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During sparse cleanup, found a locking bug. Some of the sysfs functions were
acquiring a lock, and then returning in the event of an error. We rearrange
the code so that the lock is released in error conditions, too.
Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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This patch eliminates the warning of unused return values when the driver
registers it sysfs files. Now the driver will print an error if it is
unable to register the sysfs files.
It also eliminates the macros used to wrap the DEVICE_ATTR macro and the
device_create_file function call. The macros don't reduce the number of
lines of source code in the file and the name munging makes is so that
cscope and friends don't see the references to the functions. It's better
to just call the kernel API directly.
While we're at it, the DEVICE_ATTR instances have been moved down to
be grouped with the functions they depend on.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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After Al Viro (finally) succeeded in removing the sched.h #include in module.h
recently, it makes sense again to remove other superfluous sched.h includes.
There are quite a lot of files which include it but don't actually need
anything defined in there. Presumably these includes were once needed for
macros that used to live in sched.h, but moved to other header files in the
course of cleaning it up.
To ease the pain, this time I did not fiddle with any header files and only
removed #includes from .c-files, which tend to cause less trouble.
Compile tested against 2.6.20-rc2 and 2.6.20-rc2-mm2 (with offsets) on alpha,
arm, i386, ia64, mips, powerpc, and x86_64 with allnoconfig, defconfig,
allmodconfig, and allyesconfig as well as a few randconfigs on x86_64 and all
configs in arch/arm/configs on arm. I also checked that no new warnings were
introduced by the patch (actually, some warnings are removed that were emitted
by unnecessarily included header files).
Signed-off-by: Tim Schmielau <tim@physik3.uni-rostock.de>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Convert network devices to use struct device instead of class_device. Greg
missed this one in his cleanup path.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
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This patch fixes several bugs in the gianfar driver, including a major one
where spinlocks were horribly broken:
* Split gianfar locks into two types: TX and RX
* Made it so gfar_start() now clears RHALT
* Fixed a bug where calling gfar_start_xmit() with interrupts off would
corrupt the interrupt state
* Fixed a bug where a frame could potentially arrive, and never be handled
(if no more frames arrived
* Fixed a bug where the rx_work_limit would never be observed by the rx
completion code
* Fixed a bug where the interrupt handlers were not actually protected by
their spinlocks
Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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drivers/net/gianfar_sysfs.c still contained the old email address
of Kumar Gala.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
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This seems to have gotten lost, so I'll resend.
Signed-off-by: Andy Fleming <afleming@freescale.com>
* Added sysfs support to gianfar for modifying FIFO and stashing parameters
* Updated driver to support 10 Mbit, full duplex operation
* Improved comments throughout
* Cleaned up and optimized offloading code
* Fixed a bug where rx buffers were being improperly mapped and unmapped
* (only manifested if cache-coherency was off)
* Added support for using the eTSEC exact-match MAC registers
* Bumped the version to 1.3
* Added support for distinguishing between reduced 100 and 10 Mbit modes
* Modified default coalescing values to lower latency
* Added documentation
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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