diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-03-28 15:54:25 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-03-28 15:54:25 -0700 |
commit | 0776ce03b1348d39ba3035ea3ee3d268a42912ce (patch) | |
tree | 24b9533ad5b05aeb02a730019f6860211253e1fd /drivers | |
parent | 045ecc26a06459c5c88eade6e545bb109a1cdb38 (diff) | |
parent | 482b0b5d82bd916cc0c55a2abf65bdc69023b843 (diff) | |
download | linux-0776ce03b1348d39ba3035ea3ee3d268a42912ce.tar.bz2 |
Merge tag 'usb-3.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg Kroah-Hartman:
"Here are some USB fixes to resolve issues reported recently, as well
as a new device id for the ftdi_sio driver."
* tag 'usb-3.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: ftdi_sio: Add support for Mitsubishi FX-USB-AW/-BD
usb: Fix compile error by selecting USB_OTG_UTILS
USB: serial: fix hang when opening port
USB: EHCI: fix bug in iTD/siTD DMA pool allocation
xhci: Don't warn on empty ring for suspended devices.
usb: xhci: Fix TRB transfer length macro used for Event TRB.
usb/acpi: binding xhci root hub usb port with ACPI
usb: add find_raw_port_number callback to struct hc_driver()
usb: xhci: fix build warning
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/usb/core/hcd.c | 8 | ||||
-rw-r--r-- | drivers/usb/core/usb-acpi.c | 8 | ||||
-rw-r--r-- | drivers/usb/gadget/Kconfig | 1 | ||||
-rw-r--r-- | drivers/usb/host/ehci-sched.c | 2 | ||||
-rw-r--r-- | drivers/usb/host/xhci-mem.c | 36 | ||||
-rw-r--r-- | drivers/usb/host/xhci-pci.c | 1 | ||||
-rw-r--r-- | drivers/usb/host/xhci-ring.c | 61 | ||||
-rw-r--r-- | drivers/usb/host/xhci.c | 22 | ||||
-rw-r--r-- | drivers/usb/host/xhci.h | 5 | ||||
-rw-r--r-- | drivers/usb/phy/Kconfig | 1 | ||||
-rw-r--r-- | drivers/usb/serial/ftdi_sio.c | 1 | ||||
-rw-r--r-- | drivers/usb/serial/ftdi_sio_ids.h | 7 | ||||
-rw-r--r-- | drivers/usb/serial/usb-serial.c | 1 |
13 files changed, 99 insertions, 55 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 99b34a30354f..f9ec44cbb82f 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -2412,6 +2412,14 @@ int usb_hcd_is_primary_hcd(struct usb_hcd *hcd) } EXPORT_SYMBOL_GPL(usb_hcd_is_primary_hcd); +int usb_hcd_find_raw_port_number(struct usb_hcd *hcd, int port1) +{ + if (!hcd->driver->find_raw_port_number) + return port1; + + return hcd->driver->find_raw_port_number(hcd, port1); +} + static int usb_hcd_request_irqs(struct usb_hcd *hcd, unsigned int irqnum, unsigned long irqflags) { diff --git a/drivers/usb/core/usb-acpi.c b/drivers/usb/core/usb-acpi.c index b6f4bad3f756..255c14464bf2 100644 --- a/drivers/usb/core/usb-acpi.c +++ b/drivers/usb/core/usb-acpi.c @@ -15,6 +15,7 @@ #include <linux/kernel.h> #include <linux/acpi.h> #include <linux/pci.h> +#include <linux/usb/hcd.h> #include <acpi/acpi_bus.h> #include "usb.h" @@ -188,8 +189,13 @@ static int usb_acpi_find_device(struct device *dev, acpi_handle *handle) * connected to. */ if (!udev->parent) { - *handle = acpi_get_child(DEVICE_ACPI_HANDLE(&udev->dev), + struct usb_hcd *hcd = bus_to_hcd(udev->bus); + int raw_port_num; + + raw_port_num = usb_hcd_find_raw_port_number(hcd, port_num); + *handle = acpi_get_child(DEVICE_ACPI_HANDLE(&udev->dev), + raw_port_num); if (!*handle) return -ENODEV; } else { diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig index 5a0c541daf89..c7525b1cad74 100644 --- a/drivers/usb/gadget/Kconfig +++ b/drivers/usb/gadget/Kconfig @@ -145,6 +145,7 @@ config USB_LPC32XX tristate "LPC32XX USB Peripheral Controller" depends on ARCH_LPC32XX select USB_ISP1301 + select USB_OTG_UTILS help This option selects the USB device controller in the LPC32xx SoC. diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index b476daf49f6f..010f686d8881 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -1214,6 +1214,7 @@ itd_urb_transaction ( memset (itd, 0, sizeof *itd); itd->itd_dma = itd_dma; + itd->frame = 9999; /* an invalid value */ list_add (&itd->itd_list, &sched->td_list); } spin_unlock_irqrestore (&ehci->lock, flags); @@ -1915,6 +1916,7 @@ sitd_urb_transaction ( memset (sitd, 0, sizeof *sitd); sitd->sitd_dma = sitd_dma; + sitd->frame = 9999; /* an invalid value */ list_add (&sitd->sitd_list, &iso_sched->td_list); } diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 35616ffbe3ae..6dc238c592bc 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1022,44 +1022,24 @@ void xhci_copy_ep0_dequeue_into_input_ctx(struct xhci_hcd *xhci, * is attached to (or the roothub port its ancestor hub is attached to). All we * know is the index of that port under either the USB 2.0 or the USB 3.0 * roothub, but that doesn't give us the real index into the HW port status - * registers. Scan through the xHCI roothub port array, looking for the Nth - * entry of the correct port speed. Return the port number of that entry. + * registers. Call xhci_find_raw_port_number() to get real index. */ static u32 xhci_find_real_port_number(struct xhci_hcd *xhci, struct usb_device *udev) { struct usb_device *top_dev; - unsigned int num_similar_speed_ports; - unsigned int faked_port_num; - int i; + struct usb_hcd *hcd; + + if (udev->speed == USB_SPEED_SUPER) + hcd = xhci->shared_hcd; + else + hcd = xhci->main_hcd; for (top_dev = udev; top_dev->parent && top_dev->parent->parent; top_dev = top_dev->parent) /* Found device below root hub */; - faked_port_num = top_dev->portnum; - for (i = 0, num_similar_speed_ports = 0; - i < HCS_MAX_PORTS(xhci->hcs_params1); i++) { - u8 port_speed = xhci->port_array[i]; - - /* - * Skip ports that don't have known speeds, or have duplicate - * Extended Capabilities port speed entries. - */ - if (port_speed == 0 || port_speed == DUPLICATE_ENTRY) - continue; - /* - * USB 3.0 ports are always under a USB 3.0 hub. USB 2.0 and - * 1.1 ports are under the USB 2.0 hub. If the port speed - * matches the device speed, it's a similar speed port. - */ - if ((port_speed == 0x03) == (udev->speed == USB_SPEED_SUPER)) - num_similar_speed_ports++; - if (num_similar_speed_ports == faked_port_num) - /* Roothub ports are numbered from 1 to N */ - return i+1; - } - return 0; + return xhci_find_raw_port_number(hcd, top_dev->portnum); } /* Setup an xHCI virtual device for a Set Address command */ diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index af259e0ec172..1a30c380043c 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -313,6 +313,7 @@ static const struct hc_driver xhci_pci_hc_driver = { .set_usb2_hw_lpm = xhci_set_usb2_hardware_lpm, .enable_usb3_lpm_timeout = xhci_enable_usb3_lpm_timeout, .disable_usb3_lpm_timeout = xhci_disable_usb3_lpm_timeout, + .find_raw_port_number = xhci_find_raw_port_number, }; /*-------------------------------------------------------------------------*/ diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 882875465301..1969c001b3f9 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1599,14 +1599,20 @@ static void handle_port_status(struct xhci_hcd *xhci, max_ports = HCS_MAX_PORTS(xhci->hcs_params1); if ((port_id <= 0) || (port_id > max_ports)) { xhci_warn(xhci, "Invalid port id %d\n", port_id); - bogus_port_status = true; - goto cleanup; + inc_deq(xhci, xhci->event_ring); + return; } /* Figure out which usb_hcd this port is attached to: * is it a USB 3.0 port or a USB 2.0/1.1 port? */ major_revision = xhci->port_array[port_id - 1]; + + /* Find the right roothub. */ + hcd = xhci_to_hcd(xhci); + if ((major_revision == 0x03) != (hcd->speed == HCD_USB3)) + hcd = xhci->shared_hcd; + if (major_revision == 0) { xhci_warn(xhci, "Event for port %u not in " "Extended Capabilities, ignoring.\n", @@ -1629,10 +1635,6 @@ static void handle_port_status(struct xhci_hcd *xhci, * into the index into the ports on the correct split roothub, and the * correct bus_state structure. */ - /* Find the right roothub. */ - hcd = xhci_to_hcd(xhci); - if ((major_revision == 0x03) != (hcd->speed == HCD_USB3)) - hcd = xhci->shared_hcd; bus_state = &xhci->bus_state[hcd_index(hcd)]; if (hcd->speed == HCD_USB3) port_array = xhci->usb3_ports; @@ -2027,8 +2029,8 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td, if (event_trb != ep_ring->dequeue && event_trb != td->last_trb) td->urb->actual_length = - td->urb->transfer_buffer_length - - TRB_LEN(le32_to_cpu(event->transfer_len)); + td->urb->transfer_buffer_length - + EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)); else td->urb->actual_length = 0; @@ -2060,7 +2062,7 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td, /* Maybe the event was for the data stage? */ td->urb->actual_length = td->urb->transfer_buffer_length - - TRB_LEN(le32_to_cpu(event->transfer_len)); + EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)); xhci_dbg(xhci, "Waiting for status " "stage event\n"); return 0; @@ -2096,7 +2098,7 @@ static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td, /* handle completion code */ switch (trb_comp_code) { case COMP_SUCCESS: - if (TRB_LEN(le32_to_cpu(event->transfer_len)) == 0) { + if (EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)) == 0) { frame->status = 0; break; } @@ -2141,7 +2143,7 @@ static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td, len += TRB_LEN(le32_to_cpu(cur_trb->generic.field[2])); } len += TRB_LEN(le32_to_cpu(cur_trb->generic.field[2])) - - TRB_LEN(le32_to_cpu(event->transfer_len)); + EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)); if (trb_comp_code != COMP_STOP_INVAL) { frame->actual_length = len; @@ -2199,7 +2201,7 @@ static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td, case COMP_SUCCESS: /* Double check that the HW transferred everything. */ if (event_trb != td->last_trb || - TRB_LEN(le32_to_cpu(event->transfer_len)) != 0) { + EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)) != 0) { xhci_warn(xhci, "WARN Successful completion " "on short TX\n"); if (td->urb->transfer_flags & URB_SHORT_NOT_OK) @@ -2227,18 +2229,18 @@ static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td, "%d bytes untransferred\n", td->urb->ep->desc.bEndpointAddress, td->urb->transfer_buffer_length, - TRB_LEN(le32_to_cpu(event->transfer_len))); + EVENT_TRB_LEN(le32_to_cpu(event->transfer_len))); /* Fast path - was this the last TRB in the TD for this URB? */ if (event_trb == td->last_trb) { - if (TRB_LEN(le32_to_cpu(event->transfer_len)) != 0) { + if (EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)) != 0) { td->urb->actual_length = td->urb->transfer_buffer_length - - TRB_LEN(le32_to_cpu(event->transfer_len)); + EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)); if (td->urb->transfer_buffer_length < td->urb->actual_length) { xhci_warn(xhci, "HC gave bad length " "of %d bytes left\n", - TRB_LEN(le32_to_cpu(event->transfer_len))); + EVENT_TRB_LEN(le32_to_cpu(event->transfer_len))); td->urb->actual_length = 0; if (td->urb->transfer_flags & URB_SHORT_NOT_OK) *status = -EREMOTEIO; @@ -2280,7 +2282,7 @@ static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td, if (trb_comp_code != COMP_STOP_INVAL) td->urb->actual_length += TRB_LEN(le32_to_cpu(cur_trb->generic.field[2])) - - TRB_LEN(le32_to_cpu(event->transfer_len)); + EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)); } return finish_td(xhci, td, event_trb, event, ep, status, false); @@ -2368,7 +2370,7 @@ static int handle_tx_event(struct xhci_hcd *xhci, * transfer type */ case COMP_SUCCESS: - if (TRB_LEN(le32_to_cpu(event->transfer_len)) == 0) + if (EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)) == 0) break; if (xhci->quirks & XHCI_TRUST_TX_LENGTH) trb_comp_code = COMP_SHORT_TX; @@ -2461,14 +2463,21 @@ static int handle_tx_event(struct xhci_hcd *xhci, * TD list. */ if (list_empty(&ep_ring->td_list)) { - xhci_warn(xhci, "WARN Event TRB for slot %d ep %d " - "with no TDs queued?\n", - TRB_TO_SLOT_ID(le32_to_cpu(event->flags)), - ep_index); - xhci_dbg(xhci, "Event TRB with TRB type ID %u\n", - (le32_to_cpu(event->flags) & - TRB_TYPE_BITMASK)>>10); - xhci_print_trb_offsets(xhci, (union xhci_trb *) event); + /* + * A stopped endpoint may generate an extra completion + * event if the device was suspended. Don't print + * warnings. + */ + if (!(trb_comp_code == COMP_STOP || + trb_comp_code == COMP_STOP_INVAL)) { + xhci_warn(xhci, "WARN Event TRB for slot %d ep %d with no TDs queued?\n", + TRB_TO_SLOT_ID(le32_to_cpu(event->flags)), + ep_index); + xhci_dbg(xhci, "Event TRB with TRB type ID %u\n", + (le32_to_cpu(event->flags) & + TRB_TYPE_BITMASK)>>10); + xhci_print_trb_offsets(xhci, (union xhci_trb *) event); + } if (ep->skip) { ep->skip = false; xhci_dbg(xhci, "td_list is empty while skip " diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 849470b18831..53b8f89a0b1c 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -3779,6 +3779,28 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev) return 0; } +/* + * Transfer the port index into real index in the HW port status + * registers. Caculate offset between the port's PORTSC register + * and port status base. Divide the number of per port register + * to get the real index. The raw port number bases 1. + */ +int xhci_find_raw_port_number(struct usb_hcd *hcd, int port1) +{ + struct xhci_hcd *xhci = hcd_to_xhci(hcd); + __le32 __iomem *base_addr = &xhci->op_regs->port_status_base; + __le32 __iomem *addr; + int raw_port; + + if (hcd->speed != HCD_USB3) + addr = xhci->usb2_ports[port1 - 1]; + else + addr = xhci->usb3_ports[port1 - 1]; + + raw_port = (addr - base_addr)/NUM_PORT_REGS + 1; + return raw_port; +} + #ifdef CONFIG_USB_SUSPEND /* BESL to HIRD Encoding array for USB2 LPM */ diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 2c510e4a7d4c..63582719e0fb 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -972,6 +972,10 @@ struct xhci_transfer_event { __le32 flags; }; +/* Transfer event TRB length bit mask */ +/* bits 0:23 */ +#define EVENT_TRB_LEN(p) ((p) & 0xffffff) + /** Transfer Event bit fields **/ #define TRB_TO_EP_ID(p) (((p) >> 16) & 0x1f) @@ -1829,6 +1833,7 @@ void xhci_test_and_clear_bit(struct xhci_hcd *xhci, __le32 __iomem **port_array, int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, u16 wIndex, char *buf, u16 wLength); int xhci_hub_status_data(struct usb_hcd *hcd, char *buf); +int xhci_find_raw_port_number(struct usb_hcd *hcd, int port1); #ifdef CONFIG_PM int xhci_bus_suspend(struct usb_hcd *hcd); diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig index 65217a590068..90549382eba5 100644 --- a/drivers/usb/phy/Kconfig +++ b/drivers/usb/phy/Kconfig @@ -38,6 +38,7 @@ config USB_ISP1301 tristate "NXP ISP1301 USB transceiver support" depends on USB || USB_GADGET depends on I2C + select USB_OTG_UTILS help Say Y here to add support for the NXP ISP1301 USB transceiver driver. This chip is typically used as USB transceiver for USB host, gadget diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index d4809d551473..9886180e45f1 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -640,6 +640,7 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) }, { USB_DEVICE(ACTON_VID, ACTON_SPECTRAPRO_PID) }, { USB_DEVICE(CONTEC_VID, CONTEC_COM1USBH_PID) }, + { USB_DEVICE(MITSUBISHI_VID, MITSUBISHI_FXUSB_PID) }, { USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) }, { USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) }, { USB_DEVICE(BANDB_VID, BANDB_USO9ML2_PID) }, diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index 9d359e189a64..e79861eeed4c 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -584,6 +584,13 @@ #define CONTEC_COM1USBH_PID 0x8311 /* COM-1(USB)H */ /* + * Mitsubishi Electric Corp. (http://www.meau.com) + * Submitted by Konstantin Holoborodko + */ +#define MITSUBISHI_VID 0x06D3 +#define MITSUBISHI_FXUSB_PID 0x0284 /* USB/RS422 converters: FX-USB-AW/-BD */ + +/* * Definitions for B&B Electronics products. */ #define BANDB_VID 0x0856 /* B&B Electronics Vendor ID */ diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 2e70efa08b77..5d9b178484fd 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -903,6 +903,7 @@ static int usb_serial_probe(struct usb_interface *interface, port->port.ops = &serial_port_ops; port->serial = serial; spin_lock_init(&port->lock); + init_waitqueue_head(&port->delta_msr_wait); /* Keep this for private driver use for the moment but should probably go away */ INIT_WORK(&port->work, usb_serial_port_work); |