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2006-10-11[PATCH] powerpc/cell spidernet low watermark patch.Linas Vepstas2-4/+47
Implement basic low-watermark support for the transmit queue. Hardware low-watermarks allow a properly configured kernel to continously stream data to a device and not have to handle any interrupts at all in doing so. Correct zero-interrupt operation can be actually observed for this driver, when the socket buffer is made large enough. The basic idea of a low-watermark interrupt is as follows. The device driver queues up a bunch of packets for the hardware to transmit, and then kicks the hardware to get it started. As the hardware drains the queue of pending, untransmitted packets, the device driver will want to know when the queue is almost empty, so that it can queue some more packets. If the queue drains down to the low waterark, then an interrupt will be generated. However, if the kernel/driver continues to add enough packets to keep the queue partially filled, no interrupt will actually be generated, and the hardware can continue streaming packets indefinitely in this mode. The impelmentation is done by setting the DESCR_TXDESFLG flag in one of the packets. When the hardware sees this flag, it will interrupt the device driver. Because this flag is on a fixed packet, rather than at fixed location in the queue, the code below needs to move the flag as more packets are queued up. This implementation attempts to keep the flag at about 1/4 from "empty". Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Signed-off-by: James K Lewis <jklewis@us.ibm.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] powerpc/cell spidernet incorrect offsetLinas Vepstas1-1/+3
Bugfix -- the rx chain is in memory after the tx chain -- the offset being used was wrong, resulting in memory corruption when the size of the rx and tx rings weren't exactly the same. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: James K Lewis <jklewis@us.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] powerpc/cell spidernet stop error printing patch.Linas Vepstas1-4/+9
Turn off mis-interpretation of the queue-empty interrupt status bit as an error. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Signed-off-by: James K Lewis <jklewis@us.ibm.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] powerpc/cell spidernet fix error interrupt printLinas Vepstas1-1/+1
The print message associated with the descriptor chain end interrupt prints a bogs value. Fix that. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: James K Lewis <jklewis@us.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] powerpc/cell spidernet bogus rx interrupt bitLinas Vepstas1-3/+2
The current receive interrupt mask sets a bogus bit that doesn't even belong to the definition of this register. Remove it. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: James K Lewis <jklewis@us.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] Spidernet stop queue when queue is full.Linas Vepstas1-23/+10
This patch adds a call to netif_stop_queue() when there is no more room for more packets on the transmit queue. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: James K Lewis <jklewis@us.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] Spidernet fix register field definitionsLinas Vepstas2-6/+12
This patch fixes the names of a few fields in the DMA control register. There is no functional change. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: James K Lewis <jklewis@us.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] powerpc/cell spidernet add missing netdev watchdogLinas Vepstas1-0/+1
Set the netdev watchdog timer. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: James K Lewis <jklewis@us.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] powerpc/cell spidernet zlen min packet lengthLinas Vepstas1-4/+14
Polite device drivers pad short packets to 60 bytes, so that mean-spirited users don't accidentally DOS some other OS that can't handle short packets. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: James K Lewis <jklewis@us.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] powerpc/cell spidernet force-end fixLinas Vepstas1-1/+4
Bugfix: when cleaning up the transmit queue upon device close, be sure to walk the entire queue. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: James K Lewis <jklewis@us.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] Spidernet module parm permissionsLinas Vepstas1-2/+2
The module param permsissions should bw read-only, not writable. From: James K Lewis <jklewis@us.ibm.com> Signed-off-by: James K Lewis <jklewis@us.ibm.com> Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] powerpc/cell spidernet burst alignment patch.Linas Vepstas1-1/+1
This patch increases the Burst Address alignment from 64 to 1024 in the Spidernet driver. This improves transmit performance for large packets. From: James K Lewis <jklewis@us.ibm.com> Signed-off-by: James K Lewis <jklewis@us.ibm.com> Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] powerpc/cell spidernet ethtool -i version number info.Linas Vepstas3-1/+6
This patch adds version information as reported by ethtool -i to the Spidernet driver. From: James K Lewis <jklewis@us.ibm.com> Signed-off-by: James K Lewis <jklewis@us.ibm.com> Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] ehea: fix port state notification, default queue sizesJan-Bernd Themann2-9/+10
This patch includes a bug fix for the port state notification and fixes the default queue sizes. Signed-off-by: Jan-Bernd Themann <themann@de.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] ehea: firmware (hvcall) interface changesJan-Bernd Themann1-335/+238
This eHEA patch covers required changes related to Anton Blanchard's new hvcall interface. Signed-off-by: Jan-Bernd Themann <themann@de.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] ibmveth irq fixAndrew Morton1-1/+1
drivers/net/ibmveth.c:939: error: too many arguments to function `ibmveth_interrupt' Cc: Jeff Garzik <jeff@garzik.org> Cc: Anton Blanchard <anton@samba.org> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] b44: fix eeprom endianess issueMichael Buesch1-1/+1
This fixes eeprom read on big-endian architectures. readw returns the data in CPU order. With cpu_to_le16 we convert it to little endian, because "ptr" is a pointer to a _byte_ arrray. See the cast above. A byte array is little endian. The bug is: Reading u16 values with readw, casting them into an u8 array and accessing this u8 array as an u8 (byte) array. The correct fix is to swap the CPU-ordering value returned by readw into little endian, as the u8 array is little endian. This compiles to nothing on little endian hardware (so it does not change b44 code on LE hardware), but _fixes_ code on BE hardware. Signed-off-by: Michael Buesch <mb@bu3sch.de> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11[PATCH] Update smc91x driver with ARM Versatile board infoDeepak Saxena1-0/+18
We need to specify a Versatile-specific SMC_IRQ_FLAGS value or the new generic IRQ layer will complain thusly: No IRQF_TRIGGER set_type function for IRQ 25 (<NULL>) Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Cc: Jeff Garzik <jeff@garzik.org> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Nicolas Pitre <nico@cam.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-11Merge branch 'master' into upstream-fixesJeff Garzik1719-8893/+8372
2006-10-10ACPI: Allow setting SCI_EN bit in PM1_CONTROL registerLinus Torvalds2-3/+1
This is needed by at least the Mac Mini's, which (incorrectly) come back from suspend with SCI_EN clear. Thanks to Frédéric Riss for hunting this down. Acked-by: Frédéric Riss <frederic.riss@gmail.com> Cc: Pavel Machek <pavel@ucw.cz> Cc: Len Brown <len.brown@intel.com> Cc: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] firmware/dcdbas: fix bug in error cleanupJeff Garzik1-1/+1
The error path path mistakenly called sysfs_create_group() rather than sysfs_remove_group(). They take the same arguments, so it's easy to cut-n-paste such a bug. Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] irda: donauboe fixes, cleanupsJeff Garzik1-13/+7
- fix: toshoboe_invalid_dev() was recently removed, but not all callers were updated, causing the obvious linker error. Remove caller, because the check (like the one removed) isn't used. - fix: propagate request_irq() return value - cleanup: remove void* casts - cleanup: remove impossible ASSERTs Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10Merge branch 'merge' of ↵Linus Torvalds43-179/+370
git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: [POWERPC] Fix windfarm platform device usage [POWERPC] Fix i2c-powermac platform device usage [POWERPC] Fix secondary CPU startup on old "powersurge" SMP powermacs [POWERPC] ARCH=ppc pt_regs fixes [POWERPC] Update maple defconfig [POWERPC] Fix Maple secondary IDE interrupt [POWERPC] Make U4 PCIe work on maple [POWERPC] cell: fix default zImage build target [POWERPC] Fix boot wrapper invocation if CROSS_COMPILE contains spaces [POWERPC] Fix xmon IRQ handler for pt_regs removal
2006-10-10[PATCH] endianness annotations in s2ioAl Viro1-161/+161
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] ufs endianness annotationsAl Viro2-9/+15
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] fs/partitions endianness annotationsAl Viro1-4/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] Finish annotations of struct vlan_ethhdrAlexey Dobriyan2-2/+2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] isofs endianness annotationsAl Viro1-5/+5
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] smbfs endianness annotationsAl Viro1-6/+6
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] hpfs endianness annotationsAl Viro1-5/+6
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] fs/fat endianness annotationsAl Viro1-1/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] befs: endianness annotationsAl Viro6-72/+106
split the data structures that exist in host- and disk-endian variants, annotate the fields of disk-endian ones, propagate changes. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] befs: missing fs32_to_cpu() in debug.cAl Viro1-1/+1
inode->mode is disk-endian Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] befs: introduce on-disk endian typesAl Viro2-18/+22
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] befs: prepare to sanitizing headersAl Viro8-7/+2
pulled includes of endian.h from fs/befs/*.c to befs.h Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] befs: remove bogus typedefAl Viro1-1/+0
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] chelsio: add endian annotationsAlexey Dobriyan1-3/+3
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] serpent: fix endian warningsAlexey Dobriyan1-8/+8
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] cdrom: add endianness annotationsAlexey Dobriyan2-17/+17
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] use %p for pointersAl Viro1-1/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] use %zu for size_tAl Viro1-1/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] missed const in prototypeAl Viro1-1/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] net/sunrpc/auth_gss/svcauth_gss.c endianness regressionAl Viro1-2/+3
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] strndup() would better take size_t, not intAl Viro1-1/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] ptrdiff_t is %t, not %zAl Viro1-1/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] cpuset ANSI prototypeAl Viro1-1/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Paul Jackson <pj@sgi.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] fs/inode.c NULL noise removalAl Viro1-1/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] em28xx NULL noise removalAl Viro1-1/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] __user annotations: loop.cAl Viro1-1/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] openprom NULL noise removalAl Viro1-1/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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