- 09 Mar, 2007 1 commit
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Henrique de Moraes Holschuh authored
Improve the backlight code to emulate as much as possible the power management events, as we are unable to really power on or power off the backlight. Signed-off-by:
Henrique de Moraes Holschuh <hmh@hmh.eng.br> Acked-by:
Richard Purdie <rpurdie@rpsys.net> Signed-off-by:
Len Brown <len.brown@intel.com>
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- 22 Feb, 2007 2 commits
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Henrique de Moraes Holschuh authored
Make ibm-acpi bay support optional at kernel compile time. Signed-off-by: -
Henrique de Moraes Holschuh authored
The brightness class core does not update the initial status of the device's brightness at register time. Do it by ourselves. Signed-off-by:
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- 21 Feb, 2007 37 commits
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Linus Torvalds authored
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Jean Delvare authored
WARNING: drivers/video/i810/i810fb.o - Section mismatch: reference to .init.data: from .text between 'i810_check_params' (at offset 0x1123) and 'encode_fix' yres cannot be declared __devinitdata as it is used in i810_check_params(), which isn't __devinit. Signed-off-by:
Jean Delvare <khali@linux-fr.org> Acked-by:
James Simmons <jsimmons@infradead.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Ben Dooks authored
Driver for the Silicon Motion SM501 multifunction device framebuffer subsystem. This driver supports both the CRT and LCD panel heads, with some simple acceleration for the cursor plotting and support for screen panning. There is no current support for bitblt/drawing engines, which should be added at a later date. This has been tested on a number of configurations, including PCI and generic-bus, on PPC, ARM and SH4 [akpm@linux-foundation.org: fix warnings] Signed-off-by:
Ben Dooks <ben-linux@fluff.org> Signed-off-by:
Vincent Sanders <vince@arm.linux.org.u.> Acked-by:
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Philipp Zabel authored
Based on the discussion last december (http://lkml.org/lkml/2006/12/20/241), this patch - adds gpio_direction_input/output functions to generic.c instead of making them inline, - fixes comment and includes and uses inline functions instead of macros in gpio.h Signed-off-by:
Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by:
David Brownell <dbrownell@users.sourceforge.net> Signed-off-by:
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Philipp Zabel authored
this one adds an #include <asm/arch/regs-gpio.h>. Tested by Roman Moravcik on s3c2440. Based on the discussion last december (http://lkml.org/lkml/2006/12/20/243), this patch - fixes comment and includes in gpio.h - adds the gpio_to_irq definition for S3C2400 - includes asm/arch/regs-gpio.h for pin direction definitions Signed-off-by:
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Harald Welte authored
Add transfer modes 2 and 3 to the S3C24XX gpio SPI driver Signed-off-by:
Harald Welte <laforge@openmoko.org> Signed-off-by:
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David Brownell authored
The signature of the per-device cleanup() routine changed to remove its const-ness. Three new SPI controller drivers now need that change, to eliminate build warnings. This also fixes a build bug with atmel_spi on AT91 systems. Signed-off-by:
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Jean Delvare authored
WARNING: drivers/parport/parport_pc.o - Section mismatch: reference to .init.text: from .text between 'parport_pc_probe_port' (at offset 0x14f7) and 'parport_pc_unregister_port' parport_dma_probe() cannot be declared __devinit as it is called from parport_pc_probe_port() which isn't. Signed-off-by:
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Peter Zijlstra authored
>============================================= >[ INFO: possible recursive locking detected ] >2.6.19-1.2909.fc7 #1 >--------------------------------------------- >anaconda/587 is trying to acquire lock: > (&bdev->bd_mutex){--..}, at: [<c05fb380>] mutex_lock+0x21/0x24 > >but task is already holding lock: > (&bdev->bd_mutex){--..}, at: [<c05fb380>] mutex_lock+0x21/0x24 > >other info that might help us debug this: >1 lock held by anaconda/587: > #0: (&bdev->bd_mutex){--..}, at: [<c05fb380>] mutex_lock+0x21/0x24 > >stack backtrace: > [<c0405812>] show_trace_log_lvl+0x1a/0x2f > [<c0405db2>] show_trace+0x12/0x14 > [<c0405e36>] dump_stack+0x16/0x18 > [<c043bd84>] __lock_acquire+0x116/0xa09 > [<c043c960>] lock_acquire+0x56/0x6f > [<c05fb1fa>] __mutex_lock_slowpath+0xe5/0x24a > [<c05fb380>] mutex_lock+0x21/0x24 > [<c04d82fb>] blkdev_ioctl+0x600/0x76d > [<c04946b1>] block_ioctl+0x1b/0x1f > [<c047ed5a>] do_ioctl+0x22/0x68 > [<c047eff2>] vfs_ioctl+0x252/0x265 > [<c047f04e>] sys_ioctl+0x49/0x63 > [<c0404070>] syscall_call+0x7/0xb Annotate BLKPG_DEL_PARTITION's bd_mutex locking and add a little comment clarifying the bd_mutex locking, because I confused myself and initially thought the lock order was wrong too. Signed-off-by:Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Neil Brown <neilb@suse.de> Signed-off-by:
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Adrian Bunk authored
LD drivers/isdn/gigaset/built-in.o drivers/isdn/gigaset/ser_gigaset.o: In function `gigaset_m10x_send_skb': (.text+0xe50): multiple definition of `gigaset_m10x_send_skb' drivers/isdn/gigaset/usb_gigaset.o:(.text+0x0): first defined here drivers/isdn/gigaset/ser_gigaset.o: In function `gigaset_m10x_input': (.text+0x1121): multiple definition of `gigaset_m10x_input' drivers/isdn/gigaset/usb_gigaset.o:(.text+0x2d1): first defined here make[4]: *** [drivers/isdn/gigaset/built-in.o] Error 1 Signed-off-by:
Adrian Bunk <bunk@stusta.de> Cc: Tilman Schmidt <tilman@imap.cc> Signed-off-by:
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David Brownell authored
This patch stops "modpost" from issuing erroneous modpost warnings on ARM builds, which it's been doing since since maybe last summer. A canonical example would be driver method table entries: WARNING: <path> - Section mismatch: reference to .exit.text:<name>_remove from .data after '$d' (at offset 0x4) That "$d" symbol is generated by tools conformant with ARM ABI specs; in this case it's a symbol **in the middle of** a "<name>_driver" struct. The erroneous warnings appear to be issued because "modpost" whitelists references from "<name>_driver" data into init and exit sections ... but doesn't know should also include those "$d" mapping symbols, which are not otherwise associated with "<name>_driver" symbols. This patch prevents the modpost symbol lookup code from ever returning those mapping symbols, so it will return a whitelisted symbol instead. Then things work as expected. Now to revert various code-bloating "fixes" that got merged because of this modpost bug.... Signed-off-by:
Rusty Russell <rusty@rustcorp.com.au> Cc: Roman Zippel <zippel@linux-m68k.org> Acked-by:
Sam Ravnborg <sam@ravnborg.org> Signed-off-by:
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Philipp Zabel authored
Based on the discussion last december (http://lkml.org/lkml/2006/12/20/242), this patch: - moves the PXA_LAST_GPIO check into pxa_gpio_mode - fixes comment and includes in gpio.h - replaces the gpio_set/get_value macros with inline functions and adds a non-inline version to avoid code explosion when gpio is not a constant. Signed-off-by:
Nicolas Pitre <nico@cam.org> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by:
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David Brownell authored
Various bug fixes to the at91rm9200 RTC: - alarm: setalarm() should pay attention to the "enabled" flag - init: cleaner handling of the wakeup flags, which cpu init should really have set up. Doing it here is just a workaround. - linkage: since the at91_rtc driver probe() routine is in the init section, it should use platform_driver_probe() instead of leaving that pointer around in the driver struct after init section removal. - linkage: likewise, remove() belongs in the exit section. Among other things, the init and alarm changes ensure that this driver handles the new sysfs "wakealarm" attribute properly. Signed-off-by:
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David Brownell authored
Some rtc-sa1100 bugfixes: - The read_alarm() method reports the rtc_wkalrm.enabled field properly. This patch is already in the handhelds.org tree. - And the set_alarm() method now handles that flag correctly, rather than making mismatched {en,dis}able_irq_wake() calls, which trigger runtime warning messages. (Those calls are best made in suspend/resume methods.) Note that while this SA1100/PXA RTC is fully capable of waking those ARM processors from sleep states, that mechanism isn't properly supported on either processor family, or in this driver. Some boards have board-specific PM glue providing partial workarounds for the weak generic PM support. Signed-off-by: -
Randy Dunlap authored
Add TAINT_USER description to Tainted flags in oops-tracing.txt. Signed-off-by:
Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by:
"Theodore Ts'o" <tytso@mit.edu> Signed-off-by:
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Glauber de Oliveira Costa authored
Pointers to user data should be marked with a __user hint. This one is missing. Signed-off-by:
Glauber de Oliveira Costa <gcosta@redhat.com> Signed-off-by:
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Andrew Morton authored
lib/genalloc.c: In function 'gen_pool_alloc': lib/genalloc.c:151: warning: passing argument 2 of '__set_bit' from incompatible pointer type lib/genalloc.c: In function 'gen_pool_free': lib/genalloc.c:190: warning: passing argument 2 of '__clear_bit' from incompatible pointer type Signed-off-by:
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Christoph Hellwig authored
affs wants to truncate the inode when the last user goes away, currently it does that through a potentially racy i_count check in ->put_inode. But we already have a method that's called just after the we dropped the last reference, ->drop_inode. This patch implements affs_drop_inode to take advantage of this. Signed-off-by:
Christoph Hellwig <hch@lst.de> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by:
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Ian Kent authored
This problem was identified and fixed some time ago by Jeff Moyer but it fell through the cracks somehow. It is possible that a user space application could remove and re-create a directory during a request. To avoid returning a failure from lookup incorrectly when our current dentry is unhashed we need to check if another positive, hashed dentry matching this one exists and if so return it instead of a fail. Signed-off-by:
Jeff Moyer <jmoyer@redhat.com> Signed-off-by:
Ian Kent <raven@themaw.net> Signed-off-by:
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Ian Kent authored
Jeff Moyer has identified a race between mount and expire. What happens is that during an expire the situation can arise that a directory is removed and another lookup is done before the expire issues a completion status to the kernel module. In this case, since the the lookup gets a new dentry, it doesn't know that there is an expire in progress and when it posts its mount request, matches the existing expire request and waits for its completion. ENOENT is then returned to user space from lookup (as the dentry passed in is now unhashed) without having performed the mount request. The solution used here is to keep track of dentrys in this unhashed state and reuse them, if possible, in order to preserve the flags. Additionally, this infrastructure will provide the framework for the reintroduction of caching of mount fails removed earlier in development. Signed-off-by:
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Ian Kent authored
The current header file definitions for autofs version 5 have caused a couple of problems for application builds downstream. This fixes the problem by separating the definitions. Signed-off-by:
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Nick Piggin authored
nobh_prepare_write leaks data similarly to how simple_prepare_write did. Fix by not marking the page uptodate until nobh_commit_write time. Again, this could break weird use-cases, but none appear to exist in the tree. We can safely remove the set_page_dirty, because as the comment says, nobh_commit_write does set_page_dirty. If a filesystem wants to allocate backing store for a page dirtied via mmap, page_mkwrite is the suggested approach. Signed-off-by:
Nick Piggin <npiggin@suse.de> Signed-off-by:
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Nick Piggin authored
simple_prepare_write leaks uninitialised kernel data. This happens because the it leaves an uninitialised "hole" over the part of the page that the write is expected to go to. This is fine, but it then marks the page uptodate, which means a concurrent read can come in and copy the uninitialised memory into userspace before it written to. Fix it by simply marking it uptodate in simple_commit_write instead, after the hole has been filled in. This could theoretically break an fs that uses simple_prepare_write and not simple_commit_write, and that relies on the incorrect simple_prepare_write behaviour. Luckily, none of those exists in the tree. Signed-off-by:
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Dave Jones authored
This option is useful for all of the X86 subarchs afaik (and especially X86_GENERICARCH). Signed-off-by:
Dave Jones <davej@redhat.com> Acked-by:
David Brownell <david-b@pacbell.net> Signed-off-by:
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Simon Horman authored
Patch from Mohan Kumar M to add the ppc64 portions of the kdump documentation. http://thread.gmane.org/gmane.linux.kernel/481689/focus=3375 Cc: Mohan Kumar M <mohan@in.ibm.com> Cc: Vivek Goyal <vgoyal@in.ibm.com> Signed-off-by:
Simon Horman <horms@verge.net.au> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by:
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Simon Horman authored
The patch below updates MAINTAIER address Individuals (Only Andrew :): osdl.org -> linux-foundation.org Lists: osdl.org -> lists.osdl.org I assume the latter will change at some stage, but at least with this change the osdl/linux-foundation lists are consistent. Signed-off-by:
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Thomas Koeller authored
Signed-off-by:
Thomas Koeller <thomas.koeller@baslerweb.com> Signed-off-by:
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Randy Dunlap authored
Fix 23 of these sparse warnings on x86_64 allmodconfig: include/linux/cdrom.h:942:19: error: dubious bitfield without explicit `signed' or `unsigned' Signed-off-by:
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Randy Dunlap authored
Fix sparse warning in tty_io: drivers/char/tty_io.c:1536:34: warning: Using plain integer as NULL pointer Signed-off-by:
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Randy Dunlap authored
Output of a function or struct in html mode needs to include the short description from the function/struct name line in the output title line. Signed-off-by:
Johannes Berg <johannes@sipsolutions.net> Signed-off-by:
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Ben Dooks authored
This driver provides the core functionality of the SM501, which is a multi-function chip including two framebuffers, video acceleration, USB, and many other peripheral blocks. The driver exports a number of entries for the peripheral drivers to use. Signed-off-by:
Vincent Sanders <vince@arm.linux.org.uk> Signed-off-by:
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Jarek Poplawski authored
In __lock_acquire check_chain_key can turn off debug_locks, so check is needed to assure proper return code. Signed-off-by:
Jarek Poplawski <jarkao2@o2.pl> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by:
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Miguel Ojeda authored
The problem comes when ks0108/cfag12864b are built-in and no parallel port is present. ks0108_init() is called first, as it should be, but fails to load (as there is no parallel port to use). After that, cfag12864b_init() gets called, without knowing anything about ks0108 failed, and calls ks0108_writecontrol(), which dereferences an uninitialized pointer. Init order is OK, I think. The problem is how to stop cfag12864b_init() being called if ks0108 failed to load. modprobe does it for us, but, how when built-in? Signed-off-by:
Miguel Ojeda Sandonis <maxextreme@gmail.com> Signed-off-by:
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Aneesh Kumar K.V authored
Signed-off-by:
"Aneesh Kumar K.V" <aneesh.kumar@gmail.com> Signed-off-by:
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Alexey Dobriyan authored
Flags from spin_lock_irqsave() are saved into global variable and restored from it. My gut feeling this is very racy. Signed-off-by:
Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by:
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Gerhard Dirschl authored
Fixes http://bugzilla.kernel.org/show_bug.cgi?id=7810 - a silly copy-paste bug introduced by the latest change. Signed-off-by:
Gerhard Dirschl <gd@spherenet.de> Cc: Peter Osterlund <petero2@telia.com> Cc: <stable@kernel.org> Signed-off-by:
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Akinobu Mita authored
There is no prompt for CONFIG_STACKTRACE, so FAULT_INJECTION cannot be selected without LOCKDEP enabled. (found by Paolo 'Blaisorblade' Giarrusso) In order to fix such broken Kconfig dependency, this patch splits up the stacktrace filter support for fault injection by new Kconfig option, which enables to use fault injection on the architecture which doesn't have general stacktrace support. Cc: "Paolo 'Blaisorblade' Giarrusso" <blaisorblade@yahoo.it> Signed-off-by:
Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by:
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