diff options
| author | David Woodhouse <dwmw2@infradead.org> | 2006-05-24 09:22:21 +0100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2006-05-24 09:22:21 +0100 |
| commit | 66643de455c27973ac31ad6de9f859d399916842 (patch) | |
| tree | 7ebed7f051879007d4b11d6aaa9e65a1bcb0b08f | |
| parent | 2c23d62abb820e19c54012520f08a198c2233a85 (diff) | |
| parent | 387e2b0439026aa738a9edca15a57e5c0bcb4dfc (diff) | |
| download | linux-66643de455c27973ac31ad6de9f859d399916842.tar.bz2 | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
include/asm-powerpc/unistd.h
include/asm-sparc/unistd.h
include/asm-sparc64/unistd.h
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
432 files changed, 9399 insertions, 3746 deletions
@@ -3241,14 +3241,9 @@ S: 12725 SW Millikan Way, Suite 400 S: Beaverton, Oregon 97005 S: USA -N: Marcelo W. Tosatti -E: marcelo.tosatti@cyclades.com -D: Miscellaneous kernel hacker +N: Marcelo Tosatti +E: marcelo@kvack.org D: v2.4 kernel maintainer -D: Current pc300/cyclades maintainer -S: Cyclades Corporation -S: Av Cristovao Colombo, 462. Floresta. -S: Porto Alegre S: Brazil N: Stefan Traby diff --git a/Documentation/devices.txt b/Documentation/devices.txt index 3c406acd4dfa..b369a8c46a73 100644 --- a/Documentation/devices.txt +++ b/Documentation/devices.txt @@ -1721,11 +1721,6 @@ Your cooperation is appreciated. These devices support the same API as the generic SCSI devices. - 97 block Packet writing for CD/DVD devices - 0 = /dev/pktcdvd0 First packet-writing module - 1 = /dev/pktcdvd1 Second packet-writing module - ... - 98 char Control and Measurement Device (comedi) 0 = /dev/comedi0 First comedi device 1 = /dev/comedi1 Second comedi device diff --git a/Documentation/dvb/get_dvb_firmware b/Documentation/dvb/get_dvb_firmware index 15fc8fbef67e..4820366b6ae8 100644 --- a/Documentation/dvb/get_dvb_firmware +++ b/Documentation/dvb/get_dvb_firmware @@ -259,9 +259,9 @@ sub dibusb { } sub nxt2002 { - my $sourcefile = "Broadband4PC_4_2_11.zip"; + my $sourcefile = "Technisat_DVB-PC_4_4_COMPACT.zip"; my $url = "http://www.bbti.us/download/windows/$sourcefile"; - my $hash = "c6d2ea47a8f456d887ada0cfb718ff2a"; + my $hash = "476befae8c7c1bb9648954060b1eec1f"; my $outfile = "dvb-fe-nxt2002.fw"; my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); @@ -269,8 +269,8 @@ sub nxt2002 { wgetfile($sourcefile, $url); unzip($sourcefile, $tmpdir); - verify("$tmpdir/SkyNETU.sys", $hash); - extract("$tmpdir/SkyNETU.sys", 375832, 5908, $outfile); + verify("$tmpdir/SkyNET.sys", $hash); + extract("$tmpdir/SkyNET.sys", 331624, 5908, $outfile); $outfile; } diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 421bcfff6ad2..43ab119963d5 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -57,6 +57,15 @@ Who: Jody McIntyre <scjody@steamballoon.com> --------------------------- +What: sbp2: module parameter "force_inquiry_hack" +When: July 2006 +Why: Superceded by parameter "workarounds". Both parameters are meant to be + used ad-hoc and for single devices only, i.e. not in modprobe.conf, + therefore the impact of this feature replacement should be low. +Who: Stefan Richter <stefanr@s5r6.in-berlin.de> + +--------------------------- + What: Video4Linux API 1 ioctls and video_decoder.h from Video devices. When: July 2006 Why: V4L1 AP1 was replaced by V4L2 API. during migration from 2.4 to 2.6 diff --git a/Documentation/firmware_class/README b/Documentation/firmware_class/README index 43e836c07ae8..e9cc8bb26f7d 100644 --- a/Documentation/firmware_class/README +++ b/Documentation/firmware_class/README @@ -105,20 +105,3 @@ on the setup, so I think that the choice on what firmware to make persistent should be left to userspace. - - Why register_firmware()+__init can be useful: - - For boot devices needing firmware. - - To make the transition easier: - The firmware can be declared __init and register_firmware() - called on module_init. Then the firmware is warranted to be - there even if "firmware hotplug userspace" is not there yet or - it doesn't yet provide the needed firmware. - Once the firmware is widely available in userspace, it can be - removed from the kernel. Or made optional (CONFIG_.*_FIRMWARE). - - In either case, if firmware hotplug support is there, it can move the - firmware out of kernel memory into the real filesystem for later - usage. - - Note: If persistence is implemented on top of initramfs, - register_firmware() may not be appropriate. - diff --git a/Documentation/firmware_class/firmware_sample_driver.c b/Documentation/firmware_class/firmware_sample_driver.c index ad3edaba4533..87feccdb5c9f 100644 --- a/Documentation/firmware_class/firmware_sample_driver.c +++ b/Documentation/firmware_class/firmware_sample_driver.c @@ -5,8 +5,6 @@ * * Sample code on how to use request_firmware() from drivers. * - * Note that register_firmware() is currently useless. - * */ #include <linux/module.h> @@ -17,11 +15,6 @@ #include "linux/firmware.h" -#define WE_CAN_NEED_FIRMWARE_BEFORE_USERSPACE_IS_AVAILABLE -#ifdef WE_CAN_NEED_FIRMWARE_BEFORE_USERSPACE_IS_AVAILABLE -char __init inkernel_firmware[] = "let's say that this is firmware\n"; -#endif - static struct device ghost_device = { .bus_id = "ghost0", }; @@ -104,10 +97,6 @@ static void sample_probe_async(void) static int sample_init(void) { -#ifdef WE_CAN_NEED_FIRMWARE_BEFORE_USERSPACE_IS_AVAILABLE - register_firmware("sample_driver_fw", inkernel_firmware, - sizeof(inkernel_firmware)); -#endif device_initialize(&ghost_device); /* since there is no real hardware insertion I just call the * sample probe functions here */ diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt index 92f0056d928c..c61d8b876fdb 100644 --- a/Documentation/memory-barriers.txt +++ b/Documentation/memory-barriers.txt @@ -1031,7 +1031,7 @@ conflict on any particular lock. LOCKS VS MEMORY ACCESSES ------------------------ -Consider the following: the system has a pair of spinlocks (N) and (Q), and +Consider the following: the system has a pair of spinlocks (M) and (Q), and three CPUs; then should the following sequence of events occur: CPU 1 CPU 2 @@ -1678,7 +1678,7 @@ CPU's caches by some other cache event: smp_wmb(); <A:modify v=2> <C:busy> <C:queue v=2> - p = &b; q = p; + p = &v; q = p; <D:request p> <B:modify p=&v> <D:commit p=&v> <D:read p> diff --git a/Documentation/networking/operstates.txt b/Documentation/networking/operstates.txt new file mode 100644 index 000000000000..4a21d9bb836b --- /dev/null +++ b/Documentation/networking/operstates.txt @@ -0,0 +1,161 @@ + +1. Introduction + +Linux distinguishes between administrative and operational state of an +interface. Admininstrative state is the result of "ip link set dev +<dev> up or down" and reflects whether the administrator wants to use +the device for traffic. + +However, an interface is not usable just because the admin enabled it +- ethernet requires to be plugged into the switch and, depending on +a site's networking policy and configuration, an 802.1X authentication +to be performed before user data can be transferred. Operational state +shows the ability of an interface to transmit this user data. + +Thanks to 802.1X, userspace must be granted the possibility to +influence operational state. To accommodate this, operational state is +split into two parts: Two flags that can be set by the driver only, and +a RFC2863 compatible state that is derived from these flags, a policy, +and changeable from userspace under certain rules. + + +2. Querying from userspace + +Both admin and operational state can be queried via the netlink +operation RTM_GETLINK. It is also possible to subscribe to RTMGRP_LINK +to be notified of updates. This is important for setting from userspace. + +These values contain interface state: + +ifinfomsg::if_flags & IFF_UP: + Interface is admin up +ifinfomsg::if_flags & IFF_RUNNING: + Interface is in RFC2863 operational state UP or UNKNOWN. This is for + backward compatibility, routing daemons, dhcp clients can use this + flag to determine whether they should use the interface. +ifinfomsg::if_flags & IFF_LOWER_UP: + Driver has signaled netif_carrier_on() +ifinfomsg::if_flags & IFF_DORMANT: + Driver has signaled netif_dormant_on() + +These interface flags can also be queried without netlink using the +SIOCGIFFLAGS ioctl. + +TLV IFLA_OPERSTATE + +contains RFC2863 state of the interface in numeric representation: + +IF_OPER_UNKNOWN (0): + Interface is in unknown state, neither driver nor userspace has set + operational state. Interface must be considered for user data as + setting operational state has not been implemented in every driver. +IF_OPER_NOTPRESENT (1): + Unused in current kernel (notpresent interfaces normally disappear), + just a numerical placeholder. +IF_OPER_DOWN (2): + Interface is unable to transfer data on L1, f.e. ethernet is not + plugged or interface is ADMIN down. +IF_OPER_LOWERLAYERDOWN (3): + Interfaces stacked on an interface that is IF_OPER_DOWN show this + state (f.e. VLAN). +IF_OPER_TESTING (4): + Unused in current kernel. +IF_OPER_DORMANT (5): + Interface is L1 up, but waiting for an external event, f.e. for a + protocol to establish. (802.1X) +IF_OPER_UP (6): + Interface is operational up and can be used. + +This TLV can also be queried via sysfs. + +TLV IFLA_LINKMODE + +contains link policy. This is needed for userspace interaction +described below. + +This TLV can also be queried via sysfs. + + +3. Kernel driver API + +Kernel drivers have access to two flags that map to IFF_LOWER_UP and +IFF_DORMANT. These flags can be set from everywhere, even from +interrupts. It is guaranteed that only the driver has write access, +however, if different layers of the driver manipulate the same flag, +the driver has to provide the synchronisation needed. + +__LINK_STATE_NOCARRIER, maps to !IFF_LOWER_UP: + +The driver uses netif_carrier_on() to clear and netif_carrier_off() to +set this flag. On netif_carrier_off(), the scheduler stops sending +packets. The name 'carrier' and the inversion are historical, think of +it as lower layer. + +netif_carrier_ok() can be used to query that bit. + +__LINK_STATE_DORMANT, maps to IFF_DORMANT: + +Set by the driver to express that the device cannot yet be used +because some driver controlled protocol establishment has to +complete. Corresponding functions are netif_dormant_on() to set the +flag, netif_dormant_off() to clear it and netif_dormant() to query. + +On device allocation, networking core sets the flags equivalent to +netif_carrier_ok() and !netif_dormant(). + + +Whenever the driver CHANGES one of these flags, a workqueue event is +scheduled to translate the flag combination to IFLA_OPERSTATE as +follows: + +!netif_carrier_ok(): + IF_OPER_LOWERLAYERDOWN if the interface is stacked, IF_OPER_DOWN + otherwise. Kernel can recognise stacked interfaces because their + ifindex != iflink. + +netif_carrier_ok() && netif_dormant(): + IF_OPER_DORMANT + +netif_carrier_ok() && !netif_dormant(): + IF_OPER_UP if userspace interaction is disabled. Otherwise + IF_OPER_DORMANT with the possibility for userspace to initiate the + IF_OPER_UP transition afterwards. + + +4. Setting from userspace + +Applications have to use the netlink interface to influence the +RFC2863 operational state of an interface. Setting IFLA_LINKMODE to 1 +via RTM_SETLINK instructs the kernel that an interface should go to +IF_OPER_DORMANT instead of IF_OPER_UP when the combination +netif_carrier_ok() && !netif_dormant() is set by the +driver. Afterwards, the userspace application can set IFLA_OPERSTATE +to IF_OPER_DORMANT or IF_OPER_UP as long as the driver does not set +netif_carrier_off() or netif_dormant_on(). Changes made by userspace +are multicasted on the netlink group RTMGRP_LINK. + +So basically a 802.1X supplicant interacts with the kernel like this: + +-subscribe to RTMGRP_LINK +-set IFLA_LINKMODE to 1 via RTM_SETLINK +-query RTM_GETLINK once to get initial state +-if initial flags are not (IFF_LOWER_UP && !IFF_DORMANT), wait until + netlink multicast signals this state +-do 802.1X, eventually abort if flags go down again +-send RTM_SETLINK to set operstate to IF_OPER_UP if authentication + succeeds, IF_OPER_DORMANT otherwise +-see how operstate and IFF_RUNNING is echoed via netlink multicast +-set interface back to IF_OPER_DORMANT if 802.1X reauthentication + fails +-restart if kernel changes IFF_LOWER_UP or IFF_DORMANT flag + +if supplicant goes down, bring back IFLA_LINKMODE to 0 and +IFLA_OPERSTATE to a sane value. + +A routing daemon or dhcp client just needs to care for IFF_RUNNING or +waiting for operstate to go IF_OPER_UP/IF_OPER_UNKNOWN before +considering the interface / querying a DHCP address. + + +For technical questions and/or comments please e-mail to Stefan Rompf +(stefan at loplof.de). diff --git a/Documentation/scsi/ChangeLog.megaraid b/Documentation/scsi/ChangeLog.megaraid index 09f6300eda4b..c173806c91fa 100644 --- a/Documentation/scsi/ChangeLog.megaraid +++ b/Documentation/scsi/ChangeLog.megaraid @@ -1,3 +1,28 @@ +Release Date : Mon Apr 11 12:27:22 EST 2006 - Seokmann Ju <sju@lsil.com> +Current Version : 2.20.4.8 (scsi module), 2.20.2.6 (cmm module) +Older Version : 2.20.4.7 (scsi module), 2.20.2.6 (cmm module) + +1. Fixed a bug in megaraid_reset_handler(). + Customer reported "Unable to handle kernel NULL pointer dereference + at virtual address 00000000" when system goes to reset condition + for some reason. It happened randomly. + Root Cause: in the megaraid_reset_handler(), there is possibility not + returning pending packets in the pend_list if there are multiple + pending packets. + Fix: Made the change in the driver so that it will return all packets + in the pend_list. + +2. Added change request. + As found in the following URL, rmb() only didn't help the + problem. I had to increase the loop counter to 0xFFFFFF. (6 F's) + http://marc.theaimsgroup.com/?l=linux-scsi&m=110971060502497&w=2 + + I attached a patch for your reference, too. + Could you check and get this fix in your driver? + + Best Regards, + Jun'ichi Nomura + Release Date : Fri Nov 11 12:27:22 EST 2005 - Seokmann Ju <sju@lsil.com> Current Version : 2.20.4.7 (scsi module), 2.20.2.6 (cmm module) Older Version : 2.20.4.6 (scsi module), 2.20.2.6 (cmm module) diff --git a/Documentation/spi/pxa2xx b/Documentation/spi/pxa2xx new file mode 100644 index 000000000000..9c45f3df2e18 --- /dev/null +++ b/Documentation/spi/pxa2xx @@ -0,0 +1,234 @@ +PXA2xx SPI on SSP driver HOWTO +=================================================== +This a mini howto on the pxa2xx_spi driver. The driver turns a PXA2xx +synchronous serial port into a SPI master controller +(see Documentation/spi/spi_summary). The driver has the following features + +- Support for any PXA2xx SSP +- SSP PIO and SSP DMA data transfers. +- External and Internal (SSPFRM) chip selects. +- Per slave device (chip) configuration. +- Full suspend, freeze, resume support. + +The driver is built around a "spi_message" fifo serviced by workqueue and a +tasklet. The workqueue, "pump_messages", drives message fifo and the tasklet +(pump_transfer) is responsible for queuing SPI transactions and setting up and +launching the dma/interrupt driven transfers. + +Declaring PXA2xx Master Controllers +----------------------------------- +Typically a SPI master is defined in the arch/.../mach-*/board-*.c as a +"platform device". The master configuration is passed to the driver via a table +found in include/asm-arm/arch-pxa/pxa2xx_spi.h: + +struct pxa2xx_spi_master { + enum pxa_ssp_type ssp_type; + u32 clock_enable; + u16 num_chipselect; + u8 enable_dma; +}; + +The "pxa2xx_spi_master.ssp_type" field must have a value between 1 and 3 and +informs the driver which features a particular SSP supports. + +The "pxa2xx_spi_master.clock_enable" field is used to enable/disable the +corresponding SSP peripheral block in the "Clock Enable Register (CKEN"). See +the "PXA2xx Developer Manual" section "Clocks and Power Management". + +The "pxa2xx_spi_master.num_chipselect" field is used to determine the number of +slave device (chips) attached to this SPI master. + +The "pxa2xx_spi_master.enable_dma" field informs the driver that SSP DMA should +be used. This caused the driver to acquire two DMA channels: rx_channel and +tx_channel. The rx_channel has a higher DMA service priority the tx_channel. +See the "PXA2xx Developer Manual" section "DMA Controller". + +NSSP MASTER SAMPLE +------------------ +Below is a sample configuration using the PXA255 NSSP. + +static struct resource pxa_spi_nssp_resources[] = { + [0] = { + .start = __PREG(SSCR0_P(2)), /* Start address of NSSP */ + .end = __PREG(SSCR0_P(2)) + 0x2c, /* Range of registers */ + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_NSSP, /* NSSP IRQ */ + .end = IRQ_NSSP, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct pxa2xx_spi_master pxa_nssp_master_info = { + .ssp_type = PXA25x_NSSP, /* Type of SSP */ + .clock_enable = CKEN9_NSSP, /* NSSP Peripheral clock */ + .num_chipselect = 1, /* Matches the number of chips attached to NSSP */ + .enable_dma = 1, /* Enables NSSP DMA */ +}; + +static struct platform_device pxa_spi_nssp = { + .name = "pxa2xx-spi", /* MUST BE THIS VALUE, so device match driver */ + .id = 2, /* Bus number, MUST MATCH SSP number 1..n */ + .resource = pxa_spi_nssp_resources, + .num_resources = ARRAY_SIZE(pxa_spi_nssp_resources), + .dev = { + .platform_data = &pxa_nssp_master_info, /* Passed to driver */ + }, +}; + +static struct platform_device *devices[] __initdata = { + &pxa_spi_nssp, +}; + +static void __init board_init(void) +{ + (void)platform_add_device(devices, ARRAY_SIZE(devices)); +} + +Declaring Slave Devices +----------------------- +Typically each SPI slave (chip) is defined in the arch/.../mach-*/board-*.c +using the "spi_board_info" structure found in "linux/spi/spi.h". See +"Documentation/spi/spi_summary" for additional information. + +Each slave device attached to the PXA must provide slave specific configuration +information via the structure "pxa2xx_spi_chip" found in +"include/asm-arm/arch-pxa/pxa2xx_spi.h". The pxa2xx_spi master controller driver +will uses the configuration whenever the driver communicates with the slave +device. + +struct pxa2xx_spi_chip { + u8 tx_threshold; + u8 rx_threshold; + u8 dma_burst_size; + u32 timeout_microsecs; + u8 enable_loopback; + void (*cs_control)(u32 command); +}; + +The "pxa2xx_spi_chip.tx_threshold" and "pxa2xx_spi_chip.rx_threshold" fields are +used to configure the SSP hardware fifo. These fields are critical to the +performance of pxa2xx_spi driver and misconfiguration will result in rx +fifo overruns (especially in PIO mode transfers). Good default values are + + .tx_threshold = 12, + .rx_threshold = 4, + +The "pxa2xx_spi_chip.dma_burst_size" field is used to configure PXA2xx DMA +engine and is related the "spi_device.bits_per_word" field. Read and understand +the PXA2xx "Developer Manual" sections on the DMA controller and SSP Controllers +to determine the correct value. An SSP configured for byte-wide transfers would +use a value of 8. + +The "pxa2xx_spi_chip.timeout_microsecs" fields is used to efficiently handle +trailing bytes in the SSP receiver fifo. The correct value for this field is +dependent on the SPI bus speed ("spi_board_info.max_speed_hz") and the specific +slave device. Please note the the PXA2xx SSP 1 does not support trailing byte +timeouts and must busy-wait any trailing bytes. + +The "pxa2xx_spi_chip.enable_loopback" field is used to place the SSP porting +into internal loopback mode. In this mode the SSP controller internally +connects the SSPTX pin the the SSPRX pin. This is useful for initial setup +testing. + +The "pxa2xx_spi_chip.cs_control" field is used to point to a board specific +function for asserting/deasserting a slave device chip select. If the field is +NULL, the pxa2xx_spi master controller driver assumes that the SSP port is +configured to use SSPFRM instead. + +NSSP SALVE SAMPLE +----------------- +The pxa2xx_spi_chip structure is passed to the pxa2xx_spi driver in the +"spi_board_info.controller_data" field. Below is a sample configuration using +the PXA255 NSSP. + +/* Chip Select control for the CS8415A SPI slave device */ +static void cs8415a_cs_control(u32 command) +{ + if (command & PXA2XX_CS_ASSERT) + GPCR(2) = GPIO_bit(2); + else + GPSR(2) = GPIO_bit(2); +} + +/* Chip Select control for the CS8405A SPI slave device */ +static void cs8405a_cs_control(u32 command) +{ + if (command & PXA2XX_CS_ASSERT) + GPCR(3) = GPIO_bit(3); + else + GPSR(3) = GPIO_bit(3); +} + +static struct pxa2xx_spi_chip cs8415a_chip_info = { + .tx_threshold = 12, /* SSP hardward FIFO threshold */ + .rx_threshold = 4, /* SSP hardward FIFO threshold */ + .dma_burst_size = 8, /* Byte wide transfers used so 8 byte bursts */ + .timeout_microsecs = 64, /* Wait at least 64usec to handle trailing */ + .cs_control = cs8415a_cs_control, /* Use external chip select */ +}; + +static struct pxa2xx_spi_chip cs8405a_chip_info = { + .tx_threshold = 12, /* SSP hardward FIFO threshold */ + .rx_threshold = 4, /* SSP hardward FIFO threshold */ + .dma_burst_size = 8, /* Byte wide transfers used so 8 byte bursts */ + .timeout_microsecs = 64, /* Wait at least 64usec to handle trailing */ + .cs_control = cs8405a_cs_control, /* Use external chip select */ +}; + +static struct spi_board_info streetracer_spi_board_info[] __initdata = { + { + .modalias = "cs8415a", /* Name of spi_driver for this device */ + .max_speed_hz = 3686400, /* Run SSP as fast a possbile */ + .bus_num = 2, /* Framework bus number */ + .chip_select = 0, /* Framework chip select */ + .platform_data = NULL; /* No spi_driver specific config */ + .controller_data = &cs8415a_chip_info, /* Master chip config */ + .irq = STREETRACER_APCI_IRQ, /* Slave device interrupt */ + }, + { + .modalias = "cs8405a", /* Name of spi_driver for this device */ + .max_speed_hz = 3686400, /* Run SSP as fast a possbile */ + .bus_num = 2, /* Framework bus number */ + .chip_select = 1, /* Framework chip select */ + .controller_data = &cs8405a_chip_info, /* Master chip config */ + .irq = STREETRACER_APCI_IRQ, /* Slave device interrupt */ + }, +}; + +static void __init streetracer_init(void) +{ + spi_register_board_info(streetracer_spi_board_info, + ARRAY_SIZE(streetracer_spi_board_info)); +} + + +DMA and PIO I/O Support +----------------------- +The pxa2xx_spi driver support both DMA and interrupt driven PIO message +transfers. The driver defaults to PIO mode and DMA transfers must enabled by +setting the "enable_dma" flag in the "pxa2xx_spi_master" structure and and +ensuring that the "pxa2xx_spi_chip.dma_burst_size" field is non-zero. The DMA +mode support both coherent and stream based DMA mappings. + +The following logic is used to determine the type of I/O to be used on +a per "spi_transfer" basis: + +if !enable_dma or dma_burst_size == 0 then + always use PIO transfers + +if spi_message.is_dma_mapped and rx_dma_buf != 0 and tx_dma_buf != 0 then + use coherent DMA mode + +if rx_buf and tx_buf are aligned on 8 byte boundary then + use streaming DMA mode + +otherwise + use PIO transfer + +THANKS TO +--------- + +David Brownell and others for mentoring the development of this driver. + diff --git a/Documentation/spi/spi-summary b/Documentation/spi/spi-summary index a5ffba33a351..068732d32276 100644 --- a/Documentation/spi/spi-summary +++ b/Documentation/spi/spi-summary @@ -414,7 +414,33 @@ to get the driver-private data allocated for that device. The driver will initialize the fields of that spi_master, including the bus number (maybe the same as the platform device ID) and three methods used to interact with the SPI core and SPI protocol drivers. It will -also initialize its own internal state. +also initialize its own internal state. (See below about bus numbering +and those methods.) + +After you initialize the spi_master, then use spi_register_master() to +publish it to the rest of the system. At that time, device nodes for +the controller and any predeclared spi devices will be made available, +and the driver model core will take care of binding them to drivers. + +If you need to remove your SPI controller driver, spi_unregister_master() +will reverse the effect of spi_register_master(). + + +BUS NUMBERING + +Bus numbering is important, since that's how Linux identifies a given +SPI bus (shared SCK, MOSI, MISO). Valid bus numbers start at zero. On +SOC systems, the bus numbers should match the numbers defined by the chip +manufacturer. For example, hardware controller SPI2 would be bus number 2, +and spi_board_info for devices connected to it would use that number. + +If you don't have such hardware-assigned bus number, and for some reason +you can't just assign them, then provide a negative bus number. That will +then be replaced by a dynamically assigned number. You'd then need to treat +this as a non-static configuration (see above). + + +SPI MASTER METHODS master->setup(struct spi_device *spi) This sets up the device clock rate, SPI mode, and word sizes. @@ -431,6 +457,9 @@ also initialize its own internal state. state it dynamically associates with that device. If you do that, be sure to provide the cleanup() method to free that state. + +SPI MESSAGE QUEUE + The bulk of the driver will be managing the I/O queue fed by transfer(). That queue could be purely conceptual. For example, a driver used only @@ -440,6 +469,9 @@ But the queue will probably be very real, using message->queue, PIO, often DMA (especially if the root filesystem is in SPI flash), and execution contexts like IRQ handlers, tasklets, or workqueues (such as keventd). Your driver can be as fancy, or as simple, as you need. +Such a transfer() method would normally just add the message to a +queue, and then start some asynchronous transfer engine (unless it's +already running). THANKS TO diff --git a/Documentation/watchdog/watchdog-api.txt b/Documentation/watchdog/watchdog-api.txt index c5beb548cfc4..21ed51173662 100644 --- a/Documentation/watchdog/watchdog-api.txt +++ b/Documentation/watchdog/watchdog-api.txt @@ -36,6 +36,9 @@ timeout or margin. The simplest way to ping the watchdog is to write some data to the device. So a very simple watchdog daemon would look like this: +#include <stdlib.h> +#include <fcntl.h> + int main(int argc, const char *argv[]) { int fd=open("/dev/watchdog",O_WRONLY); if (fd==-1) { diff --git a/MAINTAINERS b/MAINTAINERS index d6a8e5b434ec..bd10b2af2223 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -40,11 +40,20 @@ trivial patch so apply some common sense. PLEASE document known bugs. If it doesn't work for everything or does something very odd once a month document it. + PLEASE remember that submissions must be made under the terms + of the OSDL certificate of contribution + (http://www.osdl.org/newsroom/press_releases/2004/2004_05_24_dco.html) + and should include a Signed-off-by: line. + 6. Make sure you have the right to send any changes you make. If you do changes at work you may find your employer owns the patch not you. -7. Happy hacking. +7. When sending security related changes or reports to a maintainer + please Cc: security@kernel.org, especially if the maintainer + does not respond. + +8. Happy hacking. ----------------------------------- @@ -969,7 +978,7 @@ S: Maintained EXT3 FILE SYSTEM P: Stephen Tweedie, Andrew Morton M: sct@redhat.com, akpm@osdl.org, adilger@clusterfs.com -L: ext3-users@redhat.com +L: ext2-devel@lists.sourceforge.net S: Maintained F71805F HARDWARE MONITORING DRIVER @@ -1480,10 +1489,11 @@ L: netdev@vger.kernel.org S: Maintained IRDA SUBSYSTEM -P: Jean Tourrilhes +P: Samuel Ortiz +M: samuel@sortiz.org L: irda-users@lists.sourceforge.net (subscribers-only) W: http://irda.sourceforge.net/ -S: Odd Fixes +S: Maintained ISAPNP P: Jaroslav Kysela @@ -1529,12 +1539,28 @@ W: http://jfs.sourceforge.net/ T: git kernel.org:/pub/scm/linux/kernel/git/shaggy/jfs-2.6.git S: Supported +JOURNALLING LAYER FOR BLOCK DEVICS (JBD) +P: Stephen Tweedie, Andrew Morton +M: sct@redhat.com, akpm@osdl.org +L: ext2-devel@lists.sourceforge.net +S: Maintained + KCONFIG P: Roman Zippel M: zippel@linux-m68k.org L: kbuild-devel@lists.sourceforge.net S: Maintained +KDUMP +P: Vivek Goyal +M: vgoyal@in.ibm.com +P: Haren Myneni +M: hbabu@us.ibm.com +L: fastboot@lists.osdl.org +L: linux-kernel@vger.kernel.org +W: http://lse.sourceforge.net/kdump/ +S: Maintained + KERNEL AUTOMOUNTER (AUTOFS) P: H. Peter Anvin M: hpa@zytor.com @@ -1602,6 +1628,11 @@ M: James.Bottomley@HansenPartnership.com L: linux-scsi@vger.kernel.org S: Maintained +LED SUBSYSTEM +P: Richard Purdie +M: rpurdie@rpsys.net +S: Maintained + LEGO USB Tower driver P: Juergen Stuber M: starblue@users.sourceforge.net @@ -1661,7 +1692,7 @@ S: Maintained LINUX FOR POWERPC EMBEDDED PPC8XX P: Marcelo Tosatti -M: marcelo.tosatti@cyclades.com +M: marcelo@kvack.org W: http://www.penguinppc.org/ L: linuxppc-embedded@ozlabs.org S: Maintained @@ -2512,6 +2543,12 @@ M: perex@suse.cz L: alsa-devel@alsa-project.org S: Maintained +SPI SUBSYSTEM +P: David Brownell +M: dbrownell@users.sourceforge.net +L: spi-devel-general@lists.sourceforge.net +S: Maintained + TPM DEVICE DRIVER P: Kylene Hall M: kjhall@us.ibm.com @@ -1,7 +1,7 @@ VERSION = 2 PATCHLEVEL = 6 SUBLEVEL = 17 -EXTRAVERSION =-rc3 +EXTRAVERSION =-rc4 NAME=Sliding Snow Leopard # *DOCUMENTATION* @@ -344,16 +344,14 @@ scripts_basic: scripts/basic/%: scripts_basic ; PHONY += outputmakefile -# outputmakefile generate a Makefile to be placed in output directory, if -# using a seperate output directory. This allows convinient use -# of make in output directory +# outputmakefile generates a Makefile in the output directory, if using a +# separate output directory. This allows convenient use of make in the +# output directory. outputmakefile: - $(Q)if test ! $(srctree) -ef $(objtree); then \ - $(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \ - $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL) \ - > $(objtree)/Makefile; \ - echo ' GEN $(objtree)/Makefile'; \ - fi +ifneq ($(KBUILD_SRC),) + $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \ + $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL) +endif # To make sure we do not include .config for any of the *config targets # catch them early, and hand them over to scripts/kconfig/Makefile @@ -796,8 +794,8 @@ prepare2: prepare3 outputmakefile prepare1: prepare2 include/linux/version.h include/asm \ include/config/MARKER ifneq ($(KBUILD_MODULES),) - $(Q)rm -rf $(MODVERDIR) $(Q)mkdir -p $(MODVERDIR) + $(Q)rm -f $(MODVERDIR)/* endif archprepare: prepare1 scripts_basic @@ -1086,8 +1084,8 @@ else # KBUILD_EXTMOD KBUILD_MODULES := 1 PHONY += crmodverdir crmodverdir: - $(Q)rm -rf $(MODVERDIR) $(Q)mkdir -p $(MODVERDIR) + $(Q)rm -f $(MODVERDIR)/* PHONY += $(objtree)/Module.symvers $(objtree)/Module.symvers: diff --git a/arch/arm/configs/collie_defconfig b/arch/arm/configs/collie_defconfig index c9aa878e610a..074c47a4fb2e 100644 --- a/arch/arm/configs/collie_defconfig +++ b/arch/arm/configs/collie_defconfig @@ -1,21 +1,21 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.14-rc3 -# Sun Oct 9 16:55:14 2005 +# Linux kernel version: 2.6.17-rc1 +# Fri Apr 14 19:09:52 2006 # CONFIG_ARM=y CONFIG_MMU=y -CONFIG_UID16=y CONFIG_RWSEM_GENERIC_SPINLOCK=y +CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_ARCH_MTD_XIP=y +CONFIG_VECTORS_BASE=0xffff0000 # # Code maturity level options # CONFIG_EXPERIMENTAL=y -CONFIG_CLEAN_COMPILE=y CONFIG_BROKEN_ON_SMP=y -CONFIG_LOCK_KERNEL=y CONFIG_INIT_ENV_ARG_LIMIT=32 # @@ -23,45 +23,58 @@ CONFIG_INIT_ENV_ARG_LIMIT=32 # CONFIG_LOCALVERSION="" CONFIG_LOCALVERSION_AUTO=y -CONFIG_SWAP=y +# CONFIG_SWAP is not set CONFIG_SYSVIPC=y # CONFIG_POSIX_MQUEUE is not set -CONFIG_BSD_PROCESS_ACCT=y -# CONFIG_BSD_PROCESS_ACCT_V3 is not set +# CONFIG_BSD_PROCESS_ACCT is not set CONFIG_SYSCTL=y # CONFIG_AUDIT is not set -CONFIG_HOTPLUG=y -CONFIG_KOBJECT_UEVENT=y # CONFIG_IKCONFIG is not set +# CONFIG_RELAY is not set CONFIG_INITRAMFS_SOURCE="" +CONFIG_UID16=y +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_EMBEDDED=y CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set # CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y -CONFIG_BASE_FULL=y +CONFIG_ELF_CORE=y +# CONFIG_BASE_FULL is not set CONFIG_FUTEX=y -CONFIG_EPOLL=y -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +# CONFIG_EPOLL is not set CONFIG_SHMEM=y -CONFIG_CC_ALIGN_FUNCTIONS=0 -CONFIG_CC_ALIGN_LABELS=0 -CONFIG_CC_ALIGN_LOOPS=0 -CONFIG_CC_ALIGN_JUMPS=0 +# CONFIG_SLAB is not set +CONFIG_DOUBLEFAULT=y # CONFIG_TINY_SHMEM is not set -CONFIG_BASE_SMALL=0 +CONFIG_BASE_SMALL=1 +CONFIG_SLOB=y +CONFIG_OBSOLETE_INTERMODULE=y # # Loadable module support # -CONFIG_MODULES=y -CONFIG_MODULE_UNLOAD=y -CONFIG_MODULE_FORCE_UNLOAD=y -CONFIG_OBSOLETE_MODPARM=y -CONFIG_MODVERSIONS=y -# CONFIG_MODULE_SRCVERSION_ALL is not set -CONFIG_KMOD=y +# CONFIG_MODULES is not set + +# +# Block layer +# +# CONFIG_BLK_DEV_IO_TRACE is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_AS=y +# CONFIG_IOSCHED_DEADLINE is not set +# CONFIG_IOSCHED_CFQ is not set +CONFIG_DEFAULT_AS=y +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="anticipatory" # # System Type @@ -70,11 +83,13 @@ CONFIG_KMOD=y # CONFIG_ARCH_CLPS711X is not set # CONFIG_ARCH_CO285 is not set # CONFIG_ARCH_EBSA110 is not set +# CONFIG_ARCH_EP93XX is not set # CONFIG_ARCH_FOOTBRIDGE is not set # CONFIG_ARCH_INTEGRATOR is not set # CONFIG_ARCH_IOP3XX is not set # CONFIG_ARCH_IXP4XX is not set # CONFIG_ARCH_IXP2000 is not set +# CONFIG_ARCH_IXP23XX is not set # CONFIG_ARCH_L7200 is not set # CONFIG_ARCH_PXA is not set # CONFIG_ARCH_RPC is not set @@ -84,9 +99,11 @@ CONFIG_ARCH_SA1100=y # CONFIG_ARCH_LH7A40X is not set # CONFIG_ARCH_OMAP is not set # CONFIG_ARCH_VERSATILE is not set +# CONFIG_ARCH_REALVIEW is not set # CONFIG_ARCH_IMX is not set # CONFIG_ARCH_H720X is not set # CONFIG_ARCH_AAEC2000 is not set +# CONFIG_ARCH_AT91RM9200 is not set # # SA11x0 Implementations @@ -128,20 +145,32 @@ CONFIG_SHARP_SCOOP=y # Bus support # CONFIG_ISA=y -CONFIG_ISA_DMA_API=y # # PCCARD (PCMCIA/CardBus) support # -# CONFIG_PCCARD is not set +CONFIG_PCCARD=y +CONFIG_PCMCIA_DEBUG=y +CONFIG_PCMCIA=y +CONFIG_PCMCIA_LOAD_CIS=y +CONFIG_PCMCIA_IOCTL=y + +# +# PC-card bridges +# +# CONFIG_I82365 is not set +# CONFIG_TCIC is not set +CONFIG_PCMCIA_SA1100=y # # Kernel Features # -# CONFIG_SMP is not set -CONFIG_PREEMPT=y +# CONFIG_PREEMPT is not set # CONFIG_NO_IDLE_HZ is not set +CONFIG_HZ=100 +# CONFIG_AEABI is not set CONFIG_ARCH_DISCONTIGMEM_ENABLE=y +CONFIG_NODES_SHIFT=2 CONFIG_SELECT_MEMORY_MODEL=y # CONFIG_FLATMEM_MANUAL is not set CONFIG_DISCONTIGMEM_MANUAL=y @@ -150,6 +179,7 @@ CONFIG_DISCONTIGMEM=y CONFIG_FLAT_NODE_MEM_MAP=y CONFIG_NEED_MULTIPLE_NODES=y # CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPLIT_PTLOCK_CPUS=4096 # CONFIG_LEDS is not set CONFIG_ALIGNMENT_TRAP=y @@ -158,7 +188,7 @@ CONFIG_ALIGNMENT_TRAP=y # CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 -CONFIG_CMDLINE="console=ttyS0,115200n8 console=tty1 noinitrd root=/dev/mtdblock2 rootfstype=jffs2 debug" +CONFIG_CMDLINE="noinitrd root=/dev/mtdblock2 rootfstype=jffs2 fbcon=rotate:1" # CONFIG_XIP_KERNEL is not set # @@ -181,14 +211,16 @@ CONFIG_FPE_NWFPE=y # Userspace binary formats # CONFIG_BINFMT_ELF=y -CONFIG_BINFMT_AOUT=m -CONFIG_BINFMT_MISC=m +# CONFIG_BINFMT_AOUT is not set +# CONFIG_BINFMT_MISC is not set # CONFIG_ARTHUR is not set # # Power management options # CONFIG_PM=y +CONFIG_PM_LEGACY=y +# CONFIG_PM_DEBUG is not set CONFIG_APM=y # @@ -199,6 +231,7 @@ CONFIG_NET=y # # Networking options # +# CONFIG_NETDEBUG is not set CONFIG_PACKET=y CONFIG_PACKET_MMAP=y CONFIG_UNIX=y @@ -211,16 +244,19 @@ CONFIG_IP_FIB_HASH=y # CONFIG_NET_IPIP is not set # CONFIG_NET_IPGRE is not set # CONFIG_ARPD is not set -CONFIG_SYN_COOKIES=y +# CONFIG_SYN_COOKIES is not set # CONFIG_INET_AH is not set # CONFIG_INET_ESP is not set # CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set # CONFIG_INET_TUNNEL is not set CONFIG_INET_DIAG=y CONFIG_INET_TCP_DIAG=y # CONFIG_TCP_CONG_ADVANCED is not set CONFIG_TCP_CONG_BIC=y # CONFIG_IPV6 is not set +# CONFIG_INET6_XFRM_TUNNEL is not set +# CONFIG_INET6_TUNNEL is not set # CONFIG_NETFILTER is not set # @@ -232,6 +268,11 @@ CONFIG_TCP_CONG_BIC=y # SCTP Configuration (EXPERIMENTAL) # # CONFIG_IP_SCTP is not set + +# +# TIPC Configuration (EXPERIMENTAL) +# +# CONFIG_TIPC is not set # CONFIG_ATM is not set # CONFIG_BRIDGE is not set # CONFIG_VLAN_8021Q is not set @@ -244,8 +285,11 @@ CONFIG_TCP_CONG_BIC=y # CONFIG_NET_DIVERT is not set # CONFIG_ECONET is not set # CONFIG_WAN_ROUTER is not set + +# +# QoS and/or fair queueing +# # CONFIG_NET_SCHED is not set -# CONFIG_NET_CLS_ROUTE is not set # # Network testing @@ -265,10 +309,15 @@ CONFIG_TCP_CONG_BIC=y # CONFIG_STANDALONE=y CONFIG_PREVENT_FIRMWARE_BUILD=y -CONFIG_FW_LOADER=m +CONFIG_FW_LOADER=y # CONFIG_DEBUG_DRIVER is not set # +# Connector - unified userspace <-> kernelspace linker +# +# CONFIG_CONNECTOR is not set + +# # Memory Technology Devices (MTD) # CONFIG_MTD=y @@ -287,32 +336,49 @@ CONFIG_MTD_BLOCK=y # CONFIG_FTL is not set # CONFIG_NFTL is not set # CONFIG_INFTL is not set +# CONFIG_RFD_FTL is not set # # RAM/ROM/Flash chip drivers # -# CONFIG_MTD_CFI is not set -# CONFIG_MTD_JEDECPROBE is not set -CONFIG_MTD_MAP_BANK_WIDTH_1=y -CONFIG_MTD_MAP_BANK_WIDTH_2=y +CONFIG_MTD_CFI=y +CONFIG_MTD_JEDECPROBE=y +CONFIG_MTD_GEN_PROBE=y +CONFIG_MTD_CFI_ADV_OPTIONS=y +CONFIG_MTD_CFI_NOSWAP=y +# CONFIG_MTD_CFI_BE_BYTE_SWAP is not set +# CONFIG_MTD_CFI_LE_BYTE_SWAP is not set +CONFIG_MTD_CFI_GEOMETRY=y +# CONFIG_MTD_MAP_BANK_WIDTH_1 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_2 is not set CONFIG_MTD_MAP_BANK_WIDTH_4=y # CONFIG_MTD_MAP_BANK_WIDTH_8 is not set # CONFIG_MTD_MAP_BANK_WIDTH_16 is not set # CONFIG_MTD_MAP_BANK_WIDTH_32 is not set -CONFIG_MTD_CFI_I1=y -CONFIG_MTD_CFI_I2=y -# CONFIG_MTD_CFI_I4 is not set +# CONFIG_MTD_CFI_I1 is not set +# CONFIG_MTD_CFI_I2 is not set +CONFIG_MTD_CFI_I4=y # CONFIG_MTD_CFI_I8 is not set +# CONFIG_MTD_OTP is not set +CONFIG_MTD_CFI_INTELEXT=y +# CONFIG_MTD_CFI_AMDSTD is not set +# CONFIG_MTD_CFI_STAA is not set +CONFIG_MTD_CFI_UTIL=y # CONFIG_MTD_RAM is not set # CONFIG_MTD_ROM is not set # CONFIG_MTD_ABSENT is not set CONFIG_MTD_OBSOLETE_CHIPS=y CONFIG_MTD_SHARP=y +# CONFIG_MTD_XIP is not set # # Mapping drivers for chip access # # CONFIG_MTD_COMPLEX_MAPPINGS is not set +# CONFIG_MTD_PHYSMAP is not set +# CONFIG_MTD_ARM_INTEGRATOR is not set +CONFIG_MTD_SA1100=y +# CONFIG_MTD_IMPA7 is not set # CONFIG_MTD_PLATRAM is not set # @@ -321,7 +387,6 @@ CONFIG_MTD_SHARP=y # CONFIG_MTD_SLRAM is not set # CONFIG_MTD_PHRAM is not set # CONFIG_MTD_MTDRAM is not set -# CONFIG_MTD_BLKMTD is not set # CONFIG_MTD_BLOCK2MTD is not set # @@ -337,6 +402,11 @@ CONFIG_MTD_SHARP=y # CONFIG_MTD_NAND is not set # +# OneNAND Flash Device Drivers +# +# CONFIG_MTD_ONENAND is not set + +# # Parallel port support # # CONFIG_PARPORT is not set @@ -349,7 +419,6 @@ CONFIG_MTD_SHARP=y # # Block devices # -# CONFIG_BLK_DEV_XD is not set # CONFIG_BLK_DEV_COW_COMMON is not set CONFIG_BLK_DEV_LOOP=y # CONFIG_BLK_DEV_CRYPTOLOOP is not set @@ -359,20 +428,35 @@ CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=1024 CONFIG_BLK_DEV_INITRD=y # CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set # -# IO Schedulers +# ATA/ATAPI/MFM/RLL support # -CONFIG_IOSCHED_NOOP=y -CONFIG_IOSCHED_AS=y -CONFIG_IOSCHED_DEADLINE=y -CONFIG_IOSCHED_CFQ=y -CONFIG_ATA_OVER_ETH=m +CONFIG_IDE=y +CONFIG_BLK_DEV_IDE=y # -# ATA/ATAPI/MFM/RLL support +# Please see Documentation/ide.txt for help/info on IDE drives +# +# CONFIG_BLK_DEV_IDE_SATA is not set +CONFIG_BLK_DEV_IDEDISK=y +CONFIG_IDEDISK_MULTI_MODE=y +CONFIG_BLK_DEV_IDECS=y +# CONFIG_BLK_DEV_IDECD is not set +# CONFIG_BLK_DEV_IDETAPE is not set +# CONFIG_BLK_DEV_IDEFLOPPY is not set +# CONFIG_IDE_TASK_IOCTL is not set + +# +# IDE chipset support/bugfixes # -# CONFIG_IDE is not set +CONFIG_IDE_GENERIC=y +# CONFIG_IDE_ARM is not set +# CONFIG_IDE_CHIPSETS is not set +# CONFIG_BLK_DEV_IDEDMA is not set +# CONFIG_IDEDMA_AUTO is not set +# CONFIG_BLK_DEV_HD is not set # # SCSI device support @@ -402,6 +486,39 @@ CONFIG_ATA_OVER_ETH=m # Network device support # # CONFIG_NETDEVICES is not set +# CONFIG_DUMMY is not set +# CONFIG_BONDING is not set +# CONFIG_EQUALIZER is not set +# CONFIG_TUN is not set + +# +# PHY device support +# + +# +# Ethernet (10 or 100Mbit) +# +# CONFIG_NET_ETHERNET is not set + +# +# Ethernet (1000 Mbit) +# + +# +# Ethernet (10000 Mbit) +# +CONFIG_PPP=y +# CONFIG_PPP_MULTILINK is not set +# CONFIG_PPP_FILTER is not set +CONFIG_PPP_ASYNC=y +# CONFIG_PPP_SYNC_TTY is not set +# CONFIG_PPP_DEFLATE is not set +# CONFIG_PPP_BSDCOMP is not set +# CONFIG_PPP_MPPE is not set +# CONFIG_PPPOE is not set +# CONFIG_SLIP is not set +# CONFIG_SHAPER is not set +# CONFIG_NETCONSOLE is not set # CONFIG_NETPOLL is not set # CONFIG_NET_POLL_CONTROLLER is not set @@ -424,7 +541,7 @@ CONFIG_INPUT_TSDEV=y CONFIG_INPUT_TSDEV_SCREEN_X=240 CONFIG_INPUT_TSDEV_SCREEN_Y=320 CONFIG_INPUT_EVDEV=y -CONFIG_INPUT_EVBUG=y +# CONFIG_INPUT_EVBUG is not set # # Input Device Drivers @@ -438,7 +555,11 @@ CONFIG_KEYBOARD_LOCOMO=y # CONFIG_KEYBOARD_NEWTON is not set # CONFIG_INPUT_MOUSE is not set # CONFIG_INPUT_JOYSTICK is not set -# CONFIG_INPUT_TOUCHSCREEN is not set +CONFIG_INPUT_TOUCHSCREEN=y +# CONFIG_TOUCHSCREEN_GUNZE is not set +# CONFIG_TOUCHSCREEN_ELO is not set +# CONFIG_TOUCHSCREEN_MTOUCH is not set +# CONFIG_TOUCHSCREEN_MK712 is not set # CONFIG_INPUT_MISC is not set # @@ -461,7 +582,16 @@ CONFIG_HW_CONSOLE=y # # Serial drivers # -# CONFIG_SERIAL_8250 is not set +CONFIG_SERIAL_8250=y +# CONFIG_SERIAL_8250_CONSOLE is not set +CONFIG_SERIAL_8250_CS=y +CONFIG_SERIAL_8250_NR_UARTS=4 +CONFIG_SERIAL_8250_RUNTIME_UARTS=4 +CONFIG_SERIAL_8250_EXTENDED=y +# CONFIG_SERIAL_8250_MANY_PORTS is not set +# CONFIG_SERIAL_8250_SHARE_IRQ is not set +# CONFIG_SERIAL_8250_DETECT_IRQ is not set +# CONFIG_SERIAL_8250_RSA is not set # # Non-8250 serial port support @@ -483,94 +613,48 @@ CONFIG_UNIX98_PTYS=y # # CONFIG_WATCHDOG is not set # CONFIG_NVRAM is not set -# CONFIG_RTC is not set # CONFIG_DTLK is not set # CONFIG_R3964 is not set # # Ftape, the floppy tape device driver # -# CONFIG_RAW_DRIVER is not set # -# TPM devices +# PCMCIA character devices # +# CONFIG_SYNCLINK_CS is not set +# CONFIG_CARDMAN_4000 is not set +# CONFIG_CARDMAN_4040 is not set +# CONFIG_RAW_DRIVER is not set # -# I2C support +# TPM devices # -CONFIG_I2C=m -# CONFIG_I2C_CHARDEV is not set +# CONFIG_TCG_TPM is not set +# CONFIG_TELCLOCK is not set # -# I2C Algorithms +# I2C support # -CONFIG_I2C_ALGOBIT=m -# CONFIG_I2C_ALGOPCF is not set -# CONFIG_I2C_ALGOPCA is not set +# CONFIG_I2C is not set # -# I2C Hardware Bus support +# SPI support # -# CONFIG_I2C_ELEKTOR is not set -# CONFIG_I2C_PARPORT_LIGHT is not set -# CONFIG_I2C_STUB is not set -# CONFIG_I2C_PCA_ISA is not set +# CONFIG_SPI is not set +# CONFIG_SPI_MASTER is not set # -# Miscellaneous I2C Chip support +# Dallas's 1-wire bus # -# CONFIG_SENSORS_DS1337 is not set -# CONFIG_SENSORS_DS1374 is not set -# CONFIG_SENSORS_EEPROM is not set -# CONFIG_SENSORS_PCF8574 is not set -# CONFIG_SENSORS_PCA9539 is not set -# CONFIG_SENSORS_PCF8591 is not set -# CONFIG_SENSORS_RTC8564 is not set -# CONFIG_SENSORS_MAX6875 is not set -# CONFIG_I2C_DEBUG_CORE is not set -# CONFIG_I2C_DEBUG_ALGO is not set -# CONFIG_I2C_DEBUG_BUS is not set -# CONFIG_I2C_DEBUG_CHIP is not set +# CONFIG_W1 is not set # # Hardware Monitoring support # -CONFIG_HWMON=y +# CONFIG_HWMON is not set # CONFIG_HWMON_VID is not set -# CONFIG_SENSORS_ADM1021 is not set -# CONFIG_SENSORS_ADM1025 is not set -# CONFIG_SENSORS_ADM1026 is not set -# CONFIG_SENSORS_ADM1031 is not set -# CONFIG_SENSORS_ADM9240 is not set -# CONFIG_SENSORS_ASB100 is not set -# CONFIG_SENSORS_ATXP1 is not set -# CONFIG_SENSORS_DS1621 is not set -# CONFIG_SENSORS_FSCHER is not set -# CONFIG_SENSORS_FSCPOS is not set -# CONFIG_SENSORS_GL518SM is not set -# CONFIG_SENSORS_GL520SM is not set -# CONFIG_SENSORS_IT87 is not set -# CONFIG_SENSORS_LM63 is not set -# CONFIG_SENSORS_LM75 is not set -# CONFIG_SENSORS_LM77 is not set -# CONFIG_SENSORS_LM78 is not set -# CONFIG_SENSORS_LM80 is not set -# CONFIG_SENSORS_LM83 is not set -# CONFIG_SENSORS_LM85 is not set -# CONFIG_SENSORS_LM87 is not set -# CONFIG_SENSORS_LM90 is not set -# CONFIG_SENSORS_LM92 is not set -# CONFIG_SENSORS_MAX1619 is not set -# CONFIG_SENSORS_PC87360 is not set -# CONFIG_SENSORS_SMSC47M1 is not set -# CONFIG_SENSORS_SMSC47B397 is not set -# CONFIG_SENSORS_W83781D is not set -# CONFIG_SENSORS_W83792D is not set -# CONFIG_SENSORS_W83L785TS is not set -# CONFIG_SENSORS_W83627HF is not set -# CONFIG_SENSORS_W83627EHF is not set -# CONFIG_HWMON_DEBUG_CHIP is not set # # Misc devices @@ -579,42 +663,33 @@ CONFIG_HWMON=y # # Multimedia Capabilities Port drivers # -# CONFIG_MCP_SA11X0 is not set +CONFIG_MCP=y +CONFIG_MCP_SA11X0=y +CONFIG_MCP_UCB1200=y +CONFIG_MCP_UCB1200_TS=y # -# Multimedia devices +# LED devices # -CONFIG_VIDEO_DEV=m +CONFIG_NEW_LEDS=y +CONFIG_LEDS_CLASS=y # -# Video For Linux +# LED drivers # +CONFIG_LEDS_LOCOMO=y # -# Video Adapters +# LED Triggers # -# CONFIG_VIDEO_PMS is not set -# CONFIG_VIDEO_CPIA is not set -# CONFIG_VIDEO_SAA5246A is not set -# CONFIG_VIDEO_SAA5249 is not set -# CONFIG_TUNER_3036 is not set -# CONFIG_VIDEO_OVCAMCHIP is not set +CONFIG_LEDS_TRIGGERS=y +CONFIG_LEDS_TRIGGER_TIMER=y +CONFIG_LEDS_TRIGGER_IDE_DISK=y # -# Radio Adapters +# Multimedia devices # -# CONFIG_RADIO_CADET is not set -# CONFIG_RADIO_RTRACK is not set -# CONFIG_RADIO_RTRACK2 is not set -# CONFIG_RADIO_AZTECH is not set -# CONFIG_RADIO_GEMTEK is not set -# CONFIG_RADIO_MAESTRO is not set -# CONFIG_RADIO_SF16FMI is not set -# CONFIG_RADIO_SF16FMR2 is not set -# CONFIG_RADIO_TERRATEC is not set -# CONFIG_RADIO_TRUST is not set -# CONFIG_RADIO_TYPHOON is not set -# CONFIG_RADIO_ZOLTRIX is not set +# CONFIG_VIDEO_DEV is not set # # Digital Video Broadcasting Devices @@ -628,8 +703,8 @@ CONFIG_FB=y CONFIG_FB_CFB_FILLRECT=y CONFIG_FB_CFB_COPYAREA=y CONFIG_FB_CFB_IMAGEBLIT=y -CONFIG_FB_SOFT_CURSOR=y # CONFIG_FB_MACMODES is not set +# CONFIG_FB_FIRMWARE_EDID is not set CONFIG_FB_MODE_HELPERS=y # CONFIG_FB_TILEBLITTING is not set CONFIG_FB_SA1100=y @@ -643,14 +718,15 @@ CONFIG_FB_SA1100=y # CONFIG_MDA_CONSOLE is not set CONFIG_DUMMY_CONSOLE=y CONFIG_FRAMEBUFFER_CONSOLE=y +CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y CONFIG_FONTS=y -CONFIG_FONT_8x8=y +# CONFIG_FONT_8x8 is not set # CONFIG_FONT_8x16 is not set # CONFIG_FONT_6x11 is not set # CONFIG_FONT_7x14 is not set # CONFIG_FONT_PEARL_8x8 is not set # CONFIG_FONT_ACORN_8x8 is not set -# CONFIG_FONT_MINI_4x6 is not set +CONFIG_FONT_MINI_4x6=y # CONFIG_FONT_SUN8x16 is not set # CONFIG_FONT_SUN12x22 is not set # CONFIG_FONT_10x18 is not set @@ -659,7 +735,11 @@ CONFIG_FONT_8x8=y # Logo configuration # # CONFIG_LOGO is not set -# CONFIG_BACKLIGHT_LCD_SUPPORT is not set +CONFIG_BACKLIGHT_LCD_SUPPORT=y +CONFIG_BACKLIGHT_CLASS_DEVICE=y +CONFIG_BACKLIGHT_DEVICE=y +CONFIG_LCD_CLASS_DEVICE=y +CONFIG_LCD_DEVICE=y # # Sound @@ -671,20 +751,17 @@ CONFIG_FONT_8x8=y # CONFIG_USB_ARCH_HAS_HCD=y # CONFIG_USB_ARCH_HAS_OHCI is not set +# CONFIG_USB_ARCH_HAS_EHCI is not set # CONFIG_USB is not set # +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# + +# # USB Gadget Support # -CONFIG_USB_GADGET=y -# CONFIG_USB_GADGET_DEBUG_FILES is not set -# CONFIG_USB_GADGET_NET2280 is not set -# CONFIG_USB_GADGET_PXA2XX is not set -# CONFIG_USB_GADGET_GOKU is not set -# CONFIG_USB_GADGET_LH7A40X is not set -# CONFIG_USB_GADGET_OMAP is not set -# CONFIG_USB_GADGET_DUMMY_HCD is not set -# CONFIG_USB_GADGET_DUALSPEED is not set +# CONFIG_USB_GADGET is not set # # MMC/SD Card support @@ -692,23 +769,24 @@ CONFIG_USB_GADGET=y # CONFIG_MMC is not set # +# Real Time Clock +# +CONFIG_RTC_LIB=y +# CONFIG_RTC_CLASS is not set + +# # File systems # -CONFIG_EXT2_FS=y -CONFIG_EXT2_FS_XATTR=y -CONFIG_EXT2_FS_POSIX_ACL=y -CONFIG_EXT2_FS_SECURITY=y -# CONFIG_EXT2_FS_XIP is not set +# CONFIG_EXT2_FS is not set # CONFIG_EXT3_FS is not set -# CONFIG_JBD is not set -CONFIG_FS_MBCACHE=y # CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set -CONFIG_FS_POSIX_ACL=y +# CONFIG_FS_POSIX_ACL is not set # CONFIG_XFS_FS is not set +# CONFIG_OCFS2_FS is not set # CONFIG_MINIX_FS is not set CONFIG_ROMFS_FS=y -CONFIG_INOTIFY=y +# CONFIG_INOTIFY is not set # CONFIG_QUOTA is not set # CONFIG_DNOTIFY is not set # CONFIG_AUTOFS_FS is not set @@ -725,7 +803,7 @@ CONFIG_INOTIFY=y # DOS/FAT/NT Filesystems # CONFIG_FAT_FS=y -CONFIG_MSDOS_FS=y +# CONFIG_MSDOS_FS is not set CONFIG_VFAT_FS=y CONFIG_FAT_DEFAULT_CODEPAGE=437 CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" @@ -739,7 +817,7 @@ CONFIG_SYSFS=y CONFIG_TMPFS=y # CONFIG_HUGETLB_PAGE is not set CONFIG_RAMFS=y -# CONFIG_RELAYFS_FS is not set +# CONFIG_CONFIGFS_FS is not set # # Miscellaneous filesystems @@ -755,11 +833,12 @@ CONFIG_RAMFS=y CONFIG_JFFS2_FS=y CONFIG_JFFS2_FS_DEBUG=0 CONFIG_JFFS2_FS_WRITEBUFFER=y +# CONFIG_JFFS2_SUMMARY is not set # CONFIG_JFFS2_COMPRESSION_OPTIONS is not set CONFIG_JFFS2_ZLIB=y CONFIG_JFFS2_RTIME=y # CONFIG_JFFS2_RUBIN is not set -CONFIG_CRAMFS=y +# CONFIG_CRAMFS is not set # CONFIG_VXFS_FS is not set # CONFIG_HPFS_FS is not set # CONFIG_QNX4FS_FS is not set @@ -789,7 +868,7 @@ CONFIG_MSDOS_PARTITION=y # CONFIG_NLS=y CONFIG_NLS_DEFAULT="cp437" -CONFIG_NLS_CODEPAGE_437=m +CONFIG_NLS_CODEPAGE_437=y # CONFIG_NLS_CODEPAGE_737 is not set # CONFIG_NLS_CODEPAGE_775 is not set # CONFIG_NLS_CODEPAGE_850 is not set @@ -813,7 +892,7 @@ CONFIG_NLS_CODEPAGE_437=m # CONFIG_NLS_CODEPAGE_1250 is not set # CONFIG_NLS_CODEPAGE_1251 is not set # CONFIG_NLS_ASCII is not set -CONFIG_NLS_ISO8859_1=m +CONFIG_NLS_ISO8859_1=y # CONFIG_NLS_ISO8859_2 is not set # CONFIG_NLS_ISO8859_3 is not set # CONFIG_NLS_ISO8859_4 is not set @@ -826,7 +905,7 @@ CONFIG_NLS_ISO8859_1=m # CONFIG_NLS_ISO8859_15 is not set # CONFIG_NLS_KOI8_R is not set # CONFIG_NLS_KOI8_U is not set -CONFIG_NLS_UTF8=m +# CONFIG_NLS_UTF8 is not set # # Profiling support @@ -837,20 +916,23 @@ CONFIG_NLS_UTF8=m # Kernel hacking # # CONFIG_PRINTK_TIME is not set -CONFIG_DEBUG_KERNEL=y CONFIG_MAGIC_SYSRQ=y +CONFIG_DEBUG_KERNEL=y CONFIG_LOG_BUF_SHIFT=14 -CONFIG_DETECT_SOFTLOCKUP=y +# CONFIG_DETECT_SOFTLOCKUP is not set # CONFIG_SCHEDSTATS is not set -# CONFIG_DEBUG_SLAB is not set -CONFIG_DEBUG_PREEMPT=y +CONFIG_DEBUG_MUTEXES=y # CONFIG_DEBUG_SPINLOCK is not set # CONFIG_DEBUG_SPINLOCK_SLEEP is not set # CONFIG_DEBUG_KOBJECT is not set # CONFIG_DEBUG_BUGVERBOSE is not set # CONFIG_DEBUG_INFO is not set # CONFIG_DEBUG_FS is not set +# CONFIG_DEBUG_VM is not set CONFIG_FRAME_POINTER=y +# CONFIG_UNWIND_INFO is not set +CONFIG_FORCED_INLINING=y +# CONFIG_RCU_TORTURE_TEST is not set # CONFIG_DEBUG_USER is not set # CONFIG_DEBUG_WAITQ is not set CONFIG_DEBUG_ERRORS=y @@ -874,7 +956,7 @@ CONFIG_DEBUG_ERRORS=y # # Library routines # -# CONFIG_CRC_CCITT is not set +CONFIG_CRC_CCITT=y # CONFIG_CRC16 is not set CONFIG_CRC32=y # CONFIG_LIBCRC32C is not set diff --git a/arch/arm/configs/versatile_defconfig b/arch/arm/configs/versatile_defconfig index 2687a225aa6a..96b7a7762426 100644 --- a/arch/arm/configs/versatile_defconfig +++ b/arch/arm/configs/versatile_defconfig @@ -1,50 +1,55 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.12-rc1-bk2 -# Mon Mar 28 00:20:50 2005 +# Linux kernel version: 2.6.17-rc3 +# Mon May 8 20:15:57 2006 # CONFIG_ARM=y CONFIG_MMU=y -CONFIG_UID16=y CONFIG_RWSEM_GENERIC_SPINLOCK=y +CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y -CONFIG_GENERIC_IOMAP=y +CONFIG_VECTORS_BASE=0xffff0000 # # Code maturity level options # CONFIG_EXPERIMENTAL=y -CONFIG_CLEAN_COMPILE=y CONFIG_BROKEN_ON_SMP=y +CONFIG_INIT_ENV_ARG_LIMIT=32 # # General setup # CONFIG_LOCALVERSION="" +# CONFIG_LOCALVERSION_AUTO is not set CONFIG_SWAP=y CONFIG_SYSVIPC=y # CONFIG_POSIX_MQUEUE is not set # CONFIG_BSD_PROCESS_ACCT is not set CONFIG_SYSCTL=y # CONFIG_AUDIT is not set -CONFIG_HOTPLUG=y -CONFIG_KOBJECT_UEVENT=y # CONFIG_IKCONFIG is not set +# CONFIG_RELAY is not set +CONFIG_INITRAMFS_SOURCE="" +CONFIG_UID16=y +CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_EMBEDDED is not set CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set # CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y -CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_SHMEM=y -CONFIG_CC_ALIGN_FUNCTIONS=0 -CONFIG_CC_ALIGN_LABELS=0 -CONFIG_CC_ALIGN_LOOPS=0 -CONFIG_CC_ALIGN_JUMPS=0 +CONFIG_SLAB=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 +# CONFIG_SLOB is not set +CONFIG_OBSOLETE_INTERMODULE=y # # Loadable module support @@ -52,23 +57,42 @@ CONFIG_BASE_SMALL=0 CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y # CONFIG_MODULE_FORCE_UNLOAD is not set -CONFIG_OBSOLETE_MODPARM=y # CONFIG_MODVERSIONS is not set # CONFIG_MODULE_SRCVERSION_ALL is not set CONFIG_KMOD=y # +# Block layer +# +# CONFIG_BLK_DEV_IO_TRACE is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_AS=y +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +CONFIG_DEFAULT_AS=y +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="anticipatory" + +# # System Type # # CONFIG_ARCH_CLPS7500 is not set # CONFIG_ARCH_CLPS711X is not set # CONFIG_ARCH_CO285 is not set # CONFIG_ARCH_EBSA110 is not set +# CONFIG_ARCH_EP93XX is not set # CONFIG_ARCH_FOOTBRIDGE is not set # CONFIG_ARCH_INTEGRATOR is not set # CONFIG_ARCH_IOP3XX is not set # CONFIG_ARCH_IXP4XX is not set # CONFIG_ARCH_IXP2000 is not set +# CONFIG_ARCH_IXP23XX is not set # CONFIG_ARCH_L7200 is not set # CONFIG_ARCH_PXA is not set # CONFIG_ARCH_RPC is not set @@ -78,14 +102,17 @@ CONFIG_KMOD=y # CONFIG_ARCH_LH7A40X is not set # CONFIG_ARCH_OMAP is not set CONFIG_ARCH_VERSATILE=y +# CONFIG_ARCH_REALVIEW is not set # CONFIG_ARCH_IMX is not set # CONFIG_ARCH_H720X is not set +# CONFIG_ARCH_AAEC2000 is not set +# CONFIG_ARCH_AT91RM9200 is not set # # Versatile platform type # CONFIG_ARCH_VERSATILE_PB=y -# CONFIG_MACH_VERSATILE_AB is not set +CONFIG_MACH_VERSATILE_AB=y # # Processor Type @@ -106,12 +133,14 @@ CONFIG_ARM_THUMB=y # CONFIG_CPU_DCACHE_DISABLE is not set # CONFIG_CPU_DCACHE_WRITETHROUGH is not set # CONFIG_CPU_CACHE_ROUND_ROBIN is not set +CONFIG_ARM_VIC=y CONFIG_ICST307=y # # Bus support # CONFIG_ARM_AMBA=y +# CONFIG_PCI is not set # # PCCARD (PCMCIA/CardBus) support @@ -122,6 +151,18 @@ CONFIG_ARM_AMBA=y # Kernel Features # # CONFIG_PREEMPT is not set +# CONFIG_NO_IDLE_HZ is not set +CONFIG_HZ=100 +# CONFIG_AEABI is not set +# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +# CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPLIT_PTLOCK_CPUS=4096 CONFIG_LEDS=y CONFIG_LEDS_TIMER=y CONFIG_LEDS_CPU=y @@ -145,7 +186,7 @@ CONFIG_CMDLINE="root=1f03 mem=32M" CONFIG_FPE_NWFPE=y # CONFIG_FPE_NWFPE_XP is not set # CONFIG_FPE_FASTFPE is not set -# CONFIG_VFP is not set +CONFIG_VFP=y # # Userspace binary formats @@ -159,9 +200,92 @@ CONFIG_BINFMT_ELF=y # Power management options # CONFIG_PM=y +CONFIG_PM_LEGACY=y +# CONFIG_PM_DEBUG is not set # CONFIG_APM is not set # +# Networking +# +CONFIG_NET=y + +# +# Networking options +# +# CONFIG_NETDEBUG is not set +CONFIG_PACKET=y +CONFIG_PACKET_MMAP=y +CONFIG_UNIX=y +# CONFIG_NET_KEY is not set +CONFIG_INET=y +CONFIG_IP_MULTICAST=y +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +# CONFIG_IP_PNP_DHCP is not set +CONFIG_IP_PNP_BOOTP=y +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_IP_MROUTE is not set +# CONFIG_ARPD is not set +# CONFIG_SYN_COOKIES is not set +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +# CONFIG_INET_DIAG is not set +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_BIC=y +# CONFIG_IPV6 is not set +# CONFIG_INET6_XFRM_TUNNEL is not set +# CONFIG_INET6_TUNNEL is not set +# CONFIG_NETFILTER is not set + +# +# DCCP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_DCCP is not set + +# +# SCTP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_SCTP is not set + +# +# TIPC Configuration (EXPERIMENTAL) +# +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_NET_DIVERT is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set + +# +# QoS and/or fair queueing +# +# CONFIG_NET_SCHED is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_IEEE80211 is not set + +# # Device Drivers # @@ -174,6 +298,11 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # CONFIG_DEBUG_DRIVER is not set # +# Connector - unified userspace <-> kernelspace linker +# +# CONFIG_CONNECTOR is not set + +# # Memory Technology Devices (MTD) # CONFIG_MTD=y @@ -192,6 +321,7 @@ CONFIG_MTD_BLOCK=y # CONFIG_FTL is not set # CONFIG_NFTL is not set # CONFIG_INFTL is not set +# CONFIG_RFD_FTL is not set # # RAM/ROM/Flash chip drivers @@ -214,6 +344,7 @@ CONFIG_MTD_CFI_I1=y CONFIG_MTD_CFI_I2=y # CONFIG_MTD_CFI_I4 is not set # CONFIG_MTD_CFI_I8 is not set +# CONFIG_MTD_OTP is not set CONFIG_MTD_CFI_INTELEXT=y # CONFIG_MTD_CFI_AMDSTD is not set # CONFIG_MTD_CFI_STAA is not set @@ -221,7 +352,7 @@ CONFIG_MTD_CFI_UTIL=y # CONFIG_MTD_RAM is not set # CONFIG_MTD_ROM is not set # CONFIG_MTD_ABSENT is not set -# CONFIG_MTD_XIP is not set +# CONFIG_MTD_OBSOLETE_CHIPS is not set # # Mapping drivers for chip access @@ -229,7 +360,7 @@ CONFIG_MTD_CFI_UTIL=y # CONFIG_MTD_COMPLEX_MAPPINGS is not set # CONFIG_MTD_PHYSMAP is not set CONFIG_MTD_ARM_INTEGRATOR=y -# CONFIG_MTD_EDB7312 is not set +# CONFIG_MTD_PLATRAM is not set # # Self-contained MTD device drivers @@ -237,7 +368,6 @@ CONFIG_MTD_ARM_INTEGRATOR=y # CONFIG_MTD_SLRAM is not set # CONFIG_MTD_PHRAM is not set # CONFIG_MTD_MTDRAM is not set -# CONFIG_MTD_BLKMTD is not set # CONFIG_MTD_BLOCK2MTD is not set # @@ -253,6 +383,11 @@ CONFIG_MTD_ARM_INTEGRATOR=y # CONFIG_MTD_NAND is not set # +# OneNAND Flash Device Drivers +# +# CONFIG_MTD_ONENAND is not set + +# # Parallel port support # # CONFIG_PARPORT is not set @@ -264,7 +399,6 @@ CONFIG_MTD_ARM_INTEGRATOR=y # # Block devices # -# CONFIG_BLK_DEV_FD is not set # CONFIG_BLK_DEV_COW_COMMON is not set # CONFIG_BLK_DEV_LOOP is not set # CONFIG_BLK_DEV_NBD is not set @@ -272,21 +406,13 @@ CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=4096 CONFIG_BLK_DEV_INITRD=y -CONFIG_INITRAMFS_SOURCE="" # CONFIG_CDROM_PKTCDVD is not set - -# -# IO Schedulers -# -CONFIG_IOSCHED_NOOP=y -CONFIG_IOSCHED_AS=y -CONFIG_IOSCHED_DEADLINE=y -CONFIG_IOSCHED_CFQ=y # CONFIG_ATA_OVER_ETH is not set # # SCSI device support # +# CONFIG_RAID_ATTRS is not set # CONFIG_SCSI is not set # @@ -297,6 +423,7 @@ CONFIG_IOSCHED_CFQ=y # # Fusion MPT device support # +# CONFIG_FUSION is not set # # IEEE 1394 (FireWire) support @@ -307,71 +434,8 @@ CONFIG_IOSCHED_CFQ=y # # -# Networking support -# -CONFIG_NET=y - -# -# Networking options -# -CONFIG_PACKET=y -CONFIG_PACKET_MMAP=y -# CONFIG_NETLINK_DEV is not set -CONFIG_UNIX=y -# CONFIG_NET_KEY is not set -CONFIG_INET=y -CONFIG_IP_MULTICAST=y -# CONFIG_IP_ADVANCED_ROUTER is not set -CONFIG_IP_PNP=y -# CONFIG_IP_PNP_DHCP is not set -CONFIG_IP_PNP_BOOTP=y -# CONFIG_IP_PNP_RARP is not set -# CONFIG_NET_IPIP is not set -# CONFIG_NET_IPGRE is not set -# CONFIG_IP_MROUTE is not set -# CONFIG_ARPD is not set -# CONFIG_SYN_COOKIES is not set -# CONFIG_INET_AH is not set -# CONFIG_INET_ESP is not set -# CONFIG_INET_IPCOMP is not set -# CONFIG_INET_TUNNEL is not set -# CONFIG_IP_TCPDIAG is not set -# CONFIG_IP_TCPDIAG_IPV6 is not set -# CONFIG_IPV6 is not set -# CONFIG_NETFILTER is not set - -# -# SCTP Configuration (EXPERIMENTAL) -# -# CONFIG_IP_SCTP is not set -# CONFIG_ATM is not set -# CONFIG_BRIDGE is not set -# CONFIG_VLAN_8021Q is not set -# CONFIG_DECNET is not set -# CONFIG_LLC2 is not set -# CONFIG_IPX is not set -# CONFIG_ATALK is not set -# CONFIG_X25 is not set -# CONFIG_LAPB is not set -# CONFIG_NET_DIVERT is not set -# CONFIG_ECONET is not set -# CONFIG_WAN_ROUTER is not set - -# -# QoS and/or fair queueing -# -# CONFIG_NET_SCHED is not set -# CONFIG_NET_CLS_ROUTE is not set - -# -# Network testing +# Network device support # -# CONFIG_NET_PKTGEN is not set -# CONFIG_NETPOLL is not set -# CONFIG_NET_POLL_CONTROLLER is not set -# CONFIG_HAMRADIO is not set -# CONFIG_IRDA is not set -# CONFIG_BT is not set CONFIG_NETDEVICES=y # CONFIG_DUMMY is not set # CONFIG_BONDING is not set @@ -379,11 +443,17 @@ CONFIG_NETDEVICES=y # CONFIG_TUN is not set # +# PHY device support +# +# CONFIG_PHYLIB is not set + +# # Ethernet (10 or 100Mbit) # CONFIG_NET_ETHERNET=y CONFIG_MII=y CONFIG_SMC91X=y +# CONFIG_DM9000 is not set # # Ethernet (1000 Mbit) @@ -410,6 +480,8 @@ CONFIG_SMC91X=y # CONFIG_SLIP is not set # CONFIG_SHAPER is not set # CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set # # ISDN subsystem @@ -459,7 +531,6 @@ CONFIG_SERIO_AMBAKMI=y CONFIG_SERIO_LIBPS2=y # CONFIG_SERIO_RAW is not set # CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y # # Character devices @@ -474,17 +545,16 @@ CONFIG_HW_CONSOLE=y # CONFIG_SERIAL_8250=m CONFIG_SERIAL_8250_NR_UARTS=4 +CONFIG_SERIAL_8250_RUNTIME_UARTS=4 CONFIG_SERIAL_8250_EXTENDED=y CONFIG_SERIAL_8250_MANY_PORTS=y CONFIG_SERIAL_8250_SHARE_IRQ=y # CONFIG_SERIAL_8250_DETECT_IRQ is not set -CONFIG_SERIAL_8250_MULTIPORT=y CONFIG_SERIAL_8250_RSA=y # # Non-8250 serial port support # -# CONFIG_SERIAL_AMBA_PL010 is not set CONFIG_SERIAL_AMBA_PL011=y CONFIG_SERIAL_AMBA_PL011_CONSOLE=y CONFIG_SERIAL_CORE=y @@ -503,20 +573,19 @@ CONFIG_LEGACY_PTY_COUNT=16 # # CONFIG_WATCHDOG is not set # CONFIG_NVRAM is not set -# CONFIG_RTC is not set # CONFIG_DTLK is not set # CONFIG_R3964 is not set # # Ftape, the floppy tape device driver # -# CONFIG_DRM is not set # CONFIG_RAW_DRIVER is not set # # TPM devices # # CONFIG_TCG_TPM is not set +# CONFIG_TELCLOCK is not set # # I2C support @@ -534,60 +603,60 @@ CONFIG_I2C_ALGOBIT=y # # I2C Hardware Bus support # -# CONFIG_I2C_ISA is not set # CONFIG_I2C_PARPORT_LIGHT is not set # CONFIG_I2C_STUB is not set # CONFIG_I2C_PCA_ISA is not set # -# Hardware Sensors Chip support -# -CONFIG_I2C_SENSOR=m -# CONFIG_SENSORS_ADM1021 is not set -# CONFIG_SENSORS_ADM1025 is not set -# CONFIG_SENSORS_ADM1026 is not set -# CONFIG_SENSORS_ADM1031 is not set -# CONFIG_SENSORS_ASB100 is not set -# CONFIG_SENSORS_DS1621 is not set -# CONFIG_SENSORS_FSCHER is not set -# CONFIG_SENSORS_FSCPOS is not set -# CONFIG_SENSORS_GL518SM is not set -# CONFIG_SENSORS_GL520SM is not set -# CONFIG_SENSORS_IT87 is not set -# CONFIG_SENSORS_LM63 is not set -# CONFIG_SENSORS_LM75 is not set -# CONFIG_SENSORS_LM77 is not set -# CONFIG_SENSORS_LM78 is not set -# CONFIG_SENSORS_LM80 is not set -# CONFIG_SENSORS_LM83 is not set -# CONFIG_SENSORS_LM85 is not set -# CONFIG_SENSORS_LM87 is not set -# CONFIG_SENSORS_LM90 is not set -# CONFIG_SENSORS_MAX1619 is not set -# CONFIG_SENSORS_PC87360 is not set -# CONFIG_SENSORS_SMSC47B397 is not set -# CONFIG_SENSORS_SMSC47M1 is not set -# CONFIG_SENSORS_W83781D is not set -# CONFIG_SENSORS_W83L785TS is not set -# CONFIG_SENSORS_W83627HF is not set - -# -# Other I2C Chip support +# Miscellaneous I2C Chip support # +# CONFIG_SENSORS_DS1337 is not set +# CONFIG_SENSORS_DS1374 is not set CONFIG_SENSORS_EEPROM=m # CONFIG_SENSORS_PCF8574 is not set +# CONFIG_SENSORS_PCA9539 is not set # CONFIG_SENSORS_PCF8591 is not set -# CONFIG_SENSORS_RTC8564 is not set +# CONFIG_SENSORS_MAX6875 is not set # CONFIG_I2C_DEBUG_CORE is not set # CONFIG_I2C_DEBUG_ALGO is not set # CONFIG_I2C_DEBUG_BUS is not set # CONFIG_I2C_DEBUG_CHIP is not set # +# SPI support +# +# CONFIG_SPI is not set +# CONFIG_SPI_MASTER is not set + +# +# Dallas's 1-wire bus +# +# CONFIG_W1 is not set + +# +# Hardware Monitoring support +# +# CONFIG_HWMON is not set +# CONFIG_HWMON_VID is not set + +# # Misc devices # # +# LED devices +# +# CONFIG_NEW_LEDS is not set + +# +# LED drivers +# + +# +# LED Triggers +# + +# # Multimedia devices # # CONFIG_VIDEO_DEV is not set @@ -604,27 +673,31 @@ CONFIG_FB=y CONFIG_FB_CFB_FILLRECT=y CONFIG_FB_CFB_COPYAREA=y CONFIG_FB_CFB_IMAGEBLIT=y -CONFIG_FB_SOFT_CURSOR=y +# CONFIG_FB_MACMODES is not set +# CONFIG_FB_FIRMWARE_EDID is not set # CONFIG_FB_MODE_HELPERS is not set # CONFIG_FB_TILEBLITTING is not set CONFIG_FB_ARMCLCD=y +# CONFIG_FB_S1D13XXX is not set # CONFIG_FB_VIRTUAL is not set # # Console display driver support # -# CONFIG_VGA_CONSOLE is not set CONFIG_DUMMY_CONSOLE=y CONFIG_FRAMEBUFFER_CONSOLE=y +# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set CONFIG_FONTS=y # CONFIG_FONT_8x8 is not set # CONFIG_FONT_8x16 is not set # CONFIG_FONT_6x11 is not set +# CONFIG_FONT_7x14 is not set # CONFIG_FONT_PEARL_8x8 is not set CONFIG_FONT_ACORN_8x8=y # CONFIG_FONT_MINI_4x6 is not set # CONFIG_FONT_SUN8x16 is not set # CONFIG_FONT_SUN12x22 is not set +# CONFIG_FONT_10x18 is not set # # Logo configuration @@ -647,12 +720,18 @@ CONFIG_SND_PCM=m CONFIG_SND_OSSEMUL=y CONFIG_SND_MIXER_OSS=m CONFIG_SND_PCM_OSS=m +CONFIG_SND_PCM_OSS_PLUGINS=y +# CONFIG_SND_DYNAMIC_MINORS is not set +CONFIG_SND_SUPPORT_OLD_API=y +CONFIG_SND_VERBOSE_PROCFS=y # CONFIG_SND_VERBOSE_PRINTK is not set # CONFIG_SND_DEBUG is not set # # Generic devices # +CONFIG_SND_AC97_CODEC=m +CONFIG_SND_AC97_BUS=m # CONFIG_SND_DUMMY is not set # CONFIG_SND_MTPAV is not set # CONFIG_SND_SERIAL_U16550 is not set @@ -661,6 +740,7 @@ CONFIG_SND_PCM_OSS=m # # ALSA ARM devices # +CONFIG_SND_ARMAACI=m # # Open Sound System @@ -672,9 +752,14 @@ CONFIG_SND_PCM_OSS=m # CONFIG_USB_ARCH_HAS_HCD=y # CONFIG_USB_ARCH_HAS_OHCI is not set +# CONFIG_USB_ARCH_HAS_EHCI is not set # CONFIG_USB is not set # +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# + +# # USB Gadget Support # # CONFIG_USB_GADGET is not set @@ -688,25 +773,31 @@ CONFIG_MMC_BLOCK=y CONFIG_MMC_ARMMMCI=m # +# Real Time Clock +# +CONFIG_RTC_LIB=y +# CONFIG_RTC_CLASS is not set + +# # File systems # CONFIG_EXT2_FS=y # CONFIG_EXT2_FS_XATTR is not set +# CONFIG_EXT2_FS_XIP is not set # CONFIG_EXT3_FS is not set -# CONFIG_JBD is not set # CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set - -# -# XFS support -# +# CONFIG_FS_POSIX_ACL is not set # CONFIG_XFS_FS is not set +# CONFIG_OCFS2_FS is not set CONFIG_MINIX_FS=y CONFIG_ROMFS_FS=y +# CONFIG_INOTIFY is not set # CONFIG_QUOTA is not set CONFIG_DNOTIFY=y # CONFIG_AUTOFS_FS is not set # CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set # # CD-ROM/DVD Filesystems @@ -729,11 +820,10 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" # CONFIG_PROC_FS=y CONFIG_SYSFS=y -# CONFIG_DEVFS_FS is not set -# CONFIG_DEVPTS_FS_XATTR is not set # CONFIG_TMPFS is not set # CONFIG_HUGETLB_PAGE is not set CONFIG_RAMFS=y +# CONFIG_CONFIGFS_FS is not set # # Miscellaneous filesystems @@ -748,8 +838,8 @@ CONFIG_RAMFS=y # CONFIG_JFFS_FS is not set CONFIG_JFFS2_FS=y CONFIG_JFFS2_FS_DEBUG=0 -# CONFIG_JFFS2_FS_NAND is not set -# CONFIG_JFFS2_FS_NOR_ECC is not set +CONFIG_JFFS2_FS_WRITEBUFFER=y +# CONFIG_JFFS2_SUMMARY is not set # CONFIG_JFFS2_COMPRESSION_OPTIONS is not set CONFIG_JFFS2_ZLIB=y CONFIG_JFFS2_RTIME=y @@ -766,16 +856,19 @@ CONFIG_CRAMFS=y # CONFIG_NFS_FS=y CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set # CONFIG_NFS_V4 is not set # CONFIG_NFS_DIRECTIO is not set CONFIG_NFSD=y CONFIG_NFSD_V3=y +# CONFIG_NFSD_V3_ACL is not set # CONFIG_NFSD_V4 is not set # CONFIG_NFSD_TCP is not set CONFIG_ROOT_NFS=y CONFIG_LOCKD=y CONFIG_LOCKD_V4=y CONFIG_EXPORTFS=y +CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y # CONFIG_RPCSEC_GSS_KRB5 is not set # CONFIG_RPCSEC_GSS_SPKM3 is not set @@ -784,6 +877,7 @@ CONFIG_SUNRPC=y # CONFIG_NCP_FS is not set # CONFIG_CODA_FS is not set # CONFIG_AFS_FS is not set +# CONFIG_9P_FS is not set # # Partition Types @@ -803,6 +897,7 @@ CONFIG_MSDOS_PARTITION=y # CONFIG_SGI_PARTITION is not set # CONFIG_ULTRIX_PARTITION is not set # CONFIG_SUN_PARTITION is not set +# CONFIG_KARMA_PARTITION is not set # CONFIG_EFI_PARTITION is not set # @@ -858,18 +953,24 @@ CONFIG_NLS_ISO8859_1=m # Kernel hacking # # CONFIG_PRINTK_TIME is not set -CONFIG_DEBUG_KERNEL=y CONFIG_MAGIC_SYSRQ=y +CONFIG_DEBUG_KERNEL=y CONFIG_LOG_BUF_SHIFT=14 +CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_SCHEDSTATS is not set # CONFIG_DEBUG_SLAB is not set +# CONFIG_DEBUG_MUTEXES is not set # CONFIG_DEBUG_SPINLOCK is not set # CONFIG_DEBUG_SPINLOCK_SLEEP is not set # CONFIG_DEBUG_KOBJECT is not set CONFIG_DEBUG_BUGVERBOSE=y # CONFIG_DEBUG_INFO is not set # CONFIG_DEBUG_FS is not set +# CONFIG_DEBUG_VM is not set CONFIG_FRAME_POINTER=y +# CONFIG_UNWIND_INFO is not set +CONFIG_FORCED_INLINING=y +# CONFIG_RCU_TORTURE_TEST is not set CONFIG_DEBUG_USER=y # CONFIG_DEBUG_WAITQ is not set CONFIG_DEBUG_ERRORS=y @@ -895,6 +996,7 @@ CONFIG_DEBUG_LL=y # Library routines # # CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set CONFIG_CRC32=y # CONFIG_LIBCRC32C is not set CONFIG_ZLIB_INFLATE=y diff --git a/arch/arm/kernel/asm-offsets.c b/arch/arm/kernel/asm-offsets.c index 45fdf4a51a2a..396efba9bacd 100644 --- a/arch/arm/kernel/asm-offsets.c +++ b/arch/arm/kernel/asm-offsets.c @@ -99,6 +99,8 @@ int main(void) DEFINE(MACHINFO_NAME, offsetof(struct machine_desc, name)); DEFINE(MACHINFO_PHYSIO, offsetof(struct machine_desc, phys_io)); DEFINE(MACHINFO_PGOFFIO, offsetof(struct machine_desc, io_pg_offst)); + BLANK(); + DEFINE(PROC_INFO_SZ, sizeof(struct proc_info_list)); DEFINE(PROCINFO_INITFUNC, offsetof(struct proc_info_list, __cpu_flush)); DEFINE(PROCINFO_MMUFLAGS, offsetof(struct proc_info_list, __cpu_mmu_flags)); return 0; diff --git a/arch/arm/kernel/dma-isa.c b/arch/arm/kernel/dma-isa.c index 03532769a97f..0a3e9ad297d8 100644 --- a/arch/arm/kernel/dma-isa.c +++ b/arch/arm/kernel/dma-isa.c @@ -143,12 +143,23 @@ static struct dma_ops isa_dma_ops = { .residue = isa_get_dma_residue, }; -static struct resource dma_resources[] = { - { "dma1", 0x0000, 0x000f }, - { "dma low page", 0x0080, 0x008f }, - { "dma2", 0x00c0, 0x00df }, - { "dma high page", 0x0480, 0x048f } -}; +static struct resource dma_resources[] = { { + .name = "dma1", + .start = 0x0000, + .end = 0x000f +}, { + .name = "dma low page", + .start = 0x0080, + .end = 0x008f +}, { + .name = "dma2", + .start = 0x00c0, + .end = 0x00df +}, { + .name = "dma high page", + .start = 0x0480, + .end = 0x048f +} }; void __init isa_init_dma(dma_t *dma) { diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index 1ff75cee4b0d..7df6e1aaa323 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -264,8 +264,12 @@ void show_fpregs(struct user_fp *regs) /* * Task structure and kernel stack allocation. */ -static unsigned long *thread_info_head; -static unsigned int nr_thread_info; +struct thread_info_list { + unsigned long *head; + unsigned int nr; +}; + +static DEFINE_PER_CPU(struct thread_info_list, thread_info_list) = { NULL, 0 }; #define EXTRA_TASK_STRUCT 4 @@ -274,12 +278,15 @@ struct thread_info *alloc_thread_info(struct task_struct *task) struct thread_info *thread = NULL; if (EXTRA_TASK_STRUCT) { - unsigned long *p = thread_info_head; + struct thread_info_list *th = &get_cpu_var(thread_info_list); + unsigned long *p = th->head; if (p) { - thread_info_head = (unsigned long *)p[0]; - nr_thread_info -= 1; + th->head = (unsigned long *)p[0]; + th->nr -= 1; } + put_cpu_var(thread_info_list); + thread = (struct thread_info *)p; } @@ -300,13 +307,19 @@ struct thread_info *alloc_thread_info(struct task_struct *task) void free_thread_info(struct thread_info *thread) { - if (EXTRA_TASK_STRUCT && nr_thread_info < EXTRA_TASK_STRUCT) { - unsigned long *p = (unsigned long *)thread; - p[0] = (unsigned long)thread_info_head; - thread_info_head = p; - nr_thread_info += 1; - } else - free_pages((unsigned long)thread, THREAD_SIZE_ORDER); + if (EXTRA_TASK_STRUCT) { + struct thread_info_list *th = &get_cpu_var(thread_info_list); + if (th->nr < EXTRA_TASK_STRUCT) { + unsigned long *p = (unsigned long *)thread; + p[0] = (unsigned long)th->head; + th->head = p; + th->nr += 1; + put_cpu_var(thread_info_list); + return; + } + put_cpu_var(thread_info_list); + } + free_pages((unsigned long)thread, THREAD_SIZE_ORDER); } /* diff --git a/arch/arm/lib/backtrace.S b/arch/arm/lib/backtrace.S index 3bdc8c6949c5..16153c86c3f8 100644 --- a/arch/arm/lib/backtrace.S +++ b/arch/arm/lib/backtrace.S @@ -122,7 +122,7 @@ ENTRY(c_backtrace) #define reg r5 #define stack r6 -.Ldumpstm: stmfd sp!, {instr, reg, stack, r7, lr} +.Ldumpstm: stmfd sp!, {instr, reg, stack, r7, r8, lr} mov stack, r0 mov instr, r1 mov reg, #9 @@ -145,7 +145,7 @@ ENTRY(c_backtrace) adrne r0, .Lcr blne printk mov r0, stack - LOADREGS(fd, sp!, {instr, reg, stack, r7, pc}) + LOADREGS(fd, sp!, {instr, reg, stack, r7, r8, pc}) .Lfp: .asciz " r%d = %08X%c" .Lcr: .asciz "\n" diff --git a/arch/arm/lib/div64.S b/arch/arm/lib/div64.S index ec9a1cd6176f..58eef6607629 100644 --- a/arch/arm/lib/div64.S +++ b/arch/arm/lib/div64.S @@ -189,12 +189,12 @@ ENTRY(__do_div64) moveq pc, lr @ Division by 0: - str lr, [sp, #-4]! + str lr, [sp, #-8]! bl __div0 @ as wrong as it could be... mov yl, #0 mov yh, #0 mov xh, #0 - ldr pc, [sp], #4 + ldr pc, [sp], #8 diff --git a/arch/arm/mach-aaec2000/aaed2000.c b/arch/arm/mach-aaec2000/aaed2000.c index dc5fa8e5ebef..83f57da3184c 100644 --- a/arch/arm/mach-aaec2000/aaed2000.c +++ b/arch/arm/mach-aaec2000/aaed2000.c @@ -79,7 +79,12 @@ static void __init aaed2000_init(void) } static struct map_desc aaed2000_io_desc[] __initdata = { - { EXT_GPIO_VBASE, EXT_GPIO_PBASE, EXT_GPIO_LENGTH, MT_DEVICE }, /* Ext GPIO */ + { + .virtual = EXT_GPIO_VBASE, + .pfn = __phys_to_pfn(EXT_GPIO_PBASE), + .length = EXT_GPIO_LENGTH, + .type = MT_DEVICE + }, }; static void __init aaed2000_map_io(void) diff --git a/arch/arm/mach-aaec2000/core.c b/arch/arm/mach-aaec2000/core.c index dce4815cf53c..65be5efd633c 100644 --- a/arch/arm/mach-aaec2000/core.c +++ b/arch/arm/mach-aaec2000/core.c @@ -20,7 +20,6 @@ #include <linux/interrupt.h> #include <linux/timex.h> #include <linux/signal.h> -#include <linux/amba/bus.h> #include <asm/hardware.h> #include <asm/irq.h> @@ -50,12 +49,12 @@ static struct map_desc standard_io_desc[] __initdata = { { .virtual = VIO_APB_BASE, - .physical = __phys_to_pfn(PIO_APB_BASE), + .pfn = __phys_to_pfn(PIO_APB_BASE), .length = IO_APB_LENGTH, .type = MT_DEVICE }, { .virtual = VIO_AHB_BASE, - .physical = __phys_to_pfn(PIO_AHB_BASE), + .pfn = __phys_to_pfn(PIO_AHB_BASE), .length = IO_AHB_LENGTH, .type = MT_DEVICE } diff --git a/arch/arm/mach-aaec2000/core.h b/arch/arm/mach-aaec2000/core.h index b6029a95f19c..59501b573167 100644 --- a/arch/arm/mach-aaec2000/core.h +++ b/arch/arm/mach-aaec2000/core.h @@ -9,6 +9,7 @@ * */ +#include <linux/amba/bus.h> #include <linux/amba/clcd.h> struct sys_timer; diff --git a/arch/arm/mach-imx/mx1ads.c b/arch/arm/mach-imx/mx1ads.c index e1f6c0bbe1e7..da893c80d471 100644 --- a/arch/arm/mach-imx/mx1ads.c +++ b/arch/arm/mach-imx/mx1ads.c @@ -161,7 +161,7 @@ mx1ads_map_io(void) MACHINE_START(MX1ADS, "Motorola MX1ADS") /* Maintainer: Sascha Hauer, Pengutronix */ .phys_io = 0x00200000, - .io_pg_offst = ((0xe0200000) >> 18) & 0xfffc, + .io_pg_offst = ((0xe0000000) >> 18) & 0xfffc, .boot_params = 0x08000100, .map_io = mx1ads_map_io, .init_irq = imx_init_irq, diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c index 98356f810007..02e188d98e7d 100644 --- a/arch/arm/mach-pxa/mainstone.c +++ b/arch/arm/mach-pxa/mainstone.c @@ -95,7 +95,10 @@ static void __init mainstone_init_irq(void) for(irq = MAINSTONE_IRQ(0); irq <= MAINSTONE_IRQ(15); irq++) { set_irq_chip(irq, &mainstone_irq_chip); set_irq_handler(irq, do_level_IRQ); - set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); + if (irq == MAINSTONE_IRQ(10) || irq == MAINSTONE_IRQ(14)) + set_irq_flags(irq, IRQF_VALID | IRQF_PROBE | IRQF_NOAUTOEN); + else + set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); } set_irq_flags(MAINSTONE_IRQ(8), 0); set_irq_flags(MAINSTONE_IRQ(12), 0); diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c index d4a586e38d5b..693fb1e396e0 100644 --- a/arch/arm/mach-realview/realview_eb.c +++ b/arch/arm/mach-realview/realview_eb.c @@ -137,8 +137,11 @@ static struct amba_device *amba_devs[] __initdata = { static void __init gic_init_irq(void) { #ifdef CONFIG_REALVIEW_MPCORE + unsigned int pldctrl; writel(0x0000a05f, __io_address(REALVIEW_SYS_LOCK)); - writel(0x008003c0, __io_address(REALVIEW_SYS_BASE) + 0xd8); + pldctrl = readl(__io_address(REALVIEW_SYS_BASE) + 0xd8); + pldctrl |= 0x00800000; /* New irq mode */ + writel(pldctrl, __io_address(REALVIEW_SYS_BASE) + 0xd8); writel(0x00000000, __io_address(REALVIEW_SYS_LOCK)); #endif gic_dist_init(__io_address(REALVIEW_GIC_DIST_BASE)); diff --git a/arch/arm/mach-s3c2410/sleep.S b/arch/arm/mach-s3c2410/sleep.S index 832fb86a03b4..73de2eaca22a 100644 --- a/arch/arm/mach-s3c2410/sleep.S +++ b/arch/arm/mach-s3c2410/sleep.S @@ -59,8 +59,7 @@ ENTRY(s3c2410_cpu_suspend) mrc p15, 0, r5, c13, c0, 0 @ PID mrc p15, 0, r6, c3, c0, 0 @ Domain ID mrc p15, 0, r7, c2, c0, 0 @ translation table base address - mrc p15, 0, r8, c2, c0, 0 @ auxiliary control register - mrc p15, 0, r9, c1, c0, 0 @ control register + mrc p15, 0, r8, c1, c0, 0 @ control register stmia r0, { r4 - r13 } @@ -165,7 +164,6 @@ ENTRY(s3c2410_cpu_resume) mcr p15, 0, r5, c13, c0, 0 @ PID mcr p15, 0, r6, c3, c0, 0 @ Domain ID mcr p15, 0, r7, c2, c0, 0 @ translation table base - mcr p15, 0, r8, c1, c1, 0 @ auxilliary control #ifdef CONFIG_DEBUG_RESUME mov r3, #'R' @@ -173,7 +171,7 @@ ENTRY(s3c2410_cpu_resume) #endif ldr r2, =resume_with_mmu - mcr p15, 0, r9, c1, c0, 0 @ turn on MMU, etc + mcr p15, 0, r8, c1, c0, 0 @ turn on MMU, etc nop @ second-to-last before mmu mov pc, r2 @ go back to virtual address diff --git a/arch/arm/mach-sa1100/irq.c b/arch/arm/mach-sa1100/irq.c index c131a5201b5b..b3a56024182e 100644 --- a/arch/arm/mach-sa1100/irq.c +++ b/arch/arm/mach-sa1100/irq.c @@ -199,10 +199,26 @@ static void sa1100_unmask_irq(unsigned int irq) ICMR |= (1 << irq); } +/* + * Apart form GPIOs, only the RTC alarm can be a wakeup event. + */ +static int sa1100_set_wake(unsigned int irq, unsigned int on) +{ + if (irq == IRQ_RTCAlrm) { + if (on) + PWER |= PWER_RTC; + else + PWER &= ~PWER_RTC; + return 0; + } + return -EINVAL; +} + static struct irqchip sa1100_normal_chip = { .ack = sa1100_mask_irq, .mask = sa1100_mask_irq, .unmask = sa1100_unmask_irq, + .set_wake = sa1100_set_wake, }; static struct resource irq_resource = { diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c index 25e0ca3e598c..c1f7180c7bed 100644 --- a/arch/arm/mm/ioremap.c +++ b/arch/arm/mm/ioremap.c @@ -141,7 +141,7 @@ __ioremap_pfn(unsigned long pfn, unsigned long offset, size_t size, return NULL; addr = (unsigned long)area->addr; if (remap_area_pages(addr, pfn, size, flags)) { - vfree((void *)addr); + vunmap((void *)addr); return NULL; } return (void __iomem *) (offset + (char *)addr); @@ -173,7 +173,7 @@ EXPORT_SYMBOL(__ioremap); void __iounmap(void __iomem *addr) { - vfree((void *) (PAGE_MASK & (unsigned long) addr)); + vunmap((void *)(PAGE_MASK & (unsigned long)addr)); } EXPORT_SYMBOL(__iounmap); diff --git a/arch/arm/tools/mach-types b/arch/arm/tools/mach-types index 8ab5300dcb94..6d7de9c0412f 100644 --- a/arch/arm/tools/mach-types +++ b/arch/arm/tools/mach-types @@ -12,7 +12,7 @@ # # http://www.arm.linux.org.uk/developer/machines/?action=new # -# Last update: Mon Feb 20 10:18:02 2006 +# Last update: Mon May 8 20:11:05 2006 # # machine_is_xxx CONFIG_xxxx MACH_TYPE_xxx number # @@ -566,8 +566,8 @@ switchgrass MACH_SWITCHGRASS SWITCHGRASS 549 ens_cmu MACH_ENS_CMU ENS_CMU 550 mm6_sdb MACH_MM6_SDB MM6_SDB 551 saturn MACH_SATURN SATURN 552 -argonplusevb MACH_ARGONPLUSEVB ARGONPLUSEVB 553 -scma11evb MACH_SCMA11EVB SCMA11EVB 554 +i30030evb MACH_ARGONPLUSEVB ARGONPLUSEVB 553 +mxc27530evb MACH_SCMA11EVB SCMA11EVB 554 smdk2800 MACH_SMDK2800 SMDK2800 555 mtwilson MACH_MTWILSON MTWILSON 556 ziti MACH_ZITI ZITI 557 @@ -647,7 +647,7 @@ sendt MACH_SENDT SENDT 630 mx2jazz MACH_MX2JAZZ MX2JAZZ 631 multiio MACH_MULTIIO MULTIIO 632 hrdisplay MACH_HRDISPLAY HRDISPLAY 633 -scma11bb MACH_SCMA11BB SCMA11BB 634 +mxc27530ads MACH_SCMA11BB SCMA11BB 634 trizeps3 MACH_TRIZEPS3 TRIZEPS3 635 zefeerdza MACH_ZEFEERDZA ZEFEERDZA 636 zefeerdzb MACH_ZEFEERDZB ZEFEERDZB 637 @@ -721,7 +721,7 @@ gp32 MACH_GP32 GP32 706 gem MACH_GEM GEM 707 i858 MACH_I858 I858 708 hx2750 MACH_HX2750 HX2750 709 -zeusevb MACH_ZEUSEVB ZEUSEVB 710 +mxc91131evb MACH_ZEUSEVB ZEUSEVB 710 p700 MACH_P700 P700 711 cpe MACH_CPE CPE 712 spitz MACH_SPITZ SPITZ 713 @@ -802,7 +802,7 @@ cpuat91 MACH_CPUAT91 CPUAT91 787 rea9200 MACH_REA9200 REA9200 788 acts_pune_sa1110 MACH_ACTS_PUNE_SA1110 ACTS_PUNE_SA1110 789 ixp425 MACH_IXP425 IXP425 790 -argonplusodyssey MACH_ARGONPLUSODYSSEY ARGONPLUSODYSSEY 791 +i30030ads MACH_ARGONPLUSODYSSEY ARGONPLUSODYSSEY 791 perch MACH_PERCH PERCH 792 eis05r1 MACH_EIS05R1 EIS05R1 793 pepperpad MACH_PEPPERPAD PEPPERPAD 794 @@ -827,7 +827,7 @@ micro9l MACH_MICRO9L MICRO9L 812 uc5471dsp MACH_UC5471DSP UC5471DSP 813 sj5471eng MACH_SJ5471ENG SJ5471ENG 814 none MACH_CMPXA26X CMPXA26X 815 -nc MACH_NC NC 816 +nc1 MACH_NC NC 816 omap_palmte MACH_OMAP_PALMTE OMAP_PALMTE 817 ajax52x MACH_AJAX52X AJAX52X 818 siriustar MACH_SIRIUSTAR SIRIUSTAR 819 @@ -930,7 +930,7 @@ netclient MACH_NETCLIENT NETCLIENT 916 xscale_palmtt5 MACH_XSCALE_PALMTT5 XSCALE_PALMTT5 917 xscale_palmtc MACH_OMAP_PALMTC OMAP_PALMTC 918 omap_apollon MACH_OMAP_APOLLON OMAP_APOLLON 919 -argonlvevb MACH_ARGONLVEVB ARGONLVEVB 920 +mxc30030evb MACH_ARGONLVEVB ARGONLVEVB 920 rea_2d MACH_REA_2D REA_2D 921 eti3e524 MACH_TI3E524 TI3E524 922 ateb9200 MACH_ATEB9200 ATEB9200 923 @@ -965,7 +965,78 @@ sisteron MACH_SISTERON SISTERON 951 rx1950 MACH_RX1950 RX1950 952 tsc_venus MACH_TSC_VENUS TSC_VENUS 953 ds101j MACH_DS101J DS101J 954 -mxc300_30ads MACH_MXC30030ADS MXC30030ADS 955 +mxc30030ads MACH_MXC30030ADS MXC30030ADS 955 fujitsu_wimaxsoc MACH_FUJITSU_WIMAXSOC FUJITSU_WIMAXSOC 956 dualpcmodem MACH_DUALPCMODEM DUALPCMODEM 957 gesbc9312 MACH_GESBC9312 GESBC9312 958 +htcapache MACH_HTCAPACHE HTCAPACHE 959 +ixdp435 MACH_IXDP435 IXDP435 960 +catprovt100 MACH_CATPROVT100 CATPROVT100 961 +picotux1xx MACH_PICOTUX1XX PICOTUX1XX 962 +picotux2xx MACH_PICOTUX2XX PICOTUX2XX 963 +dsmg600 MACH_DSMG600 DSMG600 964 +empc2 MACH_EMPC2 EMPC2 965 +ventura MACH_VENTURA VENTURA 966 +phidget_sbc MACH_PHIDGET_SBC PHIDGET_SBC 967 +ij3k MACH_IJ3K IJ3K 968 +pisgah MACH_PISGAH PISGAH 969 +omap_fsample MACH_OMAP_FSAMPLE OMAP_FSAMPLE 970 +sg720 MACH_SG720 SG720 971 +redfox MACH_REDFOX REDFOX 972 +mysh_ep9315_1 MACH_MYSH_EP9315_1 MYSH_EP9315_1 973 +tpf106 MACH_TPF106 TPF106 974 +at91rm9200kg MACH_AT91RM9200KG AT91RM9200KG 975 +racemt2 MACH_SLEDB SLEDB 976 +ontrack MACH_ONTRACK ONTRACK 977 +pm1200 MACH_PM1200 PM1200 978 +ess24562 MACH_ESS24XXX ESS24XXX 979 +coremp7 MACH_COREMP7 COREMP7 980 +nexcoder_6446 MACH_NEXCODER_6446 NEXCODER_6446 981 +stvc8380 MACH_STVC8380 STVC8380 982 +teklynx MACH_TEKLYNX TEKLYNX 983 +carbonado MACH_CARBONADO CARBONADO 984 +sysmos_mp730 MACH_SYSMOS_MP730 SYSMOS_MP730 985 +snapper_cl15 MACH_SNAPPER_CL15 SNAPPER_CL15 986 +pgigim MACH_PGIGIM PGIGIM 987 +ptx9160p2 MACH_PTX9160P2 PTX9160P2 988 +dcore1 MACH_DCORE1 DCORE1 989 +victorpxa MACH_VICTORPXA VICTORPXA 990 +mx2dtb MACH_MX2DTB MX2DTB 991 +pxa_irex_er0100 MACH_PXA_IREX_ER0100 PXA_IREX_ER0100 992 +omap_palmz71 MACH_OMAP_PALMZ71 OMAP_PALMZ71 993 +bartec_deg MACH_BARTEC_DEG BARTEC_DEG 994 +hw50251 MACH_HW50251 HW50251 995 +ibox MACH_IBOX IBOX 996 +atlaslh7a404 MACH_ATLASLH7A404 ATLASLH7A404 997 +pt2026 MACH_PT2026 PT2026 998 +htcalpine MACH_HTCALPINE HTCALPINE 999 +bartec_vtu MACH_BARTEC_VTU BARTEC_VTU 1000 +vcoreii MACH_VCOREII VCOREII 1001 +pdnb3 MACH_PDNB3 PDNB3 1002 +htcbeetles MACH_HTCBEETLES HTCBEETLES 1003 +s3c6400 MACH_S3C6400 S3C6400 1004 +s3c2443 MACH_S3C2443 S3C2443 1005 +omap_ldk MACH_OMAP_LDK OMAP_LDK 1006 +smdk2460 MACH_SMDK2460 SMDK2460 1007 +smdk2440 MACH_SMDK2440 SMDK2440 1008 +smdk2412 MACH_SMDK2412 SMDK2412 1009 +webbox MACH_WEBBOX WEBBOX 1010 +cwwndp MACH_CWWNDP CWWNDP 1011 +dragon MACH_DRAGON DRAGON 1012 +opendo_cpu_board MACH_OPENDO_CPU_BOARD OPENDO_CPU_BOARD 1013 +ccm2200 MACH_CCM2200 CCM2200 1014 +etwarm MACH_ETWARM ETWARM 1015 +m93030 MACH_M93030 M93030 1016 +cc7u MACH_CC7U CC7U 1017 +mtt_ranger MACH_MTT_RANGER MTT_RANGER 1018 +nexus MACH_NEXUS NEXUS 1019 +desman MACH_DESMAN DESMAN 1020 +bkde303 MACH_BKDE303 BKDE303 1021 +smdk2413 MACH_SMDK2413 SMDK2413 1022 +aml_m7200 MACH_AML_M7200 AML_M7200 1023 +aml_m5900 MACH_AML_M5900 AML_M5900 1024 +sg640 MACH_SG640 SG640 1025 +edg79524 MACH_EDG79524 EDG79524 1026 +ai2410 MACH_AI2410 AI2410 1027 +ixp465 MACH_IXP465 IXP465 1028 +balloon3 MACH_BALLOON3 BALLOON3 1029 diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig index c6fe99e57a05..8dfa3054f10f 100644 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig @@ -758,10 +758,10 @@ config HOTPLUG_CPU bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" depends on SMP && HOTPLUG && EXPERIMENTAL && !X86_VOYAGER ---help--- - Say Y here to experiment with turning CPUs off and on. CPUs - can be controlled through /sys/devices/system/cpu. + Say Y here to experiment with turning CPUs off and on, and to + enable suspend on SMP systems. CPUs can be controlled through + /sys/devices/system/cpu. - Say N. endmenu diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c index 40e5aba3ad3d..daee69579b1c 100644 --- a/arch/i386/kernel/acpi/boot.c +++ b/arch/i386/kernel/acpi/boot.c @@ -1066,6 +1066,14 @@ static struct dmi_system_id __initdata acpi_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 360"), }, }, + { + .callback = disable_acpi_pci, + .ident = "HP xw9300", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP xw9300 Workstation"), + }, + }, {} }; diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c index 013b85df18c6..3d4b2f3d116a 100644 --- a/arch/i386/kernel/apic.c +++ b/arch/i386/kernel/apic.c @@ -1341,6 +1341,14 @@ int __init APIC_init_uniprocessor (void) connect_bsp_APIC(); + /* + * Hack: In case of kdump, after a crash, kernel might be booting + * on a cpu with non-zero lapic id. But boot_cpu_physical_apicid + * might be zero if read from MP tables. Get it from LAPIC. + */ +#ifdef CONFIG_CRASH_DUMP + boot_cpu_physical_apicid = GET_APIC_ID(apic_read(APIC_ID)); +#endif phys_cpu_present_map = physid_mask_of_physid(boot_cpu_physical_apicid); setup_local_APIC(); diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c index f8f132aa5472..d70f2ade5cde 100644 --- a/arch/i386/kernel/io_apic.c +++ b/arch/i386/kernel/io_apic.c @@ -2238,6 +2238,8 @@ static inline void unlock_ExtINT_logic(void) spin_unlock_irqrestore(&ioapic_lock, flags); } +int timer_uses_ioapic_pin_0; + /* * This code may look a bit paranoid, but it's supposed to cooperate with * a wide range of boards and BIOS bugs. Fortunately only the timer IRQ @@ -2274,6 +2276,9 @@ static inline void check_timer(void) pin2 = ioapic_i8259.pin; apic2 = ioapic_i8259.apic; + if (pin1 == 0) + timer_uses_ioapic_pin_0 = 1; + printk(KERN_INFO "..TIMER: vector=0x%02X apic1=%d pin1=%d apic2=%d pin2=%d\n", vector, apic1, pin1, apic2, pin2); diff --git a/arch/i386/kernel/mpparse.c b/arch/i386/kernel/mpparse.c index 34d21e21e012..6b1392d33ed5 100644 --- a/arch/i386/kernel/mpparse.c +++ b/arch/i386/kernel/mpparse.c @@ -1130,7 +1130,17 @@ int mp_register_gsi (u32 gsi, int triggering, int polarity) */ int irq = gsi; if (gsi < MAX_GSI_NUM) { - if (gsi > 15) + /* + * Retain the VIA chipset work-around (gsi > 15), but + * avoid a problem where the 8254 timer (IRQ0) is setup + * via an override (so it's not on pin 0 of the ioapic), + * and at the same time, the pin 0 interrupt is a PCI + * type. The gsi > 15 test could cause these two pins + * to be shared as IRQ0, and they are not shareable. + * So test for this condition, and if necessary, avoid + * the pin collision. + */ + if (gsi > 15 || (gsi == 0 && !timer_uses_ioapic_pin_0)) gsi = pci_irq++; /* * Don't assign IRQ used by ACPI SCI diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c index d77e89ac0d54..846e1639ef7c 100644 --- a/arch/i386/kernel/setup.c +++ b/arch/i386/kernel/setup.c @@ -1320,6 +1320,8 @@ legacy_init_iomem_resources(struct resource *code_resource, struct resource *dat probe_roms(); for (i = 0; i < e820.nr_map; i++) { struct resource *res; + if (e820.map[i].addr + e820.map[i].size > 0x100000000ULL) + continue; res = kzalloc(sizeof(struct resource), GFP_ATOMIC); switch (e820.map[i].type) { case E820_RAM: res->name = "System RAM"; break; diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c index 2d22f5761b1d..0e498369f35e 100644 --- a/arch/i386/kernel/traps.c +++ b/arch/i386/kernel/traps.c @@ -130,9 +130,8 @@ static inline int print_addr_and_symbol(unsigned long addr, char *log_lvl, print_symbol("%s", addr); printed = (printed + 1) % CONFIG_STACK_BACKTRACE_COLS; - if (printed) - printk(" "); + printk(" "); else printk("\n"); @@ -212,7 +211,6 @@ static void show_stack_log_lvl(struct task_struct *task, unsigned long *esp, } stack = esp; - printk(log_lvl); for(i = 0; i < kstack_depth_to_print; i++) { if (kstack_end(stack)) break; diff --git a/arch/i386/mm/init.c b/arch/i386/mm/init.c index ae6534ad8161..3df1371d4520 100644 --- a/arch/i386/mm/init.c +++ b/arch/i386/mm/init.c @@ -651,7 +651,7 @@ void __init mem_init(void) * Specifically, in the case of x86, we will always add * memory to the highmem for now. */ -#ifdef CONFIG_HOTPLUG_MEMORY +#ifdef CONFIG_MEMORY_HOTPLUG #ifndef CONFIG_NEED_MULTIPLE_NODES int add_memory(u64 start, u64 size) { diff --git a/arch/i386/oprofile/nmi_int.c b/arch/i386/oprofile/nmi_int.c index 1a2076ce6f6a..ec0fd3cfa774 100644 --- a/arch/i386/oprofile/nmi_int.c +++ b/arch/i386/oprofile/nmi_int.c @@ -332,10 +332,11 @@ static int __init ppro_init(char ** cpu_type) { __u8 cpu_model = boot_cpu_data.x86_model; - if (cpu_model > 0xd) + if (cpu_model == 14) + *cpu_type = "i386/core"; + else if (cpu_model > 0xd) return 0; - - if (cpu_model == 9) { + else if (cpu_model == 9) { *cpu_type = "i386/p6_mobile"; } else if (cpu_model > 5) { *cpu_type = "i386/piii"; diff --git a/arch/i386/power/cpu.c b/arch/i386/power/cpu.c index 50a0bef8c85f..79b2370c7fac 100644 --- a/arch/i386/power/cpu.c +++ b/arch/i386/power/cpu.c @@ -92,7 +92,7 @@ void __restore_processor_state(struct saved_context *ctxt) write_cr4(ctxt->cr4); write_cr3(ctxt->cr3); write_cr2(ctxt->cr2); - write_cr2(ctxt->cr0); + write_cr0(ctxt->cr0); /* * now restore the descriptor tables to their proper values diff --git a/arch/ia64/configs/sn2_defconfig b/arch/ia64/configs/sn2_defconfig index f6a8853cd1b4..9ea35398e10d 100644 --- a/arch/ia64/configs/sn2_defconfig +++ b/arch/ia64/configs/sn2_defconfig @@ -134,7 +134,7 @@ CONFIG_ARCH_FLATMEM_ENABLE=y CONFIG_ARCH_SPARSEMEM_ENABLE=y CONFIG_ARCH_DISCONTIGMEM_DEFAULT=y CONFIG_NUMA=y -CONFIG_NODES_SHIFT=8 +CONFIG_NODES_SHIFT=10 CONFIG_VIRTUAL_MEM_MAP=y CONFIG_HOLES_IN_ZONE=y CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y @@ -1159,7 +1159,7 @@ CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_SCHEDSTATS is not set # CONFIG_DEBUG_SLAB is not set CONFIG_DEBUG_PREEMPT=y -CONFIG_DEBUG_MUTEXES=y +# CONFIG_DEBUG_MUTEXES is not set # CONFIG_DEBUG_SPINLOCK is not set # CONFIG_DEBUG_SPINLOCK_SLEEP is not set # CONFIG_DEBUG_KOBJECT is not set diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c index 7956eb9058fc..d58c1c5c903a 100644 --- a/arch/ia64/kernel/iosapic.c +++ b/arch/ia64/kernel/iosapic.c @@ -416,7 +416,7 @@ iosapic_end_level_irq (unsigned int irq) ia64_vector vec = irq_to_vector(irq); struct iosapic_rte_info *rte; - move_irq(irq); + move_native_irq(irq); list_for_each_entry(rte, &iosapic_intr_info[vec].rtes, rte_list) iosapic_eoi(rte->addr, vec); } @@ -458,7 +458,7 @@ iosapic_ack_edge_irq (unsigned int irq) { irq_desc_t *idesc = irq_descp(irq); - move_irq(irq); + move_native_irq(irq); /* * Once we have recorded IRQ_PENDING already, we can mask the * interrupt for real. This prevents IRQ storms from unhandled diff --git a/arch/ia64/kernel/irq.c b/arch/ia64/kernel/irq.c index 5ce908ef9c95..9c72ea3f6432 100644 --- a/arch/ia64/kernel/irq.c +++ b/arch/ia64/kernel/irq.c @@ -101,7 +101,6 @@ void set_irq_affinity_info (unsigned int irq, int hwid, int redir) if (irq < NR_IRQS) { irq_affinity[irq] = mask; - set_irq_info(irq, mask); irq_redir[irq] = (char) (redir & 0xff); } } diff --git a/arch/ia64/lib/memcpy_mck.S b/arch/ia64/lib/memcpy_mck.S index 46c9331e7ab5..9e534d52b1d5 100644 --- a/arch/ia64/lib/memcpy_mck.S +++ b/arch/ia64/lib/memcpy_mck.S @@ -6,7 +6,9 @@ * in1: source address * in2: number of bytes to copy * Output: - * 0 if success, or number of byte NOT copied if error occurred. + * for memcpy: return dest + * for copy_user: return 0 if success, + * or number of byte NOT copied if error occurred. * * Copyright (C) 2002 Intel Corp. * Copyright (C) 2002 Ken Chen <kenneth.w.chen@intel.com> @@ -73,6 +75,7 @@ GLOBAL_ENTRY(memcpy) and r28=0x7,in0 and r29=0x7,in1 mov f6=f0 + mov retval=in0 br.cond.sptk .common_code ;; END(memcpy) @@ -84,7 +87,7 @@ GLOBAL_ENTRY(__copy_user) mov f6=f1 mov saved_in0=in0 // save dest pointer mov saved_in1=in1 // save src pointer - mov saved_in2=in2 // save len + mov retval=r0 // initialize return value ;; .common_code: cmp.gt p15,p0=8,in2 // check for small size @@ -92,7 +95,7 @@ GLOBAL_ENTRY(__copy_user) cmp.ne p14,p0=0,r29 // check src alignment add src0=0,in1 sub r30=8,r28 // for .align_dest - mov retval=r0 // initialize return value + mov saved_in2=in2 // save len ;; add dst0=0,in0 add dst1=1,in0 // dest odd index diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index 078fb5533541..2d80653aa2af 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -1636,7 +1636,7 @@ static int __init prom_find_machine_type(void) compat, sizeof(compat)-1); if (len <= 0) return PLATFORM_GENERIC; - if (strncmp(compat, RELOC("chrp"), 4)) + if (strcmp(compat, RELOC("chrp"))) return PLATFORM_GENERIC; /* Default to pSeries. We need to know if we are running LPAR */ diff --git a/arch/powerpc/kernel/systbl.S b/arch/powerpc/kernel/systbl.S index cf56a1d499ff..26ed1f5ef16e 100644 --- a/arch/powerpc/kernel/systbl.S +++ b/arch/powerpc/kernel/systbl.S @@ -338,6 +338,8 @@ SYSCALL(symlinkat) SYSCALL(readlinkat) SYSCALL(fchmodat) SYSCALL(faccessat) +COMPAT_SYS(get_robust_list) +COMPAT_SYS(set_robust_list) /* * please add new calls to arch/powerpc/platforms/cell/spu_callbacks.c diff --git a/arch/powerpc/platforms/cell/spu_callbacks.c b/arch/powerpc/platforms/cell/spu_callbacks.c index 95b36430aa0f..b47fcc5ddb78 100644 --- a/arch/powerpc/platforms/cell/spu_callbacks.c +++ b/arch/powerpc/platforms/cell/spu_callbacks.c @@ -258,6 +258,7 @@ void *spu_syscall_table[] = { [__NR_futex] sys_futex, [__NR_sched_setaffinity] sys_sched_setaffinity, [__NR_sched_getaffinity] sys_sched_getaffinity, + [224] sys_ni_syscall, [__NR_tuxcall] sys_ni_syscall, [226] sys_ni_syscall, [__NR_io_setup] sys_io_setup, @@ -332,19 +333,21 @@ void *spu_syscall_table[] = { [__NR_readlinkat] sys_readlinkat, [__NR_fchmodat] sys_fchmodat, [__NR_faccessat] sys_faccessat, + [__NR_get_robust_list] sys_get_robust_list, + [__NR_set_robust_list] sys_set_robust_list, }; long spu_sys_callback(struct spu_syscall_block *s) { long (*syscall)(u64 a1, u64 a2, u64 a3, u64 a4, u64 a5, u64 a6); - syscall = spu_syscall_table[s->nr_ret]; - if (s->nr_ret >= ARRAY_SIZE(spu_syscall_table)) { pr_debug("%s: invalid syscall #%ld", __FUNCTION__, s->nr_ret); return -ENOSYS; } + syscall = spu_syscall_table[s->nr_ret]; + #ifdef DEBUG print_symbol(KERN_DEBUG "SPU-syscall %s:", (unsigned long)syscall); printk("syscall%ld(%lx, %lx, %lx, %lx, %lx, %lx)\n", diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 5eb55ef1c91c..5f79f01c44f2 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -255,7 +255,7 @@ static int __init pSeries_init_panel(void) { /* Manually leave the kernel version on the panel. */ ppc_md.progress("Linux ppc64\n", 0); - ppc_md.progress(system_utsname.version, 0); + ppc_md.progress(system_utsname.release, 0); return 0; } diff --git a/arch/ppc/kernel/head_8xx.S b/arch/ppc/kernel/head_8xx.S index ec53c7d65f2b..7a2f20583be4 100644 --- a/arch/ppc/kernel/head_8xx.S +++ b/arch/ppc/kernel/head_8xx.S @@ -355,9 +355,7 @@ InstructionTLBMiss: . = 0x1200 DataStoreTLBMiss: -#ifdef CONFIG_8xx_CPU6 stw r3, 8(r0) -#endif DO_8xx_CPU6(0x3f80, r3) mtspr SPRN_M_TW, r10 /* Save a couple of working registers */ mfcr r10 @@ -417,9 +415,7 @@ DataStoreTLBMiss: lwz r11, 0(r0) mtcr r11 lwz r11, 4(r0) -#ifdef CONFIG_8xx_CPU6 lwz r3, 8(r0) -#endif rfi /* This is an instruction TLB error on the MPC8xx. This could be due diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S index ef5b9c44b86b..4d53b2739357 100644 --- a/arch/s390/kernel/compat_wrapper.S +++ b/arch/s390/kernel/compat_wrapper.S @@ -1650,3 +1650,11 @@ sys_tee_wrapper: llgfr %r4,%r4 # size_t llgfr %r5,%r5 # unsigned int jg sys_tee + + .globl compat_sys_vmsplice_wrapper +compat_sys_vmsplice_wrapper: + lgfr %r2,%r2 # int + llgtr %r3,%r3 # compat_iovec * + llgfr %r4,%r4 # unsigned int + llgfr %r5,%r5 # unsigned int + jg compat_sys_vmsplice diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S index fc2c0767202b..93be1d56c036 100644 --- a/arch/s390/kernel/syscalls.S +++ b/arch/s390/kernel/syscalls.S @@ -317,3 +317,4 @@ SYSCALL(sys_get_robust_list,sys_get_robust_list,compat_sys_get_robust_list_wrapp SYSCALL(sys_splice,sys_splice,sys_splice_wrapper) SYSCALL(sys_sync_file_range,sys_sync_file_range,sys_sync_file_range_wrapper) SYSCALL(sys_tee,sys_tee,sys_tee_wrapper) +SYSCALL(sys_vmsplice,sys_vmsplice,compat_sys_vmsplice_wrapper) diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c index fea043b69b91..ce19ad4e92ec 100644 --- a/arch/s390/kernel/time.c +++ b/arch/s390/kernel/time.c @@ -249,18 +249,19 @@ static inline void stop_hz_timer(void) unsigned long flags; unsigned long seq, next; __u64 timer, todval; + int cpu = smp_processor_id(); if (sysctl_hz_timer != 0) return; - cpu_set(smp_processor_id(), nohz_cpu_mask); + cpu_set(cpu, nohz_cpu_mask); /* * Leave the clock comparator set up for the next timer * tick if either rcu or a softirq is pending. */ - if (rcu_pending(smp_processor_id()) || local_softirq_pending()) { - cpu_clear(smp_processor_id(), nohz_cpu_mask); + if (rcu_needs_cpu(cpu) || local_softirq_pending()) { + cpu_clear(cpu, nohz_cpu_mask); return; } @@ -271,7 +272,7 @@ static inline void stop_hz_timer(void) next = next_timer_interrupt(); do { seq = read_seqbegin_irqsave(&xtime_lock, flags); - timer = (__u64)(next - jiffies) + jiffies_64; + timer = (__u64 next) - (__u64 jiffies) + jiffies_64; } while (read_seqretry_irqrestore(&xtime_lock, seq, flags)); todval = -1ULL; /* Be careful about overflows. */ diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c index 460f72e640e6..f9ff29734848 100644 --- a/arch/sparc/kernel/ioport.c +++ b/arch/sparc/kernel/ioport.c @@ -274,6 +274,11 @@ void *sbus_alloc_consistent(struct sbus_dev *sdev, long len, u32 *dma_addrp) if (mmu_map_dma_area(dma_addrp, va, res->start, len_total) != 0) goto err_noiommu; + /* Set the resource name, if known. */ + if (sdev) { + res->name = sdev->prom_name; + } + return (void *)res->start; err_noiommu: diff --git a/arch/sparc/kernel/module.c b/arch/sparc/kernel/module.c index 787d5f1347ec..598682f31ebf 100644 --- a/arch/sparc/kernel/module.c +++ b/arch/sparc/kernel/module.c @@ -113,6 +113,7 @@ int apply_relocate_add(Elf32_Shdr *sechdrs, switch (ELF32_R_TYPE(rel[i].r_info)) { case R_SPARC_32: + case R_SPARC_UA32: location[0] = v >> 24; location[1] = v >> 16; location[2] = v >> 8; diff --git a/arch/sparc/kernel/sparc_ksyms.c b/arch/sparc/kernel/sparc_ksyms.c index ec1c9687d679..4b376fae752c 100644 --- a/arch/sparc/kernel/sparc_ksyms.c +++ b/arch/sparc/kernel/sparc_ksyms.c @@ -251,19 +251,9 @@ EXPORT_SYMBOL(__prom_getchild); EXPORT_SYMBOL(__prom_getsibling); /* sparc library symbols */ -EXPORT_SYMBOL(memchr); EXPORT_SYMBOL(memscan); EXPORT_SYMBOL(strlen); -EXPORT_SYMBOL(strnlen); -EXPORT_SYMBOL(strcpy); -EXPORT_SYMBOL(strncpy); -EXPORT_SYMBOL(strcat); -EXPORT_SYMBOL(strncat); -EXPORT_SYMBOL(strcmp); EXPORT_SYMBOL(strncmp); -EXPORT_SYMBOL(strchr); -EXPORT_SYMBOL(strrchr); -EXPORT_SYMBOL(strstr); EXPORT_SYMBOL(page_kernel); /* Special internal versions of library functions. */ @@ -317,6 +307,3 @@ EXPORT_SYMBOL(do_BUG); /* Sun Power Management Idle Handler */ EXPORT_SYMBOL(pm_idle); - -/* Binfmt_misc needs this */ -EXPORT_SYMBOL(sys_close); diff --git a/arch/sparc/kernel/systbls.S b/arch/sparc/kernel/systbls.S index 6e1135cc03b0..2856551bddf1 100644 --- a/arch/sparc/kernel/systbls.S +++ b/arch/sparc/kernel/systbls.S @@ -79,6 +79,7 @@ sys_call_table: /*285*/ .long sys_mkdirat, sys_mknodat, sys_fchownat, sys_futimesat, sys_fstatat64 /*290*/ .long sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat /*295*/ .long sys_fchmodat, sys_faccessat, sys_pselect6, sys_ppoll, sys_unshare +/*300*/ .long sys_set_robust_list, sys_get_robust_list #ifdef CONFIG_SUNOS_EMUL /* Now the SunOS syscall table. */ @@ -190,6 +191,6 @@ sunos_sys_table: /*290*/ .long sunos_nosys, sunos_nosys, sunos_nosys .long sunos_nosys, sunos_nosys, sunos_nosys .long sunos_nosys, sunos_nosys, sunos_nosys - .long sunos_nosys + .long sunos_nosys, sunos_nosys, sunos_nosys #endif diff --git a/arch/sparc64/defconfig b/arch/sparc64/defconfig index 1317380fa937..f09a70b8aabd 100644 --- a/arch/sparc64/defconfig +++ b/arch/sparc64/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.16 -# Sun Apr 2 19:31:04 2006 +# Linux kernel version: 2.6.17-rc3 +# Fri May 12 12:43:49 2006 # CONFIG_SPARC=y CONFIG_SPARC64=y @@ -114,6 +114,7 @@ CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_HUGETLB_PAGE_SIZE_4MB=y # CONFIG_HUGETLB_PAGE_SIZE_512K is not set # CONFIG_HUGETLB_PAGE_SIZE_64K is not set +CONFIG_ARCH_SELECT_MEMORY_MODEL=y CONFIG_ARCH_SPARSEMEM_ENABLE=y CONFIG_ARCH_SPARSEMEM_DEFAULT=y CONFIG_LARGE_ALLOCS=y @@ -430,7 +431,6 @@ CONFIG_ISCSI_TCP=m # CONFIG_SCSI_INIA100 is not set # CONFIG_SCSI_SYM53C8XX_2 is not set # CONFIG_SCSI_IPR is not set -# CONFIG_SCSI_QLOGIC_FC is not set # CONFIG_SCSI_QLOGIC_1280 is not set # CONFIG_SCSI_QLOGICPTI is not set # CONFIG_SCSI_QLA_FC is not set @@ -1042,9 +1042,7 @@ CONFIG_USB_HIDDEV=y # CONFIG_USB_ACECAD is not set # CONFIG_USB_KBTAB is not set # CONFIG_USB_POWERMATE is not set -# CONFIG_USB_MTOUCH is not set -# CONFIG_USB_ITMTOUCH is not set -# CONFIG_USB_EGALAX is not set +# CONFIG_USB_TOUCHSCREEN is not set # CONFIG_USB_YEALINK is not set # CONFIG_USB_XPAD is not set # CONFIG_USB_ATI_REMOTE is not set @@ -1115,6 +1113,14 @@ CONFIG_USB_HIDDEV=y # CONFIG_NEW_LEDS is not set # +# LED drivers +# + +# +# LED Triggers +# + +# # InfiniBand support # # CONFIG_INFINIBAND is not set @@ -1303,6 +1309,7 @@ CONFIG_DEBUG_BUGVERBOSE=y # CONFIG_DEBUG_INFO is not set CONFIG_DEBUG_FS=y # CONFIG_DEBUG_VM is not set +# CONFIG_UNWIND_INFO is not set CONFIG_FORCED_INLINING=y # CONFIG_RCU_TORTURE_TEST is not set # CONFIG_DEBUG_STACK_USAGE is not set diff --git a/arch/sparc64/kernel/module.c b/arch/sparc64/kernel/module.c index 6c83e372f75d..579871527699 100644 --- a/arch/sparc64/kernel/module.c +++ b/arch/sparc64/kernel/module.c @@ -143,6 +143,11 @@ int apply_relocate_add(Elf64_Shdr *sechdrs, location[3] = v >> 0; break; + case R_SPARC_DISP32: + v -= (Elf64_Addr) location; + *loc32 = v; + break; + case R_SPARC_WDISP30: v -= (Elf64_Addr) location; *loc32 = (*loc32 & ~0x3fffffff) | diff --git a/arch/sparc64/kernel/pci_iommu.c b/arch/sparc64/kernel/pci_iommu.c index 8efbc139769d..82e5455134c6 100644 --- a/arch/sparc64/kernel/pci_iommu.c +++ b/arch/sparc64/kernel/pci_iommu.c @@ -218,7 +218,7 @@ static inline void iommu_free_ctx(struct pci_iommu *iommu, int ctx) * DMA for PCI device PDEV. Return non-NULL cpu-side address if * successful and set *DMA_ADDRP to the PCI side dma address. */ -static void *pci_4u_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr_t *dma_addrp) +static void *pci_4u_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr_t *dma_addrp, gfp_t gfp) { struct pcidev_cookie *pcp; struct pci_iommu *iommu; @@ -232,7 +232,7 @@ static void *pci_4u_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr if (order >= 10) return NULL; - first_page = __get_free_pages(GFP_ATOMIC, order); + first_page = __get_free_pages(gfp, order); if (first_page == 0UL) return NULL; memset((char *)first_page, 0, PAGE_SIZE << order); diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c index 9e94db2573a2..2b7a1f316a93 100644 --- a/arch/sparc64/kernel/pci_sun4v.c +++ b/arch/sparc64/kernel/pci_sun4v.c @@ -154,7 +154,7 @@ static void pci_arena_free(struct pci_iommu_arena *arena, unsigned long base, un __clear_bit(i, arena->map); } -static void *pci_4v_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr_t *dma_addrp) +static void *pci_4v_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr_t *dma_addrp, gfp_t gfp) { struct pcidev_cookie *pcp; struct pci_iommu *iommu; @@ -169,7 +169,7 @@ static void *pci_4v_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr npages = size >> IO_PAGE_SHIFT; - first_page = __get_free_pages(GFP_ATOMIC, order); + first_page = __get_free_pages(gfp, order); if (unlikely(first_page == 0UL)) return NULL; diff --git a/arch/sparc64/kernel/systbls.S b/arch/sparc64/kernel/systbls.S index d4b39cd30310..1136fc465e37 100644 --- a/arch/sparc64/kernel/systbls.S +++ b/arch/sparc64/kernel/systbls.S @@ -78,8 +78,9 @@ sys_call_table32: .word compat_sys_mq_timedsend, compat_sys_mq_timedreceive, compat_sys_mq_notify, compat_sys_mq_getsetattr, compat_sys_waitid /*280*/ .word sys32_tee, sys_add_key, sys_request_key, sys_keyctl, compat_sys_openat .word sys_mkdirat, sys_mknodat, sys_fchownat, compat_sys_futimesat, compat_sys_fstatat64 -/*285*/ .word sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat +/*290*/ .word sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat .word sys_fchmodat, sys_faccessat, compat_sys_pselect6, compat_sys_ppoll, sys_unshare +/*300*/ .word compat_sys_set_robust_list, compat_sys_get_robust_list #endif /* CONFIG_COMPAT */ @@ -147,8 +148,9 @@ sys_call_table: .word sys_mq_timedsend, sys_mq_timedreceive, sys_mq_notify, sys_mq_getsetattr, sys_waitid /*280*/ .word sys_tee, sys_add_key, sys_request_key, sys_keyctl, sys_openat .word sys_mkdirat, sys_mknodat, sys_fchownat, sys_futimesat, sys_fstatat64 -/*285*/ .word sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat +/*290*/ .word sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat .word sys_fchmodat, sys_faccessat, sys_pselect6, sys_ppoll, sys_unshare +/*300*/ .word sys_set_robust_list, sys_get_robust_list #if defined(CONFIG_SUNOS_EMUL) || defined(CONFIG_SOLARIS_EMUL) || \ defined(CONFIG_SOLARIS_EMUL_MODULE) @@ -261,5 +263,5 @@ sunos_sys_table: /*290*/ .word sunos_nosys, sunos_nosys, sunos_nosys .word sunos_nosys, sunos_nosys, sunos_nosys .word sunos_nosys, sunos_nosys, sunos_nosys - .word sunos_nosys + .word sunos_nosys, sunos_nosys, sunos_nosys #endif diff --git a/arch/x86_64/kernel/e820.c b/arch/x86_64/kernel/e820.c index 62776c07cff1..222b5b46d2b2 100644 --- a/arch/x86_64/kernel/e820.c +++ b/arch/x86_64/kernel/e820.c @@ -76,6 +76,12 @@ static inline int bad_addr(unsigned long *addrp, unsigned long size) *addrp = __pa_symbol(&_end); return 1; } + + if (last >= ebda_addr && addr < ebda_addr + ebda_size) { + *addrp = ebda_addr + ebda_size; + return 1; + } + /* XXX ramdisk image here? */ return 0; } diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c index 77b4c608cca0..0de3ea938830 100644 --- a/arch/x86_64/kernel/io_apic.c +++ b/arch/x86_64/kernel/io_apic.c @@ -1777,6 +1777,8 @@ static inline void unlock_ExtINT_logic(void) spin_unlock_irqrestore(&ioapic_lock, flags); } +int timer_uses_ioapic_pin_0; + /* * This code may look a bit paranoid, but it's supposed to cooperate with * a wide range of boards and BIOS bugs. Fortunately only the timer IRQ @@ -1814,6 +1816,9 @@ static inline void check_timer(void) pin2 = ioapic_i8259.pin; apic2 = ioapic_i8259.apic; + if (pin1 == 0) + timer_uses_ioapic_pin_0 = 1; + apic_printk(APIC_VERBOSE,KERN_INFO "..TIMER: vector=0x%02X apic1=%d pin1=%d apic2=%d pin2=%d\n", vector, apic1, pin1, apic2, pin2); diff --git a/arch/x86_64/kernel/kprobes.c b/arch/x86_64/kernel/kprobes.c index 1eaa5dae6174..fa1d19ca700a 100644 --- a/arch/x86_64/kernel/kprobes.c +++ b/arch/x86_64/kernel/kprobes.c @@ -514,13 +514,13 @@ static void __kprobes resume_execution(struct kprobe *p, *tos = orig_rip + (*tos - copy_rip); break; case 0xff: - if ((*insn & 0x30) == 0x10) { + if ((insn[1] & 0x30) == 0x10) { /* call absolute, indirect */ /* Fix return addr; rip is correct. */ next_rip = regs->rip; *tos = orig_rip + (*tos - copy_rip); - } else if (((*insn & 0x31) == 0x20) || /* jmp near, absolute indirect */ - ((*insn & 0x31) == 0x21)) { /* jmp far, absolute indirect */ + } else if (((insn[1] & 0x31) == 0x20) || /* jmp near, absolute indirect */ + ((insn[1] & 0x31) == 0x21)) { /* jmp far, absolute indirect */ /* rip is correct. */ next_rip = regs->rip; } diff --git a/arch/x86_64/kernel/mpparse.c b/arch/x86_64/kernel/mpparse.c index b17cf3eba359..083da7e606b1 100644 --- a/arch/x86_64/kernel/mpparse.c +++ b/arch/x86_64/kernel/mpparse.c @@ -968,7 +968,17 @@ int mp_register_gsi(u32 gsi, int triggering, int polarity) */ int irq = gsi; if (gsi < MAX_GSI_NUM) { - if (gsi > 15) + /* + * Retain the VIA chipset work-around (gsi > 15), but + * avoid a problem where the 8254 timer (IRQ0) is setup + * via an override (so it's not on pin 0 of the ioapic), + * and at the same time, the pin 0 interrupt is a PCI + * type. The gsi > 15 test could cause these two pins + * to be shared as IRQ0, and they are not shareable. + * So test for this condition, and if necessary, avoid + * the pin collision. + */ + if (gsi > 15 || (gsi == 0 && !timer_uses_ioapic_pin_0)) gsi = pci_irq++; /* * Don't assign IRQ used by ACPI SCI diff --git a/arch/x86_64/kernel/pci-gart.c b/arch/x86_64/kernel/pci-gart.c index 9d3d76c85ae7..2480d3f08a47 100644 --- a/arch/x86_64/kernel/pci-gart.c +++ b/arch/x86_64/kernel/pci-gart.c @@ -639,6 +639,14 @@ static int __init pci_iommu_init(void) return -1; } + i = 0; + for_all_nb(dev) + i++; + if (i > MAX_NB) { + printk(KERN_ERR "PCI-GART: Too many northbridges (%ld). Disabled\n", i); + return -1; + } + printk(KERN_INFO "PCI-DMA: using GART IOMMU.\n"); aper_size = info.aper_size * 1024 * 1024; iommu_size = check_iommu_size(info.aper_base, aper_size); diff --git a/arch/x86_64/kernel/pci-nommu.c b/arch/x86_64/kernel/pci-nommu.c index 44adcc2d5e5b..1f6ecc62061d 100644 --- a/arch/x86_64/kernel/pci-nommu.c +++ b/arch/x86_64/kernel/pci-nommu.c @@ -12,9 +12,10 @@ static int check_addr(char *name, struct device *hwdev, dma_addr_t bus, size_t size) { if (hwdev && bus + size > *hwdev->dma_mask) { - printk(KERN_ERR - "nommu_%s: overflow %Lx+%lu of device mask %Lx\n", - name, (long long)bus, size, (long long)*hwdev->dma_mask); + if (*hwdev->dma_mask >= 0xffffffffULL) + printk(KERN_ERR + "nommu_%s: overflow %Lx+%lu of device mask %Lx\n", + name, (long long)bus, size, (long long)*hwdev->dma_mask); return 0; } return 1; diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c index ebc3c33b1c6c..f0870bef24d1 100644 --- a/arch/x86_64/kernel/setup.c +++ b/arch/x86_64/kernel/setup.c @@ -571,17 +571,28 @@ static inline void copy_edd(void) #endif #define EBDA_ADDR_POINTER 0x40E -static void __init reserve_ebda_region(void) + +unsigned __initdata ebda_addr; +unsigned __initdata ebda_size; + +static void discover_ebda(void) { - unsigned int addr; - /** + /* * there is a real-mode segmented pointer pointing to the * 4K EBDA area at 0x40E */ - addr = *(unsigned short *)phys_to_virt(EBDA_ADDR_POINTER); - addr <<= 4; - if (addr) - reserve_bootmem_generic(addr, PAGE_SIZE); + ebda_addr = *(unsigned short *)EBDA_ADDR_POINTER; + ebda_addr <<= 4; + + ebda_size = *(unsigned short *)(unsigned long)ebda_addr; + + /* Round EBDA up to pages */ + if (ebda_size == 0) + ebda_size = 1; + ebda_size <<= 10; + ebda_size = round_up(ebda_size + (ebda_addr & ~PAGE_MASK), PAGE_SIZE); + if (ebda_size > 64*1024) + ebda_size = 64*1024; } void __init setup_arch(char **cmdline_p) @@ -627,6 +638,8 @@ void __init setup_arch(char **cmdline_p) check_efer(); + discover_ebda(); + init_memory_mapping(0, (end_pfn_map << PAGE_SHIFT)); dmi_scan_machine(); @@ -669,7 +682,8 @@ void __init setup_arch(char **cmdline_p) reserve_bootmem_generic(0, PAGE_SIZE); /* reserve ebda region */ - reserve_ebda_region(); + if (ebda_addr) + reserve_bootmem_generic(ebda_addr, ebda_size); #ifdef CONFIG_SMP /* diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c index 2700b1375c1f..cea335e8746c 100644 --- a/arch/x86_64/kernel/traps.c +++ b/arch/x86_64/kernel/traps.c @@ -102,6 +102,8 @@ static inline void preempt_conditional_cli(struct pt_regs *regs) { if (regs->eflags & X86_EFLAGS_IF) local_irq_disable(); + /* Make sure to not schedule here because we could be running + on an exception stack. */ preempt_enable_no_resched(); } @@ -385,6 +387,7 @@ void out_of_line_bug(void) static DEFINE_SPINLOCK(die_lock); static int die_owner = -1; +static unsigned int die_nest_count; unsigned __kprobes long oops_begin(void) { @@ -399,6 +402,7 @@ unsigned __kprobes long oops_begin(void) else spin_lock(&die_lock); } + die_nest_count++; die_owner = cpu; console_verbose(); bust_spinlocks(1); @@ -409,7 +413,13 @@ void __kprobes oops_end(unsigned long flags) { die_owner = -1; bust_spinlocks(0); - spin_unlock_irqrestore(&die_lock, flags); + die_nest_count--; + if (die_nest_count) + /* We still own the lock */ + local_irq_restore(flags); + else + /* Nest count reaches zero, release the lock. */ + spin_unlock_irqrestore(&die_lock, flags); if (panic_on_oops) panic("Oops"); } @@ -464,6 +474,8 @@ void __kprobes die_nmi(char *str, struct pt_regs *regs) panic("nmi watchdog"); printk("console shuts up ...\n"); oops_end(flags); + nmi_exit(); + local_irq_enable(); do_exit(SIGSEGV); } @@ -473,8 +485,6 @@ static void __kprobes do_trap(int trapnr, int signr, char *str, { struct task_struct *tsk = current; - conditional_sti(regs); - tsk->thread.error_code = error_code; tsk->thread.trap_no = trapnr; @@ -511,6 +521,7 @@ asmlinkage void do_##name(struct pt_regs * regs, long error_code) \ if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \ == NOTIFY_STOP) \ return; \ + conditional_sti(regs); \ do_trap(trapnr, signr, str, regs, error_code, NULL); \ } @@ -525,6 +536,7 @@ asmlinkage void do_##name(struct pt_regs * regs, long error_code) \ if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \ == NOTIFY_STOP) \ return; \ + conditional_sti(regs); \ do_trap(trapnr, signr, str, regs, error_code, &info); \ } @@ -538,7 +550,17 @@ DO_ERROR(10, SIGSEGV, "invalid TSS", invalid_TSS) DO_ERROR(11, SIGBUS, "segment not present", segment_not_present) DO_ERROR_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0) DO_ERROR(18, SIGSEGV, "reserved", reserved) -DO_ERROR(12, SIGBUS, "stack segment", stack_segment) + +/* Runs on IST stack */ +asmlinkage void do_stack_segment(struct pt_regs *regs, long error_code) +{ + if (notify_die(DIE_TRAP, "stack segment", regs, error_code, + 12, SIGBUS) == NOTIFY_STOP) + return; + preempt_conditional_sti(regs); + do_trap(12, SIGBUS, "stack segment", regs, error_code, NULL); + preempt_conditional_cli(regs); +} asmlinkage void do_double_fault(struct pt_regs * regs, long error_code) { @@ -672,8 +694,9 @@ asmlinkage void __kprobes do_int3(struct pt_regs * regs, long error_code) if (notify_die(DIE_INT3, "int3", regs, error_code, 3, SIGTRAP) == NOTIFY_STOP) { return; } + preempt_conditional_sti(regs); do_trap(3, SIGTRAP, "int3", regs, error_code, NULL); - return; + preempt_conditional_cli(regs); } /* Help handler running on IST stack to switch back to user stack diff --git a/arch/x86_64/mm/srat.c b/arch/x86_64/mm/srat.c index 15ae9fcd65a7..e1513532df29 100644 --- a/arch/x86_64/mm/srat.c +++ b/arch/x86_64/mm/srat.c @@ -34,7 +34,10 @@ static nodemask_t nodes_found __initdata; static struct bootnode nodes[MAX_NUMNODES] __initdata; static struct bootnode nodes_add[MAX_NUMNODES] __initdata; static int found_add_area __initdata; -int hotadd_percent __initdata = 10; +int hotadd_percent __initdata = 0; +#ifndef RESERVE_HOTADD +#define hotadd_percent 0 /* Ignore all settings */ +#endif static u8 pxm2node[256] = { [0 ... 255] = 0xff }; /* Too small nodes confuse the VM badly. Usually they result @@ -103,6 +106,7 @@ static __init void bad_srat(void) int i; printk(KERN_ERR "SRAT: SRAT not used.\n"); acpi_numa = -1; + found_add_area = 0; for (i = 0; i < MAX_LOCAL_APIC; i++) apicid_to_node[i] = NUMA_NO_NODE; for (i = 0; i < MAX_NUMNODES; i++) @@ -154,7 +158,8 @@ acpi_numa_processor_affinity_init(struct acpi_table_processor_affinity *pa) int pxm, node; if (srat_disabled()) return; - if (pa->header.length != sizeof(struct acpi_table_processor_affinity)) { bad_srat(); + if (pa->header.length != sizeof(struct acpi_table_processor_affinity)) { + bad_srat(); return; } if (pa->flags.enabled == 0) @@ -191,15 +196,17 @@ static int hotadd_enough_memory(struct bootnode *nd) allowed = (end_pfn - e820_hole_size(0, end_pfn)) * PAGE_SIZE; allowed = (allowed / 100) * hotadd_percent; if (allocated + mem > allowed) { + unsigned long range; /* Give them at least part of their hotadd memory upto hotadd_percent It would be better to spread the limit out over multiple hotplug areas, but that is too complicated right now */ if (allocated >= allowed) return 0; - pages = (allowed - allocated + mem) / sizeof(struct page); + range = allowed - allocated; + pages = (range / PAGE_SIZE); mem = pages * sizeof(struct page); - nd->end = nd->start + pages*PAGE_SIZE; + nd->end = nd->start + range; } /* Not completely fool proof, but a good sanity check */ addr = find_e820_area(last_area_end, end_pfn<<PAGE_SHIFT, mem); diff --git a/block/elevator.c b/block/elevator.c index 29825792cbd5..8768a367fdde 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -333,6 +333,7 @@ void elv_insert(request_queue_t *q, struct request *rq, int where) { struct list_head *pos; unsigned ordseq; + int unplug_it = 1; blk_add_trace_rq(q, rq, BLK_TA_INSERT); @@ -399,6 +400,11 @@ void elv_insert(request_queue_t *q, struct request *rq, int where) } list_add_tail(&rq->queuelist, pos); + /* + * most requeues happen because of a busy condition, don't + * force unplug of the queue for that case. + */ + unplug_it = 0; break; default: @@ -407,7 +413,7 @@ void elv_insert(request_queue_t *q, struct request *rq, int where) BUG(); } - if (blk_queue_plugged(q)) { + if (unplug_it && blk_queue_plugged(q)) { int nrq = q->rq.count[READ] + q->rq.count[WRITE] - q->in_flight; diff --git a/block/genhd.c b/block/genhd.c index d96572589621..5a8d3bf02f17 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -182,7 +182,6 @@ static int exact_lock(dev_t dev, void *data) */ void add_disk(struct gendisk *disk) { - get_device(disk->driverfs_dev); disk->flags |= GENHD_FL_UP; blk_register_region(MKDEV(disk->major, disk->first_minor), disk->minors, NULL, exact_match, exact_lock, disk); @@ -428,7 +427,6 @@ static struct attribute * default_attrs[] = { static void disk_release(struct kobject * kobj) { struct gendisk *disk = to_disk(kobj); - put_device(disk->driverfs_dev); kfree(disk->random); kfree(disk->part); free_disk_stats(disk); diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c index e5041a02e21f..7eb36c53f4b7 100644 --- a/block/ll_rw_blk.c +++ b/block/ll_rw_blk.c @@ -1732,8 +1732,21 @@ void blk_run_queue(struct request_queue *q) spin_lock_irqsave(q->queue_lock, flags); blk_remove_plug(q); - if (!elv_queue_empty(q)) - q->request_fn(q); + + /* + * Only recurse once to avoid overrunning the stack, let the unplug + * handling reinvoke the handler shortly if we already got there. + */ + if (!elv_queue_empty(q)) { + if (!test_and_set_bit(QUEUE_FLAG_REENTER, &q->queue_flags)) { + q->request_fn(q); + clear_bit(QUEUE_FLAG_REENTER, &q->queue_flags); + } else { + blk_plug_device(q); + kblockd_schedule_work(&q->unplug_work); + } + } + spin_unlock_irqrestore(q->queue_lock, flags); } EXPORT_SYMBOL(blk_run_queue); @@ -3439,7 +3452,12 @@ void end_that_request_last(struct request *req, int uptodate) if (unlikely(laptop_mode) && blk_fs_request(req)) laptop_io_completion(); - if (disk && blk_fs_request(req)) { + /* + * Account IO completion. bar_rq isn't accounted as a normal + * IO on queueing nor completion. Accounting the containing + * request is enough. + */ + if (disk && blk_fs_request(req) && req != &req->q->bar_rq) { unsigned long duration = jiffies - req->start_time; const int rw = rq_data_dir(req); diff --git a/drivers/base/class.c b/drivers/base/class.c index 0e71dff327cd..b1ea4df85c7d 100644 --- a/drivers/base/class.c +++ b/drivers/base/class.c @@ -456,6 +456,35 @@ static void class_device_remove_attrs(struct class_device * cd) } } +static int class_device_add_groups(struct class_device * cd) +{ + int i; + int error = 0; + + if (cd->groups) { + for (i = 0; cd->groups[i]; i++) { + error = sysfs_create_group(&cd->kobj, cd->groups[i]); + if (error) { + while (--i >= 0) + sysfs_remove_group(&cd->kobj, cd->groups[i]); + goto out; + } + } + } +out: + return error; +} + +static void class_device_remove_groups(struct class_device * cd) +{ + int i; + if (cd->groups) { + for (i = 0; cd->groups[i]; i++) { + sysfs_remove_group(&cd->kobj, cd->groups[i]); + } + } +} + static ssize_t show_dev(struct class_device *class_dev, char *buf) { return print_dev_t(buf, class_dev->devt); @@ -559,6 +588,8 @@ int class_device_add(struct class_device *class_dev) class_name); } + class_device_add_groups(class_dev); + kobject_uevent(&class_dev->kobj, KOBJ_ADD); /* notify any interfaces this device is now here */ @@ -672,6 +703,7 @@ void class_device_del(struct class_device *class_dev) if (class_dev->devt_attr) class_device_remove_file(class_dev, class_dev->devt_attr); class_device_remove_attrs(class_dev); + class_device_remove_groups(class_dev); kobject_uevent(&class_dev->kobj, KOBJ_REMOVE); kobject_del(&class_dev->kobj); diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c index 472318205236..0c99ae6a3407 100644 --- a/drivers/base/firmware_class.c +++ b/drivers/base/firmware_class.c @@ -86,18 +86,9 @@ firmware_timeout_store(struct class *class, const char *buf, size_t count) static CLASS_ATTR(timeout, 0644, firmware_timeout_show, firmware_timeout_store); static void fw_class_dev_release(struct class_device *class_dev); -int firmware_class_uevent(struct class_device *dev, char **envp, - int num_envp, char *buffer, int buffer_size); -static struct class firmware_class = { - .name = "firmware", - .uevent = firmware_class_uevent, - .release = fw_class_dev_release, -}; - -int -firmware_class_uevent(struct class_device *class_dev, char **envp, - int num_envp, char *buffer, int buffer_size) +static int firmware_class_uevent(struct class_device *class_dev, char **envp, + int num_envp, char *buffer, int buffer_size) { struct firmware_priv *fw_priv = class_get_devdata(class_dev); int i = 0, len = 0; @@ -116,6 +107,12 @@ firmware_class_uevent(struct class_device *class_dev, char **envp, return 0; } +static struct class firmware_class = { + .name = "firmware", + .uevent = firmware_class_uevent, + .release = fw_class_dev_release, +}; + static ssize_t firmware_loading_show(struct class_device *class_dev, char *buf) { @@ -493,25 +490,6 @@ release_firmware(const struct firmware *fw) } } -/** - * register_firmware: - provide a firmware image for later usage - * @name: name of firmware image file - * @data: buffer pointer for the firmware image - * @size: size of the data buffer area - * - * Make sure that @data will be available by requesting firmware @name. - * - * Note: This will not be possible until some kind of persistence - * is available. - **/ -void -register_firmware(const char *name, const u8 *data, size_t size) -{ - /* This is meaningless without firmware caching, so until we - * decide if firmware caching is reasonable just leave it as a - * noop */ -} - /* Async support */ struct firmware_work { struct work_struct work; @@ -630,4 +608,3 @@ module_exit(firmware_class_exit); EXPORT_SYMBOL(release_firmware); EXPORT_SYMBOL(request_firmware); EXPORT_SYMBOL(request_firmware_nowait); -EXPORT_SYMBOL(register_firmware); diff --git a/drivers/block/ub.c b/drivers/block/ub.c index f73446f580df..c688c25992e4 100644 --- a/drivers/block/ub.c +++ b/drivers/block/ub.c @@ -536,6 +536,9 @@ static void ub_cleanup(struct ub_dev *sc) kfree(lun); } + usb_set_intfdata(sc->intf, NULL); + usb_put_intf(sc->intf); + usb_put_dev(sc->dev); kfree(sc); } @@ -2221,7 +2224,12 @@ static int ub_probe(struct usb_interface *intf, // sc->ifnum = intf->cur_altsetting->desc.bInterfaceNumber; usb_set_intfdata(intf, sc); usb_get_dev(sc->dev); - // usb_get_intf(sc->intf); /* Do we need this? */ + /* + * Since we give the interface struct to the block level through + * disk->driverfs_dev, we have to pin it. Otherwise, block_uevent + * oopses on close after a disconnect (kernels 2.6.16 and up). + */ + usb_get_intf(sc->intf); snprintf(sc->name, 12, DRV_NAME "(%d.%d)", sc->dev->bus->busnum, sc->dev->devnum); @@ -2286,7 +2294,7 @@ static int ub_probe(struct usb_interface *intf, err_dev_desc: usb_set_intfdata(intf, NULL); - // usb_put_intf(sc->intf); + usb_put_intf(sc->intf); usb_put_dev(sc->dev); kfree(sc); err_core: @@ -2461,12 +2469,6 @@ static void ub_disconnect(struct usb_interface *intf) * and no URBs left in transit. */ - usb_set_intfdata(intf, NULL); - // usb_put_intf(sc->intf); - sc->intf = NULL; - usb_put_dev(sc->dev); - sc->dev = NULL; - ub_put(sc); } diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index 402296670d3a..78d928f9d9f1 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -291,7 +291,7 @@ config SX config RIO tristate "Specialix RIO system support" - depends on SERIAL_NONSTANDARD && !64BIT + depends on SERIAL_NONSTANDARD help This is a driver for the Specialix RIO, a smart serial card which drives an outboard box that can support up to 128 ports. Product diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c index 02114a0bd0d9..128b2632512d 100644 --- a/drivers/char/pcmcia/cm4000_cs.c +++ b/drivers/char/pcmcia/cm4000_cs.c @@ -1981,10 +1981,6 @@ static int __init cmm_init(void) if (!cmm_class) return -1; - rc = pcmcia_register_driver(&cm4000_driver); - if (rc < 0) - return rc; - major = register_chrdev(0, DEVICE_NAME, &cm4000_fops); if (major < 0) { printk(KERN_WARNING MODULE_NAME @@ -1992,6 +1988,12 @@ static int __init cmm_init(void) return -1; } + rc = pcmcia_register_driver(&cm4000_driver); + if (rc < 0) { + unregister_chrdev(major, DEVICE_NAME); + return rc; + } + return 0; } diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c index 29efa64580a8..47a8465bf95b 100644 --- a/drivers/char/pcmcia/cm4040_cs.c +++ b/drivers/char/pcmcia/cm4040_cs.c @@ -724,16 +724,19 @@ static int __init cm4040_init(void) if (!cmx_class) return -1; - rc = pcmcia_register_driver(&reader_driver); - if (rc < 0) - return rc; - major = register_chrdev(0, DEVICE_NAME, &reader_fops); if (major < 0) { printk(KERN_WARNING MODULE_NAME ": could not get major number\n"); return -1; } + + rc = pcmcia_register_driver(&reader_driver); + if (rc < 0) { + unregister_chrdev(major, DEVICE_NAME); + return rc; + } + return 0; } diff --git a/drivers/char/rio/host.h b/drivers/char/rio/host.h index 3ec73d1a279a..179cdbea712b 100644 --- a/drivers/char/rio/host.h +++ b/drivers/char/rio/host.h @@ -33,12 +33,6 @@ #ifndef __rio_host_h__ #define __rio_host_h__ -#ifdef SCCS_LABELS -#ifndef lint -static char *_host_h_sccs_ = "@(#)host.h 1.2"; -#endif -#endif - /* ** the host structure - one per host card in the system. */ @@ -77,9 +71,6 @@ struct Host { #define RC_STARTUP 1 #define RC_RUNNING 2 #define RC_STUFFED 3 -#define RC_SOMETHING 4 -#define RC_SOMETHING_NEW 5 -#define RC_SOMETHING_ELSE 6 #define RC_READY 7 #define RUN_STATE 7 /* diff --git a/drivers/char/rio/rioboot.c b/drivers/char/rio/rioboot.c index acda9326c2ef..290143addd34 100644 --- a/drivers/char/rio/rioboot.c +++ b/drivers/char/rio/rioboot.c @@ -34,6 +34,7 @@ #include <linux/slab.h> #include <linux/termios.h> #include <linux/serial.h> +#include <linux/vmalloc.h> #include <asm/semaphore.h> #include <linux/generic_serial.h> #include <linux/errno.h> diff --git a/drivers/char/rio/rioctrl.c b/drivers/char/rio/rioctrl.c index d31aba62bb7f..75b2557c37ec 100644 --- a/drivers/char/rio/rioctrl.c +++ b/drivers/char/rio/rioctrl.c @@ -1394,14 +1394,17 @@ int RIOPreemptiveCmd(struct rio_info *p, struct Port *PortP, u8 Cmd) return RIO_FAIL; } - if (((int) ((char) PortP->InUse) == -1) || !(CmdBlkP = RIOGetCmdBlk())) { - rio_dprintk(RIO_DEBUG_CTRL, "Cannot allocate command block for command %d on port %d\n", Cmd, PortP->PortNum); + if ((PortP->InUse == (typeof(PortP->InUse))-1) || + !(CmdBlkP = RIOGetCmdBlk())) { + rio_dprintk(RIO_DEBUG_CTRL, "Cannot allocate command block " + "for command %d on port %d\n", Cmd, PortP->PortNum); return RIO_FAIL; } - rio_dprintk(RIO_DEBUG_CTRL, "Command blk %p - InUse now %d\n", CmdBlkP, PortP->InUse); + rio_dprintk(RIO_DEBUG_CTRL, "Command blk %p - InUse now %d\n", + CmdBlkP, PortP->InUse); - PktCmdP = (struct PktCmd_M *) &CmdBlkP->Packet.data[0]; + PktCmdP = (struct PktCmd_M *)&CmdBlkP->Packet.data[0]; CmdBlkP->Packet.src_unit = 0; if (PortP->SecondBlock) @@ -1425,38 +1428,46 @@ int RIOPreemptiveCmd(struct rio_info *p, struct Port *PortP, u8 Cmd) switch (Cmd) { case MEMDUMP: - rio_dprintk(RIO_DEBUG_CTRL, "Queue MEMDUMP command blk %p (addr 0x%x)\n", CmdBlkP, (int) SubCmd.Addr); + rio_dprintk(RIO_DEBUG_CTRL, "Queue MEMDUMP command blk %p " + "(addr 0x%x)\n", CmdBlkP, (int) SubCmd.Addr); PktCmdP->SubCommand = MEMDUMP; PktCmdP->SubAddr = SubCmd.Addr; break; case FCLOSE: - rio_dprintk(RIO_DEBUG_CTRL, "Queue FCLOSE command blk %p\n", CmdBlkP); + rio_dprintk(RIO_DEBUG_CTRL, "Queue FCLOSE command blk %p\n", + CmdBlkP); break; case READ_REGISTER: - rio_dprintk(RIO_DEBUG_CTRL, "Queue READ_REGISTER (0x%x) command blk %p\n", (int) SubCmd.Addr, CmdBlkP); + rio_dprintk(RIO_DEBUG_CTRL, "Queue READ_REGISTER (0x%x) " + "command blk %p\n", (int) SubCmd.Addr, CmdBlkP); PktCmdP->SubCommand = READ_REGISTER; PktCmdP->SubAddr = SubCmd.Addr; break; case RESUME: - rio_dprintk(RIO_DEBUG_CTRL, "Queue RESUME command blk %p\n", CmdBlkP); + rio_dprintk(RIO_DEBUG_CTRL, "Queue RESUME command blk %p\n", + CmdBlkP); break; case RFLUSH: - rio_dprintk(RIO_DEBUG_CTRL, "Queue RFLUSH command blk %p\n", CmdBlkP); + rio_dprintk(RIO_DEBUG_CTRL, "Queue RFLUSH command blk %p\n", + CmdBlkP); CmdBlkP->PostFuncP = RIORFlushEnable; break; case SUSPEND: - rio_dprintk(RIO_DEBUG_CTRL, "Queue SUSPEND command blk %p\n", CmdBlkP); + rio_dprintk(RIO_DEBUG_CTRL, "Queue SUSPEND command blk %p\n", + CmdBlkP); break; case MGET: - rio_dprintk(RIO_DEBUG_CTRL, "Queue MGET command blk %p\n", CmdBlkP); + rio_dprintk(RIO_DEBUG_CTRL, "Queue MGET command blk %p\n", + CmdBlkP); break; case MSET: case MBIC: case MBIS: CmdBlkP->Packet.data[4] = (char) PortP->ModemLines; - rio_dprintk(RIO_DEBUG_CTRL, "Queue MSET/MBIC/MBIS command blk %p\n", CmdBlkP); + rio_dprintk(RIO_DEBUG_CTRL, "Queue MSET/MBIC/MBIS command " + "blk %p\n", CmdBlkP); break; case WFLUSH: @@ -1465,12 +1476,14 @@ int RIOPreemptiveCmd(struct rio_info *p, struct Port *PortP, u8 Cmd) ** allowed then we should not bother sending any more to the ** RTA. */ - if ((int) ((char) PortP->WflushFlag) == (int) -1) { - rio_dprintk(RIO_DEBUG_CTRL, "Trashed WFLUSH, WflushFlag about to wrap!"); + if (PortP->WflushFlag == (typeof(PortP->WflushFlag))-1) { + rio_dprintk(RIO_DEBUG_CTRL, "Trashed WFLUSH, " + "WflushFlag about to wrap!"); RIOFreeCmdBlk(CmdBlkP); return (RIO_FAIL); } else { - rio_dprintk(RIO_DEBUG_CTRL, "Queue WFLUSH command blk %p\n", CmdBlkP); + rio_dprintk(RIO_DEBUG_CTRL, "Queue WFLUSH command " + "blk %p\n", CmdBlkP); CmdBlkP->PostFuncP = RIOWFlushMark; } break; diff --git a/drivers/char/rio/rioioctl.h b/drivers/char/rio/rioioctl.h index 14b83fae75c8..e8af5b30519e 100644 --- a/drivers/char/rio/rioioctl.h +++ b/drivers/char/rio/rioioctl.h @@ -33,10 +33,6 @@ #ifndef __rioioctl_h__ #define __rioioctl_h__ -#ifdef SCCS_LABELS -static char *_rioioctl_h_sccs_ = "@(#)rioioctl.h 1.2"; -#endif - /* ** RIO device driver - user ioctls and associated structures. */ @@ -44,55 +40,13 @@ static char *_rioioctl_h_sccs_ = "@(#)rioioctl.h 1.2"; struct portStats { int port; int gather; - ulong txchars; - ulong rxchars; - ulong opens; - ulong closes; - ulong ioctls; + unsigned long txchars; + unsigned long rxchars; + unsigned long opens; + unsigned long closes; + unsigned long ioctls; }; - -#define rIOC ('r'<<8) -#define TCRIOSTATE (rIOC | 1) -#define TCRIOXPON (rIOC | 2) -#define TCRIOXPOFF (rIOC | 3) -#define TCRIOXPCPS (rIOC | 4) -#define TCRIOXPRINT (rIOC | 5) -#define TCRIOIXANYON (rIOC | 6) -#define TCRIOIXANYOFF (rIOC | 7) -#define TCRIOIXONON (rIOC | 8) -#define TCRIOIXONOFF (rIOC | 9) -#define TCRIOMBIS (rIOC | 10) -#define TCRIOMBIC (rIOC | 11) -#define TCRIOTRIAD (rIOC | 12) -#define TCRIOTSTATE (rIOC | 13) - -/* -** 15.10.1998 ARG - ESIL 0761 part fix -** Add RIO ioctls for manipulating RTS and CTS flow control, (as LynxOS -** appears to not support hardware flow control). -*/ -#define TCRIOCTSFLOWEN (rIOC | 14) /* enable CTS flow control */ -#define TCRIOCTSFLOWDIS (rIOC | 15) /* disable CTS flow control */ -#define TCRIORTSFLOWEN (rIOC | 16) /* enable RTS flow control */ -#define TCRIORTSFLOWDIS (rIOC | 17) /* disable RTS flow control */ - -/* -** 09.12.1998 ARG - ESIL 0776 part fix -** Definition for 'RIOC' also appears in daemon.h, so we'd better do a -** #ifndef here first. -** 'RIO_QUICK_CHECK' also #define'd here as this ioctl is now -** allowed to be used by customers. -** -** 05.02.1999 ARG - -** This is what I've decied to do with ioctls etc., which are intended to be -** invoked from users applications : -** Anything that needs to be defined here will be removed from daemon.h, that -** way it won't end up having to be defined/maintained in two places. The only -** consequence of this is that this file should now be #include'd by daemon.h -** -** 'stats' ioctls now #define'd here as they are to be used by customers. -*/ #define RIOC ('R'<<8)|('i'<<16)|('o'<<24) #define RIO_QUICK_CHECK (RIOC | 105) diff --git a/drivers/char/tpm/Kconfig b/drivers/char/tpm/Kconfig index 1efde3b27619..fe00c7dfb649 100644 --- a/drivers/char/tpm/Kconfig +++ b/drivers/char/tpm/Kconfig @@ -22,7 +22,7 @@ config TCG_TPM config TCG_TIS tristate "TPM Interface Specification 1.2 Interface" - depends on TCG_TPM + depends on TCG_TPM && PNPACPI ---help--- If you have a TPM security chip that is compliant with the TCG TIS 1.2 TPM specification say Yes and it will be accessible diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h index 54a4c804e25f..050ced247f68 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -140,7 +140,7 @@ extern int tpm_pm_resume(struct device *); extern struct dentry ** tpm_bios_log_setup(char *); extern void tpm_bios_log_teardown(struct dentry **); #else -static inline struct dentry* tpm_bios_log_setup(char *name) +static inline struct dentry ** tpm_bios_log_setup(char *name) { return NULL; } diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index b9cae9a238bb..f621168f38ae 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -55,7 +55,7 @@ enum tis_int_flags { }; enum tis_defaults { - TIS_MEM_BASE = 0xFED4000, + TIS_MEM_BASE = 0xFED40000, TIS_MEM_LEN = 0x5000, TIS_SHORT_TIMEOUT = 750, /* ms */ TIS_LONG_TIMEOUT = 2000, /* 2 sec */ diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index f07637a8f88f..a88b94a82b14 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -398,7 +398,7 @@ int tty_insert_flip_string_flags(struct tty_struct *tty, while (unlikely(size > copied)); return copied; } -EXPORT_SYMBOL_GPL(tty_insert_flip_string_flags); +EXPORT_SYMBOL(tty_insert_flip_string_flags); void tty_schedule_flip(struct tty_struct *tty) { diff --git a/drivers/char/watchdog/i8xx_tco.c b/drivers/char/watchdog/i8xx_tco.c index a13395e2c372..fa2ba9ebe42a 100644 --- a/drivers/char/watchdog/i8xx_tco.c +++ b/drivers/char/watchdog/i8xx_tco.c @@ -33,11 +33,6 @@ * 82801E (C-ICH) : document number 273599-001, 273645-002, * 82801EB (ICH5) : document number 252516-001, 252517-003, * 82801ER (ICH5R) : document number 252516-001, 252517-003, - * 82801FB (ICH6) : document number 301473-002, 301474-007, - * 82801FR (ICH6R) : document number 301473-002, 301474-007, - * 82801FBM (ICH6-M) : document number 301473-002, 301474-007, - * 82801FW (ICH6W) : document number 301473-001, 301474-007, - * 82801FRW (ICH6RW) : document number 301473-001, 301474-007 * * 20000710 Nils Faerber * Initial Version 0.01 @@ -66,6 +61,10 @@ * 20050807 Wim Van Sebroeck <wim@iguana.be> * 0.08 Make sure that the watchdog is only "armed" when started. * (Kernel Bug 4251) + * 20060416 Wim Van Sebroeck <wim@iguana.be> + * 0.09 Remove support for the ICH6, ICH6R, ICH6-M, ICH6W and ICH6RW and + * ICH7 chipsets. (See Kernel Bug 6031 - other code will support these + * chipsets) */ /* @@ -90,7 +89,7 @@ #include "i8xx_tco.h" /* Module and version information */ -#define TCO_VERSION "0.08" +#define TCO_VERSION "0.09" #define TCO_MODULE_NAME "i8xx TCO timer" #define TCO_DRIVER_NAME TCO_MODULE_NAME ", v" TCO_VERSION #define PFX TCO_MODULE_NAME ": " @@ -391,11 +390,6 @@ static struct pci_device_id i8xx_tco_pci_tbl[] = { { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_12, PCI_ANY_ID, PCI_ANY_ID, }, { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801E_0, PCI_ANY_ID, PCI_ANY_ID, }, { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801EB_0, PCI_ANY_ID, PCI_ANY_ID, }, - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_0, PCI_ANY_ID, PCI_ANY_ID, }, - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_1, PCI_ANY_ID, PCI_ANY_ID, }, - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_2, PCI_ANY_ID, PCI_ANY_ID, }, - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_0, PCI_ANY_ID, PCI_ANY_ID, }, - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_1, PCI_ANY_ID, PCI_ANY_ID, }, { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB_1, PCI_ANY_ID, PCI_ANY_ID, }, { 0, }, /* End of list */ }; diff --git a/drivers/char/watchdog/s3c2410_wdt.c b/drivers/char/watchdog/s3c2410_wdt.c index 9dc54736e4eb..1ea04e9b2b0b 100644 --- a/drivers/char/watchdog/s3c2410_wdt.c +++ b/drivers/char/watchdog/s3c2410_wdt.c @@ -423,6 +423,12 @@ static int s3c2410wdt_probe(struct platform_device *pdev) if (tmr_atboot && started == 0) { printk(KERN_INFO PFX "Starting Watchdog Timer\n"); s3c2410wdt_start(); + } else if (!tmr_atboot) { + /* if we're not enabling the watchdog, then ensure it is + * disabled if it has been left running from the bootloader + * or other source */ + + s3c2410wdt_stop(); } return 0; diff --git a/drivers/char/watchdog/sc1200wdt.c b/drivers/char/watchdog/sc1200wdt.c index 515ce7572049..20b88f9b7be2 100644 --- a/drivers/char/watchdog/sc1200wdt.c +++ b/drivers/char/watchdog/sc1200wdt.c @@ -377,7 +377,7 @@ static int __init sc1200wdt_init(void) { int ret; - printk(banner); + printk("%s\n", banner); spin_lock_init(&sc1200wdt_lock); sema_init(&open_sem, 1); diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index 956d121cb161..3e6ffcaa5af4 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -74,6 +74,8 @@ static unsigned int dbs_enable; /* number of CPUs using this policy */ static DEFINE_MUTEX (dbs_mutex); static DECLARE_WORK (dbs_work, do_dbs_timer, NULL); +static struct workqueue_struct *dbs_workq; + struct dbs_tuners { unsigned int sampling_rate; unsigned int sampling_down_factor; @@ -364,23 +366,29 @@ static void do_dbs_timer(void *data) mutex_lock(&dbs_mutex); for_each_online_cpu(i) dbs_check_cpu(i); - schedule_delayed_work(&dbs_work, - usecs_to_jiffies(dbs_tuners_ins.sampling_rate)); + queue_delayed_work(dbs_workq, &dbs_work, + usecs_to_jiffies(dbs_tuners_ins.sampling_rate)); mutex_unlock(&dbs_mutex); } static inline void dbs_timer_init(void) { INIT_WORK(&dbs_work, do_dbs_timer, NULL); - schedule_delayed_work(&dbs_work, - usecs_to_jiffies(dbs_tuners_ins.sampling_rate)); + if (!dbs_workq) + dbs_workq = create_singlethread_workqueue("ondemand"); + if (!dbs_workq) { + printk(KERN_ERR "ondemand: Cannot initialize kernel thread\n"); + return; + } + queue_delayed_work(dbs_workq, &dbs_work, + usecs_to_jiffies(dbs_tuners_ins.sampling_rate)); return; } static inline void dbs_timer_exit(void) { - cancel_delayed_work(&dbs_work); - return; + if (dbs_workq) + cancel_rearming_delayed_workqueue(dbs_workq, &dbs_work); } static int cpufreq_governor_dbs(struct cpufreq_policy *policy, @@ -489,8 +497,12 @@ static int __init cpufreq_gov_dbs_init(void) static void __exit cpufreq_gov_dbs_exit(void) { - /* Make sure that the scheduled work is indeed not running */ - flush_scheduled_work(); + /* Make sure that the scheduled work is indeed not running. + Assumes the timer has been cancelled first. */ + if (dbs_workq) { + flush_workqueue(dbs_workq); + destroy_workqueue(dbs_workq); + } cpufreq_unregister_governor(&cpufreq_gov_dbs); } diff --git a/drivers/i2c/busses/scx200_acb.c b/drivers/i2c/busses/scx200_acb.c index 8bd305e47f0d..a140e4536a4e 100644 --- a/drivers/i2c/busses/scx200_acb.c +++ b/drivers/i2c/busses/scx200_acb.c @@ -133,6 +133,9 @@ static void scx200_acb_machine(struct scx200_acb_iface *iface, u8 status) outb(inb(ACBCTL1) | ACBCTL1_STOP, ACBCTL1); outb(ACBST_STASTR | ACBST_NEGACK, ACBST); + + /* Reset the status register */ + outb(0, ACBST); return; } @@ -228,6 +231,10 @@ static void scx200_acb_poll(struct scx200_acb_iface *iface) timeout = jiffies + POLL_TIMEOUT; while (time_before(jiffies, timeout)) { status = inb(ACBST); + + /* Reset the status register to avoid the hang */ + outb(0, ACBST); + if ((status & (ACBST_SDAST|ACBST_BER|ACBST_NEGACK)) != 0) { scx200_acb_machine(iface, status); return; @@ -415,7 +422,6 @@ static int __init scx200_acb_create(const char *text, int base, int index) struct scx200_acb_iface *iface; struct i2c_adapter *adapter; int rc; - char description[64]; iface = kzalloc(sizeof(*iface), GFP_KERNEL); if (!iface) { @@ -434,10 +440,7 @@ static int __init scx200_acb_create(const char *text, int base, int index) mutex_init(&iface->mutex); - snprintf(description, sizeof(description), "%s ACCESS.bus [%s]", - text, adapter->name); - - if (request_region(base, 8, description) == 0) { + if (!request_region(base, 8, adapter->name)) { printk(KERN_ERR NAME ": can't allocate io 0x%x-0x%x\n", base, base + 8-1); rc = -EBUSY; @@ -524,6 +527,9 @@ static int __init scx200_acb_init(void) } else if (pci_dev_present(divil_pci)) rc = scx200_add_cs553x(); + /* If at least one bus was created, init must succeed */ + if (scx200_acb_list) + return 0; return rc; } diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c index 4961f1e764a7..602797a44208 100644 --- a/drivers/ide/legacy/ide-cs.c +++ b/drivers/ide/legacy/ide-cs.c @@ -392,6 +392,7 @@ static struct pcmcia_device_id ide_ids[] = { PCMCIA_DEVICE_PROD_ID12("FREECOM", "PCCARD-IDE", 0x5714cbf7, 0x48e0ab8e), PCMCIA_DEVICE_PROD_ID12("HITACHI", "FLASH", 0xf4f43949, 0x9eb86aae), PCMCIA_DEVICE_PROD_ID12("HITACHI", "microdrive", 0xf4f43949, 0xa6d76178), + PCMCIA_DEVICE_PROD_ID12("IBM", "microdrive", 0xb569a6e5, 0xa6d76178), PCMCIA_DEVICE_PROD_ID12("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753), PCMCIA_DEVICE_PROD_ID12("IO DATA", "CBIDE2 ", 0x547e66dc, 0x8671043b), PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149), diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c index 78e30f803671..ffca8b63ee79 100644 --- a/drivers/ide/ppc/pmac.c +++ b/drivers/ide/ppc/pmac.c @@ -553,6 +553,8 @@ pmac_ide_init_hwif_ports(hw_regs_t *hw, if (irq != NULL) *irq = pmac_ide[ix].irq; + + hw->dev = &pmac_ide[ix].mdev->ofdev.dev; } #define PMAC_IDE_REG(x) ((void __iomem *)(IDE_DATA_REG+(x))) diff --git a/drivers/ieee1394/ohci1394.c b/drivers/ieee1394/ohci1394.c index 19222878aae9..11f13778f139 100644 --- a/drivers/ieee1394/ohci1394.c +++ b/drivers/ieee1394/ohci1394.c @@ -553,7 +553,7 @@ static void ohci_initialize(struct ti_ohci *ohci) * register content. * To actually enable physical responses is the job of our interrupt * handler which programs the physical request filter. */ - reg_write(ohci, OHCI1394_PhyUpperBound, 0xffff0000); + reg_write(ohci, OHCI1394_PhyUpperBound, 0x01000000); DBGMSG("physUpperBoundOffset=%08x", reg_read(ohci, OHCI1394_PhyUpperBound)); diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index f4206604db03..8a23fb54c693 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -42,6 +42,7 @@ #include <linux/kernel.h> #include <linux/list.h> #include <linux/string.h> +#include <linux/stringify.h> #include <linux/slab.h> #include <linux/interrupt.h> #include <linux/fs.h> @@ -117,7 +118,8 @@ MODULE_PARM_DESC(serialize_io, "Serialize I/O coming from scsi drivers (default */ static int max_sectors = SBP2_MAX_SECTORS; module_param(max_sectors, int, 0444); -MODULE_PARM_DESC(max_sectors, "Change max sectors per I/O supported (default = 255)"); +MODULE_PARM_DESC(max_sectors, "Change max sectors per I/O supported (default = " + __stringify(SBP2_MAX_SECTORS) ")"); /* * Exclusive login to sbp2 device? In most cases, the sbp2 driver should @@ -135,18 +137,45 @@ module_param(exclusive_login, int, 0644); MODULE_PARM_DESC(exclusive_login, "Exclusive login to sbp2 device (default = 1)"); /* - * SCSI inquiry hack for really badly behaved sbp2 devices. Turn this on - * if your sbp2 device is not properly handling the SCSI inquiry command. - * This hack makes the inquiry look more like a typical MS Windows inquiry - * by enforcing 36 byte inquiry and avoiding access to mode_sense page 8. + * If any of the following workarounds is required for your device to work, + * please submit the kernel messages logged by sbp2 to the linux1394-devel + * mailing list. * - * If force_inquiry_hack=1 is required for your device to work, - * please submit the logged sbp2_firmware_revision value of this device to - * the linux1394-devel mailing list. + * - 128kB max transfer + * Limit transfer size. Necessary for some old bridges. + * + * - 36 byte inquiry + * When scsi_mod probes the device, let the inquiry command look like that + * from MS Windows. + * + * - skip mode page 8 + * Suppress sending of mode_sense for mode page 8 if the device pretends to + * support the SCSI Primary Block commands instead of Reduced Block Commands. + * + * - fix capacity + * Tell sd_mod to correct the last sector number reported by read_capacity. + * Avoids access beyond actual disk limits on devices with an off-by-one bug. + * Don't use this with devices which don't have this bug. + * + * - override internal blacklist + * Instead of adding to the built-in blacklist, use only the workarounds + * specified in the module load parameter. + * Useful if a blacklist entry interfered with a non-broken device. */ +static int sbp2_default_workarounds; +module_param_named(workarounds, sbp2_default_workarounds, int, 0644); +MODULE_PARM_DESC(workarounds, "Work around device bugs (default = 0" + ", 128kB max transfer = " __stringify(SBP2_WORKAROUND_128K_MAX_TRANS) + ", 36 byte inquiry = " __stringify(SBP2_WORKAROUND_INQUIRY_36) + ", skip mode page 8 = " __stringify(SBP2_WORKAROUND_MODE_SENSE_8) + ", fix capacity = " __stringify(SBP2_WORKAROUND_FIX_CAPACITY) + ", override internal blacklist = " __stringify(SBP2_WORKAROUND_OVERRIDE) + ", or a combination)"); + +/* legacy parameter */ static int force_inquiry_hack; module_param(force_inquiry_hack, int, 0644); -MODULE_PARM_DESC(force_inquiry_hack, "Force SCSI inquiry hack (default = 0)"); +MODULE_PARM_DESC(force_inquiry_hack, "Deprecated, use 'workarounds'"); /* * Export information about protocols/devices supported by this driver. @@ -266,14 +295,55 @@ static struct hpsb_protocol_driver sbp2_driver = { }; /* - * List of device firmwares that require the inquiry hack. - * Yields a few false positives but did not break other devices so far. + * List of devices with known bugs. + * + * The firmware_revision field, masked with 0xffff00, is the best indicator + * for the type of bridge chip of a device. It yields a few false positives + * but this did not break correctly behaving devices so far. */ -static u32 sbp2_broken_inquiry_list[] = { - 0x00002800, /* Stefan Richter <stefanr@s5r6.in-berlin.de> */ - /* DViCO Momobay CX-1 */ - 0x00000200 /* Andreas Plesch <plesch@fas.harvard.edu> */ - /* QPS Fire DVDBurner */ +static const struct { + u32 firmware_revision; + u32 model_id; + unsigned workarounds; +} sbp2_workarounds_table[] = { + /* TSB42AA9 */ { + .firmware_revision = 0x002800, + .workarounds = SBP2_WORKAROUND_INQUIRY_36 | + SBP2_WORKAROUND_MODE_SENSE_8, + }, + /* Initio bridges, actually only needed for some older ones */ { + .firmware_revision = 0x000200, + .workarounds = SBP2_WORKAROUND_INQUIRY_36, + }, + /* Symbios bridge */ { + .firmware_revision = 0xa0b800, + .workarounds = SBP2_WORKAROUND_128K_MAX_TRANS, + }, + /* + * Note about the following Apple iPod blacklist entries: + * + * There are iPods (2nd gen, 3rd gen) with model_id==0. Since our + * matching logic treats 0 as a wildcard, we cannot match this ID + * without rewriting the matching routine. Fortunately these iPods + * do not feature the read_capacity bug according to one report. + * Read_capacity behaviour as well as model_id could change due to + * Apple-supplied firmware updates though. + */ + /* iPod 4th generation */ { + .firmware_revision = 0x0a2700, + .model_id = 0x000021, + .workarounds = SBP2_WORKAROUND_FIX_CAPACITY, + }, + /* iPod mini */ { + .firmware_revision = 0x0a2700, + .model_id = 0x000023, + .workarounds = SBP2_WORKAROUND_FIX_CAPACITY, + }, + /* iPod Photo */ { + .firmware_revision = 0x0a2700, + .model_id = 0x00007e, + .workarounds = SBP2_WORKAROUND_FIX_CAPACITY, + } }; /************************************** @@ -765,11 +835,16 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud /* Register the status FIFO address range. We could use the same FIFO * for targets at different nodes. However we need different FIFOs per - * target in order to support multi-unit devices. */ + * target in order to support multi-unit devices. + * The FIFO is located out of the local host controller's physical range + * but, if possible, within the posted write area. Status writes will + * then be performed as unified transactions. This slightly reduces + * bandwidth usage, and some Prolific based devices seem to require it. + */ scsi_id->status_fifo_addr = hpsb_allocate_and_register_addrspace( &sbp2_highlevel, ud->ne->host, &sbp2_ops, sizeof(struct sbp2_status_block), sizeof(quadlet_t), - ~0ULL, ~0ULL); + 0x010000000000ULL, CSR1212_ALL_SPACE_END); if (!scsi_id->status_fifo_addr) { SBP2_ERR("failed to allocate status FIFO address range"); goto failed_alloc; @@ -1450,7 +1525,8 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, struct csr1212_dentry *dentry; u64 management_agent_addr; u32 command_set_spec_id, command_set, unit_characteristics, - firmware_revision, workarounds; + firmware_revision; + unsigned workarounds; int i; SBP2_DEBUG_ENTER(); @@ -1506,12 +1582,8 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, case SBP2_FIRMWARE_REVISION_KEY: /* Firmware revision */ firmware_revision = kv->value.immediate; - if (force_inquiry_hack) - SBP2_INFO("sbp2_firmware_revision = %x", - (unsigned int)firmware_revision); - else - SBP2_DEBUG("sbp2_firmware_revision = %x", - (unsigned int)firmware_revision); + SBP2_DEBUG("sbp2_firmware_revision = %x", + (unsigned int)firmware_revision); break; default: @@ -1519,41 +1591,44 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, } } - /* This is the start of our broken device checking. We try to hack - * around oddities and known defects. */ - workarounds = 0x0; + workarounds = sbp2_default_workarounds; + if (force_inquiry_hack) { + SBP2_WARN("force_inquiry_hack is deprecated. " + "Use parameter 'workarounds' instead."); + workarounds |= SBP2_WORKAROUND_INQUIRY_36; + } - /* If the vendor id is 0xa0b8 (Symbios vendor id), then we have a - * bridge with 128KB max transfer size limitation. For sanity, we - * only voice this when the current max_sectors setting - * exceeds the 128k limit. By default, that is not the case. - * - * It would be really nice if we could detect this before the scsi - * host gets initialized. That way we can down-force the - * max_sectors to account for it. That is not currently - * possible. */ - if ((firmware_revision & 0xffff00) == - SBP2_128KB_BROKEN_FIRMWARE && - (max_sectors * 512) > (128*1024)) { - SBP2_WARN("Node " NODE_BUS_FMT ": Bridge only supports 128KB max transfer size.", - NODE_BUS_ARGS(ud->ne->host, ud->ne->nodeid)); - SBP2_WARN("WARNING: Current max_sectors setting is larger than 128KB (%d sectors)!", - max_sectors); - workarounds |= SBP2_BREAKAGE_128K_MAX_TRANSFER; - } - - /* Check for a blacklisted set of devices that require us to force - * a 36 byte host inquiry. This can be overriden as a module param - * (to force all hosts). */ - for (i = 0; i < ARRAY_SIZE(sbp2_broken_inquiry_list); i++) { - if ((firmware_revision & 0xffff00) == - sbp2_broken_inquiry_list[i]) { - SBP2_WARN("Node " NODE_BUS_FMT ": Using 36byte inquiry workaround", - NODE_BUS_ARGS(ud->ne->host, ud->ne->nodeid)); - workarounds |= SBP2_BREAKAGE_INQUIRY_HACK; - break; /* No need to continue. */ + if (!(workarounds & SBP2_WORKAROUND_OVERRIDE)) + for (i = 0; i < ARRAY_SIZE(sbp2_workarounds_table); i++) { + if (sbp2_workarounds_table[i].firmware_revision && + sbp2_workarounds_table[i].firmware_revision != + (firmware_revision & 0xffff00)) + continue; + if (sbp2_workarounds_table[i].model_id && + sbp2_workarounds_table[i].model_id != ud->model_id) + continue; + workarounds |= sbp2_workarounds_table[i].workarounds; + break; } - } + + if (workarounds) + SBP2_INFO("Workarounds for node " NODE_BUS_FMT ": 0x%x " + "(firmware_revision 0x%06x, vendor_id 0x%06x," + " model_id 0x%06x)", + NODE_BUS_ARGS(ud->ne->host, ud->ne->nodeid), + workarounds, firmware_revision, + ud->vendor_id ? ud->vendor_id : ud->ne->vendor_id, + ud->model_id); + + /* We would need one SCSI host template for each target to adjust + * max_sectors on the fly, therefore warn only. */ + if (workarounds & SBP2_WORKAROUND_128K_MAX_TRANS && + (max_sectors * 512) > (128 * 1024)) + SBP2_WARN("Node " NODE_BUS_FMT ": Bridge only supports 128KB " + "max transfer size. WARNING: Current max_sectors " + "setting is larger than 128KB (%d sectors)", + NODE_BUS_ARGS(ud->ne->host, ud->ne->nodeid), + max_sectors); /* If this is a logical unit directory entry, process the parent * to get the values. */ @@ -2447,19 +2522,25 @@ static int sbp2scsi_slave_alloc(struct scsi_device *sdev) scsi_id->sdev = sdev; - if (force_inquiry_hack || - scsi_id->workarounds & SBP2_BREAKAGE_INQUIRY_HACK) { + if (scsi_id->workarounds & SBP2_WORKAROUND_INQUIRY_36) sdev->inquiry_len = 36; - sdev->skip_ms_page_8 = 1; - } return 0; } static int sbp2scsi_slave_configure(struct scsi_device *sdev) { + struct scsi_id_instance_data *scsi_id = + (struct scsi_id_instance_data *)sdev->host->hostdata[0]; + blk_queue_dma_alignment(sdev->request_queue, (512 - 1)); sdev->use_10_for_rw = 1; sdev->use_10_for_ms = 1; + + if (sdev->type == TYPE_DISK && + scsi_id->workarounds & SBP2_WORKAROUND_MODE_SENSE_8) + sdev->skip_ms_page_8 = 1; + if (scsi_id->workarounds & SBP2_WORKAROUND_FIX_CAPACITY) + sdev->fix_capacity = 1; return 0; } @@ -2603,7 +2684,9 @@ static int sbp2_module_init(void) scsi_driver_template.cmd_per_lun = 1; } - /* Set max sectors (module load option). Default is 255 sectors. */ + if (sbp2_default_workarounds & SBP2_WORKAROUND_128K_MAX_TRANS && + (max_sectors * 512) > (128 * 1024)) + max_sectors = 128 * 1024 / 512; scsi_driver_template.max_sectors = max_sectors; /* Register our high level driver with 1394 stack */ diff --git a/drivers/ieee1394/sbp2.h b/drivers/ieee1394/sbp2.h index e2d357a9ea3a..f4ccc9d0fba4 100644 --- a/drivers/ieee1394/sbp2.h +++ b/drivers/ieee1394/sbp2.h @@ -227,11 +227,6 @@ struct sbp2_status_block { #define SBP2_SW_VERSION_ENTRY 0x00010483 /* - * Other misc defines - */ -#define SBP2_128KB_BROKEN_FIRMWARE 0xa0b800 - -/* * SCSI specific stuff */ @@ -239,6 +234,13 @@ struct sbp2_status_block { #define SBP2_MAX_SECTORS 255 /* Max sectors supported */ #define SBP2_MAX_CMDS 8 /* This should be safe */ +/* Flags for detected oddities and brokeness */ +#define SBP2_WORKAROUND_128K_MAX_TRANS 0x1 +#define SBP2_WORKAROUND_INQUIRY_36 0x2 +#define SBP2_WORKAROUND_MODE_SENSE_8 0x4 +#define SBP2_WORKAROUND_FIX_CAPACITY 0x8 +#define SBP2_WORKAROUND_OVERRIDE 0x100 + /* This is the two dma types we use for cmd_dma below */ enum cmd_dma_types { CMD_DMA_NONE, @@ -268,10 +270,6 @@ struct sbp2_command_info { }; -/* A list of flags for detected oddities and brokeness. */ -#define SBP2_BREAKAGE_128K_MAX_TRANSFER 0x1 -#define SBP2_BREAKAGE_INQUIRY_HACK 0x2 - struct sbp2scsi_host_info; /* @@ -345,7 +343,7 @@ struct scsi_id_instance_data { struct Scsi_Host *scsi_host; /* Device specific workarounds/brokeness */ - u32 workarounds; + unsigned workarounds; }; /* Sbp2 host data structure (one per IEEE1394 host) */ diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index 7cfedb8d9bcd..86fee43502cd 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -34,6 +34,8 @@ * * $Id: cm.c 2821 2005-07-08 17:07:28Z sean.hefty $ */ + +#include <linux/completion.h> #include <linux/dma-mapping.h> #include <linux/err.h> #include <linux/idr.h> @@ -122,7 +124,7 @@ struct cm_id_private { struct rb_node service_node; struct rb_node sidr_id_node; spinlock_t lock; /* Do not acquire inside cm.lock */ - wait_queue_head_t wait; + struct completion comp; atomic_t refcount; struct ib_mad_send_buf *msg; @@ -159,7 +161,7 @@ static void cm_work_handler(void *data); static inline void cm_deref_id(struct cm_id_private *cm_id_priv) { if (atomic_dec_and_test(&cm_id_priv->refcount)) - wake_up(&cm_id_priv->wait); + complete(&cm_id_priv->comp); } static int cm_alloc_msg(struct cm_id_private *cm_id_priv, @@ -559,7 +561,7 @@ struct ib_cm_id *ib_create_cm_id(struct ib_device *device, goto error; spin_lock_init(&cm_id_priv->lock); - init_waitqueue_head(&cm_id_priv->wait); + init_completion(&cm_id_priv->comp); INIT_LIST_HEAD(&cm_id_priv->work_list); atomic_set(&cm_id_priv->work_count, -1); atomic_set(&cm_id_priv->refcount, 1); @@ -724,8 +726,8 @@ retest: } cm_free_id(cm_id->local_id); - atomic_dec(&cm_id_priv->refcount); - wait_event(cm_id_priv->wait, !atomic_read(&cm_id_priv->refcount)); + cm_deref_id(cm_id_priv); + wait_for_completion(&cm_id_priv->comp); while ((work = cm_dequeue_work(cm_id_priv)) != NULL) cm_free_work(work); if (cm_id_priv->private_data && cm_id_priv->private_data_len) diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index 469b6923a2e2..5ad41a64314c 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -352,7 +352,7 @@ struct ib_mad_agent *ib_register_mad_agent(struct ib_device *device, INIT_WORK(&mad_agent_priv->local_work, local_completions, mad_agent_priv); atomic_set(&mad_agent_priv->refcount, 1); - init_waitqueue_head(&mad_agent_priv->wait); + init_completion(&mad_agent_priv->comp); return &mad_agent_priv->agent; @@ -467,7 +467,7 @@ struct ib_mad_agent *ib_register_mad_snoop(struct ib_device *device, mad_snoop_priv->agent.qp = port_priv->qp_info[qpn].qp; mad_snoop_priv->agent.port_num = port_num; mad_snoop_priv->mad_snoop_flags = mad_snoop_flags; - init_waitqueue_head(&mad_snoop_priv->wait); + init_completion(&mad_snoop_priv->comp); mad_snoop_priv->snoop_index = register_snoop_agent( &port_priv->qp_info[qpn], mad_snoop_priv); @@ -486,6 +486,18 @@ error1: } EXPORT_SYMBOL(ib_register_mad_snoop); +static inline void deref_mad_agent(struct ib_mad_agent_private *mad_agent_priv) +{ + if (atomic_dec_and_test(&mad_agent_priv->refcount)) + complete(&mad_agent_priv->comp); +} + +static inline void deref_snoop_agent(struct ib_mad_snoop_private *mad_snoop_priv) +{ + if (atomic_dec_and_test(&mad_snoop_priv->refcount)) + complete(&mad_snoop_priv->comp); +} + static void unregister_mad_agent(struct ib_mad_agent_private *mad_agent_priv) { struct ib_mad_port_private *port_priv; @@ -509,9 +521,8 @@ static void unregister_mad_agent(struct ib_mad_agent_private *mad_agent_priv) flush_workqueue(port_priv->wq); ib_cancel_rmpp_recvs(mad_agent_priv); - atomic_dec(&mad_agent_priv->refcount); - wait_event(mad_agent_priv->wait, - !atomic_read(&mad_agent_priv->refcount)); + deref_mad_agent(mad_agent_priv); + wait_for_completion(&mad_agent_priv->comp); kfree(mad_agent_priv->reg_req); ib_dereg_mr(mad_agent_priv->agent.mr); @@ -529,9 +540,8 @@ static void unregister_mad_snoop(struct ib_mad_snoop_private *mad_snoop_priv) atomic_dec(&qp_info->snoop_count); spin_unlock_irqrestore(&qp_info->snoop_lock, flags); - atomic_dec(&mad_snoop_priv->refcount); - wait_event(mad_snoop_priv->wait, - !atomic_read(&mad_snoop_priv->refcount)); + deref_snoop_agent(mad_snoop_priv); + wait_for_completion(&mad_snoop_priv->comp); kfree(mad_snoop_priv); } @@ -600,8 +610,7 @@ static void snoop_send(struct ib_mad_qp_info *qp_info, spin_unlock_irqrestore(&qp_info->snoop_lock, flags); mad_snoop_priv->agent.snoop_handler(&mad_snoop_priv->agent, send_buf, mad_send_wc); - if (atomic_dec_and_test(&mad_snoop_priv->refcount)) - wake_up(&mad_snoop_priv->wait); + deref_snoop_agent(mad_snoop_priv); spin_lock_irqsave(&qp_info->snoop_lock, flags); } spin_unlock_irqrestore(&qp_info->snoop_lock, flags); @@ -626,8 +635,7 @@ static void snoop_recv(struct ib_mad_qp_info *qp_info, spin_unlock_irqrestore(&qp_info->snoop_lock, flags); mad_snoop_priv->agent.recv_handler(&mad_snoop_priv->agent, mad_recv_wc); - if (atomic_dec_and_test(&mad_snoop_priv->refcount)) - wake_up(&mad_snoop_priv->wait); + deref_snoop_agent(mad_snoop_priv); spin_lock_irqsave(&qp_info->snoop_lock, flags); } spin_unlock_irqrestore(&qp_info->snoop_lock, flags); @@ -968,8 +976,7 @@ void ib_free_send_mad(struct ib_mad_send_buf *send_buf) free_send_rmpp_list(mad_send_wr); kfree(send_buf->mad); - if (atomic_dec_and_test(&mad_agent_priv->refcount)) - wake_up(&mad_agent_priv->wait); + deref_mad_agent(mad_agent_priv); } EXPORT_SYMBOL(ib_free_send_mad); @@ -1757,8 +1764,7 @@ static void ib_mad_complete_recv(struct ib_mad_agent_private *mad_agent_priv, mad_recv_wc = ib_process_rmpp_recv_wc(mad_agent_priv, mad_recv_wc); if (!mad_recv_wc) { - if (atomic_dec_and_test(&mad_agent_priv->refcount)) - wake_up(&mad_agent_priv->wait); + deref_mad_agent(mad_agent_priv); return; } } @@ -1770,8 +1776,7 @@ static void ib_mad_complete_recv(struct ib_mad_agent_private *mad_agent_priv, if (!mad_send_wr) { spin_unlock_irqrestore(&mad_agent_priv->lock, flags); ib_free_recv_mad(mad_recv_wc); - if (atomic_dec_and_test(&mad_agent_priv->refcount)) - wake_up(&mad_agent_priv->wait); + deref_mad_agent(mad_agent_priv); return; } ib_mark_mad_done(mad_send_wr); @@ -1790,8 +1795,7 @@ static void ib_mad_complete_recv(struct ib_mad_agent_private *mad_agent_priv, } else { mad_agent_priv->agent.recv_handler(&mad_agent_priv->agent, mad_recv_wc); - if (atomic_dec_and_test(&mad_agent_priv->refcount)) - wake_up(&mad_agent_priv->wait); + deref_mad_agent(mad_agent_priv); } } @@ -2021,8 +2025,7 @@ void ib_mad_complete_send_wr(struct ib_mad_send_wr_private *mad_send_wr, mad_send_wc); /* Release reference on agent taken when sending */ - if (atomic_dec_and_test(&mad_agent_priv->refcount)) - wake_up(&mad_agent_priv->wait); + deref_mad_agent(mad_agent_priv); return; done: spin_unlock_irqrestore(&mad_agent_priv->lock, flags); diff --git a/drivers/infiniband/core/mad_priv.h b/drivers/infiniband/core/mad_priv.h index 6c9c133d71ef..b4fa28d3160f 100644 --- a/drivers/infiniband/core/mad_priv.h +++ b/drivers/infiniband/core/mad_priv.h @@ -37,6 +37,7 @@ #ifndef __IB_MAD_PRIV_H__ #define __IB_MAD_PRIV_H__ +#include <linux/completion.h> #include <linux/pci.h> #include <linux/kthread.h> #include <linux/workqueue.h> @@ -108,7 +109,7 @@ struct ib_mad_agent_private { struct list_head rmpp_list; atomic_t refcount; - wait_queue_head_t wait; + struct completion comp; }; struct ib_mad_snoop_private { @@ -117,7 +118,7 @@ struct ib_mad_snoop_private { int snoop_index; int mad_snoop_flags; atomic_t refcount; - wait_queue_head_t wait; + struct completion comp; }; struct ib_mad_send_wr_private { diff --git a/drivers/infiniband/core/mad_rmpp.c b/drivers/infiniband/core/mad_rmpp.c index dfd4e588ce03..d4704e054e30 100644 --- a/drivers/infiniband/core/mad_rmpp.c +++ b/drivers/infiniband/core/mad_rmpp.c @@ -49,7 +49,7 @@ struct mad_rmpp_recv { struct list_head list; struct work_struct timeout_work; struct work_struct cleanup_work; - wait_queue_head_t wait; + struct completion comp; enum rmpp_state state; spinlock_t lock; atomic_t refcount; @@ -69,10 +69,16 @@ struct mad_rmpp_recv { u8 method; }; +static inline void deref_rmpp_recv(struct mad_rmpp_recv *rmpp_recv) +{ + if (atomic_dec_and_test(&rmpp_recv->refcount)) + complete(&rmpp_recv->comp); +} + static void destroy_rmpp_recv(struct mad_rmpp_recv *rmpp_recv) { - atomic_dec(&rmpp_recv->refcount); - wait_event(rmpp_recv->wait, !atomic_read(&rmpp_recv->refcount)); + deref_rmpp_recv(rmpp_recv); + wait_for_completion(&rmpp_recv->comp); ib_destroy_ah(rmpp_recv->ah); kfree(rmpp_recv); } @@ -253,7 +259,7 @@ create_rmpp_recv(struct ib_mad_agent_private *agent, goto error; rmpp_recv->agent = agent; - init_waitqueue_head(&rmpp_recv->wait); + init_completion(&rmpp_recv->comp); INIT_WORK(&rmpp_recv->timeout_work, recv_timeout_handler, rmpp_recv); INIT_WORK(&rmpp_recv->cleanup_work, recv_cleanup_handler, rmpp_recv); spin_lock_init(&rmpp_recv->lock); @@ -279,12 +285,6 @@ error: kfree(rmpp_recv); return NULL; } -static inline void deref_rmpp_recv(struct mad_rmpp_recv *rmpp_recv) -{ - if (atomic_dec_and_test(&rmpp_recv->refcount)) - wake_up(&rmpp_recv->wait); -} - static struct mad_rmpp_recv * find_rmpp_recv(struct ib_mad_agent_private *agent, struct ib_mad_recv_wc *mad_recv_wc) diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c index 15121cb5a1f6..21f9282c1b25 100644 --- a/drivers/infiniband/core/sysfs.c +++ b/drivers/infiniband/core/sysfs.c @@ -336,7 +336,7 @@ static ssize_t show_pma_counter(struct ib_port *p, struct port_attribute *attr, switch (width) { case 4: ret = sprintf(buf, "%u\n", (out_mad->data[40 + offset / 8] >> - (offset % 4)) & 0xf); + (4 - (offset % 8))) & 0xf); break; case 8: ret = sprintf(buf, "%u\n", out_mad->data[40 + offset / 8]); diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c index f6a05965a4e8..9164a09b6ccd 100644 --- a/drivers/infiniband/core/ucm.c +++ b/drivers/infiniband/core/ucm.c @@ -32,6 +32,8 @@ * * $Id: ucm.c 2594 2005-06-13 19:46:02Z libor $ */ + +#include <linux/completion.h> #include <linux/init.h> #include <linux/fs.h> #include <linux/module.h> @@ -72,7 +74,7 @@ struct ib_ucm_file { struct ib_ucm_context { int id; - wait_queue_head_t wait; + struct completion comp; atomic_t ref; int events_reported; @@ -138,7 +140,7 @@ static struct ib_ucm_context *ib_ucm_ctx_get(struct ib_ucm_file *file, int id) static void ib_ucm_ctx_put(struct ib_ucm_context *ctx) { if (atomic_dec_and_test(&ctx->ref)) - wake_up(&ctx->wait); + complete(&ctx->comp); } static inline int ib_ucm_new_cm_id(int event) @@ -178,7 +180,7 @@ static struct ib_ucm_context *ib_ucm_ctx_alloc(struct ib_ucm_file *file) return NULL; atomic_set(&ctx->ref, 1); - init_waitqueue_head(&ctx->wait); + init_completion(&ctx->comp); ctx->file = file; INIT_LIST_HEAD(&ctx->events); @@ -586,8 +588,8 @@ static ssize_t ib_ucm_destroy_id(struct ib_ucm_file *file, if (IS_ERR(ctx)) return PTR_ERR(ctx); - atomic_dec(&ctx->ref); - wait_event(ctx->wait, !atomic_read(&ctx->ref)); + ib_ucm_ctx_put(ctx); + wait_for_completion(&ctx->comp); /* No new events will be generated after destroying the cm_id. */ ib_destroy_cm_id(ctx->cm_id); diff --git a/drivers/infiniband/core/uverbs_mem.c b/drivers/infiniband/core/uverbs_mem.c index 36a32c315668..efe147dbeb42 100644 --- a/drivers/infiniband/core/uverbs_mem.c +++ b/drivers/infiniband/core/uverbs_mem.c @@ -211,8 +211,10 @@ void ib_umem_release_on_close(struct ib_device *dev, struct ib_umem *umem) */ work = kmalloc(sizeof *work, GFP_KERNEL); - if (!work) + if (!work) { + mmput(mm); return; + } INIT_WORK(&work->work, ib_umem_account, work); work->mm = mm; diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c index 398add4d4cb1..3697edafd6d2 100644 --- a/drivers/infiniband/hw/ipath/ipath_driver.c +++ b/drivers/infiniband/hw/ipath/ipath_driver.c @@ -116,10 +116,9 @@ static int __devinit ipath_init_one(struct pci_dev *, #define PCI_DEVICE_ID_INFINIPATH_PE800 0x10 static const struct pci_device_id ipath_pci_tbl[] = { - {PCI_DEVICE(PCI_VENDOR_ID_PATHSCALE, - PCI_DEVICE_ID_INFINIPATH_HT)}, - {PCI_DEVICE(PCI_VENDOR_ID_PATHSCALE, - PCI_DEVICE_ID_INFINIPATH_PE800)}, + { PCI_DEVICE(PCI_VENDOR_ID_PATHSCALE, PCI_DEVICE_ID_INFINIPATH_HT) }, + { PCI_DEVICE(PCI_VENDOR_ID_PATHSCALE, PCI_DEVICE_ID_INFINIPATH_PE800) }, + { 0, } }; MODULE_DEVICE_TABLE(pci, ipath_pci_tbl); diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c index 1985b5dfa481..798e13e14faf 100644 --- a/drivers/infiniband/hw/mthca/mthca_cmd.c +++ b/drivers/infiniband/hw/mthca/mthca_cmd.c @@ -182,7 +182,7 @@ struct mthca_cmd_context { u8 status; }; -static int fw_cmd_doorbell = 1; +static int fw_cmd_doorbell = 0; module_param(fw_cmd_doorbell, int, 0644); MODULE_PARM_DESC(fw_cmd_doorbell, "post FW commands through doorbell page if nonzero " "(and supported by FW)"); diff --git a/drivers/infiniband/hw/mthca/mthca_cq.c b/drivers/infiniband/hw/mthca/mthca_cq.c index 312cf90731ea..205854e9c662 100644 --- a/drivers/infiniband/hw/mthca/mthca_cq.c +++ b/drivers/infiniband/hw/mthca/mthca_cq.c @@ -238,9 +238,9 @@ void mthca_cq_event(struct mthca_dev *dev, u32 cqn, spin_lock(&dev->cq_table.lock); cq = mthca_array_get(&dev->cq_table.cq, cqn & (dev->limits.num_cqs - 1)); - if (cq) - atomic_inc(&cq->refcount); + ++cq->refcount; + spin_unlock(&dev->cq_table.lock); if (!cq) { @@ -254,8 +254,10 @@ void mthca_cq_event(struct mthca_dev *dev, u32 cqn, if (cq->ibcq.event_handler) cq->ibcq.event_handler(&event, cq->ibcq.cq_context); - if (atomic_dec_and_test(&cq->refcount)) + spin_lock(&dev->cq_table.lock); + if (!--cq->refcount) wake_up(&cq->wait); + spin_unlock(&dev->cq_table.lock); } static inline int is_recv_cqe(struct mthca_cqe *cqe) @@ -267,23 +269,13 @@ static inline int is_recv_cqe(struct mthca_cqe *cqe) return !(cqe->is_send & 0x80); } -void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn, +void mthca_cq_clean(struct mthca_dev *dev, struct mthca_cq *cq, u32 qpn, struct mthca_srq *srq) { - struct mthca_cq *cq; struct mthca_cqe *cqe; u32 prod_index; int nfreed = 0; - spin_lock_irq(&dev->cq_table.lock); - cq = mthca_array_get(&dev->cq_table.cq, cqn & (dev->limits.num_cqs - 1)); - if (cq) - atomic_inc(&cq->refcount); - spin_unlock_irq(&dev->cq_table.lock); - - if (!cq) - return; - spin_lock_irq(&cq->lock); /* @@ -301,7 +293,7 @@ void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn, if (0) mthca_dbg(dev, "Cleaning QPN %06x from CQN %06x; ci %d, pi %d\n", - qpn, cqn, cq->cons_index, prod_index); + qpn, cq->cqn, cq->cons_index, prod_index); /* * Now sweep backwards through the CQ, removing CQ entries @@ -325,8 +317,6 @@ void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn, } spin_unlock_irq(&cq->lock); - if (atomic_dec_and_test(&cq->refcount)) - wake_up(&cq->wait); } void mthca_cq_resize_copy_cqes(struct mthca_cq *cq) @@ -821,7 +811,7 @@ int mthca_init_cq(struct mthca_dev *dev, int nent, } spin_lock_init(&cq->lock); - atomic_set(&cq->refcount, 1); + cq->refcount = 1; init_waitqueue_head(&cq->wait); memset(cq_context, 0, sizeof *cq_context); @@ -896,6 +886,17 @@ err_out: return err; } +static inline int get_cq_refcount(struct mthca_dev *dev, struct mthca_cq *cq) +{ + int c; + + spin_lock_irq(&dev->cq_table.lock); + c = cq->refcount; + spin_unlock_irq(&dev->cq_table.lock); + + return c; +} + void mthca_free_cq(struct mthca_dev *dev, struct mthca_cq *cq) { @@ -929,6 +930,7 @@ void mthca_free_cq(struct mthca_dev *dev, spin_lock_irq(&dev->cq_table.lock); mthca_array_clear(&dev->cq_table.cq, cq->cqn & (dev->limits.num_cqs - 1)); + --cq->refcount; spin_unlock_irq(&dev->cq_table.lock); if (dev->mthca_flags & MTHCA_FLAG_MSI_X) @@ -936,8 +938,7 @@ void mthca_free_cq(struct mthca_dev *dev, else synchronize_irq(dev->pdev->irq); - atomic_dec(&cq->refcount); - wait_event(cq->wait, !atomic_read(&cq->refcount)); + wait_event(cq->wait, !get_cq_refcount(dev, cq)); if (cq->is_kernel) { mthca_free_cq_buf(dev, &cq->buf, cq->ibcq.cqe); diff --git a/drivers/infiniband/hw/mthca/mthca_dev.h b/drivers/infiniband/hw/mthca/mthca_dev.h index 4c1dcb4c1822..f8160b8de090 100644 --- a/drivers/infiniband/hw/mthca/mthca_dev.h +++ b/drivers/infiniband/hw/mthca/mthca_dev.h @@ -496,7 +496,7 @@ void mthca_free_cq(struct mthca_dev *dev, void mthca_cq_completion(struct mthca_dev *dev, u32 cqn); void mthca_cq_event(struct mthca_dev *dev, u32 cqn, enum ib_event_type event_type); -void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn, +void mthca_cq_clean(struct mthca_dev *dev, struct mthca_cq *cq, u32 qpn, struct mthca_srq *srq); void mthca_cq_resize_copy_cqes(struct mthca_cq *cq); int mthca_alloc_cq_buf(struct mthca_dev *dev, struct mthca_cq_buf *buf, int nent); diff --git a/drivers/infiniband/hw/mthca/mthca_mr.c b/drivers/infiniband/hw/mthca/mthca_mr.c index 25e1c1db9a40..a486dec1707e 100644 --- a/drivers/infiniband/hw/mthca/mthca_mr.c +++ b/drivers/infiniband/hw/mthca/mthca_mr.c @@ -761,6 +761,7 @@ void mthca_arbel_fmr_unmap(struct mthca_dev *dev, struct mthca_fmr *fmr) int __devinit mthca_init_mr_table(struct mthca_dev *dev) { + unsigned long addr; int err, i; err = mthca_alloc_init(&dev->mr_table.mpt_alloc, @@ -796,9 +797,12 @@ int __devinit mthca_init_mr_table(struct mthca_dev *dev) goto err_fmr_mpt; } + addr = pci_resource_start(dev->pdev, 4) + + ((pci_resource_len(dev->pdev, 4) - 1) & + dev->mr_table.mpt_base); + dev->mr_table.tavor_fmr.mpt_base = - ioremap(dev->mr_table.mpt_base, - (1 << i) * sizeof (struct mthca_mpt_entry)); + ioremap(addr, (1 << i) * sizeof(struct mthca_mpt_entry)); if (!dev->mr_table.tavor_fmr.mpt_base) { mthca_warn(dev, "MPT ioremap for FMR failed.\n"); @@ -806,9 +810,12 @@ int __devinit mthca_init_mr_table(struct mthca_dev *dev) goto err_fmr_mpt; } + addr = pci_resource_start(dev->pdev, 4) + + ((pci_resource_len(dev->pdev, 4) - 1) & + dev->mr_table.mtt_base); + dev->mr_table.tavor_fmr.mtt_base = - ioremap(dev->mr_table.mtt_base, - (1 << i) * MTHCA_MTT_SEG_SIZE); + ioremap(addr, (1 << i) * MTHCA_MTT_SEG_SIZE); if (!dev->mr_table.tavor_fmr.mtt_base) { mthca_warn(dev, "MTT ioremap for FMR failed.\n"); err = -ENOMEM; diff --git a/drivers/infiniband/hw/mthca/mthca_provider.h b/drivers/infiniband/hw/mthca/mthca_provider.h index 6676a786d690..179a8f610d0f 100644 --- a/drivers/infiniband/hw/mthca/mthca_provider.h +++ b/drivers/infiniband/hw/mthca/mthca_provider.h @@ -139,11 +139,12 @@ struct mthca_ah { * a qp may be locked, with the send cq locked first. No other * nesting should be done. * - * Each struct mthca_cq/qp also has an atomic_t ref count. The - * pointer from the cq/qp_table to the struct counts as one reference. - * This reference also is good for access through the consumer API, so - * modifying the CQ/QP etc doesn't need to take another reference. - * Access because of a completion being polled does need a reference. + * Each struct mthca_cq/qp also has an ref count, protected by the + * corresponding table lock. The pointer from the cq/qp_table to the + * struct counts as one reference. This reference also is good for + * access through the consumer API, so modifying the CQ/QP etc doesn't + * need to take another reference. Access to a QP because of a + * completion being polled does not need a reference either. * * Finally, each struct mthca_cq/qp has a wait_queue_head_t for the * destroy function to sleep on. @@ -159,8 +160,9 @@ struct mthca_ah { * - decrement ref count; if zero, wake up waiters * * To destroy a CQ/QP, we can do the following: - * - lock cq/qp_table, remove pointer, unlock cq/qp_table lock - * - decrement ref count + * - lock cq/qp_table + * - remove pointer and decrement ref count + * - unlock cq/qp_table lock * - wait_event until ref count is zero * * It is the consumer's responsibilty to make sure that no QP @@ -197,7 +199,7 @@ struct mthca_cq_resize { struct mthca_cq { struct ib_cq ibcq; spinlock_t lock; - atomic_t refcount; + int refcount; int cqn; u32 cons_index; struct mthca_cq_buf buf; @@ -217,7 +219,7 @@ struct mthca_cq { struct mthca_srq { struct ib_srq ibsrq; spinlock_t lock; - atomic_t refcount; + int refcount; int srqn; int max; int max_gs; @@ -254,7 +256,7 @@ struct mthca_wq { struct mthca_qp { struct ib_qp ibqp; - atomic_t refcount; + int refcount; u32 qpn; int is_direct; u8 port; /* for SQP and memfree use only */ diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c index f37b0e367323..07c13be07a4a 100644 --- a/drivers/infiniband/hw/mthca/mthca_qp.c +++ b/drivers/infiniband/hw/mthca/mthca_qp.c @@ -240,7 +240,7 @@ void mthca_qp_event(struct mthca_dev *dev, u32 qpn, spin_lock(&dev->qp_table.lock); qp = mthca_array_get(&dev->qp_table.qp, qpn & (dev->limits.num_qps - 1)); if (qp) - atomic_inc(&qp->refcount); + ++qp->refcount; spin_unlock(&dev->qp_table.lock); if (!qp) { @@ -257,8 +257,10 @@ void mthca_qp_event(struct mthca_dev *dev, u32 qpn, if (qp->ibqp.event_handler) qp->ibqp.event_handler(&event, qp->ibqp.qp_context); - if (atomic_dec_and_test(&qp->refcount)) + spin_lock(&dev->qp_table.lock); + if (!--qp->refcount) wake_up(&qp->wait); + spin_unlock(&dev->qp_table.lock); } static int to_mthca_state(enum ib_qp_state ib_state) @@ -833,10 +835,10 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask) * entries and reinitialize the QP. */ if (new_state == IB_QPS_RESET && !qp->ibqp.uobject) { - mthca_cq_clean(dev, to_mcq(qp->ibqp.send_cq)->cqn, qp->qpn, + mthca_cq_clean(dev, to_mcq(qp->ibqp.send_cq), qp->qpn, qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); if (qp->ibqp.send_cq != qp->ibqp.recv_cq) - mthca_cq_clean(dev, to_mcq(qp->ibqp.recv_cq)->cqn, qp->qpn, + mthca_cq_clean(dev, to_mcq(qp->ibqp.recv_cq), qp->qpn, qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); mthca_wq_init(&qp->sq); @@ -1096,7 +1098,7 @@ static int mthca_alloc_qp_common(struct mthca_dev *dev, int ret; int i; - atomic_set(&qp->refcount, 1); + qp->refcount = 1; init_waitqueue_head(&qp->wait); qp->state = IB_QPS_RESET; qp->atomic_rd_en = 0; @@ -1318,6 +1320,17 @@ int mthca_alloc_sqp(struct mthca_dev *dev, return err; } +static inline int get_qp_refcount(struct mthca_dev *dev, struct mthca_qp *qp) +{ + int c; + + spin_lock_irq(&dev->qp_table.lock); + c = qp->refcount; + spin_unlock_irq(&dev->qp_table.lock); + + return c; +} + void mthca_free_qp(struct mthca_dev *dev, struct mthca_qp *qp) { @@ -1339,14 +1352,14 @@ void mthca_free_qp(struct mthca_dev *dev, spin_lock(&dev->qp_table.lock); mthca_array_clear(&dev->qp_table.qp, qp->qpn & (dev->limits.num_qps - 1)); + --qp->refcount; spin_unlock(&dev->qp_table.lock); if (send_cq != recv_cq) spin_unlock(&recv_cq->lock); spin_unlock_irq(&send_cq->lock); - atomic_dec(&qp->refcount); - wait_event(qp->wait, !atomic_read(&qp->refcount)); + wait_event(qp->wait, !get_qp_refcount(dev, qp)); if (qp->state != IB_QPS_RESET) mthca_MODIFY_QP(dev, qp->state, IB_QPS_RESET, qp->qpn, 0, @@ -1358,10 +1371,10 @@ void mthca_free_qp(struct mthca_dev *dev, * unref the mem-free tables and free the QPN in our table. */ if (!qp->ibqp.uobject) { - mthca_cq_clean(dev, to_mcq(qp->ibqp.send_cq)->cqn, qp->qpn, + mthca_cq_clean(dev, to_mcq(qp->ibqp.send_cq), qp->qpn, qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); if (qp->ibqp.send_cq != qp->ibqp.recv_cq) - mthca_cq_clean(dev, to_mcq(qp->ibqp.recv_cq)->cqn, qp->qpn, + mthca_cq_clean(dev, to_mcq(qp->ibqp.recv_cq), qp->qpn, qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL); mthca_free_memfree(dev, qp); @@ -1714,23 +1727,7 @@ int mthca_tavor_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr, ind = qp->rq.next_ind; - for (nreq = 0; wr; ++nreq, wr = wr->next) { - if (unlikely(nreq == MTHCA_TAVOR_MAX_WQES_PER_RECV_DB)) { - nreq = 0; - - doorbell[0] = cpu_to_be32((qp->rq.next_ind << qp->rq.wqe_shift) | size0); - doorbell[1] = cpu_to_be32(qp->qpn << 8); - - wmb(); - - mthca_write64(doorbell, - dev->kar + MTHCA_RECEIVE_DOORBELL, - MTHCA_GET_DOORBELL_LOCK(&dev->doorbell_lock)); - - qp->rq.head += MTHCA_TAVOR_MAX_WQES_PER_RECV_DB; - size0 = 0; - } - + for (nreq = 0; wr; wr = wr->next) { if (mthca_wq_overflow(&qp->rq, nreq, qp->ibqp.recv_cq)) { mthca_err(dev, "RQ %06x full (%u head, %u tail," " %d max, %d nreq)\n", qp->qpn, @@ -1784,6 +1781,23 @@ int mthca_tavor_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr, ++ind; if (unlikely(ind >= qp->rq.max)) ind -= qp->rq.max; + + ++nreq; + if (unlikely(nreq == MTHCA_TAVOR_MAX_WQES_PER_RECV_DB)) { + nreq = 0; + + doorbell[0] = cpu_to_be32((qp->rq.next_ind << qp->rq.wqe_shift) | size0); + doorbell[1] = cpu_to_be32(qp->qpn << 8); + + wmb(); + + mthca_write64(doorbell, + dev->kar + MTHCA_RECEIVE_DOORBELL, + MTHCA_GET_DOORBELL_LOCK(&dev->doorbell_lock)); + + qp->rq.head += MTHCA_TAVOR_MAX_WQES_PER_RECV_DB; + size0 = 0; + } } out: diff --git a/drivers/infiniband/hw/mthca/mthca_srq.c b/drivers/infiniband/hw/mthca/mthca_srq.c index adcaf85355ae..1ea433291fa7 100644 --- a/drivers/infiniband/hw/mthca/mthca_srq.c +++ b/drivers/infiniband/hw/mthca/mthca_srq.c @@ -241,7 +241,7 @@ int mthca_alloc_srq(struct mthca_dev *dev, struct mthca_pd *pd, goto err_out_mailbox; spin_lock_init(&srq->lock); - atomic_set(&srq->refcount, 1); + srq->refcount = 1; init_waitqueue_head(&srq->wait); if (mthca_is_memfree(dev)) @@ -308,6 +308,17 @@ err_out: return err; } +static inline int get_srq_refcount(struct mthca_dev *dev, struct mthca_srq *srq) +{ + int c; + + spin_lock_irq(&dev->srq_table.lock); + c = srq->refcount; + spin_unlock_irq(&dev->srq_table.lock); + + return c; +} + void mthca_free_srq(struct mthca_dev *dev, struct mthca_srq *srq) { struct mthca_mailbox *mailbox; @@ -329,10 +340,10 @@ void mthca_free_srq(struct mthca_dev *dev, struct mthca_srq *srq) spin_lock_irq(&dev->srq_table.lock); mthca_array_clear(&dev->srq_table.srq, srq->srqn & (dev->limits.num_srqs - 1)); + --srq->refcount; spin_unlock_irq(&dev->srq_table.lock); - atomic_dec(&srq->refcount); - wait_event(srq->wait, !atomic_read(&srq->refcount)); + wait_event(srq->wait, !get_srq_refcount(dev, srq)); if (!srq->ibsrq.uobject) { mthca_free_srq_buf(dev, srq); @@ -414,7 +425,7 @@ void mthca_srq_event(struct mthca_dev *dev, u32 srqn, spin_lock(&dev->srq_table.lock); srq = mthca_array_get(&dev->srq_table.srq, srqn & (dev->limits.num_srqs - 1)); if (srq) - atomic_inc(&srq->refcount); + ++srq->refcount; spin_unlock(&dev->srq_table.lock); if (!srq) { @@ -431,8 +442,10 @@ void mthca_srq_event(struct mthca_dev *dev, u32 srqn, srq->ibsrq.event_handler(&event, srq->ibsrq.srq_context); out: - if (atomic_dec_and_test(&srq->refcount)) + spin_lock(&dev->srq_table.lock); + if (!--srq->refcount) wake_up(&srq->wait); + spin_unlock(&dev->srq_table.lock); } /* diff --git a/drivers/infiniband/ulp/ipoib/ipoib_vlan.c b/drivers/infiniband/ulp/ipoib/ipoib_vlan.c index 4ca175553f9f..f887780e8093 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_vlan.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_vlan.c @@ -158,10 +158,8 @@ int ipoib_vlan_delete(struct net_device *pdev, unsigned short pkey) if (priv->pkey == pkey) { unregister_netdev(priv->dev); ipoib_dev_cleanup(priv->dev); - list_del(&priv->list); - - kfree(priv); + free_netdev(priv->dev); ret = 0; break; diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index 5bb55742ada6..9cbdffa08dc2 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -340,7 +340,10 @@ static void srp_disconnect_target(struct srp_target_port *target) /* XXX should send SRP_I_LOGOUT request */ init_completion(&target->done); - ib_send_cm_dreq(target->cm_id, NULL, 0); + if (ib_send_cm_dreq(target->cm_id, NULL, 0)) { + printk(KERN_DEBUG PFX "Sending CM DREQ failed\n"); + return; + } wait_for_completion(&target->done); } @@ -351,7 +354,6 @@ static void srp_remove_work(void *target_ptr) spin_lock_irq(target->scsi_host->host_lock); if (target->state != SRP_TARGET_DEAD) { spin_unlock_irq(target->scsi_host->host_lock); - scsi_host_put(target->scsi_host); return; } target->state = SRP_TARGET_REMOVED; @@ -365,8 +367,6 @@ static void srp_remove_work(void *target_ptr) ib_destroy_cm_id(target->cm_id); srp_free_target_ib(target); scsi_host_put(target->scsi_host); - /* And another put to really free the target port... */ - scsi_host_put(target->scsi_host); } static int srp_connect_target(struct srp_target_port *target) @@ -409,6 +409,34 @@ static int srp_connect_target(struct srp_target_port *target) } } +static void srp_unmap_data(struct scsi_cmnd *scmnd, + struct srp_target_port *target, + struct srp_request *req) +{ + struct scatterlist *scat; + int nents; + + if (!scmnd->request_buffer || + (scmnd->sc_data_direction != DMA_TO_DEVICE && + scmnd->sc_data_direction != DMA_FROM_DEVICE)) + return; + + /* + * This handling of non-SG commands can be killed when the + * SCSI midlayer no longer generates non-SG commands. + */ + if (likely(scmnd->use_sg)) { + nents = scmnd->use_sg; + scat = scmnd->request_buffer; + } else { + nents = 1; + scat = &req->fake_sg; + } + + dma_unmap_sg(target->srp_host->dev->dma_device, scat, nents, + scmnd->sc_data_direction); +} + static int srp_reconnect_target(struct srp_target_port *target) { struct ib_cm_id *new_cm_id; @@ -455,16 +483,16 @@ static int srp_reconnect_target(struct srp_target_port *target) list_for_each_entry(req, &target->req_queue, list) { req->scmnd->result = DID_RESET << 16; req->scmnd->scsi_done(req->scmnd); + srp_unmap_data(req->scmnd, target, req); } target->rx_head = 0; target->tx_head = 0; target->tx_tail = 0; - target->req_head = 0; - for (i = 0; i < SRP_SQ_SIZE - 1; ++i) - target->req_ring[i].next = i + 1; - target->req_ring[SRP_SQ_SIZE - 1].next = -1; + INIT_LIST_HEAD(&target->free_reqs); INIT_LIST_HEAD(&target->req_queue); + for (i = 0; i < SRP_SQ_SIZE; ++i) + list_add_tail(&target->req_ring[i].list, &target->free_reqs); ret = srp_connect_target(target); if (ret) @@ -589,40 +617,10 @@ static int srp_map_data(struct scsi_cmnd *scmnd, struct srp_target_port *target, return len; } -static void srp_unmap_data(struct scsi_cmnd *scmnd, - struct srp_target_port *target, - struct srp_request *req) -{ - struct scatterlist *scat; - int nents; - - if (!scmnd->request_buffer || - (scmnd->sc_data_direction != DMA_TO_DEVICE && - scmnd->sc_data_direction != DMA_FROM_DEVICE)) - return; - - /* - * This handling of non-SG commands can be killed when the - * SCSI midlayer no longer generates non-SG commands. - */ - if (likely(scmnd->use_sg)) { - nents = scmnd->use_sg; - scat = scmnd->request_buffer; - } else { - nents = 1; - scat = &req->fake_sg; - } - - dma_unmap_sg(target->srp_host->dev->dma_device, scat, nents, - scmnd->sc_data_direction); -} - -static void srp_remove_req(struct srp_target_port *target, struct srp_request *req, - int index) +static void srp_remove_req(struct srp_target_port *target, struct srp_request *req) { - list_del(&req->list); - req->next = target->req_head; - target->req_head = index; + srp_unmap_data(req->scmnd, target, req); + list_move_tail(&req->list, &target->free_reqs); } static void srp_process_rsp(struct srp_target_port *target, struct srp_rsp *rsp) @@ -647,7 +645,7 @@ static void srp_process_rsp(struct srp_target_port *target, struct srp_rsp *rsp) req->tsk_status = rsp->data[3]; complete(&req->done); } else { - scmnd = req->scmnd; + scmnd = req->scmnd; if (!scmnd) printk(KERN_ERR "Null scmnd for RSP w/tag %016llx\n", (unsigned long long) rsp->tag); @@ -665,14 +663,11 @@ static void srp_process_rsp(struct srp_target_port *target, struct srp_rsp *rsp) else if (rsp->flags & (SRP_RSP_FLAG_DIOVER | SRP_RSP_FLAG_DIUNDER)) scmnd->resid = be32_to_cpu(rsp->data_in_res_cnt); - srp_unmap_data(scmnd, target, req); - if (!req->tsk_mgmt) { - req->scmnd = NULL; scmnd->host_scribble = (void *) -1L; scmnd->scsi_done(scmnd); - srp_remove_req(target, req, rsp->tag & ~SRP_TAG_TSK_MGMT); + srp_remove_req(target, req); } else req->cmd_done = 1; } @@ -859,7 +854,6 @@ static int srp_queuecommand(struct scsi_cmnd *scmnd, struct srp_request *req; struct srp_iu *iu; struct srp_cmd *cmd; - long req_index; int len; if (target->state == SRP_TARGET_CONNECTING) @@ -879,22 +873,20 @@ static int srp_queuecommand(struct scsi_cmnd *scmnd, dma_sync_single_for_cpu(target->srp_host->dev->dma_device, iu->dma, SRP_MAX_IU_LEN, DMA_TO_DEVICE); - req_index = target->req_head; + req = list_entry(target->free_reqs.next, struct srp_request, list); scmnd->scsi_done = done; scmnd->result = 0; - scmnd->host_scribble = (void *) req_index; + scmnd->host_scribble = (void *) (long) req->index; cmd = iu->buf; memset(cmd, 0, sizeof *cmd); cmd->opcode = SRP_CMD; cmd->lun = cpu_to_be64((u64) scmnd->device->lun << 48); - cmd->tag = req_index; + cmd->tag = req->index; memcpy(cmd->cdb, scmnd->cmnd, scmnd->cmd_len); - req = &target->req_ring[req_index]; - req->scmnd = scmnd; req->cmd = iu; req->cmd_done = 0; @@ -919,8 +911,7 @@ static int srp_queuecommand(struct scsi_cmnd *scmnd, goto err_unmap; } - target->req_head = req->next; - list_add_tail(&req->list, &target->req_queue); + list_move_tail(&req->list, &target->req_queue); return 0; @@ -1143,30 +1134,20 @@ static int srp_cm_handler(struct ib_cm_id *cm_id, struct ib_cm_event *event) return 0; } -static int srp_send_tsk_mgmt(struct scsi_cmnd *scmnd, u8 func) +static int srp_send_tsk_mgmt(struct srp_target_port *target, + struct srp_request *req, u8 func) { - struct srp_target_port *target = host_to_target(scmnd->device->host); - struct srp_request *req; struct srp_iu *iu; struct srp_tsk_mgmt *tsk_mgmt; - int req_index; - int ret = FAILED; spin_lock_irq(target->scsi_host->host_lock); if (target->state == SRP_TARGET_DEAD || target->state == SRP_TARGET_REMOVED) { - scmnd->result = DID_BAD_TARGET << 16; + req->scmnd->result = DID_BAD_TARGET << 16; goto out; } - if (scmnd->host_scribble == (void *) -1L) - goto out; - - req_index = (long) scmnd->host_scribble; - printk(KERN_ERR "Abort for req_index %d\n", req_index); - - req = &target->req_ring[req_index]; init_completion(&req->done); iu = __srp_get_tx_iu(target); @@ -1177,10 +1158,10 @@ static int srp_send_tsk_mgmt(struct scsi_cmnd *scmnd, u8 func) memset(tsk_mgmt, 0, sizeof *tsk_mgmt); tsk_mgmt->opcode = SRP_TSK_MGMT; - tsk_mgmt->lun = cpu_to_be64((u64) scmnd->device->lun << 48); - tsk_mgmt->tag = req_index | SRP_TAG_TSK_MGMT; + tsk_mgmt->lun = cpu_to_be64((u64) req->scmnd->device->lun << 48); + tsk_mgmt->tag = req->index | SRP_TAG_TSK_MGMT; tsk_mgmt->tsk_mgmt_func = func; - tsk_mgmt->task_tag = req_index; + tsk_mgmt->task_tag = req->index; if (__srp_post_send(target, iu, sizeof *tsk_mgmt)) goto out; @@ -1188,37 +1169,85 @@ static int srp_send_tsk_mgmt(struct scsi_cmnd *scmnd, u8 func) req->tsk_mgmt = iu; spin_unlock_irq(target->scsi_host->host_lock); + if (!wait_for_completion_timeout(&req->done, msecs_to_jiffies(SRP_ABORT_TIMEOUT_MS))) - return FAILED; - spin_lock_irq(target->scsi_host->host_lock); + return -1; - if (req->cmd_done) { - srp_remove_req(target, req, req_index); - scmnd->scsi_done(scmnd); - } else if (!req->tsk_status) { - srp_remove_req(target, req, req_index); - scmnd->result = DID_ABORT << 16; - ret = SUCCESS; - } + return 0; out: spin_unlock_irq(target->scsi_host->host_lock); - return ret; + return -1; +} + +static int srp_find_req(struct srp_target_port *target, + struct scsi_cmnd *scmnd, + struct srp_request **req) +{ + if (scmnd->host_scribble == (void *) -1L) + return -1; + + *req = &target->req_ring[(long) scmnd->host_scribble]; + + return 0; } static int srp_abort(struct scsi_cmnd *scmnd) { + struct srp_target_port *target = host_to_target(scmnd->device->host); + struct srp_request *req; + int ret = SUCCESS; + printk(KERN_ERR "SRP abort called\n"); - return srp_send_tsk_mgmt(scmnd, SRP_TSK_ABORT_TASK); + if (srp_find_req(target, scmnd, &req)) + return FAILED; + if (srp_send_tsk_mgmt(target, req, SRP_TSK_ABORT_TASK)) + return FAILED; + + spin_lock_irq(target->scsi_host->host_lock); + + if (req->cmd_done) { + srp_remove_req(target, req); + scmnd->scsi_done(scmnd); + } else if (!req->tsk_status) { + srp_remove_req(target, req); + scmnd->result = DID_ABORT << 16; + } else + ret = FAILED; + + spin_unlock_irq(target->scsi_host->host_lock); + + return ret; } static int srp_reset_device(struct scsi_cmnd *scmnd) { + struct srp_target_port *target = host_to_target(scmnd->device->host); + struct srp_request *req, *tmp; + printk(KERN_ERR "SRP reset_device called\n"); - return srp_send_tsk_mgmt(scmnd, SRP_TSK_LUN_RESET); + if (srp_find_req(target, scmnd, &req)) + return FAILED; + if (srp_send_tsk_mgmt(target, req, SRP_TSK_LUN_RESET)) + return FAILED; + if (req->tsk_status) + return FAILED; + + spin_lock_irq(target->scsi_host->host_lock); + + list_for_each_entry_safe(req, tmp, &target->req_queue, list) + if (req->scmnd->device == scmnd->device) { + req->scmnd->result = DID_RESET << 16; + req->scmnd->scsi_done(req->scmnd); + srp_remove_req(target, req); + } + + spin_unlock_irq(target->scsi_host->host_lock); + + return SUCCESS; } static int srp_reset_host(struct scsi_cmnd *scmnd) @@ -1518,10 +1547,12 @@ static ssize_t srp_create_target(struct class_device *class_dev, INIT_WORK(&target->work, srp_reconnect_work, target); - for (i = 0; i < SRP_SQ_SIZE - 1; ++i) - target->req_ring[i].next = i + 1; - target->req_ring[SRP_SQ_SIZE - 1].next = -1; + INIT_LIST_HEAD(&target->free_reqs); INIT_LIST_HEAD(&target->req_queue); + for (i = 0; i < SRP_SQ_SIZE; ++i) { + target->req_ring[i].index = i; + list_add_tail(&target->req_ring[i].list, &target->free_reqs); + } ret = srp_parse_options(buf, target); if (ret) diff --git a/drivers/infiniband/ulp/srp/ib_srp.h b/drivers/infiniband/ulp/srp/ib_srp.h index bd7f7c3115de..c5cd43aae860 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.h +++ b/drivers/infiniband/ulp/srp/ib_srp.h @@ -101,7 +101,7 @@ struct srp_request { */ struct scatterlist fake_sg; struct completion done; - short next; + short index; u8 cmd_done; u8 tsk_status; }; @@ -133,7 +133,7 @@ struct srp_target_port { unsigned tx_tail; struct srp_iu *tx_ring[SRP_SQ_SIZE + 1]; - int req_head; + struct list_head free_reqs; struct list_head req_queue; struct srp_request req_ring[SRP_SQ_SIZE]; diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c index 9b493f0becc4..173c899a1fb4 100644 --- a/drivers/isdn/capi/capi.c +++ b/drivers/isdn/capi/capi.c @@ -1499,7 +1499,6 @@ static int __init capi_init(void) printk(KERN_ERR "capi20: unable to get major %d\n", capi_major); return major_ret; } - capi_major = major_ret; capi_class = class_create(THIS_MODULE, "capi"); if (IS_ERR(capi_class)) { unregister_chrdev(capi_major, "capi20"); diff --git a/drivers/isdn/gigaset/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c index bfb73fd5077e..d86ab68114b0 100644 --- a/drivers/isdn/gigaset/usb-gigaset.c +++ b/drivers/isdn/gigaset/usb-gigaset.c @@ -710,8 +710,8 @@ static int gigaset_probe(struct usb_interface *interface, retval = -ENODEV; //FIXME /* See if the device offered us matches what we can accept */ - if ((le16_to_cpu(udev->descriptor.idVendor != USB_M105_VENDOR_ID)) || - (le16_to_cpu(udev->descriptor.idProduct != USB_M105_PRODUCT_ID))) + if ((le16_to_cpu(udev->descriptor.idVendor) != USB_M105_VENDOR_ID) || + (le16_to_cpu(udev->descriptor.idProduct) != USB_M105_PRODUCT_ID)) return -ENODEV; /* this starts to become ascii art... */ diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c index 3585fb1f3344..2ac90242d263 100644 --- a/drivers/isdn/i4l/isdn_tty.c +++ b/drivers/isdn/i4l/isdn_tty.c @@ -2880,7 +2880,7 @@ isdn_tty_cmd_ATand(char **p, modem_info * info) p[0]++; i = 0; while (*p[0] && (strchr("0123456789,-*[]?;", *p[0])) && - (i < ISDN_LMSNLEN)) + (i < ISDN_LMSNLEN - 1)) m->lmsn[i++] = *p[0]++; m->lmsn[i] = '\0'; break; diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig index 3f5b64794542..626506234b76 100644 --- a/drivers/leds/Kconfig +++ b/drivers/leds/Kconfig @@ -4,8 +4,11 @@ menu "LED devices" config NEW_LEDS bool "LED Support" help - Say Y to enable Linux LED support. This is not related to standard - keyboard LEDs which are controlled via the input system. + Say Y to enable Linux LED support. This allows control of supported + LEDs from both userspace and optionally, by kernel events (triggers). + + This is not related to standard keyboard LEDs which are controlled + via the input system. config LEDS_CLASS tristate "LED Class Support" diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c index b0b5d05fadd6..c75d0ef1609c 100644 --- a/drivers/leds/led-class.c +++ b/drivers/leds/led-class.c @@ -19,6 +19,7 @@ #include <linux/sysdev.h> #include <linux/timer.h> #include <linux/err.h> +#include <linux/ctype.h> #include <linux/leds.h> #include "leds.h" @@ -43,9 +44,13 @@ static ssize_t led_brightness_store(struct class_device *dev, ssize_t ret = -EINVAL; char *after; unsigned long state = simple_strtoul(buf, &after, 10); + size_t count = after - buf; - if (after - buf > 0) { - ret = after - buf; + if (*after && isspace(*after)) + count++; + + if (count == size) { + ret = count; led_set_brightness(led_cdev, state); } diff --git a/drivers/leds/ledtrig-timer.c b/drivers/leds/ledtrig-timer.c index f484b5d6dbf8..fbf141ef46ec 100644 --- a/drivers/leds/ledtrig-timer.c +++ b/drivers/leds/ledtrig-timer.c @@ -20,6 +20,7 @@ #include <linux/device.h> #include <linux/sysdev.h> #include <linux/timer.h> +#include <linux/ctype.h> #include <linux/leds.h> #include "leds.h" @@ -69,11 +70,15 @@ static ssize_t led_delay_on_store(struct class_device *dev, const char *buf, int ret = -EINVAL; char *after; unsigned long state = simple_strtoul(buf, &after, 10); + size_t count = after - buf; - if (after - buf > 0) { + if (*after && isspace(*after)) + count++; + + if (count == size) { timer_data->delay_on = state; mod_timer(&timer_data->timer, jiffies + 1); - ret = after - buf; + ret = count; } return ret; @@ -97,11 +102,15 @@ static ssize_t led_delay_off_store(struct class_device *dev, const char *buf, int ret = -EINVAL; char *after; unsigned long state = simple_strtoul(buf, &after, 10); + size_t count = after - buf; + + if (*after && isspace(*after)) + count++; - if (after - buf > 0) { + if (count == size) { timer_data->delay_off = state; mod_timer(&timer_data->timer, jiffies + 1); - ret = after - buf; + ret = count; } return ret; diff --git a/drivers/md/md.c b/drivers/md/md.c index d7316b829a62..3ca3cfb03a7e 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -2252,7 +2252,7 @@ action_store(mddev_t *mddev, const char *page, size_t len) } else { if (cmd_match(page, "check")) set_bit(MD_RECOVERY_CHECK, &mddev->recovery); - else if (cmd_match(page, "repair")) + else if (!cmd_match(page, "repair")) return -EINVAL; set_bit(MD_RECOVERY_REQUESTED, &mddev->recovery); set_bit(MD_RECOVERY_SYNC, &mddev->recovery); diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index 678f4dbbea1d..cb8c6317e4e5 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -331,13 +331,14 @@ static int raid0_run (mddev_t *mddev) goto out_free_conf; size = conf->strip_zone[cur].size; - for (i=0; i< nb_zone; i++) { - conf->hash_table[i] = conf->strip_zone + cur; + conf->hash_table[0] = conf->strip_zone + cur; + for (i=1; i< nb_zone; i++) { while (size <= conf->hash_spacing) { cur++; size += conf->strip_zone[cur].size; } size -= conf->hash_spacing; + conf->hash_table[i] = conf->strip_zone + cur; } if (conf->preshift) { conf->hash_spacing >>= conf->preshift; diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig index fffc711c260c..344d83aae3ec 100644 --- a/drivers/media/Kconfig +++ b/drivers/media/Kconfig @@ -8,22 +8,54 @@ config VIDEO_DEV tristate "Video For Linux" ---help--- Support for audio/video capture and overlay devices and FM radio - cards. The exact capabilities of each device vary. User tools for - this are available from - <ftp://ftp.uk.linux.org/pub/linux/video4linux/>. + cards. The exact capabilities of each device vary. This kernel includes support for the new Video for Linux Two API, (V4L2) as well as the original system. Drivers and applications need to be rewritten to use V4L2, but drivers for popular cards and applications for most video capture functions already exist. - Documentation for the original API is included in the file - <file:Documentation/video4linux/API.html>. Documentation for V4L2 is - available on the web at <http://bytesex.org/v4l/>. + Additional info and docs are available on the web at + <http://linuxtv.org> + + Documentation for V4L2 is also available on the web at + <http://bytesex.org/v4l/>. To compile this driver as a module, choose M here: the module will be called videodev. +config VIDEO_V4L1 + boolean "Enable Video For Linux API 1 (DEPRECATED)" + depends on VIDEO_DEV + select VIDEO_V4L1_COMPAT + default y + ---help--- + Enables a compatibility API used by most V4L2 devices to allow + its usage with legacy applications that supports only V4L1 api. + + If you are unsure as to whether this is required, answer Y. + +config VIDEO_V4L1_COMPAT + boolean "Enable Video For Linux API 1 compatible Layer" + depends on VIDEO_DEV + default y + ---help--- + This api were developed to be used at Kernel 2.2 and 2.4, but + lacks support for several video standards. There are several + drivers at kernel that still depends on it. + + Documentation for the original API is included in the file + <Documentation/video4linux/API.html>. + + User tools for this are available from + <ftp://ftp.uk.linux.org/pub/linux/video4linux/>. + + If you are unsure as to whether this is required, answer Y. + +config VIDEO_V4L2 + tristate + default y + source "drivers/media/video/Kconfig" source "drivers/media/radio/Kconfig" @@ -65,4 +97,3 @@ config USB_DABUSB module will be called dabusb. endmenu - diff --git a/drivers/media/common/Kconfig b/drivers/media/common/Kconfig index 6a901a0268e1..9c45b983e0de 100644 --- a/drivers/media/common/Kconfig +++ b/drivers/media/common/Kconfig @@ -4,6 +4,7 @@ config VIDEO_SAA7146 config VIDEO_SAA7146_VV tristate + select VIDEO_V4L2 select VIDEO_BUF select VIDEO_VIDEOBUF select VIDEO_SAA7146 diff --git a/drivers/media/dvb/Kconfig b/drivers/media/dvb/Kconfig index 3f0ec6be03ae..a97c8f5e9a5d 100644 --- a/drivers/media/dvb/Kconfig +++ b/drivers/media/dvb/Kconfig @@ -22,26 +22,26 @@ config DVB source "drivers/media/dvb/dvb-core/Kconfig" comment "Supported SAA7146 based PCI Adapters" - depends on DVB_CORE && PCI + depends on DVB_CORE && PCI && I2C source "drivers/media/dvb/ttpci/Kconfig" comment "Supported USB Adapters" - depends on DVB_CORE && USB + depends on DVB_CORE && USB && I2C source "drivers/media/dvb/dvb-usb/Kconfig" source "drivers/media/dvb/ttusb-budget/Kconfig" source "drivers/media/dvb/ttusb-dec/Kconfig" source "drivers/media/dvb/cinergyT2/Kconfig" comment "Supported FlexCopII (B2C2) Adapters" - depends on DVB_CORE && (PCI || USB) + depends on DVB_CORE && (PCI || USB) && I2C source "drivers/media/dvb/b2c2/Kconfig" comment "Supported BT878 Adapters" - depends on DVB_CORE && PCI + depends on DVB_CORE && PCI && I2C source "drivers/media/dvb/bt8xx/Kconfig" comment "Supported Pluto2 Adapters" - depends on DVB_CORE && PCI + depends on DVB_CORE && PCI && I2C source "drivers/media/dvb/pluto2/Kconfig" comment "Supported DVB Frontends" diff --git a/drivers/media/dvb/b2c2/Kconfig b/drivers/media/dvb/b2c2/Kconfig index 2963605c0ecc..d7f1fd5b7b02 100644 --- a/drivers/media/dvb/b2c2/Kconfig +++ b/drivers/media/dvb/b2c2/Kconfig @@ -1,6 +1,6 @@ config DVB_B2C2_FLEXCOP tristate "Technisat/B2C2 FlexCopII(b) and FlexCopIII adapters" - depends on DVB_CORE + depends on DVB_CORE && I2C select DVB_STV0299 select DVB_MT352 select DVB_MT312 @@ -16,7 +16,7 @@ config DVB_B2C2_FLEXCOP config DVB_B2C2_FLEXCOP_PCI tristate "Technisat/B2C2 Air/Sky/Cable2PC PCI" - depends on DVB_B2C2_FLEXCOP && PCI + depends on DVB_B2C2_FLEXCOP && PCI && I2C help Support for the Air/Sky/CableStar2 PCI card (DVB/ATSC) by Technisat/B2C2. @@ -24,7 +24,7 @@ config DVB_B2C2_FLEXCOP_PCI config DVB_B2C2_FLEXCOP_USB tristate "Technisat/B2C2 Air/Sky/Cable2PC USB" - depends on DVB_B2C2_FLEXCOP && USB + depends on DVB_B2C2_FLEXCOP && USB && I2C help Support for the Air/Sky/Cable2PC USB1.1 box (DVB/ATSC) by Technisat/B2C2, diff --git a/drivers/media/dvb/bt8xx/Kconfig b/drivers/media/dvb/bt8xx/Kconfig index 376ca48f1d1d..f394002118f8 100644 --- a/drivers/media/dvb/bt8xx/Kconfig +++ b/drivers/media/dvb/bt8xx/Kconfig @@ -1,12 +1,13 @@ config DVB_BT8XX tristate "BT8xx based PCI cards" - depends on DVB_CORE && PCI && VIDEO_BT848 + depends on DVB_CORE && PCI && I2C && VIDEO_BT848 select DVB_MT352 select DVB_SP887X select DVB_NXT6000 select DVB_CX24110 select DVB_OR51211 select DVB_LGDT330X + select DVB_ZL10353 select FW_LOADER help Support for PCI cards based on the Bt8xx PCI bridge. Examples are diff --git a/drivers/media/dvb/bt8xx/dvb-bt8xx.c b/drivers/media/dvb/bt8xx/dvb-bt8xx.c index baa8227ef87c..ccc7b2eb4a2d 100644 --- a/drivers/media/dvb/bt8xx/dvb-bt8xx.c +++ b/drivers/media/dvb/bt8xx/dvb-bt8xx.c @@ -115,7 +115,7 @@ static int is_pci_slot_eq(struct pci_dev* adev, struct pci_dev* bdev) return 0; } -static struct bt878 __init *dvb_bt8xx_878_match(unsigned int bttv_nr, struct pci_dev* bttv_pci_dev) +static struct bt878 __devinit *dvb_bt8xx_878_match(unsigned int bttv_nr, struct pci_dev* bttv_pci_dev) { unsigned int card_nr; @@ -709,7 +709,7 @@ static void frontend_init(struct dvb_bt8xx_card *card, u32 type) } } -static int __init dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type) +static int __devinit dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type) { int result; @@ -794,7 +794,7 @@ static int __init dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type) return 0; } -static int dvb_bt8xx_probe(struct bttv_sub_device *sub) +static int __devinit dvb_bt8xx_probe(struct bttv_sub_device *sub) { struct dvb_bt8xx_card *card; struct pci_dev* bttv_pci_dev; diff --git a/drivers/media/dvb/cinergyT2/cinergyT2.c b/drivers/media/dvb/cinergyT2/cinergyT2.c index 71b575dc22bd..9325d039ea65 100644 --- a/drivers/media/dvb/cinergyT2/cinergyT2.c +++ b/drivers/media/dvb/cinergyT2/cinergyT2.c @@ -902,7 +902,10 @@ static int cinergyt2_probe (struct usb_interface *intf, return -ENOMEM; } - dvb_register_adapter(&cinergyt2->adapter, DRIVER_NAME, THIS_MODULE); + if ((err = dvb_register_adapter(&cinergyt2->adapter, DRIVER_NAME, THIS_MODULE)) < 0) { + kfree(cinergyt2); + return err; + } cinergyt2->demux.priv = cinergyt2; cinergyt2->demux.filternum = 256; diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 4f8f257e6795..a051790161b0 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -106,6 +106,8 @@ struct dvb_frontend_private { unsigned long tune_mode_flags; unsigned int delay; unsigned int reinitialise; + int tone; + int voltage; /* swzigzag values */ unsigned int state; @@ -537,6 +539,12 @@ static int dvb_frontend_thread(void *data) if (fepriv->reinitialise) { dvb_frontend_init(fe); + if (fepriv->tone != -1) { + fe->ops->set_tone(fe, fepriv->tone); + } + if (fepriv->voltage != -1) { + fe->ops->set_voltage(fe, fepriv->voltage); + } fepriv->reinitialise = 0; } @@ -788,6 +796,7 @@ static int dvb_frontend_ioctl(struct inode *inode, struct file *file, case FE_SET_TONE: if (fe->ops->set_tone) { err = fe->ops->set_tone(fe, (fe_sec_tone_mode_t) parg); + fepriv->tone = (fe_sec_tone_mode_t) parg; fepriv->state = FESTATE_DISEQC; fepriv->status = 0; } @@ -796,6 +805,7 @@ static int dvb_frontend_ioctl(struct inode *inode, struct file *file, case FE_SET_VOLTAGE: if (fe->ops->set_voltage) { err = fe->ops->set_voltage(fe, (fe_sec_voltage_t) parg); + fepriv->voltage = (fe_sec_voltage_t) parg; fepriv->state = FESTATE_DISEQC; fepriv->status = 0; } @@ -995,6 +1005,8 @@ static int dvb_frontend_open(struct inode *inode, struct file *file) /* normal tune mode when opened R/W */ fepriv->tune_mode_flags &= ~FE_TUNE_MODE_ONESHOT; + fepriv->tone = -1; + fepriv->voltage = -1; } return ret; diff --git a/drivers/media/dvb/dvb-core/dvbdev.c b/drivers/media/dvb/dvb-core/dvbdev.c index 96fe0ecae250..3852430d0260 100644 --- a/drivers/media/dvb/dvb-core/dvbdev.c +++ b/drivers/media/dvb/dvb-core/dvbdev.c @@ -219,8 +219,6 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, return -ENOMEM; } - mutex_unlock(&dvbdev_register_lock); - memcpy(dvbdev, template, sizeof(struct dvb_device)); dvbdev->type = type; dvbdev->id = id; @@ -231,6 +229,8 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, list_add_tail (&dvbdev->list_head, &adap->device_list); + mutex_unlock(&dvbdev_register_lock); + devfs_mk_cdev(MKDEV(DVB_MAJOR, nums2minor(adap->num, type, id)), S_IFCHR | S_IRUSR | S_IWUSR, "dvb/adapter%d/%s%d", adap->num, dnames[type], id); diff --git a/drivers/media/dvb/dvb-usb/Kconfig b/drivers/media/dvb/dvb-usb/Kconfig index d3df12039b06..e388fb1567d6 100644 --- a/drivers/media/dvb/dvb-usb/Kconfig +++ b/drivers/media/dvb/dvb-usb/Kconfig @@ -1,6 +1,6 @@ config DVB_USB tristate "Support for various USB DVB devices" - depends on DVB_CORE && USB + depends on DVB_CORE && USB && I2C select FW_LOADER help By enabling this you will be able to choose the various supported diff --git a/drivers/media/dvb/dvb-usb/cxusb.c b/drivers/media/dvb/dvb-usb/cxusb.c index 7edd6362b9cc..1f0d3e995c8d 100644 --- a/drivers/media/dvb/dvb-usb/cxusb.c +++ b/drivers/media/dvb/dvb-usb/cxusb.c @@ -150,6 +150,15 @@ static int cxusb_power_ctrl(struct dvb_usb_device *d, int onoff) return cxusb_ctrl_msg(d, CMD_POWER_OFF, &b, 1, NULL, 0); } +static int cxusb_bluebird_power_ctrl(struct dvb_usb_device *d, int onoff) +{ + u8 b = 0; + if (onoff) + return cxusb_ctrl_msg(d, CMD_POWER_ON, &b, 1, NULL, 0); + else + return 0; +} + static int cxusb_streaming_ctrl(struct dvb_usb_device *d, int onoff) { u8 buf[2] = { 0x03, 0x00 }; @@ -544,7 +553,7 @@ static struct dvb_usb_properties cxusb_bluebird_lgh064f_properties = { .size_of_priv = sizeof(struct cxusb_state), .streaming_ctrl = cxusb_streaming_ctrl, - .power_ctrl = cxusb_power_ctrl, + .power_ctrl = cxusb_bluebird_power_ctrl, .frontend_attach = cxusb_lgdt3303_frontend_attach, .tuner_attach = cxusb_lgh064f_tuner_attach, @@ -589,7 +598,7 @@ static struct dvb_usb_properties cxusb_bluebird_dee1601_properties = { .size_of_priv = sizeof(struct cxusb_state), .streaming_ctrl = cxusb_streaming_ctrl, - .power_ctrl = cxusb_power_ctrl, + .power_ctrl = cxusb_bluebird_power_ctrl, .frontend_attach = cxusb_dee1601_frontend_attach, .tuner_attach = cxusb_dee1601_tuner_attach, @@ -638,7 +647,7 @@ static struct dvb_usb_properties cxusb_bluebird_lgz201_properties = { .size_of_priv = sizeof(struct cxusb_state), .streaming_ctrl = cxusb_streaming_ctrl, - .power_ctrl = cxusb_power_ctrl, + .power_ctrl = cxusb_bluebird_power_ctrl, .frontend_attach = cxusb_mt352_frontend_attach, .tuner_attach = cxusb_lgz201_tuner_attach, @@ -683,7 +692,7 @@ static struct dvb_usb_properties cxusb_bluebird_dtt7579_properties = { .size_of_priv = sizeof(struct cxusb_state), .streaming_ctrl = cxusb_streaming_ctrl, - .power_ctrl = cxusb_power_ctrl, + .power_ctrl = cxusb_bluebird_power_ctrl, .frontend_attach = cxusb_mt352_frontend_attach, .tuner_attach = cxusb_dtt7579_tuner_attach, diff --git a/drivers/media/dvb/frontends/cx24123.c b/drivers/media/dvb/frontends/cx24123.c index d661c6f9cbe5..691dc840dcc0 100644 --- a/drivers/media/dvb/frontends/cx24123.c +++ b/drivers/media/dvb/frontends/cx24123.c @@ -29,6 +29,9 @@ #include "dvb_frontend.h" #include "cx24123.h" +#define XTAL 10111000 + +static int force_band; static int debug; #define dprintk(args...) \ do { \ @@ -52,6 +55,7 @@ struct cx24123_state u32 VGAarg; u32 bandselectarg; u32 pllarg; + u32 FILTune; /* The Demod/Tuner can't easily provide these, we cache them */ u32 currentfreq; @@ -63,43 +67,33 @@ static struct { u32 symbolrate_low; u32 symbolrate_high; - u32 VCAslope; - u32 VCAoffset; - u32 VGA1offset; - u32 VGA2offset; u32 VCAprogdata; u32 VGAprogdata; + u32 FILTune; } cx24123_AGC_vals[] = { { .symbolrate_low = 1000000, .symbolrate_high = 4999999, - .VCAslope = 0x07, - .VCAoffset = 0x0f, - .VGA1offset = 0x1f8, - .VGA2offset = 0x1f8, - .VGAprogdata = (2 << 18) | (0x1f8 << 9) | 0x1f8, - .VCAprogdata = (4 << 18) | (0x07 << 9) | 0x07, + /* the specs recommend other values for VGA offsets, + but tests show they are wrong */ + .VGAprogdata = (1 << 19) | (0x180 << 9) | 0x1e0, + .VCAprogdata = (2 << 19) | (0x07 << 9) | 0x07, + .FILTune = 0x27f /* 0.41 V */ }, { .symbolrate_low = 5000000, .symbolrate_high = 14999999, - .VCAslope = 0x1f, - .VCAoffset = 0x1f, - .VGA1offset = 0x1e0, - .VGA2offset = 0x180, - .VGAprogdata = (2 << 18) | (0x180 << 9) | 0x1e0, - .VCAprogdata = (4 << 18) | (0x07 << 9) | 0x1f, + .VGAprogdata = (1 << 19) | (0x180 << 9) | 0x1e0, + .VCAprogdata = (2 << 19) | (0x07 << 9) | 0x1f, + .FILTune = 0x317 /* 0.90 V */ }, { .symbolrate_low = 15000000, .symbolrate_high = 45000000, - .VCAslope = 0x3f, - .VCAoffset = 0x3f, - .VGA1offset = 0x180, - .VGA2offset = 0x100, - .VGAprogdata = (2 << 18) | (0x100 << 9) | 0x180, - .VCAprogdata = (4 << 18) | (0x07 << 9) | 0x3f, + .VGAprogdata = (1 << 19) | (0x100 << 9) | 0x180, + .VCAprogdata = (2 << 19) | (0x07 << 9) | 0x3f, + .FILTune = 0x145 /* 2.70 V */ }, }; @@ -112,91 +106,80 @@ static struct { u32 freq_low; u32 freq_high; - u32 bandselect; u32 VCOdivider; - u32 VCOnumber; u32 progdata; } cx24123_bandselect_vals[] = { + /* band 1 */ { .freq_low = 950000, - .freq_high = 1018999, - .bandselect = 0x40, - .VCOdivider = 4, - .VCOnumber = 7, - .progdata = (0 << 18) | (0 << 9) | 0x40, - }, - { - .freq_low = 1019000, .freq_high = 1074999, - .bandselect = 0x80, .VCOdivider = 4, - .VCOnumber = 8, - .progdata = (0 << 18) | (0 << 9) | 0x80, + .progdata = (0 << 19) | (0 << 9) | 0x40, }, + + /* band 2 */ { .freq_low = 1075000, - .freq_high = 1227999, - .bandselect = 0x01, - .VCOdivider = 2, - .VCOnumber = 1, - .progdata = (0 << 18) | (1 << 9) | 0x01, + .freq_high = 1177999, + .VCOdivider = 4, + .progdata = (0 << 19) | (0 << 9) | 0x80, }, + + /* band 3 */ { - .freq_low = 1228000, - .freq_high = 1349999, - .bandselect = 0x02, + .freq_low = 1178000, + .freq_high = 1295999, .VCOdivider = 2, - .VCOnumber = 2, - .progdata = (0 << 18) | (1 << 9) | 0x02, + .progdata = (0 << 19) | (1 << 9) | 0x01, }, + + /* band 4 */ { - .freq_low = 1350000, - .freq_high = 1481999, - .bandselect = 0x04, + .freq_low = 1296000, + .freq_high = 1431999, .VCOdivider = 2, - .VCOnumber = 3, - .progdata = (0 << 18) | (1 << 9) | 0x04, + .progdata = (0 << 19) | (1 << 9) | 0x02, }, + + /* band 5 */ { - .freq_low = 1482000, - .freq_high = 1595999, - .bandselect = 0x08, + .freq_low = 1432000, + .freq_high = 1575999, .VCOdivider = 2, - .VCOnumber = 4, - .progdata = (0 << 18) | (1 << 9) | 0x08, + .progdata = (0 << 19) | (1 << 9) | 0x04, }, + + /* band 6 */ { - .freq_low = 1596000, + .freq_low = 1576000, .freq_high = 1717999, - .bandselect = 0x10, .VCOdivider = 2, - .VCOnumber = 5, - .progdata = (0 << 18) | (1 << 9) | 0x10, + .progdata = (0 << 19) | (1 << 9) | 0x08, }, + + /* band 7 */ { .freq_low = 1718000, .freq_high = 1855999, - .bandselect = 0x20, .VCOdivider = 2, - .VCOnumber = 6, - .progdata = (0 << 18) | (1 << 9) | 0x20, + .progdata = (0 << 19) | (1 << 9) | 0x10, }, + + /* band 8 */ { .freq_low = 1856000, .freq_high = 2035999, - .bandselect = 0x40, .VCOdivider = 2, - .VCOnumber = 7, - .progdata = (0 << 18) | (1 << 9) | 0x40, + .progdata = (0 << 19) | (1 << 9) | 0x20, }, + + /* band 9 */ { .freq_low = 2036000, - .freq_high = 2149999, - .bandselect = 0x80, + .freq_high = 2150000, .VCOdivider = 2, - .VCOnumber = 8, - .progdata = (0 << 18) | (1 << 9) | 0x80, + .progdata = (0 << 19) | (1 << 9) | 0x40, }, }; @@ -207,49 +190,44 @@ static struct { { {0x00, 0x03}, /* Reset system */ {0x00, 0x00}, /* Clear reset */ - {0x01, 0x3b}, /* Apply sensible defaults, from an i2c sniffer */ - {0x03, 0x07}, - {0x04, 0x10}, - {0x05, 0x04}, - {0x06, 0x31}, - {0x0d, 0x02}, - {0x0e, 0x03}, - {0x0f, 0xfe}, - {0x10, 0x01}, - {0x14, 0x01}, - {0x15, 0x98}, - {0x16, 0x00}, - {0x17, 0x01}, - {0x1b, 0x05}, - {0x1c, 0x80}, - {0x1d, 0x00}, - {0x1e, 0x00}, - {0x20, 0x41}, - {0x21, 0x15}, - {0x27, 0x14}, - {0x28, 0x46}, - {0x29, 0x00}, - {0x2a, 0xb0}, - {0x2b, 0x73}, - {0x2c, 0x00}, + {0x03, 0x07}, /* QPSK, DVB, Auto Acquisition (default) */ + {0x04, 0x10}, /* MPEG */ + {0x05, 0x04}, /* MPEG */ + {0x06, 0x31}, /* MPEG (default) */ + {0x0b, 0x00}, /* Freq search start point (default) */ + {0x0c, 0x00}, /* Demodulator sample gain (default) */ + {0x0d, 0x02}, /* Frequency search range = Fsymbol / 4 (default) */ + {0x0e, 0x03}, /* Default non-inverted, FEC 3/4 (default) */ + {0x0f, 0xfe}, /* FEC search mask (all supported codes) */ + {0x10, 0x01}, /* Default search inversion, no repeat (default) */ + {0x16, 0x00}, /* Enable reading of frequency */ + {0x17, 0x01}, /* Enable EsNO Ready Counter */ + {0x1c, 0x80}, /* Enable error counter */ + {0x20, 0x00}, /* Tuner burst clock rate = 500KHz */ + {0x21, 0x15}, /* Tuner burst mode, word length = 0x15 */ + {0x28, 0x00}, /* Enable FILTERV with positive pol., DiSEqC 2.x off */ + {0x29, 0x00}, /* DiSEqC LNB_DC off */ + {0x2a, 0xb0}, /* DiSEqC Parameters (default) */ + {0x2b, 0x73}, /* DiSEqC Tone Frequency (default) */ + {0x2c, 0x00}, /* DiSEqC Message (0x2c - 0x31) */ {0x2d, 0x00}, {0x2e, 0x00}, {0x2f, 0x00}, {0x30, 0x00}, {0x31, 0x00}, - {0x32, 0x8c}, - {0x33, 0x00}, + {0x32, 0x8c}, /* DiSEqC Parameters (default) */ + {0x33, 0x00}, /* Interrupts off (0x33 - 0x34) */ {0x34, 0x00}, - {0x35, 0x03}, - {0x36, 0x02}, - {0x37, 0x3a}, - {0x3a, 0x00}, /* Enable AGC accumulator */ - {0x44, 0x00}, - {0x45, 0x00}, - {0x46, 0x05}, - {0x56, 0x41}, - {0x57, 0xff}, - {0x67, 0x83}, + {0x35, 0x03}, /* DiSEqC Tone Amplitude (default) */ + {0x36, 0x02}, /* DiSEqC Parameters (default) */ + {0x37, 0x3a}, /* DiSEqC Parameters (default) */ + {0x3a, 0x00}, /* Enable AGC accumulator (for signal strength) */ + {0x44, 0x00}, /* Constellation (default) */ + {0x45, 0x00}, /* Symbol count (default) */ + {0x46, 0x0d}, /* Symbol rate estimator on (default) */ + {0x56, 0x41}, /* Various (default) */ + {0x57, 0xff}, /* Error Counter Window (default) */ + {0x67, 0x83}, /* Non-DCII symbol clock */ }; static int cx24123_writereg(struct cx24123_state* state, int reg, int data) @@ -258,6 +236,10 @@ static int cx24123_writereg(struct cx24123_state* state, int reg, int data) struct i2c_msg msg = { .addr = state->config->demod_address, .flags = 0, .buf = buf, .len = 2 }; int err; + if (debug>1) + printk("cx24123: %s: write reg 0x%02x, value 0x%02x\n", + __FUNCTION__,reg, data); + if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) { printk("%s: writereg error(err == %i, reg == 0x%02x," " data == 0x%02x)\n", __FUNCTION__, err, reg, data); @@ -274,6 +256,10 @@ static int cx24123_writelnbreg(struct cx24123_state* state, int reg, int data) struct i2c_msg msg = { .addr = 0x08, .flags = 0, .buf = buf, .len = 2 }; int err; + if (debug>1) + printk("cx24123: %s: writeln addr=0x08, reg 0x%02x, value 0x%02x\n", + __FUNCTION__,reg, data); + if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) { printk("%s: writelnbreg error (err == %i, reg == 0x%02x," " data == 0x%02x)\n", __FUNCTION__, err, reg, data); @@ -303,6 +289,9 @@ static int cx24123_readreg(struct cx24123_state* state, u8 reg) return ret; } + if (debug>1) + printk("cx24123: read reg 0x%02x, value 0x%02x\n",reg, ret); + return b1[0]; } @@ -313,17 +302,23 @@ static int cx24123_readlnbreg(struct cx24123_state* state, u8 reg) static int cx24123_set_inversion(struct cx24123_state* state, fe_spectral_inversion_t inversion) { + u8 nom_reg = cx24123_readreg(state, 0x0e); + u8 auto_reg = cx24123_readreg(state, 0x10); + switch (inversion) { case INVERSION_OFF: - cx24123_writereg(state, 0x0e, cx24123_readreg(state, 0x0e) & 0x7f); - cx24123_writereg(state, 0x10, cx24123_readreg(state, 0x10) | 0x80); + dprintk("%s: inversion off\n",__FUNCTION__); + cx24123_writereg(state, 0x0e, nom_reg & ~0x80); + cx24123_writereg(state, 0x10, auto_reg | 0x80); break; case INVERSION_ON: - cx24123_writereg(state, 0x0e, cx24123_readreg(state, 0x0e) | 0x80); - cx24123_writereg(state, 0x10, cx24123_readreg(state, 0x10) | 0x80); + dprintk("%s: inversion on\n",__FUNCTION__); + cx24123_writereg(state, 0x0e, nom_reg | 0x80); + cx24123_writereg(state, 0x10, auto_reg | 0x80); break; case INVERSION_AUTO: - cx24123_writereg(state, 0x10, cx24123_readreg(state, 0x10) & 0x7f); + dprintk("%s: inversion auto\n",__FUNCTION__); + cx24123_writereg(state, 0x10, auto_reg & ~0x80); break; default: return -EINVAL; @@ -338,92 +333,191 @@ static int cx24123_get_inversion(struct cx24123_state* state, fe_spectral_invers val = cx24123_readreg(state, 0x1b) >> 7; - if (val == 0) + if (val == 0) { + dprintk("%s: read inversion off\n",__FUNCTION__); *inversion = INVERSION_OFF; - else + } else { + dprintk("%s: read inversion on\n",__FUNCTION__); *inversion = INVERSION_ON; + } return 0; } static int cx24123_set_fec(struct cx24123_state* state, fe_code_rate_t fec) { + u8 nom_reg = cx24123_readreg(state, 0x0e) & ~0x07; + if ( (fec < FEC_NONE) || (fec > FEC_AUTO) ) fec = FEC_AUTO; - /* Hardware has 5/11 and 3/5 but are never unused */ switch (fec) { - case FEC_NONE: - return cx24123_writereg(state, 0x0f, 0x01); case FEC_1_2: - return cx24123_writereg(state, 0x0f, 0x02); + dprintk("%s: set FEC to 1/2\n",__FUNCTION__); + cx24123_writereg(state, 0x0e, nom_reg | 0x01); + cx24123_writereg(state, 0x0f, 0x02); + break; case FEC_2_3: - return cx24123_writereg(state, 0x0f, 0x04); + dprintk("%s: set FEC to 2/3\n",__FUNCTION__); + cx24123_writereg(state, 0x0e, nom_reg | 0x02); + cx24123_writereg(state, 0x0f, 0x04); + break; case FEC_3_4: - return cx24123_writereg(state, 0x0f, 0x08); + dprintk("%s: set FEC to 3/4\n",__FUNCTION__); + cx24123_writereg(state, 0x0e, nom_reg | 0x03); + cx24123_writereg(state, 0x0f, 0x08); + break; + case FEC_4_5: + dprintk("%s: set FEC to 4/5\n",__FUNCTION__); + cx24123_writereg(state, 0x0e, nom_reg | 0x04); + cx24123_writereg(state, 0x0f, 0x10); + break; case FEC_5_6: - return cx24123_writereg(state, 0x0f, 0x20); + dprintk("%s: set FEC to 5/6\n",__FUNCTION__); + cx24123_writereg(state, 0x0e, nom_reg | 0x05); + cx24123_writereg(state, 0x0f, 0x20); + break; + case FEC_6_7: + dprintk("%s: set FEC to 6/7\n",__FUNCTION__); + cx24123_writereg(state, 0x0e, nom_reg | 0x06); + cx24123_writereg(state, 0x0f, 0x40); + break; case FEC_7_8: - return cx24123_writereg(state, 0x0f, 0x80); + dprintk("%s: set FEC to 7/8\n",__FUNCTION__); + cx24123_writereg(state, 0x0e, nom_reg | 0x07); + cx24123_writereg(state, 0x0f, 0x80); + break; case FEC_AUTO: - return cx24123_writereg(state, 0x0f, 0xae); + dprintk("%s: set FEC to auto\n",__FUNCTION__); + cx24123_writereg(state, 0x0f, 0xfe); + break; default: return -EOPNOTSUPP; } + + return 0; } static int cx24123_get_fec(struct cx24123_state* state, fe_code_rate_t *fec) { int ret; - u8 val; ret = cx24123_readreg (state, 0x1b); if (ret < 0) return ret; - val = ret & 0x07; - switch (val) { + ret = ret & 0x07; + + switch (ret) { case 1: *fec = FEC_1_2; break; - case 3: + case 2: *fec = FEC_2_3; break; - case 4: + case 3: *fec = FEC_3_4; break; - case 5: + case 4: *fec = FEC_4_5; break; - case 6: + case 5: *fec = FEC_5_6; break; + case 6: + *fec = FEC_6_7; + break; case 7: *fec = FEC_7_8; break; - case 2: /* *fec = FEC_3_5; break; */ - case 0: /* *fec = FEC_5_11; break; */ - *fec = FEC_AUTO; - break; default: - *fec = FEC_NONE; // can't happen + /* this can happen when there's no lock */ + *fec = FEC_NONE; } return 0; } -/* fixme: Symbol rates < 3MSps may not work because of precision loss */ +/* Approximation of closest integer of log2(a/b). It actually gives the + lowest integer i such that 2^i >= round(a/b) */ +static u32 cx24123_int_log2(u32 a, u32 b) +{ + u32 exp, nearest = 0; + u32 div = a / b; + if(a % b >= b / 2) ++div; + if(div < (1 << 31)) + { + for(exp = 1; div > exp; nearest++) + exp += exp; + } + return nearest; +} + static int cx24123_set_symbolrate(struct cx24123_state* state, u32 srate) { - u32 val; + u32 tmp, sample_rate, ratio, sample_gain; + u8 pll_mult; + + /* check if symbol rate is within limits */ + if ((srate > state->ops.info.symbol_rate_max) || + (srate < state->ops.info.symbol_rate_min)) + return -EOPNOTSUPP;; + + /* choose the sampling rate high enough for the required operation, + while optimizing the power consumed by the demodulator */ + if (srate < (XTAL*2)/2) + pll_mult = 2; + else if (srate < (XTAL*3)/2) + pll_mult = 3; + else if (srate < (XTAL*4)/2) + pll_mult = 4; + else if (srate < (XTAL*5)/2) + pll_mult = 5; + else if (srate < (XTAL*6)/2) + pll_mult = 6; + else if (srate < (XTAL*7)/2) + pll_mult = 7; + else if (srate < (XTAL*8)/2) + pll_mult = 8; + else + pll_mult = 9; + + + sample_rate = pll_mult * XTAL; + + /* + SYSSymbolRate[21:0] = (srate << 23) / sample_rate + + We have to use 32 bit unsigned arithmetic without precision loss. + The maximum srate is 45000000 or 0x02AEA540. This number has + only 6 clear bits on top, hence we can shift it left only 6 bits + at a time. Borrowed from cx24110.c + */ + + tmp = srate << 6; + ratio = tmp / sample_rate; + + tmp = (tmp % sample_rate) << 6; + ratio = (ratio << 6) + (tmp / sample_rate); + + tmp = (tmp % sample_rate) << 6; + ratio = (ratio << 6) + (tmp / sample_rate); + + tmp = (tmp % sample_rate) << 5; + ratio = (ratio << 5) + (tmp / sample_rate); + + + cx24123_writereg(state, 0x01, pll_mult * 6); - val = (srate / 1185) * 100; + cx24123_writereg(state, 0x08, (ratio >> 16) & 0x3f ); + cx24123_writereg(state, 0x09, (ratio >> 8) & 0xff ); + cx24123_writereg(state, 0x0a, (ratio ) & 0xff ); - /* Compensate for scaling up, by removing 17 symbols per 1Msps */ - val = val - (17 * (srate / 1000000)); + /* also set the demodulator sample gain */ + sample_gain = cx24123_int_log2(sample_rate, srate); + tmp = cx24123_readreg(state, 0x0c) & ~0xe0; + cx24123_writereg(state, 0x0c, tmp | sample_gain << 5); - cx24123_writereg(state, 0x08, (val >> 16) & 0xff ); - cx24123_writereg(state, 0x09, (val >> 8) & 0xff ); - cx24123_writereg(state, 0x0a, (val ) & 0xff ); + dprintk("%s: srate=%d, ratio=0x%08x, sample_rate=%i sample_gain=%d\n", __FUNCTION__, srate, ratio, sample_rate, sample_gain); return 0; } @@ -437,6 +531,9 @@ static int cx24123_pll_calculate(struct dvb_frontend* fe, struct dvb_frontend_pa struct cx24123_state *state = fe->demodulator_priv; u32 ndiv = 0, adiv = 0, vco_div = 0; int i = 0; + int pump = 2; + int band = 0; + int num_bands = sizeof(cx24123_bandselect_vals) / sizeof(cx24123_bandselect_vals[0]); /* Defaults for low freq, low rate */ state->VCAarg = cx24123_AGC_vals[0].VCAprogdata; @@ -444,38 +541,49 @@ static int cx24123_pll_calculate(struct dvb_frontend* fe, struct dvb_frontend_pa state->bandselectarg = cx24123_bandselect_vals[0].progdata; vco_div = cx24123_bandselect_vals[0].VCOdivider; - /* For the given symbolerate, determine the VCA and VGA programming bits */ + /* For the given symbol rate, determine the VCA, VGA and FILTUNE programming bits */ for (i = 0; i < sizeof(cx24123_AGC_vals) / sizeof(cx24123_AGC_vals[0]); i++) { if ((cx24123_AGC_vals[i].symbolrate_low <= p->u.qpsk.symbol_rate) && - (cx24123_AGC_vals[i].symbolrate_high >= p->u.qpsk.symbol_rate) ) { + (cx24123_AGC_vals[i].symbolrate_high >= p->u.qpsk.symbol_rate) ) { state->VCAarg = cx24123_AGC_vals[i].VCAprogdata; state->VGAarg = cx24123_AGC_vals[i].VGAprogdata; + state->FILTune = cx24123_AGC_vals[i].FILTune; } } - /* For the given frequency, determine the bandselect programming bits */ - for (i = 0; i < sizeof(cx24123_bandselect_vals) / sizeof(cx24123_bandselect_vals[0]); i++) + /* determine the band to use */ + if(force_band < 1 || force_band > num_bands) { - if ((cx24123_bandselect_vals[i].freq_low <= p->frequency) && - (cx24123_bandselect_vals[i].freq_high >= p->frequency) ) { - state->bandselectarg = cx24123_bandselect_vals[i].progdata; - vco_div = cx24123_bandselect_vals[i].VCOdivider; + for (i = 0; i < num_bands; i++) + { + if ((cx24123_bandselect_vals[i].freq_low <= p->frequency) && + (cx24123_bandselect_vals[i].freq_high >= p->frequency) ) + band = i; } } + else + band = force_band - 1; + + state->bandselectarg = cx24123_bandselect_vals[band].progdata; + vco_div = cx24123_bandselect_vals[band].VCOdivider; + + /* determine the charge pump current */ + if ( p->frequency < (cx24123_bandselect_vals[band].freq_low + cx24123_bandselect_vals[band].freq_high)/2 ) + pump = 0x01; + else + pump = 0x02; /* Determine the N/A dividers for the requested lband freq (in kHz). */ - /* Note: 10111 (kHz) is the Crystal Freq and divider of 10. */ - ndiv = ( ((p->frequency * vco_div) / (10111 / 10) / 2) / 32) & 0x1ff; - adiv = ( ((p->frequency * vco_div) / (10111 / 10) / 2) % 32) & 0x1f; + /* Note: the reference divider R=10, frequency is in KHz, XTAL is in Hz */ + ndiv = ( ((p->frequency * vco_div * 10) / (2 * XTAL / 1000)) / 32) & 0x1ff; + adiv = ( ((p->frequency * vco_div * 10) / (2 * XTAL / 1000)) % 32) & 0x1f; if (adiv == 0) - adiv++; + ndiv++; - /* determine the correct pll frequency values. */ - /* Command 11, refdiv 11, cpump polarity 1, cpump current 3mA 10. */ - state->pllarg = (3 << 19) | (3 << 17) | (1 << 16) | (2 << 14); - state->pllarg |= (ndiv << 5) | adiv; + /* control bits 11, refdiv 11, charge pump polarity 1, charge pump current, ndiv, adiv */ + state->pllarg = (3 << 19) | (3 << 17) | (1 << 16) | (pump << 14) | (ndiv << 5) | adiv; return 0; } @@ -489,6 +597,8 @@ static int cx24123_pll_writereg(struct dvb_frontend* fe, struct dvb_frontend_par struct cx24123_state *state = fe->demodulator_priv; unsigned long timeout; + dprintk("%s: pll writereg called, data=0x%08x\n",__FUNCTION__,data); + /* align the 21 bytes into to bit23 boundary */ data = data << 3; @@ -538,6 +648,9 @@ static int cx24123_pll_writereg(struct dvb_frontend* fe, struct dvb_frontend_par static int cx24123_pll_tune(struct dvb_frontend* fe, struct dvb_frontend_parameters *p) { struct cx24123_state *state = fe->demodulator_priv; + u8 val; + + dprintk("frequency=%i\n", p->frequency); if (cx24123_pll_calculate(fe, p) != 0) { printk("%s: cx24123_pll_calcutate failed\n",__FUNCTION__); @@ -552,6 +665,14 @@ static int cx24123_pll_tune(struct dvb_frontend* fe, struct dvb_frontend_paramet cx24123_pll_writereg(fe, p, state->bandselectarg); cx24123_pll_writereg(fe, p, state->pllarg); + /* set the FILTUNE voltage */ + val = cx24123_readreg(state, 0x28) & ~0x3; + cx24123_writereg(state, 0x27, state->FILTune >> 2); + cx24123_writereg(state, 0x28, val | (state->FILTune & 0x3)); + + dprintk("%s: pll tune VCA=%d, band=%d, pll=%d\n",__FUNCTION__,state->VCAarg, + state->bandselectarg,state->pllarg); + return 0; } @@ -560,6 +681,8 @@ static int cx24123_initfe(struct dvb_frontend* fe) struct cx24123_state *state = fe->demodulator_priv; int i; + dprintk("%s: init frontend\n",__FUNCTION__); + /* Configure the demod to a good set of defaults */ for (i = 0; i < sizeof(cx24123_regdata) / sizeof(cx24123_regdata[0]); i++) cx24123_writereg(state, cx24123_regdata[i].reg, cx24123_regdata[i].data); @@ -587,10 +710,13 @@ static int cx24123_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage switch (voltage) { case SEC_VOLTAGE_13: + dprintk("%s: isl6421 voltage = 13V\n",__FUNCTION__); return cx24123_writelnbreg(state, 0x0, val & 0x32); /* V 13v */ case SEC_VOLTAGE_18: + dprintk("%s: isl6421 voltage = 18V\n",__FUNCTION__); return cx24123_writelnbreg(state, 0x0, val | 0x04); /* H 18v */ case SEC_VOLTAGE_OFF: + dprintk("%s: isl5421 voltage off\n",__FUNCTION__); return cx24123_writelnbreg(state, 0x0, val & 0x30); default: return -EINVAL; @@ -624,13 +750,93 @@ static int cx24123_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage return 0; } -static int cx24123_send_diseqc_msg(struct dvb_frontend* fe, - struct dvb_diseqc_master_cmd *cmd) +/* wait for diseqc queue to become ready (or timeout) */ +static void cx24123_wait_for_diseqc(struct cx24123_state *state) +{ + unsigned long timeout = jiffies + msecs_to_jiffies(200); + while (!(cx24123_readreg(state, 0x29) & 0x40)) { + if(time_after(jiffies, timeout)) { + printk("%s: diseqc queue not ready, command may be lost.\n", __FUNCTION__); + break; + } + msleep(10); + } +} + +static int cx24123_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd *cmd) { - /* fixme: Implement diseqc */ - printk("%s: No support yet\n",__FUNCTION__); + struct cx24123_state *state = fe->demodulator_priv; + int i, val; + + dprintk("%s:\n",__FUNCTION__); + + /* check if continuous tone has been stopped */ + if (state->config->use_isl6421) + val = cx24123_readlnbreg(state, 0x00) & 0x10; + else + val = cx24123_readreg(state, 0x29) & 0x10; - return -ENOTSUPP; + + if (val) { + printk("%s: ERROR: attempt to send diseqc command before tone is off\n", __FUNCTION__); + return -ENOTSUPP; + } + + /* wait for diseqc queue ready */ + cx24123_wait_for_diseqc(state); + + /* select tone mode */ + cx24123_writereg(state, 0x2a, cx24123_readreg(state, 0x2a) & 0xf8); + + for (i = 0; i < cmd->msg_len; i++) + cx24123_writereg(state, 0x2C + i, cmd->msg[i]); + + val = cx24123_readreg(state, 0x29); + cx24123_writereg(state, 0x29, ((val & 0x90) | 0x40) | ((cmd->msg_len-3) & 3)); + + /* wait for diseqc message to finish sending */ + cx24123_wait_for_diseqc(state); + + return 0; +} + +static int cx24123_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t burst) +{ + struct cx24123_state *state = fe->demodulator_priv; + int val; + + dprintk("%s:\n", __FUNCTION__); + + /* check if continuous tone has been stoped */ + if (state->config->use_isl6421) + val = cx24123_readlnbreg(state, 0x00) & 0x10; + else + val = cx24123_readreg(state, 0x29) & 0x10; + + + if (val) { + printk("%s: ERROR: attempt to send diseqc command before tone is off\n", __FUNCTION__); + return -ENOTSUPP; + } + + cx24123_wait_for_diseqc(state); + + /* select tone mode */ + val = cx24123_readreg(state, 0x2a) & 0xf8; + cx24123_writereg(state, 0x2a, val | 0x04); + + val = cx24123_readreg(state, 0x29); + + if (burst == SEC_MINI_A) + cx24123_writereg(state, 0x29, ((val & 0x90) | 0x40 | 0x00)); + else if (burst == SEC_MINI_B) + cx24123_writereg(state, 0x29, ((val & 0x90) | 0x40 | 0x08)); + else + return -EINVAL; + + cx24123_wait_for_diseqc(state); + + return 0; } static int cx24123_read_status(struct dvb_frontend* fe, fe_status_t* status) @@ -642,13 +848,15 @@ static int cx24123_read_status(struct dvb_frontend* fe, fe_status_t* status) *status = 0; if (lock & 0x01) - *status |= FE_HAS_CARRIER | FE_HAS_SIGNAL; + *status |= FE_HAS_SIGNAL; + if (sync & 0x02) + *status |= FE_HAS_CARRIER; if (sync & 0x04) *status |= FE_HAS_VITERBI; if (sync & 0x08) - *status |= FE_HAS_CARRIER; + *status |= FE_HAS_SYNC; if (sync & 0x80) - *status |= FE_HAS_SYNC | FE_HAS_LOCK; + *status |= FE_HAS_LOCK; return 0; } @@ -681,6 +889,8 @@ static int cx24123_read_ber(struct dvb_frontend* fe, u32* ber) else state->snr = 0; + dprintk("%s: BER = %d, S/N index = %d\n",__FUNCTION__,state->lastber, state->snr); + *ber = state->lastber; return 0; @@ -691,6 +901,8 @@ static int cx24123_read_signal_strength(struct dvb_frontend* fe, u16* signal_str struct cx24123_state *state = fe->demodulator_priv; *signal_strength = cx24123_readreg(state, 0x3b) << 8; /* larger = better */ + dprintk("%s: Signal strength = %d\n",__FUNCTION__,*signal_strength); + return 0; } @@ -699,6 +911,8 @@ static int cx24123_read_snr(struct dvb_frontend* fe, u16* snr) struct cx24123_state *state = fe->demodulator_priv; *snr = state->snr; + dprintk("%s: read S/N index = %d\n",__FUNCTION__,*snr); + return 0; } @@ -707,6 +921,8 @@ static int cx24123_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks) struct cx24123_state *state = fe->demodulator_priv; *ucblocks = state->lastber; + dprintk("%s: ucblocks (ber) = %d\n",__FUNCTION__,*ucblocks); + return 0; } @@ -714,6 +930,8 @@ static int cx24123_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par { struct cx24123_state *state = fe->demodulator_priv; + dprintk("%s: set_frontend\n",__FUNCTION__); + if (state->config->set_ts_params) state->config->set_ts_params(fe, 0); @@ -737,6 +955,8 @@ static int cx24123_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_par { struct cx24123_state *state = fe->demodulator_priv; + dprintk("%s: get_frontend\n",__FUNCTION__); + if (cx24123_get_inversion(state, &p->inversion) != 0) { printk("%s: Failed to get inversion status\n",__FUNCTION__); return -EREMOTEIO; @@ -763,8 +983,10 @@ static int cx24123_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone) switch (tone) { case SEC_TONE_ON: + dprintk("%s: isl6421 sec tone on\n",__FUNCTION__); return cx24123_writelnbreg(state, 0x0, val | 0x10); case SEC_TONE_OFF: + dprintk("%s: isl6421 sec tone off\n",__FUNCTION__); return cx24123_writelnbreg(state, 0x0, val & 0x2f); default: printk("%s: CASE reached default with tone=%d\n", __FUNCTION__, tone); @@ -855,12 +1077,13 @@ static struct dvb_frontend_ops cx24123_ops = { .frequency_min = 950000, .frequency_max = 2150000, .frequency_stepsize = 1011, /* kHz for QPSK frontends */ - .frequency_tolerance = 29500, + .frequency_tolerance = 5000, .symbol_rate_min = 1000000, .symbol_rate_max = 45000000, .caps = FE_CAN_INVERSION_AUTO | FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | - FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | + FE_CAN_FEC_4_5 | FE_CAN_FEC_5_6 | FE_CAN_FEC_6_7 | + FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | FE_CAN_QPSK | FE_CAN_RECOVER }, @@ -875,12 +1098,16 @@ static struct dvb_frontend_ops cx24123_ops = { .read_snr = cx24123_read_snr, .read_ucblocks = cx24123_read_ucblocks, .diseqc_send_master_cmd = cx24123_send_diseqc_msg, + .diseqc_send_burst = cx24123_diseqc_send_burst, .set_tone = cx24123_set_tone, .set_voltage = cx24123_set_voltage, }; module_param(debug, int, 0644); -MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off)."); +MODULE_PARM_DESC(debug, "Activates frontend debugging (default:0)"); + +module_param(force_band, int, 0644); +MODULE_PARM_DESC(force_band, "Force a specific band select (1-9, default:off)."); MODULE_DESCRIPTION("DVB Frontend module for Conexant cx24123/cx24109 hardware"); MODULE_AUTHOR("Steven Toth"); diff --git a/drivers/media/dvb/frontends/dvb-pll.c b/drivers/media/dvb/frontends/dvb-pll.c index b6e2c387a04c..791706ec1da3 100644 --- a/drivers/media/dvb/frontends/dvb-pll.c +++ b/drivers/media/dvb/frontends/dvb-pll.c @@ -235,8 +235,8 @@ struct dvb_pll_desc dvb_pll_tdvs_tua6034 = { .max = 863000000, .count = 3, .entries = { - { 160000000, 44000000, 62500, 0xce, 0x01 }, - { 455000000, 44000000, 62500, 0xce, 0x02 }, + { 165000000, 44000000, 62500, 0xce, 0x01 }, + { 450000000, 44000000, 62500, 0xce, 0x02 }, { 999999999, 44000000, 62500, 0xce, 0x04 }, }, }; diff --git a/drivers/media/dvb/pluto2/Kconfig b/drivers/media/dvb/pluto2/Kconfig index 84f8f9f52869..48252e9ce586 100644 --- a/drivers/media/dvb/pluto2/Kconfig +++ b/drivers/media/dvb/pluto2/Kconfig @@ -1,6 +1,6 @@ config DVB_PLUTO2 tristate "Pluto2 cards" - depends on DVB_CORE && PCI + depends on DVB_CORE && PCI && I2C select I2C select I2C_ALGOBIT select DVB_TDA1004X diff --git a/drivers/media/dvb/pluto2/Makefile b/drivers/media/dvb/pluto2/Makefile index 86ca84b2be6e..ce6a9aaf937e 100644 --- a/drivers/media/dvb/pluto2/Makefile +++ b/drivers/media/dvb/pluto2/Makefile @@ -1,3 +1,3 @@ -obj-$(CONFIG_DVB_PLUTO2) = pluto2.o +obj-$(CONFIG_DVB_PLUTO2) += pluto2.o EXTRA_CFLAGS = -Idrivers/media/dvb/dvb-core/ -Idrivers/media/dvb/frontends/ diff --git a/drivers/media/dvb/ttpci/Kconfig b/drivers/media/dvb/ttpci/Kconfig index 5b2aadb8385c..b5ac7dfde52f 100644 --- a/drivers/media/dvb/ttpci/Kconfig +++ b/drivers/media/dvb/ttpci/Kconfig @@ -1,8 +1,7 @@ config DVB_AV7110 tristate "AV7110 cards" - depends on DVB_CORE && PCI + depends on DVB_CORE && PCI && I2C && VIDEO_V4L1 select FW_LOADER - select VIDEO_DEV select VIDEO_SAA7146_VV select DVB_VES1820 select DVB_VES1X93 @@ -59,7 +58,7 @@ config DVB_AV7110_OSD config DVB_BUDGET tristate "Budget cards" - depends on DVB_CORE && PCI + depends on DVB_CORE && PCI && I2C && VIDEO_V4L1 select VIDEO_SAA7146 select DVB_STV0299 select DVB_VES1X93 @@ -80,7 +79,7 @@ config DVB_BUDGET config DVB_BUDGET_CI tristate "Budget cards with onboard CI connector" - depends on DVB_CORE && PCI + depends on DVB_CORE && PCI && I2C && VIDEO_V4L1 select VIDEO_SAA7146 select DVB_STV0297 select DVB_STV0299 @@ -100,8 +99,7 @@ config DVB_BUDGET_CI config DVB_BUDGET_AV tristate "Budget cards with analog video inputs" - depends on DVB_CORE && PCI - select VIDEO_DEV + depends on DVB_CORE && PCI && I2C && VIDEO_V4L1 select VIDEO_SAA7146_VV select DVB_STV0299 select DVB_TDA1004X @@ -119,7 +117,7 @@ config DVB_BUDGET_AV config DVB_BUDGET_PATCH tristate "AV7110 cards with Budget Patch" - depends on DVB_CORE && DVB_BUDGET + depends on DVB_CORE && DVB_BUDGET && VIDEO_V4L1 select DVB_AV7110 select DVB_STV0299 select DVB_VES1X93 diff --git a/drivers/media/dvb/ttpci/budget-av.c b/drivers/media/dvb/ttpci/budget-av.c index 8efe3ce5f66c..8a7cd7d505cf 100644 --- a/drivers/media/dvb/ttpci/budget-av.c +++ b/drivers/media/dvb/ttpci/budget-av.c @@ -1190,8 +1190,6 @@ static int budget_av_attach(struct saa7146_dev *dev, struct saa7146_pci_extensio SAA7146_HPS_SYNC_PORT_A); saa7113_setinput(budget_av, 0); - } else { - ciintf_init(budget_av); } /* fixme: find some sane values here... */ @@ -1211,6 +1209,10 @@ static int budget_av_attach(struct saa7146_dev *dev, struct saa7146_pci_extensio budget_av->budget.dvb_adapter.priv = budget_av; frontend_init(budget_av); + if (!budget_av->has_saa7113) { + ciintf_init(budget_av); + } + return 0; } diff --git a/drivers/media/dvb/ttpci/budget-ci.c b/drivers/media/dvb/ttpci/budget-ci.c index 5f91036f5b87..e64a609cf4ff 100644 --- a/drivers/media/dvb/ttpci/budget-ci.c +++ b/drivers/media/dvb/ttpci/budget-ci.c @@ -71,6 +71,7 @@ struct budget_ci { struct tasklet_struct msp430_irq_tasklet; struct tasklet_struct ciintf_irq_tasklet; int slot_status; + int ci_irq; struct dvb_ca_en50221 ca; char ir_dev_name[50]; u8 tuner_pll_address; /* used for philips_tdm1316l configs */ @@ -276,8 +277,10 @@ static int ciintf_slot_reset(struct dvb_ca_en50221 *ca, int slot) if (slot != 0) return -EINVAL; - // trigger on RISING edge during reset so we know when READY is re-asserted - saa7146_setgpio(saa, 0, SAA7146_GPIO_IRQHI); + if (budget_ci->ci_irq) { + // trigger on RISING edge during reset so we know when READY is re-asserted + saa7146_setgpio(saa, 0, SAA7146_GPIO_IRQHI); + } budget_ci->slot_status = SLOTSTATUS_RESET; ttpci_budget_debiwrite(&budget_ci->budget, DEBICICTL, DEBIADDR_CICONTROL, 1, 0, 1, 0); msleep(1); @@ -370,11 +373,50 @@ static void ciintf_interrupt(unsigned long data) } } +static int ciintf_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open) +{ + struct budget_ci *budget_ci = (struct budget_ci *) ca->data; + unsigned int flags; + + // ensure we don't get spurious IRQs during initialisation + if (!budget_ci->budget.ci_present) + return -EINVAL; + + // read the CAM status + flags = ttpci_budget_debiread(&budget_ci->budget, DEBICICTL, DEBIADDR_CICONTROL, 1, 1, 0); + if (flags & CICONTROL_CAMDETECT) { + // mark it as present if it wasn't before + if (budget_ci->slot_status & SLOTSTATUS_NONE) { + budget_ci->slot_status = SLOTSTATUS_PRESENT; + } + + // during a RESET, we check if we can read from IO memory to see when CAM is ready + if (budget_ci->slot_status & SLOTSTATUS_RESET) { + if (ciintf_read_attribute_mem(ca, slot, 0) == 0x1d) { + budget_ci->slot_status = SLOTSTATUS_READY; + } + } + } else { + budget_ci->slot_status = SLOTSTATUS_NONE; + } + + if (budget_ci->slot_status != SLOTSTATUS_NONE) { + if (budget_ci->slot_status & SLOTSTATUS_READY) { + return DVB_CA_EN50221_POLL_CAM_PRESENT | DVB_CA_EN50221_POLL_CAM_READY; + } + return DVB_CA_EN50221_POLL_CAM_PRESENT; + } + + return 0; +} + static int ciintf_init(struct budget_ci *budget_ci) { struct saa7146_dev *saa = budget_ci->budget.dev; int flags; int result; + int ci_version; + int ca_flags; memset(&budget_ci->ca, 0, sizeof(struct dvb_ca_en50221)); @@ -382,16 +424,29 @@ static int ciintf_init(struct budget_ci *budget_ci) saa7146_write(saa, MC1, saa7146_read(saa, MC1) | (0x800 << 16) | 0x800); // test if it is there - if ((ttpci_budget_debiread(&budget_ci->budget, DEBICICTL, DEBIADDR_CIVERSION, 1, 1, 0) & 0xa0) != 0xa0) { + ci_version = ttpci_budget_debiread(&budget_ci->budget, DEBICICTL, DEBIADDR_CIVERSION, 1, 1, 0); + if ((ci_version & 0xa0) != 0xa0) { result = -ENODEV; goto error; } + // determine whether a CAM is present or not flags = ttpci_budget_debiread(&budget_ci->budget, DEBICICTL, DEBIADDR_CICONTROL, 1, 1, 0); budget_ci->slot_status = SLOTSTATUS_NONE; if (flags & CICONTROL_CAMDETECT) budget_ci->slot_status = SLOTSTATUS_PRESENT; + // version 0xa2 of the CI firmware doesn't generate interrupts + if (ci_version == 0xa2) { + ca_flags = 0; + budget_ci->ci_irq = 0; + } else { + ca_flags = DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE | + DVB_CA_EN50221_FLAG_IRQ_FR | + DVB_CA_EN50221_FLAG_IRQ_DA; + budget_ci->ci_irq = 1; + } + // register CI interface budget_ci->ca.owner = THIS_MODULE; budget_ci->ca.read_attribute_mem = ciintf_read_attribute_mem; @@ -401,23 +456,27 @@ static int ciintf_init(struct budget_ci *budget_ci) budget_ci->ca.slot_reset = ciintf_slot_reset; budget_ci->ca.slot_shutdown = ciintf_slot_shutdown; budget_ci->ca.slot_ts_enable = ciintf_slot_ts_enable; + budget_ci->ca.poll_slot_status = ciintf_poll_slot_status; budget_ci->ca.data = budget_ci; if ((result = dvb_ca_en50221_init(&budget_ci->budget.dvb_adapter, &budget_ci->ca, - DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE | - DVB_CA_EN50221_FLAG_IRQ_FR | - DVB_CA_EN50221_FLAG_IRQ_DA, 1)) != 0) { + ca_flags, 1)) != 0) { printk("budget_ci: CI interface detected, but initialisation failed.\n"); goto error; } + // Setup CI slot IRQ - tasklet_init(&budget_ci->ciintf_irq_tasklet, ciintf_interrupt, (unsigned long) budget_ci); - if (budget_ci->slot_status != SLOTSTATUS_NONE) { - saa7146_setgpio(saa, 0, SAA7146_GPIO_IRQLO); - } else { - saa7146_setgpio(saa, 0, SAA7146_GPIO_IRQHI); + if (budget_ci->ci_irq) { + tasklet_init(&budget_ci->ciintf_irq_tasklet, ciintf_interrupt, (unsigned long) budget_ci); + if (budget_ci->slot_status != SLOTSTATUS_NONE) { + saa7146_setgpio(saa, 0, SAA7146_GPIO_IRQLO); + } else { + saa7146_setgpio(saa, 0, SAA7146_GPIO_IRQHI); + } + saa7146_write(saa, IER, saa7146_read(saa, IER) | MASK_03); } - saa7146_write(saa, IER, saa7146_read(saa, IER) | MASK_03); + + // enable interface ttpci_budget_debiwrite(&budget_ci->budget, DEBICICTL, DEBIADDR_CICONTROL, 1, CICONTROL_RESET, 1, 0); @@ -426,10 +485,12 @@ static int ciintf_init(struct budget_ci *budget_ci) budget_ci->budget.ci_present = 1; // forge a fake CI IRQ so the CAM state is setup correctly - flags = DVB_CA_EN50221_CAMCHANGE_REMOVED; - if (budget_ci->slot_status != SLOTSTATUS_NONE) - flags = DVB_CA_EN50221_CAMCHANGE_INSERTED; - dvb_ca_en50221_camchange_irq(&budget_ci->ca, 0, flags); + if (budget_ci->ci_irq) { + flags = DVB_CA_EN50221_CAMCHANGE_REMOVED; + if (budget_ci->slot_status != SLOTSTATUS_NONE) + flags = DVB_CA_EN50221_CAMCHANGE_INSERTED; + dvb_ca_en50221_camchange_irq(&budget_ci->ca, 0, flags); + } return 0; @@ -443,9 +504,13 @@ static void ciintf_deinit(struct budget_ci *budget_ci) struct saa7146_dev *saa = budget_ci->budget.dev; // disable CI interrupts - saa7146_write(saa, IER, saa7146_read(saa, IER) & ~MASK_03); - saa7146_setgpio(saa, 0, SAA7146_GPIO_INPUT); - tasklet_kill(&budget_ci->ciintf_irq_tasklet); + if (budget_ci->ci_irq) { + saa7146_write(saa, IER, saa7146_read(saa, IER) & ~MASK_03); + saa7146_setgpio(saa, 0, SAA7146_GPIO_INPUT); + tasklet_kill(&budget_ci->ciintf_irq_tasklet); + } + + // reset interface ttpci_budget_debiwrite(&budget_ci->budget, DEBICICTL, DEBIADDR_CICONTROL, 1, 0, 1, 0); msleep(1); ttpci_budget_debiwrite(&budget_ci->budget, DEBICICTL, DEBIADDR_CICONTROL, 1, @@ -473,7 +538,7 @@ static void budget_ci_irq(struct saa7146_dev *dev, u32 * isr) if (*isr & MASK_10) ttpci_budget_irq10_handler(dev, isr); - if ((*isr & MASK_03) && (budget_ci->budget.ci_present)) + if ((*isr & MASK_03) && (budget_ci->budget.ci_present) && (budget_ci->ci_irq)) tasklet_schedule(&budget_ci->ciintf_irq_tasklet); } diff --git a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c index 248fdc7accfb..6ceae38125c7 100644 --- a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c +++ b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c @@ -1507,7 +1507,11 @@ static int ttusb_probe(struct usb_interface *intf, const struct usb_device_id *i mutex_unlock(&ttusb->semi2c); - dvb_register_adapter(&ttusb->adapter, "Technotrend/Hauppauge Nova-USB", THIS_MODULE); + if ((result = dvb_register_adapter(&ttusb->adapter, "Technotrend/Hauppauge Nova-USB", THIS_MODULE)) < 0) { + ttusb_free_iso_urbs(ttusb); + kfree(ttusb); + return result; + } ttusb->adapter.priv = ttusb; /* i2c */ diff --git a/drivers/media/radio/Kconfig b/drivers/media/radio/Kconfig index d318be383de6..3fff75763693 100644 --- a/drivers/media/radio/Kconfig +++ b/drivers/media/radio/Kconfig @@ -7,7 +7,7 @@ menu "Radio Adapters" config RADIO_CADET tristate "ADS Cadet AM/FM Tuner" - depends on ISA && VIDEO_DEV + depends on ISA && VIDEO_V4L1 ---help--- Choose Y here if you have one of these AM/FM radio cards, and then fill in the port address below. @@ -25,7 +25,7 @@ config RADIO_CADET config RADIO_RTRACK tristate "AIMSlab RadioTrack (aka RadioReveal) support" - depends on ISA && VIDEO_DEV + depends on ISA && VIDEO_V4L1 ---help--- Choose Y here if you have one of these FM radio cards, and then fill in the port address below. @@ -59,7 +59,7 @@ config RADIO_RTRACK_PORT config RADIO_RTRACK2 tristate "AIMSlab RadioTrack II support" - depends on ISA && VIDEO_DEV + depends on ISA && VIDEO_V4L1 ---help--- Choose Y here if you have this FM radio card, and then fill in the port address below. @@ -82,7 +82,7 @@ config RADIO_RTRACK2_PORT config RADIO_AZTECH tristate "Aztech/Packard Bell Radio" - depends on ISA && VIDEO_DEV + depends on ISA && VIDEO_V4L1 ---help--- Choose Y here if you have one of these FM radio cards, and then fill in the port address below. @@ -106,7 +106,7 @@ config RADIO_AZTECH_PORT config RADIO_GEMTEK tristate "GemTek Radio Card support" - depends on ISA && VIDEO_DEV + depends on ISA && VIDEO_V4L1 ---help--- Choose Y here if you have this FM radio card, and then fill in the port address below. @@ -131,7 +131,7 @@ config RADIO_GEMTEK_PORT config RADIO_GEMTEK_PCI tristate "GemTek PCI Radio Card support" - depends on VIDEO_DEV && PCI + depends on VIDEO_V4L1 && PCI ---help--- Choose Y here if you have this PCI FM radio card. @@ -145,7 +145,7 @@ config RADIO_GEMTEK_PCI config RADIO_MAXIRADIO tristate "Guillemot MAXI Radio FM 2000 radio" - depends on VIDEO_DEV && PCI + depends on VIDEO_V4L1 && PCI ---help--- Choose Y here if you have this radio card. This card may also be found as Gemtek PCI FM. @@ -160,7 +160,7 @@ config RADIO_MAXIRADIO config RADIO_MAESTRO tristate "Maestro on board radio" - depends on VIDEO_DEV + depends on VIDEO_V4L1 ---help--- Say Y here to directly support the on-board radio tuner on the Maestro 2 or 2E sound card. @@ -175,7 +175,7 @@ config RADIO_MAESTRO config RADIO_MIROPCM20 tristate "miroSOUND PCM20 radio" - depends on ISA && VIDEO_DEV && SOUND_ACI_MIXER + depends on ISA && VIDEO_V4L1 && SOUND_ACI_MIXER ---help--- Choose Y here if you have this FM radio card. You also need to say Y to "ACI mixer (miroSOUND PCM1-pro/PCM12/PCM20 radio)" (in "Sound") @@ -208,7 +208,7 @@ config RADIO_MIROPCM20_RDS config RADIO_SF16FMI tristate "SF16FMI Radio" - depends on ISA && VIDEO_DEV + depends on ISA && VIDEO_V4L1 ---help--- Choose Y here if you have one of these FM radio cards. If you compile the driver into the kernel and your card is not PnP one, you @@ -225,7 +225,7 @@ config RADIO_SF16FMI config RADIO_SF16FMR2 tristate "SF16FMR2 Radio" - depends on ISA && VIDEO_DEV + depends on ISA && VIDEO_V4L1 ---help--- Choose Y here if you have one of these FM radio cards. @@ -239,7 +239,7 @@ config RADIO_SF16FMR2 config RADIO_TERRATEC tristate "TerraTec ActiveRadio ISA Standalone" - depends on ISA && VIDEO_DEV + depends on ISA && VIDEO_V4L1 ---help--- Choose Y here if you have this FM radio card, and then fill in the port address below. (TODO) @@ -268,7 +268,7 @@ config RADIO_TERRATEC_PORT config RADIO_TRUST tristate "Trust FM radio card" - depends on ISA && VIDEO_DEV + depends on ISA && VIDEO_V4L1 help This is a driver for the Trust FM radio cards. Say Y if you have such a card and want to use it under Linux. @@ -286,7 +286,7 @@ config RADIO_TRUST_PORT config RADIO_TYPHOON tristate "Typhoon Radio (a.k.a. EcoRadio)" - depends on ISA && VIDEO_DEV + depends on ISA && VIDEO_V4L1 ---help--- Choose Y here if you have one of these FM radio cards, and then fill in the port address and the frequency used for muting below. @@ -330,7 +330,7 @@ config RADIO_TYPHOON_MUTEFREQ config RADIO_ZOLTRIX tristate "Zoltrix Radio" - depends on ISA && VIDEO_DEV + depends on ISA && VIDEO_V4L1 ---help--- Choose Y here if you have one of these FM radio cards, and then fill in the port address below. diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index 85888a8a93c9..6b4197018561 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -2,10 +2,10 @@ # Multimedia Video device configuration # -menu "Video For Linux" +menu "Video Capture Adapters" depends on VIDEO_DEV -comment "Video Adapters" +comment "Video Capture Adapters" config VIDEO_ADV_DEBUG bool "Enable advanced debug functionality" @@ -16,11 +16,23 @@ config VIDEO_ADV_DEBUG V4L devices. In doubt, say N. +config VIDEO_VIVI + tristate "Virtual Video Driver" + depends on VIDEO_V4L2 && !SPARC32 && !SPARC64 + select VIDEO_BUF + default n + ---help--- + Enables a virtual video driver. This device shows a color bar + and a timestamp, as a real device would generate by using V4L2 + api. + Say Y here if you want to test video apps or debug V4L devices. + In doubt, say N. + source "drivers/media/video/bt8xx/Kconfig" config VIDEO_SAA6588 tristate "SAA6588 Radio Chip RDS decoder support on BT848 cards" - depends on VIDEO_DEV && I2C && VIDEO_BT848 + depends on I2C && VIDEO_BT848 help Support for Radio Data System (RDS) decoder. This allows seeing @@ -32,7 +44,7 @@ config VIDEO_SAA6588 config VIDEO_PMS tristate "Mediavision Pro Movie Studio Video For Linux" - depends on VIDEO_DEV && ISA + depends on ISA && VIDEO_V4L1 help Say Y if you have such a thing. @@ -41,7 +53,7 @@ config VIDEO_PMS config VIDEO_PLANB tristate "PlanB Video-In on PowerMac" - depends on PPC_PMAC && VIDEO_DEV && BROKEN + depends on PPC_PMAC && VIDEO_V4L1 && BROKEN help PlanB is the V4L driver for the PowerMac 7x00/8x00 series video input hardware. If you want to experiment with this, say Y. @@ -52,7 +64,7 @@ config VIDEO_PLANB config VIDEO_BWQCAM tristate "Quickcam BW Video For Linux" - depends on VIDEO_DEV && PARPORT + depends on PARPORT && VIDEO_V4L1 help Say Y have if you the black and white version of the QuickCam camera. See the next option for the color version. @@ -62,7 +74,7 @@ config VIDEO_BWQCAM config VIDEO_CQCAM tristate "QuickCam Colour Video For Linux (EXPERIMENTAL)" - depends on EXPERIMENTAL && VIDEO_DEV && PARPORT + depends on EXPERIMENTAL && PARPORT && VIDEO_V4L1 help This is the video4linux driver for the colour version of the Connectix QuickCam. If you have one of these cameras, say Y here, @@ -73,7 +85,7 @@ config VIDEO_CQCAM config VIDEO_W9966 tristate "W9966CF Webcam (FlyCam Supra and others) Video For Linux" - depends on PARPORT_1284 && VIDEO_DEV && PARPORT + depends on PARPORT_1284 && PARPORT && VIDEO_V4L1 help Video4linux driver for Winbond's w9966 based Webcams. Currently tested with the LifeView FlyCam Supra. @@ -86,7 +98,7 @@ config VIDEO_W9966 config VIDEO_CPIA tristate "CPiA Video For Linux" - depends on VIDEO_DEV + depends on VIDEO_V4L1 ---help--- This is the video4linux driver for cameras based on Vision's CPiA (Colour Processor Interface ASIC), such as the Creative Labs Video @@ -123,7 +135,7 @@ source "drivers/media/video/cpia2/Kconfig" config VIDEO_SAA5246A tristate "SAA5246A, SAA5281 Teletext processor" - depends on VIDEO_DEV && I2C + depends on I2C && VIDEO_V4L1 help Support for I2C bus based teletext using the SAA5246A or SAA5281 chip. Useful only if you live in Europe. @@ -150,7 +162,7 @@ config TUNER_3036 config VIDEO_VINO tristate "SGI Vino Video For Linux (EXPERIMENTAL)" - depends on VIDEO_DEV && I2C && SGI_IP22 && EXPERIMENTAL + depends on I2C && SGI_IP22 && EXPERIMENTAL && VIDEO_V4L1 select I2C_ALGO_SGI help Say Y here to build in support for the Vino video input system found @@ -158,7 +170,7 @@ config VIDEO_VINO config VIDEO_STRADIS tristate "Stradis 4:2:2 MPEG-2 video driver (EXPERIMENTAL)" - depends on EXPERIMENTAL && VIDEO_DEV && PCI + depends on EXPERIMENTAL && PCI && VIDEO_V4L1 && !PPC64 help Say Y here to enable support for the Stradis 4:2:2 MPEG-2 video driver for PCI. There is a product page at @@ -166,7 +178,7 @@ config VIDEO_STRADIS config VIDEO_ZORAN tristate "Zoran ZR36057/36067 Video For Linux" - depends on VIDEO_DEV && PCI && I2C_ALGOBIT + depends on PCI && I2C_ALGOBIT && VIDEO_V4L1 && !PPC64 help Say Y for support for MJPEG capture cards based on the Zoran 36057/36067 PCI controller chipset. This includes the Iomega @@ -214,7 +226,7 @@ config VIDEO_ZORAN_LML33R10 config VIDEO_ZR36120 tristate "Zoran ZR36120/36125 Video For Linux" - depends on VIDEO_DEV && PCI && I2C && BROKEN + depends on PCI && I2C && VIDEO_V4L1 && BROKEN help Support for ZR36120/ZR36125 based frame grabber/overlay boards. This includes the Victor II, WaveWatcher, Video Wonder, Maxi-TV, @@ -226,7 +238,7 @@ config VIDEO_ZR36120 config VIDEO_MEYE tristate "Sony Vaio Picturebook Motion Eye Video For Linux" - depends on VIDEO_DEV && PCI && SONYPI + depends on PCI && SONYPI && VIDEO_V4L1 ---help--- This is the video4linux driver for the Motion Eye camera found in the Vaio Picturebook laptops. Please read the material in @@ -242,7 +254,7 @@ source "drivers/media/video/saa7134/Kconfig" config VIDEO_MXB tristate "Siemens-Nixdorf 'Multimedia eXtension Board'" - depends on VIDEO_DEV && PCI + depends on PCI && VIDEO_V4L1 select VIDEO_SAA7146_VV select VIDEO_TUNER ---help--- @@ -254,8 +266,9 @@ config VIDEO_MXB config VIDEO_DPC tristate "Philips-Semiconductors 'dpc7146 demonstration board'" - depends on VIDEO_DEV && PCI + depends on PCI && VIDEO_V4L1 select VIDEO_SAA7146_VV + select VIDEO_V4L2 ---help--- This is a video4linux driver for the 'dpc7146 demonstration board' by Philips-Semiconductors. It's the reference design @@ -268,8 +281,9 @@ config VIDEO_DPC config VIDEO_HEXIUM_ORION tristate "Hexium HV-PCI6 and Orion frame grabber" - depends on VIDEO_DEV && PCI + depends on PCI && VIDEO_V4L1 select VIDEO_SAA7146_VV + select VIDEO_V4L2 ---help--- This is a video4linux driver for the Hexium HV-PCI6 and Orion frame grabber cards by Hexium. @@ -279,8 +293,9 @@ config VIDEO_HEXIUM_ORION config VIDEO_HEXIUM_GEMINI tristate "Hexium Gemini frame grabber" - depends on VIDEO_DEV && PCI + depends on PCI && VIDEO_V4L1 select VIDEO_SAA7146_VV + select VIDEO_V4L2 ---help--- This is a video4linux driver for the Hexium Gemini frame grabber card by Hexium. Please note that the Gemini Dual @@ -293,7 +308,7 @@ source "drivers/media/video/cx88/Kconfig" config VIDEO_OVCAMCHIP tristate "OmniVision Camera Chip support" - depends on VIDEO_DEV && I2C + depends on I2C && VIDEO_V4L1 ---help--- Support for the OmniVision OV6xxx and OV7xxx series of camera chips. This driver is intended to be used with the ov511 and w9968cf USB @@ -304,7 +319,7 @@ config VIDEO_OVCAMCHIP config VIDEO_M32R_AR tristate "AR devices" - depends on M32R + depends on M32R && VIDEO_V4L1 ---help--- This is a video4linux driver for the Renesas AR (Artificial Retina) camera module. @@ -365,17 +380,17 @@ config VIDEO_WM8739 source "drivers/media/video/cx25840/Kconfig" config VIDEO_SAA711X - tristate "Philips SAA7113/4/5 video decoders" - depends on VIDEO_DEV && I2C && EXPERIMENTAL + tristate "Philips SAA7113/4/5 video decoders (OBSOLETED)" + depends on VIDEO_V4L1 && I2C && EXPERIMENTAL ---help--- - Support for the Philips SAA7113/4/5 video decoders. + Old support for the Philips SAA7113/4 video decoders. To compile this driver as a module, choose M here: the module will be called saa7115. config VIDEO_SAA7127 tristate "Philips SAA7127/9 digital video encoders" - depends on VIDEO_DEV && I2C && EXPERIMENTAL + depends on VIDEO_V4L2 && I2C && EXPERIMENTAL ---help--- Support for the Philips SAA7127/9 digital video encoders. @@ -384,7 +399,7 @@ config VIDEO_SAA7127 config VIDEO_UPD64031A tristate "NEC Electronics uPD64031A Ghost Reduction" - depends on VIDEO_DEV && I2C && EXPERIMENTAL + depends on VIDEO_V4L2 && I2C && EXPERIMENTAL ---help--- Support for the NEC Electronics uPD64031A Ghost Reduction video chip. It is most often found in NTSC TV cards made for @@ -396,7 +411,7 @@ config VIDEO_UPD64031A config VIDEO_UPD64083 tristate "NEC Electronics uPD64083 3-Dimensional Y/C separation" - depends on VIDEO_DEV && I2C && EXPERIMENTAL + depends on VIDEO_V4L2 && I2C && EXPERIMENTAL ---help--- Support for the NEC Electronics uPD64083 3-Dimensional Y/C separation video chip. It is used to improve the quality of @@ -418,7 +433,7 @@ source "drivers/media/video/em28xx/Kconfig" config USB_DSBR tristate "D-Link USB FM radio support (EXPERIMENTAL)" - depends on USB && VIDEO_DEV && EXPERIMENTAL + depends on USB && VIDEO_V4L1 && EXPERIMENTAL ---help--- Say Y here if you want to connect this type of radio to your computer's USB port. Note that the audio is not digital, and @@ -434,7 +449,7 @@ source "drivers/media/video/et61x251/Kconfig" config USB_OV511 tristate "USB OV511 Camera support" - depends on USB && VIDEO_DEV + depends on USB && VIDEO_V4L1 ---help--- Say Y here if you want to connect this type of camera to your computer's USB port. See <file:Documentation/video4linux/ov511.txt> @@ -445,7 +460,7 @@ config USB_OV511 config USB_SE401 tristate "USB SE401 Camera support" - depends on USB && VIDEO_DEV + depends on USB && VIDEO_V4L1 ---help--- Say Y here if you want to connect this type of camera to your computer's USB port. See <file:Documentation/video4linux/se401.txt> @@ -458,7 +473,7 @@ source "drivers/media/video/sn9c102/Kconfig" config USB_STV680 tristate "USB STV680 (Pencam) Camera support" - depends on USB && VIDEO_DEV + depends on USB && VIDEO_V4L1 ---help--- Say Y here if you want to connect this type of camera to your computer's USB port. This includes the Pencam line of cameras. @@ -470,7 +485,7 @@ config USB_STV680 config USB_W9968CF tristate "USB W996[87]CF JPEG Dual Mode Camera support" - depends on USB && VIDEO_DEV && I2C + depends on USB && VIDEO_V4L1 && I2C select VIDEO_OVCAMCHIP ---help--- Say Y here if you want support for cameras based on OV681 or diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile index b3ea2d63db9b..e5bf2687b76d 100644 --- a/drivers/media/video/Makefile +++ b/drivers/media/video/Makefile @@ -10,7 +10,11 @@ tuner-objs := tuner-core.o tuner-types.o tuner-simple.o \ msp3400-objs := msp3400-driver.o msp3400-kthreads.o -obj-$(CONFIG_VIDEO_DEV) += videodev.o v4l2-common.o v4l1-compat.o compat_ioctl32.o +obj-$(CONFIG_VIDEO_DEV) += videodev.o v4l2-common.o compat_ioctl32.o + +ifeq ($(CONFIG_VIDEO_V4L1_COMPAT),y) + obj-$(CONFIG_VIDEO_DEV) += v4l1-compat.o +endif obj-$(CONFIG_VIDEO_BT848) += bt8xx/ obj-$(CONFIG_VIDEO_BT848) += tvaudio.o tda7432.o tda9875.o ir-kbd-i2c.o @@ -84,4 +88,8 @@ obj-$(CONFIG_USB_IBMCAM) += usbvideo/ obj-$(CONFIG_USB_KONICAWC) += usbvideo/ obj-$(CONFIG_USB_VICAM) += usbvideo/ +obj-$(CONFIG_VIDEO_VIVI) += vivi.o + EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core +extra-cflags-$(CONFIG_VIDEO_V4L1_COMPAT) += -DCONFIG_VIDEO_V4L1_COMPAT + diff --git a/drivers/media/video/bt8xx/Kconfig b/drivers/media/video/bt8xx/Kconfig index 085477c12612..153f6a4a96c9 100644 --- a/drivers/media/video/bt8xx/Kconfig +++ b/drivers/media/video/bt8xx/Kconfig @@ -1,6 +1,6 @@ config VIDEO_BT848 tristate "BT848 Video For Linux" - depends on VIDEO_DEV && PCI && I2C + depends on VIDEO_DEV && PCI && I2C && VIDEO_V4L2 select I2C_ALGOBIT select FW_LOADER select VIDEO_BTCX diff --git a/drivers/media/video/bt8xx/Makefile b/drivers/media/video/bt8xx/Makefile index db641a36b197..a096a03418aa 100644 --- a/drivers/media/video/bt8xx/Makefile +++ b/drivers/media/video/bt8xx/Makefile @@ -8,5 +8,5 @@ bttv-objs := bttv-driver.o bttv-cards.o bttv-if.o \ obj-$(CONFIG_VIDEO_BT848) += bttv.o -EXTRA_CFLAGS += -I$(src)/.. +EXTRA_CFLAGS += -Idrivers/media/video EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core diff --git a/drivers/media/video/bt8xx/bttv-cards.c b/drivers/media/video/bt8xx/bttv-cards.c index f209a7492051..2b64aa835b42 100644 --- a/drivers/media/video/bt8xx/bttv-cards.c +++ b/drivers/media/video/bt8xx/bttv-cards.c @@ -2991,13 +2991,13 @@ void __devinit bttv_idcard(struct bttv *btv) if (UNSET != audiomux[0]) { gpiobits = 0; - for (i = 0; i < 5; i++) { + for (i = 0; i < 4; i++) { bttv_tvcards[btv->c.type].gpiomux[i] = audiomux[i]; gpiobits |= audiomux[i]; } } else { gpiobits = audioall; - for (i = 0; i < 5; i++) { + for (i = 0; i < 4; i++) { bttv_tvcards[btv->c.type].gpiomux[i] = audioall; } } diff --git a/drivers/media/video/bt8xx/bttv-risc.c b/drivers/media/video/bt8xx/bttv-risc.c index 16323a5d68ac..afcfe71e3792 100644 --- a/drivers/media/video/bt8xx/bttv-risc.c +++ b/drivers/media/video/bt8xx/bttv-risc.c @@ -233,7 +233,7 @@ bttv_risc_overlay(struct bttv *btv, struct btcx_riscmem *risc, const struct bttv_format *fmt, struct bttv_overlay *ov, int skip_even, int skip_odd) { - int instructions,rc,line,maxy,start,end,skip,nskips; + int dwords,rc,line,maxy,start,end,skip,nskips; struct btcx_skiplist *skips; u32 *rp,ri,ra; u32 addr; @@ -242,12 +242,12 @@ bttv_risc_overlay(struct bttv *btv, struct btcx_riscmem *risc, if (NULL == (skips = kmalloc(sizeof(*skips) * ov->nclips,GFP_KERNEL))) return -ENOMEM; - /* estimate risc mem: worst case is (clip+1) * lines instructions + /* estimate risc mem: worst case is (1.5*clip+1) * lines instructions + sync + jump (all 2 dwords) */ - instructions = (ov->nclips + 1) * - ((skip_even || skip_odd) ? ov->w.height>>1 : ov->w.height); - instructions += 2; - if ((rc = btcx_riscmem_alloc(btv->c.pci,risc,instructions*8)) < 0) { + dwords = (3 * ov->nclips + 2) * + ((skip_even || skip_odd) ? (ov->w.height+1)>>1 : ov->w.height); + dwords += 4; + if ((rc = btcx_riscmem_alloc(btv->c.pci,risc,dwords*4)) < 0) { kfree(skips); return rc; } @@ -276,8 +276,6 @@ bttv_risc_overlay(struct bttv *btv, struct btcx_riscmem *risc, if (line > maxy) btcx_calc_skips(line, ov->w.width, &maxy, skips, &nskips, ov->clips, ov->nclips); - else - nskips = 0; /* write out risc code */ for (start = 0, skip = 0; start < ov->w.width; start = end) { diff --git a/drivers/media/video/cx25840/cx25840-firmware.c b/drivers/media/video/cx25840/cx25840-firmware.c index f59ced181c55..1958d4016ea1 100644 --- a/drivers/media/video/cx25840/cx25840-firmware.c +++ b/drivers/media/video/cx25840/cx25840-firmware.c @@ -39,29 +39,12 @@ #define FWDEV(x) &((x)->adapter->dev) -static int fastfw = 1; static char *firmware = FWFILE; -module_param(fastfw, bool, 0444); module_param(firmware, charp, 0444); -MODULE_PARM_DESC(fastfw, "Load firmware fast [0=100MHz 1=333MHz (default)]"); MODULE_PARM_DESC(firmware, "Firmware image [default: " FWFILE "]"); -static void set_i2c_delay(struct i2c_client *client, int delay) -{ - struct i2c_algo_bit_data *algod = client->adapter->algo_data; - - /* We aren't guaranteed to be using algo_bit, - * so avoid the null pointer dereference - * and disable the 'fast firmware load' */ - if (algod) { - algod->udelay = delay; - } else { - fastfw = 0; - } -} - static void start_fw_load(struct i2c_client *client) { /* DL_ADDR_LB=0 DL_ADDR_HB=0 */ @@ -71,16 +54,10 @@ static void start_fw_load(struct i2c_client *client) cx25840_write(client, 0x803, 0x0b); /* AUTO_INC_DIS=1 */ cx25840_write(client, 0x000, 0x20); - - if (fastfw) - set_i2c_delay(client, 3); } static void end_fw_load(struct i2c_client *client) { - if (fastfw) - set_i2c_delay(client, 10); - /* AUTO_INC_DIS=0 */ cx25840_write(client, 0x000, 0x00); /* DL_ENABLE=0 */ @@ -107,30 +84,8 @@ static int fw_write(struct i2c_client *client, u8 * data, int size) int sent; if ((sent = i2c_master_send(client, data, size)) < size) { - - if (fastfw) { - v4l_err(client, "333MHz i2c firmware load failed\n"); - fastfw = 0; - set_i2c_delay(client, 10); - - if (sent > 2) { - u16 dl_addr = cx25840_read(client, 0x801) << 8; - dl_addr |= cx25840_read(client, 0x800); - dl_addr -= sent - 2; - cx25840_write(client, 0x801, dl_addr >> 8); - cx25840_write(client, 0x800, dl_addr & 0xff); - } - - if (i2c_master_send(client, data, size) < size) { - v4l_err(client, "100MHz i2c firmware load failed\n"); - return -ENOSYS; - } - - } else { - v4l_err(client, "firmware load i2c failure\n"); - return -ENOSYS; - } - + v4l_err(client, "firmware load i2c failure\n"); + return -ENOSYS; } return 0; diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c index c7042cf41231..f80154b87d22 100644 --- a/drivers/media/video/cx88/cx88-cards.c +++ b/drivers/media/video/cx88/cx88-cards.c @@ -564,7 +564,7 @@ struct cx88_board cx88_boards[] = { }, [CX88_BOARD_PCHDTV_HD3000] = { .name = "pcHDTV HD3000 HDTV", - .tuner_type = TUNER_THOMSON_DTT7610, + .tuner_type = TUNER_THOMSON_DTT761X, .radio_type = UNSET, .tuner_addr = ADDR_UNSET, .radio_addr = ADDR_UNSET, diff --git a/drivers/media/video/cx88/cx88-core.c b/drivers/media/video/cx88/cx88-core.c index 2c3d9f1999be..e1092d5d4628 100644 --- a/drivers/media/video/cx88/cx88-core.c +++ b/drivers/media/video/cx88/cx88-core.c @@ -146,9 +146,11 @@ int cx88_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc, fields++; /* estimate risc mem: worst case is one write per page border + - one write per scan line + syncs + jump (all 2 dwords) */ - instructions = (bpl * lines * fields) / PAGE_SIZE + lines * fields; - instructions += 3 + 4; + one write per scan line + syncs + jump (all 2 dwords). Padding + can cause next bpl to start close to a page border. First DMA + region may be smaller than PAGE_SIZE */ + instructions = fields * (1 + ((bpl + padding) * lines) / PAGE_SIZE + lines); + instructions += 2; if ((rc = btcx_riscmem_alloc(pci,risc,instructions*8)) < 0) return rc; @@ -176,9 +178,11 @@ int cx88_risc_databuffer(struct pci_dev *pci, struct btcx_riscmem *risc, int rc; /* estimate risc mem: worst case is one write per page border + - one write per scan line + syncs + jump (all 2 dwords) */ - instructions = (bpl * lines) / PAGE_SIZE + lines; - instructions += 3 + 4; + one write per scan line + syncs + jump (all 2 dwords). Here + there is no padding and no sync. First DMA region may be smaller + than PAGE_SIZE */ + instructions = 1 + (bpl * lines) / PAGE_SIZE + lines; + instructions += 1; if ((rc = btcx_riscmem_alloc(pci,risc,instructions*8)) < 0) return rc; diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c index f0ea9b5cdbc2..3619a449aefd 100644 --- a/drivers/media/video/cx88/cx88-dvb.c +++ b/drivers/media/video/cx88/cx88-dvb.c @@ -372,7 +372,7 @@ static int or51132_set_ts_param(struct dvb_frontend* fe, static struct or51132_config pchdtv_hd3000 = { .demod_address = 0x15, .pll_address = 0x61, - .pll_desc = &dvb_pll_thomson_dtt7610, + .pll_desc = &dvb_pll_thomson_dtt761x, .set_ts_params = or51132_set_ts_param, }; #endif diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c index 72a417b31745..694d1d80ff3f 100644 --- a/drivers/media/video/cx88/cx88-video.c +++ b/drivers/media/video/cx88/cx88-video.c @@ -35,8 +35,10 @@ #include "cx88.h" #include <media/v4l2-common.h> +#ifdef CONFIG_VIDEO_V4L1_COMPAT /* Include V4L1 specific functions. Should be removed soon */ #include <linux/videodev.h> +#endif MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards"); MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); diff --git a/drivers/media/video/em28xx/Kconfig b/drivers/media/video/em28xx/Kconfig index 5a793ae7cc23..dfb15bfb83dc 100644 --- a/drivers/media/video/em28xx/Kconfig +++ b/drivers/media/video/em28xx/Kconfig @@ -1,6 +1,6 @@ config VIDEO_EM28XX tristate "Empia EM2800/2820/2840 USB video capture support" - depends on VIDEO_DEV && USB && I2C + depends on VIDEO_V4L1 && USB && I2C select VIDEO_BUF select VIDEO_TUNER select VIDEO_TVEEPROM diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c index ddc92cbb5276..cf7cdf9ef617 100644 --- a/drivers/media/video/em28xx/em28xx-video.c +++ b/drivers/media/video/em28xx/em28xx-video.c @@ -1576,8 +1576,8 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev, errCode = em28xx_config(dev); if (errCode) { em28xx_errdev("error configuring device\n"); - kfree(dev); em28xx_devused&=~(1<<dev->devno); + kfree(dev); return -ENOMEM; } @@ -1603,8 +1603,8 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev, dev->vdev = video_device_alloc(); if (NULL == dev->vdev) { em28xx_errdev("cannot allocate video_device.\n"); - kfree(dev); em28xx_devused&=~(1<<dev->devno); + kfree(dev); return -ENOMEM; } @@ -1612,8 +1612,8 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev, if (NULL == dev->vbi_dev) { em28xx_errdev("cannot allocate video_device.\n"); kfree(dev->vdev); - kfree(dev); em28xx_devused&=~(1<<dev->devno); + kfree(dev); return -ENOMEM; } @@ -1650,8 +1650,8 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev, mutex_unlock(&dev->lock); list_del(&dev->devlist); video_device_release(dev->vdev); - kfree(dev); em28xx_devused&=~(1<<dev->devno); + kfree(dev); return -ENODEV; } @@ -1662,8 +1662,8 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev, list_del(&dev->devlist); video_device_release(dev->vbi_dev); video_device_release(dev->vdev); - kfree(dev); em28xx_devused&=~(1<<dev->devno); + kfree(dev); return -ENODEV; } else { printk("registered VBI\n"); diff --git a/drivers/media/video/et61x251/Kconfig b/drivers/media/video/et61x251/Kconfig index 6c43a90c6569..c6bff705688d 100644 --- a/drivers/media/video/et61x251/Kconfig +++ b/drivers/media/video/et61x251/Kconfig @@ -1,6 +1,6 @@ config USB_ET61X251 tristate "USB ET61X[12]51 PC Camera Controller support" - depends on USB && VIDEO_DEV + depends on USB && VIDEO_V4L1 ---help--- Say Y here if you want support for cameras based on Etoms ET61X151 or ET61X251 PC Camera Controllers. diff --git a/drivers/media/video/pwc/Kconfig b/drivers/media/video/pwc/Kconfig index 86376556f108..53cbc950f95c 100644 --- a/drivers/media/video/pwc/Kconfig +++ b/drivers/media/video/pwc/Kconfig @@ -1,6 +1,6 @@ config USB_PWC tristate "USB Philips Cameras" - depends on USB && VIDEO_DEV + depends on USB && VIDEO_V4L1 ---help--- Say Y or M here if you want to use one of these Philips & OEM webcams: diff --git a/drivers/media/video/pwc/Makefile b/drivers/media/video/pwc/Makefile index 8326684f49f3..33d60126c024 100644 --- a/drivers/media/video/pwc/Makefile +++ b/drivers/media/video/pwc/Makefile @@ -1,20 +1,3 @@ -ifneq ($(KERNELRELEASE),) - pwc-objs := pwc-if.o pwc-misc.o pwc-ctrl.o pwc-uncompress.o pwc-timon.o pwc-kiara.o obj-$(CONFIG_USB_PWC) += pwc.o - -else - -KDIR := /lib/modules/$(shell uname -r)/build -PWD := $(shell pwd) - -default: - $(MAKE) -C $(KDIR) SUBDIRS=$(PWD) modules - -endif - -clean: - rm -f *.[oas] .*.flags *.ko .*.cmd .*.d .*.tmp *.mod.c - rm -rf .tmp_versions - diff --git a/drivers/media/video/saa7127.c b/drivers/media/video/saa7127.c index 133f9e5252fe..c271e2e14105 100644 --- a/drivers/media/video/saa7127.c +++ b/drivers/media/video/saa7127.c @@ -142,6 +142,7 @@ struct i2c_reg_value { static const struct i2c_reg_value saa7129_init_config_extra[] = { { SAA7127_REG_OUTPUT_PORT_CONTROL, 0x38 }, { SAA7127_REG_VTRIG, 0xfa }, + { 0, 0 } }; static const struct i2c_reg_value saa7127_init_config_common[] = { diff --git a/drivers/media/video/saa7134/saa7134-cards.c b/drivers/media/video/saa7134/saa7134-cards.c index e666a4465ca4..86eae3528330 100644 --- a/drivers/media/video/saa7134/saa7134-cards.c +++ b/drivers/media/video/saa7134/saa7134-cards.c @@ -3504,6 +3504,7 @@ int saa7134_board_init1(struct saa7134_dev *dev) /* power-up tuner chip */ saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, 0x00040000, 0x00040000); saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, 0x00040000, 0x00000000); + break; case SAA7134_BOARD_PINNACLE_300I_DVBT_PAL: /* this turns the remote control chip off to work around a bug in it */ saa_writeb(SAA7134_GPIO_GPMODE1, 0x80); diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c index 13de05532e0a..f0c2111f14ad 100644 --- a/drivers/media/video/saa7134/saa7134-core.c +++ b/drivers/media/video/saa7134/saa7134-core.c @@ -548,6 +548,8 @@ static irqreturn_t saa7134_irq(int irq, void *dev_id, struct pt_regs *regs) if (report & SAA7134_IRQ_REPORT_GPIO16) { switch (dev->has_remote) { case SAA7134_REMOTE_GPIO: + if (!dev->remote) + break; if (dev->remote->mask_keydown & 0x10000) { saa7134_input_irq(dev); } @@ -564,6 +566,8 @@ static irqreturn_t saa7134_irq(int irq, void *dev_id, struct pt_regs *regs) if (report & SAA7134_IRQ_REPORT_GPIO18) { switch (dev->has_remote) { case SAA7134_REMOTE_GPIO: + if (!dev->remote) + break; if ((dev->remote->mask_keydown & 0x40000) || (dev->remote->mask_keyup & 0x40000)) { saa7134_input_irq(dev); @@ -676,7 +680,7 @@ static int saa7134_hwinit2(struct saa7134_dev *dev) SAA7134_IRQ2_INTE_PE | SAA7134_IRQ2_INTE_AR; - if (dev->has_remote == SAA7134_REMOTE_GPIO) { + if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) { if (dev->remote->mask_keydown & 0x10000) irq2_mask |= SAA7134_IRQ2_INTE_GPIO16; else if (dev->remote->mask_keydown & 0x40000) diff --git a/drivers/media/video/saa7134/saa7134-video.c b/drivers/media/video/saa7134/saa7134-video.c index aeef80f88a6b..e4156ec9c6d7 100644 --- a/drivers/media/video/saa7134/saa7134-video.c +++ b/drivers/media/video/saa7134/saa7134-video.c @@ -31,8 +31,10 @@ #include "saa7134.h" #include <media/v4l2-common.h> +#ifdef CONFIG_VIDEO_V4L1_COMPAT /* Include V4L1 specific functions. Should be removed soon */ #include <linux/videodev.h> +#endif /* ------------------------------------------------------------------ */ diff --git a/drivers/media/video/sn9c102/Kconfig b/drivers/media/video/sn9c102/Kconfig index 55f2bc11964b..cf552e6b8ecf 100644 --- a/drivers/media/video/sn9c102/Kconfig +++ b/drivers/media/video/sn9c102/Kconfig @@ -1,6 +1,6 @@ config USB_SN9C102 tristate "USB SN9C10x PC Camera Controller support" - depends on USB && VIDEO_DEV + depends on USB && VIDEO_V4L1 ---help--- Say Y here if you want support for cameras based on SONiX SN9C101, SN9C102 or SN9C103 PC Camera Controllers. diff --git a/drivers/media/video/tuner-types.c b/drivers/media/video/tuner-types.c index 72e0f01db563..a1ae036b44ec 100644 --- a/drivers/media/video/tuner-types.c +++ b/drivers/media/video/tuner-types.c @@ -877,8 +877,8 @@ static struct tuner_params tuner_philips_fmd1216me_mk3_params[] = { /* ------------ TUNER_LG_TDVS_H062F - INFINEON ATSC ------------ */ static struct tuner_range tuner_tua6034_ntsc_ranges[] = { - { 16 * 160.00 /*MHz*/, 0x8e, 0x01 }, - { 16 * 455.00 /*MHz*/, 0x8e, 0x02 }, + { 16 * 165.00 /*MHz*/, 0x8e, 0x01 }, + { 16 * 450.00 /*MHz*/, 0x8e, 0x02 }, { 16 * 999.99 , 0x8e, 0x04 }, }; diff --git a/drivers/media/video/tveeprom.c b/drivers/media/video/tveeprom.c index 431c3e2f6c42..b463e996961a 100644 --- a/drivers/media/video/tveeprom.c +++ b/drivers/media/video/tveeprom.c @@ -218,7 +218,7 @@ hauppauge_tuner[] = /* 110-119 */ { TUNER_ABSENT, "Thompson DTT75105"}, { TUNER_ABSENT, "Conexant_CX24109"}, - { TUNER_ABSENT, "TCL M2523_5N_E"}, + { TUNER_TCL_2002N, "TCL M2523_5N_E"}, { TUNER_ABSENT, "TCL M2523_3DB_E"}, { TUNER_ABSENT, "Philips 8275A"}, { TUNER_ABSENT, "Microtune MT2060"}, diff --git a/drivers/media/video/usbvideo/Kconfig b/drivers/media/video/usbvideo/Kconfig index 08a5d20bb2c0..39269a2c5635 100644 --- a/drivers/media/video/usbvideo/Kconfig +++ b/drivers/media/video/usbvideo/Kconfig @@ -3,7 +3,7 @@ config VIDEO_USBVIDEO config USB_VICAM tristate "USB 3com HomeConnect (aka vicam) support (EXPERIMENTAL)" - depends on USB && VIDEO_DEV && EXPERIMENTAL + depends on USB && VIDEO_V4L1 && EXPERIMENTAL select VIDEO_USBVIDEO ---help--- Say Y here if you have 3com homeconnect camera (vicam). @@ -13,7 +13,7 @@ config USB_VICAM config USB_IBMCAM tristate "USB IBM (Xirlink) C-it Camera support" - depends on USB && VIDEO_DEV + depends on USB && VIDEO_V4L1 select VIDEO_USBVIDEO ---help--- Say Y here if you want to connect a IBM "C-It" camera, also known as @@ -28,7 +28,7 @@ config USB_IBMCAM config USB_KONICAWC tristate "USB Konica Webcam support" - depends on USB && VIDEO_DEV + depends on USB && VIDEO_V4L1 select VIDEO_USBVIDEO ---help--- Say Y here if you want support for webcams based on a Konica diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c index 5e813404d068..779db26771c0 100644 --- a/drivers/media/video/vivi.c +++ b/drivers/media/video/vivi.c @@ -26,6 +26,11 @@ #include <linux/random.h> #include <linux/version.h> #include <linux/videodev2.h> +#include <linux/dma-mapping.h> +#ifdef CONFIG_VIDEO_V4L1_COMPAT +/* Include V4L1 specific functions. Should be removed soon */ +#include <linux/videodev.h> +#endif #include <linux/interrupt.h> #include <media/video-buf.h> #include <media/v4l2-common.h> diff --git a/drivers/media/video/zc0301/Kconfig b/drivers/media/video/zc0301/Kconfig index c3bf886b80cd..115833e4f4dd 100644 --- a/drivers/media/video/zc0301/Kconfig +++ b/drivers/media/video/zc0301/Kconfig @@ -1,6 +1,6 @@ config USB_ZC0301 tristate "USB ZC0301 Image Processor and Control Chip support" - depends on USB && VIDEO_DEV + depends on USB && VIDEO_V4L1 ---help--- Say Y here if you want support for cameras based on the ZC0301 Image Processor and Control Chip. diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c index 266414ca2814..9080853fe283 100644 --- a/drivers/message/fusion/mptbase.c +++ b/drivers/message/fusion/mptbase.c @@ -1189,7 +1189,6 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id) ioc->diagPending = 0; spin_lock_init(&ioc->diagLock); spin_lock_init(&ioc->fc_rescan_work_lock); - spin_lock_init(&ioc->fc_rport_lock); spin_lock_init(&ioc->initializing_hba_lock); /* Initialize the event logging. @@ -5736,11 +5735,13 @@ mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag) return rc; } +# define EVENT_DESCR_STR_SZ 100 + /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ static void EventDescriptionStr(u8 event, u32 evData0, char *evStr) { - char *ds; + char *ds = NULL; switch(event) { case MPI_EVENT_NONE: @@ -5777,9 +5778,9 @@ EventDescriptionStr(u8 event, u32 evData0, char *evStr) if (evData0 == MPI_EVENT_LOOP_STATE_CHANGE_LIP) ds = "Loop State(LIP) Change"; else if (evData0 == MPI_EVENT_LOOP_STATE_CHANGE_LPE) - ds = "Loop State(LPE) Change"; /* ??? */ + ds = "Loop State(LPE) Change"; /* ??? */ else - ds = "Loop State(LPB) Change"; /* ??? */ + ds = "Loop State(LPB) Change"; /* ??? */ break; case MPI_EVENT_LOGOUT: ds = "Logout"; @@ -5841,27 +5842,32 @@ EventDescriptionStr(u8 event, u32 evData0, char *evStr) break; case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE: { - char buf[50]; u8 id = (u8)(evData0); u8 ReasonCode = (u8)(evData0 >> 16); switch (ReasonCode) { case MPI_EVENT_SAS_DEV_STAT_RC_ADDED: - sprintf(buf,"SAS Device Status Change: Added: id=%d", id); + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS Device Status Change: Added: id=%d", id); break; case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING: - sprintf(buf,"SAS Device Status Change: Deleted: id=%d", id); + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS Device Status Change: Deleted: id=%d", id); break; case MPI_EVENT_SAS_DEV_STAT_RC_SMART_DATA: - sprintf(buf,"SAS Device Status Change: SMART Data: id=%d", id); + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS Device Status Change: SMART Data: id=%d", + id); break; case MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED: - sprintf(buf,"SAS Device Status Change: No Persistancy Added: id=%d", id); + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS Device Status Change: No Persistancy " + "Added: id=%d", id); break; default: - sprintf(buf,"SAS Device Status Change: Unknown: id=%d", id); - break; + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS Device Status Change: Unknown: id=%d", id); + break; } - ds = buf; break; } case MPI_EVENT_ON_BUS_TIMER_EXPIRED: @@ -5878,41 +5884,46 @@ EventDescriptionStr(u8 event, u32 evData0, char *evStr) break; case MPI_EVENT_SAS_PHY_LINK_STATUS: { - char buf[50]; u8 LinkRates = (u8)(evData0 >> 8); u8 PhyNumber = (u8)(evData0); LinkRates = (LinkRates & MPI_EVENT_SAS_PLS_LR_CURRENT_MASK) >> MPI_EVENT_SAS_PLS_LR_CURRENT_SHIFT; switch (LinkRates) { case MPI_EVENT_SAS_PLS_LR_RATE_UNKNOWN: - sprintf(buf,"SAS PHY Link Status: Phy=%d:" + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS PHY Link Status: Phy=%d:" " Rate Unknown",PhyNumber); break; case MPI_EVENT_SAS_PLS_LR_RATE_PHY_DISABLED: - sprintf(buf,"SAS PHY Link Status: Phy=%d:" + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS PHY Link Status: Phy=%d:" " Phy Disabled",PhyNumber); break; case MPI_EVENT_SAS_PLS_LR_RATE_FAILED_SPEED_NEGOTIATION: - sprintf(buf,"SAS PHY Link Status: Phy=%d:" + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS PHY Link Status: Phy=%d:" " Failed Speed Nego",PhyNumber); break; case MPI_EVENT_SAS_PLS_LR_RATE_SATA_OOB_COMPLETE: - sprintf(buf,"SAS PHY Link Status: Phy=%d:" + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS PHY Link Status: Phy=%d:" " Sata OOB Completed",PhyNumber); break; case MPI_EVENT_SAS_PLS_LR_RATE_1_5: - sprintf(buf,"SAS PHY Link Status: Phy=%d:" + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS PHY Link Status: Phy=%d:" " Rate 1.5 Gbps",PhyNumber); break; case MPI_EVENT_SAS_PLS_LR_RATE_3_0: - sprintf(buf,"SAS PHY Link Status: Phy=%d:" + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS PHY Link Status: Phy=%d:" " Rate 3.0 Gpbs",PhyNumber); break; default: - sprintf(buf,"SAS PHY Link Status: Phy=%d", PhyNumber); + snprintf(evStr, EVENT_DESCR_STR_SZ, + "SAS PHY Link Status: Phy=%d", PhyNumber); break; } - ds = buf; break; } case MPI_EVENT_SAS_DISCOVERY_ERROR: @@ -5921,9 +5932,8 @@ EventDescriptionStr(u8 event, u32 evData0, char *evStr) case MPI_EVENT_IR_RESYNC_UPDATE: { u8 resync_complete = (u8)(evData0 >> 16); - char buf[40]; - sprintf(buf,"IR Resync Update: Complete = %d:",resync_complete); - ds = buf; + snprintf(evStr, EVENT_DESCR_STR_SZ, + "IR Resync Update: Complete = %d:",resync_complete); break; } case MPI_EVENT_IR2: @@ -5976,7 +5986,8 @@ EventDescriptionStr(u8 event, u32 evData0, char *evStr) ds = "Unknown"; break; } - strcpy(evStr,ds); + if (ds) + strncpy(evStr, ds, EVENT_DESCR_STR_SZ); } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ @@ -5998,7 +6009,7 @@ ProcessEventNotification(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply int ii; int r = 0; int handlers = 0; - char evStr[100]; + char evStr[EVENT_DESCR_STR_SZ]; u8 event; /* diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h index be7e8501b53c..f673cca507e1 100644 --- a/drivers/message/fusion/mptbase.h +++ b/drivers/message/fusion/mptbase.h @@ -76,8 +76,8 @@ #define COPYRIGHT "Copyright (c) 1999-2005 " MODULEAUTHOR #endif -#define MPT_LINUX_VERSION_COMMON "3.03.08" -#define MPT_LINUX_PACKAGE_NAME "@(#)mptlinux-3.03.08" +#define MPT_LINUX_VERSION_COMMON "3.03.09" +#define MPT_LINUX_PACKAGE_NAME "@(#)mptlinux-3.03.09" #define WHAT_MAGIC_STRING "@" "(" "#" ")" #define show_mptmod_ver(s,ver) \ @@ -489,7 +489,6 @@ typedef struct _RaidCfgData { #define MPT_RPORT_INFO_FLAGS_REGISTERED 0x01 /* rport registered */ #define MPT_RPORT_INFO_FLAGS_MISSING 0x02 /* missing from DevPage0 scan */ -#define MPT_RPORT_INFO_FLAGS_MAPPED_VDEV 0x04 /* target mapped in vdev */ /* * data allocated for each fc rport device @@ -501,7 +500,6 @@ struct mptfc_rport_info struct scsi_target *starget; FCDevicePage0_t pg0; u8 flags; - u8 remap_needed; }; /* @@ -628,11 +626,11 @@ typedef struct _MPT_ADAPTER struct work_struct mptscsih_persistTask; struct list_head fc_rports; - spinlock_t fc_rport_lock; /* list and ri flags */ spinlock_t fc_rescan_work_lock; int fc_rescan_work_count; struct work_struct fc_rescan_work; - + char fc_rescan_work_q_name[KOBJ_NAME_LEN]; + struct workqueue_struct *fc_rescan_work_q; } MPT_ADAPTER; /* diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c index b343f2a68b1c..856487741ef4 100644 --- a/drivers/message/fusion/mptfc.c +++ b/drivers/message/fusion/mptfc.c @@ -341,9 +341,6 @@ mptfc_generate_rport_ids(FCDevicePage0_t *pg0, struct fc_rport_identifiers *rid) rid->port_name = ((u64)pg0->WWPN.High) << 32 | (u64)pg0->WWPN.Low; rid->port_id = pg0->PortIdentifier; rid->roles = FC_RPORT_ROLE_UNKNOWN; - rid->roles |= FC_RPORT_ROLE_FCP_TARGET; - if (pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_INITIATOR) - rid->roles |= FC_RPORT_ROLE_FCP_INITIATOR; return 0; } @@ -355,15 +352,18 @@ mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0) struct fc_rport *rport; struct mptfc_rport_info *ri; int new_ri = 1; - u64 pn; - unsigned long flags; + u64 pn, nn; VirtTarget *vtarget; + u32 roles = FC_RPORT_ROLE_UNKNOWN; if (mptfc_generate_rport_ids(pg0, &rport_ids) < 0) return; + roles |= FC_RPORT_ROLE_FCP_TARGET; + if (pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_INITIATOR) + roles |= FC_RPORT_ROLE_FCP_INITIATOR; + /* scan list looking for a match */ - spin_lock_irqsave(&ioc->fc_rport_lock, flags); list_for_each_entry(ri, &ioc->fc_rports, list) { pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low; if (pn == rport_ids.port_name) { /* match */ @@ -373,11 +373,9 @@ mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0) } } if (new_ri) { /* allocate one */ - spin_unlock_irqrestore(&ioc->fc_rport_lock, flags); ri = kzalloc(sizeof(struct mptfc_rport_info), GFP_KERNEL); if (!ri) return; - spin_lock_irqsave(&ioc->fc_rport_lock, flags); list_add_tail(&ri->list, &ioc->fc_rports); } @@ -387,14 +385,11 @@ mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0) /* MPT_RPORT_INFO_FLAGS_REGISTERED - rport not previously deleted */ if (!(ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED)) { ri->flags |= MPT_RPORT_INFO_FLAGS_REGISTERED; - spin_unlock_irqrestore(&ioc->fc_rport_lock, flags); rport = fc_remote_port_add(ioc->sh, channel, &rport_ids); - spin_lock_irqsave(&ioc->fc_rport_lock, flags); if (rport) { ri->rport = rport; if (new_ri) /* may have been reset by user */ rport->dev_loss_tmo = mptfc_dev_loss_tmo; - *((struct mptfc_rport_info **)rport->dd_data) = ri; /* * if already mapped, remap here. If not mapped, * target_alloc will allocate vtarget and map, @@ -406,16 +401,21 @@ mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0) vtarget->target_id = pg0->CurrentTargetID; vtarget->bus_id = pg0->CurrentBus; } - ri->remap_needed = 0; } + *((struct mptfc_rport_info **)rport->dd_data) = ri; + /* scan will be scheduled once rport becomes a target */ + fc_remote_port_rolechg(rport,roles); + + pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low; + nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low; dfcprintk ((MYIOC_s_INFO_FMT "mptfc_reg_dev.%d: %x, %llx / %llx, tid %d, " "rport tid %d, tmo %d\n", ioc->name, ioc->sh->host_no, pg0->PortIdentifier, - pg0->WWNN, - pg0->WWPN, + (unsigned long long)nn, + (unsigned long long)pn, pg0->CurrentTargetID, ri->rport->scsi_target_id, ri->rport->dev_loss_tmo)); @@ -425,8 +425,6 @@ mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0) ri = NULL; } } - spin_unlock_irqrestore(&ioc->fc_rport_lock,flags); - } /* @@ -476,7 +474,6 @@ mptfc_target_alloc(struct scsi_target *starget) vtarget->target_id = ri->pg0.CurrentTargetID; vtarget->bus_id = ri->pg0.CurrentBus; ri->starget = starget; - ri->remap_needed = 0; rc = 0; } } @@ -502,10 +499,10 @@ mptfc_slave_alloc(struct scsi_device *sdev) VirtDevice *vdev; struct scsi_target *starget; struct fc_rport *rport; - unsigned long flags; - rport = starget_to_rport(scsi_target(sdev)); + starget = scsi_target(sdev); + rport = starget_to_rport(starget); if (!rport || fc_remote_port_chkready(rport)) return -ENXIO; @@ -519,10 +516,8 @@ mptfc_slave_alloc(struct scsi_device *sdev) return -ENOMEM; } - spin_lock_irqsave(&hd->ioc->fc_rport_lock,flags); sdev->hostdata = vdev; - starget = scsi_target(sdev); vtarget = starget->hostdata; if (vtarget->num_luns == 0) { @@ -535,14 +530,16 @@ mptfc_slave_alloc(struct scsi_device *sdev) vdev->vtarget = vtarget; vdev->lun = sdev->lun; - spin_unlock_irqrestore(&hd->ioc->fc_rport_lock,flags); - vtarget->num_luns++; + #ifdef DMPT_DEBUG_FC - { + { + u64 nn, pn; struct mptfc_rport_info *ri; ri = *((struct mptfc_rport_info **)rport->dd_data); + pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low; + nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low; dfcprintk ((MYIOC_s_INFO_FMT "mptfc_slv_alloc.%d: num_luns %d, sdev.id %d, " "CurrentTargetID %d, %x %llx %llx\n", @@ -550,7 +547,9 @@ mptfc_slave_alloc(struct scsi_device *sdev) sdev->host->host_no, vtarget->num_luns, sdev->id, ri->pg0.CurrentTargetID, - ri->pg0.PortIdentifier, ri->pg0.WWPN, ri->pg0.WWNN)); + ri->pg0.PortIdentifier, + (unsigned long long)pn, + (unsigned long long)nn)); } #endif @@ -570,11 +569,31 @@ mptfc_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) done(SCpnt); return 0; } + + /* dd_data is null until finished adding target */ ri = *((struct mptfc_rport_info **)rport->dd_data); - if (unlikely(ri->remap_needed)) - return SCSI_MLQUEUE_HOST_BUSY; + if (unlikely(!ri)) { + dfcprintk ((MYIOC_s_INFO_FMT + "mptfc_qcmd.%d: %d:%d, dd_data is null.\n", + ((MPT_SCSI_HOST *) SCpnt->device->host->hostdata)->ioc->name, + ((MPT_SCSI_HOST *) SCpnt->device->host->hostdata)->ioc->sh->host_no, + SCpnt->device->id,SCpnt->device->lun)); + SCpnt->result = DID_IMM_RETRY << 16; + done(SCpnt); + return 0; + } - return mptscsih_qcmd(SCpnt,done); + err = mptscsih_qcmd(SCpnt,done); +#ifdef DMPT_DEBUG_FC + if (unlikely(err)) { + dfcprintk ((MYIOC_s_INFO_FMT + "mptfc_qcmd.%d: %d:%d, mptscsih_qcmd returns non-zero.\n", + ((MPT_SCSI_HOST *) SCpnt->device->host->hostdata)->ioc->name, + ((MPT_SCSI_HOST *) SCpnt->device->host->hostdata)->ioc->sh->host_no, + SCpnt->device->id,SCpnt->device->lun)); + } +#endif + return err; } static void @@ -615,18 +634,17 @@ mptfc_rescan_devices(void *arg) MPT_ADAPTER *ioc = (MPT_ADAPTER *)arg; int ii; int work_to_do; + u64 pn; unsigned long flags; struct mptfc_rport_info *ri; do { /* start by tagging all ports as missing */ - spin_lock_irqsave(&ioc->fc_rport_lock,flags); list_for_each_entry(ri, &ioc->fc_rports, list) { if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) { ri->flags |= MPT_RPORT_INFO_FLAGS_MISSING; } } - spin_unlock_irqrestore(&ioc->fc_rport_lock,flags); /* * now rescan devices known to adapter, @@ -639,33 +657,24 @@ mptfc_rescan_devices(void *arg) } /* delete devices still missing */ - spin_lock_irqsave(&ioc->fc_rport_lock, flags); list_for_each_entry(ri, &ioc->fc_rports, list) { /* if newly missing, delete it */ - if ((ri->flags & (MPT_RPORT_INFO_FLAGS_REGISTERED | - MPT_RPORT_INFO_FLAGS_MISSING)) - == (MPT_RPORT_INFO_FLAGS_REGISTERED | - MPT_RPORT_INFO_FLAGS_MISSING)) { + if (ri->flags & MPT_RPORT_INFO_FLAGS_MISSING) { ri->flags &= ~(MPT_RPORT_INFO_FLAGS_REGISTERED| MPT_RPORT_INFO_FLAGS_MISSING); - ri->remap_needed = 1; - fc_remote_port_delete(ri->rport); - /* - * remote port not really deleted 'cause - * binding is by WWPN and driver only - * registers FCP_TARGETs but cannot trust - * data structures. - */ + fc_remote_port_delete(ri->rport); /* won't sleep */ ri->rport = NULL; + + pn = (u64)ri->pg0.WWPN.High << 32 | + (u64)ri->pg0.WWPN.Low; dfcprintk ((MYIOC_s_INFO_FMT "mptfc_rescan.%d: %llx deleted\n", ioc->name, ioc->sh->host_no, - ri->pg0.WWPN)); + (unsigned long long)pn)); } } - spin_unlock_irqrestore(&ioc->fc_rport_lock,flags); /* * allow multiple passes as target state @@ -870,10 +879,23 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto out_mptfc_probe; } - for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) { - mptfc_init_host_attr(ioc,ii); - mptfc_GetFcDevPage0(ioc,ii,mptfc_register_dev); - } + /* initialize workqueue */ + + snprintf(ioc->fc_rescan_work_q_name, KOBJ_NAME_LEN, "mptfc_wq_%d", + sh->host_no); + ioc->fc_rescan_work_q = + create_singlethread_workqueue(ioc->fc_rescan_work_q_name); + if (!ioc->fc_rescan_work_q) + goto out_mptfc_probe; + + /* + * scan for rports - + * by doing it via the workqueue, some locking is eliminated + */ + + ioc->fc_rescan_work_count = 1; + queue_work(ioc->fc_rescan_work_q, &ioc->fc_rescan_work); + flush_workqueue(ioc->fc_rescan_work_q); return 0; @@ -949,8 +971,18 @@ mptfc_init(void) static void __devexit mptfc_remove(struct pci_dev *pdev) { - MPT_ADAPTER *ioc = pci_get_drvdata(pdev); - struct mptfc_rport_info *p, *n; + MPT_ADAPTER *ioc = pci_get_drvdata(pdev); + struct mptfc_rport_info *p, *n; + struct workqueue_struct *work_q; + unsigned long flags; + + /* destroy workqueue */ + if ((work_q=ioc->fc_rescan_work_q)) { + spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); + ioc->fc_rescan_work_q = NULL; + spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); + destroy_workqueue(work_q); + } fc_remove_host(ioc->sh); diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c index e9716b10acea..af6ec553ff7c 100644 --- a/drivers/message/fusion/mptsas.c +++ b/drivers/message/fusion/mptsas.c @@ -91,6 +91,7 @@ enum mptsas_hotplug_action { MPTSAS_DEL_DEVICE, MPTSAS_ADD_RAID, MPTSAS_DEL_RAID, + MPTSAS_IGNORE_EVENT, }; struct mptsas_hotplug_event { @@ -298,6 +299,26 @@ mptsas_find_portinfo_by_handle(MPT_ADAPTER *ioc, u16 handle) return rc; } +/* + * Returns true if there is a scsi end device + */ +static inline int +mptsas_is_end_device(struct mptsas_devinfo * attached) +{ + if ((attached->handle) && + (attached->device_info & + MPI_SAS_DEVICE_INFO_END_DEVICE) && + ((attached->device_info & + MPI_SAS_DEVICE_INFO_SSP_TARGET) | + (attached->device_info & + MPI_SAS_DEVICE_INFO_STP_TARGET) | + (attached->device_info & + MPI_SAS_DEVICE_INFO_SATA_DEVICE))) + return 1; + else + return 0; +} + static int mptsas_sas_enclosure_pg0(MPT_ADAPTER *ioc, struct mptsas_enclosure *enclosure, u32 form, u32 form_specific) @@ -872,7 +893,11 @@ mptsas_sas_device_pg0(MPT_ADAPTER *ioc, struct mptsas_devinfo *device_info, SasDevicePage0_t *buffer; dma_addr_t dma_handle; __le64 sas_address; - int error; + int error=0; + + if (ioc->sas_discovery_runtime && + mptsas_is_end_device(device_info)) + goto out; hdr.PageVersion = MPI_SASDEVICE0_PAGEVERSION; hdr.ExtPageLength = 0; @@ -1009,7 +1034,11 @@ mptsas_sas_expander_pg1(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, CONFIGPARMS cfg; SasExpanderPage1_t *buffer; dma_addr_t dma_handle; - int error; + int error=0; + + if (ioc->sas_discovery_runtime && + mptsas_is_end_device(&phy_info->attached)) + goto out; hdr.PageVersion = MPI_SASEXPANDER0_PAGEVERSION; hdr.ExtPageLength = 0; @@ -1068,26 +1097,6 @@ mptsas_sas_expander_pg1(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, return error; } -/* - * Returns true if there is a scsi end device - */ -static inline int -mptsas_is_end_device(struct mptsas_devinfo * attached) -{ - if ((attached->handle) && - (attached->device_info & - MPI_SAS_DEVICE_INFO_END_DEVICE) && - ((attached->device_info & - MPI_SAS_DEVICE_INFO_SSP_TARGET) | - (attached->device_info & - MPI_SAS_DEVICE_INFO_STP_TARGET) | - (attached->device_info & - MPI_SAS_DEVICE_INFO_SATA_DEVICE))) - return 1; - else - return 0; -} - static void mptsas_parse_device_info(struct sas_identify *identify, struct mptsas_devinfo *device_info) @@ -1737,6 +1746,9 @@ mptsas_hotplug_work(void *arg) break; case MPTSAS_ADD_DEVICE: + if (ev->phys_disk_num_valid) + mpt_findImVolumes(ioc); + /* * Refresh sas device pg0 data */ @@ -1868,6 +1880,9 @@ mptsas_hotplug_work(void *arg) scsi_device_put(sdev); mpt_findImVolumes(ioc); break; + case MPTSAS_IGNORE_EVENT: + default: + break; } kfree(ev); @@ -1940,7 +1955,8 @@ mptscsih_send_raid_event(MPT_ADAPTER *ioc, EVENT_DATA_RAID *raid_event_data) { struct mptsas_hotplug_event *ev; - RAID_VOL0_STATUS * volumeStatus; + int status = le32_to_cpu(raid_event_data->SettingsStatus); + int state = (status >> 8) & 0xff; if (ioc->bus_type != SAS) return; @@ -1955,6 +1971,7 @@ mptscsih_send_raid_event(MPT_ADAPTER *ioc, INIT_WORK(&ev->work, mptsas_hotplug_work, ev); ev->ioc = ioc; ev->id = raid_event_data->VolumeID; + ev->event_type = MPTSAS_IGNORE_EVENT; switch (raid_event_data->ReasonCode) { case MPI_EVENT_RAID_RC_PHYSDISK_DELETED: @@ -1966,6 +1983,25 @@ mptscsih_send_raid_event(MPT_ADAPTER *ioc, ev->phys_disk_num = raid_event_data->PhysDiskNum; ev->event_type = MPTSAS_DEL_DEVICE; break; + case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED: + switch (state) { + case MPI_PD_STATE_ONLINE: + ioc->raid_data.isRaid = 1; + ev->phys_disk_num_valid = 1; + ev->phys_disk_num = raid_event_data->PhysDiskNum; + ev->event_type = MPTSAS_ADD_DEVICE; + break; + case MPI_PD_STATE_MISSING: + case MPI_PD_STATE_NOT_COMPATIBLE: + case MPI_PD_STATE_OFFLINE_AT_HOST_REQUEST: + case MPI_PD_STATE_FAILED_AT_HOST_REQUEST: + case MPI_PD_STATE_OFFLINE_FOR_ANOTHER_REASON: + ev->event_type = MPTSAS_DEL_DEVICE; + break; + default: + break; + } + break; case MPI_EVENT_RAID_RC_VOLUME_DELETED: ev->event_type = MPTSAS_DEL_RAID; break; @@ -1973,11 +2009,18 @@ mptscsih_send_raid_event(MPT_ADAPTER *ioc, ev->event_type = MPTSAS_ADD_RAID; break; case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED: - volumeStatus = (RAID_VOL0_STATUS *) & - raid_event_data->SettingsStatus; - ev->event_type = (volumeStatus->State == - MPI_RAIDVOL0_STATUS_STATE_FAILED) ? - MPTSAS_DEL_RAID : MPTSAS_ADD_RAID; + switch (state) { + case MPI_RAIDVOL0_STATUS_STATE_FAILED: + case MPI_RAIDVOL0_STATUS_STATE_MISSING: + ev->event_type = MPTSAS_DEL_RAID; + break; + case MPI_RAIDVOL0_STATUS_STATE_OPTIMAL: + case MPI_RAIDVOL0_STATUS_STATE_DEGRADED: + ev->event_type = MPTSAS_ADD_RAID; + break; + default: + break; + } break; default: break; diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c index 3729062db317..84fa271eb8f4 100644 --- a/drivers/message/fusion/mptscsih.c +++ b/drivers/message/fusion/mptscsih.c @@ -632,7 +632,11 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr) case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */ /* Spoof to SCSI Selection Timeout! */ - sc->result = DID_NO_CONNECT << 16; + if (ioc->bus_type != FC) + sc->result = DID_NO_CONNECT << 16; + /* else fibre, just stall until rescan event */ + else + sc->result = DID_REQUEUE << 16; if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF) hd->sel_timeout[pScsiReq->TargetID]++; @@ -877,7 +881,7 @@ mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice) struct scsi_cmnd *sc; dsprintk((KERN_INFO MYNAM ": search_running target %d lun %d max %d\n", - vdevice->target_id, vdevice->lun, max)); + vdevice->vtarget->target_id, vdevice->lun, max)); for (ii=0; ii < max; ii++) { if ((sc = hd->ScsiLookup[ii]) != NULL) { @@ -1645,7 +1649,6 @@ int mptscsih_abort(struct scsi_cmnd * SCpnt) { MPT_SCSI_HOST *hd; - MPT_ADAPTER *ioc; MPT_FRAME_HDR *mf; u32 ctx2abort; int scpnt_idx; @@ -1663,14 +1666,6 @@ mptscsih_abort(struct scsi_cmnd * SCpnt) return FAILED; } - ioc = hd->ioc; - if (hd->resetPending) { - return FAILED; - } - - if (hd->timeouts < -1) - hd->timeouts++; - /* Find this command */ if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(SCpnt)) < 0) { @@ -1684,6 +1679,13 @@ mptscsih_abort(struct scsi_cmnd * SCpnt) return SUCCESS; } + if (hd->resetPending) { + return FAILED; + } + + if (hd->timeouts < -1) + hd->timeouts++; + printk(KERN_WARNING MYNAM ": %s: attempting task abort! (sc=%p)\n", hd->ioc->name, SCpnt); scsi_print_command(SCpnt); @@ -1703,7 +1705,7 @@ mptscsih_abort(struct scsi_cmnd * SCpnt) vdev = SCpnt->device->hostdata; retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK, vdev->vtarget->bus_id, vdev->vtarget->target_id, vdev->lun, - ctx2abort, mptscsih_get_tm_timeout(ioc)); + ctx2abort, mptscsih_get_tm_timeout(hd->ioc)); printk (KERN_WARNING MYNAM ": %s: task abort: %s (sc=%p)\n", hd->ioc->name, @@ -2521,15 +2523,15 @@ mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) /* 7. FC: Rescan for blocked rports which might have returned. */ - else if (ioc->bus_type == FC) { - int work_count; - unsigned long flags; - + if (ioc->bus_type == FC) { spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); - work_count = ++ioc->fc_rescan_work_count; + if (ioc->fc_rescan_work_q) { + if (ioc->fc_rescan_work_count++ == 0) { + queue_work(ioc->fc_rescan_work_q, + &ioc->fc_rescan_work); + } + } spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); - if (work_count == 1) - schedule_work(&ioc->fc_rescan_work); } dtmprintk((MYIOC_s_WARN_FMT "Post-Reset complete.\n", ioc->name)); @@ -2544,7 +2546,6 @@ mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) { MPT_SCSI_HOST *hd; u8 event = le32_to_cpu(pEvReply->Event) & 0xFF; - int work_count; unsigned long flags; devtverboseprintk((MYIOC_s_INFO_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n", @@ -2569,10 +2570,13 @@ mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) case MPI_EVENT_RESCAN: /* 06 */ spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); - work_count = ++ioc->fc_rescan_work_count; + if (ioc->fc_rescan_work_q) { + if (ioc->fc_rescan_work_count++ == 0) { + queue_work(ioc->fc_rescan_work_q, + &ioc->fc_rescan_work); + } + } spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); - if (work_count == 1) - schedule_work(&ioc->fc_rescan_work); break; /* diff --git a/drivers/message/fusion/mptspi.c b/drivers/message/fusion/mptspi.c index 09c745b19cc8..f2a4d382ea19 100644 --- a/drivers/message/fusion/mptspi.c +++ b/drivers/message/fusion/mptspi.c @@ -783,6 +783,70 @@ static struct pci_device_id mptspi_pci_table[] = { }; MODULE_DEVICE_TABLE(pci, mptspi_pci_table); + +/* + * renegotiate for a given target + */ +static void +mptspi_dv_renegotiate_work(void *data) +{ + struct work_queue_wrapper *wqw = (struct work_queue_wrapper *)data; + struct _MPT_SCSI_HOST *hd = wqw->hd; + struct scsi_device *sdev; + + kfree(wqw); + + shost_for_each_device(sdev, hd->ioc->sh) + mptspi_dv_device(hd, sdev); +} + +static void +mptspi_dv_renegotiate(struct _MPT_SCSI_HOST *hd) +{ + struct work_queue_wrapper *wqw = kmalloc(sizeof(*wqw), GFP_ATOMIC); + + if (!wqw) + return; + + INIT_WORK(&wqw->work, mptspi_dv_renegotiate_work, wqw); + wqw->hd = hd; + + schedule_work(&wqw->work); +} + +/* + * spi module reset handler + */ +static int +mptspi_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) +{ + struct _MPT_SCSI_HOST *hd = (struct _MPT_SCSI_HOST *)ioc->sh->hostdata; + int rc; + + rc = mptscsih_ioc_reset(ioc, reset_phase); + + if (reset_phase == MPT_IOC_POST_RESET) + mptspi_dv_renegotiate(hd); + + return rc; +} + +/* + * spi module resume handler + */ +static int +mptspi_resume(struct pci_dev *pdev) +{ + MPT_ADAPTER *ioc = pci_get_drvdata(pdev); + struct _MPT_SCSI_HOST *hd = (struct _MPT_SCSI_HOST *)ioc->sh->hostdata; + int rc; + + rc = mptscsih_resume(pdev); + mptspi_dv_renegotiate(hd); + + return rc; +} + /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /* @@ -1032,7 +1096,7 @@ static struct pci_driver mptspi_driver = { .shutdown = mptscsih_shutdown, #ifdef CONFIG_PM .suspend = mptscsih_suspend, - .resume = mptscsih_resume, + .resume = mptspi_resume, #endif }; @@ -1061,7 +1125,7 @@ mptspi_init(void) ": Registered for IOC event notifications\n")); } - if (mpt_reset_register(mptspiDoneCtx, mptscsih_ioc_reset) == 0) { + if (mpt_reset_register(mptspiDoneCtx, mptspi_ioc_reset) == 0) { dprintk((KERN_INFO MYNAM ": Registered for IOC reset notifications\n")); } diff --git a/drivers/mmc/au1xmmc.c b/drivers/mmc/au1xmmc.c index 914d62b24064..5dc4bee7abeb 100644 --- a/drivers/mmc/au1xmmc.c +++ b/drivers/mmc/au1xmmc.c @@ -310,7 +310,7 @@ static void au1xmmc_data_complete(struct au1xmmc_host *host, u32 status) } else data->bytes_xfered = - (data->blocks * (1 << data->blksz_bits)) - + (data->blocks * data->blksz) - host->pio.len; } @@ -575,7 +575,7 @@ static int au1xmmc_prepare_data(struct au1xmmc_host *host, struct mmc_data *data) { - int datalen = data->blocks * (1 << data->blksz_bits); + int datalen = data->blocks * data->blksz; if (dma != 0) host->flags |= HOST_F_DMA; @@ -596,7 +596,7 @@ au1xmmc_prepare_data(struct au1xmmc_host *host, struct mmc_data *data) if (host->dma.len == 0) return MMC_ERR_TIMEOUT; - au_writel((1 << data->blksz_bits) - 1, HOST_BLKSIZE(host)); + au_writel(data->blksz - 1, HOST_BLKSIZE(host)); if (host->flags & HOST_F_DMA) { int i; diff --git a/drivers/mmc/imxmmc.c b/drivers/mmc/imxmmc.c index 79358e223f57..a4eb1d0e7a71 100644 --- a/drivers/mmc/imxmmc.c +++ b/drivers/mmc/imxmmc.c @@ -218,8 +218,10 @@ static int imxmci_busy_wait_for_status(struct imxmci_host *host, if(!loops) return 0; - dev_info(mmc_dev(host->mmc), "busy wait for %d usec in %s, STATUS = 0x%x (0x%x)\n", - loops, where, *pstat, stat_mask); + /* The busy-wait is expected there for clock <8MHz due to SDHC hardware flaws */ + if(!(stat_mask & STATUS_END_CMD_RESP) || (host->mmc->ios.clock>=8000000)) + dev_info(mmc_dev(host->mmc), "busy wait for %d usec in %s, STATUS = 0x%x (0x%x)\n", + loops, where, *pstat, stat_mask); return loops; } @@ -333,6 +335,9 @@ static void imxmci_start_cmd(struct imxmci_host *host, struct mmc_command *cmd, WARN_ON(host->cmd != NULL); host->cmd = cmd; + /* Ensure, that clock are stopped else command programming and start fails */ + imxmci_stop_clock(host); + if (cmd->flags & MMC_RSP_BUSY) cmdat |= CMD_DAT_CONT_BUSY; @@ -553,7 +558,7 @@ static int imxmci_cpu_driven_data(struct imxmci_host *host, unsigned int *pstat) int trans_done = 0; unsigned int stat = *pstat; - if(host->actual_bus_width == MMC_BUS_WIDTH_4) + if(host->actual_bus_width != MMC_BUS_WIDTH_4) burst_len = 16; else burst_len = 64; @@ -591,8 +596,7 @@ static int imxmci_cpu_driven_data(struct imxmci_host *host, unsigned int *pstat) stat = MMC_STATUS; /* Flush extra bytes from FIFO */ - while(flush_len >= 2){ - flush_len -= 2; + while(flush_len && !(stat & STATUS_DATA_TRANS_DONE)){ i = MMC_BUFFER_ACCESS; stat = MMC_STATUS; stat &= ~STATUS_CRC_READ_ERR; /* Stupid but required there */ @@ -746,10 +750,6 @@ static void imxmci_tasklet_fnc(unsigned long data) data_dir_mask = STATUS_DATA_TRANS_DONE; } - imxmci_busy_wait_for_status(host, &stat, - data_dir_mask, - 50, "imxmci_tasklet_fnc data"); - if(stat & data_dir_mask) { clear_bit(IMXMCI_PEND_DMA_END_b, &host->pending_events); imxmci_data_done(host, stat); @@ -865,7 +865,11 @@ static void imxmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) imxmci_stop_clock(host); MMC_CLK_RATE = (prescaler<<3) | clk; - imxmci_start_clock(host); + /* + * Under my understanding, clock should not be started there, because it would + * initiate SDHC sequencer and send last or random command into card + */ + /*imxmci_start_clock(host);*/ dev_dbg(mmc_dev(host->mmc), "MMC_CLK_RATE: 0x%08x\n", MMC_CLK_RATE); } else { diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 1ca2c8b9c9b5..6201f3086a02 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -951,6 +951,7 @@ static void mmc_read_scrs(struct mmc_host *host) data.timeout_ns = card->csd.tacc_ns * 10; data.timeout_clks = card->csd.tacc_clks * 10; data.blksz_bits = 3; + data.blksz = 1 << 3; data.blocks = 1; data.flags = MMC_DATA_READ; data.sg = &sg; diff --git a/drivers/mmc/mmc_block.c b/drivers/mmc/mmc_block.c index 06bd1f4cb9b1..e39cc05c64c2 100644 --- a/drivers/mmc/mmc_block.c +++ b/drivers/mmc/mmc_block.c @@ -175,6 +175,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) brq.data.timeout_ns = card->csd.tacc_ns * 10; brq.data.timeout_clks = card->csd.tacc_clks * 10; brq.data.blksz_bits = md->block_bits; + brq.data.blksz = 1 << md->block_bits; brq.data.blocks = req->nr_sectors >> (md->block_bits - 9); brq.stop.opcode = MMC_STOP_TRANSMISSION; brq.stop.arg = 0; diff --git a/drivers/mmc/pxamci.c b/drivers/mmc/pxamci.c index f97b472085cb..b49368fd96b8 100644 --- a/drivers/mmc/pxamci.c +++ b/drivers/mmc/pxamci.c @@ -119,7 +119,7 @@ static void pxamci_setup_data(struct pxamci_host *host, struct mmc_data *data) nob = 0xffff; writel(nob, host->base + MMC_NOB); - writel(1 << data->blksz_bits, host->base + MMC_BLKLEN); + writel(data->blksz, host->base + MMC_BLKLEN); clks = (unsigned long long)data->timeout_ns * CLOCKRATE; do_div(clks, 1000000000UL); @@ -283,7 +283,7 @@ static int pxamci_data_done(struct pxamci_host *host, unsigned int stat) * data blocks as being in error. */ if (data->error == MMC_ERR_NONE) - data->bytes_xfered = data->blocks << data->blksz_bits; + data->bytes_xfered = data->blocks * data->blksz; else data->bytes_xfered = 0; diff --git a/drivers/mmc/wbsd.c b/drivers/mmc/wbsd.c index 39b3d97f891e..8167332d4013 100644 --- a/drivers/mmc/wbsd.c +++ b/drivers/mmc/wbsd.c @@ -662,14 +662,14 @@ static void wbsd_prepare_data(struct wbsd_host *host, struct mmc_data *data) unsigned long dmaflags; DBGF("blksz %04x blks %04x flags %08x\n", - 1 << data->blksz_bits, data->blocks, data->flags); + data->blksz, data->blocks, data->flags); DBGF("tsac %d ms nsac %d clk\n", data->timeout_ns / 1000000, data->timeout_clks); /* * Calculate size. */ - host->size = data->blocks << data->blksz_bits; + host->size = data->blocks * data->blksz; /* * Check timeout values for overflow. @@ -696,12 +696,12 @@ static void wbsd_prepare_data(struct wbsd_host *host, struct mmc_data *data) * Two bytes are needed for each data line. */ if (host->bus_width == MMC_BUS_WIDTH_1) { - blksize = (1 << data->blksz_bits) + 2; + blksize = data->blksz + 2; wbsd_write_index(host, WBSD_IDX_PBSMSB, (blksize >> 4) & 0xF0); wbsd_write_index(host, WBSD_IDX_PBSLSB, blksize & 0xFF); } else if (host->bus_width == MMC_BUS_WIDTH_4) { - blksize = (1 << data->blksz_bits) + 2 * 4; + blksize = data->blksz + 2 * 4; wbsd_write_index(host, WBSD_IDX_PBSMSB, ((blksize >> 4) & 0xF0) | WBSD_DATA_WIDTH); diff --git a/drivers/net/au1000_eth.c b/drivers/net/au1000_eth.c index 1363083b4d83..14dbad14afb6 100644 --- a/drivers/net/au1000_eth.c +++ b/drivers/net/au1000_eth.c @@ -52,6 +52,7 @@ #include <linux/mii.h> #include <linux/skbuff.h> #include <linux/delay.h> +#include <linux/crc32.h> #include <asm/mipsregs.h> #include <asm/irq.h> #include <asm/io.h> @@ -2070,23 +2071,6 @@ static void au1000_tx_timeout(struct net_device *dev) netif_wake_queue(dev); } - -static unsigned const ethernet_polynomial = 0x04c11db7U; -static inline u32 ether_crc(int length, unsigned char *data) -{ - int crc = -1; - - while(--length >= 0) { - unsigned char current_octet = *data++; - int bit; - for (bit = 0; bit < 8; bit++, current_octet >>= 1) - crc = (crc << 1) ^ - ((crc < 0) ^ (current_octet & 1) ? - ethernet_polynomial : 0); - } - return crc; -} - static void set_rx_mode(struct net_device *dev) { struct au1000_private *aup = (struct au1000_private *) dev->priv; diff --git a/drivers/net/b44.c b/drivers/net/b44.c index 3d306681919e..d8233e0b7899 100644 --- a/drivers/net/b44.c +++ b/drivers/net/b44.c @@ -650,9 +650,11 @@ static int b44_alloc_rx_skb(struct b44 *bp, int src_idx, u32 dest_idx_unmasked) /* Hardware bug work-around, the chip is unable to do PCI DMA to/from anything above 1GB :-( */ - if (mapping + RX_PKT_BUF_SZ > B44_DMA_MASK) { + if (dma_mapping_error(mapping) || + mapping + RX_PKT_BUF_SZ > B44_DMA_MASK) { /* Sigh... */ - pci_unmap_single(bp->pdev, mapping, RX_PKT_BUF_SZ,PCI_DMA_FROMDEVICE); + if (!dma_mapping_error(mapping)) + pci_unmap_single(bp->pdev, mapping, RX_PKT_BUF_SZ,PCI_DMA_FROMDEVICE); dev_kfree_skb_any(skb); skb = __dev_alloc_skb(RX_PKT_BUF_SZ,GFP_DMA); if (skb == NULL) @@ -660,8 +662,10 @@ static int b44_alloc_rx_skb(struct b44 *bp, int src_idx, u32 dest_idx_unmasked) mapping = pci_map_single(bp->pdev, skb->data, RX_PKT_BUF_SZ, PCI_DMA_FROMDEVICE); - if (mapping + RX_PKT_BUF_SZ > B44_DMA_MASK) { - pci_unmap_single(bp->pdev, mapping, RX_PKT_BUF_SZ,PCI_DMA_FROMDEVICE); + if (dma_mapping_error(mapping) || + mapping + RX_PKT_BUF_SZ > B44_DMA_MASK) { + if (!dma_mapping_error(mapping)) + pci_unmap_single(bp->pdev, mapping, RX_PKT_BUF_SZ,PCI_DMA_FROMDEVICE); dev_kfree_skb_any(skb); return -ENOMEM; } @@ -967,9 +971,10 @@ static int b44_start_xmit(struct sk_buff *skb, struct net_device *dev) } mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE); - if (mapping + len > B44_DMA_MASK) { + if (dma_mapping_error(mapping) || mapping + len > B44_DMA_MASK) { /* Chip can't handle DMA to/from >1GB, use bounce buffer */ - pci_unmap_single(bp->pdev, mapping, len, PCI_DMA_TODEVICE); + if (!dma_mapping_error(mapping)) + pci_unmap_single(bp->pdev, mapping, len, PCI_DMA_TODEVICE); bounce_skb = __dev_alloc_skb(TX_PKT_BUF_SZ, GFP_ATOMIC|GFP_DMA); @@ -978,8 +983,9 @@ static int b44_start_xmit(struct sk_buff *skb, struct net_device *dev) mapping = pci_map_single(bp->pdev, bounce_skb->data, len, PCI_DMA_TODEVICE); - if (mapping + len > B44_DMA_MASK) { - pci_unmap_single(bp->pdev, mapping, + if (dma_mapping_error(mapping) || mapping + len > B44_DMA_MASK) { + if (!dma_mapping_error(mapping)) + pci_unmap_single(bp->pdev, mapping, len, PCI_DMA_TODEVICE); dev_kfree_skb_any(bounce_skb); goto err_out; @@ -1203,7 +1209,8 @@ static int b44_alloc_consistent(struct b44 *bp) DMA_TABLE_BYTES, DMA_BIDIRECTIONAL); - if (rx_ring_dma + size > B44_DMA_MASK) { + if (dma_mapping_error(rx_ring_dma) || + rx_ring_dma + size > B44_DMA_MASK) { kfree(rx_ring); goto out_err; } @@ -1229,7 +1236,8 @@ static int b44_alloc_consistent(struct b44 *bp) DMA_TABLE_BYTES, DMA_TO_DEVICE); - if (tx_ring_dma + size > B44_DMA_MASK) { + if (dma_mapping_error(tx_ring_dma) || + tx_ring_dma + size > B44_DMA_MASK) { kfree(tx_ring); goto out_err; } diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 5ca99e26660a..54161aef3cac 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -55,8 +55,8 @@ #define DRV_MODULE_NAME "bnx2" #define PFX DRV_MODULE_NAME ": " -#define DRV_MODULE_VERSION "1.4.39" -#define DRV_MODULE_RELDATE "March 22, 2006" +#define DRV_MODULE_VERSION "1.4.40" +#define DRV_MODULE_RELDATE "May 22, 2006" #define RUN_AT(x) (jiffies + (x)) @@ -2945,7 +2945,7 @@ bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf, int buf_size) { u32 written, offset32, len32; - u8 *buf, start[4], end[4]; + u8 *buf, start[4], end[4], *flash_buffer = NULL; int rc = 0; int align_start, align_end; @@ -2985,12 +2985,19 @@ bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf, memcpy(buf + align_start, data_buf, buf_size); } + if (bp->flash_info->buffered == 0) { + flash_buffer = kmalloc(264, GFP_KERNEL); + if (flash_buffer == NULL) { + rc = -ENOMEM; + goto nvram_write_end; + } + } + written = 0; while ((written < len32) && (rc == 0)) { u32 page_start, page_end, data_start, data_end; u32 addr, cmd_flags; int i; - u8 flash_buffer[264]; /* Find the page_start addr */ page_start = offset32 + written; @@ -3061,7 +3068,7 @@ bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf, } /* Loop to write the new data from data_start to data_end */ - for (addr = data_start; addr < data_end; addr += 4, i++) { + for (addr = data_start; addr < data_end; addr += 4, i += 4) { if ((addr == page_end - 4) || ((bp->flash_info->buffered) && (addr == data_end - 4))) { @@ -3109,6 +3116,9 @@ bnx2_nvram_write(struct bnx2 *bp, u32 offset, u8 *data_buf, } nvram_write_end: + if (bp->flash_info->buffered == 0) + kfree(flash_buffer); + if (align_start || align_end) kfree(buf); return rc; diff --git a/drivers/net/dl2k.c b/drivers/net/dl2k.c index 1f3627470c95..038447fb5c5e 100644 --- a/drivers/net/dl2k.c +++ b/drivers/net/dl2k.c @@ -53,6 +53,7 @@ #define DRV_VERSION "v1.17b" #define DRV_RELDATE "2006/03/10" #include "dl2k.h" +#include <linux/dma-mapping.h> static char version[] __devinitdata = KERN_INFO DRV_NAME " " DRV_VERSION " " DRV_RELDATE "\n"; @@ -765,7 +766,7 @@ rio_free_tx (struct net_device *dev, int irq) break; skb = np->tx_skbuff[entry]; pci_unmap_single (np->pdev, - np->tx_ring[entry].fraginfo & 0xffffffffffff, + np->tx_ring[entry].fraginfo & DMA_48BIT_MASK, skb->len, PCI_DMA_TODEVICE); if (irq) dev_kfree_skb_irq (skb); @@ -893,7 +894,7 @@ receive_packet (struct net_device *dev) /* Small skbuffs for short packets */ if (pkt_len > copy_thresh) { pci_unmap_single (np->pdev, - desc->fraginfo & 0xffffffffffff, + desc->fraginfo & DMA_48BIT_MASK, np->rx_buf_sz, PCI_DMA_FROMDEVICE); skb_put (skb = np->rx_skbuff[entry], pkt_len); @@ -901,7 +902,7 @@ receive_packet (struct net_device *dev) } else if ((skb = dev_alloc_skb (pkt_len + 2)) != NULL) { pci_dma_sync_single_for_cpu(np->pdev, desc->fraginfo & - 0xffffffffffff, + DMA_48BIT_MASK, np->rx_buf_sz, PCI_DMA_FROMDEVICE); skb->dev = dev; @@ -913,7 +914,7 @@ receive_packet (struct net_device *dev) skb_put (skb, pkt_len); pci_dma_sync_single_for_device(np->pdev, desc->fraginfo & - 0xffffffffffff, + DMA_48BIT_MASK, np->rx_buf_sz, PCI_DMA_FROMDEVICE); } @@ -1800,7 +1801,7 @@ rio_close (struct net_device *dev) skb = np->rx_skbuff[i]; if (skb) { pci_unmap_single(np->pdev, - np->rx_ring[i].fraginfo & 0xffffffffffff, + np->rx_ring[i].fraginfo & DMA_48BIT_MASK, skb->len, PCI_DMA_FROMDEVICE); dev_kfree_skb (skb); np->rx_skbuff[i] = NULL; @@ -1810,7 +1811,7 @@ rio_close (struct net_device *dev) skb = np->tx_skbuff[i]; if (skb) { pci_unmap_single(np->pdev, - np->tx_ring[i].fraginfo & 0xffffffffffff, + np->tx_ring[i].fraginfo & DMA_48BIT_MASK, skb->len, PCI_DMA_TODEVICE); dev_kfree_skb (skb); np->tx_skbuff[i] = NULL; diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index f7235c9bc421..705e1229d89d 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -2891,78 +2891,6 @@ static int nv_open(struct net_device *dev) goto out_drain; } - if (np->msi_flags & NV_MSI_X_CAPABLE) { - for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) { - np->msi_x_entry[i].entry = i; - } - if ((ret = pci_enable_msix(np->pci_dev, np->msi_x_entry, (np->msi_flags & NV_MSI_X_VECTORS_MASK))) == 0) { - np->msi_flags |= NV_MSI_X_ENABLED; - if (optimization_mode == NV_OPTIMIZATION_MODE_THROUGHPUT) { - /* Request irq for rx handling */ - if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, &nv_nic_irq_rx, SA_SHIRQ, dev->name, dev) != 0) { - printk(KERN_INFO "forcedeth: request_irq failed for rx %d\n", ret); - pci_disable_msix(np->pci_dev); - np->msi_flags &= ~NV_MSI_X_ENABLED; - goto out_drain; - } - /* Request irq for tx handling */ - if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, &nv_nic_irq_tx, SA_SHIRQ, dev->name, dev) != 0) { - printk(KERN_INFO "forcedeth: request_irq failed for tx %d\n", ret); - pci_disable_msix(np->pci_dev); - np->msi_flags &= ~NV_MSI_X_ENABLED; - goto out_drain; - } - /* Request irq for link and timer handling */ - if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector, &nv_nic_irq_other, SA_SHIRQ, dev->name, dev) != 0) { - printk(KERN_INFO "forcedeth: request_irq failed for link %d\n", ret); - pci_disable_msix(np->pci_dev); - np->msi_flags &= ~NV_MSI_X_ENABLED; - goto out_drain; - } - - /* map interrupts to their respective vector */ - writel(0, base + NvRegMSIXMap0); - writel(0, base + NvRegMSIXMap1); - set_msix_vector_map(dev, NV_MSI_X_VECTOR_RX, NVREG_IRQ_RX_ALL); - set_msix_vector_map(dev, NV_MSI_X_VECTOR_TX, NVREG_IRQ_TX_ALL); - set_msix_vector_map(dev, NV_MSI_X_VECTOR_OTHER, NVREG_IRQ_OTHER); - } else { - /* Request irq for all interrupts */ - if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) { - printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret); - pci_disable_msix(np->pci_dev); - np->msi_flags &= ~NV_MSI_X_ENABLED; - goto out_drain; - } - - /* map interrupts to vector 0 */ - writel(0, base + NvRegMSIXMap0); - writel(0, base + NvRegMSIXMap1); - } - } - } - if (ret != 0 && np->msi_flags & NV_MSI_CAPABLE) { - if ((ret = pci_enable_msi(np->pci_dev)) == 0) { - np->msi_flags |= NV_MSI_ENABLED; - if (request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) { - printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret); - pci_disable_msi(np->pci_dev); - np->msi_flags &= ~NV_MSI_ENABLED; - goto out_drain; - } - - /* map interrupts to vector 0 */ - writel(0, base + NvRegMSIMap0); - writel(0, base + NvRegMSIMap1); - /* enable msi vector 0 */ - writel(NVREG_MSI_VECTOR_0_ENABLED, base + NvRegMSIIrqMask); - } - } - if (ret != 0) { - if (request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) - goto out_drain; - } - /* ask for interrupts */ nv_enable_hw_interrupts(dev, np->irqmask); diff --git a/drivers/net/irda/Makefile b/drivers/net/irda/Makefile index 27ab75f20799..c1ce2398efea 100644 --- a/drivers/net/irda/Makefile +++ b/drivers/net/irda/Makefile @@ -46,4 +46,4 @@ obj-$(CONFIG_MA600_DONGLE) += ma600-sir.o obj-$(CONFIG_TOIM3232_DONGLE) += toim3232-sir.o # The SIR helper module -sir-dev-objs := sir_dev.o sir_dongle.o sir_kthread.o +sir-dev-objs := sir_dev.o sir_dongle.o diff --git a/drivers/net/irda/irda-usb.c b/drivers/net/irda/irda-usb.c index 96bdb73c2283..cd87593e4e8a 100644 --- a/drivers/net/irda/irda-usb.c +++ b/drivers/net/irda/irda-usb.c @@ -1778,7 +1778,7 @@ static int irda_usb_probe(struct usb_interface *intf, if (self->needspatch) { ret = usb_control_msg (self->usbdev, usb_sndctrlpipe (self->usbdev, 0), - 0x02, 0x40, 0, 0, 0, 0, msecs_to_jiffies(500)); + 0x02, 0x40, 0, 0, NULL, 0, 500); if (ret < 0) { IRDA_DEBUG (0, "usb_control_msg failed %d\n", ret); goto err_out_3; diff --git a/drivers/net/irda/sir-dev.h b/drivers/net/irda/sir-dev.h index f69fb4cec76f..9fa294a546d6 100644 --- a/drivers/net/irda/sir-dev.h +++ b/drivers/net/irda/sir-dev.h @@ -15,23 +15,14 @@ #define IRDA_SIR_H #include <linux/netdevice.h> +#include <linux/workqueue.h> #include <net/irda/irda.h> #include <net/irda/irda_device.h> // iobuff_t -/* FIXME: unify irda_request with sir_fsm! */ - -struct irda_request { - struct list_head lh_request; - unsigned long pending; - void (*func)(void *); - void *data; - struct timer_list timer; -}; - struct sir_fsm { struct semaphore sem; - struct irda_request rq; + struct work_struct work; unsigned state, substate; int param; int result; diff --git a/drivers/net/irda/sir_dev.c b/drivers/net/irda/sir_dev.c index ea7c9464d46a..3b5854d10c17 100644 --- a/drivers/net/irda/sir_dev.c +++ b/drivers/net/irda/sir_dev.c @@ -23,6 +23,298 @@ #include "sir-dev.h" + +static struct workqueue_struct *irda_sir_wq; + +/* STATE MACHINE */ + +/* substate handler of the config-fsm to handle the cases where we want + * to wait for transmit completion before changing the port configuration + */ + +static int sirdev_tx_complete_fsm(struct sir_dev *dev) +{ + struct sir_fsm *fsm = &dev->fsm; + unsigned next_state, delay; + unsigned bytes_left; + + do { + next_state = fsm->substate; /* default: stay in current substate */ + delay = 0; + + switch(fsm->substate) { + + case SIRDEV_STATE_WAIT_XMIT: + if (dev->drv->chars_in_buffer) + bytes_left = dev->drv->chars_in_buffer(dev); + else + bytes_left = 0; + if (!bytes_left) { + next_state = SIRDEV_STATE_WAIT_UNTIL_SENT; + break; + } + + if (dev->speed > 115200) + delay = (bytes_left*8*10000) / (dev->speed/100); + else if (dev->speed > 0) + delay = (bytes_left*10*10000) / (dev->speed/100); + else + delay = 0; + /* expected delay (usec) until remaining bytes are sent */ + if (delay < 100) { + udelay(delay); + delay = 0; + break; + } + /* sleep some longer delay (msec) */ + delay = (delay+999) / 1000; + break; + + case SIRDEV_STATE_WAIT_UNTIL_SENT: + /* block until underlaying hardware buffer are empty */ + if (dev->drv->wait_until_sent) + dev->drv->wait_until_sent(dev); + next_state = SIRDEV_STATE_TX_DONE; + break; + + case SIRDEV_STATE_TX_DONE: + return 0; + + default: + IRDA_ERROR("%s - undefined state\n", __FUNCTION__); + return -EINVAL; + } + fsm->substate = next_state; + } while (delay == 0); + return delay; +} + +/* + * Function sirdev_config_fsm + * + * State machine to handle the configuration of the device (and attached dongle, if any). + * This handler is scheduled for execution in kIrDAd context, so we can sleep. + * however, kIrDAd is shared by all sir_dev devices so we better don't sleep there too + * long. Instead, for longer delays we start a timer to reschedule us later. + * On entry, fsm->sem is always locked and the netdev xmit queue stopped. + * Both must be unlocked/restarted on completion - but only on final exit. + */ + +static void sirdev_config_fsm(void *data) +{ + struct sir_dev *dev = data; + struct sir_fsm *fsm = &dev->fsm; + int next_state; + int ret = -1; + unsigned delay; + + IRDA_DEBUG(2, "%s(), <%ld>\n", __FUNCTION__, jiffies); + + do { + IRDA_DEBUG(3, "%s - state=0x%04x / substate=0x%04x\n", + __FUNCTION__, fsm->state, fsm->substate); + + next_state = fsm->state; + delay = 0; + + switch(fsm->state) { + + case SIRDEV_STATE_DONGLE_OPEN: + if (dev->dongle_drv != NULL) { + ret = sirdev_put_dongle(dev); + if (ret) { + fsm->result = -EINVAL; + next_state = SIRDEV_STATE_ERROR; + break; + } + } + + /* Initialize dongle */ + ret = sirdev_get_dongle(dev, fsm->param); + if (ret) { + fsm->result = ret; + next_state = SIRDEV_STATE_ERROR; + break; + } + + /* Dongles are powered through the modem control lines which + * were just set during open. Before resetting, let's wait for + * the power to stabilize. This is what some dongle drivers did + * in open before, while others didn't - should be safe anyway. + */ + + delay = 50; + fsm->substate = SIRDEV_STATE_DONGLE_RESET; + next_state = SIRDEV_STATE_DONGLE_RESET; + + fsm->param = 9600; + + break; + + case SIRDEV_STATE_DONGLE_CLOSE: + /* shouldn't we just treat this as success=? */ + if (dev->dongle_drv == NULL) { + fsm->result = -EINVAL; + next_state = SIRDEV_STATE_ERROR; + break; + } + + ret = sirdev_put_dongle(dev); + if (ret) { + fsm->result = ret; + next_state = SIRDEV_STATE_ERROR; + break; + } + next_state = SIRDEV_STATE_DONE; + break; + + case SIRDEV_STATE_SET_DTR_RTS: + ret = sirdev_set_dtr_rts(dev, + (fsm->param&0x02) ? TRUE : FALSE, + (fsm->param&0x01) ? TRUE : FALSE); + next_state = SIRDEV_STATE_DONE; + break; + + case SIRDEV_STATE_SET_SPEED: + fsm->substate = SIRDEV_STATE_WAIT_XMIT; + next_state = SIRDEV_STATE_DONGLE_CHECK; + break; + + case SIRDEV_STATE_DONGLE_CHECK: + ret = sirdev_tx_complete_fsm(dev); + if (ret < 0) { + fsm->result = ret; + next_state = SIRDEV_STATE_ERROR; + break; + } + if ((delay=ret) != 0) + break; + + if (dev->dongle_drv) { + fsm->substate = SIRDEV_STATE_DONGLE_RESET; + next_state = SIRDEV_STATE_DONGLE_RESET; + } + else { + dev->speed = fsm->param; + next_state = SIRDEV_STATE_PORT_SPEED; + } + break; + + case SIRDEV_STATE_DONGLE_RESET: + if (dev->dongle_drv->reset) { + ret = dev->dongle_drv->reset(dev); + if (ret < 0) { + fsm->result = ret; + next_state = SIRDEV_STATE_ERROR; + break; + } + } + else + ret = 0; + if ((delay=ret) == 0) { + /* set serial port according to dongle default speed */ + if (dev->drv->set_speed) + dev->drv->set_speed(dev, dev->speed); + fsm->substate = SIRDEV_STATE_DONGLE_SPEED; + next_state = SIRDEV_STATE_DONGLE_SPEED; + } + break; + + case SIRDEV_STATE_DONGLE_SPEED: + if (dev->dongle_drv->reset) { + ret = dev->dongle_drv->set_speed(dev, fsm->param); + if (ret < 0) { + fsm->result = ret; + next_state = SIRDEV_STATE_ERROR; + break; + } + } + else + ret = 0; + if ((delay=ret) == 0) + next_state = SIRDEV_STATE_PORT_SPEED; + break; + + case SIRDEV_STATE_PORT_SPEED: + /* Finally we are ready to change the serial port speed */ + if (dev->drv->set_speed) + dev->drv->set_speed(dev, dev->speed); + dev->new_speed = 0; + next_state = SIRDEV_STATE_DONE; + break; + + case SIRDEV_STATE_DONE: + /* Signal network layer so it can send more frames */ + netif_wake_queue(dev->netdev); + next_state = SIRDEV_STATE_COMPLETE; + break; + + default: + IRDA_ERROR("%s - undefined state\n", __FUNCTION__); + fsm->result = -EINVAL; + /* fall thru */ + + case SIRDEV_STATE_ERROR: + IRDA_ERROR("%s - error: %d\n", __FUNCTION__, fsm->result); + +#if 0 /* don't enable this before we have netdev->tx_timeout to recover */ + netif_stop_queue(dev->netdev); +#else + netif_wake_queue(dev->netdev); +#endif + /* fall thru */ + + case SIRDEV_STATE_COMPLETE: + /* config change finished, so we are not busy any longer */ + sirdev_enable_rx(dev); + up(&fsm->sem); + return; + } + fsm->state = next_state; + } while(!delay); + + queue_delayed_work(irda_sir_wq, &fsm->work, msecs_to_jiffies(delay)); +} + +/* schedule some device configuration task for execution by kIrDAd + * on behalf of the above state machine. + * can be called from process or interrupt/tasklet context. + */ + +int sirdev_schedule_request(struct sir_dev *dev, int initial_state, unsigned param) +{ + struct sir_fsm *fsm = &dev->fsm; + + IRDA_DEBUG(2, "%s - state=0x%04x / param=%u\n", __FUNCTION__, initial_state, param); + + if (down_trylock(&fsm->sem)) { + if (in_interrupt() || in_atomic() || irqs_disabled()) { + IRDA_DEBUG(1, "%s(), state machine busy!\n", __FUNCTION__); + return -EWOULDBLOCK; + } else + down(&fsm->sem); + } + + if (fsm->state == SIRDEV_STATE_DEAD) { + /* race with sirdev_close should never happen */ + IRDA_ERROR("%s(), instance staled!\n", __FUNCTION__); + up(&fsm->sem); + return -ESTALE; /* or better EPIPE? */ + } + + netif_stop_queue(dev->netdev); + atomic_set(&dev->enable_rx, 0); + + fsm->state = initial_state; + fsm->param = param; + fsm->result = 0; + + INIT_WORK(&fsm->work, sirdev_config_fsm, dev); + queue_work(irda_sir_wq, &fsm->work); + return 0; +} + + /***************************************************************************/ void sirdev_enable_rx(struct sir_dev *dev) @@ -619,10 +911,6 @@ struct sir_dev * sirdev_get_instance(const struct sir_driver *drv, const char *n spin_lock_init(&dev->tx_lock); init_MUTEX(&dev->fsm.sem); - INIT_LIST_HEAD(&dev->fsm.rq.lh_request); - dev->fsm.rq.pending = 0; - init_timer(&dev->fsm.rq.timer); - dev->drv = drv; dev->netdev = ndev; @@ -682,3 +970,22 @@ int sirdev_put_instance(struct sir_dev *dev) } EXPORT_SYMBOL(sirdev_put_instance); +static int __init sir_wq_init(void) +{ + irda_sir_wq = create_singlethread_workqueue("irda_sir_wq"); + if (!irda_sir_wq) + return -ENOMEM; + return 0; +} + +static void __exit sir_wq_exit(void) +{ + destroy_workqueue(irda_sir_wq); +} + +module_init(sir_wq_init); +module_exit(sir_wq_exit); + +MODULE_AUTHOR("Martin Diehl <info@mdiehl.de>"); +MODULE_DESCRIPTION("IrDA SIR core"); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/irda/sir_kthread.c b/drivers/net/irda/sir_kthread.c deleted file mode 100644 index e3904d6bfecd..000000000000 --- a/drivers/net/irda/sir_kthread.c +++ /dev/null @@ -1,508 +0,0 @@ -/********************************************************************* - * - * sir_kthread.c: dedicated thread to process scheduled - * sir device setup requests - * - * Copyright (c) 2002 Martin Diehl - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - ********************************************************************/ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/version.h> -#include <linux/init.h> -#include <linux/smp_lock.h> -#include <linux/completion.h> -#include <linux/delay.h> - -#include <net/irda/irda.h> - -#include "sir-dev.h" - -/************************************************************************** - * - * kIrDAd kernel thread and config state machine - * - */ - -struct irda_request_queue { - struct list_head request_list; - spinlock_t lock; - task_t *thread; - struct completion exit; - wait_queue_head_t kick, done; - atomic_t num_pending; -}; - -static struct irda_request_queue irda_rq_queue; - -static int irda_queue_request(struct irda_request *rq) -{ - int ret = 0; - unsigned long flags; - - if (!test_and_set_bit(0, &rq->pending)) { - spin_lock_irqsave(&irda_rq_queue.lock, flags); - list_add_tail(&rq->lh_request, &irda_rq_queue.request_list); - wake_up(&irda_rq_queue.kick); - atomic_inc(&irda_rq_queue.num_pending); - spin_unlock_irqrestore(&irda_rq_queue.lock, flags); - ret = 1; - } - return ret; -} - -static void irda_request_timer(unsigned long data) -{ - struct irda_request *rq = (struct irda_request *)data; - unsigned long flags; - - spin_lock_irqsave(&irda_rq_queue.lock, flags); - list_add_tail(&rq->lh_request, &irda_rq_queue.request_list); - wake_up(&irda_rq_queue.kick); - spin_unlock_irqrestore(&irda_rq_queue.lock, flags); -} - -static int irda_queue_delayed_request(struct irda_request *rq, unsigned long delay) -{ - int ret = 0; - struct timer_list *timer = &rq->timer; - - if (!test_and_set_bit(0, &rq->pending)) { - timer->expires = jiffies + delay; - timer->function = irda_request_timer; - timer->data = (unsigned long)rq; - atomic_inc(&irda_rq_queue.num_pending); - add_timer(timer); - ret = 1; - } - return ret; -} - -static void run_irda_queue(void) -{ - unsigned long flags; - struct list_head *entry, *tmp; - struct irda_request *rq; - - spin_lock_irqsave(&irda_rq_queue.lock, flags); - list_for_each_safe(entry, tmp, &irda_rq_queue.request_list) { - rq = list_entry(entry, struct irda_request, lh_request); - list_del_init(entry); - spin_unlock_irqrestore(&irda_rq_queue.lock, flags); - - clear_bit(0, &rq->pending); - rq->func(rq->data); - - if (atomic_dec_and_test(&irda_rq_queue.num_pending)) - wake_up(&irda_rq_queue.done); - - spin_lock_irqsave(&irda_rq_queue.lock, flags); - } - spin_unlock_irqrestore(&irda_rq_queue.lock, flags); -} - -static int irda_thread(void *startup) -{ - DECLARE_WAITQUEUE(wait, current); - - daemonize("kIrDAd"); - - irda_rq_queue.thread = current; - - complete((struct completion *)startup); - - while (irda_rq_queue.thread != NULL) { - - /* We use TASK_INTERRUPTIBLE, rather than - * TASK_UNINTERRUPTIBLE. Andrew Morton made this - * change ; he told me that it is safe, because "signal - * blocking is now handled in daemonize()", he added - * that the problem is that "uninterruptible sleep - * contributes to load average", making user worry. - * Jean II */ - set_task_state(current, TASK_INTERRUPTIBLE); - add_wait_queue(&irda_rq_queue.kick, &wait); - if (list_empty(&irda_rq_queue.request_list)) - schedule(); - else - __set_task_state(current, TASK_RUNNING); - remove_wait_queue(&irda_rq_queue.kick, &wait); - - /* make swsusp happy with our thread */ - try_to_freeze(); - - run_irda_queue(); - } - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,35) - reparent_to_init(); -#endif - complete_and_exit(&irda_rq_queue.exit, 0); - /* never reached */ - return 0; -} - - -static void flush_irda_queue(void) -{ - if (atomic_read(&irda_rq_queue.num_pending)) { - - DECLARE_WAITQUEUE(wait, current); - - if (!list_empty(&irda_rq_queue.request_list)) - run_irda_queue(); - - set_task_state(current, TASK_UNINTERRUPTIBLE); - add_wait_queue(&irda_rq_queue.done, &wait); - if (atomic_read(&irda_rq_queue.num_pending)) - schedule(); - else - __set_task_state(current, TASK_RUNNING); - remove_wait_queue(&irda_rq_queue.done, &wait); - } -} - -/* substate handler of the config-fsm to handle the cases where we want - * to wait for transmit completion before changing the port configuration - */ - -static int irda_tx_complete_fsm(struct sir_dev *dev) -{ - struct sir_fsm *fsm = &dev->fsm; - unsigned next_state, delay; - unsigned bytes_left; - - do { - next_state = fsm->substate; /* default: stay in current substate */ - delay = 0; - - switch(fsm->substate) { - - case SIRDEV_STATE_WAIT_XMIT: - if (dev->drv->chars_in_buffer) - bytes_left = dev->drv->chars_in_buffer(dev); - else - bytes_left = 0; - if (!bytes_left) { - next_state = SIRDEV_STATE_WAIT_UNTIL_SENT; - break; - } - - if (dev->speed > 115200) - delay = (bytes_left*8*10000) / (dev->speed/100); - else if (dev->speed > 0) - delay = (bytes_left*10*10000) / (dev->speed/100); - else - delay = 0; - /* expected delay (usec) until remaining bytes are sent */ - if (delay < 100) { - udelay(delay); - delay = 0; - break; - } - /* sleep some longer delay (msec) */ - delay = (delay+999) / 1000; - break; - - case SIRDEV_STATE_WAIT_UNTIL_SENT: - /* block until underlaying hardware buffer are empty */ - if (dev->drv->wait_until_sent) - dev->drv->wait_until_sent(dev); - next_state = SIRDEV_STATE_TX_DONE; - break; - - case SIRDEV_STATE_TX_DONE: - return 0; - - default: - IRDA_ERROR("%s - undefined state\n", __FUNCTION__); - return -EINVAL; - } - fsm->substate = next_state; - } while (delay == 0); - return delay; -} - -/* - * Function irda_config_fsm - * - * State machine to handle the configuration of the device (and attached dongle, if any). - * This handler is scheduled for execution in kIrDAd context, so we can sleep. - * however, kIrDAd is shared by all sir_dev devices so we better don't sleep there too - * long. Instead, for longer delays we start a timer to reschedule us later. - * On entry, fsm->sem is always locked and the netdev xmit queue stopped. - * Both must be unlocked/restarted on completion - but only on final exit. - */ - -static void irda_config_fsm(void *data) -{ - struct sir_dev *dev = data; - struct sir_fsm *fsm = &dev->fsm; - int next_state; - int ret = -1; - unsigned delay; - - IRDA_DEBUG(2, "%s(), <%ld>\n", __FUNCTION__, jiffies); - - do { - IRDA_DEBUG(3, "%s - state=0x%04x / substate=0x%04x\n", - __FUNCTION__, fsm->state, fsm->substate); - - next_state = fsm->state; - delay = 0; - - switch(fsm->state) { - - case SIRDEV_STATE_DONGLE_OPEN: - if (dev->dongle_drv != NULL) { - ret = sirdev_put_dongle(dev); - if (ret) { - fsm->result = -EINVAL; - next_state = SIRDEV_STATE_ERROR; - break; - } - } - - /* Initialize dongle */ - ret = sirdev_get_dongle(dev, fsm->param); - if (ret) { - fsm->result = ret; - next_state = SIRDEV_STATE_ERROR; - break; - } - - /* Dongles are powered through the modem control lines which - * were just set during open. Before resetting, let's wait for - * the power to stabilize. This is what some dongle drivers did - * in open before, while others didn't - should be safe anyway. - */ - - delay = 50; - fsm->substate = SIRDEV_STATE_DONGLE_RESET; - next_state = SIRDEV_STATE_DONGLE_RESET; - - fsm->param = 9600; - - break; - - case SIRDEV_STATE_DONGLE_CLOSE: - /* shouldn't we just treat this as success=? */ - if (dev->dongle_drv == NULL) { - fsm->result = -EINVAL; - next_state = SIRDEV_STATE_ERROR; - break; - } - - ret = sirdev_put_dongle(dev); - if (ret) { - fsm->result = ret; - next_state = SIRDEV_STATE_ERROR; - break; - } - next_state = SIRDEV_STATE_DONE; - break; - - case SIRDEV_STATE_SET_DTR_RTS: - ret = sirdev_set_dtr_rts(dev, - (fsm->param&0x02) ? TRUE : FALSE, - (fsm->param&0x01) ? TRUE : FALSE); - next_state = SIRDEV_STATE_DONE; - break; - - case SIRDEV_STATE_SET_SPEED: - fsm->substate = SIRDEV_STATE_WAIT_XMIT; - next_state = SIRDEV_STATE_DONGLE_CHECK; - break; - - case SIRDEV_STATE_DONGLE_CHECK: - ret = irda_tx_complete_fsm(dev); - if (ret < 0) { - fsm->result = ret; - next_state = SIRDEV_STATE_ERROR; - break; - } - if ((delay=ret) != 0) - break; - - if (dev->dongle_drv) { - fsm->substate = SIRDEV_STATE_DONGLE_RESET; - next_state = SIRDEV_STATE_DONGLE_RESET; - } - else { - dev->speed = fsm->param; - next_state = SIRDEV_STATE_PORT_SPEED; - } - break; - - case SIRDEV_STATE_DONGLE_RESET: - if (dev->dongle_drv->reset) { - ret = dev->dongle_drv->reset(dev); - if (ret < 0) { - fsm->result = ret; - next_state = SIRDEV_STATE_ERROR; - break; - } - } - else - ret = 0; - if ((delay=ret) == 0) { - /* set serial port according to dongle default speed */ - if (dev->drv->set_speed) - dev->drv->set_speed(dev, dev->speed); - fsm->substate = SIRDEV_STATE_DONGLE_SPEED; - next_state = SIRDEV_STATE_DONGLE_SPEED; - } - break; - - case SIRDEV_STATE_DONGLE_SPEED: - if (dev->dongle_drv->reset) { - ret = dev->dongle_drv->set_speed(dev, fsm->param); - if (ret < 0) { - fsm->result = ret; - next_state = SIRDEV_STATE_ERROR; - break; - } - } - else - ret = 0; - if ((delay=ret) == 0) - next_state = SIRDEV_STATE_PORT_SPEED; - break; - - case SIRDEV_STATE_PORT_SPEED: - /* Finally we are ready to change the serial port speed */ - if (dev->drv->set_speed) - dev->drv->set_speed(dev, dev->speed); - dev->new_speed = 0; - next_state = SIRDEV_STATE_DONE; - break; - - case SIRDEV_STATE_DONE: - /* Signal network layer so it can send more frames */ - netif_wake_queue(dev->netdev); - next_state = SIRDEV_STATE_COMPLETE; - break; - - default: - IRDA_ERROR("%s - undefined state\n", __FUNCTION__); - fsm->result = -EINVAL; - /* fall thru */ - - case SIRDEV_STATE_ERROR: - IRDA_ERROR("%s - error: %d\n", __FUNCTION__, fsm->result); - -#if 0 /* don't enable this before we have netdev->tx_timeout to recover */ - netif_stop_queue(dev->netdev); -#else - netif_wake_queue(dev->netdev); -#endif - /* fall thru */ - - case SIRDEV_STATE_COMPLETE: - /* config change finished, so we are not busy any longer */ - sirdev_enable_rx(dev); - up(&fsm->sem); - return; - } - fsm->state = next_state; - } while(!delay); - - irda_queue_delayed_request(&fsm->rq, msecs_to_jiffies(delay)); -} - -/* schedule some device configuration task for execution by kIrDAd - * on behalf of the above state machine. - * can be called from process or interrupt/tasklet context. - */ - -int sirdev_schedule_request(struct sir_dev *dev, int initial_state, unsigned param) -{ - struct sir_fsm *fsm = &dev->fsm; - int xmit_was_down; - - IRDA_DEBUG(2, "%s - state=0x%04x / param=%u\n", __FUNCTION__, initial_state, param); - - if (down_trylock(&fsm->sem)) { - if (in_interrupt() || in_atomic() || irqs_disabled()) { - IRDA_DEBUG(1, "%s(), state machine busy!\n", __FUNCTION__); - return -EWOULDBLOCK; - } else - down(&fsm->sem); - } - - if (fsm->state == SIRDEV_STATE_DEAD) { - /* race with sirdev_close should never happen */ - IRDA_ERROR("%s(), instance staled!\n", __FUNCTION__); - up(&fsm->sem); - return -ESTALE; /* or better EPIPE? */ - } - - xmit_was_down = netif_queue_stopped(dev->netdev); - netif_stop_queue(dev->netdev); - atomic_set(&dev->enable_rx, 0); - - fsm->state = initial_state; - fsm->param = param; - fsm->result = 0; - - INIT_LIST_HEAD(&fsm->rq.lh_request); - fsm->rq.pending = 0; - fsm->rq.func = irda_config_fsm; - fsm->rq.data = dev; - - if (!irda_queue_request(&fsm->rq)) { /* returns 0 on error! */ - atomic_set(&dev->enable_rx, 1); - if (!xmit_was_down) - netif_wake_queue(dev->netdev); - up(&fsm->sem); - return -EAGAIN; - } - return 0; -} - -static int __init irda_thread_create(void) -{ - struct completion startup; - int pid; - - spin_lock_init(&irda_rq_queue.lock); - irda_rq_queue.thread = NULL; - INIT_LIST_HEAD(&irda_rq_queue.request_list); - init_waitqueue_head(&irda_rq_queue.kick); - init_waitqueue_head(&irda_rq_queue.done); - atomic_set(&irda_rq_queue.num_pending, 0); - - init_completion(&startup); - pid = kernel_thread(irda_thread, &startup, CLONE_FS|CLONE_FILES); - if (pid <= 0) - return -EAGAIN; - else - wait_for_completion(&startup); - - return 0; -} - -static void __exit irda_thread_join(void) -{ - if (irda_rq_queue.thread) { - flush_irda_queue(); - init_completion(&irda_rq_queue.exit); - irda_rq_queue.thread = NULL; - wake_up(&irda_rq_queue.kick); - wait_for_completion(&irda_rq_queue.exit); - } -} - -module_init(irda_thread_create); -module_exit(irda_thread_join); - -MODULE_AUTHOR("Martin Diehl <info@mdiehl.de>"); -MODULE_DESCRIPTION("IrDA SIR core"); -MODULE_LICENSE("GPL"); - diff --git a/drivers/net/irda/smsc-ircc2.c b/drivers/net/irda/smsc-ircc2.c index 58f76cefbc83..a4674044bd6f 100644 --- a/drivers/net/irda/smsc-ircc2.c +++ b/drivers/net/irda/smsc-ircc2.c @@ -54,6 +54,7 @@ #include <linux/rtnetlink.h> #include <linux/serial_reg.h> #include <linux/dma-mapping.h> +#include <linux/pnp.h> #include <linux/platform_device.h> #include <asm/io.h> @@ -358,6 +359,16 @@ static inline void register_bank(int iobase, int bank) iobase + IRCC_MASTER); } +#ifdef CONFIG_PNP +/* PNP hotplug support */ +static const struct pnp_device_id smsc_ircc_pnp_table[] = { + { .id = "SMCf010", .driver_data = 0 }, + /* and presumably others */ + { } +}; +MODULE_DEVICE_TABLE(pnp, smsc_ircc_pnp_table); +#endif + /******************************************************************************* * @@ -2072,7 +2083,8 @@ static void smsc_ircc_sir_wait_hw_transmitter_finish(struct smsc_ircc_cb *self) /* PROBING * - * + * REVISIT we can be told about the device by PNP, and should use that info + * instead of probing hardware and creating a platform_device ... */ static int __init smsc_ircc_look_for_chips(void) diff --git a/drivers/net/ixp2000/enp2611.c b/drivers/net/ixp2000/enp2611.c index 6f7dce8eba51..b67f586d7392 100644 --- a/drivers/net/ixp2000/enp2611.c +++ b/drivers/net/ixp2000/enp2611.c @@ -149,6 +149,8 @@ static void enp2611_check_link_status(unsigned long __dummy) int status; dev = nds[i]; + if (dev == NULL) + continue; status = pm3386_is_link_up(i); if (status && !netif_carrier_ok(dev)) { @@ -191,6 +193,7 @@ static void enp2611_set_port_admin_status(int port, int up) static int __init enp2611_init_module(void) { + int ports; int i; if (!machine_is_enp2611()) @@ -199,7 +202,8 @@ static int __init enp2611_init_module(void) caleb_reset(); pm3386_reset(); - for (i = 0; i < 3; i++) { + ports = pm3386_port_count(); + for (i = 0; i < ports; i++) { nds[i] = ixpdev_alloc(i, sizeof(struct enp2611_ixpdev_priv)); if (nds[i] == NULL) { while (--i >= 0) @@ -215,9 +219,10 @@ static int __init enp2611_init_module(void) ixp2400_msf_init(&enp2611_msf_parameters); - if (ixpdev_init(3, nds, enp2611_set_port_admin_status)) { - for (i = 0; i < 3; i++) - free_netdev(nds[i]); + if (ixpdev_init(ports, nds, enp2611_set_port_admin_status)) { + for (i = 0; i < ports; i++) + if (nds[i]) + free_netdev(nds[i]); return -EINVAL; } diff --git a/drivers/net/ixp2000/pm3386.c b/drivers/net/ixp2000/pm3386.c index 5c7ab7564053..5224651c9aac 100644 --- a/drivers/net/ixp2000/pm3386.c +++ b/drivers/net/ixp2000/pm3386.c @@ -86,40 +86,53 @@ static void pm3386_port_reg_write(int port, int _reg, int spacing, u16 value) pm3386_reg_write(port >> 1, reg, value); } +int pm3386_secondary_present(void) +{ + return pm3386_reg_read(1, 0) == 0x3386; +} void pm3386_reset(void) { u8 mac[3][6]; + int secondary; + + secondary = pm3386_secondary_present(); /* Save programmed MAC addresses. */ pm3386_get_mac(0, mac[0]); pm3386_get_mac(1, mac[1]); - pm3386_get_mac(2, mac[2]); + if (secondary) + pm3386_get_mac(2, mac[2]); /* Assert analog and digital reset. */ pm3386_reg_write(0, 0x002, 0x0060); - pm3386_reg_write(1, 0x002, 0x0060); + if (secondary) + pm3386_reg_write(1, 0x002, 0x0060); mdelay(1); /* Deassert analog reset. */ pm3386_reg_write(0, 0x002, 0x0062); - pm3386_reg_write(1, 0x002, 0x0062); + if (secondary) + pm3386_reg_write(1, 0x002, 0x0062); mdelay(10); /* Deassert digital reset. */ pm3386_reg_write(0, 0x002, 0x0063); - pm3386_reg_write(1, 0x002, 0x0063); + if (secondary) + pm3386_reg_write(1, 0x002, 0x0063); mdelay(10); /* Restore programmed MAC addresses. */ pm3386_set_mac(0, mac[0]); pm3386_set_mac(1, mac[1]); - pm3386_set_mac(2, mac[2]); + if (secondary) + pm3386_set_mac(2, mac[2]); /* Disable carrier on all ports. */ pm3386_set_carrier(0, 0); pm3386_set_carrier(1, 0); - pm3386_set_carrier(2, 0); + if (secondary) + pm3386_set_carrier(2, 0); } static u16 swaph(u16 x) @@ -127,6 +140,11 @@ static u16 swaph(u16 x) return ((x << 8) | (x >> 8)) & 0xffff; } +int pm3386_port_count(void) +{ + return 2 + pm3386_secondary_present(); +} + void pm3386_init_port(int port) { int pm = port >> 1; diff --git a/drivers/net/ixp2000/pm3386.h b/drivers/net/ixp2000/pm3386.h index fe92bb056ac4..cc4183dca911 100644 --- a/drivers/net/ixp2000/pm3386.h +++ b/drivers/net/ixp2000/pm3386.h @@ -13,6 +13,7 @@ #define __PM3386_H void pm3386_reset(void); +int pm3386_port_count(void); void pm3386_init_port(int port); void pm3386_get_mac(int port, u8 *mac); void pm3386_set_mac(int port, u8 *mac); diff --git a/drivers/net/ne.c b/drivers/net/ne.c index 93c494bcd18d..b32765215f75 100644 --- a/drivers/net/ne.c +++ b/drivers/net/ne.c @@ -139,8 +139,9 @@ bad_clone_list[] __initdata = { #if defined(CONFIG_PLAT_MAPPI) # define DCR_VAL 0x4b -#elif defined(CONFIG_PLAT_OAKS32R) -# define DCR_VAL 0x48 +#elif defined(CONFIG_PLAT_OAKS32R) || \ + defined(CONFIG_TOSHIBA_RBTX4927) || defined(CONFIG_TOSHIBA_RBTX4938) +# define DCR_VAL 0x48 /* 8-bit mode */ #else # define DCR_VAL 0x49 #endif @@ -396,10 +397,22 @@ static int __init ne_probe1(struct net_device *dev, int ioaddr) /* We must set the 8390 for word mode. */ outb_p(DCR_VAL, ioaddr + EN0_DCFG); start_page = NESM_START_PG; - stop_page = NESM_STOP_PG; + + /* + * Realtek RTL8019AS datasheet says that the PSTOP register + * shouldn't exceed 0x60 in 8-bit mode. + * This chip can be identified by reading the signature from + * the remote byte count registers (otherwise write-only)... + */ + if ((DCR_VAL & 0x01) == 0 && /* 8-bit mode */ + inb(ioaddr + EN0_RCNTLO) == 0x50 && + inb(ioaddr + EN0_RCNTHI) == 0x70) + stop_page = 0x60; + else + stop_page = NESM_STOP_PG; } else { start_page = NE1SM_START_PG; - stop_page = NE1SM_STOP_PG; + stop_page = NE1SM_STOP_PG; } #if defined(CONFIG_PLAT_MAPPI) || defined(CONFIG_PLAT_OAKS32R) @@ -509,15 +522,9 @@ static int __init ne_probe1(struct net_device *dev, int ioaddr) ei_status.name = name; ei_status.tx_start_page = start_page; ei_status.stop_page = stop_page; -#if defined(CONFIG_TOSHIBA_RBTX4927) || defined(CONFIG_TOSHIBA_RBTX4938) - wordlength = 1; -#endif -#ifdef CONFIG_PLAT_OAKS32R - ei_status.word16 = 0; -#else - ei_status.word16 = (wordlength == 2); -#endif + /* Use 16-bit mode only if this wasn't overridden by DCR_VAL */ + ei_status.word16 = (wordlength == 2 && (DCR_VAL & 0x01)); ei_status.rx_start_page = start_page + TX_PAGES; #ifdef PACKETBUF_MEMSIZE diff --git a/drivers/net/pcmcia/axnet_cs.c b/drivers/net/pcmcia/axnet_cs.c index 448a09488529..2ea66aca648b 100644 --- a/drivers/net/pcmcia/axnet_cs.c +++ b/drivers/net/pcmcia/axnet_cs.c @@ -1691,17 +1691,6 @@ static void do_set_multicast_list(struct net_device *dev) memset(ei_local->mcfilter, 0xFF, 8); } - /* - * DP8390 manuals don't specify any magic sequence for altering - * the multicast regs on an already running card. To be safe, we - * ensure multicast mode is off prior to loading up the new hash - * table. If this proves to be not enough, we can always resort - * to stopping the NIC, loading the table and then restarting. - */ - - if (netif_running(dev)) - outb_p(E8390_RXCONFIG, e8390_base + EN0_RXCR); - outb_p(E8390_NODMA + E8390_PAGE1, e8390_base + E8390_CMD); for(i = 0; i < 8; i++) { @@ -1715,6 +1704,8 @@ static void do_set_multicast_list(struct net_device *dev) outb_p(E8390_RXCONFIG | 0x48, e8390_base + EN0_RXCR); else outb_p(E8390_RXCONFIG | 0x40, e8390_base + EN0_RXCR); + + outb_p(E8390_NODMA+E8390_PAGE0+E8390_START, e8390_base+E8390_CMD); } /* diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 459443b572ce..1b236bdf6b92 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -60,8 +60,10 @@ int mdiobus_register(struct mii_bus *bus) for (i = 0; i < PHY_MAX_ADDR; i++) { struct phy_device *phydev; - if (bus->phy_mask & (1 << i)) + if (bus->phy_mask & (1 << i)) { + bus->phy_map[i] = NULL; continue; + } phydev = get_phy_device(bus, i); diff --git a/drivers/net/sis900.c b/drivers/net/sis900.c index b82191d2bee1..f5a3bf4d959a 100644 --- a/drivers/net/sis900.c +++ b/drivers/net/sis900.c @@ -127,6 +127,7 @@ static const struct mii_chip_info { } mii_chip_table[] = { { "SiS 900 Internal MII PHY", 0x001d, 0x8000, LAN }, { "SiS 7014 Physical Layer Solution", 0x0016, 0xf830, LAN }, + { "SiS 900 on Foxconn 661 7MI", 0x0143, 0xBC70, LAN }, { "Altimata AC101LF PHY", 0x0022, 0x5520, LAN }, { "ADM 7001 LAN PHY", 0x002e, 0xcc60, LAN }, { "AMD 79C901 10BASE-T PHY", 0x0000, 0x6B70, LAN }, diff --git a/drivers/net/skge.c b/drivers/net/skge.c index a70c2b0cc104..5ca5a1b546a1 100644 --- a/drivers/net/skge.c +++ b/drivers/net/skge.c @@ -78,8 +78,7 @@ static const struct pci_device_id skge_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_GE) }, { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_YU) }, { PCI_DEVICE(PCI_VENDOR_ID_DLINK, PCI_DEVICE_ID_DLINK_DGE510T), }, - { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4b00) }, - { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4b01) }, + { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4b01) }, /* DGE-530T */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4320) }, { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x5005) }, /* Belkin */ { PCI_DEVICE(PCI_VENDOR_ID_CNET, PCI_DEVICE_ID_CNET_GIGACARD) }, @@ -402,7 +401,7 @@ static int skge_set_ring_param(struct net_device *dev, int err; if (p->rx_pending == 0 || p->rx_pending > MAX_RX_RING_SIZE || - p->tx_pending == 0 || p->tx_pending > MAX_TX_RING_SIZE) + p->tx_pending < MAX_SKB_FRAGS+1 || p->tx_pending > MAX_TX_RING_SIZE) return -EINVAL; skge->rx_ring.count = p->rx_pending; @@ -2717,8 +2716,7 @@ static int skge_poll(struct net_device *dev, int *budget) if (control & BMU_OWN) break; - skb = skge_rx_get(skge, e, control, rd->status, - le16_to_cpu(rd->csum2)); + skb = skge_rx_get(skge, e, control, rd->status, rd->csum2); if (likely(skb)) { dev->last_rx = jiffies; netif_receive_skb(skb); diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 227df9876a2c..60779ebf2ff6 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -51,7 +51,7 @@ #include "sky2.h" #define DRV_NAME "sky2" -#define DRV_VERSION "1.2" +#define DRV_VERSION "1.4" #define PFX DRV_NAME " " /* @@ -79,6 +79,8 @@ #define NAPI_WEIGHT 64 #define PHY_RETRIES 1000 +#define RING_NEXT(x,s) (((x)+1) & ((s)-1)) + static const u32 default_msg = NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK | NETIF_MSG_TIMER | NETIF_MSG_TX_ERR | NETIF_MSG_RX_ERR @@ -96,9 +98,14 @@ static int disable_msi = 0; module_param(disable_msi, int, 0); MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)"); +static int idle_timeout = 100; +module_param(idle_timeout, int, 0); +MODULE_PARM_DESC(idle_timeout, "Idle timeout workaround for lost interrupts (ms)"); + static const struct pci_device_id sky2_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9000) }, { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E00) }, + { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4b00) }, /* DGE-560T */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4340) }, { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4341) }, { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4342) }, @@ -122,6 +129,7 @@ MODULE_DEVICE_TABLE(pci, sky2_id_table); /* Avoid conditionals by using array */ static const unsigned txqaddr[] = { Q_XA1, Q_XA2 }; static const unsigned rxqaddr[] = { Q_R1, Q_R2 }; +static const u32 portirq_msk[] = { Y2_IS_PORT_1, Y2_IS_PORT_2 }; /* This driver supports yukon2 chipset only */ static const char *yukon2_name[] = { @@ -228,6 +236,7 @@ static int sky2_set_power_state(struct sky2_hw *hw, pci_power_t state) } if (hw->chip_id == CHIP_ID_YUKON_EC_U) { + sky2_write16(hw, B0_CTST, Y2_HW_WOL_ON); sky2_pci_write32(hw, PCI_DEV_REG3, 0); reg1 = sky2_pci_read32(hw, PCI_DEV_REG4); reg1 &= P_ASPM_CONTROL_MSK; @@ -298,7 +307,8 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) struct sky2_port *sky2 = netdev_priv(hw->dev[port]); u16 ctrl, ct1000, adv, pg, ledctrl, ledover; - if (sky2->autoneg == AUTONEG_ENABLE && hw->chip_id != CHIP_ID_YUKON_XL) { + if (sky2->autoneg == AUTONEG_ENABLE && + !(hw->chip_id == CHIP_ID_YUKON_XL || hw->chip_id == CHIP_ID_YUKON_EC_U)) { u16 ectrl = gm_phy_read(hw, port, PHY_MARV_EXT_CTRL); ectrl &= ~(PHY_M_EC_M_DSC_MSK | PHY_M_EC_S_DSC_MSK | @@ -326,7 +336,7 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) ctrl |= PHY_M_PC_MDI_XMODE(PHY_M_PC_ENA_AUTO); if (sky2->autoneg == AUTONEG_ENABLE && - hw->chip_id == CHIP_ID_YUKON_XL) { + (hw->chip_id == CHIP_ID_YUKON_XL || hw->chip_id == CHIP_ID_YUKON_EC_U)) { ctrl &= ~PHY_M_PC_DSC_MSK; ctrl |= PHY_M_PC_DSC(2) | PHY_M_PC_DOWN_S_ENA; } @@ -442,10 +452,11 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); /* set LED Function Control register */ - gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, (PHY_M_LEDC_LOS_CTRL(1) | /* LINK/ACT */ - PHY_M_LEDC_INIT_CTRL(7) | /* 10 Mbps */ - PHY_M_LEDC_STA1_CTRL(7) | /* 100 Mbps */ - PHY_M_LEDC_STA0_CTRL(7))); /* 1000 Mbps */ + gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, + (PHY_M_LEDC_LOS_CTRL(1) | /* LINK/ACT */ + PHY_M_LEDC_INIT_CTRL(7) | /* 10 Mbps */ + PHY_M_LEDC_STA1_CTRL(7) | /* 100 Mbps */ + PHY_M_LEDC_STA0_CTRL(7))); /* 1000 Mbps */ /* set Polarity Control register */ gm_phy_write(hw, port, PHY_MARV_PHY_STAT, @@ -459,6 +470,25 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) /* restore page register */ gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); break; + case CHIP_ID_YUKON_EC_U: + pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); + + /* select page 3 to access LED control register */ + gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); + + /* set LED Function Control register */ + gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, + (PHY_M_LEDC_LOS_CTRL(1) | /* LINK/ACT */ + PHY_M_LEDC_INIT_CTRL(8) | /* 10 Mbps */ + PHY_M_LEDC_STA1_CTRL(7) | /* 100 Mbps */ + PHY_M_LEDC_STA0_CTRL(7)));/* 1000 Mbps */ + + /* set Blink Rate in LED Timer Control Register */ + gm_phy_write(hw, port, PHY_MARV_INT_MASK, + ledctrl | PHY_M_LED_BLINK_RT(BLINK_84MS)); + /* restore page register */ + gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); + break; default: /* set Tx LED (LED_TX) to blink mode on Rx OR Tx activity */ @@ -467,19 +497,21 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) ledover |= PHY_M_LED_MO_RX(MO_LED_OFF); } - if (hw->chip_id == CHIP_ID_YUKON_EC_U && hw->chip_rev >= 2) { + if (hw->chip_id == CHIP_ID_YUKON_EC_U && hw->chip_rev == CHIP_REV_YU_EC_A1) { /* apply fixes in PHY AFE */ - gm_phy_write(hw, port, 22, 255); + pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); + gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 255); + /* increase differential signal amplitude in 10BASE-T */ - gm_phy_write(hw, port, 24, 0xaa99); - gm_phy_write(hw, port, 23, 0x2011); + gm_phy_write(hw, port, 0x18, 0xaa99); + gm_phy_write(hw, port, 0x17, 0x2011); /* fix for IEEE A/B Symmetry failure in 1000BASE-T */ - gm_phy_write(hw, port, 24, 0xa204); - gm_phy_write(hw, port, 23, 0x2002); + gm_phy_write(hw, port, 0x18, 0xa204); + gm_phy_write(hw, port, 0x17, 0x2002); /* set page register to 0 */ - gm_phy_write(hw, port, 22, 0); + gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); } else { gm_phy_write(hw, port, PHY_MARV_LED_CTRL, ledctrl); @@ -553,6 +585,11 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port) if (sky2->duplex == DUPLEX_FULL) reg |= GM_GPCR_DUP_FULL; + + /* turn off pause in 10/100mbps half duplex */ + else if (sky2->speed != SPEED_1000 && + hw->chip_id != CHIP_ID_YUKON_EC_U) + sky2->tx_pause = sky2->rx_pause = 0; } else reg = GM_GPCR_SPEED_1000 | GM_GPCR_SPEED_100 | GM_GPCR_DUP_FULL; @@ -719,7 +756,7 @@ static inline struct sky2_tx_le *get_tx_le(struct sky2_port *sky2) { struct sky2_tx_le *le = sky2->tx_le + sky2->tx_prod; - sky2->tx_prod = (sky2->tx_prod + 1) % TX_RING_SIZE; + sky2->tx_prod = RING_NEXT(sky2->tx_prod, TX_RING_SIZE); return le; } @@ -735,7 +772,7 @@ static inline void sky2_put_idx(struct sky2_hw *hw, unsigned q, u16 idx) static inline struct sky2_rx_le *sky2_next_rx(struct sky2_port *sky2) { struct sky2_rx_le *le = sky2->rx_le + sky2->rx_put; - sky2->rx_put = (sky2->rx_put + 1) % RX_LE_SIZE; + sky2->rx_put = RING_NEXT(sky2->rx_put, RX_LE_SIZE); return le; } @@ -985,7 +1022,25 @@ static int sky2_up(struct net_device *dev) struct sky2_hw *hw = sky2->hw; unsigned port = sky2->port; u32 ramsize, rxspace, imask; - int err = -ENOMEM; + int cap, err = -ENOMEM; + struct net_device *otherdev = hw->dev[sky2->port^1]; + + /* + * On dual port PCI-X card, there is an problem where status + * can be received out of order due to split transactions + */ + if (otherdev && netif_running(otherdev) && + (cap = pci_find_capability(hw->pdev, PCI_CAP_ID_PCIX))) { + struct sky2_port *osky2 = netdev_priv(otherdev); + u16 cmd; + + cmd = sky2_pci_read16(hw, cap + PCI_X_CMD); + cmd &= ~PCI_X_CMD_MAX_SPLIT; + sky2_pci_write16(hw, cap + PCI_X_CMD, cmd); + + sky2->rx_csum = 0; + osky2->rx_csum = 0; + } if (netif_msg_ifup(sky2)) printk(KERN_INFO PFX "%s: enabling interface\n", dev->name); @@ -1050,7 +1105,7 @@ static int sky2_up(struct net_device *dev) /* Enable interrupts from phy/mac for port */ imask = sky2_read32(hw, B0_IMSK); - imask |= (port == 0) ? Y2_IS_PORT_1 : Y2_IS_PORT_2; + imask |= portirq_msk[port]; sky2_write32(hw, B0_IMSK, imask); return 0; @@ -1078,7 +1133,7 @@ err_out: /* Modular subtraction in ring */ static inline int tx_dist(unsigned tail, unsigned head) { - return (head - tail) % TX_RING_SIZE; + return (head - tail) & (TX_RING_SIZE - 1); } /* Number of list elements available for next tx */ @@ -1255,7 +1310,7 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev) le->opcode = OP_BUFFER | HW_OWNER; fre = sky2->tx_ring - + ((re - sky2->tx_ring) + i + 1) % TX_RING_SIZE; + + RING_NEXT((re - sky2->tx_ring) + i, TX_RING_SIZE); pci_unmap_addr_set(fre, mapaddr, mapping); } @@ -1315,7 +1370,7 @@ static void sky2_tx_complete(struct sky2_port *sky2, u16 done) for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { struct tx_ring_info *fre; - fre = sky2->tx_ring + (put + i + 1) % TX_RING_SIZE; + fre = sky2->tx_ring + RING_NEXT(put + i, TX_RING_SIZE); pci_unmap_page(pdev, pci_unmap_addr(fre, mapaddr), skb_shinfo(skb)->frags[i].size, PCI_DMA_TODEVICE); @@ -1401,7 +1456,7 @@ static int sky2_down(struct net_device *dev) /* Disable port IRQ */ imask = sky2_read32(hw, B0_IMSK); - imask &= ~(sky2->port == 0) ? Y2_IS_PORT_1 : Y2_IS_PORT_2; + imask &= ~portirq_msk[port]; sky2_write32(hw, B0_IMSK, imask); /* turn off LED's */ @@ -1498,17 +1553,26 @@ static void sky2_link_up(struct sky2_port *sky2) sky2_write8(hw, SK_REG(port, LNK_LED_REG), LINKLED_ON | LINKLED_BLINK_OFF | LINKLED_LINKSYNC_OFF); - if (hw->chip_id == CHIP_ID_YUKON_XL) { + if (hw->chip_id == CHIP_ID_YUKON_XL || hw->chip_id == CHIP_ID_YUKON_EC_U) { u16 pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); + u16 led = PHY_M_LEDC_LOS_CTRL(1); /* link active */ + + switch(sky2->speed) { + case SPEED_10: + led |= PHY_M_LEDC_INIT_CTRL(7); + break; + + case SPEED_100: + led |= PHY_M_LEDC_STA1_CTRL(7); + break; + + case SPEED_1000: + led |= PHY_M_LEDC_STA0_CTRL(7); + break; + } gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); - gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, PHY_M_LEDC_LOS_CTRL(1) | /* LINK/ACT */ - PHY_M_LEDC_INIT_CTRL(sky2->speed == - SPEED_10 ? 7 : 0) | - PHY_M_LEDC_STA1_CTRL(sky2->speed == - SPEED_100 ? 7 : 0) | - PHY_M_LEDC_STA0_CTRL(sky2->speed == - SPEED_1000 ? 7 : 0)); + gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, led); gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); } @@ -1583,7 +1647,7 @@ static int sky2_autoneg_done(struct sky2_port *sky2, u16 aux) sky2->speed = sky2_phy_speed(hw, aux); /* Pause bits are offset (9..8) */ - if (hw->chip_id == CHIP_ID_YUKON_XL) + if (hw->chip_id == CHIP_ID_YUKON_XL || hw->chip_id == CHIP_ID_YUKON_EC_U) aux >>= 6; sky2->rx_pause = (aux & PHY_M_PS_RX_P_EN) != 0; @@ -1855,39 +1919,38 @@ static inline void sky2_tx_done(struct net_device *dev, u16 last) } } +/* Is status ring empty or is there more to do? */ +static inline int sky2_more_work(const struct sky2_hw *hw) +{ + return (hw->st_idx != sky2_read16(hw, STAT_PUT_IDX)); +} + /* Process status response ring */ static int sky2_status_intr(struct sky2_hw *hw, int to_do) { int work_done = 0; + u16 hwidx = sky2_read16(hw, STAT_PUT_IDX); rmb(); - for(;;) { + while (hw->st_idx != hwidx) { struct sky2_status_le *le = hw->st_le + hw->st_idx; struct net_device *dev; struct sky2_port *sky2; struct sk_buff *skb; u32 status; u16 length; - u8 link, opcode; - opcode = le->opcode; - if (!opcode) - break; - opcode &= ~HW_OWNER; + hw->st_idx = RING_NEXT(hw->st_idx, STATUS_RING_SIZE); - hw->st_idx = (hw->st_idx + 1) % STATUS_RING_SIZE; - le->opcode = 0; - - link = le->link; - BUG_ON(link >= 2); - dev = hw->dev[link]; + BUG_ON(le->link >= 2); + dev = hw->dev[le->link]; sky2 = netdev_priv(dev); length = le->length; status = le->status; - switch (opcode) { + switch (le->opcode & ~HW_OWNER) { case OP_RXSTAT: skb = sky2_receive(sky2, length, status); if (!skb) @@ -1927,7 +1990,8 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do) case OP_TXINDEXLE: /* TX index reports status for both ports */ - sky2_tx_done(hw->dev[0], status & 0xffff); + BUILD_BUG_ON(TX_RING_SIZE > 0x1000); + sky2_tx_done(hw->dev[0], status & 0xfff); if (hw->dev[1]) sky2_tx_done(hw->dev[1], ((status >> 24) & 0xff) @@ -1937,8 +2001,8 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do) default: if (net_ratelimit()) printk(KERN_WARNING PFX - "unknown status opcode 0x%x\n", opcode); - break; + "unknown status opcode 0x%x\n", le->opcode); + goto exit_loop; } } @@ -2089,12 +2153,13 @@ static void sky2_descriptor_error(struct sky2_hw *hw, unsigned port, */ static void sky2_idle(unsigned long arg) { - struct net_device *dev = (struct net_device *) arg; + struct sky2_hw *hw = (struct sky2_hw *) arg; + struct net_device *dev = hw->dev[0]; - local_irq_disable(); if (__netif_rx_schedule_prep(dev)) __netif_rx_schedule(dev); - local_irq_enable(); + + mod_timer(&hw->idle_timer, jiffies + msecs_to_jiffies(idle_timeout)); } @@ -2105,65 +2170,46 @@ static int sky2_poll(struct net_device *dev0, int *budget) int work_done = 0; u32 status = sky2_read32(hw, B0_Y2_SP_EISR); - restart_poll: - if (unlikely(status & ~Y2_IS_STAT_BMU)) { - if (status & Y2_IS_HW_ERR) - sky2_hw_intr(hw); + if (status & Y2_IS_HW_ERR) + sky2_hw_intr(hw); - if (status & Y2_IS_IRQ_PHY1) - sky2_phy_intr(hw, 0); + if (status & Y2_IS_IRQ_PHY1) + sky2_phy_intr(hw, 0); - if (status & Y2_IS_IRQ_PHY2) - sky2_phy_intr(hw, 1); + if (status & Y2_IS_IRQ_PHY2) + sky2_phy_intr(hw, 1); - if (status & Y2_IS_IRQ_MAC1) - sky2_mac_intr(hw, 0); + if (status & Y2_IS_IRQ_MAC1) + sky2_mac_intr(hw, 0); - if (status & Y2_IS_IRQ_MAC2) - sky2_mac_intr(hw, 1); + if (status & Y2_IS_IRQ_MAC2) + sky2_mac_intr(hw, 1); - if (status & Y2_IS_CHK_RX1) - sky2_descriptor_error(hw, 0, "receive", Y2_IS_CHK_RX1); + if (status & Y2_IS_CHK_RX1) + sky2_descriptor_error(hw, 0, "receive", Y2_IS_CHK_RX1); - if (status & Y2_IS_CHK_RX2) - sky2_descriptor_error(hw, 1, "receive", Y2_IS_CHK_RX2); + if (status & Y2_IS_CHK_RX2) + sky2_descriptor_error(hw, 1, "receive", Y2_IS_CHK_RX2); - if (status & Y2_IS_CHK_TXA1) - sky2_descriptor_error(hw, 0, "transmit", Y2_IS_CHK_TXA1); + if (status & Y2_IS_CHK_TXA1) + sky2_descriptor_error(hw, 0, "transmit", Y2_IS_CHK_TXA1); - if (status & Y2_IS_CHK_TXA2) - sky2_descriptor_error(hw, 1, "transmit", Y2_IS_CHK_TXA2); - } - - if (status & Y2_IS_STAT_BMU) { - work_done += sky2_status_intr(hw, work_limit - work_done); - *budget -= work_done; - dev0->quota -= work_done; + if (status & Y2_IS_CHK_TXA2) + sky2_descriptor_error(hw, 1, "transmit", Y2_IS_CHK_TXA2); - if (work_done >= work_limit) - return 1; + work_done = sky2_status_intr(hw, work_limit); + *budget -= work_done; + dev0->quota -= work_done; + if (status & Y2_IS_STAT_BMU) sky2_write32(hw, STAT_CTRL, SC_STAT_CLR_IRQ); - } - - mod_timer(&hw->idle_timer, jiffies + HZ); - local_irq_disable(); - __netif_rx_complete(dev0); + if (sky2_more_work(hw)) + return 1; - status = sky2_read32(hw, B0_Y2_SP_LISR); - - if (unlikely(status)) { - /* More work pending, try and keep going */ - if (__netif_rx_schedule_prep(dev0)) { - __netif_rx_reschedule(dev0, work_done); - status = sky2_read32(hw, B0_Y2_SP_EISR); - local_irq_enable(); - goto restart_poll; - } - } + netif_rx_complete(dev0); - local_irq_enable(); + sky2_read32(hw, B0_Y2_SP_LISR); return 0; } @@ -2244,13 +2290,6 @@ static int __devinit sky2_reset(struct sky2_hw *hw) return -EOPNOTSUPP; } - /* This chip is new and not tested yet */ - if (hw->chip_id == CHIP_ID_YUKON_EC_U) { - pr_info(PFX "%s: is a version of Yukon 2 chipset that has not been tested yet.\n", - pci_name(hw->pdev)); - pr_info("Please report success/failure to maintainer <shemminger@osdl.org>\n"); - } - /* disable ASF */ if (hw->chip_id <= CHIP_ID_YUKON_EC) { sky2_write8(hw, B28_Y2_ASF_STAT_CMD, Y2_ASF_RESET); @@ -3054,12 +3093,7 @@ static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw, sky2->duplex = -1; sky2->speed = -1; sky2->advertising = sky2_supported_modes(hw); - - /* Receive checksum disabled for Yukon XL - * because of observed problems with incorrect - * values when multiple packets are received in one interrupt - */ - sky2->rx_csum = (hw->chip_id != CHIP_ID_YUKON_XL); + sky2->rx_csum = 1; spin_lock_init(&sky2->phy_lock); sky2->tx_pending = TX_DEF_PENDING; @@ -3302,7 +3336,10 @@ static int __devinit sky2_probe(struct pci_dev *pdev, sky2_write32(hw, B0_IMSK, Y2_IS_BASE); - setup_timer(&hw->idle_timer, sky2_idle, (unsigned long) dev); + setup_timer(&hw->idle_timer, sky2_idle, (unsigned long) hw); + if (idle_timeout > 0) + mod_timer(&hw->idle_timer, + jiffies + msecs_to_jiffies(idle_timeout)); pci_set_drvdata(pdev, hw); @@ -3342,6 +3379,8 @@ static void __devexit sky2_remove(struct pci_dev *pdev) del_timer_sync(&hw->idle_timer); sky2_write32(hw, B0_IMSK, 0); + synchronize_irq(hw->pdev->irq); + dev0 = hw->dev[0]; dev1 = hw->dev[1]; if (dev1) diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h index b026f5653f04..8a0bc5525f0a 100644 --- a/drivers/net/sky2.h +++ b/drivers/net/sky2.h @@ -214,6 +214,8 @@ enum csr_regs { enum { Y2_VMAIN_AVAIL = 1<<17,/* VMAIN available (YUKON-2 only) */ Y2_VAUX_AVAIL = 1<<16,/* VAUX available (YUKON-2 only) */ + Y2_HW_WOL_ON = 1<<15,/* HW WOL On (Yukon-EC Ultra A1 only) */ + Y2_HW_WOL_OFF = 1<<14,/* HW WOL On (Yukon-EC Ultra A1 only) */ Y2_ASF_ENABLE = 1<<13,/* ASF Unit Enable (YUKON-2 only) */ Y2_ASF_DISABLE = 1<<12,/* ASF Unit Disable (YUKON-2 only) */ Y2_CLK_RUN_ENA = 1<<11,/* CLK_RUN Enable (YUKON-2 only) */ @@ -378,6 +380,9 @@ enum { CHIP_REV_YU_EC_A1 = 0, /* Chip Rev. for Yukon-EC A1/A0 */ CHIP_REV_YU_EC_A2 = 1, /* Chip Rev. for Yukon-EC A2 */ CHIP_REV_YU_EC_A3 = 2, /* Chip Rev. for Yukon-EC A3 */ + + CHIP_REV_YU_EC_U_A0 = 0, + CHIP_REV_YU_EC_U_A1 = 1, }; /* B2_Y2_CLK_GATE 8 bit Clock Gating (Yukon-2 only) */ diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c index 43f5e86fc559..394339d5e87c 100644 --- a/drivers/net/spider_net.c +++ b/drivers/net/spider_net.c @@ -1652,6 +1652,8 @@ spider_net_enable_card(struct spider_net_card *card) { SPIDER_NET_GFTRESTRT, SPIDER_NET_RESTART_VALUE }, { SPIDER_NET_GMRWOLCTRL, 0 }, + { SPIDER_NET_GTESTMD, 0x10000000 }, + { SPIDER_NET_GTTQMSK, 0x00400040 }, { SPIDER_NET_GTESTMD, 0 }, { SPIDER_NET_GMACINTEN, 0 }, @@ -1792,15 +1794,7 @@ spider_net_setup_phy(struct spider_net_card *card) if (phy->def->ops->setup_forced) phy->def->ops->setup_forced(phy, SPEED_1000, DUPLEX_FULL); - /* the following two writes could be moved to sungem_phy.c */ - /* enable fiber mode */ - spider_net_write_phy(card->netdev, 1, MII_NCONFIG, 0x9020); - /* LEDs active in both modes, autosense prio = fiber */ - spider_net_write_phy(card->netdev, 1, MII_NCONFIG, 0x945f); - - /* switch off fibre autoneg */ - spider_net_write_phy(card->netdev, 1, MII_NCONFIG, 0xfc01); - spider_net_write_phy(card->netdev, 1, 0x0b, 0x0004); + phy->def->ops->enable_fiber(phy); phy->def->ops->read_link(phy); pr_info("Found %s with %i Mbps, %s-duplex.\n", phy->def->name, diff --git a/drivers/net/spider_net.h b/drivers/net/spider_net.h index 5922b529a048..3b8d951cf73c 100644 --- a/drivers/net/spider_net.h +++ b/drivers/net/spider_net.h @@ -120,6 +120,8 @@ extern char spider_net_driver_name[]; #define SPIDER_NET_GMRUAFILnR 0x00000500 #define SPIDER_NET_GMRUA0FIL15R 0x00000578 +#define SPIDER_NET_GTTQMSK 0x00000934 + /* RX DMA controller registers, all 0x00000a.. are for DMA controller A, * 0x00000b.. for DMA controller B, etc. */ #define SPIDER_NET_GDADCHA 0x00000a00 diff --git a/drivers/net/sungem_phy.c b/drivers/net/sungem_phy.c index 046371ee5bbe..b2ddd5e79303 100644 --- a/drivers/net/sungem_phy.c +++ b/drivers/net/sungem_phy.c @@ -329,6 +329,30 @@ static int bcm5421_init(struct mii_phy* phy) return 0; } +static int bcm5421_enable_fiber(struct mii_phy* phy) +{ + /* enable fiber mode */ + phy_write(phy, MII_NCONFIG, 0x9020); + /* LEDs active in both modes, autosense prio = fiber */ + phy_write(phy, MII_NCONFIG, 0x945f); + + /* switch off fibre autoneg */ + phy_write(phy, MII_NCONFIG, 0xfc01); + phy_write(phy, 0x0b, 0x0004); + + return 0; +} + +static int bcm5461_enable_fiber(struct mii_phy* phy) +{ + phy_write(phy, MII_NCONFIG, 0xfc0c); + phy_write(phy, MII_BMCR, 0x4140); + phy_write(phy, MII_NCONFIG, 0xfc0b); + phy_write(phy, MII_BMCR, 0x0140); + + return 0; +} + static int bcm54xx_setup_aneg(struct mii_phy *phy, u32 advertise) { u16 ctl, adv; @@ -762,6 +786,7 @@ static struct mii_phy_ops bcm5421_phy_ops = { .setup_forced = bcm54xx_setup_forced, .poll_link = genmii_poll_link, .read_link = bcm54xx_read_link, + .enable_fiber = bcm5421_enable_fiber, }; static struct mii_phy_def bcm5421_phy_def = { @@ -792,6 +817,25 @@ static struct mii_phy_def bcm5421k2_phy_def = { .ops = &bcm5421k2_phy_ops }; +static struct mii_phy_ops bcm5461_phy_ops = { + .init = bcm5421_init, + .suspend = generic_suspend, + .setup_aneg = bcm54xx_setup_aneg, + .setup_forced = bcm54xx_setup_forced, + .poll_link = genmii_poll_link, + .read_link = bcm54xx_read_link, + .enable_fiber = bcm5461_enable_fiber, +}; + +static struct mii_phy_def bcm5461_phy_def = { + .phy_id = 0x002060c0, + .phy_id_mask = 0xfffffff0, + .name = "BCM5461", + .features = MII_GBIT_FEATURES, + .magic_aneg = 1, + .ops = &bcm5461_phy_ops +}; + /* Broadcom BCM 5462 built-in Vesta */ static struct mii_phy_ops bcm5462V_phy_ops = { .init = bcm5421_init, @@ -857,6 +901,7 @@ static struct mii_phy_def* mii_phy_table[] = { &bcm5411_phy_def, &bcm5421_phy_def, &bcm5421k2_phy_def, + &bcm5461_phy_def, &bcm5462V_phy_def, &marvell_phy_def, &genmii_phy_def, diff --git a/drivers/net/sungem_phy.h b/drivers/net/sungem_phy.h index 430544496c52..69e125197fcf 100644 --- a/drivers/net/sungem_phy.h +++ b/drivers/net/sungem_phy.h @@ -12,6 +12,7 @@ struct mii_phy_ops int (*setup_forced)(struct mii_phy *phy, int speed, int fd); int (*poll_link)(struct mii_phy *phy); int (*read_link)(struct mii_phy *phy); + int (*enable_fiber)(struct mii_phy *phy); }; /* Structure used to statically define an mii/gii based PHY */ diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index beeb612be98f..49ad60b72657 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -69,8 +69,8 @@ #define DRV_MODULE_NAME "tg3" #define PFX DRV_MODULE_NAME ": " -#define DRV_MODULE_VERSION "3.57" -#define DRV_MODULE_RELDATE "Apr 28, 2006" +#define DRV_MODULE_VERSION "3.58" +#define DRV_MODULE_RELDATE "May 22, 2006" #define TG3_DEF_MAC_MODE 0 #define TG3_DEF_RX_MODE 0 @@ -6488,6 +6488,10 @@ static void tg3_periodic_fetch_stats(struct tg3 *tp) TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG); TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS); TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE); + + TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT); + TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT); + TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT); } static void tg3_timer(unsigned long __opaque) @@ -7653,21 +7657,23 @@ static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) cmd->supported |= (SUPPORTED_1000baseT_Half | SUPPORTED_1000baseT_Full); - if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) + if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) { cmd->supported |= (SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | SUPPORTED_MII); - else + cmd->port = PORT_TP; + } else { cmd->supported |= SUPPORTED_FIBRE; + cmd->port = PORT_FIBRE; + } cmd->advertising = tp->link_config.advertising; if (netif_running(dev)) { cmd->speed = tp->link_config.active_speed; cmd->duplex = tp->link_config.active_duplex; } - cmd->port = 0; cmd->phy_address = PHY_ADDR; cmd->transceiver = 0; cmd->autoneg = tp->link_config.autoneg; @@ -8454,6 +8460,9 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode) tx_len = 1514; skb = dev_alloc_skb(tx_len); + if (!skb) + return -ENOMEM; + tx_data = skb_put(skb, tx_len); memcpy(tx_data, tp->dev->dev_addr, 6); memset(tx_data + 6, 0x0, 8); diff --git a/drivers/net/tulip/winbond-840.c b/drivers/net/tulip/winbond-840.c index ba05dedf29d3..136a70c4d5e4 100644 --- a/drivers/net/tulip/winbond-840.c +++ b/drivers/net/tulip/winbond-840.c @@ -850,7 +850,7 @@ static void init_rxtx_rings(struct net_device *dev) break; skb->dev = dev; /* Mark as being used by this device. */ np->rx_addr[i] = pci_map_single(np->pci_dev,skb->data, - skb->len,PCI_DMA_FROMDEVICE); + np->rx_buf_sz,PCI_DMA_FROMDEVICE); np->rx_ring[i].buffer1 = np->rx_addr[i]; np->rx_ring[i].status = DescOwn; @@ -1316,7 +1316,7 @@ static int netdev_rx(struct net_device *dev) skb->dev = dev; /* Mark as being used by this device. */ np->rx_addr[entry] = pci_map_single(np->pci_dev, skb->data, - skb->len, PCI_DMA_FROMDEVICE); + np->rx_buf_sz, PCI_DMA_FROMDEVICE); np->rx_ring[entry].buffer1 = np->rx_addr[entry]; } wmb(); diff --git a/drivers/net/via-rhine.c b/drivers/net/via-rhine.c index a6dc53b4250d..fdc21037f6dc 100644 --- a/drivers/net/via-rhine.c +++ b/drivers/net/via-rhine.c @@ -491,8 +491,6 @@ struct rhine_private { u8 tx_thresh, rx_thresh; struct mii_if_info mii_if; - struct work_struct tx_timeout_task; - struct work_struct check_media_task; void __iomem *base; }; @@ -500,8 +498,6 @@ static int mdio_read(struct net_device *dev, int phy_id, int location); static void mdio_write(struct net_device *dev, int phy_id, int location, int value); static int rhine_open(struct net_device *dev); static void rhine_tx_timeout(struct net_device *dev); -static void rhine_tx_timeout_task(struct net_device *dev); -static void rhine_check_media_task(struct net_device *dev); static int rhine_start_tx(struct sk_buff *skb, struct net_device *dev); static irqreturn_t rhine_interrupt(int irq, void *dev_instance, struct pt_regs *regs); static void rhine_tx(struct net_device *dev); @@ -856,12 +852,6 @@ static int __devinit rhine_init_one(struct pci_dev *pdev, if (rp->quirks & rqRhineI) dev->features |= NETIF_F_SG|NETIF_F_HW_CSUM; - INIT_WORK(&rp->tx_timeout_task, - (void (*)(void *))rhine_tx_timeout_task, dev); - - INIT_WORK(&rp->check_media_task, - (void (*)(void *))rhine_check_media_task, dev); - /* dev->name not defined before register_netdev()! */ rc = register_netdev(dev); if (rc) @@ -1108,11 +1098,6 @@ static void rhine_set_carrier(struct mii_if_info *mii) netif_carrier_ok(mii->dev)); } -static void rhine_check_media_task(struct net_device *dev) -{ - rhine_check_media(dev, 0); -} - static void init_registers(struct net_device *dev) { struct rhine_private *rp = netdev_priv(dev); @@ -1166,8 +1151,8 @@ static void rhine_disable_linkmon(void __iomem *ioaddr, u32 quirks) if (quirks & rqRhineI) { iowrite8(0x01, ioaddr + MIIRegAddr); // MII_BMSR - /* Do not call from ISR! */ - msleep(1); + /* Can be called from ISR. Evil. */ + mdelay(1); /* 0x80 must be set immediately before turning it off */ iowrite8(0x80, ioaddr + MIICmd); @@ -1257,16 +1242,6 @@ static int rhine_open(struct net_device *dev) static void rhine_tx_timeout(struct net_device *dev) { struct rhine_private *rp = netdev_priv(dev); - - /* - * Move bulk of work outside of interrupt context - */ - schedule_work(&rp->tx_timeout_task); -} - -static void rhine_tx_timeout_task(struct net_device *dev) -{ - struct rhine_private *rp = netdev_priv(dev); void __iomem *ioaddr = rp->base; printk(KERN_WARNING "%s: Transmit timed out, status %4.4x, PHY status " @@ -1677,7 +1652,7 @@ static void rhine_error(struct net_device *dev, int intr_status) spin_lock(&rp->lock); if (intr_status & IntrLinkChange) - schedule_work(&rp->check_media_task); + rhine_check_media(dev, 0); if (intr_status & IntrStatsMax) { rp->stats.rx_crc_errors += ioread16(ioaddr + RxCRCErrs); rp->stats.rx_missed_errors += ioread16(ioaddr + RxMissed); @@ -1927,9 +1902,6 @@ static int rhine_close(struct net_device *dev) spin_unlock_irq(&rp->lock); free_irq(rp->pdev->irq, dev); - - flush_scheduled_work(); - free_rbufs(dev); free_tbufs(dev); free_ring(dev); diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.c b/drivers/net/wireless/bcm43xx/bcm43xx_main.c index 9a06e61df0a2..7ed18cad29f7 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_main.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.c @@ -939,9 +939,9 @@ static int bcm43xx_sprom_extract(struct bcm43xx_private *bcm) return 0; } -static void bcm43xx_geo_init(struct bcm43xx_private *bcm) +static int bcm43xx_geo_init(struct bcm43xx_private *bcm) { - struct ieee80211_geo geo; + struct ieee80211_geo *geo; struct ieee80211_channel *chan; int have_a = 0, have_bg = 0; int i; @@ -949,7 +949,10 @@ static void bcm43xx_geo_init(struct bcm43xx_private *bcm) struct bcm43xx_phyinfo *phy; const char *iso_country; - memset(&geo, 0, sizeof(geo)); + geo = kzalloc(sizeof(*geo), GFP_KERNEL); + if (!geo) + return -ENOMEM; + for (i = 0; i < bcm->nr_80211_available; i++) { phy = &(bcm->core_80211_ext[i].phy); switch (phy->type) { @@ -967,31 +970,36 @@ static void bcm43xx_geo_init(struct bcm43xx_private *bcm) iso_country = bcm43xx_locale_iso(bcm->sprom.locale); if (have_a) { - for (i = 0, channel = 0; channel < 201; channel++) { - chan = &geo.a[i++]; + for (i = 0, channel = IEEE80211_52GHZ_MIN_CHANNEL; + channel <= IEEE80211_52GHZ_MAX_CHANNEL; channel++) { + chan = &geo->a[i++]; chan->freq = bcm43xx_channel_to_freq_a(channel); chan->channel = channel; } - geo.a_channels = i; + geo->a_channels = i; } if (have_bg) { - for (i = 0, channel = 1; channel < 15; channel++) { - chan = &geo.bg[i++]; + for (i = 0, channel = IEEE80211_24GHZ_MIN_CHANNEL; + channel <= IEEE80211_24GHZ_MAX_CHANNEL; channel++) { + chan = &geo->bg[i++]; chan->freq = bcm43xx_channel_to_freq_bg(channel); chan->channel = channel; } - geo.bg_channels = i; + geo->bg_channels = i; } - memcpy(geo.name, iso_country, 2); + memcpy(geo->name, iso_country, 2); if (0 /*TODO: Outdoor use only */) - geo.name[2] = 'O'; + geo->name[2] = 'O'; else if (0 /*TODO: Indoor use only */) - geo.name[2] = 'I'; + geo->name[2] = 'I'; else - geo.name[2] = ' '; - geo.name[3] = '\0'; + geo->name[2] = ' '; + geo->name[3] = '\0'; + + ieee80211_set_geo(bcm->ieee, geo); + kfree(geo); - ieee80211_set_geo(bcm->ieee, &geo); + return 0; } /* DummyTransmission function, as documented on @@ -3263,6 +3271,9 @@ static int bcm43xx_init_board(struct bcm43xx_private *bcm) bcm43xx_sysfs_register(bcm); //FIXME: check for bcm43xx_sysfs_register failure. This function is a bit messy regarding unwinding, though... + /*FIXME: This should be handled by softmac instead. */ + schedule_work(&bcm->softmac->associnfo.work); + assert(err == 0); out: return err; @@ -3479,16 +3490,17 @@ static int bcm43xx_attach_board(struct bcm43xx_private *bcm) goto err_80211_unwind; bcm43xx_wireless_core_disable(bcm); } + err = bcm43xx_geo_init(bcm); + if (err) + goto err_80211_unwind; bcm43xx_pctl_set_crystal(bcm, 0); /* Set the MAC address in the networking subsystem */ - if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_A) + if (is_valid_ether_addr(bcm->sprom.et1macaddr)) memcpy(bcm->net_dev->dev_addr, bcm->sprom.et1macaddr, 6); else memcpy(bcm->net_dev->dev_addr, bcm->sprom.il0macaddr, 6); - bcm43xx_geo_init(bcm); - snprintf(bcm->nick, IW_ESSID_MAX_SIZE, "Broadcom %04X", bcm->chip_id); @@ -3937,9 +3949,6 @@ static int bcm43xx_resume(struct pci_dev *pdev) netif_device_attach(net_dev); - /*FIXME: This should be handled by softmac instead. */ - schedule_work(&bcm->softmac->associnfo.work); - dprintk(KERN_INFO PFX "Device resumed.\n"); return 0; diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.h b/drivers/net/wireless/bcm43xx/bcm43xx_main.h index eca79a38594a..30a202b258b5 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_main.h +++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.h @@ -118,12 +118,14 @@ int bcm43xx_channel_to_freq(struct bcm43xx_private *bcm, static inline int bcm43xx_is_valid_channel_a(u8 channel) { - return (channel <= 200); + return (channel >= IEEE80211_52GHZ_MIN_CHANNEL + && channel <= IEEE80211_52GHZ_MAX_CHANNEL); } static inline int bcm43xx_is_valid_channel_bg(u8 channel) { - return (channel >= 1 && channel <= 14); + return (channel >= IEEE80211_24GHZ_MIN_CHANNEL + && channel <= IEEE80211_24GHZ_MAX_CHANNEL); } static inline int bcm43xx_is_valid_channel(struct bcm43xx_private *bcm, diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_phy.c b/drivers/net/wireless/bcm43xx/bcm43xx_phy.c index 33137165727f..b0abac515530 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_phy.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_phy.c @@ -1287,7 +1287,7 @@ static void bcm43xx_phy_initg(struct bcm43xx_private *bcm) if (radio->revision == 8) bcm43xx_phy_write(bcm, 0x0805, 0x3230); bcm43xx_phy_init_pctl(bcm); - if (bcm->chip_id == 0x4306 && bcm->chip_package != 2) { + if (bcm->chip_id == 0x4306 && bcm->chip_package == 2) { bcm43xx_phy_write(bcm, 0x0429, bcm43xx_phy_read(bcm, 0x0429) & 0xBFFF); bcm43xx_phy_write(bcm, 0x04C3, diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_wx.c b/drivers/net/wireless/bcm43xx/bcm43xx_wx.c index 3edbb481a0a0..b45063974ae9 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_wx.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_wx.c @@ -182,8 +182,11 @@ static int bcm43xx_wx_set_mode(struct net_device *net_dev, mode = BCM43xx_INITIAL_IWMODE; bcm43xx_lock_mmio(bcm, flags); - if (bcm->ieee->iw_mode != mode) - bcm43xx_set_iwmode(bcm, mode); + if (bcm->initialized) { + if (bcm->ieee->iw_mode != mode) + bcm43xx_set_iwmode(bcm, mode); + } else + bcm->ieee->iw_mode = mode; bcm43xx_unlock_mmio(bcm, flags); return 0; diff --git a/drivers/net/wireless/orinoco.c b/drivers/net/wireless/orinoco.c index 06523e2a8471..c2d0b09e0418 100644 --- a/drivers/net/wireless/orinoco.c +++ b/drivers/net/wireless/orinoco.c @@ -812,7 +812,6 @@ static void orinoco_rx_monitor(struct net_device *dev, u16 rxfid, if (datalen > IEEE80211_DATA_LEN + 12) { printk(KERN_DEBUG "%s: oversized monitor frame, " "data length = %d\n", dev->name, datalen); - err = -EIO; stats->rx_length_errors++; goto update_stats; } @@ -821,8 +820,7 @@ static void orinoco_rx_monitor(struct net_device *dev, u16 rxfid, if (!skb) { printk(KERN_WARNING "%s: Cannot allocate skb for monitor frame\n", dev->name); - err = -ENOMEM; - goto drop; + goto update_stats; } /* Copy the 802.11 header to the skb */ diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index 6917c6cb0912..c2ecae5ff0c1 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -33,13 +33,10 @@ acpi_query_osc ( acpi_status status; struct acpi_object_list input; union acpi_object in_params[4]; - struct acpi_buffer output; - union acpi_object out_obj; + struct acpi_buffer output = {ACPI_ALLOCATE_BUFFER, NULL}; + union acpi_object *out_obj; u32 osc_dw0; - /* Setting up output buffer */ - output.length = sizeof(out_obj) + 3*sizeof(u32); - output.pointer = &out_obj; /* Setting up input parameters */ input.count = 4; @@ -61,12 +58,15 @@ acpi_query_osc ( "Evaluate _OSC Set fails. Status = 0x%04x\n", status); return status; } - if (out_obj.type != ACPI_TYPE_BUFFER) { + out_obj = output.pointer; + + if (out_obj->type != ACPI_TYPE_BUFFER) { printk(KERN_DEBUG "Evaluate _OSC returns wrong type\n"); - return AE_TYPE; + status = AE_TYPE; + goto query_osc_out; } - osc_dw0 = *((u32 *) out_obj.buffer.pointer); + osc_dw0 = *((u32 *) out_obj->buffer.pointer); if (osc_dw0) { if (osc_dw0 & OSC_REQUEST_ERROR) printk(KERN_DEBUG "_OSC request fails\n"); @@ -76,15 +76,21 @@ acpi_query_osc ( printk(KERN_DEBUG "_OSC invalid revision\n"); if (osc_dw0 & OSC_CAPABILITIES_MASK_ERROR) { /* Update Global Control Set */ - global_ctrlsets = *((u32 *)(out_obj.buffer.pointer+8)); - return AE_OK; + global_ctrlsets = *((u32 *)(out_obj->buffer.pointer+8)); + status = AE_OK; + goto query_osc_out; } - return AE_ERROR; + status = AE_ERROR; + goto query_osc_out; } /* Update Global Control Set */ - global_ctrlsets = *((u32 *)(out_obj.buffer.pointer + 8)); - return AE_OK; + global_ctrlsets = *((u32 *)(out_obj->buffer.pointer + 8)); + status = AE_OK; + +query_osc_out: + kfree(output.pointer); + return status; } @@ -96,14 +102,10 @@ acpi_run_osc ( acpi_status status; struct acpi_object_list input; union acpi_object in_params[4]; - struct acpi_buffer output; - union acpi_object out_obj; + struct acpi_buffer output = {ACPI_ALLOCATE_BUFFER, NULL}; + union acpi_object *out_obj; u32 osc_dw0; - /* Setting up output buffer */ - output.length = sizeof(out_obj) + 3*sizeof(u32); - output.pointer = &out_obj; - /* Setting up input parameters */ input.count = 4; input.pointer = in_params; @@ -124,12 +126,14 @@ acpi_run_osc ( "Evaluate _OSC Set fails. Status = 0x%04x\n", status); return status; } - if (out_obj.type != ACPI_TYPE_BUFFER) { + out_obj = output.pointer; + if (out_obj->type != ACPI_TYPE_BUFFER) { printk(KERN_DEBUG "Evaluate _OSC returns wrong type\n"); - return AE_TYPE; + status = AE_TYPE; + goto run_osc_out; } - osc_dw0 = *((u32 *) out_obj.buffer.pointer); + osc_dw0 = *((u32 *) out_obj->buffer.pointer); if (osc_dw0) { if (osc_dw0 & OSC_REQUEST_ERROR) printk(KERN_DEBUG "_OSC request fails\n"); @@ -139,11 +143,17 @@ acpi_run_osc ( printk(KERN_DEBUG "_OSC invalid revision\n"); if (osc_dw0 & OSC_CAPABILITIES_MASK_ERROR) { printk(KERN_DEBUG "_OSC FW not grant req. control\n"); - return AE_SUPPORT; + status = AE_SUPPORT; + goto run_osc_out; } - return AE_ERROR; + status = AE_ERROR; + goto run_osc_out; } - return AE_OK; + status = AE_OK; + +run_osc_out: + kfree(output.pointer); + return status; } /** diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 19e2b174d33c..d378478612fb 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -634,6 +634,9 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_4, quirk_vi * non-x86 architectures (yes Via exists on PPC among other places), * we must mask the PCI_INTERRUPT_LINE value versus 0xf to get * interrupts delivered properly. + * + * Some of the on-chip devices are actually '586 devices' so they are + * listed here. */ static void quirk_via_irq(struct pci_dev *dev) { @@ -648,6 +651,10 @@ static void quirk_via_irq(struct pci_dev *dev) pci_write_config_byte(dev, PCI_INTERRUPT_LINE, new_irq); } } +DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_0, quirk_via_irq); +DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_1, quirk_via_irq); +DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_2, quirk_via_irq); +DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_3, quirk_via_irq); DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686, quirk_via_irq); DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_4, quirk_via_irq); DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_5, quirk_via_irq); @@ -895,6 +902,7 @@ static void __init k8t_sound_hostbridge(struct pci_dev *dev) } DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237, k8t_sound_hostbridge); +#ifndef CONFIG_ACPI_SLEEP /* * On ASUS P4B boards, the SMBus PCI Device within the ICH2/4 southbridge * is not activated. The myth is that Asus said that they do not want the @@ -906,8 +914,12 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237, k8t_sound_ho * bridge. Unfortunately, this device has no subvendor/subdevice ID. So it * becomes necessary to do this tweak in two steps -- I've chosen the Host * bridge as trigger. + * + * Actually, leaving it unhidden and not redoing the quirk over suspend2ram + * will cause thermal management to break down, and causing machine to + * overheat. */ -static int __initdata asus_hides_smbus = 0; +static int __initdata asus_hides_smbus; static void __init asus_hides_smbus_hostbridge(struct pci_dev *dev) { @@ -1050,6 +1062,8 @@ static void __init asus_hides_smbus_lpc_ich6(struct pci_dev *dev) } DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_1, asus_hides_smbus_lpc_ich6 ); +#endif + /* * SiS 96x south bridge: BIOS typically hides SMBus device... */ diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c index c53db7ceda5e..738b1ef595a3 100644 --- a/drivers/pcmcia/pcmcia_ioctl.c +++ b/drivers/pcmcia/pcmcia_ioctl.c @@ -426,7 +426,7 @@ static int ds_open(struct inode *inode, struct file *file) if (!warning_printed) { printk(KERN_INFO "pcmcia: Detected deprecated PCMCIA ioctl " - "usage.\n"); + "usage from process: %s.\n", current->comm); printk(KERN_INFO "pcmcia: This interface will soon be removed from " "the kernel; please expect breakage unless you upgrade " "to new tools.\n"); @@ -601,8 +601,12 @@ static int ds_ioctl(struct inode * inode, struct file * file, ret = CS_BAD_ARGS; else { struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->config.Function); - ret = pccard_get_configuration_info(s, p_dev, &buf->config); - pcmcia_put_dev(p_dev); + if (p_dev == NULL) + ret = CS_BAD_ARGS; + else { + ret = pccard_get_configuration_info(s, p_dev, &buf->config); + pcmcia_put_dev(p_dev); + } } break; case DS_GET_FIRST_TUPLE: @@ -632,8 +636,12 @@ static int ds_ioctl(struct inode * inode, struct file * file, ret = CS_BAD_ARGS; else { struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->status.Function); - ret = pccard_get_status(s, p_dev, &buf->status); - pcmcia_put_dev(p_dev); + if (p_dev == NULL) + ret = CS_BAD_ARGS; + else { + ret = pccard_get_status(s, p_dev, &buf->status); + pcmcia_put_dev(p_dev); + } } break; case DS_VALIDATE_CIS: @@ -665,9 +673,10 @@ static int ds_ioctl(struct inode * inode, struct file * file, if (!(buf->conf_reg.Function && (buf->conf_reg.Function >= s->functions))) { struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->conf_reg.Function); - if (p_dev) + if (p_dev) { ret = pcmcia_access_configuration_register(p_dev, &buf->conf_reg); - pcmcia_put_dev(p_dev); + pcmcia_put_dev(p_dev); + } } break; case DS_GET_FIRST_REGION: diff --git a/drivers/pcmcia/pd6729.c b/drivers/pcmcia/pd6729.c index 16d1ea7b0a18..247ab837f841 100644 --- a/drivers/pcmcia/pd6729.c +++ b/drivers/pcmcia/pd6729.c @@ -589,7 +589,7 @@ static int pd6729_check_irq(int irq, int flags) return 0; } -static u_int __init pd6729_isa_scan(void) +static u_int __devinit pd6729_isa_scan(void) { u_int mask0, mask = 0; int i; diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c index 6c9ad92747fd..2011567005f9 100644 --- a/drivers/rtc/rtc-dev.c +++ b/drivers/rtc/rtc-dev.c @@ -141,13 +141,13 @@ static int rtc_dev_ioctl(struct inode *inode, struct file *file, /* try the driver's ioctl interface */ if (ops->ioctl) { err = ops->ioctl(class_dev->dev, cmd, arg); - if (err != -EINVAL) + if (err != -ENOIOCTLCMD) return err; } /* if the driver does not provide the ioctl interface * or if that particular ioctl was not implemented - * (-EINVAL), we will try to emulate here. + * (-ENOIOCTLCMD), we will try to emulate here. */ switch (cmd) { @@ -233,7 +233,7 @@ static int rtc_dev_ioctl(struct inode *inode, struct file *file, break; default: - err = -EINVAL; + err = -ENOTTY; break; } diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c index a23ec54989f6..a997529f8926 100644 --- a/drivers/rtc/rtc-sa1100.c +++ b/drivers/rtc/rtc-sa1100.c @@ -178,9 +178,9 @@ static int sa1100_rtc_open(struct device *dev) return 0; fail_pi: - free_irq(IRQ_RTCAlrm, NULL); + free_irq(IRQ_RTCAlrm, dev); fail_ai: - free_irq(IRQ_RTC1Hz, NULL); + free_irq(IRQ_RTC1Hz, dev); fail_ui: return ret; } @@ -247,7 +247,7 @@ static int sa1100_rtc_ioctl(struct device *dev, unsigned int cmd, rtc_freq = arg; return 0; } - return -EINVAL; + return -ENOIOCTLCMD; } static int sa1100_rtc_read_time(struct device *dev, struct rtc_time *tm) @@ -295,7 +295,7 @@ static int sa1100_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) static int sa1100_rtc_proc(struct device *dev, struct seq_file *seq) { - seq_printf(seq, "trim/divider\t: 0x%08x\n", RTTR); + seq_printf(seq, "trim/divider\t: 0x%08lx\n", RTTR); seq_printf(seq, "alarm_IRQ\t: %s\n", (RTSR & RTSR_ALE) ? "yes" : "no" ); seq_printf(seq, "update_IRQ\t: %s\n", diff --git a/drivers/rtc/rtc-test.c b/drivers/rtc/rtc-test.c index e1f7e8e86daf..e1fa5fe7901f 100644 --- a/drivers/rtc/rtc-test.c +++ b/drivers/rtc/rtc-test.c @@ -71,7 +71,7 @@ static int test_rtc_ioctl(struct device *dev, unsigned int cmd, return 0; default: - return -EINVAL; + return -ENOIOCTLCMD; } } diff --git a/drivers/rtc/rtc-vr41xx.c b/drivers/rtc/rtc-vr41xx.c index 4d49fd501198..277596c302e3 100644 --- a/drivers/rtc/rtc-vr41xx.c +++ b/drivers/rtc/rtc-vr41xx.c @@ -270,7 +270,7 @@ static int vr41xx_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long epoch = arg; break; default: - return -EINVAL; + return -ENOIOCTLCMD; } return 0; diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c index 5d6b7a57b02f..e65da921a827 100644 --- a/drivers/s390/net/lcs.c +++ b/drivers/s390/net/lcs.c @@ -1348,7 +1348,7 @@ lcs_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) index = (struct ccw1 *) __va((addr_t) irb->scsw.cpa) - channel->ccws; if ((irb->scsw.actl & SCSW_ACTL_SUSPENDED) || - (irb->scsw.cstat | SCHN_STAT_PCI)) + (irb->scsw.cstat & SCHN_STAT_PCI)) /* Bloody io subsystem tells us lies about cpa... */ index = (index - 1) & (LCS_NUM_BUFFS - 1); while (channel->io_idx != index) { diff --git a/drivers/sbus/char/openprom.c b/drivers/sbus/char/openprom.c index 383a95f34a0d..239e108b8ed1 100644 --- a/drivers/sbus/char/openprom.c +++ b/drivers/sbus/char/openprom.c @@ -392,13 +392,16 @@ static int openprom_bsd_ioctl(struct inode * inode, struct file * file, return -ENOMEM; } - prom_getproperty(op.op_nodeid, str, tmp, len); - - tmp[len] = '\0'; + cnt = prom_getproperty(op.op_nodeid, str, tmp, len); + if (cnt <= 0) { + error = -EINVAL; + } else { + tmp[len] = '\0'; - if (__copy_to_user(argp, &op, sizeof(op)) != 0 - || copy_to_user(op.op_buf, tmp, len) != 0) - error = -EFAULT; + if (__copy_to_user(argp, &op, sizeof(op)) != 0 || + copy_to_user(op.op_buf, tmp, len) != 0) + error = -EFAULT; + } kfree(tmp); kfree(str); diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c index cb30d9c1153d..0c9c2f400bf6 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c +++ b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c @@ -219,6 +219,7 @@ ahc_linux_pci_dev_probe(struct pci_dev *pdev, const struct pci_device_id *ent) ahc->flags |= AHC_39BIT_ADDRESSING; } else { if (dma_set_mask(dev, DMA_32BIT_MASK)) { + ahc_free(ahc); printk(KERN_WARNING "aic7xxx: No suitable DMA available.\n"); return (-ENODEV); } diff --git a/drivers/scsi/aic7xxx/aic7xxx_pci.c b/drivers/scsi/aic7xxx/aic7xxx_pci.c index 5f586140e057..3adecef21783 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_pci.c +++ b/drivers/scsi/aic7xxx/aic7xxx_pci.c @@ -2036,12 +2036,12 @@ ahc_pci_resume(struct ahc_softc *ahc) * that the OS doesn't know about and rely on our chip * reset handler to handle the rest. */ - ahc_pci_write_config(ahc->dev_softc, DEVCONFIG, /*bytes*/4, - ahc->bus_softc.pci_softc.devconfig); - ahc_pci_write_config(ahc->dev_softc, PCIR_COMMAND, /*bytes*/1, - ahc->bus_softc.pci_softc.command); - ahc_pci_write_config(ahc->dev_softc, CSIZE_LATTIME, /*bytes*/1, - ahc->bus_softc.pci_softc.csize_lattime); + ahc_pci_write_config(ahc->dev_softc, DEVCONFIG, + ahc->bus_softc.pci_softc.devconfig, /*bytes*/4); + ahc_pci_write_config(ahc->dev_softc, PCIR_COMMAND, + ahc->bus_softc.pci_softc.command, /*bytes*/1); + ahc_pci_write_config(ahc->dev_softc, CSIZE_LATTIME, + ahc->bus_softc.pci_softc.csize_lattime, /*bytes*/1); if ((ahc->flags & AHC_HAS_TERM_LOGIC) != 0) { struct seeprom_descriptor sd; u_int sxfrctl1; diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c index 0a8ad37ae899..2e9be83a697f 100644 --- a/drivers/scsi/ibmvscsi/ibmvscsi.c +++ b/drivers/scsi/ibmvscsi/ibmvscsi.c @@ -739,7 +739,8 @@ static void send_mad_adapter_info(struct ibmvscsi_host_data *hostdata) { struct viosrp_adapter_info *req; struct srp_event_struct *evt_struct; - + dma_addr_t addr; + evt_struct = get_event_struct(&hostdata->pool); if (!evt_struct) { printk(KERN_ERR "ibmvscsi: couldn't allocate an event " @@ -757,10 +758,10 @@ static void send_mad_adapter_info(struct ibmvscsi_host_data *hostdata) req->common.type = VIOSRP_ADAPTER_INFO_TYPE; req->common.length = sizeof(hostdata->madapter_info); - req->buffer = dma_map_single(hostdata->dev, - &hostdata->madapter_info, - sizeof(hostdata->madapter_info), - DMA_BIDIRECTIONAL); + req->buffer = addr = dma_map_single(hostdata->dev, + &hostdata->madapter_info, + sizeof(hostdata->madapter_info), + DMA_BIDIRECTIONAL); if (dma_mapping_error(req->buffer)) { printk(KERN_ERR @@ -770,8 +771,13 @@ static void send_mad_adapter_info(struct ibmvscsi_host_data *hostdata) return; } - if (ibmvscsi_send_srp_event(evt_struct, hostdata)) + if (ibmvscsi_send_srp_event(evt_struct, hostdata)) { printk(KERN_ERR "ibmvscsi: couldn't send ADAPTER_INFO_REQ!\n"); + dma_unmap_single(hostdata->dev, + addr, + sizeof(hostdata->madapter_info), + DMA_BIDIRECTIONAL); + } }; /** @@ -1259,6 +1265,7 @@ static int ibmvscsi_do_host_config(struct ibmvscsi_host_data *hostdata, { struct viosrp_host_config *host_config; struct srp_event_struct *evt_struct; + dma_addr_t addr; int rc; evt_struct = get_event_struct(&hostdata->pool); @@ -1279,8 +1286,9 @@ static int ibmvscsi_do_host_config(struct ibmvscsi_host_data *hostdata, memset(host_config, 0x00, sizeof(*host_config)); host_config->common.type = VIOSRP_HOST_CONFIG_TYPE; host_config->common.length = length; - host_config->buffer = dma_map_single(hostdata->dev, buffer, length, - DMA_BIDIRECTIONAL); + host_config->buffer = addr = dma_map_single(hostdata->dev, buffer, + length, + DMA_BIDIRECTIONAL); if (dma_mapping_error(host_config->buffer)) { printk(KERN_ERR @@ -1291,11 +1299,9 @@ static int ibmvscsi_do_host_config(struct ibmvscsi_host_data *hostdata, init_completion(&evt_struct->comp); rc = ibmvscsi_send_srp_event(evt_struct, hostdata); - if (rc == 0) { + if (rc == 0) wait_for_completion(&evt_struct->comp); - dma_unmap_single(hostdata->dev, host_config->buffer, - length, DMA_BIDIRECTIONAL); - } + dma_unmap_single(hostdata->dev, addr, length, DMA_BIDIRECTIONAL); return rc; } diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index bd147207f25d..823dfa78c0ba 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -864,6 +864,9 @@ static unsigned int ata_id_xfermask(const u16 *id) /** * ata_port_queue_task - Queue port_task * @ap: The ata_port to queue port_task for + * @fn: workqueue function to be scheduled + * @data: data value to pass to workqueue function + * @delay: delay time for workqueue function * * Schedule @fn(@data) for execution after @delay jiffies using * port_task. There is one port_task per port and it's the @@ -2739,6 +2742,8 @@ static unsigned int ata_dev_set_xfermode(struct ata_port *ap, * ata_dev_init_params - Issue INIT DEV PARAMS command * @ap: Port associated with device @dev * @dev: Device to which command will be sent + * @heads: Number of heads (taskfile parameter) + * @sectors: Number of sectors (taskfile parameter) * * LOCKING: * Kernel thread context (may sleep) @@ -4302,6 +4307,7 @@ int ata_device_resume(struct ata_port *ap, struct ata_device *dev) * ata_device_suspend - prepare a device for suspend * @ap: port the device is connected to * @dev: the device to suspend + * @state: target power management state * * Flush the cache on the drive, if appropriate, then issue a * standbynow command. diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index fad607b2e6f4..ee22173fce43 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -27,7 +27,6 @@ void lpfc_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *); int lpfc_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *); void lpfc_read_config(struct lpfc_hba *, LPFC_MBOXQ_t *); void lpfc_read_lnk_stat(struct lpfc_hba *, LPFC_MBOXQ_t *); -void lpfc_set_slim(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t); int lpfc_reg_login(struct lpfc_hba *, uint32_t, uint8_t *, LPFC_MBOXQ_t *, uint32_t); void lpfc_unreg_login(struct lpfc_hba *, uint32_t, LPFC_MBOXQ_t *); diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h index 8932b1be2b60..41cf5d3ea6ce 100644 --- a/drivers/scsi/lpfc/lpfc_disc.h +++ b/drivers/scsi/lpfc/lpfc_disc.h @@ -113,6 +113,7 @@ struct lpfc_nodelist { #define NLP_NPR_ADISC 0x2000000 /* Issue ADISC when dq'ed from NPR list */ #define NLP_DELAY_REMOVE 0x4000000 /* Defer removal till end of DSM */ +#define NLP_NODEV_REMOVE 0x8000000 /* Defer removal till discovery ends */ /* Defines for list searchs */ #define NLP_SEARCH_MAPPED 0x1 /* search mapped */ diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 4813beaaca8f..283b7d824c34 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -302,10 +302,6 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, if (lpfc_reg_login(phba, Fabric_DID, (uint8_t *) sp, mbox, 0)) goto fail_free_mbox; - /* - * set_slim mailbox command needs to execute first, - * queue this command to be processed later. - */ mbox->mbox_cmpl = lpfc_mbx_cmpl_fabric_reg_login; mbox->context2 = ndlp; @@ -781,25 +777,26 @@ lpfc_cmpl_els_plogi(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, if (disc && phba->num_disc_nodes) { /* Check to see if there are more PLOGIs to be sent */ lpfc_more_plogi(phba); - } - if (phba->num_disc_nodes == 0) { - spin_lock_irq(phba->host->host_lock); - phba->fc_flag &= ~FC_NDISC_ACTIVE; - spin_unlock_irq(phba->host->host_lock); + if (phba->num_disc_nodes == 0) { + spin_lock_irq(phba->host->host_lock); + phba->fc_flag &= ~FC_NDISC_ACTIVE; + spin_unlock_irq(phba->host->host_lock); - lpfc_can_disctmo(phba); - if (phba->fc_flag & FC_RSCN_MODE) { - /* Check to see if more RSCNs came in while we were - * processing this one. - */ - if ((phba->fc_rscn_id_cnt == 0) && - (!(phba->fc_flag & FC_RSCN_DISCOVERY))) { - spin_lock_irq(phba->host->host_lock); - phba->fc_flag &= ~FC_RSCN_MODE; - spin_unlock_irq(phba->host->host_lock); - } else { - lpfc_els_handle_rscn(phba); + lpfc_can_disctmo(phba); + if (phba->fc_flag & FC_RSCN_MODE) { + /* + * Check to see if more RSCNs came in while + * we were processing this one. + */ + if ((phba->fc_rscn_id_cnt == 0) && + (!(phba->fc_flag & FC_RSCN_DISCOVERY))) { + spin_lock_irq(phba->host->host_lock); + phba->fc_flag &= ~FC_RSCN_MODE; + spin_unlock_irq(phba->host->host_lock); + } else { + lpfc_els_handle_rscn(phba); + } } } } @@ -1263,7 +1260,7 @@ lpfc_issue_els_logo(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, psli = &phba->sli; pring = &psli->ring[LPFC_ELS_RING]; - cmdsize = 2 * (sizeof (uint32_t) + sizeof (struct lpfc_name)); + cmdsize = (2 * sizeof (uint32_t)) + sizeof (struct lpfc_name); elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, ndlp, ndlp->nlp_DID, ELS_CMD_LOGO); if (!elsiocb) @@ -1451,22 +1448,23 @@ lpfc_cancel_retry_delay_tmo(struct lpfc_hba *phba, struct lpfc_nodelist * nlp) * PLOGIs to be sent */ lpfc_more_plogi(phba); - } - if (phba->num_disc_nodes == 0) { - phba->fc_flag &= ~FC_NDISC_ACTIVE; - lpfc_can_disctmo(phba); - if (phba->fc_flag & FC_RSCN_MODE) { - /* Check to see if more RSCNs - * came in while we were - * processing this one. - */ - if((phba->fc_rscn_id_cnt==0) && - (!(phba->fc_flag & FC_RSCN_DISCOVERY))) { - phba->fc_flag &= ~FC_RSCN_MODE; - } - else { - lpfc_els_handle_rscn(phba); + if (phba->num_disc_nodes == 0) { + phba->fc_flag &= ~FC_NDISC_ACTIVE; + lpfc_can_disctmo(phba); + if (phba->fc_flag & FC_RSCN_MODE) { + /* + * Check to see if more RSCNs + * came in while we were + * processing this one. + */ + if((phba->fc_rscn_id_cnt==0) && + !(phba->fc_flag & FC_RSCN_DISCOVERY)) { + phba->fc_flag &= ~FC_RSCN_MODE; + } + else { + lpfc_els_handle_rscn(phba); + } } } } @@ -1872,9 +1870,6 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, if (mbox) { if ((rspiocb->iocb.ulpStatus == 0) && (ndlp->nlp_flag & NLP_ACC_REGLOGIN)) { - /* set_slim mailbox command needs to execute first, - * queue this command to be processed later. - */ lpfc_unreg_rpi(phba, ndlp); mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; mbox->context2 = ndlp; @@ -1920,6 +1915,7 @@ lpfc_els_rsp_acc(struct lpfc_hba * phba, uint32_t flag, uint8_t *pcmd; uint16_t cmdsize; int rc; + ELS_PKT *els_pkt_ptr; psli = &phba->sli; pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ @@ -1958,6 +1954,23 @@ lpfc_els_rsp_acc(struct lpfc_hba * phba, uint32_t flag, pcmd += sizeof (uint32_t); memcpy(pcmd, &phba->fc_sparam, sizeof (struct serv_parm)); break; + case ELS_CMD_PRLO: + cmdsize = sizeof (uint32_t) + sizeof (PRLO); + elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, + ndlp, ndlp->nlp_DID, ELS_CMD_PRLO); + if (!elsiocb) + return 1; + + icmd = &elsiocb->iocb; + icmd->ulpContext = oldcmd->ulpContext; /* Xri */ + pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); + + memcpy(pcmd, ((struct lpfc_dmabuf *) oldiocb->context2)->virt, + sizeof (uint32_t) + sizeof (PRLO)); + *((uint32_t *) (pcmd)) = ELS_CMD_PRLO_ACC; + els_pkt_ptr = (ELS_PKT *) pcmd; + els_pkt_ptr->un.prlo.acceptRspCode = PRLO_REQ_EXECUTED; + break; default: return 1; } @@ -2498,7 +2511,7 @@ lpfc_els_rcv_rscn(struct lpfc_hba * phba, /* If we are about to begin discovery, just ACC the RSCN. * Discovery processing will satisfy it. */ - if (phba->hba_state < LPFC_NS_QRY) { + if (phba->hba_state <= LPFC_NS_QRY) { lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, newnode); return 0; diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 6721e679df62..adb086009ae0 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -311,8 +311,8 @@ lpfc_workq_post_event(struct lpfc_hba * phba, void *arg1, void *arg2, evtp->evt_arg2 = arg2; evtp->evt = evt; - list_add_tail(&evtp->evt_listp, &phba->work_list); spin_lock_irq(phba->host->host_lock); + list_add_tail(&evtp->evt_listp, &phba->work_list); if (phba->work_wait) wake_up(phba->work_wait); spin_unlock_irq(phba->host->host_lock); @@ -1071,10 +1071,6 @@ lpfc_register_remote_port(struct lpfc_hba * phba, /* initialize static port data */ rport->maxframe_size = ndlp->nlp_maxframe; rport->supported_classes = ndlp->nlp_class_sup; - if ((rport->scsi_target_id != -1) && - (rport->scsi_target_id < MAX_FCP_TARGET)) { - ndlp->nlp_sid = rport->scsi_target_id; - } rdata = rport->dd_data; rdata->pnode = ndlp; @@ -1087,6 +1083,10 @@ lpfc_register_remote_port(struct lpfc_hba * phba, if (rport_ids.roles != FC_RPORT_ROLE_UNKNOWN) fc_remote_port_rolechg(rport, rport_ids.roles); + if ((rport->scsi_target_id != -1) && + (rport->scsi_target_id < MAX_FCP_TARGET)) { + ndlp->nlp_sid = rport->scsi_target_id; + } return; } @@ -1238,6 +1238,7 @@ lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list) evt_listp); } + nlp->nlp_flag &= ~NLP_NODEV_REMOVE; nlp->nlp_type |= NLP_FC_NODE; break; case NLP_MAPPED_LIST: @@ -1258,6 +1259,7 @@ lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list) evt_listp); } + nlp->nlp_flag &= ~NLP_NODEV_REMOVE; break; case NLP_NPR_LIST: nlp->nlp_flag |= list; @@ -1402,6 +1404,8 @@ lpfc_check_sli_ndlp(struct lpfc_hba * phba, if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) return 1; case CMD_ELS_REQUEST64_CR: + if (icmd->un.elsreq64.remoteID == ndlp->nlp_DID) + return 1; case CMD_XMIT_ELS_RSP64_CX: if (iocb->context1 == (uint8_t *) ndlp) return 1; @@ -1901,10 +1905,8 @@ lpfc_setup_disc_node(struct lpfc_hba * phba, uint32_t did) */ if (ndlp->nlp_flag & NLP_DELAY_TMO) lpfc_cancel_retry_delay_tmo(phba, ndlp); - } else { - ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + } else ndlp = NULL; - } } else { flg = ndlp->nlp_flag & NLP_LIST_MASK; if ((flg == NLP_ADISC_LIST) || (flg == NLP_PLOGI_LIST)) diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h index 54d04188f7cc..eedf98801366 100644 --- a/drivers/scsi/lpfc/lpfc_hw.h +++ b/drivers/scsi/lpfc/lpfc_hw.h @@ -449,6 +449,7 @@ struct serv_parm { /* Structure is in Big Endian format */ #define ELS_CMD_RRQ 0x12000000 #define ELS_CMD_PRLI 0x20100014 #define ELS_CMD_PRLO 0x21100014 +#define ELS_CMD_PRLO_ACC 0x02100014 #define ELS_CMD_PDISC 0x50000000 #define ELS_CMD_FDISC 0x51000000 #define ELS_CMD_ADISC 0x52000000 @@ -484,6 +485,7 @@ struct serv_parm { /* Structure is in Big Endian format */ #define ELS_CMD_RRQ 0x12 #define ELS_CMD_PRLI 0x14001020 #define ELS_CMD_PRLO 0x14001021 +#define ELS_CMD_PRLO_ACC 0x14001002 #define ELS_CMD_PDISC 0x50 #define ELS_CMD_FDISC 0x51 #define ELS_CMD_ADISC 0x52 @@ -1539,6 +1541,7 @@ typedef struct { #define FLAGS_TOPOLOGY_FAILOVER 0x0400 /* Bit 10 */ #define FLAGS_LINK_SPEED 0x0800 /* Bit 11 */ +#define FLAGS_IMED_ABORT 0x04000 /* Bit 14 */ uint32_t link_speed; #define LINK_SPEED_AUTO 0 /* Auto selection */ diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 66d5d003555d..908d0f27706f 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -294,15 +294,6 @@ lpfc_config_port_post(struct lpfc_hba * phba) } } - /* This should turn on DELAYED ABTS for ELS timeouts */ - lpfc_set_slim(phba, pmb, 0x052198, 0x1); - if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { - phba->hba_state = LPFC_HBA_ERROR; - mempool_free( pmb, phba->mbox_mem_pool); - return -EIO; - } - - lpfc_read_config(phba, pmb); if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { lpfc_printf_log(phba, @@ -804,7 +795,7 @@ lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp) int max_speed; char * ports; char * bus; - } m; + } m = {"<Unknown>", 0, "", ""}; pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype); ports = (hdrtype == 0x80) ? "2-port " : ""; @@ -1627,7 +1618,7 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) error = lpfc_alloc_sysfs_attr(phba); if (error) - goto out_kthread_stop; + goto out_remove_host; error = request_irq(phba->pcidev->irq, lpfc_intr_handler, SA_SHIRQ, LPFC_DRIVER_NAME, phba); @@ -1644,8 +1635,10 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET; error = lpfc_sli_hba_setup(phba); - if (error) + if (error) { + error = -ENODEV; goto out_free_irq; + } if (phba->cfg_poll & DISABLE_FCP_RING_INT) { spin_lock_irq(phba->host->host_lock); @@ -1700,6 +1693,9 @@ out_free_irq: free_irq(phba->pcidev->irq, phba); out_free_sysfs_attr: lpfc_free_sysfs_attr(phba); +out_remove_host: + fc_remove_host(phba->host); + scsi_remove_host(phba->host); out_kthread_stop: kthread_stop(phba->worker_thread); out_free_iocbq: @@ -1721,12 +1717,14 @@ out_iounmap_slim: out_idr_remove: idr_remove(&lpfc_hba_index, phba->brd_no); out_put_host: + phba->host = NULL; scsi_host_put(host); out_release_regions: pci_release_regions(pdev); out_disable_device: pci_disable_device(pdev); out: + pci_set_drvdata(pdev, NULL); return error; } diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c index c585e2b2e589..e42f22aaf71b 100644 --- a/drivers/scsi/lpfc/lpfc_mbox.c +++ b/drivers/scsi/lpfc/lpfc_mbox.c @@ -200,6 +200,9 @@ lpfc_init_link(struct lpfc_hba * phba, break; } + /* Enable asynchronous ABTS responses from firmware */ + mb->un.varInitLnk.link_flags |= FLAGS_IMED_ABORT; + /* NEW_FEATURE * Setting up the link speed */ @@ -292,36 +295,6 @@ lpfc_unreg_did(struct lpfc_hba * phba, uint32_t did, LPFC_MBOXQ_t * pmb) return; } -/***********************************************/ - -/* command to write slim */ -/***********************************************/ -void -lpfc_set_slim(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint32_t addr, - uint32_t value) -{ - MAILBOX_t *mb; - - mb = &pmb->mb; - memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); - - /* addr = 0x090597 is AUTO ABTS disable for ELS commands */ - /* addr = 0x052198 is DELAYED ABTS enable for ELS commands */ - - /* - * Always turn on DELAYED ABTS for ELS timeouts - */ - if ((addr == 0x052198) && (value == 0)) - value = 1; - - mb->un.varWords[0] = addr; - mb->un.varWords[1] = value; - - mb->mbxCommand = MBX_SET_SLIM; - mb->mbxOwner = OWN_HOST; - return; -} - /**********************************************/ /* lpfc_read_nv Issue a READ CONFIG */ /* mailbox command */ diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index 3d77bd999b70..27d60ad897cd 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -465,14 +465,18 @@ lpfc_rcv_padisc(struct lpfc_hba * phba, static int lpfc_rcv_logo(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, - struct lpfc_iocbq *cmdiocb) + struct lpfc_iocbq *cmdiocb, + uint32_t els_cmd) { /* Put ndlp on NPR list with 1 sec timeout for plogi, ACC logo */ /* Only call LOGO ACC for first LOGO, this avoids sending unnecessary * PLOGIs during LOGO storms from a device. */ ndlp->nlp_flag |= NLP_LOGO_ACC; - lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); + if (els_cmd == ELS_CMD_PRLO) + lpfc_els_rsp_acc(phba, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0); + else + lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); if (!(ndlp->nlp_type & NLP_FABRIC) || (ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) { @@ -681,7 +685,7 @@ lpfc_rcv_logo_plogi_issue(struct lpfc_hba * phba, /* software abort outstanding PLOGI */ lpfc_els_abort(phba, ndlp, 1); - lpfc_rcv_logo(phba, ndlp, cmdiocb); + lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO); return ndlp->nlp_state; } @@ -788,10 +792,6 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_hba * phba, if (lpfc_reg_login (phba, irsp->un.elsreq64.remoteID, (uint8_t *) sp, mbox, 0) == 0) { - /* set_slim mailbox command needs to - * execute first, queue this command to - * be processed later. - */ switch (ndlp->nlp_DID) { case NameServer_DID: mbox->mbox_cmpl = @@ -832,11 +832,17 @@ static uint32_t lpfc_device_rm_plogi_issue(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) { - /* software abort outstanding PLOGI */ - lpfc_els_abort(phba, ndlp, 1); + if(ndlp->nlp_flag & NLP_NPR_2B_DISC) { + ndlp->nlp_flag |= NLP_NODEV_REMOVE; + return ndlp->nlp_state; + } + else { + /* software abort outstanding PLOGI */ + lpfc_els_abort(phba, ndlp, 1); - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); - return NLP_STE_FREED_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + return NLP_STE_FREED_NODE; + } } static uint32_t @@ -851,7 +857,7 @@ lpfc_device_recov_plogi_issue(struct lpfc_hba * phba, ndlp->nlp_state = NLP_STE_NPR_NODE; lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); spin_lock_irq(phba->host->host_lock); - ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); spin_unlock_irq(phba->host->host_lock); return ndlp->nlp_state; @@ -905,7 +911,7 @@ lpfc_rcv_logo_adisc_issue(struct lpfc_hba * phba, /* software abort outstanding ADISC */ lpfc_els_abort(phba, ndlp, 0); - lpfc_rcv_logo(phba, ndlp, cmdiocb); + lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO); return ndlp->nlp_state; } @@ -932,7 +938,7 @@ lpfc_rcv_prlo_adisc_issue(struct lpfc_hba * phba, cmdiocb = (struct lpfc_iocbq *) arg; /* Treat like rcv logo */ - lpfc_rcv_logo(phba, ndlp, cmdiocb); + lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_PRLO); return ndlp->nlp_state; } @@ -987,11 +993,17 @@ lpfc_device_rm_adisc_issue(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) { - /* software abort outstanding ADISC */ - lpfc_els_abort(phba, ndlp, 1); + if(ndlp->nlp_flag & NLP_NPR_2B_DISC) { + ndlp->nlp_flag |= NLP_NODEV_REMOVE; + return ndlp->nlp_state; + } + else { + /* software abort outstanding ADISC */ + lpfc_els_abort(phba, ndlp, 1); - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); - return NLP_STE_FREED_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + return NLP_STE_FREED_NODE; + } } static uint32_t @@ -1006,7 +1018,7 @@ lpfc_device_recov_adisc_issue(struct lpfc_hba * phba, ndlp->nlp_state = NLP_STE_NPR_NODE; lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); spin_lock_irq(phba->host->host_lock); - ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); ndlp->nlp_flag |= NLP_NPR_ADISC; spin_unlock_irq(phba->host->host_lock); @@ -1048,7 +1060,7 @@ lpfc_rcv_logo_reglogin_issue(struct lpfc_hba * phba, cmdiocb = (struct lpfc_iocbq *) arg; - lpfc_rcv_logo(phba, ndlp, cmdiocb); + lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO); return ndlp->nlp_state; } @@ -1073,7 +1085,7 @@ lpfc_rcv_prlo_reglogin_issue(struct lpfc_hba * phba, struct lpfc_iocbq *cmdiocb; cmdiocb = (struct lpfc_iocbq *) arg; - lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); + lpfc_els_rsp_acc(phba, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0); return ndlp->nlp_state; } @@ -1133,8 +1145,14 @@ lpfc_device_rm_reglogin_issue(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) { - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); - return NLP_STE_FREED_NODE; + if(ndlp->nlp_flag & NLP_NPR_2B_DISC) { + ndlp->nlp_flag |= NLP_NODEV_REMOVE; + return ndlp->nlp_state; + } + else { + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + return NLP_STE_FREED_NODE; + } } static uint32_t @@ -1146,7 +1164,7 @@ lpfc_device_recov_reglogin_issue(struct lpfc_hba * phba, ndlp->nlp_state = NLP_STE_NPR_NODE; lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); spin_lock_irq(phba->host->host_lock); - ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); spin_unlock_irq(phba->host->host_lock); return ndlp->nlp_state; } @@ -1186,7 +1204,7 @@ lpfc_rcv_logo_prli_issue(struct lpfc_hba * phba, /* Software abort outstanding PRLI before sending acc */ lpfc_els_abort(phba, ndlp, 1); - lpfc_rcv_logo(phba, ndlp, cmdiocb); + lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO); return ndlp->nlp_state; } @@ -1214,7 +1232,7 @@ lpfc_rcv_prlo_prli_issue(struct lpfc_hba * phba, struct lpfc_iocbq *cmdiocb; cmdiocb = (struct lpfc_iocbq *) arg; - lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); + lpfc_els_rsp_acc(phba, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0); return ndlp->nlp_state; } @@ -1278,11 +1296,17 @@ static uint32_t lpfc_device_rm_prli_issue(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) { - /* software abort outstanding PRLI */ - lpfc_els_abort(phba, ndlp, 1); + if(ndlp->nlp_flag & NLP_NPR_2B_DISC) { + ndlp->nlp_flag |= NLP_NODEV_REMOVE; + return ndlp->nlp_state; + } + else { + /* software abort outstanding PLOGI */ + lpfc_els_abort(phba, ndlp, 1); - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); - return NLP_STE_FREED_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + return NLP_STE_FREED_NODE; + } } @@ -1313,7 +1337,7 @@ lpfc_device_recov_prli_issue(struct lpfc_hba * phba, ndlp->nlp_state = NLP_STE_NPR_NODE; lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); spin_lock_irq(phba->host->host_lock); - ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); spin_unlock_irq(phba->host->host_lock); return ndlp->nlp_state; } @@ -1351,7 +1375,7 @@ lpfc_rcv_logo_unmap_node(struct lpfc_hba * phba, cmdiocb = (struct lpfc_iocbq *) arg; - lpfc_rcv_logo(phba, ndlp, cmdiocb); + lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO); return ndlp->nlp_state; } @@ -1375,7 +1399,7 @@ lpfc_rcv_prlo_unmap_node(struct lpfc_hba * phba, cmdiocb = (struct lpfc_iocbq *) arg; - lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); + lpfc_els_rsp_acc(phba, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0); return ndlp->nlp_state; } @@ -1386,7 +1410,7 @@ lpfc_device_recov_unmap_node(struct lpfc_hba * phba, ndlp->nlp_prev_state = NLP_STE_UNMAPPED_NODE; ndlp->nlp_state = NLP_STE_NPR_NODE; lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); - ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); lpfc_disc_set_adisc(phba, ndlp); return ndlp->nlp_state; @@ -1424,7 +1448,7 @@ lpfc_rcv_logo_mapped_node(struct lpfc_hba * phba, cmdiocb = (struct lpfc_iocbq *) arg; - lpfc_rcv_logo(phba, ndlp, cmdiocb); + lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO); return ndlp->nlp_state; } @@ -1456,7 +1480,7 @@ lpfc_rcv_prlo_mapped_node(struct lpfc_hba * phba, spin_unlock_irq(phba->host->host_lock); /* Treat like rcv logo */ - lpfc_rcv_logo(phba, ndlp, cmdiocb); + lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_PRLO); return ndlp->nlp_state; } @@ -1469,7 +1493,7 @@ lpfc_device_recov_mapped_node(struct lpfc_hba * phba, ndlp->nlp_state = NLP_STE_NPR_NODE; lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); spin_lock_irq(phba->host->host_lock); - ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); spin_unlock_irq(phba->host->host_lock); lpfc_disc_set_adisc(phba, ndlp); return ndlp->nlp_state; @@ -1551,7 +1575,7 @@ lpfc_rcv_logo_npr_node(struct lpfc_hba * phba, cmdiocb = (struct lpfc_iocbq *) arg; - lpfc_rcv_logo(phba, ndlp, cmdiocb); + lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO); return ndlp->nlp_state; } @@ -1617,9 +1641,16 @@ lpfc_cmpl_plogi_npr_node(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) { struct lpfc_iocbq *cmdiocb, *rspiocb; + IOCB_t *irsp; cmdiocb = (struct lpfc_iocbq *) arg; rspiocb = cmdiocb->context_un.rsp_iocb; + + irsp = &rspiocb->iocb; + if (irsp->ulpStatus) { + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + return NLP_STE_FREED_NODE; + } return ndlp->nlp_state; } @@ -1628,9 +1659,16 @@ lpfc_cmpl_prli_npr_node(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) { struct lpfc_iocbq *cmdiocb, *rspiocb; + IOCB_t *irsp; cmdiocb = (struct lpfc_iocbq *) arg; rspiocb = cmdiocb->context_un.rsp_iocb; + + irsp = &rspiocb->iocb; + if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + return NLP_STE_FREED_NODE; + } return ndlp->nlp_state; } @@ -1649,9 +1687,16 @@ lpfc_cmpl_adisc_npr_node(struct lpfc_hba * phba, uint32_t evt) { struct lpfc_iocbq *cmdiocb, *rspiocb; + IOCB_t *irsp; cmdiocb = (struct lpfc_iocbq *) arg; rspiocb = cmdiocb->context_un.rsp_iocb; + + irsp = &rspiocb->iocb; + if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + return NLP_STE_FREED_NODE; + } return ndlp->nlp_state; } @@ -1668,7 +1713,12 @@ lpfc_cmpl_reglogin_npr_node(struct lpfc_hba * phba, if (!mb->mbxStatus) ndlp->nlp_rpi = mb->un.varWords[0]; - + else { + if (ndlp->nlp_flag & NLP_NODEV_REMOVE) { + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + return NLP_STE_FREED_NODE; + } + } return ndlp->nlp_state; } @@ -1677,6 +1727,10 @@ lpfc_device_rm_npr_node(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) { + if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { + ndlp->nlp_flag |= NLP_NODEV_REMOVE; + return ndlp->nlp_state; + } lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); return NLP_STE_FREED_NODE; } @@ -1687,7 +1741,7 @@ lpfc_device_recov_npr_node(struct lpfc_hba * phba, uint32_t evt) { spin_lock_irq(phba->host->host_lock); - ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); spin_unlock_irq(phba->host->host_lock); if (ndlp->nlp_flag & NLP_DELAY_TMO) { lpfc_cancel_retry_delay_tmo(phba, ndlp); diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index f93799873721..7dc4c2e6bed2 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -629,8 +629,7 @@ lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq; IOCB_t *piocb; struct fcp_cmnd *fcp_cmnd; - struct scsi_device *scsi_dev = lpfc_cmd->pCmd->device; - struct lpfc_rport_data *rdata = scsi_dev->hostdata; + struct lpfc_rport_data *rdata = lpfc_cmd->rdata; struct lpfc_nodelist *ndlp = rdata->pnode; if ((ndlp == NULL) || (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) { @@ -665,56 +664,18 @@ lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_hba *phba, piocb->ulpTimeout = lpfc_cmd->timeout; } - lpfc_cmd->rdata = rdata; - - switch (task_mgmt_cmd) { - case FCP_LUN_RESET: - /* Issue LUN Reset to TGT <num> LUN <num> */ - lpfc_printf_log(phba, - KERN_INFO, - LOG_FCP, - "%d:0703 Issue LUN Reset to TGT %d LUN %d " - "Data: x%x x%x\n", - phba->brd_no, - scsi_dev->id, scsi_dev->lun, - ndlp->nlp_rpi, ndlp->nlp_flag); - - break; - case FCP_ABORT_TASK_SET: - /* Issue Abort Task Set to TGT <num> LUN <num> */ - lpfc_printf_log(phba, - KERN_INFO, - LOG_FCP, - "%d:0701 Issue Abort Task Set to TGT %d LUN %d " - "Data: x%x x%x\n", - phba->brd_no, - scsi_dev->id, scsi_dev->lun, - ndlp->nlp_rpi, ndlp->nlp_flag); - - break; - case FCP_TARGET_RESET: - /* Issue Target Reset to TGT <num> */ - lpfc_printf_log(phba, - KERN_INFO, - LOG_FCP, - "%d:0702 Issue Target Reset to TGT %d " - "Data: x%x x%x\n", - phba->brd_no, - scsi_dev->id, ndlp->nlp_rpi, - ndlp->nlp_flag); - break; - } - return (1); } static int -lpfc_scsi_tgt_reset(struct lpfc_scsi_buf * lpfc_cmd, struct lpfc_hba * phba) +lpfc_scsi_tgt_reset(struct lpfc_scsi_buf * lpfc_cmd, struct lpfc_hba * phba, + unsigned tgt_id, struct lpfc_rport_data *rdata) { struct lpfc_iocbq *iocbq; struct lpfc_iocbq *iocbqrsp; int ret; + lpfc_cmd->rdata = rdata; ret = lpfc_scsi_prep_task_mgmt_cmd(phba, lpfc_cmd, FCP_TARGET_RESET); if (!ret) return FAILED; @@ -726,6 +687,13 @@ lpfc_scsi_tgt_reset(struct lpfc_scsi_buf * lpfc_cmd, struct lpfc_hba * phba) if (!iocbqrsp) return FAILED; + /* Issue Target Reset to TGT <num> */ + lpfc_printf_log(phba, KERN_INFO, LOG_FCP, + "%d:0702 Issue Target Reset to TGT %d " + "Data: x%x x%x\n", + phba->brd_no, tgt_id, rdata->pnode->nlp_rpi, + rdata->pnode->nlp_flag); + ret = lpfc_sli_issue_iocb_wait(phba, &phba->sli.ring[phba->sli.fcp_ring], iocbq, iocbqrsp, lpfc_cmd->timeout); @@ -1021,6 +989,7 @@ lpfc_reset_lun_handler(struct scsi_cmnd *cmnd) lpfc_cmd->pCmd = cmnd; lpfc_cmd->timeout = 60; lpfc_cmd->scsi_hba = phba; + lpfc_cmd->rdata = rdata; ret = lpfc_scsi_prep_task_mgmt_cmd(phba, lpfc_cmd, FCP_LUN_RESET); if (!ret) @@ -1033,6 +1002,11 @@ lpfc_reset_lun_handler(struct scsi_cmnd *cmnd) if (iocbqrsp == NULL) goto out_free_scsi_buf; + lpfc_printf_log(phba, KERN_INFO, LOG_FCP, + "%d:0703 Issue LUN Reset to TGT %d LUN %d " + "Data: x%x x%x\n", phba->brd_no, cmnd->device->id, + cmnd->device->lun, pnode->nlp_rpi, pnode->nlp_flag); + ret = lpfc_sli_issue_iocb_wait(phba, &phba->sli.ring[phba->sli.fcp_ring], iocbq, iocbqrsp, lpfc_cmd->timeout); @@ -1104,7 +1078,6 @@ lpfc_reset_bus_handler(struct scsi_cmnd *cmnd) int match; int ret = FAILED, i, err_count = 0; int cnt, loopcnt; - unsigned int midlayer_id = 0; struct lpfc_scsi_buf * lpfc_cmd; lpfc_block_requests(phba); @@ -1124,7 +1097,6 @@ lpfc_reset_bus_handler(struct scsi_cmnd *cmnd) * targets known to the driver. Should any target reset * fail, this routine returns failure to the midlayer. */ - midlayer_id = cmnd->device->id; for (i = 0; i < MAX_FCP_TARGET; i++) { /* Search the mapped list for this target ID */ match = 0; @@ -1137,9 +1109,8 @@ lpfc_reset_bus_handler(struct scsi_cmnd *cmnd) if (!match) continue; - lpfc_cmd->pCmd->device->id = i; - lpfc_cmd->pCmd->device->hostdata = ndlp->rport->dd_data; - ret = lpfc_scsi_tgt_reset(lpfc_cmd, phba); + ret = lpfc_scsi_tgt_reset(lpfc_cmd, phba, + i, ndlp->rport->dd_data); if (ret != SUCCESS) { lpfc_printf_log(phba, KERN_ERR, LOG_FCP, "%d:0713 Bus Reset on target %d failed\n", @@ -1158,7 +1129,6 @@ lpfc_reset_bus_handler(struct scsi_cmnd *cmnd) * the targets. Unfortunately, some targets do not abide by * this forcing the driver to double check. */ - cmnd->device->id = midlayer_id; cnt = lpfc_sli_sum_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring], 0, 0, LPFC_CTX_HOST); if (cnt) diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h index 4cf1366108b7..6b737568b831 100644 --- a/drivers/scsi/lpfc/lpfc_version.h +++ b/drivers/scsi/lpfc/lpfc_version.h @@ -18,7 +18,7 @@ * included with this package. * *******************************************************************/ -#define LPFC_DRIVER_VERSION "8.1.4" +#define LPFC_DRIVER_VERSION "8.1.6" #define LPFC_DRIVER_NAME "lpfc" diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c index 80b68a2481b3..de35ffe2f79d 100644 --- a/drivers/scsi/megaraid.c +++ b/drivers/scsi/megaraid.c @@ -4471,7 +4471,6 @@ mega_internal_command(adapter_t *adapter, megacmd_t *mc, mega_passthru *pthru) { Scsi_Cmnd *scmd; struct scsi_device *sdev; - unsigned long flags = 0; scb_t *scb; int rval; diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c index c11e5ce6865e..bec1424eda85 100644 --- a/drivers/scsi/megaraid/megaraid_mbox.c +++ b/drivers/scsi/megaraid/megaraid_mbox.c @@ -10,7 +10,7 @@ * 2 of the License, or (at your option) any later version. * * FILE : megaraid_mbox.c - * Version : v2.20.4.7 (Nov 14 2005) + * Version : v2.20.4.8 (Apr 11 2006) * * Authors: * Atul Mukker <Atul.Mukker@lsil.com> @@ -2278,6 +2278,7 @@ megaraid_mbox_dpc(unsigned long devp) unsigned long flags; uint8_t c; int status; + uioc_t *kioc; if (!adapter) return; @@ -2320,6 +2321,9 @@ megaraid_mbox_dpc(unsigned long devp) // remove from local clist list_del_init(&scb->list); + kioc = (uioc_t *)scb->gp; + kioc->status = 0; + megaraid_mbox_mm_done(adapter, scb); continue; @@ -2636,6 +2640,7 @@ megaraid_reset_handler(struct scsi_cmnd *scp) int recovery_window; int recovering; int i; + uioc_t *kioc; adapter = SCP2ADAPTER(scp); raid_dev = ADAP2RAIDDEV(adapter); @@ -2655,32 +2660,51 @@ megaraid_reset_handler(struct scsi_cmnd *scp) // Also, reset all the commands currently owned by the driver spin_lock_irqsave(PENDING_LIST_LOCK(adapter), flags); list_for_each_entry_safe(scb, tmp, &adapter->pend_list, list) { - list_del_init(&scb->list); // from pending list - con_log(CL_ANN, (KERN_WARNING - "megaraid: %ld:%d[%d:%d], reset from pending list\n", - scp->serial_number, scb->sno, - scb->dev_channel, scb->dev_target)); + if (scb->sno >= MBOX_MAX_SCSI_CMDS) { + con_log(CL_ANN, (KERN_WARNING + "megaraid: IOCTL packet with %d[%d:%d] being reset\n", + scb->sno, scb->dev_channel, scb->dev_target)); - scp->result = (DID_RESET << 16); - scp->scsi_done(scp); + scb->status = -1; - megaraid_dealloc_scb(adapter, scb); + kioc = (uioc_t *)scb->gp; + kioc->status = -EFAULT; + + megaraid_mbox_mm_done(adapter, scb); + } else { + if (scb->scp == scp) { // Found command + con_log(CL_ANN, (KERN_WARNING + "megaraid: %ld:%d[%d:%d], reset from pending list\n", + scp->serial_number, scb->sno, + scb->dev_channel, scb->dev_target)); + } else { + con_log(CL_ANN, (KERN_WARNING + "megaraid: IO packet with %d[%d:%d] being reset\n", + scb->sno, scb->dev_channel, scb->dev_target)); + } + + scb->scp->result = (DID_RESET << 16); + scb->scp->scsi_done(scb->scp); + + megaraid_dealloc_scb(adapter, scb); + } } spin_unlock_irqrestore(PENDING_LIST_LOCK(adapter), flags); if (adapter->outstanding_cmds) { con_log(CL_ANN, (KERN_NOTICE "megaraid: %d outstanding commands. Max wait %d sec\n", - adapter->outstanding_cmds, MBOX_RESET_WAIT)); + adapter->outstanding_cmds, + (MBOX_RESET_WAIT + MBOX_RESET_EXT_WAIT))); } recovery_window = MBOX_RESET_WAIT + MBOX_RESET_EXT_WAIT; recovering = adapter->outstanding_cmds; - for (i = 0; i < recovery_window && adapter->outstanding_cmds; i++) { + for (i = 0; i < recovery_window; i++) { megaraid_ack_sequence(adapter); @@ -2689,12 +2713,11 @@ megaraid_reset_handler(struct scsi_cmnd *scp) con_log(CL_ANN, ( "megaraid mbox: Wait for %d commands to complete:%d\n", adapter->outstanding_cmds, - MBOX_RESET_WAIT - i)); + (MBOX_RESET_WAIT + MBOX_RESET_EXT_WAIT) - i)); } // bailout if no recovery happended in reset time - if ((i == MBOX_RESET_WAIT) && - (recovering == adapter->outstanding_cmds)) { + if (adapter->outstanding_cmds == 0) { break; } @@ -2918,12 +2941,13 @@ mbox_post_sync_cmd_fast(adapter_t *adapter, uint8_t raw_mbox[]) wmb(); WRINDOOR(raid_dev, raid_dev->mbox_dma | 0x1); - for (i = 0; i < 0xFFFFF; i++) { + for (i = 0; i < MBOX_SYNC_WAIT_CNT; i++) { if (mbox->numstatus != 0xFF) break; rmb(); + udelay(MBOX_SYNC_DELAY_200); } - if (i == 0xFFFFF) { + if (i == MBOX_SYNC_WAIT_CNT) { // We may need to re-calibrate the counter con_log(CL_ANN, (KERN_CRIT "megaraid: fast sync command timed out\n")); @@ -3475,7 +3499,7 @@ megaraid_cmm_register(adapter_t *adapter) adp.drvr_data = (unsigned long)adapter; adp.pdev = adapter->pdev; adp.issue_uioc = megaraid_mbox_mm_handler; - adp.timeout = 300; + adp.timeout = MBOX_RESET_WAIT + MBOX_RESET_EXT_WAIT; adp.max_kioc = MBOX_MAX_USER_CMDS; if ((rval = mraid_mm_register_adp(&adp)) != 0) { @@ -3702,7 +3726,6 @@ megaraid_mbox_mm_done(adapter_t *adapter, scb_t *scb) unsigned long flags; kioc = (uioc_t *)scb->gp; - kioc->status = 0; mbox64 = (mbox64_t *)(unsigned long)kioc->cmdbuf; mbox64->mbox32.status = scb->status; raw_mbox = (uint8_t *)&mbox64->mbox32; diff --git a/drivers/scsi/megaraid/megaraid_mbox.h b/drivers/scsi/megaraid/megaraid_mbox.h index 882fb1a0b575..868fb0ec93e7 100644 --- a/drivers/scsi/megaraid/megaraid_mbox.h +++ b/drivers/scsi/megaraid/megaraid_mbox.h @@ -21,8 +21,8 @@ #include "megaraid_ioctl.h" -#define MEGARAID_VERSION "2.20.4.7" -#define MEGARAID_EXT_VERSION "(Release Date: Mon Nov 14 12:27:22 EST 2005)" +#define MEGARAID_VERSION "2.20.4.8" +#define MEGARAID_EXT_VERSION "(Release Date: Mon Apr 11 12:27:22 EST 2006)" /* @@ -100,6 +100,9 @@ #define MBOX_BUSY_WAIT 10 // max usec to wait for busy mailbox #define MBOX_RESET_WAIT 180 // wait these many seconds in reset #define MBOX_RESET_EXT_WAIT 120 // extended wait reset +#define MBOX_SYNC_WAIT_CNT 0xFFFF // wait loop index for synchronous mode + +#define MBOX_SYNC_DELAY_200 200 // 200 micro-seconds /* * maximum transfer that can happen through the firmware commands issued diff --git a/drivers/scsi/megaraid/megaraid_mm.c b/drivers/scsi/megaraid/megaraid_mm.c index 8f3ce0432295..e8f534fb336b 100644 --- a/drivers/scsi/megaraid/megaraid_mm.c +++ b/drivers/scsi/megaraid/megaraid_mm.c @@ -898,10 +898,8 @@ mraid_mm_register_adp(mraid_mmadp_t *lld_adp) adapter = kmalloc(sizeof(mraid_mmadp_t), GFP_KERNEL); - if (!adapter) { - rval = -ENOMEM; - goto memalloc_error; - } + if (!adapter) + return -ENOMEM; memset(adapter, 0, sizeof(mraid_mmadp_t)); diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 017729c59a49..584fe5d8e507 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -599,6 +599,7 @@ qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha) * Either SUCCESS or FAILED. * * Note: +* Only return FAILED if command not returned by firmware. **************************************************************************/ int qla2xxx_eh_abort(struct scsi_cmnd *cmd) @@ -609,11 +610,12 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd) unsigned int id, lun; unsigned long serial; unsigned long flags; + int wait = 0; if (!CMD_SP(cmd)) - return FAILED; + return SUCCESS; - ret = FAILED; + ret = SUCCESS; id = cmd->device->id; lun = cmd->device->lun; @@ -642,7 +644,7 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd) } else { DEBUG3(printk("%s(%ld): abort_command " "mbx success.\n", __func__, ha->host_no)); - ret = SUCCESS; + wait = 1; } spin_lock_irqsave(&ha->hardware_lock, flags); @@ -651,17 +653,18 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd) spin_unlock_irqrestore(&ha->hardware_lock, flags); /* Wait for the command to be returned. */ - if (ret == SUCCESS) { + if (wait) { if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) { qla_printk(KERN_ERR, ha, "scsi(%ld:%d:%d): Abort handler timed out -- %lx " "%x.\n", ha->host_no, id, lun, serial, ret); + ret = FAILED; } } qla_printk(KERN_INFO, ha, - "scsi(%ld:%d:%d): Abort command issued -- %lx %x.\n", ha->host_no, - id, lun, serial, ret); + "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n", + ha->host_no, id, lun, wait, serial, ret); return ret; } @@ -1700,8 +1703,8 @@ qla2x00_free_device(scsi_qla_host_t *ha) ha->flags.online = 0; /* Detach interrupts */ - if (ha->pdev->irq) - free_irq(ha->pdev->irq, ha); + if (ha->host->irq) + free_irq(ha->host->irq, ha); /* release io space registers */ if (ha->iobase) diff --git a/drivers/scsi/sata_mv.c b/drivers/scsi/sata_mv.c index d5fdcb9a8842..9b8bca1ac1f0 100644 --- a/drivers/scsi/sata_mv.c +++ b/drivers/scsi/sata_mv.c @@ -37,7 +37,7 @@ #include <asm/io.h> #define DRV_NAME "sata_mv" -#define DRV_VERSION "0.6" +#define DRV_VERSION "0.7" enum { /* BAR's are enumerated in terms of pci_resource_start() terms */ @@ -50,6 +50,12 @@ enum { MV_PCI_REG_BASE = 0, MV_IRQ_COAL_REG_BASE = 0x18000, /* 6xxx part only */ + MV_IRQ_COAL_CAUSE = (MV_IRQ_COAL_REG_BASE + 0x08), + MV_IRQ_COAL_CAUSE_LO = (MV_IRQ_COAL_REG_BASE + 0x88), + MV_IRQ_COAL_CAUSE_HI = (MV_IRQ_COAL_REG_BASE + 0x8c), + MV_IRQ_COAL_THRESHOLD = (MV_IRQ_COAL_REG_BASE + 0xcc), + MV_IRQ_COAL_TIME_THRESHOLD = (MV_IRQ_COAL_REG_BASE + 0xd0), + MV_SATAHC0_REG_BASE = 0x20000, MV_FLASH_CTL = 0x1046c, MV_GPIO_PORT_CTL = 0x104f0, @@ -302,9 +308,6 @@ struct mv_port_priv { dma_addr_t crpb_dma; struct mv_sg *sg_tbl; dma_addr_t sg_tbl_dma; - - unsigned req_producer; /* cp of req_in_ptr */ - unsigned rsp_consumer; /* cp of rsp_out_ptr */ u32 pp_flags; }; @@ -937,8 +940,6 @@ static int mv_port_start(struct ata_port *ap) writelfl(pp->crpb_dma & EDMA_RSP_Q_BASE_LO_MASK, port_mmio + EDMA_RSP_Q_OUT_PTR_OFS); - pp->req_producer = pp->rsp_consumer = 0; - /* Don't turn on EDMA here...do it before DMA commands only. Else * we'll be unable to send non-data, PIO, etc due to restricted access * to shadow regs. @@ -1022,16 +1023,16 @@ static void mv_fill_sg(struct ata_queued_cmd *qc) } } -static inline unsigned mv_inc_q_index(unsigned *index) +static inline unsigned mv_inc_q_index(unsigned index) { - *index = (*index + 1) & MV_MAX_Q_DEPTH_MASK; - return *index; + return (index + 1) & MV_MAX_Q_DEPTH_MASK; } static inline void mv_crqb_pack_cmd(u16 *cmdw, u8 data, u8 addr, unsigned last) { - *cmdw = data | (addr << CRQB_CMD_ADDR_SHIFT) | CRQB_CMD_CS | + u16 tmp = data | (addr << CRQB_CMD_ADDR_SHIFT) | CRQB_CMD_CS | (last ? CRQB_CMD_LAST : 0); + *cmdw = cpu_to_le16(tmp); } /** @@ -1053,15 +1054,11 @@ static void mv_qc_prep(struct ata_queued_cmd *qc) u16 *cw; struct ata_taskfile *tf; u16 flags = 0; + unsigned in_index; if (ATA_PROT_DMA != qc->tf.protocol) return; - /* the req producer index should be the same as we remember it */ - WARN_ON(((readl(mv_ap_base(qc->ap) + EDMA_REQ_Q_IN_PTR_OFS) >> - EDMA_REQ_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK) != - pp->req_producer); - /* Fill in command request block */ if (!(qc->tf.flags & ATA_TFLAG_WRITE)) @@ -1069,13 +1066,17 @@ static void mv_qc_prep(struct ata_queued_cmd *qc) WARN_ON(MV_MAX_Q_DEPTH <= qc->tag); flags |= qc->tag << CRQB_TAG_SHIFT; - pp->crqb[pp->req_producer].sg_addr = + /* get current queue index from hardware */ + in_index = (readl(mv_ap_base(ap) + EDMA_REQ_Q_IN_PTR_OFS) + >> EDMA_REQ_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK; + + pp->crqb[in_index].sg_addr = cpu_to_le32(pp->sg_tbl_dma & 0xffffffff); - pp->crqb[pp->req_producer].sg_addr_hi = + pp->crqb[in_index].sg_addr_hi = cpu_to_le32((pp->sg_tbl_dma >> 16) >> 16); - pp->crqb[pp->req_producer].ctrl_flags = cpu_to_le16(flags); + pp->crqb[in_index].ctrl_flags = cpu_to_le16(flags); - cw = &pp->crqb[pp->req_producer].ata_cmd[0]; + cw = &pp->crqb[in_index].ata_cmd[0]; tf = &qc->tf; /* Sadly, the CRQB cannot accomodate all registers--there are @@ -1144,16 +1145,12 @@ static void mv_qc_prep_iie(struct ata_queued_cmd *qc) struct mv_port_priv *pp = ap->private_data; struct mv_crqb_iie *crqb; struct ata_taskfile *tf; + unsigned in_index; u32 flags = 0; if (ATA_PROT_DMA != qc->tf.protocol) return; - /* the req producer index should be the same as we remember it */ - WARN_ON(((readl(mv_ap_base(qc->ap) + EDMA_REQ_Q_IN_PTR_OFS) >> - EDMA_REQ_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK) != - pp->req_producer); - /* Fill in Gen IIE command request block */ if (!(qc->tf.flags & ATA_TFLAG_WRITE)) @@ -1162,7 +1159,11 @@ static void mv_qc_prep_iie(struct ata_queued_cmd *qc) WARN_ON(MV_MAX_Q_DEPTH <= qc->tag); flags |= qc->tag << CRQB_TAG_SHIFT; - crqb = (struct mv_crqb_iie *) &pp->crqb[pp->req_producer]; + /* get current queue index from hardware */ + in_index = (readl(mv_ap_base(ap) + EDMA_REQ_Q_IN_PTR_OFS) + >> EDMA_REQ_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK; + + crqb = (struct mv_crqb_iie *) &pp->crqb[in_index]; crqb->addr = cpu_to_le32(pp->sg_tbl_dma & 0xffffffff); crqb->addr_hi = cpu_to_le32((pp->sg_tbl_dma >> 16) >> 16); crqb->flags = cpu_to_le32(flags); @@ -1210,6 +1211,7 @@ static unsigned int mv_qc_issue(struct ata_queued_cmd *qc) { void __iomem *port_mmio = mv_ap_base(qc->ap); struct mv_port_priv *pp = qc->ap->private_data; + unsigned in_index; u32 in_ptr; if (ATA_PROT_DMA != qc->tf.protocol) { @@ -1221,23 +1223,20 @@ static unsigned int mv_qc_issue(struct ata_queued_cmd *qc) return ata_qc_issue_prot(qc); } - in_ptr = readl(port_mmio + EDMA_REQ_Q_IN_PTR_OFS); + in_ptr = readl(port_mmio + EDMA_REQ_Q_IN_PTR_OFS); + in_index = (in_ptr >> EDMA_REQ_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK; - /* the req producer index should be the same as we remember it */ - WARN_ON(((in_ptr >> EDMA_REQ_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK) != - pp->req_producer); /* until we do queuing, the queue should be empty at this point */ - WARN_ON(((in_ptr >> EDMA_REQ_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK) != - ((readl(port_mmio + EDMA_REQ_Q_OUT_PTR_OFS) >> - EDMA_REQ_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK)); + WARN_ON(in_index != ((readl(port_mmio + EDMA_REQ_Q_OUT_PTR_OFS) + >> EDMA_REQ_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK)); - mv_inc_q_index(&pp->req_producer); /* now incr producer index */ + in_index = mv_inc_q_index(in_index); /* now incr producer index */ mv_start_dma(port_mmio, pp); /* and write the request in pointer to kick the EDMA to life */ in_ptr &= EDMA_REQ_Q_BASE_LO_MASK; - in_ptr |= pp->req_producer << EDMA_REQ_Q_PTR_SHIFT; + in_ptr |= in_index << EDMA_REQ_Q_PTR_SHIFT; writelfl(in_ptr, port_mmio + EDMA_REQ_Q_IN_PTR_OFS); return 0; @@ -1260,28 +1259,26 @@ static u8 mv_get_crpb_status(struct ata_port *ap) { void __iomem *port_mmio = mv_ap_base(ap); struct mv_port_priv *pp = ap->private_data; + unsigned out_index; u32 out_ptr; u8 ata_status; - out_ptr = readl(port_mmio + EDMA_RSP_Q_OUT_PTR_OFS); + out_ptr = readl(port_mmio + EDMA_RSP_Q_OUT_PTR_OFS); + out_index = (out_ptr >> EDMA_RSP_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK; - /* the response consumer index should be the same as we remember it */ - WARN_ON(((out_ptr >> EDMA_RSP_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK) != - pp->rsp_consumer); - - ata_status = pp->crpb[pp->rsp_consumer].flags >> CRPB_FLAG_STATUS_SHIFT; + ata_status = le16_to_cpu(pp->crpb[out_index].flags) + >> CRPB_FLAG_STATUS_SHIFT; /* increment our consumer index... */ - pp->rsp_consumer = mv_inc_q_index(&pp->rsp_consumer); + out_index = mv_inc_q_index(out_index); /* and, until we do NCQ, there should only be 1 CRPB waiting */ - WARN_ON(((readl(port_mmio + EDMA_RSP_Q_IN_PTR_OFS) >> - EDMA_RSP_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK) != - pp->rsp_consumer); + WARN_ON(out_index != ((readl(port_mmio + EDMA_RSP_Q_IN_PTR_OFS) + >> EDMA_RSP_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK)); /* write out our inc'd consumer index so EDMA knows we're caught up */ out_ptr &= EDMA_RSP_Q_BASE_LO_MASK; - out_ptr |= pp->rsp_consumer << EDMA_RSP_Q_PTR_SHIFT; + out_ptr |= out_index << EDMA_RSP_Q_PTR_SHIFT; writelfl(out_ptr, port_mmio + EDMA_RSP_Q_OUT_PTR_OFS); /* Return ATA status register for completed CRPB */ @@ -1291,6 +1288,7 @@ static u8 mv_get_crpb_status(struct ata_port *ap) /** * mv_err_intr - Handle error interrupts on the port * @ap: ATA channel to manipulate + * @reset_allowed: bool: 0 == don't trigger from reset here * * In most cases, just clear the interrupt and move on. However, * some cases require an eDMA reset, which is done right before @@ -1301,7 +1299,7 @@ static u8 mv_get_crpb_status(struct ata_port *ap) * LOCKING: * Inherited from caller. */ -static void mv_err_intr(struct ata_port *ap) +static void mv_err_intr(struct ata_port *ap, int reset_allowed) { void __iomem *port_mmio = mv_ap_base(ap); u32 edma_err_cause, serr = 0; @@ -1323,9 +1321,8 @@ static void mv_err_intr(struct ata_port *ap) writelfl(0, port_mmio + EDMA_ERR_IRQ_CAUSE_OFS); /* check for fatal here and recover if needed */ - if (EDMA_ERR_FATAL & edma_err_cause) { + if (reset_allowed && (EDMA_ERR_FATAL & edma_err_cause)) mv_stop_and_reset(ap); - } } /** @@ -1374,12 +1371,12 @@ static void mv_host_intr(struct ata_host_set *host_set, u32 relevant, struct ata_port *ap = host_set->ports[port]; struct mv_port_priv *pp = ap->private_data; - hard_port = port & MV_PORT_MASK; /* range 0-3 */ + hard_port = mv_hardport_from_port(port); /* range 0..3 */ handled = 0; /* ensure ata_status is set if handled++ */ /* Note that DEV_IRQ might happen spuriously during EDMA, - * and should be ignored in such cases. We could mask it, - * but it's pretty rare and may not be worth the overhead. + * and should be ignored in such cases. + * The cause of this is still under investigation. */ if (pp->pp_flags & MV_PP_FLAG_EDMA_EN) { /* EDMA: check for response queue interrupt */ @@ -1393,6 +1390,11 @@ static void mv_host_intr(struct ata_host_set *host_set, u32 relevant, ata_status = readb((void __iomem *) ap->ioaddr.status_addr); handled = 1; + /* ignore spurious intr if drive still BUSY */ + if (ata_status & ATA_BUSY) { + ata_status = 0; + handled = 0; + } } } @@ -1406,7 +1408,7 @@ static void mv_host_intr(struct ata_host_set *host_set, u32 relevant, shift++; /* skip bit 8 in the HC Main IRQ reg */ } if ((PORT0_ERR << shift) & relevant) { - mv_err_intr(ap); + mv_err_intr(ap, 1); err_mask |= AC_ERR_OTHER; handled = 1; } @@ -1448,6 +1450,7 @@ static irqreturn_t mv_interrupt(int irq, void *dev_instance, struct ata_host_set *host_set = dev_instance; unsigned int hc, handled = 0, n_hcs; void __iomem *mmio = host_set->mmio_base; + struct mv_host_priv *hpriv; u32 irq_stat; irq_stat = readl(mmio + HC_MAIN_IRQ_CAUSE_OFS); @@ -1469,6 +1472,17 @@ static irqreturn_t mv_interrupt(int irq, void *dev_instance, handled++; } } + + hpriv = host_set->private_data; + if (IS_60XX(hpriv)) { + /* deal with the interrupt coalescing bits */ + if (irq_stat & (TRAN_LO_DONE | TRAN_HI_DONE | PORTS_0_7_COAL_DONE)) { + writelfl(0, mmio + MV_IRQ_COAL_CAUSE_LO); + writelfl(0, mmio + MV_IRQ_COAL_CAUSE_HI); + writelfl(0, mmio + MV_IRQ_COAL_CAUSE); + } + } + if (PCI_ERR & irq_stat) { printk(KERN_ERR DRV_NAME ": PCI ERROR; PCI IRQ cause=0x%08x\n", readl(mmio + PCI_IRQ_CAUSE_OFS)); @@ -1867,7 +1881,8 @@ static void mv_channel_reset(struct mv_host_priv *hpriv, void __iomem *mmio, if (IS_60XX(hpriv)) { u32 ifctl = readl(port_mmio + SATA_INTERFACE_CTL); - ifctl |= (1 << 12) | (1 << 7); + ifctl |= (1 << 7); /* enable gen2i speed */ + ifctl = (ifctl & 0xfff) | 0x9b1000; /* from chip spec */ writelfl(ifctl, port_mmio + SATA_INTERFACE_CTL); } @@ -2031,11 +2046,14 @@ static void mv_eng_timeout(struct ata_port *ap) ap->host_set->mmio_base, ap, qc, qc->scsicmd, &qc->scsicmd->cmnd); - mv_err_intr(ap); + mv_err_intr(ap, 0); mv_stop_and_reset(ap); - qc->err_mask |= AC_ERR_TIMEOUT; - ata_eh_qc_complete(qc); + WARN_ON(!(qc->flags & ATA_QCFLAG_ACTIVE)); + if (qc->flags & ATA_QCFLAG_ACTIVE) { + qc->err_mask |= AC_ERR_TIMEOUT; + ata_eh_qc_complete(qc); + } } /** @@ -2229,7 +2247,8 @@ static int mv_init_host(struct pci_dev *pdev, struct ata_probe_ent *probe_ent, void __iomem *port_mmio = mv_port_base(mmio, port); u32 ifctl = readl(port_mmio + SATA_INTERFACE_CTL); - ifctl |= (1 << 12); + ifctl |= (1 << 7); /* enable gen2i speed */ + ifctl = (ifctl & 0xfff) | 0x9b1000; /* from chip spec */ writelfl(ifctl, port_mmio + SATA_INTERFACE_CTL); } @@ -2330,6 +2349,7 @@ static int mv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (rc) { return rc; } + pci_set_master(pdev); rc = pci_request_regions(pdev, DRV_NAME); if (rc) { diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c index c750d3399a97..941c1e15c899 100644 --- a/drivers/scsi/scsi_devinfo.c +++ b/drivers/scsi/scsi_devinfo.c @@ -56,6 +56,8 @@ static struct { {"DENON", "DRD-25X", "V", BLIST_NOLUN}, /* locks up */ {"HITACHI", "DK312C", "CM81", BLIST_NOLUN}, /* responds to all lun */ {"HITACHI", "DK314C", "CR21", BLIST_NOLUN}, /* responds to all lun */ + {"IBM", "2104-DU3", NULL, BLIST_NOLUN}, /* locks up */ + {"IBM", "2104-TU3", NULL, BLIST_NOLUN}, /* locks up */ {"IMS", "CDD521/10", "2.06", BLIST_NOLUN}, /* locks up */ {"MAXTOR", "XT-3280", "PR02", BLIST_NOLUN}, /* locks up */ {"MAXTOR", "XT-4380S", "B3C", BLIST_NOLUN}, /* locks up */ diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 7b0f9a3810d2..764a8b375ead 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1067,16 +1067,29 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes, break; case NOT_READY: /* - * If the device is in the process of becoming ready, - * retry. + * If the device is in the process of becoming + * ready, or has a temporary blockage, retry. */ - if (sshdr.asc == 0x04 && sshdr.ascq == 0x01) { - scsi_requeue_command(q, cmd); - return; + if (sshdr.asc == 0x04) { + switch (sshdr.ascq) { + case 0x01: /* becoming ready */ + case 0x04: /* format in progress */ + case 0x05: /* rebuild in progress */ + case 0x06: /* recalculation in progress */ + case 0x07: /* operation in progress */ + case 0x08: /* Long write in progress */ + case 0x09: /* self test in progress */ + scsi_requeue_command(q, cmd); + return; + default: + break; + } } - if (!(req->flags & REQ_QUIET)) + if (!(req->flags & REQ_QUIET)) { scmd_printk(KERN_INFO, cmd, - "Device not ready.\n"); + "Device not ready: "); + scsi_print_sense_hdr("", &sshdr); + } scsi_end_request(cmd, 0, this_count, 1); return; case VOLUME_OVERFLOW: diff --git a/drivers/scsi/sim710.c b/drivers/scsi/sim710.c index 3274ab76c8d3..255886a9ac55 100644 --- a/drivers/scsi/sim710.c +++ b/drivers/scsi/sim710.c @@ -75,7 +75,7 @@ param_setup(char *str) else if(!strncmp(pos, "id:", 3)) { if(slot == -1) { printk(KERN_WARNING "sim710: Must specify slot for id parameter\n"); - } else if(slot > MAX_SLOTS) { + } else if(slot >= MAX_SLOTS) { printk(KERN_WARNING "sim710: Illegal slot %d for id %d\n", slot, val); } else { id_array[slot] = val; diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index d40e7c871c36..56cb49006116 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -4054,7 +4054,7 @@ static int st_probe(struct device *dev) } sdev_printk(KERN_WARNING, SDp, - "Attached scsi tape %s", tape_name(tpnt)); + "Attached scsi tape %s\n", tape_name(tpnt)); printk(KERN_WARNING "%s: try direct i/o: %s (alignment %d B)\n", tape_name(tpnt), tpnt->try_dio ? "yes" : "no", queue_dma_alignment(SDp->request_queue) + 1); diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index 674b15c78f68..bbf78aaf9e01 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -362,6 +362,40 @@ serial_out(struct uart_8250_port *up, int offset, int value) #define serial_inp(up, offset) serial_in(up, offset) #define serial_outp(up, offset, value) serial_out(up, offset, value) +/* Uart divisor latch read */ +static inline int _serial_dl_read(struct uart_8250_port *up) +{ + return serial_inp(up, UART_DLL) | serial_inp(up, UART_DLM) << 8; +} + +/* Uart divisor latch write */ +static inline void _serial_dl_write(struct uart_8250_port *up, int value) +{ + serial_outp(up, UART_DLL, value & 0xff); + serial_outp(up, UART_DLM, value >> 8 & 0xff); +} + +#ifdef CONFIG_SERIAL_8250_AU1X00 +/* Au1x00 haven't got a standard divisor latch */ +static int serial_dl_read(struct uart_8250_port *up) +{ + if (up->port.iotype == UPIO_AU) + return __raw_readl(up->port.membase + 0x28); + else + return _serial_dl_read(up); +} + +static void serial_dl_write(struct uart_8250_port *up, int value) +{ + if (up->port.iotype == UPIO_AU) + __raw_writel(value, up->port.membase + 0x28); + else + _serial_dl_write(up, value); +} +#else +#define serial_dl_read(up) _serial_dl_read(up) +#define serial_dl_write(up, value) _serial_dl_write(up, value) +#endif /* * For the 16C950 @@ -494,7 +528,8 @@ static void disable_rsa(struct uart_8250_port *up) */ static int size_fifo(struct uart_8250_port *up) { - unsigned char old_fcr, old_mcr, old_dll, old_dlm, old_lcr; + unsigned char old_fcr, old_mcr, old_lcr; + unsigned short old_dl; int count; old_lcr = serial_inp(up, UART_LCR); @@ -505,10 +540,8 @@ static int size_fifo(struct uart_8250_port *up) UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT); serial_outp(up, UART_MCR, UART_MCR_LOOP); serial_outp(up, UART_LCR, UART_LCR_DLAB); - old_dll = serial_inp(up, UART_DLL); - old_dlm = serial_inp(up, UART_DLM); - serial_outp(up, UART_DLL, 0x01); - serial_outp(up, UART_DLM, 0x00); + old_dl = serial_dl_read(up); + serial_dl_write(up, 0x0001); serial_outp(up, UART_LCR, 0x03); for (count = 0; count < 256; count++) serial_outp(up, UART_TX, count); @@ -519,8 +552,7 @@ static int size_fifo(struct uart_8250_port *up) serial_outp(up, UART_FCR, old_fcr); serial_outp(up, UART_MCR, old_mcr); serial_outp(up, UART_LCR, UART_LCR_DLAB); - serial_outp(up, UART_DLL, old_dll); - serial_outp(up, UART_DLM, old_dlm); + serial_dl_write(up, old_dl); serial_outp(up, UART_LCR, old_lcr); return count; @@ -750,8 +782,7 @@ static void autoconfig_16550a(struct uart_8250_port *up) serial_outp(up, UART_LCR, 0xE0); - quot = serial_inp(up, UART_DLM) << 8; - quot += serial_inp(up, UART_DLL); + quot = serial_dl_read(up); quot <<= 3; status1 = serial_in(up, 0x04); /* EXCR1 */ @@ -759,8 +790,7 @@ static void autoconfig_16550a(struct uart_8250_port *up) status1 |= 0x10; /* 1.625 divisor for baud_base --> 921600 */ serial_outp(up, 0x04, status1); - serial_outp(up, UART_DLL, quot & 0xff); - serial_outp(up, UART_DLM, quot >> 8); + serial_dl_write(up, quot); serial_outp(up, UART_LCR, 0); @@ -1862,8 +1892,7 @@ serial8250_set_termios(struct uart_port *port, struct termios *termios, serial_outp(up, UART_LCR, cval | UART_LCR_DLAB);/* set DLAB */ } - serial_outp(up, UART_DLL, quot & 0xff); /* LS of divisor */ - serial_outp(up, UART_DLM, quot >> 8); /* MS of divisor */ + serial_dl_write(up, quot); /* * LCR DLAB must be set to enable 64-byte FIFO mode. If the FCR @@ -1906,6 +1935,9 @@ static int serial8250_request_std_resource(struct uart_8250_port *up) int ret = 0; switch (up->port.iotype) { + case UPIO_AU: + size = 0x100000; + /* fall thru */ case UPIO_MEM: if (!up->port.mapbase) break; @@ -1938,6 +1970,9 @@ static void serial8250_release_std_resource(struct uart_8250_port *up) unsigned int size = 8 << up->port.regshift; switch (up->port.iotype) { + case UPIO_AU: + size = 0x100000; + /* fall thru */ case UPIO_MEM: if (!up->port.mapbase) break; @@ -2200,10 +2235,17 @@ static void serial8250_console_write(struct console *co, const char *s, unsigned int count) { struct uart_8250_port *up = &serial8250_ports[co->index]; + unsigned long flags; unsigned int ier; + int locked = 1; touch_nmi_watchdog(); + if (oops_in_progress) { + locked = spin_trylock_irqsave(&up->port.lock, flags); + } else + spin_lock_irqsave(&up->port.lock, flags); + /* * First save the IER then disable the interrupts */ @@ -2221,8 +2263,10 @@ serial8250_console_write(struct console *co, const char *s, unsigned int count) * and restore the IER */ wait_for_xmitr(up, BOTH_EMPTY); - up->ier |= UART_IER_THRI; - serial_out(up, UART_IER, ier | UART_IER_THRI); + serial_out(up, UART_IER, ier); + + if (locked) + spin_unlock_irqrestore(&up->port.lock, flags); } static int serial8250_console_setup(struct console *co, char *options) diff --git a/drivers/serial/8250_au1x00.c b/drivers/serial/8250_au1x00.c index 3d1bfd07208d..58015fd14be9 100644 --- a/drivers/serial/8250_au1x00.c +++ b/drivers/serial/8250_au1x00.c @@ -30,13 +30,12 @@ { \ .iobase = _base, \ .membase = (void __iomem *)_base,\ - .mapbase = _base, \ + .mapbase = CPHYSADDR(_base), \ .irq = _irq, \ .uartclk = 0, /* filled */ \ .regshift = 2, \ .iotype = UPIO_AU, \ - .flags = UPF_SKIP_TEST | \ - UPF_IOREMAP, \ + .flags = UPF_SKIP_TEST \ } static struct plat_serial8250_port au1x00_data[] = { diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c index fcd7744c4253..17839e753e4c 100644 --- a/drivers/serial/serial_core.c +++ b/drivers/serial/serial_core.c @@ -1500,20 +1500,18 @@ uart_block_til_ready(struct file *filp, struct uart_state *state) static struct uart_state *uart_get(struct uart_driver *drv, int line) { struct uart_state *state; + int ret = 0; - mutex_lock(&port_mutex); state = drv->state + line; if (mutex_lock_interruptible(&state->mutex)) { - state = ERR_PTR(-ERESTARTSYS); - goto out; + ret = -ERESTARTSYS; + goto err; } state->count++; - if (!state->port) { - state->count--; - mutex_unlock(&state->mutex); - state = ERR_PTR(-ENXIO); - goto out; + if (!state->port || state->port->flags & UPF_DEAD) { + ret = -ENXIO; + goto err_unlock; } if (!state->info) { @@ -1531,15 +1529,17 @@ static struct uart_state *uart_get(struct uart_driver *drv, int line) tasklet_init(&state->info->tlet, uart_tasklet_action, (unsigned long)state); } else { - state->count--; - mutex_unlock(&state->mutex); - state = ERR_PTR(-ENOMEM); + ret = -ENOMEM; + goto err_unlock; } } - - out: - mutex_unlock(&port_mutex); return state; + + err_unlock: + state->count--; + mutex_unlock(&state->mutex); + err: + return ERR_PTR(ret); } /* @@ -1907,9 +1907,12 @@ uart_set_options(struct uart_port *port, struct console *co, static void uart_change_pm(struct uart_state *state, int pm_state) { struct uart_port *port = state->port; - if (port->ops->pm) - port->ops->pm(port, pm_state, state->pm_state); - state->pm_state = pm_state; + + if (state->pm_state != pm_state) { + if (port->ops->pm) + port->ops->pm(port, pm_state, state->pm_state); + state->pm_state = pm_state; + } } int uart_suspend_port(struct uart_driver *drv, struct uart_port *port) @@ -2085,45 +2088,6 @@ uart_configure_port(struct uart_driver *drv, struct uart_state *state, } } -/* - * This reverses the effects of uart_configure_port, hanging up the - * port before removal. - */ -static void -uart_unconfigure_port(struct uart_driver *drv, struct uart_state *state) -{ - struct uart_port *port = state->port; - struct uart_info *info = state->info; - - if (info && info->tty) - tty_vhangup(info->tty); - - mutex_lock(&state->mutex); - - state->info = NULL; - - /* - * Free the port IO and memory resources, if any. - */ - if (port->type != PORT_UNKNOWN) - port->ops->release_port(port); - - /* - * Indicate that there isn't a port here anymore. - */ - port->type = PORT_UNKNOWN; - - /* - * Kill the tasklet, and free resources. - */ - if (info) { - tasklet_kill(&info->tlet); - kfree(info); - } - - mutex_unlock(&state->mutex); -} - static struct tty_operations uart_ops = { .open = uart_open, .close = uart_close, @@ -2270,6 +2234,7 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *port) state = drv->state + port->line; mutex_lock(&port_mutex); + mutex_lock(&state->mutex); if (state->port) { ret = -EINVAL; goto out; @@ -2304,7 +2269,13 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *port) port->cons && !(port->cons->flags & CON_ENABLED)) register_console(port->cons); + /* + * Ensure UPF_DEAD is not set. + */ + port->flags &= ~UPF_DEAD; + out: + mutex_unlock(&state->mutex); mutex_unlock(&port_mutex); return ret; @@ -2322,6 +2293,7 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *port) int uart_remove_one_port(struct uart_driver *drv, struct uart_port *port) { struct uart_state *state = drv->state + port->line; + struct uart_info *info; BUG_ON(in_interrupt()); @@ -2332,11 +2304,48 @@ int uart_remove_one_port(struct uart_driver *drv, struct uart_port *port) mutex_lock(&port_mutex); /* + * Mark the port "dead" - this prevents any opens from + * succeeding while we shut down the port. + */ + mutex_lock(&state->mutex); + port->flags |= UPF_DEAD; + mutex_unlock(&state->mutex); + + /* * Remove the devices from devfs */ tty_unregister_device(drv->tty_driver, port->line); - uart_unconfigure_port(drv, state); + info = state->info; + if (info && info->tty) + tty_vhangup(info->tty); + + /* + * All users of this port should now be disconnected from + * this driver, and the port shut down. We should be the + * only thread fiddling with this port from now on. + */ + state->info = NULL; + + /* + * Free the port IO and memory resources, if any. + */ + if (port->type != PORT_UNKNOWN) + port->ops->release_port(port); + + /* + * Indicate that there isn't a port here anymore. + */ + port->type = PORT_UNKNOWN; + + /* + * Kill the tasklet, and free resources. + */ + if (info) { + tasklet_kill(&info->tlet); + kfree(info); + } + state->port = NULL; mutex_unlock(&port_mutex); diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c index 1c4396c2962d..2b4f96541b8e 100644 --- a/drivers/serial/sunsu.c +++ b/drivers/serial/sunsu.c @@ -1730,3 +1730,4 @@ static void __exit sunsu_exit(void) module_init(sunsu_probe); module_exit(sunsu_exit); +MODULE_LICENSE("GPL"); diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 7a75faeb0526..23334c8bc4c7 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -75,11 +75,45 @@ config SPI_BUTTERFLY inexpensive battery powered microcontroller evaluation board. This same cable can be used to flash new firmware. +config SPI_MPC83xx + tristate "Freescale MPC83xx SPI controller" + depends on SPI_MASTER && PPC_83xx && EXPERIMENTAL + select SPI_BITBANG + help + This enables using the Freescale MPC83xx SPI controller in master + mode. + + Note, this driver uniquely supports the SPI controller on the MPC83xx + family of PowerPC processors. The MPC83xx uses a simple set of shift + registers for data (opposed to the CPM based descriptor model). + +config SPI_PXA2XX + tristate "PXA2xx SSP SPI master" + depends on SPI_MASTER && ARCH_PXA && EXPERIMENTAL + help + This enables using a PXA2xx SSP port as a SPI master controller. + The driver can be configured to use any SSP port and additional + documentation can be found a Documentation/spi/pxa2xx. + +config SPI_S3C24XX_GPIO + tristate "Samsung S3C24XX series SPI by GPIO" + depends on SPI_MASTER && ARCH_S3C2410 && SPI_BITBANG && EXPERIMENTAL + help + SPI driver for Samsung S3C24XX series ARM SoCs using + GPIO lines to provide the SPI bus. This can be used where + the inbuilt hardware cannot provide the transfer mode, or + where the board is using non hardware connected pins. # # Add new SPI master controllers in alphabetical order above this line # +config SPI_S3C24XX + tristate "Samsung S3C24XX series SPI" + depends on SPI_MASTER && ARCH_S3C2410 && EXPERIMENTAL + help + SPI driver for Samsung S3C24XX series ARM SoCs + # # There are lots of SPI device types, with sensors and memory # being probably the most widely used ones. diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile index c2c87e845abf..8f4cb67997b3 100644 --- a/drivers/spi/Makefile +++ b/drivers/spi/Makefile @@ -13,6 +13,10 @@ obj-$(CONFIG_SPI_MASTER) += spi.o # SPI master controller drivers (bus) obj-$(CONFIG_SPI_BITBANG) += spi_bitbang.o obj-$(CONFIG_SPI_BUTTERFLY) += spi_butterfly.o +obj-$(CONFIG_SPI_PXA2XX) += pxa2xx_spi.o +obj-$(CONFIG_SPI_MPC83xx) += spi_mpc83xx.o +obj-$(CONFIG_SPI_S3C24XX_GPIO) += spi_s3c24xx_gpio.o +obj-$(CONFIG_SPI_S3C24XX) += spi_s3c24xx.o # ... add above this line ... # SPI protocol drivers (device/link on bus) diff --git a/drivers/spi/pxa2xx_spi.c b/drivers/spi/pxa2xx_spi.c new file mode 100644 index 000000000000..29aec77f98be --- /dev/null +++ b/drivers/spi/pxa2xx_spi.c @@ -0,0 +1,1486 @@ +/* + * Copyright (C) 2005 Stephen Street / StreetFire Sound Labs + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/device.h> +#include <linux/ioport.h> +#include <linux/errno.h> +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <linux/dma-mapping.h> +#include <linux/spi/spi.h> +#include <linux/workqueue.h> +#include <linux/errno.h> +#include <linux/delay.h> + +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/hardware.h> +#include <asm/delay.h> +#include <asm/dma.h> + +#include <asm/arch/hardware.h> +#include <asm/arch/pxa-regs.h> +#include <asm/arch/pxa2xx_spi.h> + +MODULE_AUTHOR("Stephen Street"); +MODULE_DESCRIPTION("PXA2xx SSP SPI Contoller"); +MODULE_LICENSE("GPL"); + +#define MAX_BUSES 3 + +#define DMA_INT_MASK (DCSR_ENDINTR | DCSR_STARTINTR | DCSR_BUSERR) +#define RESET_DMA_CHANNEL (DCSR_NODESC | DMA_INT_MASK) +#define IS_DMA_ALIGNED(x) (((u32)(x)&0x07)==0) + +#define DEFINE_SSP_REG(reg, off) \ +static inline u32 read_##reg(void *p) { return __raw_readl(p + (off)); } \ +static inline void write_##reg(u32 v, void *p) { __raw_writel(v, p + (off)); } + +DEFINE_SSP_REG(SSCR0, 0x00) +DEFINE_SSP_REG(SSCR1, 0x04) +DEFINE_SSP_REG(SSSR, 0x08) +DEFINE_SSP_REG(SSITR, 0x0c) +DEFINE_SSP_REG(SSDR, 0x10) +DEFINE_SSP_REG(SSTO, 0x28) +DEFINE_SSP_REG(SSPSP, 0x2c) + +#define START_STATE ((void*)0) +#define RUNNING_STATE ((void*)1) +#define DONE_STATE ((void*)2) +#define ERROR_STATE ((void*)-1) + +#define QUEUE_RUNNING 0 +#define QUEUE_STOPPED 1 + +struct driver_data { + /* Driver model hookup */ + struct platform_device *pdev; + + /* SPI framework hookup */ + enum pxa_ssp_type ssp_type; + struct spi_master *master; + + /* PXA hookup */ + struct pxa2xx_spi_master *master_info; + + /* DMA setup stuff */ + int rx_channel; + int tx_channel; + u32 *null_dma_buf; + + /* SSP register addresses */ + void *ioaddr; + u32 ssdr_physical; + + /* SSP masks*/ + u32 dma_cr1; + u32 int_cr1; + u32 clear_sr; + u32 mask_sr; + + /* Driver message queue */ + struct workqueue_struct *workqueue; + struct work_struct pump_messages; + spinlock_t lock; + struct list_head queue; + int busy; + int run; + + /* Message Transfer pump */ + struct tasklet_struct pump_transfers; + + /* Current message transfer state info */ + struct spi_message* cur_msg; + struct spi_transfer* cur_transfer; + struct chip_data *cur_chip; + size_t len; + void *tx; + void *tx_end; + void *rx; + void *rx_end; + int dma_mapped; + dma_addr_t rx_dma; + dma_addr_t tx_dma; + size_t rx_map_len; + size_t tx_map_len; + u8 n_bytes; + u32 dma_width; + int cs_change; + void (*write)(struct driver_data *drv_data); + void (*read)(struct driver_data *drv_data); + irqreturn_t (*transfer_handler)(struct driver_data *drv_data); + void (*cs_control)(u32 command); +}; + +struct chip_data { + u32 cr0; + u32 cr1; + u32 to; + u32 psp; + u32 timeout; + u8 n_bytes; + u32 dma_width; + u32 dma_burst_size; + u32 threshold; + u32 dma_threshold; + u8 enable_dma; + u8 bits_per_word; + u32 speed_hz; + void (*write)(struct driver_data *drv_data); + void (*read)(struct driver_data *drv_data); + void (*cs_control)(u32 command); +}; + +static void pump_messages(void *data); + +static int flush(struct driver_data *drv_data) +{ + unsigned long limit = loops_per_jiffy << 1; + + void *reg = drv_data->ioaddr; + + do { + while (read_SSSR(reg) & SSSR_RNE) { + read_SSDR(reg); + } + } while ((read_SSSR(reg) & SSSR_BSY) && limit--); + write_SSSR(SSSR_ROR, reg); + + return limit; +} + +static void restore_state(struct driver_data *drv_data) +{ + void *reg = drv_data->ioaddr; + + /* Clear status and disable clock */ + write_SSSR(drv_data->clear_sr, reg); + write_SSCR0(drv_data->cur_chip->cr0 & ~SSCR0_SSE, reg); + + /* Load the registers */ + write_SSCR1(drv_data->cur_chip->cr1, reg); + write_SSCR0(drv_data->cur_chip->cr0, reg); + if (drv_data->ssp_type != PXA25x_SSP) { + write_SSTO(0, reg); + write_SSPSP(drv_data->cur_chip->psp, reg); + } +} + +static void null_cs_control(u32 command) +{ +} + +static void null_writer(struct driver_data *drv_data) +{ + void *reg = drv_data->ioaddr; + u8 n_bytes = drv_data->n_bytes; + + while ((read_SSSR(reg) & SSSR_TNF) + && (drv_data->tx < drv_data->tx_end)) { + write_SSDR(0, reg); + drv_data->tx += n_bytes; + } +} + +static void null_reader(struct driver_data *drv_data) +{ + void *reg = drv_data->ioaddr; + u8 n_bytes = drv_data->n_bytes; + + while ((read_SSSR(reg) & SSSR_RNE) + && (drv_data->rx < drv_data->rx_end)) { + read_SSDR(reg); + drv_data->rx += n_bytes; + } +} + +static void u8_writer(struct driver_data *drv_data) +{ + void *reg = drv_data->ioaddr; + + while ((read_SSSR(reg) & SSSR_TNF) + && (drv_data->tx < drv_data->tx_end)) { + write_SSDR(*(u8 *)(drv_data->tx), reg); + ++drv_data->tx; + } +} + +static void u8_reader(struct driver_data *drv_data) +{ + void *reg = drv_data->ioaddr; + + while ((read_SSSR(reg) & SSSR_RNE) + && (drv_data->rx < drv_data->rx_end)) { + *(u8 *)(drv_data->rx) = read_SSDR(reg); + ++drv_data->rx; + } +} + +static void u16_writer(struct driver_data *drv_data) +{ + void *reg = drv_data->ioaddr; + + while ((read_SSSR(reg) & SSSR_TNF) + && (drv_data->tx < drv_data->tx_end)) { + write_SSDR(*(u16 *)(drv_data->tx), reg); + drv_data->tx += 2; + } +} + +static void u16_reader(struct driver_data *drv_data) +{ + void *reg = drv_data->ioaddr; + + while ((read_SSSR(reg) & SSSR_RNE) + && (drv_data->rx < drv_data->rx_end)) { + *(u16 *)(drv_data->rx) = read_SSDR(reg); + drv_data->rx += 2; + } +} +static void u32_writer(struct driver_data *drv_data) +{ + void *reg = drv_data->ioaddr; + + while ((read_SSSR(reg) & SSSR_TNF) + && (drv_data->tx < drv_data->tx_end)) { + write_SSDR(*(u32 *)(drv_data->tx), reg); + drv_data->tx += 4; + } +} + +static void u32_reader(struct driver_data *drv_data) +{ + void *reg = drv_data->ioaddr; + + while ((read_SSSR(reg) & SSSR_RNE) + && (drv_data->rx < drv_data->rx_end)) { + *(u32 *)(drv_data->rx) = read_SSDR(reg); + drv_data->rx += 4; + } +} + +static void *next_transfer(struct driver_data *drv_data) +{ + struct spi_message *msg = drv_data->cur_msg; + struct spi_transfer *trans = drv_data->cur_transfer; + + /* Move to next transfer */ + if (trans->transfer_list.next != &msg->transfers) { + drv_data->cur_transfer = + list_entry(trans->transfer_list.next, + struct spi_transfer, + transfer_list); + return RUNNING_STATE; + } else + return DONE_STATE; +} + +static int map_dma_buffers(struct driver_data *drv_data) +{ + struct spi_message *msg = drv_data->cur_msg; + struct device *dev = &msg->spi->dev; + + if (!drv_data->cur_chip->enable_dma) + return 0; + + if (msg->is_dma_mapped) + return drv_data->rx_dma && drv_data->tx_dma; + + if (!IS_DMA_ALIGNED(drv_data->rx) || !IS_DMA_ALIGNED(drv_data->tx)) + return 0; + + /* Modify setup if rx buffer is null */ + if (drv_data->rx == NULL) { + *drv_data->null_dma_buf = 0; + drv_data->rx = drv_data->null_dma_buf; + drv_data->rx_map_len = 4; + } else + drv_data->rx_map_len = drv_data->len; + + + /* Modify setup if tx buffer is null */ + if (drv_data->tx == NULL) { + *drv_data->null_dma_buf = 0; + drv_data->tx = drv_data->null_dma_buf; + drv_data->tx_map_len = 4; + } else + drv_data->tx_map_len = drv_data->len; + + /* Stream map the rx buffer */ + drv_data->rx_dma = dma_map_single(dev, drv_data->rx, + drv_data->rx_map_len, + DMA_FROM_DEVICE); + if (dma_mapping_error(drv_data->rx_dma)) + return 0; + + /* Stream map the tx buffer */ + drv_data->tx_dma = dma_map_single(dev, drv_data->tx, + drv_data->tx_map_len, + DMA_TO_DEVICE); + + if (dma_mapping_error(drv_data->tx_dma)) { + dma_unmap_single(dev, drv_data->rx_dma, + drv_data->rx_map_len, DMA_FROM_DEVICE); + return 0; + } + + return 1; +} + +static void unmap_dma_buffers(struct driver_data *drv_data) +{ + struct device *dev; + + if (!drv_data->dma_mapped) + return; + + if (!drv_data->cur_msg->is_dma_mapped) { + dev = &drv_data->cur_msg->spi->dev; + dma_unmap_single(dev, drv_data->rx_dma, + drv_data->rx_map_len, DMA_FROM_DEVICE); + dma_unmap_single(dev, drv_data->tx_dma, + drv_data->tx_map_len, DMA_TO_DEVICE); + } + + drv_data->dma_mapped = 0; +} + +/* caller already set message->status; dma and pio irqs are blocked */ +static void giveback(struct driver_data *drv_data) +{ + struct spi_transfer* last_transfer; + unsigned long flags; + struct spi_message *msg; + + spin_lock_irqsave(&drv_data->lock, flags); + msg = drv_data->cur_msg; + drv_data->cur_msg = NULL; + drv_data->cur_transfer = NULL; + drv_data->cur_chip = NULL; + queue_work(drv_data->workqueue, &drv_data->pump_messages); + spin_unlock_irqrestore(&drv_data->lock, flags); + + last_transfer = list_entry(msg->transfers.prev, + struct spi_transfer, + transfer_list); + + if (!last_transfer->cs_change) + drv_data->cs_control(PXA2XX_CS_DEASSERT); + + msg->state = NULL; + if (msg->complete) + msg->complete(msg->context); +} + +static int wait_ssp_rx_stall(void *ioaddr) +{ + unsigned long limit = loops_per_jiffy << 1; + + while ((read_SSSR(ioaddr) & SSSR_BSY) && limit--) + cpu_relax(); + + return limit; +} + +static int wait_dma_channel_stop(int channel) +{ + unsigned long limit = loops_per_jiffy << 1; + + while (!(DCSR(channel) & DCSR_STOPSTATE) && limit--) + cpu_relax(); + + return limit; +} + +static void dma_handler(int channel, void *data, struct pt_regs *regs) +{ + struct driver_data *drv_data = data; + struct spi_message *msg = drv_data->cur_msg; + void *reg = drv_data->ioaddr; + u32 irq_status = DCSR(channel) & DMA_INT_MASK; + u32 trailing_sssr = 0; + + if (irq_status & DCSR_BUSERR) { + + /* Disable interrupts, clear status and reset DMA */ + write_SSCR0(read_SSCR0(reg) & ~SSCR0_SSE, reg); + write_SSCR1(read_SSCR1(reg) & ~drv_data->dma_cr1, reg); + if (drv_data->ssp_type != PXA25x_SSP) + write_SSTO(0, reg); + write_SSSR(drv_data->clear_sr, reg); + DCSR(drv_data->rx_channel) = RESET_DMA_CHANNEL; + DCSR(drv_data->tx_channel) = RESET_DMA_CHANNEL; + + if (flush(drv_data) == 0) + dev_err(&drv_data->pdev->dev, + "dma_handler: flush fail\n"); + + unmap_dma_buffers(drv_data); + + if (channel == drv_data->tx_channel) + dev_err(&drv_data->pdev->dev, + "dma_handler: bad bus address on " + "tx channel %d, source %x target = %x\n", + channel, DSADR(channel), DTADR(channel)); + else + dev_err(&drv_data->pdev->dev, + "dma_handler: bad bus address on " + "rx channel %d, source %x target = %x\n", + channel, DSADR(channel), DTADR(channel)); + + msg->state = ERROR_STATE; + tasklet_schedule(&drv_data->pump_transfers); + } + + /* PXA255x_SSP has no timeout interrupt, wait for tailing bytes */ + if ((drv_data->ssp_type == PXA25x_SSP) + && (channel == drv_data->tx_channel) + && (irq_status & DCSR_ENDINTR)) { + + /* Wait for rx to stall */ + if (wait_ssp_rx_stall(drv_data->ioaddr) == 0) + dev_err(&drv_data->pdev->dev, + "dma_handler: ssp rx stall failed\n"); + + /* Clear and disable interrupts on SSP and DMA channels*/ + write_SSCR1(read_SSCR1(reg) & ~drv_data->dma_cr1, reg); + write_SSSR(drv_data->clear_sr, reg); + DCSR(drv_data->tx_channel) = RESET_DMA_CHANNEL; + DCSR(drv_data->rx_channel) = RESET_DMA_CHANNEL; + if (wait_dma_channel_stop(drv_data->rx_channel) == 0) + dev_err(&drv_data->pdev->dev, + "dma_handler: dma rx channel stop failed\n"); + + unmap_dma_buffers(drv_data); + + /* Read trailing bytes */ + /* Calculate number of trailing bytes, read them */ + trailing_sssr = read_SSSR(reg); + if ((trailing_sssr & 0xf008) != 0xf000) { + drv_data->rx = drv_data->rx_end - + (((trailing_sssr >> 12) & 0x0f) + 1); + drv_data->read(drv_data); + } + msg->actual_length += drv_data->len; + + /* Release chip select if requested, transfer delays are + * handled in pump_transfers */ + if (drv_data->cs_change) + drv_data->cs_control(PXA2XX_CS_DEASSERT); + + /* Move to next transfer */ + msg->state = next_transfer(drv_data); + + /* Schedule transfer tasklet */ + tasklet_schedule(&drv_data->pump_transfers); + } +} + +static irqreturn_t dma_transfer(struct driver_data *drv_data) +{ + u32 irq_status; + u32 trailing_sssr = 0; + struct spi_message *msg = drv_data->cur_msg; + void *reg = drv_data->ioaddr; + + irq_status = read_SSSR(reg) & drv_data->mask_sr; + if (irq_status & SSSR_ROR) { + /* Clear and disable interrupts on SSP and DMA channels*/ + write_SSCR0(read_SSCR0(reg) & ~SSCR0_SSE, reg); + write_SSCR1(read_SSCR1(reg) & ~drv_data->dma_cr1, reg); + if (drv_data->ssp_type != PXA25x_SSP) + write_SSTO(0, reg); + write_SSSR(drv_data->clear_sr, reg); + DCSR(drv_data->tx_channel) = RESET_DMA_CHANNEL; + DCSR(drv_data->rx_channel) = RESET_DMA_CHANNEL; + unmap_dma_buffers(drv_data); + + if (flush(drv_data) == 0) + dev_err(&drv_data->pdev->dev, + "dma_transfer: flush fail\n"); + + dev_warn(&drv_data->pdev->dev, "dma_transfer: fifo overun\n"); + + drv_data->cur_msg->state = ERROR_STATE; + tasklet_schedule(&drv_data->pump_transfers); + + return IRQ_HANDLED; + } + + /* Check for false positive timeout */ + if ((irq_status & SSSR_TINT) && DCSR(drv_data->tx_channel) & DCSR_RUN) { + write_SSSR(SSSR_TINT, reg); + return IRQ_HANDLED; + } + + if (irq_status & SSSR_TINT || drv_data->rx == drv_data->rx_end) { + + /* Clear and disable interrupts on SSP and DMA channels*/ + write_SSCR1(read_SSCR1(reg) & ~drv_data->dma_cr1, reg); + if (drv_data->ssp_type != PXA25x_SSP) + write_SSTO(0, reg); + write_SSSR(drv_data->clear_sr, reg); + DCSR(drv_data->tx_channel) = RESET_DMA_CHANNEL; + DCSR(drv_data->rx_channel) = RESET_DMA_CHANNEL; + + if (wait_dma_channel_stop(drv_data->rx_channel) == 0) + dev_err(&drv_data->pdev->dev, + "dma_transfer: dma rx channel stop failed\n"); + + if (wait_ssp_rx_stall(drv_data->ioaddr) == 0) + dev_err(&drv_data->pdev->dev, + "dma_transfer: ssp rx stall failed\n"); + + unmap_dma_buffers(drv_data); + + /* Calculate number of trailing bytes, read them */ + trailing_sssr = read_SSSR(reg); + if ((trailing_sssr & 0xf008) != 0xf000) { + drv_data->rx = drv_data->rx_end - + (((trailing_sssr >> 12) & 0x0f) + 1); + drv_data->read(drv_data); + } + msg->actual_length += drv_data->len; + + /* Release chip select if requested, transfer delays are + * handled in pump_transfers */ + if (drv_data->cs_change) + drv_data->cs_control(PXA2XX_CS_DEASSERT); + + /* Move to next transfer */ + msg->state = next_transfer(drv_data); + + /* Schedule transfer tasklet */ + tasklet_schedule(&drv_data->pump_transfers); + + return IRQ_HANDLED; + } + + /* Opps problem detected */ + return IRQ_NONE; +} + +static irqreturn_t interrupt_transfer(struct driver_data *drv_data) +{ + struct spi_message *msg = drv_data->cur_msg; + void *reg = drv_data->ioaddr; + unsigned long limit = loops_per_jiffy << 1; + u32 irq_status; + u32 irq_mask = (read_SSCR1(reg) & SSCR1_TIE) ? + drv_data->mask_sr : drv_data->mask_sr & ~SSSR_TFS; + + while ((irq_status = read_SSSR(reg) & irq_mask)) { + + if (irq_status & SSSR_ROR) { + + /* Clear and disable interrupts */ + write_SSCR0(read_SSCR0(reg) & ~SSCR0_SSE, reg); + write_SSCR1(read_SSCR1(reg) & ~drv_data->int_cr1, reg); + if (drv_data->ssp_type != PXA25x_SSP) + write_SSTO(0, reg); + write_SSSR(drv_data->clear_sr, reg); + + if (flush(drv_data) == 0) + dev_err(&drv_data->pdev->dev, + "interrupt_transfer: flush fail\n"); + + /* Stop the SSP */ + + dev_warn(&drv_data->pdev->dev, + "interrupt_transfer: fifo overun\n"); + + msg->state = ERROR_STATE; + tasklet_schedule(&drv_data->pump_transfers); + + return IRQ_HANDLED; + } + + /* Look for false positive timeout */ + if ((irq_status & SSSR_TINT) + && (drv_data->rx < drv_data->rx_end)) + write_SSSR(SSSR_TINT, reg); + + /* Pump data */ + drv_data->read(drv_data); + drv_data->write(drv_data); + + if (drv_data->tx == drv_data->tx_end) { + /* Disable tx interrupt */ + write_SSCR1(read_SSCR1(reg) & ~SSCR1_TIE, reg); + irq_mask = drv_data->mask_sr & ~SSSR_TFS; + + /* PXA25x_SSP has no timeout, read trailing bytes */ + if (drv_data->ssp_type == PXA25x_SSP) { + while ((read_SSSR(reg) & SSSR_BSY) && limit--) + drv_data->read(drv_data); + + if (limit == 0) + dev_err(&drv_data->pdev->dev, + "interrupt_transfer: " + "trailing byte read failed\n"); + } + } + + if ((irq_status & SSSR_TINT) + || (drv_data->rx == drv_data->rx_end)) { + + /* Clear timeout */ + write_SSCR1(read_SSCR1(reg) & ~drv_data->int_cr1, reg); + if (drv_data->ssp_type != PXA25x_SSP) + write_SSTO(0, reg); + write_SSSR(drv_data->clear_sr, reg); + + /* Update total byte transfered */ + msg->actual_length += drv_data->len; + + /* Release chip select if requested, transfer delays are + * handled in pump_transfers */ + if (drv_data->cs_change) + drv_data->cs_control(PXA2XX_CS_DEASSERT); + + /* Move to next transfer */ + msg->state = next_transfer(drv_data); + + /* Schedule transfer tasklet */ + tasklet_schedule(&drv_data->pump_transfers); + } + } + + /* We did something */ + return IRQ_HANDLED; +} + +static irqreturn_t ssp_int(int irq, void *dev_id, struct pt_regs *regs) +{ + struct driver_data *drv_data = (struct driver_data *)dev_id; + void *reg = drv_data->ioaddr; + + if (!drv_data->cur_msg) { + + write_SSCR0(read_SSCR0(reg) & ~SSCR0_SSE, reg); + write_SSCR1(read_SSCR1(reg) & ~drv_data->int_cr1, reg); + if (drv_data->ssp_type != PXA25x_SSP) + write_SSTO(0, reg); + write_SSSR(drv_data->clear_sr, reg); + + dev_err(&drv_data->pdev->dev, "bad message state " + "in interrupt handler"); + + /* Never fail */ + return IRQ_HANDLED; + } + + return drv_data->transfer_handler(drv_data); +} + +static void pump_transfers(unsigned long data) +{ + struct driver_data *drv_data = (struct driver_data *)data; + struct spi_message *message = NULL; + struct spi_transfer *transfer = NULL; + struct spi_transfer *previous = NULL; + struct chip_data *chip = NULL; + void *reg = drv_data->ioaddr; + u32 clk_div = 0; + u8 bits = 0; + u32 speed = 0; + u32 cr0; + + /* Get current state information */ + message = drv_data->cur_msg; + transfer = drv_data->cur_transfer; + chip = drv_data->cur_chip; + + /* Handle for abort */ + if (message->state == ERROR_STATE) { + message->status = -EIO; + giveback(drv_data); + return; + } + + /* Handle end of message */ + if (message->state == DONE_STATE) { + message->status = 0; + giveback(drv_data); + return; + } + + /* Delay if requested at end of transfer*/ + if (message->state == RUNNING_STATE) { + previous = list_entry(transfer->transfer_list.prev, + struct spi_transfer, + transfer_list); + if (previous->delay_usecs) + udelay(previous->delay_usecs); + } + + /* Setup the transfer state based on the type of transfer */ + if (flush(drv_data) == 0) { + dev_err(&drv_data->pdev->dev, "pump_transfers: flush failed\n"); + message->status = -EIO; + giveback(drv_data); + return; + } + drv_data->n_bytes = chip->n_bytes; + drv_data->dma_width = chip->dma_width; + drv_data->cs_control = chip->cs_control; + drv_data->tx = (void *)transfer->tx_buf; + drv_data->tx_end = drv_data->tx + transfer->len; + drv_data->rx = transfer->rx_buf; + drv_data->rx_end = drv_data->rx + transfer->len; + drv_data->rx_dma = transfer->rx_dma; + drv_data->tx_dma = transfer->tx_dma; + drv_data->len = transfer->len; + drv_data->write = drv_data->tx ? chip->write : null_writer; + drv_data->read = drv_data->rx ? chip->read : null_reader; + drv_data->cs_change = transfer->cs_change; + + /* Change speed and bit per word on a per transfer */ + if (transfer->speed_hz || transfer->bits_per_word) { + + /* Disable clock */ + write_SSCR0(chip->cr0 & ~SSCR0_SSE, reg); + cr0 = chip->cr0; + bits = chip->bits_per_word; + speed = chip->speed_hz; + + if (transfer->speed_hz) + speed = transfer->speed_hz; + + if (transfer->bits_per_word) + bits = transfer->bits_per_word; + + if (reg == SSP1_VIRT) + clk_div = SSP1_SerClkDiv(speed); + else if (reg == SSP2_VIRT) + clk_div = SSP2_SerClkDiv(speed); + else if (reg == SSP3_VIRT) + clk_div = SSP3_SerClkDiv(speed); + + if (bits <= 8) { + drv_data->n_bytes = 1; + drv_data->dma_width = DCMD_WIDTH1; + drv_data->read = drv_data->read != null_reader ? + u8_reader : null_reader; + drv_data->write = drv_data->write != null_writer ? + u8_writer : null_writer; + } else if (bits <= 16) { + drv_data->n_bytes = 2; + drv_data->dma_width = DCMD_WIDTH2; + drv_data->read = drv_data->read != null_reader ? + u16_reader : null_reader; + drv_data->write = drv_data->write != null_writer ? + u16_writer : null_writer; + } else if (bits <= 32) { + drv_data->n_bytes = 4; + drv_data->dma_width = DCMD_WIDTH4; + drv_data->read = drv_data->read != null_reader ? + u32_reader : null_reader; + drv_data->write = drv_data->write != null_writer ? + u32_writer : null_writer; + } + + cr0 = clk_div + | SSCR0_Motorola + | SSCR0_DataSize(bits > 16 ? bits - 16 : bits) + | SSCR0_SSE + | (bits > 16 ? SSCR0_EDSS : 0); + + /* Start it back up */ + write_SSCR0(cr0, reg); + } + + message->state = RUNNING_STATE; + + /* Try to map dma buffer and do a dma transfer if successful */ + if ((drv_data->dma_mapped = map_dma_buffers(drv_data))) { + + /* Ensure we have the correct interrupt handler */ + drv_data->transfer_handler = dma_transfer; + + /* Setup rx DMA Channel */ + DCSR(drv_data->rx_channel) = RESET_DMA_CHANNEL; + DSADR(drv_data->rx_channel) = drv_data->ssdr_physical; + DTADR(drv_data->rx_channel) = drv_data->rx_dma; + if (drv_data->rx == drv_data->null_dma_buf) + /* No target address increment */ + DCMD(drv_data->rx_channel) = DCMD_FLOWSRC + | drv_data->dma_width + | chip->dma_burst_size + | drv_data->len; + else + DCMD(drv_data->rx_channel) = DCMD_INCTRGADDR + | DCMD_FLOWSRC + | drv_data->dma_width + | chip->dma_burst_size + | drv_data->len; + + /* Setup tx DMA Channel */ + DCSR(drv_data->tx_channel) = RESET_DMA_CHANNEL; + DSADR(drv_data->tx_channel) = drv_data->tx_dma; + DTADR(drv_data->tx_channel) = drv_data->ssdr_physical; + if (drv_data->tx == drv_data->null_dma_buf) + /* No source address increment */ + DCMD(drv_data->tx_channel) = DCMD_FLOWTRG + | drv_data->dma_width + | chip->dma_burst_size + | drv_data->len; + else + DCMD(drv_data->tx_channel) = DCMD_INCSRCADDR + | DCMD_FLOWTRG + | drv_data->dma_width + | chip->dma_burst_size + | drv_data->len; + + /* Enable dma end irqs on SSP to detect end of transfer */ + if (drv_data->ssp_type == PXA25x_SSP) + DCMD(drv_data->tx_channel) |= DCMD_ENDIRQEN; + + /* Fix me, need to handle cs polarity */ + drv_data->cs_control(PXA2XX_CS_ASSERT); + + /* Go baby, go */ + write_SSSR(drv_data->clear_sr, reg); + DCSR(drv_data->rx_channel) |= DCSR_RUN; + DCSR(drv_data->tx_channel) |= DCSR_RUN; + if (drv_data->ssp_type != PXA25x_SSP) + write_SSTO(chip->timeout, reg); + write_SSCR1(chip->cr1 + | chip->dma_threshold + | drv_data->dma_cr1, + reg); + } else { + /* Ensure we have the correct interrupt handler */ + drv_data->transfer_handler = interrupt_transfer; + + /* Fix me, need to handle cs polarity */ + drv_data->cs_control(PXA2XX_CS_ASSERT); + + /* Go baby, go */ + write_SSSR(drv_data->clear_sr, reg); + if (drv_data->ssp_type != PXA25x_SSP) + write_SSTO(chip->timeout, reg); + write_SSCR1(chip->cr1 + | chip->threshold + | drv_data->int_cr1, + reg); + } +} + +static void pump_messages(void *data) +{ + struct driver_data *drv_data = data; + unsigned long flags; + + /* Lock queue and check for queue work */ + spin_lock_irqsave(&drv_data->lock, flags); + if (list_empty(&drv_data->queue) || drv_data->run == QUEUE_STOPPED) { + drv_data->busy = 0; + spin_unlock_irqrestore(&drv_data->lock, flags); + return; + } + + /* Make sure we are not already running a message */ + if (drv_data->cur_msg) { + spin_unlock_irqrestore(&drv_data->lock, flags); + return; + } + + /* Extract head of queue */ + drv_data->cur_msg = list_entry(drv_data->queue.next, + struct spi_message, queue); + list_del_init(&drv_data->cur_msg->queue); + + /* Initial message state*/ + drv_data->cur_msg->state = START_STATE; + drv_data->cur_transfer = list_entry(drv_data->cur_msg->transfers.next, + struct spi_transfer, + transfer_list); + + /* Setup the SSP using the per chip configuration */ + drv_data->cur_chip = spi_get_ctldata(drv_data->cur_msg->spi); + restore_state(drv_data); + + /* Mark as busy and launch transfers */ + tasklet_schedule(&drv_data->pump_transfers); + + drv_data->busy = 1; + spin_unlock_irqrestore(&drv_data->lock, flags); +} + +static int transfer(struct spi_device *spi, struct spi_message *msg) +{ + struct driver_data *drv_data = spi_master_get_devdata(spi->master); + unsigned long flags; + + spin_lock_irqsave(&drv_data->lock, flags); + + if (drv_data->run == QUEUE_STOPPED) { + spin_unlock_irqrestore(&drv_data->lock, flags); + return -ESHUTDOWN; + } + + msg->actual_length = 0; + msg->status = -EINPROGRESS; + msg->state = START_STATE; + + list_add_tail(&msg->queue, &drv_data->queue); + + if (drv_data->run == QUEUE_RUNNING && !drv_data->busy) + queue_work(drv_data->workqueue, &drv_data->pump_messages); + + spin_unlock_irqrestore(&drv_data->lock, flags); + + return 0; +} + +static int setup(struct spi_device *spi) +{ + struct pxa2xx_spi_chip *chip_info = NULL; + struct chip_data *chip; + struct driver_data *drv_data = spi_master_get_devdata(spi->master); + unsigned int clk_div; + + if (!spi->bits_per_word) + spi->bits_per_word = 8; + + if (drv_data->ssp_type != PXA25x_SSP + && (spi->bits_per_word < 4 || spi->bits_per_word > 32)) + return -EINVAL; + else if (spi->bits_per_word < 4 || spi->bits_per_word > 16) + return -EINVAL; + + /* Only alloc (or use chip_info) on first setup */ + chip = spi_get_ctldata(spi); + if (chip == NULL) { + chip = kzalloc(sizeof(struct chip_data), GFP_KERNEL); + if (!chip) + return -ENOMEM; + + chip->cs_control = null_cs_control; + chip->enable_dma = 0; + chip->timeout = SSP_TIMEOUT(1000); + chip->threshold = SSCR1_RxTresh(1) | SSCR1_TxTresh(1); + chip->dma_burst_size = drv_data->master_info->enable_dma ? + DCMD_BURST8 : 0; + + chip_info = spi->controller_data; + } + + /* chip_info isn't always needed */ + if (chip_info) { + if (chip_info->cs_control) + chip->cs_control = chip_info->cs_control; + + chip->timeout = SSP_TIMEOUT(chip_info->timeout_microsecs); + + chip->threshold = SSCR1_RxTresh(chip_info->rx_threshold) + | SSCR1_TxTresh(chip_info->tx_threshold); + + chip->enable_dma = chip_info->dma_burst_size != 0 + && drv_data->master_info->enable_dma; + chip->dma_threshold = 0; + + if (chip->enable_dma) { + if (chip_info->dma_burst_size <= 8) { + chip->dma_threshold = SSCR1_RxTresh(8) + | SSCR1_TxTresh(8); + chip->dma_burst_size = DCMD_BURST8; + } else if (chip_info->dma_burst_size <= 16) { + chip->dma_threshold = SSCR1_RxTresh(16) + | SSCR1_TxTresh(16); + chip->dma_burst_size = DCMD_BURST16; + } else { + chip->dma_threshold = SSCR1_RxTresh(32) + | SSCR1_TxTresh(32); + chip->dma_burst_size = DCMD_BURST32; + } + } + + + if (chip_info->enable_loopback) + chip->cr1 = SSCR1_LBM; + } + + if (drv_data->ioaddr == SSP1_VIRT) + clk_div = SSP1_SerClkDiv(spi->max_speed_hz); + else if (drv_data->ioaddr == SSP2_VIRT) + clk_div = SSP2_SerClkDiv(spi->max_speed_hz); + else if (drv_data->ioaddr == SSP3_VIRT) + clk_div = SSP3_SerClkDiv(spi->max_speed_hz); + else + return -ENODEV; + chip->speed_hz = spi->max_speed_hz; + + chip->cr0 = clk_div + | SSCR0_Motorola + | SSCR0_DataSize(spi->bits_per_word > 16 ? + spi->bits_per_word - 16 : spi->bits_per_word) + | SSCR0_SSE + | (spi->bits_per_word > 16 ? SSCR0_EDSS : 0); + chip->cr1 |= (((spi->mode & SPI_CPHA) != 0) << 4) + | (((spi->mode & SPI_CPOL) != 0) << 3); + + /* NOTE: PXA25x_SSP _could_ use external clocking ... */ + if (drv_data->ssp_type != PXA25x_SSP) + dev_dbg(&spi->dev, "%d bits/word, %d Hz, mode %d\n", + spi->bits_per_word, + (CLOCK_SPEED_HZ) + / (1 + ((chip->cr0 & SSCR0_SCR) >> 8)), + spi->mode & 0x3); + else + dev_dbg(&spi->dev, "%d bits/word, %d Hz, mode %d\n", + spi->bits_per_word, + (CLOCK_SPEED_HZ/2) + / (1 + ((chip->cr0 & SSCR0_SCR) >> 8)), + spi->mode & 0x3); + + if (spi->bits_per_word <= 8) { + chip->n_bytes = 1; + chip->dma_width = DCMD_WIDTH1; + chip->read = u8_reader; + chip->write = u8_writer; + } else if (spi->bits_per_word <= 16) { + chip->n_bytes = 2; + chip->dma_width = DCMD_WIDTH2; + chip->read = u16_reader; + chip->write = u16_writer; + } else if (spi->bits_per_word <= 32) { + chip->cr0 |= SSCR0_EDSS; + chip->n_bytes = 4; + chip->dma_width = DCMD_WIDTH4; + chip->read = u32_reader; + chip->write = u32_writer; + } else { + dev_err(&spi->dev, "invalid wordsize\n"); + kfree(chip); + return -ENODEV; + } + chip->bits_per_word = spi->bits_per_word; + + spi_set_ctldata(spi, chip); + + return 0; +} + +static void cleanup(const struct spi_device *spi) +{ + struct chip_data *chip = spi_get_ctldata((struct spi_device *)spi); + + kfree(chip); +} + +static int init_queue(struct driver_data *drv_data) +{ + INIT_LIST_HEAD(&drv_data->queue); + spin_lock_init(&drv_data->lock); + + drv_data->run = QUEUE_STOPPED; + drv_data->busy = 0; + + tasklet_init(&drv_data->pump_transfers, + pump_transfers, (unsigned long)drv_data); + + INIT_WORK(&drv_data->pump_messages, pump_messages, drv_data); + drv_data->workqueue = create_singlethread_workqueue( + drv_data->master->cdev.dev->bus_id); + if (drv_data->workqueue == NULL) + return -EBUSY; + + return 0; +} + +static int start_queue(struct driver_data *drv_data) +{ + unsigned long flags; + + spin_lock_irqsave(&drv_data->lock, flags); + + if (drv_data->run == QUEUE_RUNNING || drv_data->busy) { + spin_unlock_irqrestore(&drv_data->lock, flags); + return -EBUSY; + } + + drv_data->run = QUEUE_RUNNING; + drv_data->cur_msg = NULL; + drv_data->cur_transfer = NULL; + drv_data->cur_chip = NULL; + spin_unlock_irqrestore(&drv_data->lock, flags); + + queue_work(drv_data->workqueue, &drv_data->pump_messages); + + return 0; +} + +static int stop_queue(struct driver_data *drv_data) +{ + unsigned long flags; + unsigned limit = 500; + int status = 0; + + spin_lock_irqsave(&drv_data->lock, flags); + + /* This is a bit lame, but is optimized for the common execution path. + * A wait_queue on the drv_data->busy could be used, but then the common + * execution path (pump_messages) would be required to call wake_up or + * friends on every SPI message. Do this instead */ + drv_data->run = QUEUE_STOPPED; + while (!list_empty(&drv_data->queue) && drv_data->busy && limit--) { + spin_unlock_irqrestore(&drv_data->lock, flags); + msleep(10); + spin_lock_irqsave(&drv_data->lock, flags); + } + + if (!list_empty(&drv_data->queue) || drv_data->busy) + status = -EBUSY; + + spin_unlock_irqrestore(&drv_data->lock, flags); + + return status; +} + +static int destroy_queue(struct driver_data *drv_data) +{ + int status; + + status = stop_queue(drv_data); + if (status != 0) + return status; + + destroy_workqueue(drv_data->workqueue); + + return 0; +} + +static int pxa2xx_spi_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct pxa2xx_spi_master *platform_info; + struct spi_master *master; + struct driver_data *drv_data = 0; + struct resource *memory_resource; + int irq; + int status = 0; + + platform_info = dev->platform_data; + + if (platform_info->ssp_type == SSP_UNDEFINED) { + dev_err(&pdev->dev, "undefined SSP\n"); + return -ENODEV; + } + + /* Allocate master with space for drv_data and null dma buffer */ + master = spi_alloc_master(dev, sizeof(struct driver_data) + 16); + if (!master) { + dev_err(&pdev->dev, "can not alloc spi_master\n"); + return -ENOMEM; + } + drv_data = spi_master_get_devdata(master); + drv_data->master = master; + drv_data->master_info = platform_info; + drv_data->pdev = pdev; + + master->bus_num = pdev->id; + master->num_chipselect = platform_info->num_chipselect; + master->cleanup = cleanup; + master->setup = setup; + master->transfer = transfer; + + drv_data->ssp_type = platform_info->ssp_type; + drv_data->null_dma_buf = (u32 *)ALIGN((u32)(drv_data + + sizeof(struct driver_data)), 8); + + /* Setup register addresses */ + memory_resource = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!memory_resource) { + dev_err(&pdev->dev, "memory resources not defined\n"); + status = -ENODEV; + goto out_error_master_alloc; + } + + drv_data->ioaddr = (void *)io_p2v((unsigned long)(memory_resource->start)); + drv_data->ssdr_physical = memory_resource->start + 0x00000010; + if (platform_info->ssp_type == PXA25x_SSP) { + drv_data->int_cr1 = SSCR1_TIE | SSCR1_RIE; + drv_data->dma_cr1 = 0; + drv_data->clear_sr = SSSR_ROR; + drv_data->mask_sr = SSSR_RFS | SSSR_TFS | SSSR_ROR; + } else { + drv_data->int_cr1 = SSCR1_TIE | SSCR1_RIE | SSCR1_TINTE; + drv_data->dma_cr1 = SSCR1_TSRE | SSCR1_RSRE | SSCR1_TINTE; + drv_data->clear_sr = SSSR_ROR | SSSR_TINT; + drv_data->mask_sr = SSSR_TINT | SSSR_RFS | SSSR_TFS | SSSR_ROR; + } + + /* Attach to IRQ */ + irq = platform_get_irq(pdev, 0); + if (irq < 0) { + dev_err(&pdev->dev, "irq resource not defined\n"); + status = -ENODEV; + goto out_error_master_alloc; + } + + status = request_irq(irq, ssp_int, 0, dev->bus_id, drv_data); + if (status < 0) { + dev_err(&pdev->dev, "can not get IRQ\n"); + goto out_error_master_alloc; + } + + /* Setup DMA if requested */ + drv_data->tx_channel = -1; + drv_data->rx_channel = -1; + if (platform_info->enable_dma) { + + /* Get two DMA channels (rx and tx) */ + drv_data->rx_channel = pxa_request_dma("pxa2xx_spi_ssp_rx", + DMA_PRIO_HIGH, + dma_handler, + drv_data); + if (drv_data->rx_channel < 0) { + dev_err(dev, "problem (%d) requesting rx channel\n", + drv_data->rx_channel); + status = -ENODEV; + goto out_error_irq_alloc; + } + drv_data->tx_channel = pxa_request_dma("pxa2xx_spi_ssp_tx", + DMA_PRIO_MEDIUM, + dma_handler, + drv_data); + if (drv_data->tx_channel < 0) { + dev_err(dev, "problem (%d) requesting tx channel\n", + drv_data->tx_channel); + status = -ENODEV; + goto out_error_dma_alloc; + } + + if (drv_data->ioaddr == SSP1_VIRT) { + DRCMRRXSSDR = DRCMR_MAPVLD + | drv_data->rx_channel; + DRCMRTXSSDR = DRCMR_MAPVLD + | drv_data->tx_channel; + } else if (drv_data->ioaddr == SSP2_VIRT) { + DRCMRRXSS2DR = DRCMR_MAPVLD + | drv_data->rx_channel; + DRCMRTXSS2DR = DRCMR_MAPVLD + | drv_data->tx_channel; + } else if (drv_data->ioaddr == SSP3_VIRT) { + DRCMRRXSS3DR = DRCMR_MAPVLD + | drv_data->rx_channel; + DRCMRTXSS3DR = DRCMR_MAPVLD + | drv_data->tx_channel; + } else { + dev_err(dev, "bad SSP type\n"); + goto out_error_dma_alloc; + } + } + + /* Enable SOC clock */ + pxa_set_cken(platform_info->clock_enable, 1); + + /* Load default SSP configuration */ + write_SSCR0(0, drv_data->ioaddr); + write_SSCR1(SSCR1_RxTresh(4) | SSCR1_TxTresh(12), drv_data->ioaddr); + write_SSCR0(SSCR0_SerClkDiv(2) + | SSCR0_Motorola + | SSCR0_DataSize(8), + drv_data->ioaddr); + if (drv_data->ssp_type != PXA25x_SSP) + write_SSTO(0, drv_data->ioaddr); + write_SSPSP(0, drv_data->ioaddr); + + /* Initial and start queue */ + status = init_queue(drv_data); + if (status != 0) { + dev_err(&pdev->dev, "problem initializing queue\n"); + goto out_error_clock_enabled; + } + status = start_queue(drv_data); + if (status != 0) { + dev_err(&pdev->dev, "problem starting queue\n"); + goto out_error_clock_enabled; + } + + /* Register with the SPI framework */ + platform_set_drvdata(pdev, drv_data); + status = spi_register_master(master); + if (status != 0) { + dev_err(&pdev->dev, "problem registering spi master\n"); + goto out_error_queue_alloc; + } + + return status; + +out_error_queue_alloc: + destroy_queue(drv_data); + +out_error_clock_enabled: + pxa_set_cken(platform_info->clock_enable, 0); + +out_error_dma_alloc: + if (drv_data->tx_channel != -1) + pxa_free_dma(drv_data->tx_channel); + if (drv_data->rx_channel != -1) + pxa_free_dma(drv_data->rx_channel); + +out_error_irq_alloc: + free_irq(irq, drv_data); + +out_error_master_alloc: + spi_master_put(master); + return status; +} + +static int pxa2xx_spi_remove(struct platform_device *pdev) +{ + struct driver_data *drv_data = platform_get_drvdata(pdev); + int irq; + int status = 0; + + if (!drv_data) + return 0; + + /* Remove the queue */ + status = destroy_queue(drv_data); + if (status != 0) + return status; + + /* Disable the SSP at the peripheral and SOC level */ + write_SSCR0(0, drv_data->ioaddr); + pxa_set_cken(drv_data->master_info->clock_enable, 0); + + /* Release DMA */ + if (drv_data->master_info->enable_dma) { + if (drv_data->ioaddr == SSP1_VIRT) { + DRCMRRXSSDR = 0; + DRCMRTXSSDR = 0; + } else if (drv_data->ioaddr == SSP2_VIRT) { + DRCMRRXSS2DR = 0; + DRCMRTXSS2DR = 0; + } else if (drv_data->ioaddr == SSP3_VIRT) { + DRCMRRXSS3DR = 0; + DRCMRTXSS3DR = 0; + } + pxa_free_dma(drv_data->tx_channel); + pxa_free_dma(drv_data->rx_channel); + } + + /* Release IRQ */ + irq = platform_get_irq(pdev, 0); + if (irq >= 0) + free_irq(irq, drv_data); + + /* Disconnect from the SPI framework */ + spi_unregister_master(drv_data->master); + + /* Prevent double remove */ + platform_set_drvdata(pdev, NULL); + + return 0; +} + +static void pxa2xx_spi_shutdown(struct platform_device *pdev) +{ + int status = 0; + + if ((status = pxa2xx_spi_remove(pdev)) != 0) + dev_err(&pdev->dev, "shutdown failed with %d\n", status); +} + +#ifdef CONFIG_PM +static int suspend_devices(struct device *dev, void *pm_message) +{ + pm_message_t *state = pm_message; + + if (dev->power.power_state.event != state->event) { + dev_warn(dev, "pm state does not match request\n"); + return -1; + } + + return 0; +} + +static int pxa2xx_spi_suspend(struct platform_device *pdev, pm_message_t state) +{ + struct driver_data *drv_data = platform_get_drvdata(pdev); + int status = 0; + + /* Check all childern for current power state */ + if (device_for_each_child(&pdev->dev, &state, suspend_devices) != 0) { + dev_warn(&pdev->dev, "suspend aborted\n"); + return -1; + } + + status = stop_queue(drv_data); + if (status != 0) + return status; + write_SSCR0(0, drv_data->ioaddr); + pxa_set_cken(drv_data->master_info->clock_enable, 0); + + return 0; +} + +static int pxa2xx_spi_resume(struct platform_device *pdev) +{ + struct driver_data *drv_data = platform_get_drvdata(pdev); + int status = 0; + + /* Enable the SSP clock */ + pxa_set_cken(drv_data->master_info->clock_enable, 1); + + /* Start the queue running */ + status = start_queue(drv_data); + if (status != 0) { + dev_err(&pdev->dev, "problem starting queue (%d)\n", status); + return status; + } + + return 0; +} +#else +#define pxa2xx_spi_suspend NULL +#define pxa2xx_spi_resume NULL +#endif /* CONFIG_PM */ + +static struct platform_driver driver = { + .driver = { + .name = "pxa2xx-spi", + .bus = &platform_bus_type, + .owner = THIS_MODULE, + }, + .probe = pxa2xx_spi_probe, + .remove = __devexit_p(pxa2xx_spi_remove), + .shutdown = pxa2xx_spi_shutdown, + .suspend = pxa2xx_spi_suspend, + .resume = pxa2xx_spi_resume, +}; + +static int __init pxa2xx_spi_init(void) +{ + platform_driver_register(&driver); + + return 0; +} +module_init(pxa2xx_spi_init); + +static void __exit pxa2xx_spi_exit(void) +{ + platform_driver_unregister(&driver); +} +module_exit(pxa2xx_spi_exit); diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 94f5e8ed83a7..1cea4a6799fe 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -338,18 +338,18 @@ static struct class spi_master_class = { * spi_alloc_master - allocate SPI master controller * @dev: the controller, possibly using the platform_bus * @size: how much driver-private data to preallocate; the pointer to this - * memory is in the class_data field of the returned class_device, + * memory is in the class_data field of the returned class_device, * accessible with spi_master_get_devdata(). * * This call is used only by SPI master controller drivers, which are the * only ones directly touching chip registers. It's how they allocate - * an spi_master structure, prior to calling spi_add_master(). + * an spi_master structure, prior to calling spi_register_master(). * * This must be called from context that can sleep. It returns the SPI * master structure on success, else NULL. * * The caller is responsible for assigning the bus number and initializing - * the master's methods before calling spi_add_master(); and (after errors + * the master's methods before calling spi_register_master(); and (after errors * adding the device) calling spi_master_put() to prevent a memory leak. */ struct spi_master * __init_or_module @@ -395,7 +395,7 @@ EXPORT_SYMBOL_GPL(spi_alloc_master); int __init_or_module spi_register_master(struct spi_master *master) { - static atomic_t dyn_bus_id = ATOMIC_INIT(0); + static atomic_t dyn_bus_id = ATOMIC_INIT((1<<16) - 1); struct device *dev = master->cdev.dev; int status = -ENODEV; int dynamic = 0; @@ -404,7 +404,7 @@ spi_register_master(struct spi_master *master) return -ENODEV; /* convention: dynamically assigned bus IDs count down from the max */ - if (master->bus_num == 0) { + if (master->bus_num < 0) { master->bus_num = atomic_dec_return(&dyn_bus_id); dynamic = 1; } @@ -522,7 +522,8 @@ int spi_sync(struct spi_device *spi, struct spi_message *message) } EXPORT_SYMBOL_GPL(spi_sync); -#define SPI_BUFSIZ (SMP_CACHE_BYTES) +/* portable code must never pass more than 32 bytes */ +#define SPI_BUFSIZ max(32,SMP_CACHE_BYTES) static u8 *buf; diff --git a/drivers/spi/spi_bitbang.c b/drivers/spi/spi_bitbang.c index f037e5593269..dd2f950b21a7 100644 --- a/drivers/spi/spi_bitbang.c +++ b/drivers/spi/spi_bitbang.c @@ -138,6 +138,45 @@ static unsigned bitbang_txrx_32( return t->len - count; } +int spi_bitbang_setup_transfer(struct spi_device *spi, struct spi_transfer *t) +{ + struct spi_bitbang_cs *cs = spi->controller_state; + u8 bits_per_word; + u32 hz; + + if (t) { + bits_per_word = t->bits_per_word; + hz = t->speed_hz; + } else { + bits_per_word = 0; + hz = 0; + } + + /* spi_transfer level calls that work per-word */ + if (!bits_per_word) + bits_per_word = spi->bits_per_word; + if (bits_per_word <= 8) + cs->txrx_bufs = bitbang_txrx_8; + else if (bits_per_word <= 16) + cs->txrx_bufs = bitbang_txrx_16; + else if (bits_per_word <= 32) + cs->txrx_bufs = bitbang_txrx_32; + else + return -EINVAL; + + /* nsecs = (clock period)/2 */ + if (!hz) + hz = spi->max_speed_hz; + if (hz) { + cs->nsecs = (1000000000/2) / hz; + if (cs->nsecs > (MAX_UDELAY_MS * 1000 * 1000)) + return -EINVAL; + } + + return 0; +} +EXPORT_SYMBOL_GPL(spi_bitbang_setup_transfer); + /** * spi_bitbang_setup - default setup for per-word I/O loops */ @@ -145,8 +184,16 @@ int spi_bitbang_setup(struct spi_device *spi) { struct spi_bitbang_cs *cs = spi->controller_state; struct spi_bitbang *bitbang; + int retval; - if (!spi->max_speed_hz) + bitbang = spi_master_get_devdata(spi->master); + + /* REVISIT: some systems will want to support devices using lsb-first + * bit encodings on the wire. In pure software that would be trivial, + * just bitbang_txrx_le_cphaX() routines shifting the other way, and + * some hardware controllers also have this support. + */ + if ((spi->mode & SPI_LSB_FIRST) != 0) return -EINVAL; if (!cs) { @@ -155,32 +202,20 @@ int spi_bitbang_setup(struct spi_device *spi) return -ENOMEM; spi->controller_state = cs; } - bitbang = spi_master_get_devdata(spi->master); if (!spi->bits_per_word) spi->bits_per_word = 8; - /* spi_transfer level calls that work per-word */ - if (spi->bits_per_word <= 8) - cs->txrx_bufs = bitbang_txrx_8; - else if (spi->bits_per_word <= 16) - cs->txrx_bufs = bitbang_txrx_16; - else if (spi->bits_per_word <= 32) - cs->txrx_bufs = bitbang_txrx_32; - else - return -EINVAL; - /* per-word shift register access, in hardware or bitbanging */ cs->txrx_word = bitbang->txrx_word[spi->mode & (SPI_CPOL|SPI_CPHA)]; if (!cs->txrx_word) return -EINVAL; - /* nsecs = (clock period)/2 */ - cs->nsecs = (1000000000/2) / (spi->max_speed_hz); - if (cs->nsecs > MAX_UDELAY_MS * 1000) - return -EINVAL; + retval = spi_bitbang_setup_transfer(spi, NULL); + if (retval < 0) + return retval; - dev_dbg(&spi->dev, "%s, mode %d, %u bits/w, %u nsec\n", + dev_dbg(&spi->dev, "%s, mode %d, %u bits/w, %u nsec/bit\n", __FUNCTION__, spi->mode & (SPI_CPOL | SPI_CPHA), spi->bits_per_word, 2 * cs->nsecs); @@ -246,6 +281,8 @@ static void bitbang_work(void *_bitbang) unsigned tmp; unsigned cs_change; int status; + int (*setup_transfer)(struct spi_device *, + struct spi_transfer *); m = container_of(bitbang->queue.next, struct spi_message, queue); @@ -262,6 +299,7 @@ static void bitbang_work(void *_bitbang) tmp = 0; cs_change = 1; status = 0; + setup_transfer = NULL; list_for_each_entry (t, &m->transfers, transfer_list) { if (bitbang->shutdown) { @@ -269,6 +307,20 @@ static void bitbang_work(void *_bitbang) break; } + /* override or restore speed and wordsize */ + if (t->speed_hz || t->bits_per_word) { + setup_transfer = bitbang->setup_transfer; + if (!setup_transfer) { + status = -ENOPROTOOPT; + break; + } + } + if (setup_transfer) { + status = setup_transfer(spi, t); + if (status < 0) + break; + } + /* set up default clock polarity, and activate chip; * this implicitly updates clock and spi modes as * previously recorded for this device via setup(). @@ -325,6 +377,10 @@ static void bitbang_work(void *_bitbang) m->status = status; m->complete(m->context); + /* restore speed and wordsize */ + if (setup_transfer) + setup_transfer(spi, NULL); + /* normally deactivate chipselect ... unless no error and * cs_change has hinted that the next message will probably * be for this chip too. @@ -348,6 +404,7 @@ int spi_bitbang_transfer(struct spi_device *spi, struct spi_message *m) { struct spi_bitbang *bitbang; unsigned long flags; + int status = 0; m->actual_length = 0; m->status = -EINPROGRESS; @@ -357,11 +414,15 @@ int spi_bitbang_transfer(struct spi_device *spi, struct spi_message *m) return -ESHUTDOWN; spin_lock_irqsave(&bitbang->lock, flags); - list_add_tail(&m->queue, &bitbang->queue); - queue_work(bitbang->workqueue, &bitbang->work); + if (!spi->max_speed_hz) + status = -ENETDOWN; + else { + list_add_tail(&m->queue, &bitbang->queue); + queue_work(bitbang->workqueue, &bitbang->work); + } spin_unlock_irqrestore(&bitbang->lock, flags); - return 0; + return status; } EXPORT_SYMBOL_GPL(spi_bitbang_transfer); @@ -406,6 +467,9 @@ int spi_bitbang_start(struct spi_bitbang *bitbang) bitbang->use_dma = 0; bitbang->txrx_bufs = spi_bitbang_bufs; if (!bitbang->master->setup) { + if (!bitbang->setup_transfer) + bitbang->setup_transfer = + spi_bitbang_setup_transfer; bitbang->master->setup = spi_bitbang_setup; bitbang->master->cleanup = spi_bitbang_cleanup; } diff --git a/drivers/spi/spi_butterfly.c b/drivers/spi/spi_butterfly.c index ff9e5faa4dc9..a006a1ee27ac 100644 --- a/drivers/spi/spi_butterfly.c +++ b/drivers/spi/spi_butterfly.c @@ -321,6 +321,7 @@ static void butterfly_attach(struct parport *p) * (firmware resets at45, acts as spi slave) or neither (we ignore * both, AVR uses AT45). Here we expect firmware for the first option. */ + pp->info[0].max_speed_hz = 15 * 1000 * 1000; strcpy(pp->info[0].modalias, "mtd_dataflash"); pp->info[0].platform_data = &flash; diff --git a/drivers/spi/spi_mpc83xx.c b/drivers/spi/spi_mpc83xx.c new file mode 100644 index 000000000000..5d92a7e5cb41 --- /dev/null +++ b/drivers/spi/spi_mpc83xx.c @@ -0,0 +1,483 @@ +/* + * MPC83xx SPI controller driver. + * + * Maintainer: Kumar Gala + * + * Copyright (C) 2006 Polycom, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ +#include <linux/module.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/completion.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/irq.h> +#include <linux/device.h> +#include <linux/spi/spi.h> +#include <linux/spi/spi_bitbang.h> +#include <linux/platform_device.h> +#include <linux/fsl_devices.h> + +#include <asm/irq.h> +#include <asm/io.h> + +/* SPI Controller registers */ +struct mpc83xx_spi_reg { + u8 res1[0x20]; + __be32 mode; + __be32 event; + __be32 mask; + __be32 command; + __be32 transmit; + __be32 receive; +}; + +/* SPI Controller mode register definitions */ +#define SPMODE_CI_INACTIVEHIGH (1 << 29) +#define SPMODE_CP_BEGIN_EDGECLK (1 << 28) +#define SPMODE_DIV16 (1 << 27) +#define SPMODE_REV (1 << 26) +#define SPMODE_MS (1 << 25) +#define SPMODE_ENABLE (1 << 24) +#define SPMODE_LEN(x) ((x) << 20) +#define SPMODE_PM(x) ((x) << 16) + +/* + * Default for SPI Mode: + * SPI MODE 0 (inactive low, phase middle, MSB, 8-bit length, slow clk + */ +#define SPMODE_INIT_VAL (SPMODE_CI_INACTIVEHIGH | SPMODE_DIV16 | SPMODE_REV | \ + SPMODE_MS | SPMODE_LEN(7) | SPMODE_PM(0xf)) + +/* SPIE register values */ +#define SPIE_NE 0x00000200 /* Not empty */ +#define SPIE_NF 0x00000100 /* Not full */ + +/* SPIM register values */ +#define SPIM_NE 0x00000200 /* Not empty */ +#define SPIM_NF 0x00000100 /* Not full */ + +/* SPI Controller driver's private data. */ +struct mpc83xx_spi { + /* bitbang has to be first */ + struct spi_bitbang bitbang; + struct completion done; + + struct mpc83xx_spi_reg __iomem *base; + + /* rx & tx bufs from the spi_transfer */ + const void *tx; + void *rx; + + /* functions to deal with different sized buffers */ + void (*get_rx) (u32 rx_data, struct mpc83xx_spi *); + u32(*get_tx) (struct mpc83xx_spi *); + + unsigned int count; + u32 irq; + + unsigned nsecs; /* (clock cycle time)/2 */ + + u32 sysclk; + void (*activate_cs) (u8 cs, u8 polarity); + void (*deactivate_cs) (u8 cs, u8 polarity); +}; + +static inline void mpc83xx_spi_write_reg(__be32 __iomem * reg, u32 val) +{ + out_be32(reg, val); +} + +static inline u32 mpc83xx_spi_read_reg(__be32 __iomem * reg) +{ + return in_be32(reg); +} + +#define MPC83XX_SPI_RX_BUF(type) \ +void mpc83xx_spi_rx_buf_##type(u32 data, struct mpc83xx_spi *mpc83xx_spi) \ +{ \ + type * rx = mpc83xx_spi->rx; \ + *rx++ = (type)data; \ + mpc83xx_spi->rx = rx; \ +} + +#define MPC83XX_SPI_TX_BUF(type) \ +u32 mpc83xx_spi_tx_buf_##type(struct mpc83xx_spi *mpc83xx_spi) \ +{ \ + u32 data; \ + const type * tx = mpc83xx_spi->tx; \ + data = *tx++; \ + mpc83xx_spi->tx = tx; \ + return data; \ +} + +MPC83XX_SPI_RX_BUF(u8) +MPC83XX_SPI_RX_BUF(u16) +MPC83XX_SPI_RX_BUF(u32) +MPC83XX_SPI_TX_BUF(u8) +MPC83XX_SPI_TX_BUF(u16) +MPC83XX_SPI_TX_BUF(u32) + +static void mpc83xx_spi_chipselect(struct spi_device *spi, int value) +{ + struct mpc83xx_spi *mpc83xx_spi; + u8 pol = spi->mode & SPI_CS_HIGH ? 1 : 0; + + mpc83xx_spi = spi_master_get_devdata(spi->master); + + if (value == BITBANG_CS_INACTIVE) { + if (mpc83xx_spi->deactivate_cs) + mpc83xx_spi->deactivate_cs(spi->chip_select, pol); + } + + if (value == BITBANG_CS_ACTIVE) { + u32 regval = mpc83xx_spi_read_reg(&mpc83xx_spi->base->mode); + u32 len = spi->bits_per_word; + if (len == 32) + len = 0; + else + len = len - 1; + + /* mask out bits we are going to set */ + regval &= ~0x38ff0000; + + if (spi->mode & SPI_CPHA) + regval |= SPMODE_CP_BEGIN_EDGECLK; + if (spi->mode & SPI_CPOL) + regval |= SPMODE_CI_INACTIVEHIGH; + + regval |= SPMODE_LEN(len); + + if ((mpc83xx_spi->sysclk / spi->max_speed_hz) >= 64) { + u8 pm = mpc83xx_spi->sysclk / (spi->max_speed_hz * 64); + regval |= SPMODE_PM(pm) | SPMODE_DIV16; + } else { + u8 pm = mpc83xx_spi->sysclk / (spi->max_speed_hz * 4); + regval |= SPMODE_PM(pm); + } + + mpc83xx_spi_write_reg(&mpc83xx_spi->base->mode, regval); + if (mpc83xx_spi->activate_cs) + mpc83xx_spi->activate_cs(spi->chip_select, pol); + } +} + +static +int mpc83xx_spi_setup_transfer(struct spi_device *spi, struct spi_transfer *t) +{ + struct mpc83xx_spi *mpc83xx_spi; + u32 regval; + u8 bits_per_word; + u32 hz; + + mpc83xx_spi = spi_master_get_devdata(spi->master); + + if (t) { + bits_per_word = t->bits_per_word; + hz = t->speed_hz; + } else { + bits_per_word = 0; + hz = 0; + } + + /* spi_transfer level calls that work per-word */ + if (!bits_per_word) + bits_per_word = spi->bits_per_word; + + /* Make sure its a bit width we support [4..16, 32] */ + if ((bits_per_word < 4) + || ((bits_per_word > 16) && (bits_per_word != 32))) + return -EINVAL; + + if (bits_per_word <= 8) { + mpc83xx_spi->get_rx = mpc83xx_spi_rx_buf_u8; + mpc83xx_spi->get_tx = mpc83xx_spi_tx_buf_u8; + } else if (bits_per_word <= 16) { + mpc83xx_spi->get_rx = mpc83xx_spi_rx_buf_u16; + mpc83xx_spi->get_tx = mpc83xx_spi_tx_buf_u16; + } else if (bits_per_word <= 32) { + mpc83xx_spi->get_rx = mpc83xx_spi_rx_buf_u32; + mpc83xx_spi->get_tx = mpc83xx_spi_tx_buf_u32; + } else + return -EINVAL; + + /* nsecs = (clock period)/2 */ + if (!hz) + hz = spi->max_speed_hz; + mpc83xx_spi->nsecs = (1000000000 / 2) / hz; + if (mpc83xx_spi->nsecs > MAX_UDELAY_MS * 1000) + return -EINVAL; + + if (bits_per_word == 32) + bits_per_word = 0; + else + bits_per_word = bits_per_word - 1; + + regval = mpc83xx_spi_read_reg(&mpc83xx_spi->base->mode); + + /* Mask out bits_per_wordgth */ + regval &= 0xff0fffff; + regval |= SPMODE_LEN(bits_per_word); + + mpc83xx_spi_write_reg(&mpc83xx_spi->base->mode, regval); + + return 0; +} + +static int mpc83xx_spi_setup(struct spi_device *spi) +{ + struct spi_bitbang *bitbang; + struct mpc83xx_spi *mpc83xx_spi; + int retval; + + if (!spi->max_speed_hz) + return -EINVAL; + + bitbang = spi_master_get_devdata(spi->master); + mpc83xx_spi = spi_master_get_devdata(spi->master); + + if (!spi->bits_per_word) + spi->bits_per_word = 8; + + retval = mpc83xx_spi_setup_transfer(spi, NULL); + if (retval < 0) + return retval; + + dev_dbg(&spi->dev, "%s, mode %d, %u bits/w, %u nsec\n", + __FUNCTION__, spi->mode & (SPI_CPOL | SPI_CPHA), + spi->bits_per_word, 2 * mpc83xx_spi->nsecs); + + /* NOTE we _need_ to call chipselect() early, ideally with adapter + * setup, unless the hardware defaults cooperate to avoid confusion + * between normal (active low) and inverted chipselects. + */ + + /* deselect chip (low or high) */ + spin_lock(&bitbang->lock); + if (!bitbang->busy) { + bitbang->chipselect(spi, BITBANG_CS_INACTIVE); + ndelay(mpc83xx_spi->nsecs); + } + spin_unlock(&bitbang->lock); + + return 0; +} + +static int mpc83xx_spi_bufs(struct spi_device *spi, struct spi_transfer *t) +{ + struct mpc83xx_spi *mpc83xx_spi; + u32 word; + + mpc83xx_spi = spi_master_get_devdata(spi->master); + + mpc83xx_spi->tx = t->tx_buf; + mpc83xx_spi->rx = t->rx_buf; + mpc83xx_spi->count = t->len; + INIT_COMPLETION(mpc83xx_spi->done); + + /* enable rx ints */ + mpc83xx_spi_write_reg(&mpc83xx_spi->base->mask, SPIM_NE); + + /* transmit word */ + word = mpc83xx_spi->get_tx(mpc83xx_spi); + mpc83xx_spi_write_reg(&mpc83xx_spi->base->transmit, word); + + wait_for_completion(&mpc83xx_spi->done); + + /* disable rx ints */ + mpc83xx_spi_write_reg(&mpc83xx_spi->base->mask, 0); + + return t->len - mpc83xx_spi->count; +} + +irqreturn_t mpc83xx_spi_irq(s32 irq, void *context_data, + struct pt_regs * ptregs) +{ + struct mpc83xx_spi *mpc83xx_spi = context_data; + u32 event; + irqreturn_t ret = IRQ_NONE; + + /* Get interrupt events(tx/rx) */ + event = mpc83xx_spi_read_reg(&mpc83xx_spi->base->event); + + /* We need handle RX first */ + if (event & SPIE_NE) { + u32 rx_data = mpc83xx_spi_read_reg(&mpc83xx_spi->base->receive); + + if (mpc83xx_spi->rx) + mpc83xx_spi->get_rx(rx_data, mpc83xx_spi); + + ret = IRQ_HANDLED; + } + + if ((event & SPIE_NF) == 0) + /* spin until TX is done */ + while (((event = + mpc83xx_spi_read_reg(&mpc83xx_spi->base->event)) & + SPIE_NF) == 0) + cpu_relax(); + + mpc83xx_spi->count -= 1; + if (mpc83xx_spi->count) { + if (mpc83xx_spi->tx) { + u32 word = mpc83xx_spi->get_tx(mpc83xx_spi); + mpc83xx_spi_write_reg(&mpc83xx_spi->base->transmit, + word); + } + } else { + complete(&mpc83xx_spi->done); + } + + /* Clear the events */ + mpc83xx_spi_write_reg(&mpc83xx_spi->base->event, event); + + return ret; +} + +static int __init mpc83xx_spi_probe(struct platform_device *dev) +{ + struct spi_master *master; + struct mpc83xx_spi *mpc83xx_spi; + struct fsl_spi_platform_data *pdata; + struct resource *r; + u32 regval; + int ret = 0; + + /* Get resources(memory, IRQ) associated with the device */ + master = spi_alloc_master(&dev->dev, sizeof(struct mpc83xx_spi)); + + if (master == NULL) { + ret = -ENOMEM; + goto err; + } + + platform_set_drvdata(dev, master); + pdata = dev->dev.platform_data; + + if (pdata == NULL) { + ret = -ENODEV; + goto free_master; + } + + r = platform_get_resource(dev, IORESOURCE_MEM, 0); + if (r == NULL) { + ret = -ENODEV; + goto free_master; + } + + mpc83xx_spi = spi_master_get_devdata(master); + mpc83xx_spi->bitbang.master = spi_master_get(master); + mpc83xx_spi->bitbang.chipselect = mpc83xx_spi_chipselect; + mpc83xx_spi->bitbang.setup_transfer = mpc83xx_spi_setup_transfer; + mpc83xx_spi->bitbang.txrx_bufs = mpc83xx_spi_bufs; + mpc83xx_spi->sysclk = pdata->sysclk; + mpc83xx_spi->activate_cs = pdata->activate_cs; + mpc83xx_spi->deactivate_cs = pdata->deactivate_cs; + mpc83xx_spi->get_rx = mpc83xx_spi_rx_buf_u8; + mpc83xx_spi->get_tx = mpc83xx_spi_tx_buf_u8; + + mpc83xx_spi->bitbang.master->setup = mpc83xx_spi_setup; + init_completion(&mpc83xx_spi->done); + + mpc83xx_spi->base = ioremap(r->start, r->end - r->start + 1); + if (mpc83xx_spi->base == NULL) { + ret = -ENOMEM; + goto put_master; + } + + mpc83xx_spi->irq = platform_get_irq(dev, 0); + + if (mpc83xx_spi->irq < 0) { + ret = -ENXIO; + goto unmap_io; + } + + /* Register for SPI Interrupt */ + ret = request_irq(mpc83xx_spi->irq, mpc83xx_spi_irq, + 0, "mpc83xx_spi", mpc83xx_spi); + + if (ret != 0) + goto unmap_io; + + master->bus_num = pdata->bus_num; + master->num_chipselect = pdata->max_chipselect; + + /* SPI controller initializations */ + mpc83xx_spi_write_reg(&mpc83xx_spi->base->mode, 0); + mpc83xx_spi_write_reg(&mpc83xx_spi->base->mask, 0); + mpc83xx_spi_write_reg(&mpc83xx_spi->base->command, 0); + mpc83xx_spi_write_reg(&mpc83xx_spi->base->event, 0xffffffff); + + /* Enable SPI interface */ + regval = pdata->initial_spmode | SPMODE_INIT_VAL | SPMODE_ENABLE; + mpc83xx_spi_write_reg(&mpc83xx_spi->base->mode, regval); + + ret = spi_bitbang_start(&mpc83xx_spi->bitbang); + + if (ret != 0) + goto free_irq; + + printk(KERN_INFO + "%s: MPC83xx SPI Controller driver at 0x%p (irq = %d)\n", + dev->dev.bus_id, mpc83xx_spi->base, mpc83xx_spi->irq); + + return ret; + +free_irq: + free_irq(mpc83xx_spi->irq, mpc83xx_spi); +unmap_io: + iounmap(mpc83xx_spi->base); +put_master: + spi_master_put(master); +free_master: + kfree(master); +err: + return ret; +} + +static int __devexit mpc83xx_spi_remove(struct platform_device *dev) +{ + struct mpc83xx_spi *mpc83xx_spi; + struct spi_master *master; + + master = platform_get_drvdata(dev); + mpc83xx_spi = spi_master_get_devdata(master); + + spi_bitbang_stop(&mpc83xx_spi->bitbang); + free_irq(mpc83xx_spi->irq, mpc83xx_spi); + iounmap(mpc83xx_spi->base); + spi_master_put(mpc83xx_spi->bitbang.master); + + return 0; +} + +static struct platform_driver mpc83xx_spi_driver = { + .probe = mpc83xx_spi_probe, + .remove = __devexit_p(mpc83xx_spi_remove), + .driver = { + .name = "mpc83xx_spi", + }, +}; + +static int __init mpc83xx_spi_init(void) +{ + return platform_driver_register(&mpc83xx_spi_driver); +} + +static void __exit mpc83xx_spi_exit(void) +{ + platform_driver_unregister(&mpc83xx_spi_driver); +} + +module_init(mpc83xx_spi_init); +module_exit(mpc83xx_spi_exit); + +MODULE_AUTHOR("Kumar Gala"); +MODULE_DESCRIPTION("Simple MPC83xx SPI Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/spi/spi_s3c24xx.c b/drivers/spi/spi_s3c24xx.c new file mode 100644 index 000000000000..9de4b5a04d70 --- /dev/null +++ b/drivers/spi/spi_s3c24xx.c @@ -0,0 +1,453 @@ +/* linux/drivers/spi/spi_s3c24xx.c + * + * Copyright (c) 2006 Ben Dooks + * Copyright (c) 2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * +*/ + + +//#define DEBUG + +#include <linux/config.h> +#include <linux/init.h> +#include <linux/spinlock.h> +#include <linux/workqueue.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/errno.h> +#include <linux/err.h> +#include <linux/clk.h> +#include <linux/platform_device.h> + +#include <linux/spi/spi.h> +#include <linux/spi/spi_bitbang.h> + +#include <asm/io.h> +#include <asm/dma.h> +#include <asm/hardware.h> + +#include <asm/arch/regs-gpio.h> +#include <asm/arch/regs-spi.h> +#include <asm/arch/spi.h> + +struct s3c24xx_spi { + /* bitbang has to be first */ + struct spi_bitbang bitbang; + struct completion done; + + void __iomem *regs; + int irq; + int len; + int count; + + /* data buffers */ + const unsigned char *tx; + unsigned char *rx; + + struct clk *clk; + struct resource *ioarea; + struct spi_master *master; + struct spi_device *curdev; + struct device *dev; + struct s3c2410_spi_info *pdata; +}; + +#define SPCON_DEFAULT (S3C2410_SPCON_MSTR | S3C2410_SPCON_SMOD_INT) +#define SPPIN_DEFAULT (S3C2410_SPPIN_KEEP) + +static inline struct s3c24xx_spi *to_hw(struct spi_device *sdev) +{ + return spi_master_get_devdata(sdev->master); +} + +static void s3c24xx_spi_chipsel(struct spi_device *spi, int value) +{ + struct s3c24xx_spi *hw = to_hw(spi); + unsigned int cspol = spi->mode & SPI_CS_HIGH ? 1 : 0; + unsigned int spcon; + + switch (value) { + case BITBANG_CS_INACTIVE: + if (hw->pdata->set_cs) + hw->pdata->set_cs(hw->pdata, value, cspol); + else + s3c2410_gpio_setpin(hw->pdata->pin_cs, cspol ^ 1); + break; + + case BITBANG_CS_ACTIVE: + spcon = readb(hw->regs + S3C2410_SPCON); + + if (spi->mode & SPI_CPHA) + spcon |= S3C2410_SPCON_CPHA_FMTB; + else + spcon &= ~S3C2410_SPCON_CPHA_FMTB; + + if (spi->mode & SPI_CPOL) + spcon |= S3C2410_SPCON_CPOL_HIGH; + else + spcon &= ~S3C2410_SPCON_CPOL_HIGH; + + spcon |= S3C2410_SPCON_ENSCK; + + /* write new configration */ + + writeb(spcon, hw->regs + S3C2410_SPCON); + + if (hw->pdata->set_cs) + hw->pdata->set_cs(hw->pdata, value, cspol); + else + s3c2410_gpio_setpin(hw->pdata->pin_cs, cspol); + + break; + + } +} + +static int s3c24xx_spi_setupxfer(struct spi_device *spi, + struct spi_transfer *t) +{ + struct s3c24xx_spi *hw = to_hw(spi); + unsigned int bpw; + unsigned int hz; + unsigned int div; + + bpw = t ? t->bits_per_word : spi->bits_per_word; + hz = t ? t->speed_hz : spi->max_speed_hz; + + if (bpw != 8) { + dev_err(&spi->dev, "invalid bits-per-word (%d)\n", bpw); + return -EINVAL; + } + + div = clk_get_rate(hw->clk) / hz; + + /* is clk = pclk / (2 * (pre+1)), or is it + * clk = (pclk * 2) / ( pre + 1) */ + + div = (div / 2) - 1; + + if (div < 0) + div = 1; + + if (div > 255) + div = 255; + + dev_dbg(&spi->dev, "setting pre-scaler to %d (hz %d)\n", div, hz); + writeb(div, hw->regs + S3C2410_SPPRE); + + spin_lock(&hw->bitbang.lock); + if (!hw->bitbang.busy) { + hw->bitbang.chipselect(spi, BITBANG_CS_INACTIVE); + /* need to ndelay for 0.5 clocktick ? */ + } + spin_unlock(&hw->bitbang.lock); + + return 0; +} + +static int s3c24xx_spi_setup(struct spi_device *spi) +{ + int ret; + + if (!spi->bits_per_word) + spi->bits_per_word = 8; + + if ((spi->mode & SPI_LSB_FIRST) != 0) + return -EINVAL; + + ret = s3c24xx_spi_setupxfer(spi, NULL); + if (ret < 0) { + dev_err(&spi->dev, "setupxfer returned %d\n", ret); + return ret; + } + + dev_dbg(&spi->dev, "%s: mode %d, %u bpw, %d hz\n", + __FUNCTION__, spi->mode, spi->bits_per_word, + spi->max_speed_hz); + + return 0; +} + +static inline unsigned int hw_txbyte(struct s3c24xx_spi *hw, int count) +{ + return hw->tx ? hw->tx[count] : 0xff; +} + +static int s3c24xx_spi_txrx(struct spi_device *spi, struct spi_transfer *t) +{ + struct s3c24xx_spi *hw = to_hw(spi); + + dev_dbg(&spi->dev, "txrx: tx %p, rx %p, len %d\n", + t->tx_buf, t->rx_buf, t->len); + + hw->tx = t->tx_buf; + hw->rx = t->rx_buf; + hw->len = t->len; + hw->count = 0; + + /* send the first byte */ + writeb(hw_txbyte(hw, 0), hw->regs + S3C2410_SPTDAT); + wait_for_completion(&hw->done); + + return hw->count; +} + +static irqreturn_t s3c24xx_spi_irq(int irq, void *dev, struct pt_regs *regs) +{ + struct s3c24xx_spi *hw = dev; + unsigned int spsta = readb(hw->regs + S3C2410_SPSTA); + unsigned int count = hw->count; + + if (spsta & S3C2410_SPSTA_DCOL) { + dev_dbg(hw->dev, "data-collision\n"); + complete(&hw->done); + goto irq_done; + } + + if (!(spsta & S3C2410_SPSTA_READY)) { + dev_dbg(hw->dev, "spi not ready for tx?\n"); + complete(&hw->done); + goto irq_done; + } + + hw->count++; + + if (hw->rx) + hw->rx[count] = readb(hw->regs + S3C2410_SPRDAT); + + count++; + + if (count < hw->len) + writeb(hw_txbyte(hw, count), hw->regs + S3C2410_SPTDAT); + else + complete(&hw->done); + + irq_done: + return IRQ_HANDLED; +} + +static int s3c24xx_spi_probe(struct platform_device *pdev) +{ + struct s3c24xx_spi *hw; + struct spi_master *master; + struct spi_board_info *bi; + struct resource *res; + int err = 0; + int i; + + master = spi_alloc_master(&pdev->dev, sizeof(struct s3c24xx_spi)); + if (master == NULL) { + dev_err(&pdev->dev, "No memory for spi_master\n"); + err = -ENOMEM; + goto err_nomem; + } + + hw = spi_master_get_devdata(master); + memset(hw, 0, sizeof(struct s3c24xx_spi)); + + hw->master = spi_master_get(master); + hw->pdata = pdev->dev.platform_data; + hw->dev = &pdev->dev; + + if (hw->pdata == NULL) { + dev_err(&pdev->dev, "No platform data supplied\n"); + err = -ENOENT; + goto err_no_pdata; + } + + platform_set_drvdata(pdev, hw); + init_completion(&hw->done); + + /* setup the state for the bitbang driver */ + + hw->bitbang.master = hw->master; + hw->bitbang.setup_transfer = s3c24xx_spi_setupxfer; + hw->bitbang.chipselect = s3c24xx_spi_chipsel; + hw->bitbang.txrx_bufs = s3c24xx_spi_txrx; + hw->bitbang.master->setup = s3c24xx_spi_setup; + + dev_dbg(hw->dev, "bitbang at %p\n", &hw->bitbang); + + /* find and map our resources */ + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (res == NULL) { + dev_err(&pdev->dev, "Cannot get IORESOURCE_MEM\n"); + err = -ENOENT; + goto err_no_iores; + } + + hw->ioarea = request_mem_region(res->start, (res->end - res->start)+1, + pdev->name); + + if (hw->ioarea == NULL) { + dev_err(&pdev->dev, "Cannot reserve region\n"); + err = -ENXIO; + goto err_no_iores; + } + + hw->regs = ioremap(res->start, (res->end - res->start)+1); + if (hw->regs == NULL) { + dev_err(&pdev->dev, "Cannot map IO\n"); + err = -ENXIO; + goto err_no_iomap; + } + + hw->irq = platform_get_irq(pdev, 0); + if (hw->irq < 0) { + dev_err(&pdev->dev, "No IRQ specified\n"); + err = -ENOENT; + goto err_no_irq; + } + + err = request_irq(hw->irq, s3c24xx_spi_irq, 0, pdev->name, hw); + if (err) { + dev_err(&pdev->dev, "Cannot claim IRQ\n"); + goto err_no_irq; + } + + hw->clk = clk_get(&pdev->dev, "spi"); + if (IS_ERR(hw->clk)) { + dev_err(&pdev->dev, "No clock for device\n"); + err = PTR_ERR(hw->clk); + goto err_no_clk; + } + + /* for the moment, permanently enable the clock */ + + clk_enable(hw->clk); + + /* program defaults into the registers */ + + writeb(0xff, hw->regs + S3C2410_SPPRE); + writeb(SPPIN_DEFAULT, hw->regs + S3C2410_SPPIN); + writeb(SPCON_DEFAULT, hw->regs + S3C2410_SPCON); + + /* setup any gpio we can */ + + if (!hw->pdata->set_cs) { + s3c2410_gpio_setpin(hw->pdata->pin_cs, 1); + s3c2410_gpio_cfgpin(hw->pdata->pin_cs, S3C2410_GPIO_OUTPUT); + } + + /* register our spi controller */ + + err = spi_bitbang_start(&hw->bitbang); + if (err) { + dev_err(&pdev->dev, "Failed to register SPI master\n"); + goto err_register; + } + + dev_dbg(hw->dev, "shutdown=%d\n", hw->bitbang.shutdown); + + /* register all the devices associated */ + + bi = &hw->pdata->board_info[0]; + for (i = 0; i < hw->pdata->board_size; i++, bi++) { + dev_info(hw->dev, "registering %s\n", bi->modalias); + + bi->controller_data = hw; + spi_new_device(master, bi); + } + + return 0; + + err_register: + clk_disable(hw->clk); + clk_put(hw->clk); + + err_no_clk: + free_irq(hw->irq, hw); + + err_no_irq: + iounmap(hw->regs); + + err_no_iomap: + release_resource(hw->ioarea); + kfree(hw->ioarea); + + err_no_iores: + err_no_pdata: + spi_master_put(hw->master);; + + err_nomem: + return err; +} + +static int s3c24xx_spi_remove(struct platform_device *dev) +{ + struct s3c24xx_spi *hw = platform_get_drvdata(dev); + + platform_set_drvdata(dev, NULL); + + spi_unregister_master(hw->master); + + clk_disable(hw->clk); + clk_put(hw->clk); + + free_irq(hw->irq, hw); + iounmap(hw->regs); + + release_resource(hw->ioarea); + kfree(hw->ioarea); + + spi_master_put(hw->master); + return 0; +} + + +#ifdef CONFIG_PM + +static int s3c24xx_spi_suspend(struct platform_device *pdev, pm_message_t msg) +{ + struct s3c24xx_spi *hw = platform_get_drvdata(dev); + + clk_disable(hw->clk); + return 0; +} + +static int s3c24xx_spi_resume(struct platform_device *pdev) +{ + struct s3c24xx_spi *hw = platform_get_drvdata(dev); + + clk_enable(hw->clk); + return 0; +} + +#else +#define s3c24xx_spi_suspend NULL +#define s3c24xx_spi_resume NULL +#endif + +static struct platform_driver s3c24xx_spidrv = { + .probe = s3c24xx_spi_probe, + .remove = s3c24xx_spi_remove, + .suspend = s3c24xx_spi_suspend, + .resume = s3c24xx_spi_resume, + .driver = { + .name = "s3c2410-spi", + .owner = THIS_MODULE, + }, +}; + +static int __init s3c24xx_spi_init(void) +{ + return platform_driver_register(&s3c24xx_spidrv); +} + +static void __exit s3c24xx_spi_exit(void) +{ + platform_driver_unregister(&s3c24xx_spidrv); +} + +module_init(s3c24xx_spi_init); +module_exit(s3c24xx_spi_exit); + +MODULE_DESCRIPTION("S3C24XX SPI Driver"); +MODULE_AUTHOR("Ben Dooks, <ben@simtec.co.uk>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/spi/spi_s3c24xx_gpio.c b/drivers/spi/spi_s3c24xx_gpio.c new file mode 100644 index 000000000000..aacdceb8f44b --- /dev/null +++ b/drivers/spi/spi_s3c24xx_gpio.c @@ -0,0 +1,188 @@ +/* linux/drivers/spi/spi_s3c24xx_gpio.c + * + * Copyright (c) 2006 Ben Dooks + * Copyright (c) 2006 Simtec Electronics + * + * S3C24XX GPIO based SPI driver + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * +*/ + +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/spinlock.h> +#include <linux/platform_device.h> + +#include <linux/spi/spi.h> +#include <linux/spi/spi_bitbang.h> + +#include <asm/arch/regs-gpio.h> +#include <asm/arch/spi-gpio.h> +#include <asm/arch/hardware.h> + +struct s3c2410_spigpio { + struct spi_bitbang bitbang; + + struct s3c2410_spigpio_info *info; + struct platform_device *dev; +}; + +static inline struct s3c2410_spigpio *spidev_to_sg(struct spi_device *spi) +{ + return spi->controller_data; +} + +static inline void setsck(struct spi_device *dev, int on) +{ + struct s3c2410_spigpio *sg = spidev_to_sg(dev); + s3c2410_gpio_setpin(sg->info->pin_clk, on ? 1 : 0); +} + +static inline void setmosi(struct spi_device *dev, int on) +{ + struct s3c2410_spigpio *sg = spidev_to_sg(dev); + s3c2410_gpio_setpin(sg->info->pin_mosi, on ? 1 : 0); +} + +static inline u32 getmiso(struct spi_device *dev) +{ + struct s3c2410_spigpio *sg = spidev_to_sg(dev); + return s3c2410_gpio_getpin(sg->info->pin_miso) ? 1 : 0; +} + +#define spidelay(x) ndelay(x) + +#define EXPAND_BITBANG_TXRX +#include <linux/spi/spi_bitbang.h> + + +static u32 s3c2410_spigpio_txrx_mode0(struct spi_device *spi, + unsigned nsecs, u32 word, u8 bits) +{ + return bitbang_txrx_be_cpha0(spi, nsecs, 0, word, bits); +} + +static u32 s3c2410_spigpio_txrx_mode1(struct spi_device *spi, + unsigned nsecs, u32 word, u8 bits) +{ + return bitbang_txrx_be_cpha1(spi, nsecs, 0, word, bits); +} + +static void s3c2410_spigpio_chipselect(struct spi_device *dev, int value) +{ + struct s3c2410_spigpio *sg = spidev_to_sg(dev); + + if (sg->info && sg->info->chip_select) + (sg->info->chip_select)(sg->info, value); +} + +static int s3c2410_spigpio_probe(struct platform_device *dev) +{ + struct spi_master *master; + struct s3c2410_spigpio *sp; + int ret; + int i; + + master = spi_alloc_master(&dev->dev, sizeof(struct s3c2410_spigpio)); + if (master == NULL) { + dev_err(&dev->dev, "failed to allocate spi master\n"); + ret = -ENOMEM; + goto err; + } + + sp = spi_master_get_devdata(master); + + platform_set_drvdata(dev, sp); + + /* copy in the plkatform data */ + sp->info = dev->dev.platform_data; + + /* setup spi bitbang adaptor */ + sp->bitbang.master = spi_master_get(master); + sp->bitbang.chipselect = s3c2410_spigpio_chipselect; + + sp->bitbang.txrx_word[SPI_MODE_0] = s3c2410_spigpio_txrx_mode0; + sp->bitbang.txrx_word[SPI_MODE_1] = s3c2410_spigpio_txrx_mode1; + + /* set state of spi pins */ + s3c2410_gpio_setpin(sp->info->pin_clk, 0); + s3c2410_gpio_setpin(sp->info->pin_mosi, 0); + + s3c2410_gpio_cfgpin(sp->info->pin_clk, S3C2410_GPIO_OUTPUT); + s3c2410_gpio_cfgpin(sp->info->pin_mosi, S3C2410_GPIO_OUTPUT); + s3c2410_gpio_cfgpin(sp->info->pin_miso, S3C2410_GPIO_INPUT); + + ret = spi_bitbang_start(&sp->bitbang); + if (ret) + goto err_no_bitbang; + + /* register the chips to go with the board */ + + for (i = 0; i < sp->info->board_size; i++) { + dev_info(&dev->dev, "registering %p: %s\n", + &sp->info->board_info[i], + sp->info->board_info[i].modalias); + + sp->info->board_info[i].controller_data = sp; + spi_new_device(master, sp->info->board_info + i); + } + + return 0; + + err_no_bitbang: + spi_master_put(sp->bitbang.master); + err: + return ret; + +} + +static int s3c2410_spigpio_remove(struct platform_device *dev) +{ + struct s3c2410_spigpio *sp = platform_get_drvdata(dev); + + spi_bitbang_stop(&sp->bitbang); + spi_master_put(sp->bitbang.master); + + return 0; +} + +/* all gpio should be held over suspend/resume, so we should + * not need to deal with this +*/ + +#define s3c2410_spigpio_suspend NULL +#define s3c2410_spigpio_resume NULL + + +static struct platform_driver s3c2410_spigpio_drv = { + .probe = s3c2410_spigpio_probe, + .remove = s3c2410_spigpio_remove, + .suspend = s3c2410_spigpio_suspend, + .resume = s3c2410_spigpio_resume, + .driver = { + .name = "s3c24xx-spi-gpio", + .owner = THIS_MODULE, + }, +}; + +static int __init s3c2410_spigpio_init(void) +{ + return platform_driver_register(&s3c2410_spigpio_drv); +} + +static void __exit s3c2410_spigpio_exit(void) +{ + platform_driver_unregister(&s3c2410_spigpio_drv); +} + +module_init(s3c2410_spigpio_init); +module_exit(s3c2410_spigpio_exit); + +MODULE_DESCRIPTION("S3C24XX SPI Driver"); +MODULE_AUTHOR("Ben Dooks, <ben@simtec.co.uk>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/usb/atm/speedtch.c b/drivers/usb/atm/speedtch.c index 7860c8a5800d..956b7a1e8af9 100644 --- a/drivers/usb/atm/speedtch.c +++ b/drivers/usb/atm/speedtch.c @@ -69,7 +69,7 @@ static const char speedtch_driver_name[] = "speedtch"; #define RESUBMIT_DELAY 1000 /* milliseconds */ #define DEFAULT_BULK_ALTSETTING 1 -#define DEFAULT_ISOC_ALTSETTING 2 +#define DEFAULT_ISOC_ALTSETTING 3 #define DEFAULT_DL_512_FIRST 0 #define DEFAULT_ENABLE_ISOC 0 #define DEFAULT_SW_BUFFERING 0 diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c index c1211fc037d9..546249843b8e 100644 --- a/drivers/usb/atm/usbatm.c +++ b/drivers/usb/atm/usbatm.c @@ -99,11 +99,11 @@ static const char usbatm_driver_name[] = "usbatm"; #define UDSL_MAX_RCV_URBS 16 #define UDSL_MAX_SND_URBS 16 -#define UDSL_MAX_BUF_SIZE 64 * 1024 /* bytes */ +#define UDSL_MAX_BUF_SIZE 65536 #define UDSL_DEFAULT_RCV_URBS 4 #define UDSL_DEFAULT_SND_URBS 4 -#define UDSL_DEFAULT_RCV_BUF_SIZE 64 * ATM_CELL_SIZE /* bytes */ -#define UDSL_DEFAULT_SND_BUF_SIZE 64 * ATM_CELL_SIZE /* bytes */ +#define UDSL_DEFAULT_RCV_BUF_SIZE 3392 /* 64 * ATM_CELL_SIZE */ +#define UDSL_DEFAULT_SND_BUF_SIZE 3392 /* 64 * ATM_CELL_SIZE */ #define ATM_CELL_HEADER (ATM_CELL_SIZE - ATM_CELL_PAYLOAD) @@ -135,7 +135,7 @@ MODULE_PARM_DESC(rcv_buf_bytes, module_param(snd_buf_bytes, uint, S_IRUGO); MODULE_PARM_DESC(snd_buf_bytes, "Size of the buffers used for transmission, in bytes (range: 1-" - __MODULE_STRING(UDSL_MAX_SND_BUF_SIZE) ", default: " + __MODULE_STRING(UDSL_MAX_BUF_SIZE) ", default: " __MODULE_STRING(UDSL_DEFAULT_SND_BUF_SIZE) ")"); diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index fbd938d4ea58..e2e00ba4e1e6 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -1805,6 +1805,12 @@ int usb_add_hcd(struct usb_hcd *hcd, USB_SPEED_FULL; hcd->self.root_hub = rhdev; + /* wakeup flag init defaults to "everything works" for root hubs, + * but drivers can override it in reset() if needed, along with + * recording the overall controller's system wakeup capability. + */ + device_init_wakeup(&rhdev->dev, 1); + /* "reset" is misnamed; its role is now one-time init. the controller * should already have been reset (and boot firmware kicked off etc). */ @@ -1813,13 +1819,6 @@ int usb_add_hcd(struct usb_hcd *hcd, goto err_hcd_driver_setup; } - /* wakeup flag init is in transition; for now we can't rely on PCI to - * initialize these bits properly, so we let reset() override it. - * This init should _precede_ the reset() once PCI behaves. - */ - device_init_wakeup(&rhdev->dev, - device_can_wakeup(hcd->self.controller)); - /* NOTE: root hub and controller capabilities may not be the same */ if (device_can_wakeup(hcd->self.controller) && device_can_wakeup(&hcd->self.root_hub->dev)) diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 0c87f73f2933..90b8d43c6b33 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -1168,19 +1168,9 @@ static inline const char *plural(int n) static int choose_configuration(struct usb_device *udev) { int i; - u16 devstatus; - int bus_powered; int num_configs; struct usb_host_config *c, *best; - /* If this fails, assume the device is bus-powered */ - devstatus = 0; - usb_get_status(udev, USB_RECIP_DEVICE, 0, &devstatus); - le16_to_cpus(&devstatus); - bus_powered = ((devstatus & (1 << USB_DEVICE_SELF_POWERED)) == 0); - dev_dbg(&udev->dev, "device is %s-powered\n", - bus_powered ? "bus" : "self"); - best = NULL; c = udev->config; num_configs = udev->descriptor.bNumConfigurations; @@ -1197,6 +1187,19 @@ static int choose_configuration(struct usb_device *udev) * similar errors in their descriptors. If the next test * were allowed to execute, such configurations would always * be rejected and the devices would not work as expected. + * In the meantime, we run the risk of selecting a config + * that requires external power at a time when that power + * isn't available. It seems to be the lesser of two evils. + * + * Bugzilla #6448 reports a device that appears to crash + * when it receives a GET_DEVICE_STATUS request! We don't + * have any other way to tell whether a device is self-powered, + * but since we don't use that information anywhere but here, + * the call has been removed. + * + * Maybe the GET_DEVICE_STATUS call and the test below can + * be reinstated when device firmwares become more reliable. + * Don't hold your breath. */ #if 0 /* Rule out self-powered configs for a bus-powered device */ diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 544f7589912f..73f5a379d9b3 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -863,7 +863,7 @@ static int ohci_restart (struct ohci_hcd *ohci) i = ohci->num_ports; while (i--) ohci_writel (ohci, RH_PS_PSS, - &ohci->regs->roothub.portstatus [temp]); + &ohci->regs->roothub.portstatus [i]); ohci_dbg (ohci, "restart complete\n"); } return 0; diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c index f419bd82ab7f..435273e7c85c 100644 --- a/drivers/usb/input/hid-core.c +++ b/drivers/usb/input/hid-core.c @@ -1557,6 +1557,9 @@ void hid_init_reports(struct hid_device *hid) #define USB_VENDOR_ID_HP 0x03f0 #define USB_DEVICE_ID_HP_USBHUB_KB 0x020c +#define USB_VENDOR_ID_IBM 0x04b3 +#define USB_DEVICE_ID_IBM_USBHUB_KB 0x3005 + #define USB_VENDOR_ID_CREATIVELABS 0x062a #define USB_DEVICE_ID_CREATIVELABS_SILVERCREST 0x0201 @@ -1681,6 +1684,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_USBHUB_KB, HID_QUIRK_NOGET}, { USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_CREATIVELABS_SILVERCREST, HID_QUIRK_NOGET }, { USB_VENDOR_ID_HP, USB_DEVICE_ID_HP_USBHUB_KB, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_USBHUB_KB, HID_QUIRK_NOGET }, { USB_VENDOR_ID_TANGTOP, USB_DEVICE_ID_TANGTOP_USBPS2, HID_QUIRK_NOGET }, { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_SILVERCREST, USB_DEVICE_ID_SILVERCREST_KB, HID_QUIRK_NOGET }, diff --git a/drivers/usb/input/hiddev.c b/drivers/usb/input/hiddev.c index 6dd666696178..c4670e1d4654 100644 --- a/drivers/usb/input/hiddev.c +++ b/drivers/usb/input/hiddev.c @@ -317,6 +317,7 @@ static ssize_t hiddev_read(struct file * file, char __user * buffer, size_t coun } schedule(); + set_current_state(TASK_INTERRUPTIBLE); } set_current_state(TASK_RUNNING); diff --git a/drivers/usb/misc/emi26.c b/drivers/usb/misc/emi26.c index 3824df33094e..1fd9cb85f4ca 100644 --- a/drivers/usb/misc/emi26.c +++ b/drivers/usb/misc/emi26.c @@ -15,6 +15,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/usb.h> +#include <linux/delay.h> #define MAX_INTEL_HEX_RECORD_LENGTH 16 typedef struct _INTEL_HEX_RECORD @@ -114,6 +115,7 @@ static int emi26_load_firmware (struct usb_device *dev) /* De-assert reset (let the CPU run) */ err = emi26_set_reset(dev,0); + msleep(250); /* let device settle */ /* 2. We upload the FPGA firmware into the EMI * Note: collect up to 1023 (yes!) bytes and send them with @@ -150,6 +152,7 @@ static int emi26_load_firmware (struct usb_device *dev) goto wraperr; } } + msleep(250); /* let device settle */ /* De-assert reset (let the CPU run) */ err = emi26_set_reset(dev,0); @@ -192,6 +195,7 @@ static int emi26_load_firmware (struct usb_device *dev) err("%s - error loading firmware: error = %d", __FUNCTION__, err); goto wraperr; } + msleep(250); /* let device settle */ /* return 1 to fail the driver inialization * and give real driver change to load */ diff --git a/drivers/usb/misc/emi62.c b/drivers/usb/misc/emi62.c index 52fea2e08db8..fe351371f274 100644 --- a/drivers/usb/misc/emi62.c +++ b/drivers/usb/misc/emi62.c @@ -15,6 +15,7 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/usb.h> +#include <linux/delay.h> #define MAX_INTEL_HEX_RECORD_LENGTH 16 typedef struct _INTEL_HEX_RECORD @@ -123,6 +124,7 @@ static int emi62_load_firmware (struct usb_device *dev) /* De-assert reset (let the CPU run) */ err = emi62_set_reset(dev,0); + msleep(250); /* let device settle */ /* 2. We upload the FPGA firmware into the EMI * Note: collect up to 1023 (yes!) bytes and send them with @@ -166,6 +168,7 @@ static int emi62_load_firmware (struct usb_device *dev) err("%s - error loading firmware: error = %d", __FUNCTION__, err); goto wraperr; } + msleep(250); /* let device settle */ /* 4. We put the part of the firmware that lies in the external RAM into the EZ-USB */ @@ -228,6 +231,7 @@ static int emi62_load_firmware (struct usb_device *dev) err("%s - error loading firmware: error = %d", __FUNCTION__, err); goto wraperr; } + msleep(250); /* let device settle */ kfree(buf); diff --git a/drivers/usb/net/pegasus.c b/drivers/usb/net/pegasus.c index 2deb4c01539e..7683926a1b6f 100644 --- a/drivers/usb/net/pegasus.c +++ b/drivers/usb/net/pegasus.c @@ -318,6 +318,8 @@ static int read_mii_word(pegasus_t * pegasus, __u8 phy, __u8 indx, __u16 * regd) set_register(pegasus, PhyCtrl, (indx | PHY_READ)); for (i = 0; i < REG_TIMEOUT; i++) { ret = get_registers(pegasus, PhyCtrl, 1, data); + if (ret == -ESHUTDOWN) + goto fail; if (data[0] & PHY_DONE) break; } @@ -326,6 +328,7 @@ static int read_mii_word(pegasus_t * pegasus, __u8 phy, __u8 indx, __u16 * regd) *regd = le16_to_cpu(regdi); return ret; } +fail: if (netif_msg_drv(pegasus)) dev_warn(&pegasus->intf->dev, "fail %s\n", __FUNCTION__); @@ -354,12 +357,15 @@ static int write_mii_word(pegasus_t * pegasus, __u8 phy, __u8 indx, __u16 regd) set_register(pegasus, PhyCtrl, (indx | PHY_WRITE)); for (i = 0; i < REG_TIMEOUT; i++) { ret = get_registers(pegasus, PhyCtrl, 1, data); + if (ret == -ESHUTDOWN) + goto fail; if (data[0] & PHY_DONE) break; } if (i < REG_TIMEOUT) return ret; +fail: if (netif_msg_drv(pegasus)) dev_warn(&pegasus->intf->dev, "fail %s\n", __FUNCTION__); return -ETIMEDOUT; @@ -387,6 +393,8 @@ static int read_eprom_word(pegasus_t * pegasus, __u8 index, __u16 * retdata) ret = get_registers(pegasus, EpromCtrl, 1, &tmp); if (tmp & EPROM_DONE) break; + if (ret == -ESHUTDOWN) + goto fail; } if (i < REG_TIMEOUT) { ret = get_registers(pegasus, EpromData, 2, &retdatai); @@ -394,6 +402,7 @@ static int read_eprom_word(pegasus_t * pegasus, __u8 index, __u16 * retdata) return ret; } +fail: if (netif_msg_drv(pegasus)) dev_warn(&pegasus->intf->dev, "fail %s\n", __FUNCTION__); return -ETIMEDOUT; @@ -433,12 +442,15 @@ static int write_eprom_word(pegasus_t * pegasus, __u8 index, __u16 data) for (i = 0; i < REG_TIMEOUT; i++) { ret = get_registers(pegasus, EpromCtrl, 1, &tmp); + if (ret == -ESHUTDOWN) + goto fail; if (tmp & EPROM_DONE) break; } disable_eprom_write(pegasus); if (i < REG_TIMEOUT) return ret; +fail: if (netif_msg_drv(pegasus)) dev_warn(&pegasus->intf->dev, "fail %s\n", __FUNCTION__); return -ETIMEDOUT; @@ -1378,9 +1390,8 @@ static int pegasus_suspend (struct usb_interface *intf, pm_message_t message) struct pegasus *pegasus = usb_get_intfdata(intf); netif_device_detach (pegasus->net); + cancel_delayed_work(&pegasus->carrier_check); if (netif_running(pegasus->net)) { - cancel_delayed_work(&pegasus->carrier_check); - usb_kill_urb(pegasus->rx_urb); usb_kill_urb(pegasus->intr_urb); } @@ -1400,10 +1411,9 @@ static int pegasus_resume (struct usb_interface *intf) pegasus->intr_urb->status = 0; pegasus->intr_urb->actual_length = 0; intr_callback(pegasus->intr_urb, NULL); - - queue_delayed_work(pegasus_workqueue, &pegasus->carrier_check, - CARRIER_CHECK_DELAY); } + queue_delayed_work(pegasus_workqueue, &pegasus->carrier_check, + CARRIER_CHECK_DELAY); return 0; } diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig index f96b73f54bf1..5c60be521561 100644 --- a/drivers/usb/serial/Kconfig +++ b/drivers/usb/serial/Kconfig @@ -71,6 +71,16 @@ config USB_SERIAL_ANYDATA To compile this driver as a module, choose M here: the module will be called anydata. +config USB_SERIAL_ARK3116 + tristate "USB ARK Micro 3116 USB Serial Driver (EXPERIMENTAL)" + depends on USB_SERIAL && EXPERIMENTAL + help + Say Y here if you want to use a ARK Micro 3116 USB to Serial + device. + + To compile this driver as a module, choose M here: the + module will be called ark3116 + config USB_SERIAL_BELKIN tristate "USB Belkin and Peracom Single Port Serial Driver" depends on USB_SERIAL diff --git a/drivers/usb/serial/Makefile b/drivers/usb/serial/Makefile index 93c21245b1af..5a0960fc9d3e 100644 --- a/drivers/usb/serial/Makefile +++ b/drivers/usb/serial/Makefile @@ -13,6 +13,7 @@ usbserial-objs := usb-serial.o generic.o bus.o $(usbserial-obj-y) obj-$(CONFIG_USB_SERIAL_AIRPRIME) += airprime.o obj-$(CONFIG_USB_SERIAL_ANYDATA) += anydata.o +obj-$(CONFIG_USB_SERIAL_ARK3116) += ark3116.o obj-$(CONFIG_USB_SERIAL_BELKIN) += belkin_sa.o obj-$(CONFIG_USB_SERIAL_CP2101) += cp2101.o obj-$(CONFIG_USB_SERIAL_CYBERJACK) += cyberjack.o diff --git a/drivers/usb/serial/airprime.c b/drivers/usb/serial/airprime.c index dbf1f063098c..694b205f9b73 100644 --- a/drivers/usb/serial/airprime.c +++ b/drivers/usb/serial/airprime.c @@ -18,6 +18,7 @@ static struct usb_device_id id_table [] = { { USB_DEVICE(0xf3d, 0x0112) }, /* AirPrime CDMA Wireless PC Card */ { USB_DEVICE(0x1410, 0x1110) }, /* Novatel Wireless Merlin CDMA */ + { USB_DEVICE(0x1199, 0x0112) }, /* Sierra Wireless Aircard 580 */ { }, }; MODULE_DEVICE_TABLE(usb, id_table); diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c new file mode 100644 index 000000000000..8dec796222a0 --- /dev/null +++ b/drivers/usb/serial/ark3116.c @@ -0,0 +1,465 @@ +/* + * ark3116 + * - implements a driver for the arkmicro ark3116 chipset (vendor=0x6547, + * productid=0x0232) (used in a datacable called KQ-U8A) + * + * - based on code by krisfx -> thanks !! + * (see http://www.linuxquestions.org/questions/showthread.php?p=2184457#post2184457) + * + * - based on logs created by usbsnoopy + * + * Author : Simon Schulz [ark3116_driver<AT>auctionant.de] + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/tty.h> +#include <linux/module.h> +#include <linux/usb.h> +#include "usb-serial.h" + + +static int debug; + +static struct usb_device_id id_table [] = { + { USB_DEVICE(0x6547, 0x0232) }, + { }, +}; +MODULE_DEVICE_TABLE(usb, id_table); + +struct ark3116_private { + spinlock_t lock; + u8 termios_initialized; +}; + +static inline void ARK3116_SND(struct usb_serial *serial, int seq, + __u8 request, __u8 requesttype, + __u16 value, __u16 index) +{ + int result; + result = usb_control_msg(serial->dev, + usb_sndctrlpipe(serial->dev,0), + request, requesttype, value, index, + NULL,0x00, 1000); + dbg("%03d > ok",seq); +} + +static inline void ARK3116_RCV(struct usb_serial *serial, int seq, + __u8 request, __u8 requesttype, + __u16 value, __u16 index, __u8 expected, + char *buf) +{ + int result; + result = usb_control_msg(serial->dev, + usb_rcvctrlpipe(serial->dev,0), + request, requesttype, value, index, + buf, 0x0000001, 1000); + if (result) + dbg("%03d < %d bytes [0x%02X]",seq, result, buf[0]); + else + dbg("%03d < 0 bytes", seq); +} + + +static inline void ARK3116_RCV_QUIET(struct usb_serial *serial, + __u8 request, __u8 requesttype, + __u16 value, __u16 index, char *buf) +{ + usb_control_msg(serial->dev, + usb_rcvctrlpipe(serial->dev,0), + request, requesttype, value, index, + buf, 0x0000001, 1000); +} + + +static int ark3116_attach(struct usb_serial *serial) +{ + char *buf; + struct ark3116_private *priv; + int i; + + for (i = 0; i < serial->num_ports; ++i) { + priv = kmalloc (sizeof (struct ark3116_private), GFP_KERNEL); + if (!priv) + goto cleanup; + memset (priv, 0x00, sizeof (struct ark3116_private)); + spin_lock_init(&priv->lock); + + usb_set_serial_port_data(serial->port[i], priv); + } + + buf = kmalloc(1, GFP_KERNEL); + if (!buf) { + dbg("error kmalloc -> out of mem ?"); + goto cleanup; + } + + /* 3 */ + ARK3116_SND(serial, 3,0xFE,0x40,0x0008,0x0002); + ARK3116_SND(serial, 4,0xFE,0x40,0x0008,0x0001); + ARK3116_SND(serial, 5,0xFE,0x40,0x0000,0x0008); + ARK3116_SND(serial, 6,0xFE,0x40,0x0000,0x000B); + + /* <-- seq7 */ + ARK3116_RCV(serial, 7,0xFE,0xC0,0x0000,0x0003, 0x00, buf); + ARK3116_SND(serial, 8,0xFE,0x40,0x0080,0x0003); + ARK3116_SND(serial, 9,0xFE,0x40,0x001A,0x0000); + ARK3116_SND(serial,10,0xFE,0x40,0x0000,0x0001); + ARK3116_SND(serial,11,0xFE,0x40,0x0000,0x0003); + + /* <-- seq12 */ + ARK3116_RCV(serial,12,0xFE,0xC0,0x0000,0x0004, 0x00, buf); + ARK3116_SND(serial,13,0xFE,0x40,0x0000,0x0004); + + /* 14 */ + ARK3116_RCV(serial,14,0xFE,0xC0,0x0000,0x0004, 0x00, buf); + ARK3116_SND(serial,15,0xFE,0x40,0x0000,0x0004); + + /* 16 */ + ARK3116_RCV(serial,16,0xFE,0xC0,0x0000,0x0004, 0x00, buf); + /* --> seq17 */ + ARK3116_SND(serial,17,0xFE,0x40,0x0001,0x0004); + + /* <-- seq18 */ + ARK3116_RCV(serial,18,0xFE,0xC0,0x0000,0x0004, 0x01, buf); + + /* --> seq19 */ + ARK3116_SND(serial,19,0xFE,0x40,0x0003,0x0004); + + + /* <-- seq20 */ + /* seems like serial port status info (RTS, CTS,...) */ + /* returns modem control line status ?! */ + ARK3116_RCV(serial,20,0xFE,0xC0,0x0000,0x0006, 0xFF, buf); + + /* set 9600 baud & do some init ?! */ + ARK3116_SND(serial,147,0xFE,0x40,0x0083,0x0003); + ARK3116_SND(serial,148,0xFE,0x40,0x0038,0x0000); + ARK3116_SND(serial,149,0xFE,0x40,0x0001,0x0001); + ARK3116_SND(serial,150,0xFE,0x40,0x0003,0x0003); + ARK3116_RCV(serial,151,0xFE,0xC0,0x0000,0x0004,0x03, buf); + ARK3116_SND(serial,152,0xFE,0x40,0x0000,0x0003); + ARK3116_RCV(serial,153,0xFE,0xC0,0x0000,0x0003,0x00, buf); + ARK3116_SND(serial,154,0xFE,0x40,0x0003,0x0003); + + kfree(buf); + return(0); + +cleanup: + for (--i; i>=0; --i) + usb_set_serial_port_data(serial->port[i], NULL); + return -ENOMEM; +} + +static void ark3116_set_termios(struct usb_serial_port *port, + struct termios *old_termios) +{ + struct usb_serial *serial = port->serial; + struct ark3116_private *priv = usb_get_serial_port_data(port); + unsigned int cflag = port->tty->termios->c_cflag; + unsigned long flags; + int baud; + int ark3116_baud; + char *buf; + char config; + + config = 0; + + dbg("%s - port %d", __FUNCTION__, port->number); + + if ((!port->tty) || (!port->tty->termios)) { + dbg("%s - no tty structures", __FUNCTION__); + return; + } + + spin_lock_irqsave(&priv->lock, flags); + if (!priv->termios_initialized) { + *(port->tty->termios) = tty_std_termios; + port->tty->termios->c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL; + priv->termios_initialized = 1; + } + spin_unlock_irqrestore(&priv->lock, flags); + + cflag = port->tty->termios->c_cflag; + + /* check that they really want us to change something: */ + if (old_termios) { + if ((cflag == old_termios->c_cflag) && + (RELEVANT_IFLAG(port->tty->termios->c_iflag) == + RELEVANT_IFLAG(old_termios->c_iflag))) { + dbg("%s - nothing to change...", __FUNCTION__); + return; + } + } + + buf = kmalloc(1, GFP_KERNEL); + if (!buf) { + dbg("error kmalloc"); + return; + } + + /* set data bit count (8/7/6/5) */ + if (cflag & CSIZE){ + switch (cflag & CSIZE){ + case CS5: + config |= 0x00; + dbg("setting CS5"); + break; + case CS6: + config |= 0x01; + dbg("setting CS6"); + break; + case CS7: + config |= 0x02; + dbg("setting CS7"); + break; + default: + err ("CSIZE was set but not CS5-CS8, using CS8!"); + case CS8: + config |= 0x03; + dbg("setting CS8"); + break; + } + } + + /* set parity (NONE,EVEN,ODD) */ + if (cflag & PARENB){ + if (cflag & PARODD) { + config |= 0x08; + dbg("setting parity to ODD"); + } else { + config |= 0x18; + dbg("setting parity to EVEN"); + } + } else { + dbg("setting parity to NONE"); + } + + /* SET STOPBIT (1/2) */ + if (cflag & CSTOPB) { + config |= 0x04; + dbg ("setting 2 stop bits"); + } else { + dbg ("setting 1 stop bit"); + } + + + /* set baudrate: */ + baud = 0; + switch (cflag & CBAUD){ + case B0: + err("can't set 0baud, using 9600 instead"); + break; + case B75: baud = 75; break; + case B150: baud = 150; break; + case B300: baud = 300; break; + case B600: baud = 600; break; + case B1200: baud = 1200; break; + case B1800: baud = 1800; break; + case B2400: baud = 2400; break; + case B4800: baud = 4800; break; + case B9600: baud = 9600; break; + case B19200: baud = 19200; break; + case B38400: baud = 38400; break; + case B57600: baud = 57600; break; + case B115200: baud = 115200; break; + case B230400: baud = 230400; break; + case B460800: baud = 460800; break; + default: + dbg("does not support the baudrate requested (fix it)"); + break; + } + + /* set 9600 as default (if given baudrate is invalid for example) */ + if (baud == 0) + baud = 9600; + + /* + * found by try'n'error, be careful, maybe there are other options + * for multiplicator etc! + */ + if (baud == 460800) + /* strange, for 460800 the formula is wrong + * (dont use round(), then 9600baud is wrong) */ + ark3116_baud = 7; + else + ark3116_baud = 3000000 / baud; + + /* ? */ + ARK3116_RCV(serial,0,0xFE,0xC0,0x0000,0x0003, 0x03, buf); + /* offset = buf[0]; */ + /* offset = 0x03; */ + /* dbg("using 0x%04X as target for 0x0003:",0x0080+offset); */ + + + /* set baudrate */ + dbg("setting baudrate to %d (->reg=%d)",baud,ark3116_baud); + ARK3116_SND(serial,147,0xFE,0x40,0x0083,0x0003); + ARK3116_SND(serial,148,0xFE,0x40,(ark3116_baud & 0x00FF) ,0x0000); + ARK3116_SND(serial,149,0xFE,0x40,(ark3116_baud & 0xFF00)>>8,0x0001); + ARK3116_SND(serial,150,0xFE,0x40,0x0003,0x0003); + + /* ? */ + ARK3116_RCV(serial,151,0xFE,0xC0,0x0000,0x0004,0x03, buf); + ARK3116_SND(serial,152,0xFE,0x40,0x0000,0x0003); + + /* set data bit count, stop bit count & parity: */ + dbg("updating bit count, stop bit or parity (cfg=0x%02X)", config); + ARK3116_RCV(serial,153,0xFE,0xC0,0x0000,0x0003,0x00, buf); + ARK3116_SND(serial,154,0xFE,0x40,config,0x0003); + + if (cflag & CRTSCTS) + dbg("CRTSCTS not supported by chipset ?!"); + + /* TEST ARK3116_SND(154,0xFE,0x40,0xFFFF, 0x0006); */ + + kfree(buf); + return; +} + +static int ark3116_open(struct usb_serial_port *port, struct file *filp) +{ + struct termios tmp_termios; + struct usb_serial *serial = port->serial; + char *buf; + int result = 0; + + dbg("%s - port %d", __FUNCTION__, port->number); + + buf = kmalloc(1, GFP_KERNEL); + if (!buf) { + dbg("error kmalloc -> out of mem ?"); + return -ENOMEM; + } + + result = usb_serial_generic_open(port, filp); + if (result) + return result; + + /* open */ + ARK3116_RCV(serial,111,0xFE,0xC0,0x0000,0x0003, 0x02, buf); + + ARK3116_SND(serial,112,0xFE,0x40,0x0082,0x0003); + ARK3116_SND(serial,113,0xFE,0x40,0x001A,0x0000); + ARK3116_SND(serial,114,0xFE,0x40,0x0000,0x0001); + ARK3116_SND(serial,115,0xFE,0x40,0x0002,0x0003); + + ARK3116_RCV(serial,116,0xFE,0xC0,0x0000,0x0004, 0x03, buf); + ARK3116_SND(serial,117,0xFE,0x40,0x0002,0x0004); + + ARK3116_RCV(serial,118,0xFE,0xC0,0x0000,0x0004, 0x02, buf); + ARK3116_SND(serial,119,0xFE,0x40,0x0000,0x0004); + + ARK3116_RCV(serial,120,0xFE,0xC0,0x0000,0x0004, 0x00, buf); + + ARK3116_SND(serial,121,0xFE,0x40,0x0001,0x0004); + + ARK3116_RCV(serial,122,0xFE,0xC0,0x0000,0x0004, 0x01, buf); + + ARK3116_SND(serial,123,0xFE,0x40,0x0003,0x0004); + + /* returns different values (control lines ?!) */ + ARK3116_RCV(serial,124,0xFE,0xC0,0x0000,0x0006, 0xFF, buf); + + /* initialise termios: */ + if (port->tty) + ark3116_set_termios(port, &tmp_termios); + + kfree(buf); + + return result; + +} + +static int ark3116_ioctl(struct usb_serial_port *port, struct file *file, + unsigned int cmd, unsigned long arg) +{ + dbg("ioctl not supported yet..."); + return -ENOIOCTLCMD; +} + +static int ark3116_tiocmget(struct usb_serial_port *port, struct file *file) +{ + struct usb_serial *serial = port->serial; + char *buf; + char temp; + + /* seems like serial port status info (RTS, CTS,...) is stored + * in reg(?) 0x0006 + * pcb connection point 11 = GND -> sets bit4 of response + * pcb connection point 7 = GND -> sets bit6 of response + */ + + buf = kmalloc(1, GFP_KERNEL); + if (!buf) { + dbg("error kmalloc"); + return -ENOMEM; + } + + /* read register: */ + ARK3116_RCV_QUIET(serial,0xFE,0xC0,0x0000,0x0006,buf); + temp = buf[0]; + kfree(buf); + + /* i do not really know if bit4=CTS and bit6=DSR... was just a + * quick guess !! + */ + return (temp & (1<<4) ? TIOCM_CTS : 0) | + (temp & (1<<6) ? TIOCM_DSR : 0); +} + +static struct usb_driver ark3116_driver = { + .name = "ark3116", + .probe = usb_serial_probe, + .disconnect = usb_serial_disconnect, + .id_table = id_table, +}; + +static struct usb_serial_driver ark3116_device = { + .driver = { + .owner = THIS_MODULE, + .name = "ark3116", + }, + .id_table = id_table, + .num_interrupt_in = 1, + .num_bulk_in = 1, + .num_bulk_out = 1, + .num_ports = 1, + .attach = ark3116_attach, + .set_termios = ark3116_set_termios, + .ioctl = ark3116_ioctl, + .tiocmget = ark3116_tiocmget, + .open = ark3116_open, +}; + +static int __init ark3116_init(void) +{ + int retval; + + retval = usb_serial_register(&ark3116_device); + if (retval) + return retval; + retval = usb_register(&ark3116_driver); + if (retval) + usb_serial_deregister(&ark3116_device); + return retval; +} + +static void __exit ark3116_exit(void) +{ + usb_deregister(&ark3116_driver); + usb_serial_deregister(&ark3116_device); +} + +module_init(ark3116_init); +module_exit(ark3116_exit); +MODULE_LICENSE("GPL"); + +module_param(debug, bool, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(debug, "Debug enabled or not"); + diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 82151207d814..986d7622273d 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -307,6 +307,7 @@ static struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = { static struct usb_device_id id_table_combined [] = { + { USB_DEVICE(FTDI_VID, FTDI_ACTZWAVE_PID) }, { USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) }, { USB_DEVICE(FTDI_VID, FTDI_IPLUS_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SIO_PID) }, @@ -498,6 +499,7 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) }, { USB_DEVICE(ICOM_ID1_VID, ICOM_ID1_PID) }, { USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) }, { }, /* Optional parameter entry */ { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h index 2c55a5ea9c99..d69a917e768f 100644 --- a/drivers/usb/serial/ftdi_sio.h +++ b/drivers/usb/serial/ftdi_sio.h @@ -32,6 +32,10 @@ #define FTDI_NF_RIC_PID 0x0001 /* Product Id */ +/* ACT Solutions HomePro ZWave interface (http://www.act-solutions.com/HomePro.htm) */ +#define FTDI_ACTZWAVE_PID 0xF2D0 + + /* www.irtrans.de device */ #define FTDI_IRTRANS_PID 0xFC60 /* Product Id */ @@ -426,6 +430,11 @@ #define PAPOUCH_VID 0x5050 /* Vendor ID */ #define PAPOUCH_TMU_PID 0x0400 /* TMU USB Thermometer */ +/* + * ACG Identification Technologies GmbH products (http://www.acg.de/). + * Submitted by anton -at- goto10 -dot- org. + */ +#define FTDI_ACG_HFDUAL_PID 0xDD20 /* HF Dual ISO Reader (RFID) */ /* Commands */ #define FTDI_SIO_RESET 0 /* Reset the port */ diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c index 476cda107f4f..c62cc2876519 100644 --- a/drivers/usb/serial/generic.c +++ b/drivers/usb/serial/generic.c @@ -138,6 +138,7 @@ int usb_serial_generic_open (struct usb_serial_port *port, struct file *filp) return result; } +EXPORT_SYMBOL_GPL(usb_serial_generic_open); static void generic_cleanup (struct usb_serial_port *port) { diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c index 4d40704dea2c..238033a87092 100644 --- a/drivers/usb/serial/omninet.c +++ b/drivers/usb/serial/omninet.c @@ -257,14 +257,14 @@ static int omninet_write (struct usb_serial_port *port, const unsigned char *buf return (0); } - spin_lock(&port->lock); - if (port->write_urb_busy) { - spin_unlock(&port->lock); + spin_lock(&wport->lock); + if (wport->write_urb_busy) { + spin_unlock(&wport->lock); dbg("%s - already writing", __FUNCTION__); return 0; } - port->write_urb_busy = 1; - spin_unlock(&port->lock); + wport->write_urb_busy = 1; + spin_unlock(&wport->lock); count = (count > OMNINET_BULKOUTSIZE) ? OMNINET_BULKOUTSIZE : count; @@ -283,7 +283,7 @@ static int omninet_write (struct usb_serial_port *port, const unsigned char *buf wport->write_urb->dev = serial->dev; result = usb_submit_urb(wport->write_urb, GFP_ATOMIC); if (result) { - port->write_urb_busy = 0; + wport->write_urb_busy = 0; err("%s - failed submitting write urb, error %d", __FUNCTION__, result); } else result = count; diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 071f86a59c08..9c36f0ece20f 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -189,11 +189,15 @@ static int serial_open (struct tty_struct *tty, struct file * filp) portNumber = tty->index - serial->minor; port = serial->port[portNumber]; - if (!port) - return -ENODEV; + if (!port) { + retval = -ENODEV; + goto bailout_kref_put; + } - if (mutex_lock_interruptible(&port->mutex)) - return -ERESTARTSYS; + if (mutex_lock_interruptible(&port->mutex)) { + retval = -ERESTARTSYS; + goto bailout_kref_put; + } ++port->open_count; @@ -209,7 +213,7 @@ static int serial_open (struct tty_struct *tty, struct file * filp) * safe because we are called with BKL held */ if (!try_module_get(serial->type->driver.owner)) { retval = -ENODEV; - goto bailout_kref_put; + goto bailout_mutex_unlock; } /* only call the device specific open if this @@ -224,10 +228,11 @@ static int serial_open (struct tty_struct *tty, struct file * filp) bailout_module_put: module_put(serial->type->driver.owner); -bailout_kref_put: - kref_put(&serial->kref, destroy_serial); +bailout_mutex_unlock: port->open_count = 0; mutex_unlock(&port->mutex); +bailout_kref_put: + kref_put(&serial->kref, destroy_serial); return retval; } diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c index 334b1db1bd7c..27597c576eff 100644 --- a/drivers/video/backlight/backlight.c +++ b/drivers/video/backlight/backlight.c @@ -29,12 +29,15 @@ static ssize_t backlight_show_power(struct class_device *cdev, char *buf) static ssize_t backlight_store_power(struct class_device *cdev, const char *buf, size_t count) { - int rc = -ENXIO, power; + int rc = -ENXIO; char *endp; struct backlight_device *bd = to_backlight_device(cdev); + int power = simple_strtoul(buf, &endp, 0); + size_t size = endp - buf; - power = simple_strtoul(buf, &endp, 0); - if (*endp && !isspace(*endp)) + if (*endp && isspace(*endp)) + size++; + if (size != count) return -EINVAL; down(&bd->sem); @@ -65,12 +68,15 @@ static ssize_t backlight_show_brightness(struct class_device *cdev, char *buf) static ssize_t backlight_store_brightness(struct class_device *cdev, const char *buf, size_t count) { - int rc = -ENXIO, brightness; + int rc = -ENXIO; char *endp; struct backlight_device *bd = to_backlight_device(cdev); + int brightness = simple_strtoul(buf, &endp, 0); + size_t size = endp - buf; - brightness = simple_strtoul(buf, &endp, 0); - if (*endp && !isspace(*endp)) + if (*endp && isspace(*endp)) + size++; + if (size != count) return -EINVAL; down(&bd->sem); diff --git a/drivers/video/backlight/lcd.c b/drivers/video/backlight/lcd.c index 86908a60c630..bc8ab005a3fb 100644 --- a/drivers/video/backlight/lcd.c +++ b/drivers/video/backlight/lcd.c @@ -31,12 +31,15 @@ static ssize_t lcd_show_power(struct class_device *cdev, char *buf) static ssize_t lcd_store_power(struct class_device *cdev, const char *buf, size_t count) { - int rc, power; + int rc = -ENXIO; char *endp; struct lcd_device *ld = to_lcd_device(cdev); + int power = simple_strtoul(buf, &endp, 0); + size_t size = endp - buf; - power = simple_strtoul(buf, &endp, 0); - if (*endp && !isspace(*endp)) + if (*endp && isspace(*endp)) + size++; + if (size != count) return -EINVAL; down(&ld->sem); @@ -44,8 +47,7 @@ static ssize_t lcd_store_power(struct class_device *cdev, const char *buf, size_ pr_debug("lcd: set power to %d\n", power); ld->props->set_power(ld, power); rc = count; - } else - rc = -ENXIO; + } up(&ld->sem); return rc; @@ -53,14 +55,12 @@ static ssize_t lcd_store_power(struct class_device *cdev, const char *buf, size_ static ssize_t lcd_show_contrast(struct class_device *cdev, char *buf) { - int rc; + int rc = -ENXIO; struct lcd_device *ld = to_lcd_device(cdev); down(&ld->sem); if (likely(ld->props && ld->props->get_contrast)) rc = sprintf(buf, "%d\n", ld->props->get_contrast(ld)); - else - rc = -ENXIO; up(&ld->sem); return rc; @@ -68,12 +68,15 @@ static ssize_t lcd_show_contrast(struct class_device *cdev, char *buf) static ssize_t lcd_store_contrast(struct class_device *cdev, const char *buf, size_t count) { - int rc, contrast; + int rc = -ENXIO; char *endp; struct lcd_device *ld = to_lcd_device(cdev); + int contrast = simple_strtoul(buf, &endp, 0); + size_t size = endp - buf; - contrast = simple_strtoul(buf, &endp, 0); - if (*endp && !isspace(*endp)) + if (*endp && isspace(*endp)) + size++; + if (size != count) return -EINVAL; down(&ld->sem); @@ -81,8 +84,7 @@ static ssize_t lcd_store_contrast(struct class_device *cdev, const char *buf, si pr_debug("lcd: set contrast to %d\n", contrast); ld->props->set_contrast(ld, contrast); rc = count; - } else - rc = -ENXIO; + } up(&ld->sem); return rc; @@ -90,14 +92,12 @@ static ssize_t lcd_store_contrast(struct class_device *cdev, const char *buf, si static ssize_t lcd_show_max_contrast(struct class_device *cdev, char *buf) { - int rc; + int rc = -ENXIO; struct lcd_device *ld = to_lcd_device(cdev); down(&ld->sem); if (likely(ld->props)) rc = sprintf(buf, "%d\n", ld->props->max_contrast); - else - rc = -ENXIO; up(&ld->sem); return rc; diff --git a/drivers/video/i810/i810_main.c b/drivers/video/i810/i810_main.c index 788297e9d59e..44aa2ffff973 100644 --- a/drivers/video/i810/i810_main.c +++ b/drivers/video/i810/i810_main.c @@ -76,8 +76,8 @@ * * Experiment with v_offset to find out which works best for you. */ -static u32 v_offset_default __initdata; /* For 32 MiB Aper size, 8 should be the default */ -static u32 voffset __initdata = 0; +static u32 v_offset_default __devinitdata; /* For 32 MiB Aper size, 8 should be the default */ +static u32 voffset __devinitdata; static int i810fb_cursor(struct fb_info *info, struct fb_cursor *cursor); static int __devinit i810fb_init_pci (struct pci_dev *dev, diff --git a/drivers/video/logo/Makefile b/drivers/video/logo/Makefile index 4ef5cd19609d..b985dfad6c63 100644 --- a/drivers/video/logo/Makefile +++ b/drivers/video/logo/Makefile @@ -34,7 +34,7 @@ extra-y += $(call logo-cfiles,_clut224,ppm) extra-y += $(call logo-cfiles,_gray256,pgm) # Create commands like "pnmtologo -t mono -n logo_mac_mono -o ..." -quiet_cmd_logo = LOGO $@ +quiet_cmd_logo = LOGO $@ cmd_logo = scripts/pnmtologo \ -t $(patsubst $*_%,%,$(notdir $(basename $<))) \ -n $(notdir $(basename $<)) -o $@ $< diff --git a/drivers/video/matrox/g450_pll.c b/drivers/video/matrox/g450_pll.c index 8073a73f6f35..440272ad10e7 100644 --- a/drivers/video/matrox/g450_pll.c +++ b/drivers/video/matrox/g450_pll.c @@ -316,14 +316,24 @@ static int __g450_setclk(WPMINFO unsigned int fout, unsigned int pll, case M_PIXEL_PLL_B: case M_PIXEL_PLL_C: { - u_int8_t tmp; + u_int8_t tmp, xpwrctrl; unsigned long flags; matroxfb_DAC_lock_irqsave(flags); + + xpwrctrl = matroxfb_DAC_in(PMINFO M1064_XPWRCTRL); + matroxfb_DAC_out(PMINFO M1064_XPWRCTRL, xpwrctrl & ~M1064_XPWRCTRL_PANELPDN); + mga_outb(M_SEQ_INDEX, M_SEQ1); + mga_outb(M_SEQ_DATA, mga_inb(M_SEQ_DATA) | M_SEQ1_SCROFF); tmp = matroxfb_DAC_in(PMINFO M1064_XPIXCLKCTRL); + tmp |= M1064_XPIXCLKCTRL_DIS; if (!(tmp & M1064_XPIXCLKCTRL_PLL_UP)) { - matroxfb_DAC_out(PMINFO M1064_XPIXCLKCTRL, tmp | M1064_XPIXCLKCTRL_PLL_UP); + tmp |= M1064_XPIXCLKCTRL_PLL_UP; } + matroxfb_DAC_out(PMINFO M1064_XPIXCLKCTRL, tmp); + matroxfb_DAC_out(PMINFO M1064_XDVICLKCTRL, 0); + matroxfb_DAC_out(PMINFO M1064_XPWRCTRL, xpwrctrl); + matroxfb_DAC_unlock_irqrestore(flags); } { @@ -418,6 +428,15 @@ static int __g450_setclk(WPMINFO unsigned int fout, unsigned int pll, frequency to higher - with <= lowest wins, while with < highest one wins */ if (delta <= deltaarray[idx-1]) { + /* all else being equal except VCO, + * choose VCO not near (within 1/16th or so) VCOmin + * (freqs near VCOmin aren't as stable) + */ + if (delta == deltaarray[idx-1] + && vco != g450_mnp2vco(PMINFO mnparray[idx-1]) + && vco < (pi->vcomin * 17 / 16)) { + break; + } mnparray[idx] = mnparray[idx-1]; deltaarray[idx] = deltaarray[idx-1]; } else { diff --git a/drivers/video/matrox/matroxfb_DAC1064.h b/drivers/video/matrox/matroxfb_DAC1064.h index 2e7238aa2432..56513a5d220b 100644 --- a/drivers/video/matrox/matroxfb_DAC1064.h +++ b/drivers/video/matrox/matroxfb_DAC1064.h @@ -40,6 +40,7 @@ void DAC1064_global_restore(WPMINFO2); #define M1064_XCURCOL1RED 0x0C #define M1064_XCURCOL1GREEN 0x0D #define M1064_XCURCOL1BLUE 0x0E +#define M1064_XDVICLKCTRL 0x0F #define M1064_XCURCOL2RED 0x10 #define M1064_XCURCOL2GREEN 0x11 #define M1064_XCURCOL2BLUE 0x12 @@ -144,6 +145,7 @@ void DAC1064_global_restore(WPMINFO2); #define M1064_XVIDPLLN 0x8F #define M1064_XPWRCTRL 0xA0 +#define M1064_XPWRCTRL_PANELPDN 0x04 #define M1064_XPANMODE 0xA2 diff --git a/drivers/video/matrox/matroxfb_base.h b/drivers/video/matrox/matroxfb_base.h index 3a3e1804c56a..b71737178d0d 100644 --- a/drivers/video/matrox/matroxfb_base.h +++ b/drivers/video/matrox/matroxfb_base.h @@ -672,6 +672,8 @@ void matroxfb_unregister_driver(struct matroxfb_driver* drv); #define M_SEQ_INDEX 0x1FC4 #define M_SEQ_DATA 0x1FC5 +#define M_SEQ1 0x01 +#define M_SEQ1_SCROFF 0x20 #define M_MISC_REG_READ 0x1FCC diff --git a/fs/9p/fcall.c b/fs/9p/fcall.c index 71742ba150c4..6f2617820a4e 100644 --- a/fs/9p/fcall.c +++ b/fs/9p/fcall.c @@ -98,23 +98,20 @@ v9fs_t_attach(struct v9fs_session_info *v9ses, char *uname, char *aname, static void v9fs_t_clunk_cb(void *a, struct v9fs_fcall *tc, struct v9fs_fcall *rc, int err) { - int fid; + int fid, id; struct v9fs_session_info *v9ses; - if (err) - return; - + id = 0; fid = tc->params.tclunk.fid; - kfree(tc); - - if (!rc) - return; - - v9ses = a; - if (rc->id == RCLUNK) - v9fs_put_idpool(fid, &v9ses->fidpool); + if (rc) + id = rc->id; + kfree(tc); kfree(rc); + if (id == RCLUNK) { + v9ses = a; + v9fs_put_idpool(fid, &v9ses->fidpool); + } } /** diff --git a/fs/9p/mux.c b/fs/9p/mux.c index 3e5b124a7212..f4407eb276c7 100644 --- a/fs/9p/mux.c +++ b/fs/9p/mux.c @@ -50,15 +50,23 @@ enum { Wpending = 8, /* can write */ }; +enum { + None, + Flushing, + Flushed, +}; + struct v9fs_mux_poll_task; struct v9fs_req { + spinlock_t lock; int tag; struct v9fs_fcall *tcall; struct v9fs_fcall *rcall; int err; v9fs_mux_req_callback cb; void *cba; + int flush; struct list_head req_list; }; @@ -96,8 +104,8 @@ struct v9fs_mux_poll_task { struct v9fs_mux_rpc { struct v9fs_mux_data *m; - struct v9fs_req *req; int err; + struct v9fs_fcall *tcall; struct v9fs_fcall *rcall; wait_queue_head_t wqueue; }; @@ -524,10 +532,9 @@ again: static void process_request(struct v9fs_mux_data *m, struct v9fs_req *req) { - int ecode, tag; + int ecode; struct v9fs_str *ename; - tag = req->tag; if (!req->err && req->rcall->id == RERROR) { ecode = req->rcall->params.rerror.errno; ename = &req->rcall->params.rerror.error; @@ -553,23 +560,6 @@ static void process_request(struct v9fs_mux_data *m, struct v9fs_req *req) if (!req->err) req->err = -EIO; } - - if (req->err == ERREQFLUSH) - return; - - if (req->cb) { - dprintk(DEBUG_MUX, "calling callback tcall %p rcall %p\n", - req->tcall, req->rcall); - - (*req->cb) (req->cba, req->tcall, req->rcall, req->err); - req->cb = NULL; - } else - kfree(req->rcall); - - v9fs_mux_put_tag(m, tag); - - wake_up(&m->equeue); - kfree(req); } /** @@ -669,17 +659,26 @@ static void v9fs_read_work(void *a) list_for_each_entry_safe(rreq, rptr, &m->req_list, req_list) { if (rreq->tag == rcall->tag) { req = rreq; - req->rcall = rcall; - list_del(&req->req_list); - spin_unlock(&m->lock); - process_request(m, req); + if (req->flush != Flushing) + list_del(&req->req_list); break; } - } + spin_unlock(&m->lock); - if (!req) { - spin_unlock(&m->lock); + if (req) { + req->rcall = rcall; + process_request(m, req); + + if (req->flush != Flushing) { + if (req->cb) + (*req->cb) (req, req->cba); + else + kfree(req->rcall); + + wake_up(&m->equeue); + } + } else { if (err >= 0 && rcall->id != RFLUSH) dprintk(DEBUG_ERROR, "unexpected response mux %p id %d tag %d\n", @@ -746,7 +745,6 @@ static struct v9fs_req *v9fs_send_request(struct v9fs_mux_data *m, return ERR_PTR(-ENOMEM); v9fs_set_tag(tc, n); - if ((v9fs_debug_level&DEBUG_FCALL) == DEBUG_FCALL) { char buf[150]; @@ -754,12 +752,14 @@ static struct v9fs_req *v9fs_send_request(struct v9fs_mux_data *m, printk(KERN_NOTICE "<<< %p %s\n", m, buf); } + spin_lock_init(&req->lock); req->tag = n; req->tcall = tc; req->rcall = NULL; req->err = 0; req->cb = cb; req->cba = cba; + req->flush = None; spin_lock(&m->lock); list_add_tail(&req->req_list, &m->unsent_req_list); @@ -776,72 +776,108 @@ static struct v9fs_req *v9fs_send_request(struct v9fs_mux_data *m, return req; } -static void v9fs_mux_flush_cb(void *a, struct v9fs_fcall *tc, - struct v9fs_fcall *rc, int err) +static void v9fs_mux_free_request(struct v9fs_mux_data *m, struct v9fs_req *req) +{ + v9fs_mux_put_tag(m, req->tag); + kfree(req); +} + +static void v9fs_mux_flush_cb(struct v9fs_req *freq, void *a) { v9fs_mux_req_callback cb; int tag; struct v9fs_mux_data *m; - struct v9fs_req *req, *rptr; + struct v9fs_req *req, *rreq, *rptr; m = a; - dprintk(DEBUG_MUX, "mux %p tc %p rc %p err %d oldtag %d\n", m, tc, - rc, err, tc->params.tflush.oldtag); + dprintk(DEBUG_MUX, "mux %p tc %p rc %p err %d oldtag %d\n", m, + freq->tcall, freq->rcall, freq->err, + freq->tcall->params.tflush.oldtag); spin_lock(&m->lock); cb = NULL; - tag = tc->params.tflush.oldtag; - list_for_each_entry_safe(req, rptr, &m->req_list, req_list) { - if (req->tag == tag) { + tag = freq->tcall->params.tflush.oldtag; + req = NULL; + list_for_each_entry_safe(rreq, rptr, &m->req_list, req_list) { + if (rreq->tag == tag) { + req = rreq; list_del(&req->req_list); - if (req->cb) { - cb = req->cb; - req->cb = NULL; - spin_unlock(&m->lock); - (*cb) (req->cba, req->tcall, req->rcall, - req->err); - } - kfree(req); - wake_up(&m->equeue); break; } } + spin_unlock(&m->lock); - if (!cb) - spin_unlock(&m->lock); + if (req) { + spin_lock(&req->lock); + req->flush = Flushed; + spin_unlock(&req->lock); + + if (req->cb) + (*req->cb) (req, req->cba); + else + kfree(req->rcall); + + wake_up(&m->equeue); + } - v9fs_mux_put_tag(m, tag); - kfree(tc); - kfree(rc); + kfree(freq->tcall); + kfree(freq->rcall); + v9fs_mux_free_request(m, freq); } -static void +static int v9fs_mux_flush_request(struct v9fs_mux_data *m, struct v9fs_req *req) { struct v9fs_fcall *fc; + struct v9fs_req *rreq, *rptr; dprintk(DEBUG_MUX, "mux %p req %p tag %d\n", m, req, req->tag); + /* if a response was received for a request, do nothing */ + spin_lock(&req->lock); + if (req->rcall || req->err) { + spin_unlock(&req->lock); + dprintk(DEBUG_MUX, "mux %p req %p response already received\n", m, req); + return 0; + } + + req->flush = Flushing; + spin_unlock(&req->lock); + + spin_lock(&m->lock); + /* if the request is not sent yet, just remove it from the list */ + list_for_each_entry_safe(rreq, rptr, &m->unsent_req_list, req_list) { + if (rreq->tag == req->tag) { + dprintk(DEBUG_MUX, "mux %p req %p request is not sent yet\n", m, req); + list_del(&rreq->req_list); + req->flush = Flushed; + spin_unlock(&m->lock); + if (req->cb) + (*req->cb) (req, req->cba); + return 0; + } + } + spin_unlock(&m->lock); + + clear_thread_flag(TIF_SIGPENDING); fc = v9fs_create_tflush(req->tag); v9fs_send_request(m, fc, v9fs_mux_flush_cb, m); + return 1; } static void -v9fs_mux_rpc_cb(void *a, struct v9fs_fcall *tc, struct v9fs_fcall *rc, int err) +v9fs_mux_rpc_cb(struct v9fs_req *req, void *a) { struct v9fs_mux_rpc *r; - if (err == ERREQFLUSH) { - kfree(rc); - dprintk(DEBUG_MUX, "err req flush\n"); - return; - } - + dprintk(DEBUG_MUX, "req %p r %p\n", req, a); r = a; - dprintk(DEBUG_MUX, "mux %p req %p tc %p rc %p err %d\n", r->m, r->req, - tc, rc, err); - r->rcall = rc; - r->err = err; + r->rcall = req->rcall; + r->err = req->err; + + if (req->flush!=None && !req->err) + r->err = -ERESTARTSYS; + wake_up(&r->wqueue); } @@ -856,12 +892,13 @@ int v9fs_mux_rpc(struct v9fs_mux_data *m, struct v9fs_fcall *tc, struct v9fs_fcall **rc) { - int err; + int err, sigpending; unsigned long flags; struct v9fs_req *req; struct v9fs_mux_rpc r; r.err = 0; + r.tcall = tc; r.rcall = NULL; r.m = m; init_waitqueue_head(&r.wqueue); @@ -869,48 +906,50 @@ v9fs_mux_rpc(struct v9fs_mux_data *m, struct v9fs_fcall *tc, if (rc) *rc = NULL; + sigpending = 0; + if (signal_pending(current)) { + sigpending = 1; + clear_thread_flag(TIF_SIGPENDING); + } + req = v9fs_send_request(m, tc, v9fs_mux_rpc_cb, &r); if (IS_ERR(req)) { err = PTR_ERR(req); dprintk(DEBUG_MUX, "error %d\n", err); - return PTR_ERR(req); + return err; } - r.req = req; - dprintk(DEBUG_MUX, "mux %p tc %p tag %d rpc %p req %p\n", m, tc, - req->tag, &r, req); err = wait_event_interruptible(r.wqueue, r.rcall != NULL || r.err < 0); if (r.err < 0) err = r.err; if (err == -ERESTARTSYS && m->trans->status == Connected && m->err == 0) { - spin_lock(&m->lock); - req->tcall = NULL; - req->err = ERREQFLUSH; - spin_unlock(&m->lock); + if (v9fs_mux_flush_request(m, req)) { + /* wait until we get response of the flush message */ + do { + clear_thread_flag(TIF_SIGPENDING); + err = wait_event_interruptible(r.wqueue, + r.rcall || r.err); + } while (!r.rcall && !r.err && err==-ERESTARTSYS && + m->trans->status==Connected && !m->err); + } + sigpending = 1; + } - clear_thread_flag(TIF_SIGPENDING); - v9fs_mux_flush_request(m, req); + if (sigpending) { spin_lock_irqsave(¤t->sighand->siglock, flags); recalc_sigpending(); spin_unlock_irqrestore(¤t->sighand->siglock, flags); } - if (!err) { - if (r.rcall) - dprintk(DEBUG_MUX, "got response id %d tag %d\n", - r.rcall->id, r.rcall->tag); - - if (rc) - *rc = r.rcall; - else - kfree(r.rcall); - } else { + if (rc) + *rc = r.rcall; + else kfree(r.rcall); - dprintk(DEBUG_MUX, "got error %d\n", err); - if (err > 0) - err = -EIO; - } + + v9fs_mux_free_request(m, req); + if (err > 0) + err = -EIO; return err; } @@ -951,12 +990,15 @@ void v9fs_mux_cancel(struct v9fs_mux_data *m, int err) struct v9fs_req *req, *rtmp; LIST_HEAD(cancel_list); - dprintk(DEBUG_MUX, "mux %p err %d\n", m, err); + dprintk(DEBUG_ERROR, "mux %p err %d\n", m, err); m->err = err; spin_lock(&m->lock); list_for_each_entry_safe(req, rtmp, &m->req_list, req_list) { list_move(&req->req_list, &cancel_list); } + list_for_each_entry_safe(req, rtmp, &m->unsent_req_list, req_list) { + list_move(&req->req_list, &cancel_list); + } spin_unlock(&m->lock); list_for_each_entry_safe(req, rtmp, &cancel_list, req_list) { @@ -965,11 +1007,9 @@ void v9fs_mux_cancel(struct v9fs_mux_data *m, int err) req->err = err; if (req->cb) - (*req->cb) (req->cba, req->tcall, req->rcall, req->err); + (*req->cb) (req, req->cba); else kfree(req->rcall); - - kfree(req); } wake_up(&m->equeue); diff --git a/fs/9p/mux.h b/fs/9p/mux.h index e90bfd32ea42..fb10c50186a1 100644 --- a/fs/9p/mux.h +++ b/fs/9p/mux.h @@ -24,6 +24,7 @@ */ struct v9fs_mux_data; +struct v9fs_req; /** * v9fs_mux_req_callback - callback function that is called when the @@ -36,8 +37,7 @@ struct v9fs_mux_data; * @rc - response call * @err - error code (non-zero if error occured) */ -typedef void (*v9fs_mux_req_callback)(void *a, struct v9fs_fcall *tc, - struct v9fs_fcall *rc, int err); +typedef void (*v9fs_mux_req_callback)(struct v9fs_req *req, void *a); int v9fs_mux_global_init(void); void v9fs_mux_global_exit(void); diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c index 083dcfcd158e..1a8e46084f0e 100644 --- a/fs/9p/vfs_file.c +++ b/fs/9p/vfs_file.c @@ -72,11 +72,17 @@ int v9fs_file_open(struct inode *inode, struct file *file) return -ENOSPC; } - err = v9fs_t_walk(v9ses, vfid->fid, fid, NULL, NULL); + err = v9fs_t_walk(v9ses, vfid->fid, fid, NULL, &fcall); if (err < 0) { dprintk(DEBUG_ERROR, "rewalk didn't work\n"); - goto put_fid; + if (fcall && fcall->id == RWALK) + goto clunk_fid; + else { + v9fs_put_idpool(fid, &v9ses->fidpool); + goto free_fcall; + } } + kfree(fcall); /* TODO: do special things for O_EXCL, O_NOFOLLOW, O_SYNC */ /* translate open mode appropriately */ @@ -109,8 +115,7 @@ int v9fs_file_open(struct inode *inode, struct file *file) clunk_fid: v9fs_t_clunk(v9ses, fid); -put_fid: - v9fs_put_idpool(fid, &v9ses->fidpool); +free_fcall: kfree(fcall); return err; diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index 133db366d306..2cb87ba4b1c1 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -270,7 +270,10 @@ v9fs_create(struct v9fs_session_info *v9ses, u32 pfid, char *name, u32 perm, err = v9fs_t_walk(v9ses, pfid, fid, NULL, &fcall); if (err < 0) { PRINT_FCALL_ERROR("clone error", fcall); - goto put_fid; + if (fcall && fcall->id == RWALK) + goto clunk_fid; + else + goto put_fid; } kfree(fcall); @@ -322,6 +325,9 @@ v9fs_clone_walk(struct v9fs_session_info *v9ses, u32 fid, struct dentry *dentry) &fcall); if (err < 0) { + if (fcall && fcall->id == RWALK) + goto clunk_fid; + PRINT_FCALL_ERROR("walk error", fcall); v9fs_put_idpool(nfid, &v9ses->fidpool); goto error; @@ -640,19 +646,26 @@ static struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry, } result = v9fs_t_walk(v9ses, dirfidnum, newfid, - (char *)dentry->d_name.name, NULL); + (char *)dentry->d_name.name, &fcall); + if (result < 0) { - v9fs_put_idpool(newfid, &v9ses->fidpool); + if (fcall && fcall->id == RWALK) + v9fs_t_clunk(v9ses, newfid); + else + v9fs_put_idpool(newfid, &v9ses->fidpool); + if (result == -ENOENT) { d_add(dentry, NULL); dprintk(DEBUG_VFS, "Return negative dentry %p count %d\n", dentry, atomic_read(&dentry->d_count)); + kfree(fcall); return NULL; } dprintk(DEBUG_ERROR, "walk error:%d\n", result); goto FreeFcall; } + kfree(fcall); result = v9fs_t_stat(v9ses, newfid, &fcall); if (result < 0) { diff --git a/fs/Makefile b/fs/Makefile index 83bf478e786b..078d3d1191a5 100644 --- a/fs/Makefile +++ b/fs/Makefile @@ -45,6 +45,7 @@ obj-$(CONFIG_DNOTIFY) += dnotify.o obj-$(CONFIG_PROC_FS) += proc/ obj-y += partitions/ obj-$(CONFIG_SYSFS) += sysfs/ +obj-$(CONFIG_CONFIGFS_FS) += configfs/ obj-y += devpts/ obj-$(CONFIG_PROFILING) += dcookies.o @@ -100,5 +101,4 @@ obj-$(CONFIG_BEFS_FS) += befs/ obj-$(CONFIG_HOSTFS) += hostfs/ obj-$(CONFIG_HPPFS) += hppfs/ obj-$(CONFIG_DEBUG_FS) += debugfs/ -obj-$(CONFIG_CONFIGFS_FS) += configfs/ obj-$(CONFIG_OCFS2_FS) += ocfs2/ diff --git a/fs/autofs4/autofs_i.h b/fs/autofs4/autofs_i.h index 57c4903614e5..d6603d02304c 100644 --- a/fs/autofs4/autofs_i.h +++ b/fs/autofs4/autofs_i.h @@ -74,8 +74,8 @@ struct autofs_wait_queue { struct autofs_wait_queue *next; autofs_wqt_t wait_queue_token; /* We use the following to see what we are waiting for */ - int hash; - int len; + unsigned int hash; + unsigned int len; char *name; u32 dev; u64 ino; @@ -85,7 +85,6 @@ struct autofs_wait_queue { pid_t tgid; /* This is for status reporting upon return */ int status; - atomic_t notify; atomic_t wait_ctr; }; diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c index 84e030c8ddd0..5100f984783f 100644 --- a/fs/autofs4/root.c +++ b/fs/autofs4/root.c @@ -327,6 +327,7 @@ static int try_to_fill_dentry(struct dentry *dentry, int flags) static void *autofs4_follow_link(struct dentry *dentry, struct nameidata *nd) { struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb); + struct autofs_info *ino = autofs4_dentry_ino(dentry); int oz_mode = autofs4_oz_mode(sbi); unsigned int lookup_type; int status; @@ -340,13 +341,8 @@ static void *autofs4_follow_link(struct dentry *dentry, struct nameidata *nd) if (oz_mode || !lookup_type) goto done; - /* - * If a request is pending wait for it. - * If it's a mount then it won't be expired till at least - * a liitle later and if it's an expire then we might need - * to mount it again. - */ - if (autofs4_ispending(dentry)) { + /* If an expire request is pending wait for it. */ + if (ino && (ino->flags & AUTOFS_INF_EXPIRING)) { DPRINTK("waiting for active request %p name=%.*s", dentry, dentry->d_name.len, dentry->d_name.name); diff --git a/fs/autofs4/waitq.c b/fs/autofs4/waitq.c index 142ab6aa2aa1..ce103e7b0bc3 100644 --- a/fs/autofs4/waitq.c +++ b/fs/autofs4/waitq.c @@ -189,14 +189,30 @@ static int autofs4_getpath(struct autofs_sb_info *sbi, return len; } +static struct autofs_wait_queue * +autofs4_find_wait(struct autofs_sb_info *sbi, + char *name, unsigned int hash, unsigned int len) +{ + struct autofs_wait_queue *wq; + + for (wq = sbi->queues; wq; wq = wq->next) { + if (wq->hash == hash && + wq->len == len && + wq->name && !memcmp(wq->name, name, len)) + break; + } + return wq; +} + int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry, enum autofs_notify notify) { + struct autofs_info *ino; struct autofs_wait_queue *wq; char *name; unsigned int len = 0; unsigned int hash = 0; - int status; + int status, type; /* In catatonic mode, we don't wait for nobody */ if (sbi->catatonic) @@ -223,21 +239,41 @@ int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry, return -EINTR; } - for (wq = sbi->queues ; wq ; wq = wq->next) { - if (wq->hash == dentry->d_name.hash && - wq->len == len && - wq->name && !memcmp(wq->name, name, len)) - break; - } + wq = autofs4_find_wait(sbi, name, hash, len); + ino = autofs4_dentry_ino(dentry); + if (!wq && ino && notify == NFY_NONE) { + /* + * Either we've betean the pending expire to post it's + * wait or it finished while we waited on the mutex. + * So we need to wait till either, the wait appears + * or the expire finishes. + */ + + while (ino->flags & AUTOFS_INF_EXPIRING) { + mutex_unlock(&sbi->wq_mutex); + schedule_timeout_interruptible(HZ/10); + if (mutex_lock_interruptible(&sbi->wq_mutex)) { + kfree(name); + return -EINTR; + } + wq = autofs4_find_wait(sbi, name, hash, len); + if (wq) + break; + } - if (!wq) { - /* Can't wait for an expire if there's no mount */ - if (notify == NFY_NONE && !d_mountpoint(dentry)) { + /* + * Not ideal but the status has already gone. Of the two + * cases where we wait on NFY_NONE neither depend on the + * return status of the wait. + */ + if (!wq) { kfree(name); mutex_unlock(&sbi->wq_mutex); - return -ENOENT; + return 0; } + } + if (!wq) { /* Create a new wait queue */ wq = kmalloc(sizeof(struct autofs_wait_queue),GFP_KERNEL); if (!wq) { @@ -263,20 +299,7 @@ int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry, wq->tgid = current->tgid; wq->status = -EINTR; /* Status return if interrupted */ atomic_set(&wq->wait_ctr, 2); - atomic_set(&wq->notify, 1); - mutex_unlock(&sbi->wq_mutex); - } else { - atomic_inc(&wq->wait_ctr); mutex_unlock(&sbi->wq_mutex); - kfree(name); - DPRINTK("existing wait id = 0x%08lx, name = %.*s, nfy=%d", - (unsigned long) wq->wait_queue_token, wq->len, wq->name, notify); - } - - if (notify != NFY_NONE && atomic_read(&wq->notify)) { - int type; - - atomic_dec(&wq->notify); if (sbi->version < 5) { if (notify == NFY_MOUNT) @@ -299,6 +322,12 @@ int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry, /* autofs4_notify_daemon() may block */ autofs4_notify_daemon(sbi, wq, type); + } else { + atomic_inc(&wq->wait_ctr); + mutex_unlock(&sbi->wq_mutex); + kfree(name); + DPRINTK("existing wait id = 0x%08lx, name = %.*s, nfy=%d", + (unsigned long) wq->wait_queue_token, wq->len, wq->name, notify); } /* wq->name is NULL if and only if the lock is already released */ diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c index 69f44dcdb0b4..b1c902e319c1 100644 --- a/fs/binfmt_flat.c +++ b/fs/binfmt_flat.c @@ -428,7 +428,6 @@ static int load_flat_file(struct linux_binprm * bprm, loff_t fpos; unsigned long start_code, end_code; int ret; - int exec_fileno; hdr = ((struct flat_hdr *) bprm->buf); /* exec-header */ inode = bprm->file->f_dentry->d_inode; @@ -502,21 +501,12 @@ static int load_flat_file(struct linux_binprm * bprm, goto err; } - /* check file descriptor */ - exec_fileno = get_unused_fd(); - if (exec_fileno < 0) { - ret = -EMFILE; - goto err; - } - get_file(bprm->file); - fd_install(exec_fileno, bprm->file); - /* Flush all traces of the currently running executable */ if (id == 0) { result = flush_old_exec(bprm); if (result) { ret = result; - goto err_close; + goto err; } /* OK, This is the point of no return */ @@ -548,7 +538,7 @@ static int load_flat_file(struct linux_binprm * bprm, textpos = (unsigned long) -ENOMEM; printk("Unable to mmap process text, errno %d\n", (int)-textpos); ret = textpos; - goto err_close; + goto err; } down_write(¤t->mm->mmap_sem); @@ -564,7 +554,7 @@ static int load_flat_file(struct linux_binprm * bprm, (int)-datapos); do_munmap(current->mm, textpos, text_len); ret = realdatastart; - goto err_close; + goto err; } datapos = realdatastart + MAX_SHARED_LIBS * sizeof(unsigned long); @@ -587,7 +577,7 @@ static int load_flat_file(struct linux_binprm * bprm, do_munmap(current->mm, textpos, text_len); do_munmap(current->mm, realdatastart, data_len + extra); ret = result; - goto err_close; + goto err; } reloc = (unsigned long *) (datapos+(ntohl(hdr->reloc_start)-text_len)); @@ -606,7 +596,7 @@ static int load_flat_file(struct linux_binprm * bprm, printk("Unable to allocate RAM for process text/data, errno %d\n", (int)-textpos); ret = textpos; - goto err_close; + goto err; } realdatastart = textpos + ntohl(hdr->data_start); @@ -652,7 +642,7 @@ static int load_flat_file(struct linux_binprm * bprm, do_munmap(current->mm, textpos, text_len + data_len + extra + MAX_SHARED_LIBS * sizeof(unsigned long)); ret = result; - goto err_close; + goto err; } } @@ -717,7 +707,7 @@ static int load_flat_file(struct linux_binprm * bprm, addr = calc_reloc(*rp, libinfo, id, 0); if (addr == RELOC_FAILED) { ret = -ENOEXEC; - goto err_close; + goto err; } *rp = addr; } @@ -747,7 +737,7 @@ static int load_flat_file(struct linux_binprm * bprm, rp = (unsigned long *) calc_reloc(addr, libinfo, id, 1); if (rp == (unsigned long *)RELOC_FAILED) { ret = -ENOEXEC; - goto err_close; + goto err; } /* Get the pointer's value. */ @@ -762,7 +752,7 @@ static int load_flat_file(struct linux_binprm * bprm, addr = calc_reloc(addr, libinfo, id, 0); if (addr == RELOC_FAILED) { ret = -ENOEXEC; - goto err_close; + goto err; } /* Write back the relocated pointer. */ @@ -783,8 +773,6 @@ static int load_flat_file(struct linux_binprm * bprm, stack_len); return 0; -err_close: - sys_close(exec_fileno); err: return ret; } @@ -1116,6 +1116,9 @@ struct bio_pair *bio_split(struct bio *bi, mempool_t *pool, int first_sectors) bp->bio1.bi_io_vec = &bp->bv1; bp->bio2.bi_io_vec = &bp->bv2; + bp->bio1.bi_max_vecs = 1; + bp->bio2.bi_max_vecs = 1; + bp->bio1.bi_end_io = bio_pair_end_1; bp->bio2.bi_end_io = bio_pair_end_2; diff --git a/fs/compat.c b/fs/compat.c index 970888aad843..b1f64786a613 100644 --- a/fs/compat.c +++ b/fs/compat.c @@ -1913,7 +1913,7 @@ asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds, } if (sigmask) { - if (sigsetsize |= sizeof(compat_sigset_t)) + if (sigsetsize != sizeof(compat_sigset_t)) return -EINVAL; if (copy_from_user(&ss32, sigmask, sizeof(ss32))) return -EFAULT; @@ -2030,109 +2030,115 @@ union compat_nfsctl_res { struct knfsd_fh cr32_getfs; }; -static int compat_nfs_svc_trans(struct nfsctl_arg *karg, struct compat_nfsctl_arg __user *arg) +static int compat_nfs_svc_trans(struct nfsctl_arg *karg, + struct compat_nfsctl_arg __user *arg) { - int err; - - err = access_ok(VERIFY_READ, &arg->ca32_svc, sizeof(arg->ca32_svc)); - err |= get_user(karg->ca_version, &arg->ca32_version); - err |= __get_user(karg->ca_svc.svc_port, &arg->ca32_svc.svc32_port); - err |= __get_user(karg->ca_svc.svc_nthreads, &arg->ca32_svc.svc32_nthreads); - return (err) ? -EFAULT : 0; + if (!access_ok(VERIFY_READ, &arg->ca32_svc, sizeof(arg->ca32_svc)) || + get_user(karg->ca_version, &arg->ca32_version) || + __get_user(karg->ca_svc.svc_port, &arg->ca32_svc.svc32_port) || + __get_user(karg->ca_svc.svc_nthreads, + &arg->ca32_svc.svc32_nthreads)) + return -EFAULT; + return 0; } -static int compat_nfs_clnt_trans(struct nfsctl_arg *karg, struct compat_nfsctl_arg __user *arg) -{ - int err; - - err = access_ok(VERIFY_READ, &arg->ca32_client, sizeof(arg->ca32_client)); - err |= get_user(karg->ca_version, &arg->ca32_version); - err |= __copy_from_user(&karg->ca_client.cl_ident[0], - &arg->ca32_client.cl32_ident[0], - NFSCLNT_IDMAX); - err |= __get_user(karg->ca_client.cl_naddr, &arg->ca32_client.cl32_naddr); - err |= __copy_from_user(&karg->ca_client.cl_addrlist[0], - &arg->ca32_client.cl32_addrlist[0], - (sizeof(struct in_addr) * NFSCLNT_ADDRMAX)); - err |= __get_user(karg->ca_client.cl_fhkeytype, - &arg->ca32_client.cl32_fhkeytype); - err |= __get_user(karg->ca_client.cl_fhkeylen, - &arg->ca32_client.cl32_fhkeylen); - err |= __copy_from_user(&karg->ca_client.cl_fhkey[0], - &arg->ca32_client.cl32_fhkey[0], - NFSCLNT_KEYMAX); +static int compat_nfs_clnt_trans(struct nfsctl_arg *karg, + struct compat_nfsctl_arg __user *arg) +{ + if (!access_ok(VERIFY_READ, &arg->ca32_client, + sizeof(arg->ca32_client)) || + get_user(karg->ca_version, &arg->ca32_version) || + __copy_from_user(&karg->ca_client.cl_ident[0], + &arg->ca32_client.cl32_ident[0], + NFSCLNT_IDMAX) || + __get_user(karg->ca_client.cl_naddr, + &arg->ca32_client.cl32_naddr) || + __copy_from_user(&karg->ca_client.cl_addrlist[0], + &arg->ca32_client.cl32_addrlist[0], + (sizeof(struct in_addr) * NFSCLNT_ADDRMAX)) || + __get_user(karg->ca_client.cl_fhkeytype, + &arg->ca32_client.cl32_fhkeytype) || + __get_user(karg->ca_client.cl_fhkeylen, + &arg->ca32_client.cl32_fhkeylen) || + __copy_from_user(&karg->ca_client.cl_fhkey[0], + &arg->ca32_client.cl32_fhkey[0], + NFSCLNT_KEYMAX)) + return -EFAULT; - return (err) ? -EFAULT : 0; + return 0; } -static int compat_nfs_exp_trans(struct nfsctl_arg *karg, struct compat_nfsctl_arg __user *arg) -{ - int err; - - err = access_ok(VERIFY_READ, &arg->ca32_export, sizeof(arg->ca32_export)); - err |= get_user(karg->ca_version, &arg->ca32_version); - err |= __copy_from_user(&karg->ca_export.ex_client[0], - &arg->ca32_export.ex32_client[0], - NFSCLNT_IDMAX); - err |= __copy_from_user(&karg->ca_export.ex_path[0], - &arg->ca32_export.ex32_path[0], - NFS_MAXPATHLEN); - err |= __get_user(karg->ca_export.ex_dev, - &arg->ca32_export.ex32_dev); - err |= __get_user(karg->ca_export.ex_ino, - &arg->ca32_export.ex32_ino); - err |= __get_user(karg->ca_export.ex_flags, - &arg->ca32_export.ex32_flags); - err |= __get_user(karg->ca_export.ex_anon_uid, - &arg->ca32_export.ex32_anon_uid); - err |= __get_user(karg->ca_export.ex_anon_gid, - &arg->ca32_export.ex32_anon_gid); +static int compat_nfs_exp_trans(struct nfsctl_arg *karg, + struct compat_nfsctl_arg __user *arg) +{ + if (!access_ok(VERIFY_READ, &arg->ca32_export, + sizeof(arg->ca32_export)) || + get_user(karg->ca_version, &arg->ca32_version) || + __copy_from_user(&karg->ca_export.ex_client[0], + &arg->ca32_export.ex32_client[0], + NFSCLNT_IDMAX) || + __copy_from_user(&karg->ca_export.ex_path[0], + &arg->ca32_export.ex32_path[0], + NFS_MAXPATHLEN) || + __get_user(karg->ca_export.ex_dev, + &arg->ca32_export.ex32_dev) || + __get_user(karg->ca_export.ex_ino, + &arg->ca32_export.ex32_ino) || + __get_user(karg->ca_export.ex_flags, + &arg->ca32_export.ex32_flags) || + __get_user(karg->ca_export.ex_anon_uid, + &arg->ca32_export.ex32_anon_uid) || + __get_user(karg->ca_export.ex_anon_gid, + &arg->ca32_export.ex32_anon_gid)) + return -EFAULT; SET_UID(karg->ca_export.ex_anon_uid, karg->ca_export.ex_anon_uid); SET_GID(karg->ca_export.ex_anon_gid, karg->ca_export.ex_anon_gid); - return (err) ? -EFAULT : 0; + return 0; } -static int compat_nfs_getfd_trans(struct nfsctl_arg *karg, struct compat_nfsctl_arg __user *arg) -{ - int err; - - err = access_ok(VERIFY_READ, &arg->ca32_getfd, sizeof(arg->ca32_getfd)); - err |= get_user(karg->ca_version, &arg->ca32_version); - err |= __copy_from_user(&karg->ca_getfd.gd_addr, - &arg->ca32_getfd.gd32_addr, - (sizeof(struct sockaddr))); - err |= __copy_from_user(&karg->ca_getfd.gd_path, - &arg->ca32_getfd.gd32_path, - (NFS_MAXPATHLEN+1)); - err |= __get_user(karg->ca_getfd.gd_version, - &arg->ca32_getfd.gd32_version); +static int compat_nfs_getfd_trans(struct nfsctl_arg *karg, + struct compat_nfsctl_arg __user *arg) +{ + if (!access_ok(VERIFY_READ, &arg->ca32_getfd, + sizeof(arg->ca32_getfd)) || + get_user(karg->ca_version, &arg->ca32_version) || + __copy_from_user(&karg->ca_getfd.gd_addr, + &arg->ca32_getfd.gd32_addr, + (sizeof(struct sockaddr))) || + __copy_from_user(&karg->ca_getfd.gd_path, + &arg->ca32_getfd.gd32_path, + (NFS_MAXPATHLEN+1)) || + __get_user(karg->ca_getfd.gd_version, + &arg->ca32_getfd.gd32_version)) + return -EFAULT; - return (err) ? -EFAULT : 0; + return 0; } -static int compat_nfs_getfs_trans(struct nfsctl_arg *karg, struct compat_nfsctl_arg __user *arg) +static int compat_nfs_getfs_trans(struct nfsctl_arg *karg, + struct compat_nfsctl_arg __user *arg) { - int err; - - err = access_ok(VERIFY_READ, &arg->ca32_getfs, sizeof(arg->ca32_getfs)); - err |= get_user(karg->ca_version, &arg->ca32_version); - err |= __copy_from_user(&karg->ca_getfs.gd_addr, - &arg->ca32_getfs.gd32_addr, - (sizeof(struct sockaddr))); - err |= __copy_from_user(&karg->ca_getfs.gd_path, - &arg->ca32_getfs.gd32_path, - (NFS_MAXPATHLEN+1)); - err |= __get_user(karg->ca_getfs.gd_maxlen, - &arg->ca32_getfs.gd32_maxlen); + if (!access_ok(VERIFY_READ,&arg->ca32_getfs,sizeof(arg->ca32_getfs)) || + get_user(karg->ca_version, &arg->ca32_version) || + __copy_from_user(&karg->ca_getfs.gd_addr, + &arg->ca32_getfs.gd32_addr, + (sizeof(struct sockaddr))) || + __copy_from_user(&karg->ca_getfs.gd_path, + &arg->ca32_getfs.gd32_path, + (NFS_MAXPATHLEN+1)) || + __get_user(karg->ca_getfs.gd_maxlen, + &arg->ca32_getfs.gd32_maxlen)) + return -EFAULT; - return (err) ? -EFAULT : 0; + return 0; } /* This really doesn't need translations, we are only passing * back a union which contains opaque nfs file handle data. */ -static int compat_nfs_getfh_res_trans(union nfsctl_res *kres, union compat_nfsctl_res __user *res) +static int compat_nfs_getfh_res_trans(union nfsctl_res *kres, + union compat_nfsctl_res __user *res) { int err; @@ -2141,8 +2147,9 @@ static int compat_nfs_getfh_res_trans(union nfsctl_res *kres, union compat_nfsct return (err) ? -EFAULT : 0; } -asmlinkage long compat_sys_nfsservctl(int cmd, struct compat_nfsctl_arg __user *arg, - union compat_nfsctl_res __user *res) +asmlinkage long compat_sys_nfsservctl(int cmd, + struct compat_nfsctl_arg __user *arg, + union compat_nfsctl_res __user *res) { struct nfsctl_arg *karg; union nfsctl_res *kres; diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c index 5638c8f9362f..5f952187fc53 100644 --- a/fs/configfs/dir.c +++ b/fs/configfs/dir.c @@ -505,13 +505,15 @@ static int populate_groups(struct config_group *group) int i; if (group->default_groups) { - /* FYI, we're faking mkdir here + /* + * FYI, we're faking mkdir here * I'm not sure we need this semaphore, as we're called * from our parent's mkdir. That holds our parent's * i_mutex, so afaik lookup cannot continue through our * parent to find us, let alone mess with our tree. * That said, taking our i_mutex is closer to mkdir - * emulation, and shouldn't hurt. */ + * emulation, and shouldn't hurt. + */ mutex_lock(&dentry->d_inode->i_mutex); for (i = 0; group->default_groups[i]; i++) { @@ -546,20 +548,34 @@ static void unlink_obj(struct config_item *item) item->ci_group = NULL; item->ci_parent = NULL; + + /* Drop the reference for ci_entry */ config_item_put(item); + /* Drop the reference for ci_parent */ config_group_put(group); } } static void link_obj(struct config_item *parent_item, struct config_item *item) { - /* Parent seems redundant with group, but it makes certain - * traversals much nicer. */ + /* + * Parent seems redundant with group, but it makes certain + * traversals much nicer. + */ item->ci_parent = parent_item; + + /* + * We hold a reference on the parent for the child's ci_parent + * link. + */ item->ci_group = config_group_get(to_config_group(parent_item)); list_add_tail(&item->ci_entry, &item->ci_group->cg_children); + /* + * We hold a reference on the child for ci_entry on the parent's + * cg_children + */ config_item_get(item); } @@ -684,6 +700,10 @@ static void client_drop_item(struct config_item *parent_item, type = parent_item->ci_type; BUG_ON(!type); + /* + * If ->drop_item() exists, it is responsible for the + * config_item_put(). + */ if (type->ct_group_ops && type->ct_group_ops->drop_item) type->ct_group_ops->drop_item(to_config_group(parent_item), item); @@ -694,23 +714,28 @@ static void client_drop_item(struct config_item *parent_item, static int configfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) { - int ret; + int ret, module_got = 0; struct config_group *group; struct config_item *item; struct config_item *parent_item; struct configfs_subsystem *subsys; struct configfs_dirent *sd; struct config_item_type *type; - struct module *owner; + struct module *owner = NULL; char *name; - if (dentry->d_parent == configfs_sb->s_root) - return -EPERM; + if (dentry->d_parent == configfs_sb->s_root) { + ret = -EPERM; + goto out; + } sd = dentry->d_parent->d_fsdata; - if (!(sd->s_type & CONFIGFS_USET_DIR)) - return -EPERM; + if (!(sd->s_type & CONFIGFS_USET_DIR)) { + ret = -EPERM; + goto out; + } + /* Get a working ref for the duration of this function */ parent_item = configfs_get_config_item(dentry->d_parent); type = parent_item->ci_type; subsys = to_config_group(parent_item)->cg_subsys; @@ -719,15 +744,16 @@ static int configfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) if (!type || !type->ct_group_ops || (!type->ct_group_ops->make_group && !type->ct_group_ops->make_item)) { - config_item_put(parent_item); - return -EPERM; /* What lack-of-mkdir returns */ + ret = -EPERM; /* Lack-of-mkdir returns -EPERM */ + goto out_put; } name = kmalloc(dentry->d_name.len + 1, GFP_KERNEL); if (!name) { - config_item_put(parent_item); - return -ENOMEM; + ret = -ENOMEM; + goto out_put; } + snprintf(name, dentry->d_name.len + 1, "%s", dentry->d_name.name); down(&subsys->su_sem); @@ -748,40 +774,67 @@ static int configfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) kfree(name); if (!item) { - config_item_put(parent_item); - return -ENOMEM; + /* + * If item == NULL, then link_obj() was never called. + * There are no extra references to clean up. + */ + ret = -ENOMEM; + goto out_put; } - ret = -EINVAL; + /* + * link_obj() has been called (via link_group() for groups). + * From here on out, errors must clean that up. + */ + type = item->ci_type; - if (type) { - owner = type->ct_owner; - if (try_module_get(owner)) { - if (group) { - ret = configfs_attach_group(parent_item, - item, - dentry); - } else { - ret = configfs_attach_item(parent_item, - item, - dentry); - } + if (!type) { + ret = -EINVAL; + goto out_unlink; + } - if (ret) { - down(&subsys->su_sem); - if (group) - unlink_group(group); - else - unlink_obj(item); - client_drop_item(parent_item, item); - up(&subsys->su_sem); + owner = type->ct_owner; + if (!try_module_get(owner)) { + ret = -EINVAL; + goto out_unlink; + } - config_item_put(parent_item); - module_put(owner); - } - } + /* + * I hate doing it this way, but if there is + * an error, module_put() probably should + * happen after any cleanup. + */ + module_got = 1; + + if (group) + ret = configfs_attach_group(parent_item, item, dentry); + else + ret = configfs_attach_item(parent_item, item, dentry); + +out_unlink: + if (ret) { + /* Tear down everything we built up */ + down(&subsys->su_sem); + if (group) + unlink_group(group); + else + unlink_obj(item); + client_drop_item(parent_item, item); + up(&subsys->su_sem); + + if (module_got) + module_put(owner); } +out_put: + /* + * link_obj()/link_group() took a reference from child->parent, + * so the parent is safely pinned. We can drop our working + * reference. + */ + config_item_put(parent_item); + +out: return ret; } @@ -801,6 +854,7 @@ static int configfs_rmdir(struct inode *dir, struct dentry *dentry) if (sd->s_type & CONFIGFS_USET_DEFAULT) return -EPERM; + /* Get a working ref until we have the child */ parent_item = configfs_get_config_item(dentry->d_parent); subsys = to_config_group(parent_item)->cg_subsys; BUG_ON(!subsys); @@ -817,6 +871,7 @@ static int configfs_rmdir(struct inode *dir, struct dentry *dentry) return ret; } + /* Get a working ref for the duration of this function */ item = configfs_get_config_item(dentry); /* Drop reference from above, item already holds one. */ diff --git a/fs/exportfs/expfs.c b/fs/exportfs/expfs.c index b06b54f1bbbb..4c39009350f3 100644 --- a/fs/exportfs/expfs.c +++ b/fs/exportfs/expfs.c @@ -102,7 +102,7 @@ find_exported_dentry(struct super_block *sb, void *obj, void *parent, if (acceptable(context, result)) return result; if (S_ISDIR(result->d_inode->i_mode)) { - /* there is no other dentry, so fail */ + err = -EACCES; goto err_result; } diff --git a/fs/inotify.c b/fs/inotify.c index 1f50302849c5..732ec4bd5774 100644 --- a/fs/inotify.c +++ b/fs/inotify.c @@ -848,7 +848,11 @@ static int inotify_release(struct inode *ignored, struct file *file) inode = watch->inode; mutex_lock(&inode->inotify_mutex); mutex_lock(&dev->mutex); - remove_watch_no_event(watch, dev); + + /* make sure we didn't race with another list removal */ + if (likely(idr_find(&dev->idr, watch->wd))) + remove_watch_no_event(watch, dev); + mutex_unlock(&dev->mutex); mutex_unlock(&inode->inotify_mutex); put_inotify_watch(watch); @@ -890,8 +894,7 @@ static int inotify_ignore(struct inotify_device *dev, s32 wd) mutex_lock(&dev->mutex); /* make sure that we did not race */ - watch = idr_find(&dev->idr, wd); - if (likely(watch)) + if (likely(idr_find(&dev->idr, wd) == watch)) remove_watch(watch, dev); mutex_unlock(&dev->mutex); diff --git a/fs/jffs2/nodelist.c b/fs/jffs2/nodelist.c index d4d0c41490cd..1d46677afd17 100644 --- a/fs/jffs2/nodelist.c +++ b/fs/jffs2/nodelist.c @@ -438,7 +438,8 @@ static int check_node_data(struct jffs2_sb_info *c, struct jffs2_tmp_dnode_info if (c->mtd->point) { err = c->mtd->point(c->mtd, ofs, len, &retlen, &buffer); if (!err && retlen < tn->csize) { - JFFS2_WARNING("MTD point returned len too short: %u instead of %u.\n", retlen, tn->csize); + JFFS2_WARNING("MTD point returned len too short: %zu " + "instead of %u.\n", retlen, tn->csize); c->mtd->unpoint(c->mtd, buffer, ofs, len); } else if (err) JFFS2_WARNING("MTD point failed: error code %d.\n", err); @@ -461,7 +462,8 @@ static int check_node_data(struct jffs2_sb_info *c, struct jffs2_tmp_dnode_info } if (retlen != len) { - JFFS2_ERROR("short read at %#08x: %d instead of %d.\n", ofs, retlen, len); + JFFS2_ERROR("short read at %#08x: %zd instead of %d.\n", + ofs, retlen, len); err = -EIO; goto free_out; } diff --git a/fs/locks.c b/fs/locks.c index efad798824dc..6f99c0a6f836 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -446,15 +446,14 @@ static struct lock_manager_operations lease_manager_ops = { */ static int lease_init(struct file *filp, int type, struct file_lock *fl) { + if (assign_type(fl, type) != 0) + return -EINVAL; + fl->fl_owner = current->files; fl->fl_pid = current->tgid; fl->fl_file = filp; fl->fl_flags = FL_LEASE; - if (assign_type(fl, type) != 0) { - locks_free_lock(fl); - return -EINVAL; - } fl->fl_start = 0; fl->fl_end = OFFSET_MAX; fl->fl_ops = NULL; @@ -466,16 +465,19 @@ static int lease_init(struct file *filp, int type, struct file_lock *fl) static int lease_alloc(struct file *filp, int type, struct file_lock **flp) { struct file_lock *fl = locks_alloc_lock(); - int error; + int error = -ENOMEM; if (fl == NULL) - return -ENOMEM; + goto out; error = lease_init(filp, type, fl); - if (error) - return error; + if (error) { + locks_free_lock(fl); + fl = NULL; + } +out: *flp = fl; - return 0; + return error; } /* Check if two locks overlap each other. @@ -1372,6 +1374,7 @@ static int __setlease(struct file *filp, long arg, struct file_lock **flp) goto out; if (my_before != NULL) { + *flp = *my_before; error = lease->fl_lmops->fl_change(my_before, arg); goto out; } diff --git a/fs/namespace.c b/fs/namespace.c index 2c5f1f80bdc2..bf478addb852 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -899,13 +899,11 @@ static int do_change_type(struct nameidata *nd, int flag) /* * do loopback mount. */ -static int do_loopback(struct nameidata *nd, char *old_name, unsigned long flags, int mnt_flags) +static int do_loopback(struct nameidata *nd, char *old_name, int recurse) { struct nameidata old_nd; struct vfsmount *mnt = NULL; - int recurse = flags & MS_REC; int err = mount_is_safe(nd); - if (err) return err; if (!old_name || !*old_name) @@ -939,7 +937,6 @@ static int do_loopback(struct nameidata *nd, char *old_name, unsigned long flags spin_unlock(&vfsmount_lock); release_mounts(&umount_list); } - mnt->mnt_flags = mnt_flags; out: up_write(&namespace_sem); @@ -1353,7 +1350,7 @@ long do_mount(char *dev_name, char *dir_name, char *type_page, retval = do_remount(&nd, flags & ~MS_REMOUNT, mnt_flags, data_page); else if (flags & MS_BIND) - retval = do_loopback(&nd, dev_name, flags, mnt_flags); + retval = do_loopback(&nd, dev_name, flags & MS_REC); else if (flags & (MS_SHARED | MS_PRIVATE | MS_SLAVE | MS_UNBINDABLE)) retval = do_change_type(&nd, flags); else if (flags & MS_MOVE) diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c index 4e0578121d9a..3eec30000f3f 100644 --- a/fs/nfsd/export.c +++ b/fs/nfsd/export.c @@ -1066,9 +1066,11 @@ exp_pseudoroot(struct auth_domain *clp, struct svc_fh *fhp, rv = nfserr_perm; else if (IS_ERR(exp)) rv = nfserrno(PTR_ERR(exp)); - else + else { rv = fh_compose(fhp, exp, fsid_key->ek_dentry, NULL); + exp_put(exp); + } cache_put(&fsid_key->h, &svc_expkey_cache); return rv; } diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 6aa92d0e6876..1d65f13f458c 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -1922,11 +1922,10 @@ nfsd_set_posix_acl(struct svc_fh *fhp, int type, struct posix_acl *acl) value = kmalloc(size, GFP_KERNEL); if (!value) return -ENOMEM; - size = posix_acl_to_xattr(acl, value, size); - if (size < 0) { - error = size; + error = posix_acl_to_xattr(acl, value, size); + if (error < 0) goto getout; - } + size = error; } else size = 0; diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 0d858d0b25be..47152bf9a7f2 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -276,13 +276,29 @@ static int ocfs2_writepage(struct page *page, struct writeback_control *wbc) return ret; } +/* This can also be called from ocfs2_write_zero_page() which has done + * it's own cluster locking. */ +int ocfs2_prepare_write_nolock(struct inode *inode, struct page *page, + unsigned from, unsigned to) +{ + int ret; + + down_read(&OCFS2_I(inode)->ip_alloc_sem); + + ret = block_prepare_write(page, from, to, ocfs2_get_block); + + up_read(&OCFS2_I(inode)->ip_alloc_sem); + + return ret; +} + /* * ocfs2_prepare_write() can be an outer-most ocfs2 call when it is called * from loopback. It must be able to perform its own locking around * ocfs2_get_block(). */ -int ocfs2_prepare_write(struct file *file, struct page *page, - unsigned from, unsigned to) +static int ocfs2_prepare_write(struct file *file, struct page *page, + unsigned from, unsigned to) { struct inode *inode = page->mapping->host; int ret; @@ -295,11 +311,7 @@ int ocfs2_prepare_write(struct file *file, struct page *page, goto out; } - down_read(&OCFS2_I(inode)->ip_alloc_sem); - - ret = block_prepare_write(page, from, to, ocfs2_get_block); - - up_read(&OCFS2_I(inode)->ip_alloc_sem); + ret = ocfs2_prepare_write_nolock(inode, page, from, to); ocfs2_meta_unlock(inode, 0); out: @@ -625,11 +637,31 @@ static ssize_t ocfs2_direct_IO(int rw, int ret; mlog_entry_void(); + + /* + * We get PR data locks even for O_DIRECT. This allows + * concurrent O_DIRECT I/O but doesn't let O_DIRECT with + * extending and buffered zeroing writes race. If they did + * race then the buffered zeroing could be written back after + * the O_DIRECT I/O. It's one thing to tell people not to mix + * buffered and O_DIRECT writes, but expecting them to + * understand that file extension is also an implicit buffered + * write is too much. By getting the PR we force writeback of + * the buffered zeroing before proceeding. + */ + ret = ocfs2_data_lock(inode, 0); + if (ret < 0) { + mlog_errno(ret); + goto out; + } + ocfs2_data_unlock(inode, 0); + ret = blockdev_direct_IO_no_locking(rw, iocb, inode, inode->i_sb->s_bdev, iov, offset, nr_segs, ocfs2_direct_IO_get_blocks, ocfs2_dio_end_io); +out: mlog_exit(ret); return ret; } diff --git a/fs/ocfs2/aops.h b/fs/ocfs2/aops.h index d40456d509a0..e88c3f0b8fa9 100644 --- a/fs/ocfs2/aops.h +++ b/fs/ocfs2/aops.h @@ -22,8 +22,8 @@ #ifndef OCFS2_AOPS_H #define OCFS2_AOPS_H -int ocfs2_prepare_write(struct file *file, struct page *page, - unsigned from, unsigned to); +int ocfs2_prepare_write_nolock(struct inode *inode, struct page *page, + unsigned from, unsigned to); struct ocfs2_journal_handle *ocfs2_start_walk_page_trans(struct inode *inode, struct page *page, diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c index 4601fc256f11..1a5c69071df6 100644 --- a/fs/ocfs2/extent_map.c +++ b/fs/ocfs2/extent_map.c @@ -569,7 +569,7 @@ static int ocfs2_extent_map_insert(struct inode *inode, ret = -ENOMEM; ctxt.new_ent = kmem_cache_alloc(ocfs2_em_ent_cachep, - GFP_KERNEL); + GFP_NOFS); if (!ctxt.new_ent) { mlog_errno(ret); return ret; @@ -583,14 +583,14 @@ static int ocfs2_extent_map_insert(struct inode *inode, if (ctxt.need_left && !ctxt.left_ent) { ctxt.left_ent = kmem_cache_alloc(ocfs2_em_ent_cachep, - GFP_KERNEL); + GFP_NOFS); if (!ctxt.left_ent) break; } if (ctxt.need_right && !ctxt.right_ent) { ctxt.right_ent = kmem_cache_alloc(ocfs2_em_ent_cachep, - GFP_KERNEL); + GFP_NOFS); if (!ctxt.right_ent) break; } diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 581eb451a41a..a9559c874530 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -613,7 +613,8 @@ leave: /* Some parts of this taken from generic_cont_expand, which turned out * to be too fragile to do exactly what we need without us having to - * worry about recursive locking in ->commit_write(). */ + * worry about recursive locking in ->prepare_write() and + * ->commit_write(). */ static int ocfs2_write_zero_page(struct inode *inode, u64 size) { @@ -641,7 +642,7 @@ static int ocfs2_write_zero_page(struct inode *inode, goto out; } - ret = ocfs2_prepare_write(NULL, page, offset, offset); + ret = ocfs2_prepare_write_nolock(inode, page, offset, offset); if (ret < 0) { mlog_errno(ret); goto out_unlock; @@ -695,13 +696,26 @@ out: return ret; } +/* + * A tail_to_skip value > 0 indicates that we're being called from + * ocfs2_file_aio_write(). This has the following implications: + * + * - we don't want to update i_size + * - di_bh will be NULL, which is fine because it's only used in the + * case where we want to update i_size. + * - ocfs2_zero_extend() will then only be filling the hole created + * between i_size and the start of the write. + */ static int ocfs2_extend_file(struct inode *inode, struct buffer_head *di_bh, - u64 new_i_size) + u64 new_i_size, + size_t tail_to_skip) { int ret = 0; u32 clusters_to_add; + BUG_ON(!tail_to_skip && !di_bh); + /* setattr sometimes calls us like this. */ if (new_i_size == 0) goto out; @@ -714,27 +728,44 @@ static int ocfs2_extend_file(struct inode *inode, OCFS2_I(inode)->ip_clusters; if (clusters_to_add) { - ret = ocfs2_extend_allocation(inode, clusters_to_add); + /* + * protect the pages that ocfs2_zero_extend is going to + * be pulling into the page cache.. we do this before the + * metadata extend so that we don't get into the situation + * where we've extended the metadata but can't get the data + * lock to zero. + */ + ret = ocfs2_data_lock(inode, 1); if (ret < 0) { mlog_errno(ret); goto out; } - ret = ocfs2_zero_extend(inode, new_i_size); + ret = ocfs2_extend_allocation(inode, clusters_to_add); if (ret < 0) { mlog_errno(ret); - goto out; + goto out_unlock; } - } - /* No allocation required, we just use this helper to - * do a trivial update of i_size. */ - ret = ocfs2_simple_size_update(inode, di_bh, new_i_size); - if (ret < 0) { - mlog_errno(ret); - goto out; + ret = ocfs2_zero_extend(inode, (u64)new_i_size - tail_to_skip); + if (ret < 0) { + mlog_errno(ret); + goto out_unlock; + } + } + + if (!tail_to_skip) { + /* We're being called from ocfs2_setattr() which wants + * us to update i_size */ + ret = ocfs2_simple_size_update(inode, di_bh, new_i_size); + if (ret < 0) + mlog_errno(ret); } +out_unlock: + if (clusters_to_add) /* this is the only case in which we lock */ + ocfs2_data_unlock(inode, 1); + out: return ret; } @@ -793,7 +824,7 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr) if (i_size_read(inode) > attr->ia_size) status = ocfs2_truncate_file(inode, bh, attr->ia_size); else - status = ocfs2_extend_file(inode, bh, attr->ia_size); + status = ocfs2_extend_file(inode, bh, attr->ia_size, 0); if (status < 0) { if (status != -ENOSPC) mlog_errno(status); @@ -1049,21 +1080,12 @@ static ssize_t ocfs2_file_aio_write(struct kiocb *iocb, if (!clusters) break; - ret = ocfs2_extend_allocation(inode, clusters); + ret = ocfs2_extend_file(inode, NULL, newsize, count); if (ret < 0) { if (ret != -ENOSPC) mlog_errno(ret); goto out; } - - /* Fill any holes which would've been created by this - * write. If we're O_APPEND, this will wind up - * (correctly) being a noop. */ - ret = ocfs2_zero_extend(inode, (u64) newsize - count); - if (ret < 0) { - mlog_errno(ret); - goto out; - } break; } @@ -1146,6 +1168,22 @@ static ssize_t ocfs2_file_aio_read(struct kiocb *iocb, ocfs2_iocb_set_rw_locked(iocb); } + /* + * We're fine letting folks race truncates and extending + * writes with read across the cluster, just like they can + * locally. Hence no rw_lock during read. + * + * Take and drop the meta data lock to update inode fields + * like i_size. This allows the checks down below + * generic_file_aio_read() a chance of actually working. + */ + ret = ocfs2_meta_lock(inode, NULL, NULL, 0); + if (ret < 0) { + mlog_errno(ret); + goto bail; + } + ocfs2_meta_unlock(inode, 0); + ret = generic_file_aio_read(iocb, buf, count, iocb->ki_pos); if (ret == -EINVAL) mlog(ML_ERROR, "generic_file_aio_read returned -EINVAL\n"); diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c index 6a610ae53583..eebc3cfa6be8 100644 --- a/fs/ocfs2/journal.c +++ b/fs/ocfs2/journal.c @@ -117,7 +117,7 @@ struct ocfs2_journal_handle *ocfs2_alloc_handle(struct ocfs2_super *osb) { struct ocfs2_journal_handle *retval = NULL; - retval = kcalloc(1, sizeof(*retval), GFP_KERNEL); + retval = kcalloc(1, sizeof(*retval), GFP_NOFS); if (!retval) { mlog(ML_ERROR, "Failed to allocate memory for journal " "handle!\n"); @@ -870,9 +870,11 @@ static int ocfs2_force_read_journal(struct inode *inode) if (p_blocks > CONCURRENT_JOURNAL_FILL) p_blocks = CONCURRENT_JOURNAL_FILL; + /* We are reading journal data which should not + * be put in the uptodate cache */ status = ocfs2_read_blocks(OCFS2_SB(inode->i_sb), p_blkno, p_blocks, bhs, 0, - inode); + NULL); if (status < 0) { mlog_errno(status); goto bail; @@ -982,7 +984,7 @@ static void ocfs2_queue_recovery_completion(struct ocfs2_journal *journal, { struct ocfs2_la_recovery_item *item; - item = kmalloc(sizeof(struct ocfs2_la_recovery_item), GFP_KERNEL); + item = kmalloc(sizeof(struct ocfs2_la_recovery_item), GFP_NOFS); if (!item) { /* Though we wish to avoid it, we are in fact safe in * skipping local alloc cleanup as fsck.ocfs2 is more diff --git a/fs/ocfs2/uptodate.c b/fs/ocfs2/uptodate.c index 04a684dfdd96..b8a00a793326 100644 --- a/fs/ocfs2/uptodate.c +++ b/fs/ocfs2/uptodate.c @@ -337,7 +337,7 @@ static void __ocfs2_set_buffer_uptodate(struct ocfs2_inode_info *oi, (unsigned long long)oi->ip_blkno, (unsigned long long)block, expand_tree); - new = kmem_cache_alloc(ocfs2_uptodate_cachep, GFP_KERNEL); + new = kmem_cache_alloc(ocfs2_uptodate_cachep, GFP_NOFS); if (!new) { mlog_errno(-ENOMEM); return; @@ -349,7 +349,7 @@ static void __ocfs2_set_buffer_uptodate(struct ocfs2_inode_info *oi, * has no way of tracking that. */ for(i = 0; i < OCFS2_INODE_MAX_CACHE_ARRAY; i++) { tree[i] = kmem_cache_alloc(ocfs2_uptodate_cachep, - GFP_KERNEL); + GFP_NOFS); if (!tree[i]) { mlog_errno(-ENOMEM); goto out_free; diff --git a/fs/ocfs2/vote.c b/fs/ocfs2/vote.c index 53049a204197..ee42765a8553 100644 --- a/fs/ocfs2/vote.c +++ b/fs/ocfs2/vote.c @@ -586,7 +586,7 @@ static struct ocfs2_net_wait_ctxt *ocfs2_new_net_wait_ctxt(unsigned int response { struct ocfs2_net_wait_ctxt *w; - w = kcalloc(1, sizeof(*w), GFP_KERNEL); + w = kcalloc(1, sizeof(*w), GFP_NOFS); if (!w) { mlog_errno(-ENOMEM); goto bail; @@ -749,7 +749,7 @@ static struct ocfs2_vote_msg * ocfs2_new_vote_request(struct ocfs2_super *osb, BUG_ON(!ocfs2_is_valid_vote_request(type)); - request = kcalloc(1, sizeof(*request), GFP_KERNEL); + request = kcalloc(1, sizeof(*request), GFP_NOFS); if (!request) { mlog_errno(-ENOMEM); } else { @@ -1129,7 +1129,7 @@ static int ocfs2_handle_vote_message(struct o2net_msg *msg, struct ocfs2_super *osb = data; struct ocfs2_vote_work *work; - work = kmalloc(sizeof(struct ocfs2_vote_work), GFP_KERNEL); + work = kmalloc(sizeof(struct ocfs2_vote_work), GFP_NOFS); if (!work) { status = -ENOMEM; mlog_errno(status); diff --git a/fs/open.c b/fs/open.c index 53ec28c36777..317b7c7f38a7 100644 --- a/fs/open.c +++ b/fs/open.c @@ -1124,7 +1124,6 @@ asmlinkage long sys_openat(int dfd, const char __user *filename, int flags, prevent_tail_call(ret); return ret; } -EXPORT_SYMBOL_GPL(sys_openat); #ifndef __alpha__ diff --git a/fs/partitions/check.c b/fs/partitions/check.c index 45ae7dd3c650..7ef1f094de91 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -533,6 +533,7 @@ void del_gendisk(struct gendisk *disk) devfs_remove_disk(disk); + kobject_uevent(&disk->kobj, KOBJ_REMOVE); if (disk->holder_dir) kobject_unregister(disk->holder_dir); if (disk->slave_dir) @@ -545,7 +546,7 @@ void del_gendisk(struct gendisk *disk) kfree(disk_name); } put_device(disk->driverfs_dev); + disk->driverfs_dev = NULL; } - kobject_uevent(&disk->kobj, KOBJ_REMOVE); kobject_del(&disk->kobj); } diff --git a/fs/smbfs/dir.c b/fs/smbfs/dir.c index 34c7a11d91f0..70d9c5a37f5a 100644 --- a/fs/smbfs/dir.c +++ b/fs/smbfs/dir.c @@ -434,6 +434,11 @@ smb_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) if (dentry->d_name.len > SMB_MAXNAMELEN) goto out; + /* Do not allow lookup of names with backslashes in */ + error = -EINVAL; + if (memchr(dentry->d_name.name, '\\', dentry->d_name.len)) + goto out; + lock_kernel(); error = smb_proc_getattr(dentry, &finfo); #ifdef SMBFS_PARANOIA diff --git a/fs/smbfs/request.c b/fs/smbfs/request.c index c71c375863cc..c71dd2760d32 100644 --- a/fs/smbfs/request.c +++ b/fs/smbfs/request.c @@ -339,9 +339,11 @@ int smb_add_request(struct smb_request *req) /* * On timeout or on interrupt we want to try and remove the * request from the recvq/xmitq. + * First check if the request is still part of a queue. (May + * have been removed by some error condition) */ smb_lock_server(server); - if (!(req->rq_flags & SMB_REQ_RECEIVED)) { + if (!list_empty(&req->rq_queue)) { list_del_init(&req->rq_queue); smb_rput(req); } diff --git a/fs/xfs/xfs_alloc.c b/fs/xfs/xfs_alloc.c index 64ee07db0d5e..8558226281c4 100644 --- a/fs/xfs/xfs_alloc.c +++ b/fs/xfs/xfs_alloc.c @@ -1942,8 +1942,10 @@ xfs_alloc_fix_freelist( /* * Allocate as many blocks as possible at once. */ - if ((error = xfs_alloc_ag_vextent(&targs))) + if ((error = xfs_alloc_ag_vextent(&targs))) { + xfs_trans_brelse(tp, agflbp); return error; + } /* * Stop if we run out. Won't happen if callers are obeying * the restrictions correctly. Can happen for free calls @@ -1960,6 +1962,7 @@ xfs_alloc_fix_freelist( return error; } } + xfs_trans_brelse(tp, agflbp); args->agbp = agbp; return 0; } diff --git a/fs/xfs/xfs_rename.c b/fs/xfs/xfs_rename.c index 81a05cfd77d2..1f148762eb28 100644 --- a/fs/xfs/xfs_rename.c +++ b/fs/xfs/xfs_rename.c @@ -316,6 +316,18 @@ xfs_rename( } } + /* + * If we are using project inheritance, we only allow renames + * into our tree when the project IDs are the same; else the + * tree quota mechanism would be circumvented. + */ + if (unlikely((target_dp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) && + (target_dp->i_d.di_projid != src_ip->i_d.di_projid))) { + error = XFS_ERROR(EXDEV); + xfs_rename_unlock4(inodes, XFS_ILOCK_SHARED); + goto rele_return; + } + new_parent = (src_dp != target_dp); src_is_directory = ((src_ip->i_d.di_mode & S_IFMT) == S_IFDIR); diff --git a/fs/xfs/xfs_vfsops.c b/fs/xfs/xfs_vfsops.c index f0e09ca14139..36ea1b2094f2 100644 --- a/fs/xfs/xfs_vfsops.c +++ b/fs/xfs/xfs_vfsops.c @@ -669,31 +669,22 @@ xfs_mntupdate( xfs_mount_t *mp = XFS_BHVTOM(bdp); int error; - if (args->flags & XFSMNT_BARRIER) - mp->m_flags |= XFS_MOUNT_BARRIER; - else - mp->m_flags &= ~XFS_MOUNT_BARRIER; - - if ((vfsp->vfs_flag & VFS_RDONLY) && - !(*flags & MS_RDONLY)) { - vfsp->vfs_flag &= ~VFS_RDONLY; - - if (args->flags & XFSMNT_BARRIER) + if (!(*flags & MS_RDONLY)) { /* rw/ro -> rw */ + if (vfsp->vfs_flag & VFS_RDONLY) + vfsp->vfs_flag &= ~VFS_RDONLY; + if (args->flags & XFSMNT_BARRIER) { + mp->m_flags |= XFS_MOUNT_BARRIER; xfs_mountfs_check_barriers(mp); - } - - if (!(vfsp->vfs_flag & VFS_RDONLY) && - (*flags & MS_RDONLY)) { + } else { + mp->m_flags &= ~XFS_MOUNT_BARRIER; + } + } else if (!(vfsp->vfs_flag & VFS_RDONLY)) { /* rw -> ro */ VFS_SYNC(vfsp, SYNC_FSDATA|SYNC_BDFLUSH|SYNC_ATTR, NULL, error); - xfs_quiesce_fs(mp); - - /* Ok now write out an unmount record */ xfs_log_unmount_write(mp); xfs_unmountfs_writesb(mp); vfsp->vfs_flag |= VFS_RDONLY; } - return 0; } diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index fa71b305ba5c..7027ae68ee38 100644 --- a/fs/xfs/xfs_vnodeops.c +++ b/fs/xfs/xfs_vnodeops.c @@ -2663,7 +2663,7 @@ xfs_link( */ if (unlikely((tdp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) && (tdp->i_d.di_projid != sip->i_d.di_projid))) { - error = XFS_ERROR(EPERM); + error = XFS_ERROR(EXDEV); goto error_return; } diff --git a/include/asm-arm/arch-aaec2000/debug-macro.S b/include/asm-arm/arch-aaec2000/debug-macro.S index e4f1fa539a74..7b1fce021d8a 100644 --- a/include/asm-arm/arch-aaec2000/debug-macro.S +++ b/include/asm-arm/arch-aaec2000/debug-macro.S @@ -9,6 +9,7 @@ * published by the Free Software Foundation. */ +#include "hardware.h" .macro addruart,rx mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? diff --git a/include/asm-arm/arch-aaec2000/entry-macro.S b/include/asm-arm/arch-aaec2000/entry-macro.S index df31313ab07e..1eb3503bd16e 100644 --- a/include/asm-arm/arch-aaec2000/entry-macro.S +++ b/include/asm-arm/arch-aaec2000/entry-macro.S @@ -10,6 +10,7 @@ * published by the Free Software Foundation. * */ +#include <asm/arch/irqs.h> .macro disable_fiq .endm diff --git a/include/asm-arm/arch-imx/debug-macro.S b/include/asm-arm/arch-imx/debug-macro.S index 83f552f7bcc1..c611871643a2 100644 --- a/include/asm-arm/arch-imx/debug-macro.S +++ b/include/asm-arm/arch-imx/debug-macro.S @@ -16,7 +16,7 @@ tst \rx, #1 @ MMU enabled? moveq \rx, #0x00000000 @ physical movne \rx, #0xe0000000 @ virtual - orr \rx, \rx, #0x00200000 + orreq \rx, \rx, #0x00200000 @ physical orr \rx, \rx, #0x00006000 @ UART1 offset .endm diff --git a/include/asm-arm/arch-pxa/pxa2xx_spi.h b/include/asm-arm/arch-pxa/pxa2xx_spi.h new file mode 100644 index 000000000000..915590c391c8 --- /dev/null +++ b/include/asm-arm/arch-pxa/pxa2xx_spi.h @@ -0,0 +1,71 @@ +/* + * Copyright (C) 2005 Stephen Street / StreetFire Sound Labs + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef PXA2XX_SPI_H_ +#define PXA2XX_SPI_H_ + +#define PXA2XX_CS_ASSERT (0x01) +#define PXA2XX_CS_DEASSERT (0x02) + +#if defined(CONFIG_PXA25x) +#define CLOCK_SPEED_HZ 3686400 +#define SSP1_SerClkDiv(x) (((CLOCK_SPEED_HZ/2/(x+1))<<8)&0x0000ff00) +#define SSP2_SerClkDiv(x) (((CLOCK_SPEED_HZ/(x+1))<<8)&0x000fff00) +#define SSP3_SerClkDiv(x) (((CLOCK_SPEED_HZ/(x+1))<<8)&0x000fff00) +#define SSP_TIMEOUT_SCALE (2712) +#elif defined(CONFIG_PXA27x) +#define CLOCK_SPEED_HZ 13000000 +#define SSP1_SerClkDiv(x) (((CLOCK_SPEED_HZ/(x+1))<<8)&0x000fff00) +#define SSP2_SerClkDiv(x) (((CLOCK_SPEED_HZ/(x+1))<<8)&0x000fff00) +#define SSP3_SerClkDiv(x) (((CLOCK_SPEED_HZ/(x+1))<<8)&0x000fff00) +#define SSP_TIMEOUT_SCALE (769) +#endif + +#define SSP_TIMEOUT(x) ((x*10000)/SSP_TIMEOUT_SCALE) +#define SSP1_VIRT ((void *)(io_p2v(__PREG(SSCR0_P(1))))) +#define SSP2_VIRT ((void *)(io_p2v(__PREG(SSCR0_P(2))))) +#define SSP3_VIRT ((void *)(io_p2v(__PREG(SSCR0_P(3))))) + +enum pxa_ssp_type { + SSP_UNDEFINED = 0, + PXA25x_SSP, /* pxa 210, 250, 255, 26x */ + PXA25x_NSSP, /* pxa 255, 26x (including ASSP) */ + PXA27x_SSP, +}; + +/* device.platform_data for SSP controller devices */ +struct pxa2xx_spi_master { + enum pxa_ssp_type ssp_type; + u32 clock_enable; + u16 num_chipselect; + u8 enable_dma; +}; + +/* spi_board_info.controller_data for SPI slave devices, + * copied to spi_device.platform_data ... mostly for dma tuning + */ +struct pxa2xx_spi_chip { + u8 tx_threshold; + u8 rx_threshold; + u8 dma_burst_size; + u32 timeout_microsecs; + u8 enable_loopback; + void (*cs_control)(u32 command); +}; + +#endif /*PXA2XX_SPI_H_*/ diff --git a/include/asm-arm/arch-s3c2410/spi-gpio.h b/include/asm-arm/arch-s3c2410/spi-gpio.h new file mode 100644 index 000000000000..258c00bca270 --- /dev/null +++ b/include/asm-arm/arch-s3c2410/spi-gpio.h @@ -0,0 +1,31 @@ +/* linux/include/asm-arm/arch-s3c2410/spi.h + * + * Copyright (c) 2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2410 - SPI Controller platfrom_device info + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_ARCH_SPIGPIO_H +#define __ASM_ARCH_SPIGPIO_H __FILE__ + +struct s3c2410_spigpio_info; +struct spi_board_info; + +struct s3c2410_spigpio_info { + unsigned long pin_clk; + unsigned long pin_mosi; + unsigned long pin_miso; + + unsigned long board_size; + struct spi_board_info *board_info; + + void (*chip_select)(struct s3c2410_spigpio_info *spi, int cs); +}; + + +#endif /* __ASM_ARCH_SPIGPIO_H */ diff --git a/include/asm-arm/arch-s3c2410/spi.h b/include/asm-arm/arch-s3c2410/spi.h new file mode 100644 index 000000000000..4029a1a1ab40 --- /dev/null +++ b/include/asm-arm/arch-s3c2410/spi.h @@ -0,0 +1,29 @@ +/* linux/include/asm-arm/arch-s3c2410/spi.h + * + * Copyright (c) 2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2410 - SPI Controller platform_device info + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_ARCH_SPI_H +#define __ASM_ARCH_SPI_H __FILE__ + +struct s3c2410_spi_info; +struct spi_board_info; + +struct s3c2410_spi_info { + unsigned long pin_cs; /* simple gpio cs */ + + unsigned long board_size; + struct spi_board_info *board_info; + + void (*set_cs)(struct s3c2410_spi_info *spi, int cs, int pol); +}; + + +#endif /* __ASM_ARCH_SPI_H */ diff --git a/include/asm-arm/procinfo.h b/include/asm-arm/procinfo.h index a9c75b2c314f..842526055225 100644 --- a/include/asm-arm/procinfo.h +++ b/include/asm-arm/procinfo.h @@ -45,8 +45,6 @@ extern unsigned int elf_hwcap; #endif /* __ASSEMBLY__ */ -#define PROC_INFO_SZ 48 - #define HWCAP_SWP 1 #define HWCAP_HALF 2 #define HWCAP_THUMB 4 diff --git a/include/asm-arm/spinlock.h b/include/asm-arm/spinlock.h index 43ad4e55878c..406ca97a8ab2 100644 --- a/include/asm-arm/spinlock.h +++ b/include/asm-arm/spinlock.h @@ -142,6 +142,9 @@ static inline void __raw_write_unlock(raw_rwlock_t *rw) : "cc"); } +/* write_can_lock - would write_trylock() succeed? */ +#define __raw_write_can_lock(x) ((x)->lock == 0x80000000) + /* * Read locks are a bit more hairy: * - Exclusively load the lock value. @@ -198,4 +201,7 @@ static inline void __raw_read_unlock(raw_rwlock_t *rw) #define __raw_read_trylock(lock) generic__raw_read_trylock(lock) +/* read_can_lock - would read_trylock() succeed? */ +#define __raw_read_can_lock(x) ((x)->lock < 0x80000000) + #endif /* __ASM_SPINLOCK_H */ diff --git a/include/asm-i386/io_apic.h b/include/asm-i386/io_apic.h index 7d3e82d4b69d..5092e819b8a2 100644 --- a/include/asm-i386/io_apic.h +++ b/include/asm-i386/io_apic.h @@ -199,6 +199,7 @@ extern int io_apic_get_unique_id (int ioapic, int apic_id); extern int io_apic_get_version (int ioapic); extern int io_apic_get_redir_entries (int ioapic); extern int io_apic_set_pci_routing (int ioapic, int pin, int irq, int edge_level, int active_high_low); +extern int timer_uses_ioapic_pin_0; #endif /* CONFIG_ACPI */ extern int (*ioapic_renumber_irq)(int ioapic, int irq); diff --git a/include/asm-ia64/bitops.h b/include/asm-ia64/bitops.h index 90921e162793..6cc517e212a9 100644 --- a/include/asm-ia64/bitops.h +++ b/include/asm-ia64/bitops.h @@ -11,7 +11,6 @@ #include <linux/compiler.h> #include <linux/types.h> -#include <asm/bitops.h> #include <asm/intrinsics.h> /** diff --git a/include/asm-powerpc/unistd.h b/include/asm-powerpc/unistd.h index 9e2c9e1c1239..eb66eae6616f 100644 --- a/include/asm-powerpc/unistd.h +++ b/include/asm-powerpc/unistd.h @@ -321,10 +321,12 @@ #define __NR_readlinkat 296 #define __NR_fchmodat 297 #define __NR_faccessat 298 +#define __NR_get_robust_list 299 +#define __NR_set_robust_list 300 #ifdef __KERNEL__ -#define __NR_syscalls 299 +#define __NR_syscalls 301 #define __NR__exit __NR_exit #define NR_syscalls __NR_syscalls diff --git a/include/asm-ppc/page.h b/include/asm-ppc/page.h index 352faa4b0d4b..0b19af82507f 100644 --- a/include/asm-ppc/page.h +++ b/include/asm-ppc/page.h @@ -18,6 +18,7 @@ /* This must match what is in arch/ppc/Makefile */ #define PAGE_OFFSET CONFIG_KERNEL_START #define KERNELBASE PAGE_OFFSET +#define is_kernel_addr(x) ((x) >= PAGE_OFFSET) #ifndef __ASSEMBLY__ diff --git a/include/asm-s390/unistd.h b/include/asm-s390/unistd.h index 40efbe84221d..e21443d3ea1d 100644 --- a/include/asm-s390/unistd.h +++ b/include/asm-s390/unistd.h @@ -296,8 +296,14 @@ #define __NR_pselect6 301 #define __NR_ppoll 302 #define __NR_unshare 303 +#define __NR_set_robust_list 304 +#define __NR_get_robust_list 305 +#define __NR_splice 306 +#define __NR_sync_file_range 307 +#define __NR_tee 308 +#define __NR_vmsplice 309 -#define NR_syscalls 304 +#define NR_syscalls 310 /* * There are some system calls that are not present on 64 bit, some diff --git a/include/asm-sparc/unistd.h b/include/asm-sparc/unistd.h index 5489c5a3c777..2553762465ca 100644 --- a/include/asm-sparc/unistd.h +++ b/include/asm-sparc/unistd.h @@ -316,12 +316,14 @@ #define __NR_pselect6 297 #define __NR_ppoll 298 #define __NR_unshare 299 +#define __NR_set_robust_list 300 +#define __NR_get_robust_list 301 #ifdef __KERNEL__ -/* WARNING: You MAY NOT add syscall numbers larger than 299, since +/* WARNING: You MAY NOT add syscall numbers larger than 301, since * all of the syscall tables in the Sparc kernel are - * sized to have 299 entries (starting at zero). Therefore - * find a free slot in the 0-299 range. + * sized to have 301 entries (starting at zero). Therefore + * find a free slot in the 0-301 range. */ #define _syscall0(type,name) \ diff --git a/include/asm-sparc64/dma-mapping.h b/include/asm-sparc64/dma-mapping.h index c902a96d1d48..3c2b5bc8650b 100644 --- a/include/asm-sparc64/dma-mapping.h +++ b/include/asm-sparc64/dma-mapping.h @@ -3,7 +3,146 @@ #ifdef CONFIG_PCI -#include <asm-generic/dma-mapping.h> + +/* we implement the API below in terms of the existing PCI one, + * so include it */ +#include <linux/pci.h> +/* need struct page definitions */ +#include <linux/mm.h> + +static inline int +dma_supported(struct device *dev, u64 mask) +{ + BUG_ON(dev->bus != &pci_bus_type); + + return pci_dma_supported(to_pci_dev(dev), mask); +} + +static inline int +dma_set_mask(struct device *dev, u64 dma_mask) +{ + BUG_ON(dev->bus != &pci_bus_type); + + return pci_set_dma_mask(to_pci_dev(dev), dma_mask); +} + +static inline void * +dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, + gfp_t flag) +{ + BUG_ON(dev->bus != &pci_bus_type); + + return pci_iommu_ops->alloc_consistent(to_pci_dev(dev), size, dma_handle, flag); +} + +static inline void +dma_free_coherent(struct device *dev, size_t size, void *cpu_addr, + dma_addr_t dma_handle) +{ + BUG_ON(dev->bus != &pci_bus_type); + + pci_free_consistent(to_pci_dev(dev), size, cpu_addr, dma_handle); +} + +static inline dma_addr_t +dma_map_single(struct device *dev, void *cpu_addr, size_t size, + enum dma_data_direction direction) +{ + BUG_ON(dev->bus != &pci_bus_type); + + return pci_map_single(to_pci_dev(dev), cpu_addr, size, (int)direction); +} + +static inline void +dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, + enum dma_data_direction direction) +{ + BUG_ON(dev->bus != &pci_bus_type); + + pci_unmap_single(to_pci_dev(dev), dma_addr, size, (int)direction); +} + +static inline dma_addr_t +dma_map_page(struct device *dev, struct page *page, + unsigned long offset, size_t size, + enum dma_data_direction direction) +{ + BUG_ON(dev->bus != &pci_bus_type); + + return pci_map_page(to_pci_dev(dev), page, offset, size, (int)direction); +} + +static inline void +dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size, + enum dma_data_direction direction) +{ + BUG_ON(dev->bus != &pci_bus_type); + + pci_unmap_page(to_pci_dev(dev), dma_address, size, (int)direction); +} + +static inline int +dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, + enum dma_data_direction direction) +{ + BUG_ON(dev->bus != &pci_bus_type); + + return pci_map_sg(to_pci_dev(dev), sg, nents, (int)direction); +} + +static inline void +dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries, + enum dma_data_direction direction) +{ + BUG_ON(dev->bus != &pci_bus_type); + + pci_unmap_sg(to_pci_dev(dev), sg, nhwentries, (int)direction); +} + +static inline void +dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size, + enum dma_data_direction direction) +{ + BUG_ON(dev->bus != &pci_bus_type); + + pci_dma_sync_single_for_cpu(to_pci_dev(dev), dma_handle, + size, (int)direction); +} + +static inline void +dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size, + enum dma_data_direction direction) +{ + BUG_ON(dev->bus != &pci_bus_type); + + pci_dma_sync_single_for_device(to_pci_dev(dev), dma_handle, + size, (int)direction); +} + +static inline void +dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems, + enum dma_data_direction direction) +{ + BUG_ON(dev->bus != &pci_bus_type); + + pci_dma_sync_sg_for_cpu(to_pci_dev(dev), sg, nelems, (int)direction); +} + +static inline void +dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems, + enum dma_data_direction direction) +{ + BUG_ON(dev->bus != &pci_bus_type); + + pci_dma_sync_sg_for_device(to_pci_dev(dev), sg, nelems, (int)direction); +} + +static inline int +dma_mapping_error(dma_addr_t dma_addr) +{ + return pci_dma_mapping_error(dma_addr); +} + #else struct device; diff --git a/include/asm-sparc64/pci.h b/include/asm-sparc64/pci.h index 7c5a589ea437..e1ea67bc32f2 100644 --- a/include/asm-sparc64/pci.h +++ b/include/asm-sparc64/pci.h @@ -42,7 +42,7 @@ static inline void pcibios_penalize_isa_irq(int irq, int active) struct pci_dev; struct pci_iommu_ops { - void *(*alloc_consistent)(struct pci_dev *, size_t, dma_addr_t *); + void *(*alloc_consistent)(struct pci_dev *, size_t, dma_addr_t *, gfp_t); void (*free_consistent)(struct pci_dev *, size_t, void *, dma_addr_t); dma_addr_t (*map_single)(struct pci_dev *, void *, size_t, int); void (*unmap_single)(struct pci_dev *, dma_addr_t, size_t, int); @@ -59,7 +59,7 @@ extern struct pci_iommu_ops *pci_iommu_ops; */ static inline void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size, dma_addr_t *dma_handle) { - return pci_iommu_ops->alloc_consistent(hwdev, size, dma_handle); + return pci_iommu_ops->alloc_consistent(hwdev, size, dma_handle, GFP_ATOMIC); } /* Free and unmap a consistent DMA buffer. diff --git a/include/asm-sparc64/unistd.h b/include/asm-sparc64/unistd.h index a73b7ce1a042..badc73fdcb97 100644 --- a/include/asm-sparc64/unistd.h +++ b/include/asm-sparc64/unistd.h @@ -318,12 +318,14 @@ #define __NR_pselect6 297 #define __NR_ppoll 298 #define __NR_unshare 299 +#define __NR_set_robust_list 300 +#define __NR_get_robust_list 301 #ifdef __KERNEL__ -/* WARNING: You MAY NOT add syscall numbers larger than 299, since +/* WARNING: You MAY NOT add syscall numbers larger than 301, since * all of the syscall tables in the Sparc kernel are - * sized to have 299 entries (starting at zero). Therefore - * find a free slot in the 0-299 range. + * sized to have 301 entries (starting at zero). Therefore + * find a free slot in the 0-301 range. */ #define _syscall0(type,name) \ diff --git a/include/asm-x86_64/e820.h b/include/asm-x86_64/e820.h index 93b51df51687..670a3388e70a 100644 --- a/include/asm-x86_64/e820.h +++ b/include/asm-x86_64/e820.h @@ -59,6 +59,8 @@ extern void __init parse_memopt(char *p, char **end); extern void __init parse_memmapopt(char *p, char **end); extern struct e820map e820; + +extern unsigned ebda_addr, ebda_size; #endif/*!__ASSEMBLY__*/ #endif/*__E820_HEADER*/ diff --git a/include/asm-x86_64/io_apic.h b/include/asm-x86_64/io_apic.h index d71badbd260a..fb7a0909a174 100644 --- a/include/asm-x86_64/io_apic.h +++ b/include/asm-x86_64/io_apic.h @@ -204,6 +204,7 @@ extern int skip_ioapic_setup; extern int io_apic_get_version (int ioapic); extern int io_apic_get_redir_entries (int ioapic); extern int io_apic_set_pci_routing (int ioapic, int pin, int irq, int, int); +extern int timer_uses_ioapic_pin_0; #endif extern int sis_apic_bug; /* dummy */ diff --git a/include/linux/device.h b/include/linux/device.h index 9943f51cd809..b2e5da2b637b 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -199,6 +199,7 @@ extern int class_device_create_file(struct class_device *, * @node: for internal use by the driver core only. * @kobj: for internal use by the driver core only. * @devt_attr: for internal use by the driver core only. + * @groups: optional additional groups to be created * @dev: if set, a symlink to the struct device is created in the sysfs * directory for this struct class device. * @class_data: pointer to whatever you want to store here for this struct @@ -227,6 +228,7 @@ struct class_device { struct device * dev; /* not necessary, but nice to have */ void * class_data; /* class-specific data */ struct class_device *parent; /* parent of this child device, if there is one */ + struct attribute_group ** groups; /* optional groups */ void (*release)(struct class_device *dev); int (*uevent)(struct class_device *dev, char **envp, diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index ff61817082fa..635690cf3e3d 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -14,6 +14,7 @@ enum dma_data_direction { }; #define DMA_64BIT_MASK 0xffffffffffffffffULL +#define DMA_48BIT_MASK 0x0000ffffffffffffULL #define DMA_40BIT_MASK 0x000000ffffffffffULL #define DMA_39BIT_MASK 0x0000007fffffffffULL #define DMA_32BIT_MASK 0x00000000ffffffffULL diff --git a/include/linux/firmware.h b/include/linux/firmware.h index 2d716080be4a..33d8f2087b6e 100644 --- a/include/linux/firmware.h +++ b/include/linux/firmware.h @@ -19,5 +19,4 @@ int request_firmware_nowait( void (*cont)(const struct firmware *fw, void *context)); void release_firmware(const struct firmware *fw); -void register_firmware(const char *name, const u8 *data, size_t size); #endif diff --git a/include/linux/fs.h b/include/linux/fs.h index 75a236c268fc..ecc8c2c3d8ca 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -212,6 +212,10 @@ extern int dir_notify_enable; #define FIBMAP _IO(0x00,1) /* bmap access */ #define FIGETBSZ _IO(0x00,2) /* get the block size used for bmap */ +#define SYNC_FILE_RANGE_WAIT_BEFORE 1 +#define SYNC_FILE_RANGE_WRITE 2 +#define SYNC_FILE_RANGE_WAIT_AFTER 4 + #ifdef __KERNEL__ #include <linux/linkage.h> @@ -757,9 +761,6 @@ extern int fcntl_setlease(unsigned int fd, struct file *filp, long arg); extern int fcntl_getlease(struct file *filp); /* fs/sync.c */ -#define SYNC_FILE_RANGE_WAIT_BEFORE 1 -#define SYNC_FILE_RANGE_WRITE 2 -#define SYNC_FILE_RANGE_WAIT_AFTER 4 extern int do_sync_file_range(struct file *file, loff_t offset, loff_t endbyte, unsigned int flags); diff --git a/include/linux/fsl_devices.h b/include/linux/fsl_devices.h index a3a0e078f79d..16fbe59edeb1 100644 --- a/include/linux/fsl_devices.h +++ b/include/linux/fsl_devices.h @@ -110,5 +110,16 @@ struct fsl_usb2_platform_data { #define FSL_USB2_PORT0_ENABLED 0x00000001 #define FSL_USB2_PORT1_ENABLED 0x00000002 +struct fsl_spi_platform_data { + u32 initial_spmode; /* initial SPMODE value */ + u16 bus_num; + + /* board specific information */ + u16 max_chipselect; + void (*activate_cs)(u8 cs, u8 polarity); + void (*deactivate_cs)(u8 cs, u8 polarity); + u32 sysclk; +}; + #endif /* _FSL_DEVICE_H_ */ #endif /* __KERNEL__ */ diff --git a/include/linux/kernel.h b/include/linux/kernel.h index e1bd0842f6a1..f4fc576ed4c4 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -124,6 +124,7 @@ extern int get_option(char **str, int *pint); extern char *get_options(const char *str, int nints, int *ints); extern unsigned long long memparse(char *ptr, char **retptr); +extern int core_kernel_text(unsigned long addr); extern int __kernel_text_address(unsigned long addr); extern int kernel_text_address(unsigned long addr); extern int session_of_pgrp(int pgrp); diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h index bdc556d88498..03a14a30c46a 100644 --- a/include/linux/mmc/mmc.h +++ b/include/linux/mmc/mmc.h @@ -69,6 +69,7 @@ struct mmc_data { unsigned int timeout_ns; /* data timeout (in ns, max 80ms) */ unsigned int timeout_clks; /* data timeout (in clocks) */ unsigned int blksz_bits; /* data block size */ + unsigned int blksz; /* data block size */ unsigned int blocks; /* number of blocks */ unsigned int error; /* data error */ unsigned int flags; diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 6be91fb2deb1..230180c3eb61 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -21,6 +21,7 @@ #else #define MAX_ORDER CONFIG_FORCE_MAX_ZONEORDER #endif +#define MAX_ORDER_NR_PAGES (1 << (MAX_ORDER - 1)) struct free_area { struct list_head free_list; diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 5128dd7634cb..cebe677e153b 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -432,8 +432,7 @@ struct net_device /* register/unregister state machine */ enum { NETREG_UNINITIALIZED=0, - NETREG_REGISTERING, /* called register_netdevice */ - NETREG_REGISTERED, /* completed register todo */ + NETREG_REGISTERED, /* completed register_netdevice */ NETREG_UNREGISTERING, /* called unregister_netdevice */ NETREG_UNREGISTERED, /* completed unregister todo */ NETREG_RELEASED, /* called free_netdev */ @@ -505,6 +504,8 @@ struct net_device /* class/net/name entry */ struct class_device class_dev; + /* space for optional statistics and wireless sysfs groups */ + struct attribute_group *sysfs_groups[3]; }; #define NETDEV_ALIGN 32 @@ -828,21 +829,19 @@ static inline void netif_rx_schedule(struct net_device *dev) __netif_rx_schedule(dev); } - -static inline void __netif_rx_reschedule(struct net_device *dev, int undo) -{ - dev->quota += undo; - list_add_tail(&dev->poll_list, &__get_cpu_var(softnet_data).poll_list); - __raise_softirq_irqoff(NET_RX_SOFTIRQ); -} - -/* Try to reschedule poll. Called by dev->poll() after netif_rx_complete(). */ +/* Try to reschedule poll. Called by dev->poll() after netif_rx_complete(). + * Do not inline this? + */ static inline int netif_rx_reschedule(struct net_device *dev, int undo) { if (netif_rx_schedule_prep(dev)) { unsigned long flags; + + dev->quota += undo; + local_irq_save(flags); - __netif_rx_reschedule(dev, undo); + list_add_tail(&dev->poll_list, &__get_cpu_var(softnet_data).poll_list); + __raise_softirq_irqoff(NET_RX_SOFTIRQ); local_irq_restore(flags); return 1; } diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index 5673008b61e1..970284f571a6 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -132,6 +132,7 @@ static inline void rcu_bh_qsctr_inc(int cpu) } extern int rcu_pending(int cpu); +extern int rcu_needs_cpu(int cpu); /** * rcu_read_lock - mark the beginning of an RCU read-side critical section. diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index fcfb783bef41..94b9286cf6bd 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -253,6 +253,7 @@ struct uart_port { #define UPF_CONS_FLOW ((__force upf_t) (1 << 23)) #define UPF_SHARE_IRQ ((__force upf_t) (1 << 24)) #define UPF_BOOT_AUTOCONF ((__force upf_t) (1 << 28)) +#define UPF_DEAD ((__force upf_t) (1 << 30)) #define UPF_IOREMAP ((__force upf_t) (1 << 31)) #define UPF_CHANGE_MASK ((__force upf_t) (0x17fff)) diff --git a/include/linux/slab.h b/include/linux/slab.h index a7d7f131b5da..9dc93163e065 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -149,6 +149,7 @@ static inline void *kcalloc(size_t n, size_t size, gfp_t flags) extern void kfree(const void *); extern unsigned int ksize(const void *); +extern int slab_is_available(void); #ifdef CONFIG_NUMA extern void *kmem_cache_alloc_node(kmem_cache_t *, gfp_t flags, int node); diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index b05f1463a267..e928c0dcc297 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -31,18 +31,23 @@ extern struct bus_type spi_bus_type; * @master: SPI controller used with the device. * @max_speed_hz: Maximum clock rate to be used with this chip * (on this board); may be changed by the device's driver. + * The spi_transfer.speed_hz can override this for each transfer. * @chip-select: Chipselect, distinguishing chips handled by "master". * @mode: The spi mode defines how data is clocked out and in. * This may be changed by the device's driver. + * The "active low" default for chipselect mode can be overridden, + * as can the "MSB first" default for each word in a transfer. * @bits_per_word: Data transfers involve one or more words; word sizes - * like eight or 12 bits are common. In-memory wordsizes are + * like eight or 12 bits are common. In-memory wordsizes are * powers of two bytes (e.g. 20 bit samples use 32 bits). - * This may be changed by the device's driver. + * This may be changed by the device's driver, or left at the + * default (0) indicating protocol words are eight bit bytes. + * The spi_transfer.bits_per_word can override this for each transfer. * @irq: Negative, or the number passed to request_irq() to receive - * interrupts from this device. + * interrupts from this device. * @controller_state: Controller's runtime state * @controller_data: Board-specific definitions for controller, such as - * FIFO initialization parameters; from board_info.controller_data + * FIFO initialization parameters; from board_info.controller_data * * An spi_device is used to interchange data between an SPI slave * (usually a discrete chip) and CPU memory. @@ -65,6 +70,7 @@ struct spi_device { #define SPI_MODE_2 (SPI_CPOL|0) #define SPI_MODE_3 (SPI_CPOL|SPI_CPHA) #define SPI_CS_HIGH 0x04 /* chipselect active high? */ +#define SPI_LSB_FIRST 0x08 /* per-word bits-on-wire */ u8 bits_per_word; int irq; void *controller_state; @@ -73,7 +79,6 @@ struct spi_device { // likely need more hooks for more protocol options affecting how // the controller talks to each chip, like: - // - bit order (default is wordwise msb-first) // - memory packing (12 bit samples into low bits, others zeroed) // - priority // - drop chipselect after each word @@ -143,13 +148,13 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) * struct spi_master - interface to SPI master controller * @cdev: class interface to this driver * @bus_num: board-specific (and often SOC-specific) identifier for a - * given SPI controller. + * given SPI controller. * @num_chipselect: chipselects are used to distinguish individual - * SPI slaves, and are numbered from zero to num_chipselects. - * each slave has a chipselect signal, but it's common that not - * every chipselect is connected to a slave. + * SPI slaves, and are numbered from zero to num_chipselects. + * each slave has a chipselect signal, but it's common that not + * every chipselect is connected to a slave. * @setup: updates the device mode and clocking records used by a - * device's SPI controller; protocol code may call this. + * device's SPI controller; protocol code may call this. * @transfer: adds a message to the controller's transfer queue. * @cleanup: frees controller-specific state * @@ -167,13 +172,13 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) struct spi_master { struct class_device cdev; - /* other than zero (== assign one dynamically), bus_num is fully + /* other than negative (== assign one dynamically), bus_num is fully * board-specific. usually that simplifies to being SOC-specific. - * example: one SOC has three SPI controllers, numbered 1..3, + * example: one SOC has three SPI controllers, numbered 0..2, * and one board's schematics might show it using SPI-2. software * would normally use bus_num=2 for that controller. */ - u16 bus_num; + s16 bus_num; /* chipselects will be integral to many controllers; some others * might use board-specific GPIOs. @@ -268,10 +273,14 @@ extern struct spi_master *spi_busnum_to_master(u16 busnum); * @tx_dma: DMA address of tx_buf, if spi_message.is_dma_mapped * @rx_dma: DMA address of rx_buf, if spi_message.is_dma_mapped * @len: size of rx and tx buffers (in bytes) + * @speed_hz: Select a speed other then the device default for this + * transfer. If 0 the default (from spi_device) is used. + * @bits_per_word: select a bits_per_word other then the device default + * for this transfer. If 0 the default (from spi_device) is used. * @cs_change: affects chipselect after this transfer completes * @delay_usecs: microseconds to delay after this transfer before - * (optionally) changing the chipselect status, then starting - * the next transfer or completing this spi_message. + * (optionally) changing the chipselect status, then starting + * the next transfer or completing this spi_message. * @transfer_list: transfers are sequenced through spi_message.transfers * * SPI transfers always write the same number of bytes as they read. @@ -322,7 +331,9 @@ struct spi_transfer { dma_addr_t rx_dma; unsigned cs_change:1; + u8 bits_per_word; u16 delay_usecs; + u32 speed_hz; struct list_head transfer_list; }; @@ -356,7 +367,7 @@ struct spi_transfer { * and its transfers, ignore them until its completion callback. */ struct spi_message { - struct list_head transfers; + struct list_head transfers; struct spi_device *spi; @@ -374,7 +385,7 @@ struct spi_message { */ /* completion is reported through a callback */ - void (*complete)(void *context); + void (*complete)(void *context); void *context; unsigned actual_length; int status; diff --git a/include/linux/spi/spi_bitbang.h b/include/linux/spi/spi_bitbang.h index c961fe9bf3eb..16ce178f54d7 100644 --- a/include/linux/spi/spi_bitbang.h +++ b/include/linux/spi/spi_bitbang.h @@ -30,6 +30,12 @@ struct spi_bitbang { struct spi_master *master; + /* setup_transfer() changes clock and/or wordsize to match settings + * for this transfer; zeroes restore defaults from spi_device. + */ + int (*setup_transfer)(struct spi_device *spi, + struct spi_transfer *t); + void (*chipselect)(struct spi_device *spi, int is_on); #define BITBANG_CS_ACTIVE 1 /* normally nCS, active low */ #define BITBANG_CS_INACTIVE 0 @@ -51,6 +57,8 @@ struct spi_bitbang { extern int spi_bitbang_setup(struct spi_device *spi); extern void spi_bitbang_cleanup(const struct spi_device *spi); extern int spi_bitbang_transfer(struct spi_device *spi, struct spi_message *m); +extern int spi_bitbang_setup_transfer(struct spi_device *spi, + struct spi_transfer *t); /* start or stop queue processing */ extern int spi_bitbang_start(struct spi_bitbang *spi); diff --git a/include/linux/swap.h b/include/linux/swap.h index e24fa9b69cbf..aca9bfae208f 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -295,7 +295,7 @@ static inline void disable_swap_token(void) #define read_swap_cache_async(swp,vma,addr) NULL #define lookup_swap_cache(swp) NULL #define valid_swaphandles(swp, off) 0 -#define can_share_swap_page(p) 0 +#define can_share_swap_page(p) (page_mapcount(p) == 1) #define move_to_swap_cache(p, swp) 1 #define move_from_swap_cache(p, i, m) 1 #define __delete_from_swap_cache(p) /*NOTHING*/ diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 70c64dbe4b8a..bd67a4413df7 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -52,6 +52,7 @@ struct utimbuf; struct mq_attr; struct compat_stat; struct compat_timeval; +struct robust_list_head; #include <linux/types.h> #include <linux/aio_abi.h> @@ -580,5 +581,10 @@ asmlinkage long sys_tee(int fdin, int fdout, size_t len, unsigned int flags); asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes, unsigned int flags); +asmlinkage long sys_get_robust_list(int pid, + struct robust_list_head __user **head_ptr, + size_t __user *len_ptr); +asmlinkage long sys_set_robust_list(struct robust_list_head __user *head, + size_t len); #endif diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index d7670ec1ec1e..ad7fa9c86c10 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -1141,8 +1141,13 @@ extern char *v4l2_type_names[]; /* Compatibility layer interface -- v4l1-compat module */ typedef int (*v4l2_kioctl)(struct inode *inode, struct file *file, unsigned int cmd, void *arg); + +#ifdef CONFIG_VIDEO_V4L1_COMPAT int v4l_compat_translate_ioctl(struct inode *inode, struct file *file, int cmd, void *arg, v4l2_kioctl driver_ioctl); +#else +#define v4l_compat_translate_ioctl(inode,file,cmd,arg,ioctl) -EINVAL +#endif /* 32 Bits compatibility layer for 64 bits processors */ extern long v4l_compat_ioctl32(struct file *file, unsigned int cmd, diff --git a/include/net/ieee80211.h b/include/net/ieee80211.h index 4725ff861c57..d5926bfb1fc9 100644 --- a/include/net/ieee80211.h +++ b/include/net/ieee80211.h @@ -955,11 +955,13 @@ enum ieee80211_state { #define IEEE80211_24GHZ_MIN_CHANNEL 1 #define IEEE80211_24GHZ_MAX_CHANNEL 14 -#define IEEE80211_24GHZ_CHANNELS 14 +#define IEEE80211_24GHZ_CHANNELS (IEEE80211_24GHZ_MAX_CHANNEL - \ + IEEE80211_24GHZ_MIN_CHANNEL + 1) #define IEEE80211_52GHZ_MIN_CHANNEL 34 #define IEEE80211_52GHZ_MAX_CHANNEL 165 -#define IEEE80211_52GHZ_CHANNELS 131 +#define IEEE80211_52GHZ_CHANNELS (IEEE80211_52GHZ_MAX_CHANNEL - \ + IEEE80211_52GHZ_MIN_CHANNEL + 1) enum { IEEE80211_CH_PASSIVE_ONLY = (1 << 0), diff --git a/include/net/ieee80211softmac.h b/include/net/ieee80211softmac.h index b1ebfbae397f..052ed596a4e4 100644 --- a/include/net/ieee80211softmac.h +++ b/include/net/ieee80211softmac.h @@ -204,7 +204,8 @@ struct ieee80211softmac_device { /* couple of flags */ u8 scanning:1, /* protects scanning from being done multiple times at once */ - associated:1; + associated:1, + running:1; struct ieee80211softmac_scaninfo *scaninfo; struct ieee80211softmac_assoc_info associnfo; diff --git a/include/net/irda/irlmp.h b/include/net/irda/irlmp.h index 0d8e9fa416f3..11ecfa58a648 100644 --- a/include/net/irda/irlmp.h +++ b/include/net/irda/irlmp.h @@ -111,7 +111,7 @@ struct lsap_cb { struct timer_list watchdog_timer; - IRLMP_STATE lsap_state; /* Connection state */ + LSAP_STATE lsap_state; /* Connection state */ notify_t notify; /* Indication/Confirm entry points */ struct qos_info qos; /* QoS for this connection */ diff --git a/include/net/neighbour.h b/include/net/neighbour.h index b0666d66293f..4901ee446879 100644 --- a/include/net/neighbour.h +++ b/include/net/neighbour.h @@ -211,6 +211,7 @@ struct neigh_table #define NEIGH_UPDATE_F_ADMIN 0x80000000 extern void neigh_table_init(struct neigh_table *tbl); +extern void neigh_table_init_no_netlink(struct neigh_table *tbl); extern int neigh_table_clear(struct neigh_table *tbl); extern struct neighbour * neigh_lookup(struct neigh_table *tbl, const void *pkey, diff --git a/include/net/sctp/command.h b/include/net/sctp/command.h index 34a1a09e5aef..807d6f1ef4b5 100644 --- a/include/net/sctp/command.h +++ b/include/net/sctp/command.h @@ -99,6 +99,7 @@ typedef enum { SCTP_CMD_DEL_NON_PRIMARY, /* Removes non-primary peer transports. */ SCTP_CMD_T3_RTX_TIMERS_STOP, /* Stops T3-rtx pending timers */ SCTP_CMD_FORCE_PRIM_RETRAN, /* Forces retrans. over primary path. */ + SCTP_CMD_SET_SK_ERR, /* Set sk_err */ SCTP_CMD_LAST } sctp_verb_t; diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h index 9c30fa55051e..a9663b49ea54 100644 --- a/include/net/sctp/sctp.h +++ b/include/net/sctp/sctp.h @@ -460,12 +460,12 @@ static inline int sctp_frag_point(const struct sctp_sock *sp, int pmtu) * there is room for a param header too. */ #define sctp_walk_params(pos, chunk, member)\ -_sctp_walk_params((pos), (chunk), WORD_ROUND(ntohs((chunk)->chunk_hdr.length)), member) +_sctp_walk_params((pos), (chunk), ntohs((chunk)->chunk_hdr.length), member) #define _sctp_walk_params(pos, chunk, end, member)\ for (pos.v = chunk->member;\ pos.v <= (void *)chunk + end - sizeof(sctp_paramhdr_t) &&\ - pos.v <= (void *)chunk + end - WORD_ROUND(ntohs(pos.p->length)) &&\ + pos.v <= (void *)chunk + end - ntohs(pos.p->length) &&\ ntohs(pos.p->length) >= sizeof(sctp_paramhdr_t);\ pos.v += WORD_ROUND(ntohs(pos.p->length))) @@ -476,7 +476,7 @@ _sctp_walk_errors((err), (chunk_hdr), ntohs((chunk_hdr)->length)) for (err = (sctp_errhdr_t *)((void *)chunk_hdr + \ sizeof(sctp_chunkhdr_t));\ (void *)err <= (void *)chunk_hdr + end - sizeof(sctp_errhdr_t) &&\ - (void *)err <= (void *)chunk_hdr + end - WORD_ROUND(ntohs(err->length)) &&\ + (void *)err <= (void *)chunk_hdr + end - ntohs(err->length) &&\ ntohs(err->length) >= sizeof(sctp_errhdr_t); \ err = (sctp_errhdr_t *)((void *)err + WORD_ROUND(ntohs(err->length)))) diff --git a/include/scsi/srp.h b/include/scsi/srp.h index 6c2681dc5b46..637f77eccf0c 100644 --- a/include/scsi/srp.h +++ b/include/scsi/srp.h @@ -95,14 +95,15 @@ struct srp_direct_buf { /* * We need the packed attribute because the SRP spec puts the list of - * descriptors at an offset of 20, which is not aligned to the size - * of struct srp_direct_buf. + * descriptors at an offset of 20, which is not aligned to the size of + * struct srp_direct_buf. The whole structure must be packed to avoid + * having the 20-byte structure padded to 24 bytes on 64-bit architectures. */ struct srp_indirect_buf { struct srp_direct_buf table_desc; __be32 len; - struct srp_direct_buf desc_list[0] __attribute__((packed)); -}; + struct srp_direct_buf desc_list[0]; +} __attribute__((packed)); enum { SRP_MULTICHAN_SINGLE = 0, @@ -122,6 +123,11 @@ struct srp_login_req { u8 target_port_id[16]; }; +/* + * The SRP spec defines the size of the LOGIN_RSP structure to be 52 + * bytes, so it needs to be packed to avoid having it padded to 56 + * bytes on 64-bit architectures. + */ struct srp_login_rsp { u8 opcode; u8 reserved1[3]; @@ -132,7 +138,7 @@ struct srp_login_rsp { __be16 buf_fmt; u8 rsp_flags; u8 reserved2[25]; -}; +} __attribute__((packed)); struct srp_login_rej { u8 opcode; @@ -207,6 +213,11 @@ enum { SRP_RSP_FLAG_DIUNDER = 1 << 5 }; +/* + * The SRP spec defines the size of the RSP structure to be 36 bytes, + * so it needs to be packed to avoid having it padded to 40 bytes on + * 64-bit architectures. + */ struct srp_rsp { u8 opcode; u8 sol_not; @@ -221,6 +232,6 @@ struct srp_rsp { __be32 sense_data_len; __be32 resp_data_len; u8 data[0]; -}; +} __attribute__((packed)); #endif /* SCSI_SRP_H */ diff --git a/init/do_mounts.c b/init/do_mounts.c index adb7cad3e6ee..f4b7b9d278cd 100644 --- a/init/do_mounts.c +++ b/init/do_mounts.c @@ -310,6 +310,11 @@ retry: panic("VFS: Unable to mount root fs on %s", b); } + + printk("No filesystem could mount root, tried: "); + for (p = fs_names; *p; p += strlen(p)+1) + printk(" %s", p); + printk("\n"); panic("VFS: Unable to mount root fs on %s", __bdevname(ROOT_DEV, b)); out: putname(fs_names); diff --git a/init/initramfs.c b/init/initramfs.c index 679d870d991b..f81cfa40a719 100644 --- a/init/initramfs.c +++ b/init/initramfs.c @@ -26,10 +26,12 @@ static void __init free(void *where) /* link hash */ +#define N_ALIGN(len) ((((len) + 1) & ~3) + 2) + static __initdata struct hash { int ino, minor, major; struct hash *next; - char *name; + char name[N_ALIGN(PATH_MAX)]; } *head[32]; static inline int hash(int major, int minor, int ino) @@ -57,7 +59,7 @@ static char __init *find_link(int major, int minor, int ino, char *name) q->ino = ino; q->minor = minor; q->major = major; - q->name = name; + strcpy(q->name, name); q->next = NULL; *p = q; return NULL; @@ -133,8 +135,6 @@ static inline void eat(unsigned n) count -= n; } -#define N_ALIGN(len) ((((len) + 1) & ~3) + 2) - static __initdata char *collected; static __initdata int remains; static __initdata char *collect; diff --git a/kernel/cpuset.c b/kernel/cpuset.c index 72248d1b9e3f..ab81fdd4572b 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -2231,19 +2231,25 @@ static const struct cpuset *nearest_exclusive_ancestor(const struct cpuset *cs) * So only GFP_KERNEL allocations, if all nodes in the cpuset are * short of memory, might require taking the callback_mutex mutex. * - * The first loop over the zonelist in mm/page_alloc.c:__alloc_pages() - * calls here with __GFP_HARDWALL always set in gfp_mask, enforcing - * hardwall cpusets - no allocation on a node outside the cpuset is - * allowed (unless in interrupt, of course). - * - * The second loop doesn't even call here for GFP_ATOMIC requests - * (if the __alloc_pages() local variable 'wait' is set). That check - * and the checks below have the combined affect in the second loop of - * the __alloc_pages() routine that: + * The first call here from mm/page_alloc:get_page_from_freelist() + * has __GFP_HARDWALL set in gfp_mask, enforcing hardwall cpusets, so + * no allocation on a node outside the cpuset is allowed (unless in + * interrupt, of course). + * + * The second pass through get_page_from_freelist() doesn't even call + * here for GFP_ATOMIC calls. For those calls, the __alloc_pages() + * variable 'wait' is not set, and the bit ALLOC_CPUSET is not set + * in alloc_flags. That logic and the checks below have the combined + * affect that: * in_interrupt - any node ok (current task context irrelevant) * GFP_ATOMIC - any node ok * GFP_KERNEL - any node in enclosing mem_exclusive cpuset ok * GFP_USER - only nodes in current tasks mems allowed ok. + * + * Rule: + * Don't call cpuset_zone_allowed() if you can't sleep, unless you + * pass in the __GFP_HARDWALL flag set in gfp_flag, which disables + * the code that might scan up ancestor cpusets and sleep. **/ int __cpuset_zone_allowed(struct zone *z, gfp_t gfp_mask) @@ -2255,6 +2261,7 @@ int __cpuset_zone_allowed(struct zone *z, gfp_t gfp_mask) if (in_interrupt()) return 1; node = z->zone_pgdat->node_id; + might_sleep_if(!(gfp_mask & __GFP_HARDWALL)); if (node_isset(node, current->mems_allowed)) return 1; if (gfp_mask & __GFP_HARDWALL) /* If hardwall request, stop here */ diff --git a/kernel/extable.c b/kernel/extable.c index 7501b531ceed..7fe262855317 100644 --- a/kernel/extable.c +++ b/kernel/extable.c @@ -40,7 +40,7 @@ const struct exception_table_entry *search_exception_tables(unsigned long addr) return e; } -static int core_kernel_text(unsigned long addr) +int core_kernel_text(unsigned long addr) { if (addr >= (unsigned long)_stext && addr <= (unsigned long)_etext) diff --git a/kernel/module.c b/kernel/module.c index d24deb0dbbc9..bbe04862e1b0 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -705,14 +705,14 @@ EXPORT_SYMBOL(__symbol_put); void symbol_put_addr(void *addr) { - unsigned long flags; + struct module *modaddr; - spin_lock_irqsave(&modlist_lock, flags); - if (!kernel_text_address((unsigned long)addr)) - BUG(); + if (core_kernel_text((unsigned long)addr)) + return; - module_put(module_text_address((unsigned long)addr)); - spin_unlock_irqrestore(&modlist_lock, flags); + if (!(modaddr = module_text_address((unsigned long)addr))) + BUG(); + module_put(modaddr); } EXPORT_SYMBOL_GPL(symbol_put_addr); diff --git a/kernel/ptrace.c b/kernel/ptrace.c index 4e0f0ec003f7..921c22ad16e4 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -148,12 +148,34 @@ int ptrace_may_attach(struct task_struct *task) int ptrace_attach(struct task_struct *task) { int retval; - task_lock(task); + retval = -EPERM; if (task->pid <= 1) - goto bad; + goto out; if (task->tgid == current->tgid) - goto bad; + goto out; + +repeat: + /* + * Nasty, nasty. + * + * We want to hold both the task-lock and the + * tasklist_lock for writing at the same time. + * But that's against the rules (tasklist_lock + * is taken for reading by interrupts on other + * cpu's that may have task_lock). + */ + task_lock(task); + local_irq_disable(); + if (!write_trylock(&tasklist_lock)) { + local_irq_enable(); + task_unlock(task); + do { + cpu_relax(); + } while (!write_can_lock(&tasklist_lock)); + goto repeat; + } + /* the same process cannot be attached many times */ if (task->ptrace & PT_PTRACED) goto bad; @@ -166,17 +188,15 @@ int ptrace_attach(struct task_struct *task) ? PT_ATTACHED : 0); if (capable(CAP_SYS_PTRACE)) task->ptrace |= PT_PTRACE_CAP; - task_unlock(task); - write_lock_irq(&tasklist_lock); __ptrace_link(task, current); - write_unlock_irq(&tasklist_lock); force_sig_specific(SIGSTOP, task); - return 0; bad: + write_unlock_irq(&tasklist_lock); task_unlock(task); +out: return retval; } @@ -417,21 +437,22 @@ int ptrace_request(struct task_struct *child, long request, */ int ptrace_traceme(void) { - int ret; + int ret = -EPERM; /* * Are we already being traced? */ - if (current->ptrace & PT_PTRACED) - return -EPERM; - ret = security_ptrace(current->parent, current); - if (ret) - return -EPERM; - /* - * Set the ptrace bit in the process ptrace flags. - */ - current->ptrace |= PT_PTRACED; - return 0; + task_lock(current); + if (!(current->ptrace & PT_PTRACED)) { + ret = security_ptrace(current->parent, current); + /* + * Set the ptrace bit in the process ptrace flags. + */ + if (!ret) + current->ptrace |= PT_PTRACED; + } + task_unlock(current); + return ret; } /** diff --git a/kernel/rcupdate.c b/kernel/rcupdate.c index 6d32ff26f948..2058f88c7bbb 100644 --- a/kernel/rcupdate.c +++ b/kernel/rcupdate.c @@ -479,12 +479,31 @@ static int __rcu_pending(struct rcu_ctrlblk *rcp, struct rcu_data *rdp) return 0; } +/* + * Check to see if there is any immediate RCU-related work to be done + * by the current CPU, returning 1 if so. This function is part of the + * RCU implementation; it is -not- an exported member of the RCU API. + */ int rcu_pending(int cpu) { return __rcu_pending(&rcu_ctrlblk, &per_cpu(rcu_data, cpu)) || __rcu_pending(&rcu_bh_ctrlblk, &per_cpu(rcu_bh_data, cpu)); } +/* + * Check to see if any future RCU-related work will need to be done + * by the current CPU, even if none need be done immediately, returning + * 1 if so. This function is part of the RCU implementation; it is -not- + * an exported member of the RCU API. + */ +int rcu_needs_cpu(int cpu) +{ + struct rcu_data *rdp = &per_cpu(rcu_data, cpu); + struct rcu_data *rdp_bh = &per_cpu(rcu_bh_data, cpu); + + return (!!rdp->curlist || !!rdp_bh->curlist || rcu_pending(cpu)); +} + void rcu_check_callbacks(int cpu, int user) { if (user || diff --git a/kernel/sched.c b/kernel/sched.c index 4c64f85698ae..c13f1bd2df7d 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -665,55 +665,13 @@ static int effective_prio(task_t *p) } /* - * We place interactive tasks back into the active array, if possible. - * - * To guarantee that this does not starve expired tasks we ignore the - * interactivity of a task if the first expired task had to wait more - * than a 'reasonable' amount of time. This deadline timeout is - * load-dependent, as the frequency of array switched decreases with - * increasing number of running tasks. We also ignore the interactivity - * if a better static_prio task has expired, and switch periodically - * regardless, to ensure that highly interactive tasks do not starve - * the less fortunate for unreasonably long periods. - */ -static inline int expired_starving(runqueue_t *rq) -{ - int limit; - - /* - * Arrays were recently switched, all is well - */ - if (!rq->expired_timestamp) - return 0; - - limit = STARVATION_LIMIT * rq->nr_running; - - /* - * It's time to switch arrays - */ - if (jiffies - rq->expired_timestamp >= limit) - return 1; - - /* - * There's a better selection in the expired array - */ - if (rq->curr->static_prio > rq->best_expired_prio) - return 1; - - /* - * All is well - */ - return 0; -} - -/* * __activate_task - move a task to the runqueue. */ static void __activate_task(task_t *p, runqueue_t *rq) { prio_array_t *target = rq->active; - if (unlikely(batch_task(p) || (expired_starving(rq) && !rt_task(p)))) + if (batch_task(p)) target = rq->expired; enqueue_task(p, target); rq->nr_running++; @@ -2532,6 +2490,22 @@ unsigned long long current_sched_time(const task_t *tsk) } /* + * We place interactive tasks back into the active array, if possible. + * + * To guarantee that this does not starve expired tasks we ignore the + * interactivity of a task if the first expired task had to wait more + * than a 'reasonable' amount of time. This deadline timeout is + * load-dependent, as the frequency of array switched decreases with + * increasing number of running tasks. We also ignore the interactivity + * if a better static_prio task has expired: + */ +#define EXPIRED_STARVING(rq) \ + ((STARVATION_LIMIT && ((rq)->expired_timestamp && \ + (jiffies - (rq)->expired_timestamp >= \ + STARVATION_LIMIT * ((rq)->nr_running) + 1))) || \ + ((rq)->curr->static_prio > (rq)->best_expired_prio)) + +/* * Account user cpu time to a process. * @p: the process that the cpu time gets accounted to * @hardirq_offset: the offset to subtract from hardirq_count() @@ -2666,7 +2640,7 @@ void scheduler_tick(void) if (!rq->expired_timestamp) rq->expired_timestamp = jiffies; - if (!TASK_INTERACTIVE(p) || expired_starving(rq)) { + if (!TASK_INTERACTIVE(p) || EXPIRED_STARVING(rq)) { enqueue_task(p, rq->expired); if (p->static_prio < rq->best_expired_prio) rq->best_expired_prio = p->static_prio; diff --git a/kernel/timer.c b/kernel/timer.c index 67eaf0f54096..9e49deed468c 100644 --- a/kernel/timer.c +++ b/kernel/timer.c @@ -541,6 +541,22 @@ found: } spin_unlock(&base->lock); + /* + * It can happen that other CPUs service timer IRQs and increment + * jiffies, but we have not yet got a local timer tick to process + * the timer wheels. In that case, the expiry time can be before + * jiffies, but since the high-resolution timer here is relative to + * jiffies, the default expression when high-resolution timers are + * not active, + * + * time_before(MAX_JIFFY_OFFSET + jiffies, expires) + * + * would falsely evaluate to true. If that is the case, just + * return jiffies so that we can immediately fire the local timer + */ + if (time_before(expires, jiffies)) + return jiffies; + if (time_before(hr_expires, expires)) return hr_expires; diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 6ecc180beb71..ccb0c1fdf1b5 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -189,7 +189,7 @@ config FRAME_POINTER config UNWIND_INFO bool "Compile the kernel with frame unwind information" depends on !IA64 - depends on !MODULES || !(MIPS || PARISC || PPC || SUPERH || SPARC64 || V850) + depends on !MODULES || !(MIPS || PARISC || PPC || SUPERH || V850) help If you say Y here the resulting kernel image will be slightly larger but not slower, and it will give very useful debugging information. diff --git a/lib/kobject.c b/lib/kobject.c index b46350c27837..687ab418d292 100644 --- a/lib/kobject.c +++ b/lib/kobject.c @@ -198,14 +198,14 @@ int kobject_add(struct kobject * kobj) /* be noisy on error issues */ if (error == -EEXIST) - printk("kobject_add failed for %s with -EEXIST, " + pr_debug("kobject_add failed for %s with -EEXIST, " "don't try to register things with the " "same name in the same directory.\n", kobject_name(kobj)); else - printk("kobject_add failed for %s (%d)\n", + pr_debug("kobject_add failed for %s (%d)\n", kobject_name(kobj), error); - dump_stack(); + /* dump_stack(); */ } return error; diff --git a/mm/page_alloc.c b/mm/page_alloc.c index ea77c999047e..253a450c400d 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -39,6 +39,7 @@ #include <linux/mempolicy.h> #include <asm/tlbflush.h> +#include <asm/div64.h> #include "internal.h" /* @@ -950,7 +951,7 @@ restart: goto got_pg; do { - if (cpuset_zone_allowed(*z, gfp_mask)) + if (cpuset_zone_allowed(*z, gfp_mask|__GFP_HARDWALL)) wakeup_kswapd(*z, order); } while (*(++z)); @@ -969,7 +970,8 @@ restart: alloc_flags |= ALLOC_HARDER; if (gfp_mask & __GFP_HIGH) alloc_flags |= ALLOC_HIGH; - alloc_flags |= ALLOC_CPUSET; + if (wait) + alloc_flags |= ALLOC_CPUSET; /* * Go through the zonelist again. Let __GFP_HIGH and allocations @@ -2123,14 +2125,22 @@ static void __init alloc_node_mem_map(struct pglist_data *pgdat) #ifdef CONFIG_FLAT_NODE_MEM_MAP /* ia64 gets its own node_mem_map, before this, without bootmem */ if (!pgdat->node_mem_map) { - unsigned long size; + unsigned long size, start, end; struct page *map; - size = (pgdat->node_spanned_pages + 1) * sizeof(struct page); + /* + * The zone's endpoints aren't required to be MAX_ORDER + * aligned but the node_mem_map endpoints must be in order + * for the buddy allocator to function correctly. + */ + start = pgdat->node_start_pfn & ~(MAX_ORDER_NR_PAGES - 1); + end = pgdat->node_start_pfn + pgdat->node_spanned_pages; + end = ALIGN(end, MAX_ORDER_NR_PAGES); + size = (end - start) * sizeof(struct page); map = alloc_remap(pgdat->node_id, size); if (!map) map = alloc_bootmem_node(pgdat, size); - pgdat->node_mem_map = map; + pgdat->node_mem_map = map + (pgdat->node_start_pfn - start); } #ifdef CONFIG_FLATMEM /* @@ -2566,9 +2576,11 @@ void setup_per_zone_pages_min(void) } for_each_zone(zone) { - unsigned long tmp; + u64 tmp; + spin_lock_irqsave(&zone->lru_lock, flags); - tmp = (pages_min * zone->present_pages) / lowmem_pages; + tmp = (u64)pages_min * zone->present_pages; + do_div(tmp, lowmem_pages); if (is_highmem(zone)) { /* * __GFP_HIGH and PF_MEMALLOC allocations usually don't @@ -2595,8 +2607,8 @@ void setup_per_zone_pages_min(void) zone->pages_min = tmp; } - zone->pages_low = zone->pages_min + tmp / 4; - zone->pages_high = zone->pages_min + tmp / 2; + zone->pages_low = zone->pages_min + (tmp >> 2); + zone->pages_high = zone->pages_min + (tmp >> 1); spin_unlock_irqrestore(&zone->lru_lock, flags); } diff --git a/mm/slab.c b/mm/slab.c index c32af7e7581e..d31a06bfbea5 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -700,6 +700,14 @@ static enum { FULL } g_cpucache_up; +/* + * used by boot code to determine if it can use slab based allocator + */ +int slab_is_available(void) +{ + return g_cpucache_up == FULL; +} + static DEFINE_PER_CPU(struct work_struct, reap_work); static void free_block(struct kmem_cache *cachep, void **objpp, int len, @@ -2192,11 +2200,14 @@ static void drain_cpu_caches(struct kmem_cache *cachep) check_irq_on(); for_each_online_node(node) { l3 = cachep->nodelists[node]; - if (l3) { + if (l3 && l3->alien) + drain_alien_cache(cachep, l3->alien); + } + + for_each_online_node(node) { + l3 = cachep->nodelists[node]; + if (l3) drain_array(cachep, l3, l3->shared, 1, node); - if (l3->alien) - drain_alien_cache(cachep, l3->alien); - } } } diff --git a/mm/sparse.c b/mm/sparse.c index d7c32de99ee8..100040c0dfb6 100644 --- a/mm/sparse.c +++ b/mm/sparse.c @@ -32,7 +32,7 @@ static struct mem_section *sparse_index_alloc(int nid) unsigned long array_size = SECTIONS_PER_ROOT * sizeof(struct mem_section); - if (system_state == SYSTEM_RUNNING) + if (slab_is_available()) section = kmalloc_node(array_size, GFP_KERNEL, nid); else section = alloc_bootmem_node(NODE_DATA(nid), array_size); @@ -87,11 +87,8 @@ int __section_nr(struct mem_section* ms) unsigned long root_nr; struct mem_section* root; - for (root_nr = 0; - root_nr < NR_MEM_SECTIONS; - root_nr += SECTIONS_PER_ROOT) { - root = __nr_to_section(root_nr); - + for (root_nr = 0; root_nr < NR_SECTION_ROOTS; root_nr++) { + root = __nr_to_section(root_nr * SECTIONS_PER_ROOT); if (!root) continue; diff --git a/net/802/tr.c b/net/802/tr.c index afd8385c0c9c..e9dc803f2fe0 100644 --- a/net/802/tr.c +++ b/net/802/tr.c @@ -643,6 +643,5 @@ static int __init rif_init(void) module_init(rif_init); -EXPORT_SYMBOL(tr_source_route); EXPORT_SYMBOL(tr_type_trans); EXPORT_SYMBOL(alloc_trdev); diff --git a/net/atm/clip.c b/net/atm/clip.c index 1a786bfaa416..72d852982664 100644 --- a/net/atm/clip.c +++ b/net/atm/clip.c @@ -963,7 +963,7 @@ static struct file_operations arp_seq_fops = { static int __init atm_clip_init(void) { struct proc_dir_entry *p; - neigh_table_init(&clip_tbl); + neigh_table_init_no_netlink(&clip_tbl); clip_tbl_hook = &clip_tbl; register_atm_ioctl(&clip_ioctl_ops); diff --git a/net/bridge/br.c b/net/bridge/br.c index 22d806cf40ca..12da21afb9ca 100644 --- a/net/bridge/br.c +++ b/net/bridge/br.c @@ -55,7 +55,7 @@ static int __init br_init(void) static void __exit br_deinit(void) { - llc_sap_close(br_stp_sap); + rcu_assign_pointer(br_stp_sap->rcv_func, NULL); #ifdef CONFIG_BRIDGE_NETFILTER br_netfilter_fini(); @@ -67,6 +67,7 @@ static void __exit br_deinit(void) synchronize_net(); + llc_sap_put(br_stp_sap); br_fdb_get_hook = NULL; br_fdb_put_hook = NULL; diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index 59eef42d4a42..ad1c7af65ec8 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -308,26 +308,19 @@ int br_add_bridge(const char *name) if (ret) goto err2; - /* network device kobject is not setup until - * after rtnl_unlock does it's hotplug magic. - * so hold reference to avoid race. - */ - dev_hold(dev); - rtnl_unlock(); - ret = br_sysfs_addbr(dev); - dev_put(dev); - - if (ret) - unregister_netdev(dev); - out: - return ret; + if (ret) + goto err3; + rtnl_unlock(); + return 0; + err3: + unregister_netdev(dev); err2: free_netdev(dev); err1: rtnl_unlock(); - goto out; + return ret; } int br_del_bridge(const char *name) diff --git a/net/bridge/netfilter/ebt_log.c b/net/bridge/netfilter/ebt_log.c index d159c92cca84..466ed3440b74 100644 --- a/net/bridge/netfilter/ebt_log.c +++ b/net/bridge/netfilter/ebt_log.c @@ -168,7 +168,7 @@ static void ebt_log(const struct sk_buff *skb, unsigned int hooknr, if (info->bitmask & EBT_LOG_NFLOG) nf_log_packet(PF_BRIDGE, hooknr, skb, in, out, &li, - info->prefix); + "%s", info->prefix); else ebt_log_packet(PF_BRIDGE, hooknr, skb, in, out, &li, info->prefix); diff --git a/net/core/dev.c b/net/core/dev.c index 3bad1afc89fa..2dce673a039b 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -193,7 +193,7 @@ static inline struct hlist_head *dev_index_hash(int ifindex) * Our notifier list */ -static BLOCKING_NOTIFIER_HEAD(netdev_chain); +static RAW_NOTIFIER_HEAD(netdev_chain); /* * Device drivers call our routines to queue packets here. We empty the @@ -736,7 +736,7 @@ int dev_change_name(struct net_device *dev, char *newname) if (!err) { hlist_del(&dev->name_hlist); hlist_add_head(&dev->name_hlist, dev_name_hash(dev->name)); - blocking_notifier_call_chain(&netdev_chain, + raw_notifier_call_chain(&netdev_chain, NETDEV_CHANGENAME, dev); } @@ -751,7 +751,7 @@ int dev_change_name(struct net_device *dev, char *newname) */ void netdev_features_change(struct net_device *dev) { - blocking_notifier_call_chain(&netdev_chain, NETDEV_FEAT_CHANGE, dev); + raw_notifier_call_chain(&netdev_chain, NETDEV_FEAT_CHANGE, dev); } EXPORT_SYMBOL(netdev_features_change); @@ -766,7 +766,7 @@ EXPORT_SYMBOL(netdev_features_change); void netdev_state_change(struct net_device *dev) { if (dev->flags & IFF_UP) { - blocking_notifier_call_chain(&netdev_chain, + raw_notifier_call_chain(&netdev_chain, NETDEV_CHANGE, dev); rtmsg_ifinfo(RTM_NEWLINK, dev, 0); } @@ -864,7 +864,7 @@ int dev_open(struct net_device *dev) /* * ... and announce new interface. */ - blocking_notifier_call_chain(&netdev_chain, NETDEV_UP, dev); + raw_notifier_call_chain(&netdev_chain, NETDEV_UP, dev); } return ret; } @@ -887,7 +887,7 @@ int dev_close(struct net_device *dev) * Tell people we are going down, so that they can * prepare to death, when device is still operating. */ - blocking_notifier_call_chain(&netdev_chain, NETDEV_GOING_DOWN, dev); + raw_notifier_call_chain(&netdev_chain, NETDEV_GOING_DOWN, dev); dev_deactivate(dev); @@ -924,7 +924,7 @@ int dev_close(struct net_device *dev) /* * Tell people we are down */ - blocking_notifier_call_chain(&netdev_chain, NETDEV_DOWN, dev); + raw_notifier_call_chain(&netdev_chain, NETDEV_DOWN, dev); return 0; } @@ -955,7 +955,7 @@ int register_netdevice_notifier(struct notifier_block *nb) int err; rtnl_lock(); - err = blocking_notifier_chain_register(&netdev_chain, nb); + err = raw_notifier_chain_register(&netdev_chain, nb); if (!err) { for (dev = dev_base; dev; dev = dev->next) { nb->notifier_call(nb, NETDEV_REGISTER, dev); @@ -983,7 +983,7 @@ int unregister_netdevice_notifier(struct notifier_block *nb) int err; rtnl_lock(); - err = blocking_notifier_chain_unregister(&netdev_chain, nb); + err = raw_notifier_chain_unregister(&netdev_chain, nb); rtnl_unlock(); return err; } @@ -994,12 +994,12 @@ int unregister_netdevice_notifier(struct notifier_block *nb) * @v: pointer passed unmodified to notifier function * * Call all network notifier blocks. Parameters and return value - * are as for blocking_notifier_call_chain(). + * are as for raw_notifier_call_chain(). */ int call_netdevice_notifiers(unsigned long val, void *v) { - return blocking_notifier_call_chain(&netdev_chain, val, v); + return raw_notifier_call_chain(&netdev_chain, val, v); } /* When > 0 there are consumers of rx skb time stamps */ @@ -2308,7 +2308,7 @@ int dev_change_flags(struct net_device *dev, unsigned flags) if (dev->flags & IFF_UP && ((old_flags ^ dev->flags) &~ (IFF_UP | IFF_PROMISC | IFF_ALLMULTI | IFF_VOLATILE))) - blocking_notifier_call_chain(&netdev_chain, + raw_notifier_call_chain(&netdev_chain, NETDEV_CHANGE, dev); if ((flags ^ dev->gflags) & IFF_PROMISC) { @@ -2353,7 +2353,7 @@ int dev_set_mtu(struct net_device *dev, int new_mtu) else dev->mtu = new_mtu; if (!err && dev->flags & IFF_UP) - blocking_notifier_call_chain(&netdev_chain, + raw_notifier_call_chain(&netdev_chain, NETDEV_CHANGEMTU, dev); return err; } @@ -2370,7 +2370,7 @@ int dev_set_mac_address(struct net_device *dev, struct sockaddr *sa) return -ENODEV; err = dev->set_mac_address(dev, sa); if (!err) - blocking_notifier_call_chain(&netdev_chain, + raw_notifier_call_chain(&netdev_chain, NETDEV_CHANGEADDR, dev); return err; } @@ -2427,7 +2427,7 @@ static int dev_ifsioc(struct ifreq *ifr, unsigned int cmd) return -EINVAL; memcpy(dev->broadcast, ifr->ifr_hwaddr.sa_data, min(sizeof ifr->ifr_hwaddr.sa_data, (size_t) dev->addr_len)); - blocking_notifier_call_chain(&netdev_chain, + raw_notifier_call_chain(&netdev_chain, NETDEV_CHANGEADDR, dev); return 0; @@ -2777,6 +2777,8 @@ int register_netdevice(struct net_device *dev) BUG_ON(dev_boot_phase); ASSERT_RTNL(); + might_sleep(); + /* When net_device's are persistent, this will be fatal. */ BUG_ON(dev->reg_state != NETREG_UNINITIALIZED); @@ -2863,6 +2865,11 @@ int register_netdevice(struct net_device *dev) if (!dev->rebuild_header) dev->rebuild_header = default_rebuild_header; + ret = netdev_register_sysfs(dev); + if (ret) + goto out_err; + dev->reg_state = NETREG_REGISTERED; + /* * Default initial state at registry is that the * device is present. @@ -2878,14 +2885,11 @@ int register_netdevice(struct net_device *dev) hlist_add_head(&dev->name_hlist, head); hlist_add_head(&dev->index_hlist, dev_index_hash(dev->ifindex)); dev_hold(dev); - dev->reg_state = NETREG_REGISTERING; write_unlock_bh(&dev_base_lock); /* Notify protocols, that a new device appeared. */ - blocking_notifier_call_chain(&netdev_chain, NETDEV_REGISTER, dev); + raw_notifier_call_chain(&netdev_chain, NETDEV_REGISTER, dev); - /* Finish registration after unlock */ - net_set_todo(dev); ret = 0; out: @@ -2961,7 +2965,7 @@ static void netdev_wait_allrefs(struct net_device *dev) rtnl_lock(); /* Rebroadcast unregister notification */ - blocking_notifier_call_chain(&netdev_chain, + raw_notifier_call_chain(&netdev_chain, NETDEV_UNREGISTER, dev); if (test_bit(__LINK_STATE_LINKWATCH_PENDING, @@ -3008,7 +3012,7 @@ static void netdev_wait_allrefs(struct net_device *dev) * * We are invoked by rtnl_unlock() after it drops the semaphore. * This allows us to deal with problems: - * 1) We can create/delete sysfs objects which invoke hotplug + * 1) We can delete sysfs objects which invoke hotplug * without deadlocking with linkwatch via keventd. * 2) Since we run with the RTNL semaphore not held, we can sleep * safely in order to wait for the netdev refcnt to drop to zero. @@ -3017,8 +3021,6 @@ static DEFINE_MUTEX(net_todo_run_mutex); void netdev_run_todo(void) { struct list_head list = LIST_HEAD_INIT(list); - int err; - /* Need to guard against multiple cpu's getting out of order. */ mutex_lock(&net_todo_run_mutex); @@ -3041,40 +3043,29 @@ void netdev_run_todo(void) = list_entry(list.next, struct net_device, todo_list); list_del(&dev->todo_list); - switch(dev->reg_state) { - case NETREG_REGISTERING: - dev->reg_state = NETREG_REGISTERED; - err = netdev_register_sysfs(dev); - if (err) - printk(KERN_ERR "%s: failed sysfs registration (%d)\n", - dev->name, err); - break; - - case NETREG_UNREGISTERING: - netdev_unregister_sysfs(dev); - dev->reg_state = NETREG_UNREGISTERED; - - netdev_wait_allrefs(dev); + if (unlikely(dev->reg_state != NETREG_UNREGISTERING)) { + printk(KERN_ERR "network todo '%s' but state %d\n", + dev->name, dev->reg_state); + dump_stack(); + continue; + } - /* paranoia */ - BUG_ON(atomic_read(&dev->refcnt)); - BUG_TRAP(!dev->ip_ptr); - BUG_TRAP(!dev->ip6_ptr); - BUG_TRAP(!dev->dn_ptr); + netdev_unregister_sysfs(dev); + dev->reg_state = NETREG_UNREGISTERED; + netdev_wait_allrefs(dev); - /* It must be the very last action, - * after this 'dev' may point to freed up memory. - */ - if (dev->destructor) - dev->destructor(dev); - break; + /* paranoia */ + BUG_ON(atomic_read(&dev->refcnt)); + BUG_TRAP(!dev->ip_ptr); + BUG_TRAP(!dev->ip6_ptr); + BUG_TRAP(!dev->dn_ptr); - default: - printk(KERN_ERR "network todo '%s' but state %d\n", - dev->name, dev->reg_state); - break; - } + /* It must be the very last action, + * after this 'dev' may point to freed up memory. + */ + if (dev->destructor) + dev->destructor(dev); } out: @@ -3216,7 +3207,7 @@ int unregister_netdevice(struct net_device *dev) /* Notify protocols, that we are about to destroy this device. They should clean all the things. */ - blocking_notifier_call_chain(&netdev_chain, NETDEV_UNREGISTER, dev); + raw_notifier_call_chain(&netdev_chain, NETDEV_UNREGISTER, dev); /* * Flush the multicast chain diff --git a/net/core/link_watch.c b/net/core/link_watch.c index 341de44c7ed1..646937cc2d84 100644 --- a/net/core/link_watch.c +++ b/net/core/link_watch.c @@ -170,13 +170,13 @@ void linkwatch_fire_event(struct net_device *dev) spin_unlock_irqrestore(&lweventlist_lock, flags); if (!test_and_set_bit(LW_RUNNING, &linkwatch_flags)) { - unsigned long thisevent = jiffies; + unsigned long delay = linkwatch_nextevent - jiffies; - if (thisevent >= linkwatch_nextevent) { + /* If we wrap around we'll delay it by at most HZ. */ + if (!delay || delay > HZ) schedule_work(&linkwatch_work); - } else { - schedule_delayed_work(&linkwatch_work, linkwatch_nextevent - thisevent); - } + else + schedule_delayed_work(&linkwatch_work, delay); } } } diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 4cf878efdb49..50a8c73caf97 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -1326,8 +1326,7 @@ void neigh_parms_destroy(struct neigh_parms *parms) kfree(parms); } - -void neigh_table_init(struct neigh_table *tbl) +void neigh_table_init_no_netlink(struct neigh_table *tbl) { unsigned long now = jiffies; unsigned long phsize; @@ -1383,10 +1382,27 @@ void neigh_table_init(struct neigh_table *tbl) tbl->last_flush = now; tbl->last_rand = now + tbl->parms.reachable_time * 20; +} + +void neigh_table_init(struct neigh_table *tbl) +{ + struct neigh_table *tmp; + + neigh_table_init_no_netlink(tbl); write_lock(&neigh_tbl_lock); + for (tmp = neigh_tables; tmp; tmp = tmp->next) { + if (tmp->family == tbl->family) + break; + } tbl->next = neigh_tables; neigh_tables = tbl; write_unlock(&neigh_tbl_lock); + + if (unlikely(tmp)) { + printk(KERN_ERR "NEIGH: Registering multiple tables for " + "family %d\n", tbl->family); + dump_stack(); + } } int neigh_table_clear(struct neigh_table *tbl) @@ -2657,6 +2673,7 @@ EXPORT_SYMBOL(neigh_rand_reach_time); EXPORT_SYMBOL(neigh_resolve_output); EXPORT_SYMBOL(neigh_table_clear); EXPORT_SYMBOL(neigh_table_init); +EXPORT_SYMBOL(neigh_table_init_no_netlink); EXPORT_SYMBOL(neigh_update); EXPORT_SYMBOL(neigh_update_hhs); EXPORT_SYMBOL(pneigh_enqueue); diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index c12990c9c603..47a6fceb6771 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -29,7 +29,7 @@ static const char fmt_ulong[] = "%lu\n"; static inline int dev_isalive(const struct net_device *dev) { - return dev->reg_state == NETREG_REGISTERED; + return dev->reg_state <= NETREG_REGISTERED; } /* use same locking rules as GIF* ioctl's */ @@ -445,58 +445,33 @@ static struct class net_class = { void netdev_unregister_sysfs(struct net_device * net) { - struct class_device * class_dev = &(net->class_dev); - - if (net->get_stats) - sysfs_remove_group(&class_dev->kobj, &netstat_group); - -#ifdef WIRELESS_EXT - if (net->get_wireless_stats || (net->wireless_handlers && - net->wireless_handlers->get_wireless_stats)) - sysfs_remove_group(&class_dev->kobj, &wireless_group); -#endif - class_device_del(class_dev); - + class_device_del(&(net->class_dev)); } /* Create sysfs entries for network device. */ int netdev_register_sysfs(struct net_device *net) { struct class_device *class_dev = &(net->class_dev); - int ret; + struct attribute_group **groups = net->sysfs_groups; + class_device_initialize(class_dev); class_dev->class = &net_class; class_dev->class_data = net; + class_dev->groups = groups; + BUILD_BUG_ON(BUS_ID_SIZE < IFNAMSIZ); strlcpy(class_dev->class_id, net->name, BUS_ID_SIZE); - if ((ret = class_device_register(class_dev))) - goto out; - if (net->get_stats && - (ret = sysfs_create_group(&class_dev->kobj, &netstat_group))) - goto out_unreg; + if (net->get_stats) + *groups++ = &netstat_group; #ifdef WIRELESS_EXT - if (net->get_wireless_stats || (net->wireless_handlers && - net->wireless_handlers->get_wireless_stats)) { - ret = sysfs_create_group(&class_dev->kobj, &wireless_group); - if (ret) - goto out_cleanup; - } - return 0; -out_cleanup: - if (net->get_stats) - sysfs_remove_group(&class_dev->kobj, &netstat_group); -#else - return 0; + if (net->get_wireless_stats + || (net->wireless_handlers && net->wireless_handlers->get_wireless_stats)) + *groups++ = &wireless_group; #endif -out_unreg: - printk(KERN_WARNING "%s: sysfs attribute registration failed %d\n", - net->name, ret); - class_device_unregister(class_dev); -out: - return ret; + return class_device_add(class_dev); } int netdev_sysfs_init(void) diff --git a/net/ieee80211/softmac/ieee80211softmac_assoc.c b/net/ieee80211/softmac/ieee80211softmac_assoc.c index fb79ce7d6439..57ea9f6f465c 100644 --- a/net/ieee80211/softmac/ieee80211softmac_assoc.c +++ b/net/ieee80211/softmac/ieee80211softmac_assoc.c @@ -51,11 +51,12 @@ ieee80211softmac_assoc(struct ieee80211softmac_device *mac, struct ieee80211soft spin_lock_irqsave(&mac->lock, flags); mac->associnfo.associating = 1; mac->associated = 0; /* just to make sure */ - spin_unlock_irqrestore(&mac->lock, flags); /* Set a timer for timeout */ /* FIXME: make timeout configurable */ - schedule_delayed_work(&mac->associnfo.timeout, 5 * HZ); + if (likely(mac->running)) + schedule_delayed_work(&mac->associnfo.timeout, 5 * HZ); + spin_unlock_irqrestore(&mac->lock, flags); } void @@ -319,6 +320,9 @@ ieee80211softmac_handle_assoc_response(struct net_device * dev, u16 status = le16_to_cpup(&resp->status); struct ieee80211softmac_network *network = NULL; unsigned long flags; + + if (unlikely(!mac->running)) + return -ENODEV; spin_lock_irqsave(&mac->lock, flags); @@ -377,10 +381,16 @@ ieee80211softmac_handle_disassoc(struct net_device * dev, { struct ieee80211softmac_device *mac = ieee80211_priv(dev); unsigned long flags; + + if (unlikely(!mac->running)) + return -ENODEV; + if (memcmp(disassoc->header.addr2, mac->associnfo.bssid, ETH_ALEN)) return 0; + if (memcmp(disassoc->header.addr1, mac->dev->dev_addr, ETH_ALEN)) return 0; + dprintk(KERN_INFO PFX "got disassoc frame\n"); netif_carrier_off(dev); spin_lock_irqsave(&mac->lock, flags); @@ -400,6 +410,9 @@ ieee80211softmac_handle_reassoc_req(struct net_device * dev, struct ieee80211softmac_device *mac = ieee80211_priv(dev); struct ieee80211softmac_network *network; + if (unlikely(!mac->running)) + return -ENODEV; + network = ieee80211softmac_get_network_by_bssid(mac, resp->header.addr3); if (!network) { dprintkl(KERN_INFO PFX "reassoc request from unknown network\n"); diff --git a/net/ieee80211/softmac/ieee80211softmac_auth.c b/net/ieee80211/softmac/ieee80211softmac_auth.c index 9a0eac6c61eb..06e332624665 100644 --- a/net/ieee80211/softmac/ieee80211softmac_auth.c +++ b/net/ieee80211/softmac/ieee80211softmac_auth.c @@ -86,6 +86,11 @@ ieee80211softmac_auth_queue(void *data) /* Lock and set flags */ spin_lock_irqsave(&mac->lock, flags); + if (unlikely(!mac->running)) { + /* Prevent reschedule on workqueue flush */ + spin_unlock_irqrestore(&mac->lock, flags); + return; + } net->authenticated = 0; net->authenticating = 1; /* add a timeout call so we eventually give up waiting for an auth reply */ @@ -124,6 +129,9 @@ ieee80211softmac_auth_resp(struct net_device *dev, struct ieee80211_auth *auth) unsigned long flags; u8 * data; + if (unlikely(!mac->running)) + return -ENODEV; + /* Find correct auth queue item */ spin_lock_irqsave(&mac->lock, flags); list_for_each(list_ptr, &mac->auth_queue) { @@ -298,8 +306,6 @@ ieee80211softmac_deauth_from_net(struct ieee80211softmac_device *mac, /* can't transmit data right now... */ netif_carrier_off(mac->dev); - /* let's try to re-associate */ - schedule_work(&mac->associnfo.work); spin_unlock_irqrestore(&mac->lock, flags); } @@ -338,6 +344,9 @@ ieee80211softmac_deauth_resp(struct net_device *dev, struct ieee80211_deauth *de struct ieee80211softmac_network *net = NULL; struct ieee80211softmac_device *mac = ieee80211_priv(dev); + if (unlikely(!mac->running)) + return -ENODEV; + if (!deauth) { dprintk("deauth without deauth packet. eek!\n"); return 0; @@ -360,5 +369,8 @@ ieee80211softmac_deauth_resp(struct net_device *dev, struct ieee80211_deauth *de } ieee80211softmac_deauth_from_net(mac, net); + + /* let's try to re-associate */ + schedule_work(&mac->associnfo.work); return 0; } diff --git a/net/ieee80211/softmac/ieee80211softmac_module.c b/net/ieee80211/softmac/ieee80211softmac_module.c index be83bdc1644a..6252be2c0db9 100644 --- a/net/ieee80211/softmac/ieee80211softmac_module.c +++ b/net/ieee80211/softmac/ieee80211softmac_module.c @@ -89,6 +89,8 @@ ieee80211softmac_clear_pending_work(struct ieee80211softmac_device *sm) ieee80211softmac_wait_for_scan(sm); spin_lock_irqsave(&sm->lock, flags); + sm->running = 0; + /* Free all pending assoc work items */ cancel_delayed_work(&sm->associnfo.work); @@ -204,6 +206,8 @@ void ieee80211softmac_start(struct net_device *dev) assert(0); if (mac->txrates_change) mac->txrates_change(dev, change, &oldrates); + + mac->running = 1; } EXPORT_SYMBOL_GPL(ieee80211softmac_start); diff --git a/net/ieee80211/softmac/ieee80211softmac_scan.c b/net/ieee80211/softmac/ieee80211softmac_scan.c index 2b9e7edfa3ce..d31cf77498c4 100644 --- a/net/ieee80211/softmac/ieee80211softmac_scan.c +++ b/net/ieee80211/softmac/ieee80211softmac_scan.c @@ -115,7 +115,15 @@ void ieee80211softmac_scan(void *d) // TODO: is this if correct, or should we do this only if scanning from assoc request? if (sm->associnfo.req_essid.len) ieee80211softmac_send_mgt_frame(sm, &sm->associnfo.req_essid, IEEE80211_STYPE_PROBE_REQ, 0); + + spin_lock_irqsave(&sm->lock, flags); + if (unlikely(!sm->running)) { + /* Prevent reschedule on workqueue flush */ + spin_unlock_irqrestore(&sm->lock, flags); + break; + } schedule_delayed_work(&si->softmac_scan, IEEE80211SOFTMAC_PROBE_DELAY); + spin_unlock_irqrestore(&sm->lock, flags); return; } else { dprintk(PFX "Not probing Channel %d (not allowed here)\n", si->channels[current_channel_idx].channel); diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c index 18d7fad474d7..c9026dbf4c93 100644 --- a/net/ipv4/ip_input.c +++ b/net/ipv4/ip_input.c @@ -337,7 +337,7 @@ static inline int ip_rcv_finish(struct sk_buff *skb) * Initialise the virtual path cache for the packet. It describes * how the packet travels inside Linux networking. */ - if (likely(skb->dst == NULL)) { + if (skb->dst == NULL) { int err = ip_route_input(skb, iph->daddr, iph->saddr, iph->tos, skb->dev); if (unlikely(err)) { diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c index 9bebad07bf2e..cbcae6544622 100644 --- a/net/ipv4/ip_options.c +++ b/net/ipv4/ip_options.c @@ -209,7 +209,7 @@ int ip_options_echo(struct ip_options * dopt, struct sk_buff * skb) void ip_options_fragment(struct sk_buff * skb) { - unsigned char * optptr = skb->nh.raw; + unsigned char * optptr = skb->nh.raw + sizeof(struct iphdr); struct ip_options * opt = &(IPCB(skb)->opt); int l = opt->optlen; int optlen; diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c index cd810f41af1a..95278b22b669 100644 --- a/net/ipv4/ipcomp.c +++ b/net/ipv4/ipcomp.c @@ -210,7 +210,7 @@ static void ipcomp4_err(struct sk_buff *skb, u32 info) skb->h.icmph->code != ICMP_FRAG_NEEDED) return; - spi = ntohl(ntohs(ipch->cpi)); + spi = htonl(ntohs(ipch->cpi)); x = xfrm_state_lookup((xfrm_address_t *)&iph->daddr, spi, IPPROTO_COMP, AF_INET); if (!x) diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c index c2d92f99a2b8..d0d19192026d 100644 --- a/net/ipv4/netfilter/arp_tables.c +++ b/net/ipv4/netfilter/arp_tables.c @@ -948,7 +948,7 @@ static int do_add_counters(void __user *user, unsigned int len) write_lock_bh(&t->lock); private = t->private; - if (private->number != paddc->num_counters) { + if (private->number != tmp.num_counters) { ret = -EINVAL; goto unlock_up_free; } diff --git a/net/ipv4/netfilter/ip_conntrack_helper_h323_asn1.c b/net/ipv4/netfilter/ip_conntrack_helper_h323_asn1.c index 355a53a5b6cd..26dfecadb335 100644 --- a/net/ipv4/netfilter/ip_conntrack_helper_h323_asn1.c +++ b/net/ipv4/netfilter/ip_conntrack_helper_h323_asn1.c @@ -528,14 +528,15 @@ int decode_seq(bitstr_t * bs, field_t * f, char *base, int level) /* Decode */ if ((err = (Decoders[son->type]) (bs, son, base, - level + 1)) > - H323_ERROR_STOP) + level + 1)) < + H323_ERROR_NONE) return err; bs->cur = beg + len; bs->bit = 0; } else if ((err = (Decoders[son->type]) (bs, son, base, - level + 1))) + level + 1)) < + H323_ERROR_NONE) return err; } @@ -554,7 +555,7 @@ int decode_seq(bitstr_t * bs, field_t * f, char *base, int level) /* Decode the extension components */ for (opt = 0; opt < bmp2_len; opt++, i++, son++) { - if (son->attr & STOP) { + if (i < f->ub && son->attr & STOP) { PRINT("%*.s%s\n", (level + 1) * TAB_SIZE, " ", son->name); return H323_ERROR_STOP; @@ -584,8 +585,8 @@ int decode_seq(bitstr_t * bs, field_t * f, char *base, int level) beg = bs->cur; if ((err = (Decoders[son->type]) (bs, son, base, - level + 1)) > - H323_ERROR_STOP) + level + 1)) < + H323_ERROR_NONE) return err; bs->cur = beg + len; @@ -660,18 +661,20 @@ int decode_seqof(bitstr_t * bs, field_t * f, char *base, int level) i < effective_count ? base : NULL, - level + 1)) > - H323_ERROR_STOP) + level + 1)) < + H323_ERROR_NONE) return err; bs->cur = beg + len; bs->bit = 0; } else - if ((err = (Decoders[son->type]) (bs, son, - i < effective_count ? - base : NULL, - level + 1))) - return err; + if ((err = (Decoders[son->type]) (bs, son, + i < + effective_count ? + base : NULL, + level + 1)) < + H323_ERROR_NONE) + return err; if (base) base += son->offset; @@ -735,13 +738,14 @@ int decode_choice(bitstr_t * bs, field_t * f, char *base, int level) } beg = bs->cur; - if ((err = (Decoders[son->type]) (bs, son, base, level + 1)) > - H323_ERROR_STOP) + if ((err = (Decoders[son->type]) (bs, son, base, level + 1)) < + H323_ERROR_NONE) return err; bs->cur = beg + len; bs->bit = 0; - } else if ((err = (Decoders[son->type]) (bs, son, base, level + 1))) + } else if ((err = (Decoders[son->type]) (bs, son, base, level + 1)) < + H323_ERROR_NONE) return err; return H323_ERROR_NONE; diff --git a/net/ipv4/netfilter/ip_nat_proto_gre.c b/net/ipv4/netfilter/ip_nat_proto_gre.c index 6c4899d8046a..96ceabaec402 100644 --- a/net/ipv4/netfilter/ip_nat_proto_gre.c +++ b/net/ipv4/netfilter/ip_nat_proto_gre.c @@ -49,15 +49,15 @@ gre_in_range(const struct ip_conntrack_tuple *tuple, const union ip_conntrack_manip_proto *min, const union ip_conntrack_manip_proto *max) { - u_int32_t key; + __be16 key; if (maniptype == IP_NAT_MANIP_SRC) key = tuple->src.u.gre.key; else key = tuple->dst.u.gre.key; - return ntohl(key) >= ntohl(min->gre.key) - && ntohl(key) <= ntohl(max->gre.key); + return ntohs(key) >= ntohs(min->gre.key) + && ntohs(key) <= ntohs(max->gre.key); } /* generate unique tuple ... */ @@ -81,14 +81,14 @@ gre_unique_tuple(struct ip_conntrack_tuple *tuple, min = 1; range_size = 0xffff; } else { - min = ntohl(range->min.gre.key); - range_size = ntohl(range->max.gre.key) - min + 1; + min = ntohs(range->min.gre.key); + range_size = ntohs(range->max.gre.key) - min + 1; } DEBUGP("min = %u, range_size = %u\n", min, range_size); for (i = 0; i < range_size; i++, key++) { - *keyptr = htonl(min + key % range_size); + *keyptr = htons(min + key % range_size); if (!ip_nat_used_tuple(tuple, conntrack)) return 1; } diff --git a/net/ipv4/netfilter/ip_nat_snmp_basic.c b/net/ipv4/netfilter/ip_nat_snmp_basic.c index c62253845538..c33244263b90 100644 --- a/net/ipv4/netfilter/ip_nat_snmp_basic.c +++ b/net/ipv4/netfilter/ip_nat_snmp_basic.c @@ -768,6 +768,7 @@ static unsigned char snmp_object_decode(struct asn1_ctx *ctx, len *= sizeof(unsigned long); *obj = kmalloc(sizeof(struct snmp_object) + len, GFP_ATOMIC); if (*obj == NULL) { + kfree(lp); kfree(id); if (net_ratelimit()) printk("OOM in bsalg (%d)\n", __LINE__); @@ -1003,12 +1004,12 @@ static unsigned char snmp_trap_decode(struct asn1_ctx *ctx, return 1; +err_addr_free: + kfree((unsigned long *)trap->ip_address); + err_id_free: kfree(trap->id); -err_addr_free: - kfree((unsigned long *)trap->ip_address); - return 0; } @@ -1126,11 +1127,10 @@ static int snmp_parse_mangle(unsigned char *msg, struct snmp_v1_trap trap; unsigned char ret = snmp_trap_decode(&ctx, &trap, map, check); - /* Discard trap allocations regardless */ - kfree(trap.id); - kfree((unsigned long *)trap.ip_address); - - if (!ret) + if (ret) { + kfree(trap.id); + kfree((unsigned long *)trap.ip_address); + } else return ret; } else { diff --git a/net/ipv4/netfilter/ipt_LOG.c b/net/ipv4/netfilter/ipt_LOG.c index 39fd4c2a2386..b98f7b08b084 100644 --- a/net/ipv4/netfilter/ipt_LOG.c +++ b/net/ipv4/netfilter/ipt_LOG.c @@ -428,7 +428,7 @@ ipt_log_target(struct sk_buff **pskb, if (loginfo->logflags & IPT_LOG_NFLOG) nf_log_packet(PF_INET, hooknum, *pskb, in, out, &li, - loginfo->prefix); + "%s", loginfo->prefix); else ipt_log_packet(PF_INET, hooknum, *pskb, in, out, &li, loginfo->prefix); diff --git a/net/ipv4/netfilter/ipt_recent.c b/net/ipv4/netfilter/ipt_recent.c index 143843285702..b847ee409efb 100644 --- a/net/ipv4/netfilter/ipt_recent.c +++ b/net/ipv4/netfilter/ipt_recent.c @@ -821,6 +821,7 @@ checkentry(const char *tablename, /* Create our proc 'status' entry. */ curr_table->status_proc = create_proc_entry(curr_table->name, ip_list_perms, proc_net_ipt_recent); if (!curr_table->status_proc) { + vfree(hold); printk(KERN_INFO RECENT_NAME ": checkentry: unable to allocate for /proc entry.\n"); /* Destroy the created table */ spin_lock_bh(&recent_lock); @@ -845,7 +846,6 @@ checkentry(const char *tablename, spin_unlock_bh(&recent_lock); vfree(curr_table->time_info); vfree(curr_table->hash_table); - vfree(hold); vfree(curr_table->table); vfree(curr_table); return 0; diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 9f0cca4c4fae..4a538bc1683d 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -1662,6 +1662,8 @@ static void tcp_update_scoreboard(struct sock *sk, struct tcp_sock *tp) if (!(TCP_SKB_CB(skb)->sacked&TCPCB_TAGBITS)) { TCP_SKB_CB(skb)->sacked |= TCPCB_LOST; tp->lost_out += tcp_skb_pcount(skb); + if (IsReno(tp)) + tcp_remove_reno_sacks(sk, tp, tcp_skb_pcount(skb) + 1); /* clear xmit_retrans hint */ if (tp->retransmit_skb_hint && diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c index f285bbf296e2..8604c747bca5 100644 --- a/net/ipv4/xfrm4_policy.c +++ b/net/ipv4/xfrm4_policy.c @@ -221,7 +221,7 @@ _decode_session4(struct sk_buff *skb, struct flowi *fl) if (pskb_may_pull(skb, xprth + 4 - skb->data)) { u16 *ipcomp_hdr = (u16 *)xprth; - fl->fl_ipsec_spi = ntohl(ntohs(ipcomp_hdr[1])); + fl->fl_ipsec_spi = htonl(ntohs(ipcomp_hdr[1])); } break; default: diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c index f8f3a37a1494..eb2865d5ae28 100644 --- a/net/ipv6/inet6_connection_sock.c +++ b/net/ipv6/inet6_connection_sock.c @@ -173,6 +173,7 @@ int inet6_csk_xmit(struct sk_buff *skb, int ipfragok) if (err) { sk->sk_err_soft = -err; + kfree_skb(skb); return err; } @@ -181,6 +182,7 @@ int inet6_csk_xmit(struct sk_buff *skb, int ipfragok) if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0) { sk->sk_route_caps = 0; + kfree_skb(skb); return err; } diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c index 05eb67def39f..48636436028a 100644 --- a/net/ipv6/ipcomp6.c +++ b/net/ipv6/ipcomp6.c @@ -208,7 +208,7 @@ static void ipcomp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, if (type != ICMPV6_DEST_UNREACH && type != ICMPV6_PKT_TOOBIG) return; - spi = ntohl(ntohs(ipcomph->cpi)); + spi = htonl(ntohs(ipcomph->cpi)); x = xfrm_state_lookup((xfrm_address_t *)&iph->daddr, spi, IPPROTO_COMP, AF_INET6); if (!x) return; diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c index 0a673038344f..2e72f89a7019 100644 --- a/net/ipv6/netfilter/ip6_tables.c +++ b/net/ipv6/netfilter/ip6_tables.c @@ -1103,7 +1103,7 @@ do_add_counters(void __user *user, unsigned int len) write_lock_bh(&t->lock); private = t->private; - if (private->number != paddc->num_counters) { + if (private->number != tmp.num_counters) { ret = -EINVAL; goto unlock_up_free; } diff --git a/net/ipv6/netfilter/ip6t_LOG.c b/net/ipv6/netfilter/ip6t_LOG.c index a96c0de14b00..73c6300109d6 100644 --- a/net/ipv6/netfilter/ip6t_LOG.c +++ b/net/ipv6/netfilter/ip6t_LOG.c @@ -439,7 +439,7 @@ ip6t_log_target(struct sk_buff **pskb, if (loginfo->logflags & IP6T_LOG_NFLOG) nf_log_packet(PF_INET6, hooknum, *pskb, in, out, &li, - loginfo->prefix); + "%s", loginfo->prefix); else ip6t_log_packet(PF_INET6, hooknum, *pskb, in, out, &li, loginfo->prefix); diff --git a/net/ipv6/netfilter/ip6t_eui64.c b/net/ipv6/netfilter/ip6t_eui64.c index 94dbdb8b458d..4f6b84c8f4ab 100644 --- a/net/ipv6/netfilter/ip6t_eui64.c +++ b/net/ipv6/netfilter/ip6t_eui64.c @@ -40,7 +40,7 @@ match(const struct sk_buff *skb, memset(eui64, 0, sizeof(eui64)); - if (eth_hdr(skb)->h_proto == ntohs(ETH_P_IPV6)) { + if (eth_hdr(skb)->h_proto == htons(ETH_P_IPV6)) { if (skb->nh.ipv6h->version == 0x6) { memcpy(eui64, eth_hdr(skb)->h_source, 3); memcpy(eui64 + 5, eth_hdr(skb)->h_source + 3, 3); diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c index 2dbf134d5266..811d998725bc 100644 --- a/net/ipx/af_ipx.c +++ b/net/ipx/af_ipx.c @@ -944,9 +944,9 @@ out: return rc; } -static int ipx_map_frame_type(unsigned char type) +static __be16 ipx_map_frame_type(unsigned char type) { - int rc = 0; + __be16 rc = 0; switch (type) { case IPX_FRAME_ETHERII: rc = htons(ETH_P_IPX); break; diff --git a/net/ipx/ipx_route.c b/net/ipx/ipx_route.c index 67774448efd9..a394c6fe19a2 100644 --- a/net/ipx/ipx_route.c +++ b/net/ipx/ipx_route.c @@ -119,7 +119,7 @@ out: return rc; } -static int ipxrtr_delete(long net) +static int ipxrtr_delete(__u32 net) { struct ipx_route *r, *tmp; int rc; diff --git a/net/irda/iriap.c b/net/irda/iriap.c index 254f90746900..2d2e2b1919f4 100644 --- a/net/irda/iriap.c +++ b/net/irda/iriap.c @@ -544,7 +544,8 @@ static void iriap_getvaluebyclass_response(struct iriap_cb *self, { struct sk_buff *tx_skb; int n; - __u32 tmp_be32, tmp_be16; + __u32 tmp_be32; + __be16 tmp_be16; __u8 *fp; IRDA_DEBUG(4, "%s()\n", __FUNCTION__); diff --git a/net/irda/irias_object.c b/net/irda/irias_object.c index c6d169fbdceb..82e665c79991 100644 --- a/net/irda/irias_object.c +++ b/net/irda/irias_object.c @@ -257,7 +257,6 @@ struct ias_attrib *irias_find_attrib(struct ias_object *obj, char *name) /* Unsafe (locking), attrib might change */ return attrib; } -EXPORT_SYMBOL(irias_find_attrib); /* * Function irias_add_attribute (obj, attrib) @@ -484,7 +483,6 @@ struct ias_value *irias_new_string_value(char *string) return value; } -EXPORT_SYMBOL(irias_new_string_value); /* * Function irias_new_octseq_value (octets, len) @@ -519,7 +517,6 @@ struct ias_value *irias_new_octseq_value(__u8 *octseq , int len) memcpy(value->t.oct_seq, octseq , len); return value; } -EXPORT_SYMBOL(irias_new_octseq_value); struct ias_value *irias_new_missing_value(void) { diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c index c60273cad778..61cdda4e5d3b 100644 --- a/net/netfilter/nfnetlink_log.c +++ b/net/netfilter/nfnetlink_log.c @@ -321,7 +321,7 @@ static int nfulnl_set_flags(struct nfulnl_instance *inst, u_int16_t flags) { spin_lock_bh(&inst->lock); - inst->flags = ntohs(flags); + inst->flags = flags; spin_unlock_bh(&inst->lock); return 0; @@ -902,7 +902,7 @@ nfulnl_recv_config(struct sock *ctnl, struct sk_buff *skb, if (nfula[NFULA_CFG_FLAGS-1]) { u_int16_t flags = *(u_int16_t *)NFA_DATA(nfula[NFULA_CFG_FLAGS-1]); - nfulnl_set_flags(inst, ntohl(flags)); + nfulnl_set_flags(inst, ntohs(flags)); } out_put: diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index 31eb83717c26..138ea92ed268 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -193,8 +193,10 @@ static void dev_watchdog(unsigned long arg) netif_running(dev) && netif_carrier_ok(dev)) { if (netif_queue_stopped(dev) && - (jiffies - dev->trans_start) > dev->watchdog_timeo) { - printk(KERN_INFO "NETDEV WATCHDOG: %s: transmit timed out\n", dev->name); + time_after(jiffies, dev->trans_start + dev->watchdog_timeo)) { + + printk(KERN_INFO "NETDEV WATCHDOG: %s: transmit timed out\n", + dev->name); dev->tx_timeout(dev); } if (!mod_timer(&dev->watchdog_timer, jiffies + dev->watchdog_timeo)) diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c index 91132f6871d7..f1c7bd29f2cd 100644 --- a/net/sched/sch_hfsc.c +++ b/net/sched/sch_hfsc.c @@ -974,10 +974,10 @@ hfsc_adjust_levels(struct hfsc_class *cl) do { level = 0; list_for_each_entry(p, &cl->children, siblings) { - if (p->level > level) - level = p->level; + if (p->level >= level) + level = p->level + 1; } - cl->level = level + 1; + cl->level = level; } while ((cl = cl->cl_parent) != NULL); } diff --git a/net/sctp/input.c b/net/sctp/input.c index d117ebc75cf8..1662f9cc869e 100644 --- a/net/sctp/input.c +++ b/net/sctp/input.c @@ -73,6 +73,8 @@ static struct sctp_association *__sctp_lookup_association( const union sctp_addr *peer, struct sctp_transport **pt); +static void sctp_add_backlog(struct sock *sk, struct sk_buff *skb); + /* Calculate the SCTP checksum of an SCTP packet. */ static inline int sctp_rcv_checksum(struct sk_buff *skb) @@ -186,7 +188,6 @@ int sctp_rcv(struct sk_buff *skb) */ if (sk->sk_bound_dev_if && (sk->sk_bound_dev_if != af->skb_iif(skb))) { - sock_put(sk); if (asoc) { sctp_association_put(asoc); asoc = NULL; @@ -197,7 +198,6 @@ int sctp_rcv(struct sk_buff *skb) sk = sctp_get_ctl_sock(); ep = sctp_sk(sk)->ep; sctp_endpoint_hold(ep); - sock_hold(sk); rcvr = &ep->base; } @@ -253,25 +253,18 @@ int sctp_rcv(struct sk_buff *skb) */ sctp_bh_lock_sock(sk); - /* It is possible that the association could have moved to a different - * socket if it is peeled off. If so, update the sk. - */ - if (sk != rcvr->sk) { - sctp_bh_lock_sock(rcvr->sk); - sctp_bh_unlock_sock(sk); - sk = rcvr->sk; - } - if (sock_owned_by_user(sk)) - sk_add_backlog(sk, skb); + sctp_add_backlog(sk, skb); else - sctp_backlog_rcv(sk, skb); + sctp_inq_push(&chunk->rcvr->inqueue, chunk); - /* Release the sock and the sock ref we took in the lookup calls. - * The asoc/ep ref will be released in sctp_backlog_rcv. - */ sctp_bh_unlock_sock(sk); - sock_put(sk); + + /* Release the asoc/ep ref we took in the lookup calls. */ + if (asoc) + sctp_association_put(asoc); + else + sctp_endpoint_put(ep); return 0; @@ -280,8 +273,7 @@ discard_it: return 0; discard_release: - /* Release any structures we may be holding. */ - sock_put(sk); + /* Release the asoc/ep ref we took in the lookup calls. */ if (asoc) sctp_association_put(asoc); else @@ -290,56 +282,87 @@ discard_release: goto discard_it; } -/* Handle second half of inbound skb processing. If the sock was busy, - * we may have need to delay processing until later when the sock is - * released (on the backlog). If not busy, we call this routine - * directly from the bottom half. +/* Process the backlog queue of the socket. Every skb on + * the backlog holds a ref on an association or endpoint. + * We hold this ref throughout the state machine to make + * sure that the structure we need is still around. */ int sctp_backlog_rcv(struct sock *sk, struct sk_buff *skb) { struct sctp_chunk *chunk = SCTP_INPUT_CB(skb)->chunk; - struct sctp_inq *inqueue = NULL; + struct sctp_inq *inqueue = &chunk->rcvr->inqueue; struct sctp_ep_common *rcvr = NULL; + int backloged = 0; rcvr = chunk->rcvr; - BUG_TRAP(rcvr->sk == sk); - - if (rcvr->dead) { - sctp_chunk_free(chunk); - } else { - inqueue = &chunk->rcvr->inqueue; - sctp_inq_push(inqueue, chunk); - } - - /* Release the asoc/ep ref we took in the lookup calls in sctp_rcv. */ - if (SCTP_EP_TYPE_ASSOCIATION == rcvr->type) - sctp_association_put(sctp_assoc(rcvr)); - else - sctp_endpoint_put(sctp_ep(rcvr)); - + /* If the rcvr is dead then the association or endpoint + * has been deleted and we can safely drop the chunk + * and refs that we are holding. + */ + if (rcvr->dead) { + sctp_chunk_free(chunk); + goto done; + } + + if (unlikely(rcvr->sk != sk)) { + /* In this case, the association moved from one socket to + * another. We are currently sitting on the backlog of the + * old socket, so we need to move. + * However, since we are here in the process context we + * need to take make sure that the user doesn't own + * the new socket when we process the packet. + * If the new socket is user-owned, queue the chunk to the + * backlog of the new socket without dropping any refs. + * Otherwise, we can safely push the chunk on the inqueue. + */ + + sk = rcvr->sk; + sctp_bh_lock_sock(sk); + + if (sock_owned_by_user(sk)) { + sk_add_backlog(sk, skb); + backloged = 1; + } else + sctp_inq_push(inqueue, chunk); + + sctp_bh_unlock_sock(sk); + + /* If the chunk was backloged again, don't drop refs */ + if (backloged) + return 0; + } else { + sctp_inq_push(inqueue, chunk); + } + +done: + /* Release the refs we took in sctp_add_backlog */ + if (SCTP_EP_TYPE_ASSOCIATION == rcvr->type) + sctp_association_put(sctp_assoc(rcvr)); + else if (SCTP_EP_TYPE_SOCKET == rcvr->type) + sctp_endpoint_put(sctp_ep(rcvr)); + else + BUG(); + return 0; } -void sctp_backlog_migrate(struct sctp_association *assoc, - struct sock *oldsk, struct sock *newsk) +static void sctp_add_backlog(struct sock *sk, struct sk_buff *skb) { - struct sk_buff *skb; - struct sctp_chunk *chunk; + struct sctp_chunk *chunk = SCTP_INPUT_CB(skb)->chunk; + struct sctp_ep_common *rcvr = chunk->rcvr; - skb = oldsk->sk_backlog.head; - oldsk->sk_backlog.head = oldsk->sk_backlog.tail = NULL; - while (skb != NULL) { - struct sk_buff *next = skb->next; - - chunk = SCTP_INPUT_CB(skb)->chunk; - skb->next = NULL; - if (&assoc->base == chunk->rcvr) - sk_add_backlog(newsk, skb); - else - sk_add_backlog(oldsk, skb); - skb = next; - } + /* Hold the assoc/ep while hanging on the backlog queue. + * This way, we know structures we need will not disappear from us + */ + if (SCTP_EP_TYPE_ASSOCIATION == rcvr->type) + sctp_association_hold(sctp_assoc(rcvr)); + else if (SCTP_EP_TYPE_SOCKET == rcvr->type) + sctp_endpoint_hold(sctp_ep(rcvr)); + else + BUG(); + + sk_add_backlog(sk, skb); } /* Handle icmp frag needed error. */ @@ -412,7 +435,7 @@ struct sock *sctp_err_lookup(int family, struct sk_buff *skb, union sctp_addr daddr; struct sctp_af *af; struct sock *sk = NULL; - struct sctp_association *asoc = NULL; + struct sctp_association *asoc; struct sctp_transport *transport = NULL; *app = NULL; *tpp = NULL; @@ -453,7 +476,6 @@ struct sock *sctp_err_lookup(int family, struct sk_buff *skb, return sk; out: - sock_put(sk); if (asoc) sctp_association_put(asoc); return NULL; @@ -463,7 +485,6 @@ out: void sctp_err_finish(struct sock *sk, struct sctp_association *asoc) { sctp_bh_unlock_sock(sk); - sock_put(sk); if (asoc) sctp_association_put(asoc); } @@ -490,7 +511,7 @@ void sctp_v4_err(struct sk_buff *skb, __u32 info) int type = skb->h.icmph->type; int code = skb->h.icmph->code; struct sock *sk; - struct sctp_association *asoc; + struct sctp_association *asoc = NULL; struct sctp_transport *transport; struct inet_sock *inet; char *saveip, *savesctp; @@ -716,7 +737,6 @@ static struct sctp_endpoint *__sctp_rcv_lookup_endpoint(const union sctp_addr *l hit: sctp_endpoint_hold(ep); - sock_hold(epb->sk); read_unlock(&head->lock); return ep; } @@ -818,7 +838,6 @@ static struct sctp_association *__sctp_lookup_association( hit: *pt = transport; sctp_association_hold(asoc); - sock_hold(epb->sk); read_unlock(&head->lock); return asoc; } @@ -846,7 +865,6 @@ int sctp_has_association(const union sctp_addr *laddr, struct sctp_transport *transport; if ((asoc = sctp_lookup_association(laddr, paddr, &transport))) { - sock_put(asoc->base.sk); sctp_association_put(asoc); return 1; } diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c index 8d1dc24bab4c..c5beb2ad7ef7 100644 --- a/net/sctp/sm_sideeffect.c +++ b/net/sctp/sm_sideeffect.c @@ -498,10 +498,6 @@ static void sctp_cmd_assoc_failed(sctp_cmd_seq_t *commands, sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE, SCTP_STATE(SCTP_STATE_CLOSED)); - /* Set sk_err to ECONNRESET on a 1-1 style socket. */ - if (!sctp_style(asoc->base.sk, UDP)) - asoc->base.sk->sk_err = ECONNRESET; - /* SEND_FAILED sent later when cleaning up the association. */ asoc->outqueue.error = error; sctp_add_cmd_sf(commands, SCTP_CMD_DELETE_TCB, SCTP_NULL()); @@ -838,6 +834,15 @@ static void sctp_cmd_del_non_primary(struct sctp_association *asoc) return; } +/* Helper function to set sk_err on a 1-1 style socket. */ +static void sctp_cmd_set_sk_err(struct sctp_association *asoc, int error) +{ + struct sock *sk = asoc->base.sk; + + if (!sctp_style(sk, UDP)) + sk->sk_err = error; +} + /* These three macros allow us to pull the debugging code out of the * main flow of sctp_do_sm() to keep attention focused on the real * functionality there. @@ -1458,6 +1463,9 @@ static int sctp_cmd_interpreter(sctp_event_t event_type, local_cork = 0; asoc->peer.retran_path = t; break; + case SCTP_CMD_SET_SK_ERR: + sctp_cmd_set_sk_err(asoc, cmd->obj.error); + break; default: printk(KERN_WARNING "Impossible command: %u, %p\n", cmd->verb, cmd->obj.ptr); diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index 8cdba51ec076..8bc279219a72 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -93,7 +93,7 @@ static sctp_disposition_t sctp_sf_shut_8_4_5(const struct sctp_endpoint *ep, static struct sctp_sackhdr *sctp_sm_pull_sack(struct sctp_chunk *chunk); static sctp_disposition_t sctp_stop_t1_and_abort(sctp_cmd_seq_t *commands, - __u16 error, + __u16 error, int sk_err, const struct sctp_association *asoc, struct sctp_transport *transport); @@ -448,7 +448,7 @@ sctp_disposition_t sctp_sf_do_5_1C_ack(const struct sctp_endpoint *ep, __u32 init_tag; struct sctp_chunk *err_chunk; struct sctp_packet *packet; - sctp_disposition_t ret; + __u16 error; if (!sctp_vtag_verify(chunk, asoc)) return sctp_sf_pdiscard(ep, asoc, type, arg, commands); @@ -480,11 +480,9 @@ sctp_disposition_t sctp_sf_do_5_1C_ack(const struct sctp_endpoint *ep, goto nomem; sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(reply)); - sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE, - SCTP_STATE(SCTP_STATE_CLOSED)); - SCTP_INC_STATS(SCTP_MIB_ABORTEDS); - sctp_add_cmd_sf(commands, SCTP_CMD_DELETE_TCB, SCTP_NULL()); - return SCTP_DISPOSITION_DELETE_TCB; + return sctp_stop_t1_and_abort(commands, SCTP_ERROR_INV_PARAM, + ECONNREFUSED, asoc, + chunk->transport); } /* Verify the INIT chunk before processing it. */ @@ -511,27 +509,16 @@ sctp_disposition_t sctp_sf_do_5_1C_ack(const struct sctp_endpoint *ep, sctp_add_cmd_sf(commands, SCTP_CMD_SEND_PKT, SCTP_PACKET(packet)); SCTP_INC_STATS(SCTP_MIB_OUTCTRLCHUNKS); - sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE, - SCTP_STATE(SCTP_STATE_CLOSED)); - sctp_add_cmd_sf(commands, SCTP_CMD_DELETE_TCB, - SCTP_NULL()); - return SCTP_DISPOSITION_CONSUME; + error = SCTP_ERROR_INV_PARAM; } else { - sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE, - SCTP_STATE(SCTP_STATE_CLOSED)); - sctp_add_cmd_sf(commands, SCTP_CMD_DELETE_TCB, - SCTP_NULL()); - return SCTP_DISPOSITION_NOMEM; + error = SCTP_ERROR_NO_RESOURCE; } } else { - ret = sctp_sf_tabort_8_4_8(ep, asoc, type, arg, - commands); - sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE, - SCTP_STATE(SCTP_STATE_CLOSED)); - sctp_add_cmd_sf(commands, SCTP_CMD_DELETE_TCB, - SCTP_NULL()); - return ret; + sctp_sf_tabort_8_4_8(ep, asoc, type, arg, commands); + error = SCTP_ERROR_INV_PARAM; } + return sctp_stop_t1_and_abort(commands, error, ECONNREFUSED, + asoc, chunk->transport); } /* Tag the variable length parameters. Note that we never @@ -886,6 +873,8 @@ sctp_disposition_t sctp_sf_sendbeat_8_3(const struct sctp_endpoint *ep, struct sctp_transport *transport = (struct sctp_transport *) arg; if (asoc->overall_error_count >= asoc->max_retrans) { + sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR, + SCTP_ERROR(ETIMEDOUT)); /* CMD_ASSOC_FAILED calls CMD_DELETE_TCB. */ sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED, SCTP_U32(SCTP_ERROR_NO_ERROR)); @@ -1030,6 +1019,12 @@ sctp_disposition_t sctp_sf_backbeat_8_3(const struct sctp_endpoint *ep, commands); hbinfo = (sctp_sender_hb_info_t *) chunk->skb->data; + /* Make sure that the length of the parameter is what we expect */ + if (ntohs(hbinfo->param_hdr.length) != + sizeof(sctp_sender_hb_info_t)) { + return SCTP_DISPOSITION_DISCARD; + } + from_addr = hbinfo->daddr; link = sctp_assoc_lookup_paddr(asoc, &from_addr); @@ -2126,6 +2121,8 @@ static sctp_disposition_t sctp_sf_do_5_2_6_stale(const struct sctp_endpoint *ep, int attempts = asoc->init_err_counter + 1; if (attempts > asoc->max_init_attempts) { + sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR, + SCTP_ERROR(ETIMEDOUT)); sctp_add_cmd_sf(commands, SCTP_CMD_INIT_FAILED, SCTP_U32(SCTP_ERROR_STALE_COOKIE)); return SCTP_DISPOSITION_DELETE_TCB; @@ -2262,6 +2259,7 @@ sctp_disposition_t sctp_sf_do_9_1_abort(const struct sctp_endpoint *ep, if (len >= sizeof(struct sctp_chunkhdr) + sizeof(struct sctp_errhdr)) error = ((sctp_errhdr_t *)chunk->skb->data)->cause; + sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR, SCTP_ERROR(ECONNRESET)); /* ASSOC_FAILED will DELETE_TCB. */ sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED, SCTP_U32(error)); SCTP_INC_STATS(SCTP_MIB_ABORTEDS); @@ -2306,7 +2304,8 @@ sctp_disposition_t sctp_sf_cookie_wait_abort(const struct sctp_endpoint *ep, if (len >= sizeof(struct sctp_chunkhdr) + sizeof(struct sctp_errhdr)) error = ((sctp_errhdr_t *)chunk->skb->data)->cause; - return sctp_stop_t1_and_abort(commands, error, asoc, chunk->transport); + return sctp_stop_t1_and_abort(commands, error, ECONNREFUSED, asoc, + chunk->transport); } /* @@ -2318,7 +2317,8 @@ sctp_disposition_t sctp_sf_cookie_wait_icmp_abort(const struct sctp_endpoint *ep void *arg, sctp_cmd_seq_t *commands) { - return sctp_stop_t1_and_abort(commands, SCTP_ERROR_NO_ERROR, asoc, + return sctp_stop_t1_and_abort(commands, SCTP_ERROR_NO_ERROR, + ENOPROTOOPT, asoc, (struct sctp_transport *)arg); } @@ -2343,7 +2343,7 @@ sctp_disposition_t sctp_sf_cookie_echoed_abort(const struct sctp_endpoint *ep, * This is common code called by several sctp_sf_*_abort() functions above. */ static sctp_disposition_t sctp_stop_t1_and_abort(sctp_cmd_seq_t *commands, - __u16 error, + __u16 error, int sk_err, const struct sctp_association *asoc, struct sctp_transport *transport) { @@ -2353,6 +2353,7 @@ static sctp_disposition_t sctp_stop_t1_and_abort(sctp_cmd_seq_t *commands, SCTP_INC_STATS(SCTP_MIB_ABORTEDS); sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP, SCTP_TO(SCTP_EVENT_TIMEOUT_T1_INIT)); + sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR, SCTP_ERROR(sk_err)); /* CMD_INIT_FAILED will DELETE_TCB. */ sctp_add_cmd_sf(commands, SCTP_CMD_INIT_FAILED, SCTP_U32(error)); @@ -3336,6 +3337,8 @@ sctp_disposition_t sctp_sf_do_asconf_ack(const struct sctp_endpoint *ep, sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP, SCTP_TO(SCTP_EVENT_TIMEOUT_T4_RTO)); sctp_add_cmd_sf(commands, SCTP_CMD_DISCARD_PACKET,SCTP_NULL()); + sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR, + SCTP_ERROR(ECONNABORTED)); sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED, SCTP_U32(SCTP_ERROR_ASCONF_ACK)); SCTP_INC_STATS(SCTP_MIB_ABORTEDS); @@ -3362,6 +3365,8 @@ sctp_disposition_t sctp_sf_do_asconf_ack(const struct sctp_endpoint *ep, * processing the rest of the chunks in the packet. */ sctp_add_cmd_sf(commands, SCTP_CMD_DISCARD_PACKET,SCTP_NULL()); + sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR, + SCTP_ERROR(ECONNABORTED)); sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED, SCTP_U32(SCTP_ERROR_ASCONF_ACK)); SCTP_INC_STATS(SCTP_MIB_ABORTEDS); @@ -3714,9 +3719,13 @@ static sctp_disposition_t sctp_sf_violation_chunklen( if (asoc->state <= SCTP_STATE_COOKIE_ECHOED) { sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP, SCTP_TO(SCTP_EVENT_TIMEOUT_T1_INIT)); + sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR, + SCTP_ERROR(ECONNREFUSED)); sctp_add_cmd_sf(commands, SCTP_CMD_INIT_FAILED, SCTP_U32(SCTP_ERROR_PROTO_VIOLATION)); } else { + sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR, + SCTP_ERROR(ECONNABORTED)); sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED, SCTP_U32(SCTP_ERROR_PROTO_VIOLATION)); SCTP_DEC_STATS(SCTP_MIB_CURRESTAB); @@ -4034,6 +4043,8 @@ sctp_disposition_t sctp_sf_do_9_1_prm_abort( * TCB. This is a departure from our typical NOMEM handling. */ + sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR, + SCTP_ERROR(ECONNABORTED)); /* Delete the established association. */ sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED, SCTP_U32(SCTP_ERROR_USER_ABORT)); @@ -4175,6 +4186,8 @@ sctp_disposition_t sctp_sf_cookie_wait_prm_abort( * TCB. This is a departure from our typical NOMEM handling. */ + sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR, + SCTP_ERROR(ECONNREFUSED)); /* Delete the established association. */ sctp_add_cmd_sf(commands, SCTP_CMD_INIT_FAILED, SCTP_U32(SCTP_ERROR_USER_ABORT)); @@ -4543,6 +4556,8 @@ sctp_disposition_t sctp_sf_do_6_3_3_rtx(const struct sctp_endpoint *ep, struct sctp_transport *transport = arg; if (asoc->overall_error_count >= asoc->max_retrans) { + sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR, + SCTP_ERROR(ETIMEDOUT)); /* CMD_ASSOC_FAILED calls CMD_DELETE_TCB. */ sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED, SCTP_U32(SCTP_ERROR_NO_ERROR)); @@ -4662,6 +4677,8 @@ sctp_disposition_t sctp_sf_t1_init_timer_expire(const struct sctp_endpoint *ep, SCTP_DEBUG_PRINTK("Giving up on INIT, attempts: %d" " max_init_attempts: %d\n", attempts, asoc->max_init_attempts); + sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR, + SCTP_ERROR(ETIMEDOUT)); sctp_add_cmd_sf(commands, SCTP_CMD_INIT_FAILED, SCTP_U32(SCTP_ERROR_NO_ERROR)); return SCTP_DISPOSITION_DELETE_TCB; @@ -4711,6 +4728,8 @@ sctp_disposition_t sctp_sf_t1_cookie_timer_expire(const struct sctp_endpoint *ep sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(repl)); } else { + sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR, + SCTP_ERROR(ETIMEDOUT)); sctp_add_cmd_sf(commands, SCTP_CMD_INIT_FAILED, SCTP_U32(SCTP_ERROR_NO_ERROR)); return SCTP_DISPOSITION_DELETE_TCB; @@ -4742,6 +4761,8 @@ sctp_disposition_t sctp_sf_t2_timer_expire(const struct sctp_endpoint *ep, SCTP_DEBUG_PRINTK("Timer T2 expired.\n"); if (asoc->overall_error_count >= asoc->max_retrans) { + sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR, + SCTP_ERROR(ETIMEDOUT)); /* Note: CMD_ASSOC_FAILED calls CMD_DELETE_TCB. */ sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED, SCTP_U32(SCTP_ERROR_NO_ERROR)); @@ -4817,6 +4838,8 @@ sctp_disposition_t sctp_sf_t4_timer_expire( if (asoc->overall_error_count >= asoc->max_retrans) { sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP, SCTP_TO(SCTP_EVENT_TIMEOUT_T4_RTO)); + sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR, + SCTP_ERROR(ETIMEDOUT)); sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED, SCTP_U32(SCTP_ERROR_NO_ERROR)); SCTP_INC_STATS(SCTP_MIB_ABORTEDS); @@ -4870,6 +4893,8 @@ sctp_disposition_t sctp_sf_t5_timer_expire(const struct sctp_endpoint *ep, goto nomem; sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(reply)); + sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR, + SCTP_ERROR(ETIMEDOUT)); sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED, SCTP_U32(SCTP_ERROR_NO_ERROR)); @@ -5309,6 +5334,8 @@ static int sctp_eat_data(const struct sctp_association *asoc, * processing the rest of the chunks in the packet. */ sctp_add_cmd_sf(commands, SCTP_CMD_DISCARD_PACKET,SCTP_NULL()); + sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR, + SCTP_ERROR(ECONNABORTED)); sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED, SCTP_U32(SCTP_ERROR_NO_DATA)); SCTP_INC_STATS(SCTP_MIB_ABORTEDS); diff --git a/net/sctp/socket.c b/net/sctp/socket.c index b6e4b89539b3..174d4d35e951 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -1057,6 +1057,7 @@ static int __sctp_connect(struct sock* sk, inet_sk(sk)->dport = htons(asoc->peer.port); af = sctp_get_af_specific(to.sa.sa_family); af->to_sk_daddr(&to, sk); + sk->sk_err = 0; timeo = sock_sndtimeo(sk, sk->sk_socket->file->f_flags & O_NONBLOCK); err = sctp_wait_for_connect(asoc, &timeo); @@ -1228,7 +1229,7 @@ SCTP_STATIC void sctp_close(struct sock *sk, long timeout) ep = sctp_sk(sk)->ep; - /* Walk all associations on a socket, not on an endpoint. */ + /* Walk all associations on an endpoint. */ list_for_each_safe(pos, temp, &ep->asocs) { asoc = list_entry(pos, struct sctp_association, asocs); @@ -1241,13 +1242,13 @@ SCTP_STATIC void sctp_close(struct sock *sk, long timeout) if (sctp_state(asoc, CLOSED)) { sctp_unhash_established(asoc); sctp_association_free(asoc); + continue; + } + } - } else if (sock_flag(sk, SOCK_LINGER) && - !sk->sk_lingertime) - sctp_primitive_ABORT(asoc, NULL); - else - sctp_primitive_SHUTDOWN(asoc, NULL); - } else + if (sock_flag(sk, SOCK_LINGER) && !sk->sk_lingertime) + sctp_primitive_ABORT(asoc, NULL); + else sctp_primitive_SHUTDOWN(asoc, NULL); } @@ -5317,6 +5318,7 @@ static int sctp_wait_for_sndbuf(struct sctp_association *asoc, long *timeo_p, */ sctp_release_sock(sk); current_timeo = schedule_timeout(current_timeo); + BUG_ON(sk != asoc->base.sk); sctp_lock_sock(sk); *timeo_p = current_timeo; @@ -5604,12 +5606,14 @@ static void sctp_sock_migrate(struct sock *oldsk, struct sock *newsk, */ newsp->type = type; - spin_lock_bh(&oldsk->sk_lock.slock); - /* Migrate the backlog from oldsk to newsk. */ - sctp_backlog_migrate(assoc, oldsk, newsk); - /* Migrate the association to the new socket. */ + /* Mark the new socket "in-use" by the user so that any packets + * that may arrive on the association after we've moved it are + * queued to the backlog. This prevents a potential race between + * backlog processing on the old socket and new-packet processing + * on the new socket. + */ + sctp_lock_sock(newsk); sctp_assoc_migrate(assoc, newsk); - spin_unlock_bh(&oldsk->sk_lock.slock); /* If the association on the newsk is already closed before accept() * is called, set RCV_SHUTDOWN flag. @@ -5618,6 +5622,7 @@ static void sctp_sock_migrate(struct sock *oldsk, struct sock *newsk, newsk->sk_shutdown |= RCV_SHUTDOWN; newsk->sk_state = SCTP_SS_ESTABLISHED; + sctp_release_sock(newsk); } /* This proto struct describes the ULP interface for SCTP. */ diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c index 3ac4193a78ed..7026b0866b7b 100644 --- a/net/sunrpc/cache.c +++ b/net/sunrpc/cache.c @@ -159,6 +159,7 @@ struct cache_head *sunrpc_cache_update(struct cache_detail *detail, detail->update(tmp, new); tmp->next = *head; *head = tmp; + detail->entries++; cache_get(tmp); is_new = cache_fresh_locked(tmp, new->expiry_time); cache_fresh_locked(old, 0); diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c index b54971059f16..891a6090cc09 100644 --- a/net/xfrm/xfrm_input.c +++ b/net/xfrm/xfrm_input.c @@ -62,7 +62,7 @@ int xfrm_parse_spi(struct sk_buff *skb, u8 nexthdr, u32 *spi, u32 *seq) case IPPROTO_COMP: if (!pskb_may_pull(skb, sizeof(struct ip_comp_hdr))) return -EINVAL; - *spi = ntohl(ntohs(*(u16*)(skb->h.raw + 2))); + *spi = htonl(ntohs(*(u16*)(skb->h.raw + 2))); *seq = 0; return 0; default: diff --git a/scripts/gen_initramfs_list.sh b/scripts/gen_initramfs_list.sh index 56b3bed1108f..331c079f029b 100644 --- a/scripts/gen_initramfs_list.sh +++ b/scripts/gen_initramfs_list.sh @@ -200,7 +200,11 @@ input_file() { print_mtime "$1" >> ${output} cat "$1" >> ${output} else - grep ^file "$1" | cut -d ' ' -f 3 + cat "$1" | while read type dir file perm ; do + if [ "$type" == "file" ]; then + echo "$file \\"; + fi + done fi elif [ -d "$1" ]; then dir_filelist "$1" diff --git a/scripts/mkmakefile b/scripts/mkmakefile index a22cbedd3b3e..7f9d544f9b6c 100644 --- a/scripts/mkmakefile +++ b/scripts/mkmakefile @@ -10,7 +10,10 @@ # $4 - patchlevel -cat << EOF +test ! -r $2/Makefile -o -O $2/Makefile || exit 0 +echo " GEN $2/Makefile" + +cat << EOF > $2/Makefile # Automatically generated by $0: don't edit VERSION = $3 diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index cd00e9f07589..d0f86ed43f7a 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -487,14 +487,14 @@ static int strrcmp(const char *s, const char *sub) * atsym =__param* * * Pattern 2: - * Many drivers utilise a *_driver container with references to + * Many drivers utilise a *driver container with references to * add, remove, probe functions etc. * These functions may often be marked __init and we do not want to * warn here. * the pattern is identified by: * tosec = .init.text | .exit.text | .init.data * fromsec = .data - * atsym = *_driver, *_template, *_sht, *_ops, *_probe, *probe_one + * atsym = *driver, *_template, *_sht, *_ops, *_probe, *probe_one **/ static int secref_whitelist(const char *tosec, const char *fromsec, const char *atsym) @@ -502,7 +502,7 @@ static int secref_whitelist(const char *tosec, const char *fromsec, int f1 = 1, f2 = 1; const char **s; const char *pat2sym[] = { - "_driver", + "driver", "_template", /* scsi uses *_template a lot */ "_sht", /* scsi also used *_sht to some extent */ "_ops", @@ -697,29 +697,79 @@ static void check_sec_ref(struct module *mod, const char *modname, /* Walk through all sections */ for (i = 0; i < hdr->e_shnum; i++) { - Elf_Rela *rela; - Elf_Rela *start = (void *)hdr + sechdrs[i].sh_offset; - Elf_Rela *stop = (void*)start + sechdrs[i].sh_size; - const char *name = secstrings + sechdrs[i].sh_name + - strlen(".rela"); + const char *name = secstrings + sechdrs[i].sh_name; + const char *secname; + Elf_Rela r; + unsigned int r_sym; /* We want to process only relocation sections and not .init */ - if (section_ref_ok(name) || (sechdrs[i].sh_type != SHT_RELA)) - continue; + if (sechdrs[i].sh_type == SHT_RELA) { + Elf_Rela *rela; + Elf_Rela *start = (void *)hdr + sechdrs[i].sh_offset; + Elf_Rela *stop = (void*)start + sechdrs[i].sh_size; + name += strlen(".rela"); + if (section_ref_ok(name)) + continue; - for (rela = start; rela < stop; rela++) { - Elf_Rela r; - const char *secname; - r.r_offset = TO_NATIVE(rela->r_offset); - r.r_info = TO_NATIVE(rela->r_info); - r.r_addend = TO_NATIVE(rela->r_addend); - sym = elf->symtab_start + ELF_R_SYM(r.r_info); - /* Skip special sections */ - if (sym->st_shndx >= SHN_LORESERVE) + for (rela = start; rela < stop; rela++) { + r.r_offset = TO_NATIVE(rela->r_offset); +#if KERNEL_ELFCLASS == ELFCLASS64 + if (hdr->e_machine == EM_MIPS) { + r_sym = ELF64_MIPS_R_SYM(rela->r_info); + r_sym = TO_NATIVE(r_sym); + } else { + r.r_info = TO_NATIVE(rela->r_info); + r_sym = ELF_R_SYM(r.r_info); + } +#else + r.r_info = TO_NATIVE(rela->r_info); + r_sym = ELF_R_SYM(r.r_info); +#endif + r.r_addend = TO_NATIVE(rela->r_addend); + sym = elf->symtab_start + r_sym; + /* Skip special sections */ + if (sym->st_shndx >= SHN_LORESERVE) + continue; + + secname = secstrings + + sechdrs[sym->st_shndx].sh_name; + if (section(secname)) + warn_sec_mismatch(modname, name, + elf, sym, r); + } + } else if (sechdrs[i].sh_type == SHT_REL) { + Elf_Rel *rel; + Elf_Rel *start = (void *)hdr + sechdrs[i].sh_offset; + Elf_Rel *stop = (void*)start + sechdrs[i].sh_size; + name += strlen(".rel"); + if (section_ref_ok(name)) continue; - secname = secstrings + sechdrs[sym->st_shndx].sh_name; - if (section(secname)) - warn_sec_mismatch(modname, name, elf, sym, r); + for (rel = start; rel < stop; rel++) { + r.r_offset = TO_NATIVE(rel->r_offset); +#if KERNEL_ELFCLASS == ELFCLASS64 + if (hdr->e_machine == EM_MIPS) { + r_sym = ELF64_MIPS_R_SYM(rel->r_info); + r_sym = TO_NATIVE(r_sym); + } else { + r.r_info = TO_NATIVE(rel->r_info); + r_sym = ELF_R_SYM(r.r_info); + } +#else + r.r_info = TO_NATIVE(rel->r_info); + r_sym = ELF_R_SYM(r.r_info); +#endif + r.r_addend = 0; + sym = elf->symtab_start + r_sym; + /* Skip special sections */ + if (sym->st_shndx >= SHN_LORESERVE) + continue; + + secname = secstrings + + sechdrs[sym->st_shndx].sh_name; + if (section(secname)) + warn_sec_mismatch(modname, name, + elf, sym, r); + } } } } diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h index b14255c72a37..861d866fcd83 100644 --- a/scripts/mod/modpost.h +++ b/scripts/mod/modpost.h @@ -21,6 +21,7 @@ #define ELF_ST_BIND ELF32_ST_BIND #define ELF_ST_TYPE ELF32_ST_TYPE +#define Elf_Rel Elf32_Rel #define Elf_Rela Elf32_Rela #define ELF_R_SYM ELF32_R_SYM #define ELF_R_TYPE ELF32_R_TYPE @@ -34,11 +35,31 @@ #define ELF_ST_BIND ELF64_ST_BIND #define ELF_ST_TYPE ELF64_ST_TYPE +#define Elf_Rel Elf64_Rel #define Elf_Rela Elf64_Rela #define ELF_R_SYM ELF64_R_SYM #define ELF_R_TYPE ELF64_R_TYPE #endif +/* The 64-bit MIPS ELF ABI uses an unusual reloc format. */ +typedef struct +{ + Elf32_Word r_sym; /* Symbol index */ + unsigned char r_ssym; /* Special symbol for 2nd relocation */ + unsigned char r_type3; /* 3rd relocation type */ + unsigned char r_type2; /* 2nd relocation type */ + unsigned char r_type1; /* 1st relocation type */ +} _Elf64_Mips_R_Info; + +typedef union +{ + Elf64_Xword r_info_number; + _Elf64_Mips_R_Info r_info_fields; +} _Elf64_Mips_R_Info_union; + +#define ELF64_MIPS_R_SYM(i) \ + ((__extension__ (_Elf64_Mips_R_Info_union)(i)).r_info_fields.r_sym) + #if KERNEL_ELFDATA != HOST_ELFDATA static inline void __endian(const void *src, void *dest, unsigned int size) @@ -48,8 +69,6 @@ static inline void __endian(const void *src, void *dest, unsigned int size) ((unsigned char*)dest)[i] = ((unsigned char*)src)[size - i-1]; } - - #define TO_NATIVE(x) \ ({ \ typeof(x) __x; \ diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index d987048d3f33..21dad415b896 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -3231,7 +3231,7 @@ static int selinux_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) goto out; /* Handle mapped IPv4 packets arriving via IPv6 sockets */ - if (family == PF_INET6 && skb->protocol == ntohs(ETH_P_IP)) + if (family == PF_INET6 && skb->protocol == htons(ETH_P_IP)) family = PF_INET; read_lock_bh(&sk->sk_callback_lock); diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c index 7177e98df7f3..c284dbb8b8c0 100644 --- a/security/selinux/ss/services.c +++ b/security/selinux/ss/services.c @@ -594,6 +594,10 @@ int security_sid_to_context(u32 sid, char **scontext, u32 *scontext_len) *scontext_len = strlen(initial_sid_to_string[sid]) + 1; scontextp = kmalloc(*scontext_len,GFP_ATOMIC); + if (!scontextp) { + rc = -ENOMEM; + goto out; + } strcpy(scontextp, initial_sid_to_string[sid]); *scontext = scontextp; goto out; diff --git a/sound/drivers/mpu401/mpu401.c b/sound/drivers/mpu401/mpu401.c index da7ef26995c3..77b06009735d 100644 --- a/sound/drivers/mpu401/mpu401.c +++ b/sound/drivers/mpu401/mpu401.c @@ -151,7 +151,7 @@ static struct pnp_device_id snd_mpu401_pnpids[] = { MODULE_DEVICE_TABLE(pnp, snd_mpu401_pnpids); -static int __init snd_mpu401_pnp(int dev, struct pnp_dev *device, +static int __devinit snd_mpu401_pnp(int dev, struct pnp_dev *device, const struct pnp_device_id *id) { if (!pnp_port_valid(device, 0) || diff --git a/sound/isa/es18xx.c b/sound/isa/es18xx.c index a36ec1daa5cb..e6945db8ed1b 100644 --- a/sound/isa/es18xx.c +++ b/sound/isa/es18xx.c @@ -85,6 +85,8 @@ #include <linux/pnp.h> #include <linux/isapnp.h> #include <linux/moduleparam.h> +#include <linux/delay.h> + #include <asm/io.h> #include <asm/dma.h> #include <sound/core.h> diff --git a/sound/oss/ad1848.c b/sound/oss/ad1848.c index 49796be955f3..e04fa49b0dc8 100644 --- a/sound/oss/ad1848.c +++ b/sound/oss/ad1848.c @@ -2026,7 +2026,8 @@ int ad1848_init (char *name, struct resource *ports, int irq, int dma_playback, if (irq > 0) { devc->dev_no = my_dev; - if (request_irq(devc->irq, adintr, 0, devc->name, (void *)my_dev) < 0) + if (request_irq(devc->irq, adintr, 0, devc->name, + (void *)(long)my_dev) < 0) { printk(KERN_WARNING "ad1848: Unable to allocate IRQ\n"); /* Don't free it either then.. */ @@ -2175,7 +2176,7 @@ void ad1848_unload(int io_base, int irq, int dma_playback, int dma_capture, int if (!share_dma) { if (devc->irq > 0) /* There is no point in freeing irq, if it wasn't allocated */ - free_irq(devc->irq, (void *)devc->dev_no); + free_irq(devc->irq, (void *)(long)devc->dev_no); sound_free_dma(dma_playback); @@ -2204,7 +2205,7 @@ irqreturn_t adintr(int irq, void *dev_id, struct pt_regs *dummy) unsigned char c930_stat = 0; int cnt = 0; - dev = (int)dev_id; + dev = (long)dev_id; devc = (ad1848_info *) audio_devs[dev]->devc; interrupt_again: /* Jump back here if int status doesn't reset */ @@ -2900,7 +2901,8 @@ static struct pnp_dev *activate_dev(char *devname, char *resname, struct pnp_dev return(dev); } -static struct pnp_dev *ad1848_init_generic(struct pnp_card *bus, struct address_info *hw_config, int slot) +static struct pnp_dev __init *ad1848_init_generic(struct pnp_card *bus, + struct address_info *hw_config, int slot) { /* Configure Audio device */ diff --git a/sound/oss/nm256_audio.c b/sound/oss/nm256_audio.c index 7de079b202f2..6e662ac009ae 100644 --- a/sound/oss/nm256_audio.c +++ b/sound/oss/nm256_audio.c @@ -960,7 +960,7 @@ static struct ac97_mixer_value_list mixer_defaults[] = { /* Installs the AC97 mixer into CARD. */ -static int __init +static int __devinit nm256_install_mixer (struct nm256_info *card) { int mixer; @@ -995,7 +995,7 @@ nm256_install_mixer (struct nm256_info *card) * RAM. */ -static void __init +static void __devinit nm256_peek_for_sig (struct nm256_info *card) { u32 port1offset @@ -1056,7 +1056,7 @@ nm256_install(struct pci_dev *pcidev, enum nm256rev rev, char *verstr) card->playing = 0; card->recording = 0; card->rev = rev; - spin_lock_init(&card->lock); + spin_lock_init(&card->lock); /* Init the memory port info. */ for (x = 0; x < 2; x++) { |