pandora-kernel.git
15 years agoMerge branches 'omap-fixes', 'omap-for-linus' and 'devel-pending' into for-next
Tony Lindgren [Tue, 5 Oct 2010 01:45:22 +0000 (18:45 -0700)]
Merge branches 'omap-fixes', 'omap-for-linus' and 'devel-pending' into for-next

15 years agoMerge branches 'devel-omap1' and 'devel-omap2plus' into omap-for-linus
Tony Lindgren [Tue, 5 Oct 2010 01:43:45 +0000 (18:43 -0700)]
Merge branches 'devel-omap1' and 'devel-omap2plus' into omap-for-linus

15 years agoMerge branch 'pm-next-2' of ssh://master.kernel.org/pub/scm/linux/kernel/git/khilman...
Tony Lindgren [Tue, 5 Oct 2010 01:40:30 +0000 (18:40 -0700)]
Merge branch 'pm-next-2' of ssh:///linux/kernel/git/khilman/linux-omap-pm into omap-for-linus

15 years agoMerge branch 'omap_sparse_fixesv2' of git://dev.omapzoom.org/pub/scm/manju/kernel...
Tony Lindgren [Tue, 5 Oct 2010 01:39:04 +0000 (18:39 -0700)]
Merge branch 'omap_sparse_fixesv2' of git://dev.omapzoom.org/manju/kernel-omap3-dev into omap-for-linus

Conflicts:
arch/arm/mach-omap2/board-4430sdp.c
arch/arm/mach-omap2/board-omap4panda.c
arch/arm/mach-omap2/control.c
arch/arm/plat-omap/sram.c

15 years agoMerge branch 'control_mcbsp_fix_2.6.37' of git://git.pwsan.com/linux-2.6 into omap...
Tony Lindgren [Tue, 5 Oct 2010 00:00:29 +0000 (17:00 -0700)]
Merge branch 'control_mcbsp_fix_2.6.37' of git://git.pwsan.com/linux-2.6 into omap-for-linus

15 years agoomap: Keep nwires for omap1 and 2420 MMC controller
Tony Lindgren [Mon, 4 Oct 2010 23:58:01 +0000 (16:58 -0700)]
omap: Keep nwires for omap1 and 2420 MMC controller

A patch from Sukumar Ghorai <s-ghorai@ti.com> changed the
nwires to use caps instead. However, nwires is still
needed for the earlier controller.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Sukumar Ghorai <s-ghorai@ti.com>
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
15 years agoOMAP2+: clock: reduce the amount of standard debugging while disabling unused clocks
Paul Walmsley [Fri, 1 Oct 2010 21:46:44 +0000 (15:46 -0600)]
OMAP2+: clock: reduce the amount of standard debugging while disabling unused clocks

Reduce the amount of debugging generated by default when unused clocks
are being disabled by the clock code.  The previous code would only
generate debug-level messages, but some people who wished to run
production kernels with debug-level messages enabled reported that the
large number of clock disable messages were slowing boot.  Now to
enable clock-by-clock disable messages, DEBUG needs to be defined in
mach-omap2/clock.c.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Tuukka Tikkanen <tuukka.tikkanen@nokia.com>
Cc: Tim Bird <tim.bird@am.sony.com>
15 years agoOMAP: control: move plat-omap/control.h to mach-omap2/control.h
Paul Walmsley [Fri, 1 Oct 2010 21:46:44 +0000 (15:46 -0600)]
OMAP: control: move plat-omap/control.h to mach-omap2/control.h

Only OMAP2+ platforms have the System Control Module (SCM) IP block.
In the past, we've kept the SCM header file in plat-omap.  This has
led to abuse - device drivers including it; includes being added that
create implicit dependencies on OMAP2+ builds; etc.

In response, move the SCM headers into mach-omap2/.

As part of this, remove the direct SCM access from the OMAP UDC
driver.  It was clearly broken.  The UDC code needs an indepth review for
use on OMAP2+ chips.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Cory Maccarrone <darkstar6262@gmail.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
15 years agoOMAP: split plat-omap/common.c
Paul Walmsley [Fri, 1 Oct 2010 21:46:44 +0000 (15:46 -0600)]
OMAP: split plat-omap/common.c

Split plat-omap/common.c into three pieces:

1. the 32KiHz sync timer and clocksource code, which now lives in
   plat-omap/counter_32k.c;

2. the OMAP2+ common code, which has been moved to mach-omap2/common.c;

3. and the remainder of the OMAP-wide common code, which includes the
   deprecated ATAGs code and a deprecated video RAM reservation function.

The primary motivation for doing this is to move the OMAP2+-specific parts
into an OMAP2+-specific file, so that build breakage related to the
System Control Module code can be resolved.

Benoît Cousson <b-cousson@ti.com> suggested a new filename and found
some bugs in the counter_32k.c comments - thanks Benoît.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Benoît Cousson <b-cousson@ti.com>
15 years agoOMAP: McBSP: implement functional clock switching via clock framework
Paul Walmsley [Fri, 1 Oct 2010 21:46:43 +0000 (15:46 -0600)]
OMAP: McBSP: implement functional clock switching via clock framework

Previously the OMAP McBSP ASoC driver implemented CLKS switching by
using omap_ctrl_{read,write}l() directly.  This is against policy; the OMAP
System Control Module functions are not intended to be exported to drivers.
These symbols are no longer exported, so as a result, the OMAP McBSP ASoC
driver does not build as a module.

Resolve the CLKS clock changing portion of this problem by creating a
clock parent changing function that lives in
arch/arm/mach-omap2/mcbsp.c, and modify the ASoC driver to use it.
Due to the unfortunate way that McBSP support is implemented in ASoC
and the OMAP tree, this symbol must be exported for use by
sound/soc/omap/omap-mcbsp.c.

Going forward, the McBSP device driver should be moved from
arch/arm/*omap* into drivers/ or sound/soc/* and the CPU DAI driver
should be implemented as a platform_driver as many other ASoC CPU DAI
drivers are.  These two steps should resolve many of the layering
problems, which will rapidly reappear during a McBSP hwmod/PM runtime
conversions.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Jarkko Nikula <jhnikula@gmail.com>
Cc: Peter Ujfalusi <peter.ujfalusi@nokia.com>
15 years agoOMAP: McBSP: implement McBSP CLKR and FSR signal muxing via mach-omap2/mcbsp.c
Paul Walmsley [Fri, 1 Oct 2010 21:46:43 +0000 (15:46 -0600)]
OMAP: McBSP: implement McBSP CLKR and FSR signal muxing via mach-omap2/mcbsp.c

The OMAP ASoC McBSP code implemented CLKR and FSR signal muxing via
direct System Control Module writes on OMAP2+.  This required the
omap_ctrl_{read,write}l() functions to be exported, which is against
policy: the only code that should call those functions directly is
OMAP core code, not device drivers.  omap_ctrl_{read,write}*() are no
longer exported, so the driver no longer builds as a module.

Fix the pinmuxing part of the problem by removing calls to
omap_ctrl_{read,write}l() from the OMAP ASoC McBSP code and
implementing signal muxing functions in arch/arm/mach-omap2/mcbsp.c.
Due to the unfortunate way that McBSP support is implemented in ASoC
and the OMAP tree, these symbols must be exported for use by
sound/soc/omap/omap-mcbsp.c.

Going forward, the McBSP device driver should be moved from
arch/arm/*omap* into drivers/ or sound/soc/*, and the CPU DAI driver
should be implemented as a platform_driver as many other ASoC CPU DAI
drivers are.  These two steps should resolve many of the layering
problems, which will rapidly reappear during a McBSP hwmod/PM runtime
conversion.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Jarkko Nikula <jhnikula@gmail.com>
Cc: Peter Ujfalusi <peter.ujfalusi@nokia.com>
15 years agoOMAP3xxx: clock: add clkdev aliases for McBSP fclk source switching
Paul Walmsley [Fri, 1 Oct 2010 21:46:42 +0000 (15:46 -0600)]
OMAP3xxx: clock: add clkdev aliases for McBSP fclk source switching

The OMAP3 clock tree already contains the infrastructure to support
clock framework-based McBSP functional clock source switching.  But it
did not contain the clkdev aliases for the McBSP code to refer to the
parent clocks in an SoC integration-neutral way.  So, add the clkdev
aliases for the parent clocks.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
15 years agoOMAP2430: clock: add MCBSP_CLKS node and clkdev aliases
Paul Walmsley [Fri, 1 Oct 2010 21:46:42 +0000 (15:46 -0600)]
OMAP2430: clock: add MCBSP_CLKS node and clkdev aliases

Add the MCBSP_CLKS clock and the clksel structures needed to support clock
framework-based source switching for McBSPs 1-5.  Also, add clkdev
aliases on the parent clocks for the McBSP source switching code, added
in a subsequent patch.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
15 years agoOMAP2420: clock: add MCBSP_CLKS node and clkdev aliases
Paul Walmsley [Fri, 1 Oct 2010 21:46:42 +0000 (15:46 -0600)]
OMAP2420: clock: add MCBSP_CLKS node and clkdev aliases

Add the MCBSP_CLKS clock and the clksel structures needed to support clock
framework-based source switching for McBSP 1 and 2.  Also, add clkdev
aliases on the parent clocks for the McBSP source switching code, added
in a subsequent patch.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
15 years agoOMAP2420: CTRL: fix OMAP242X_CTRL_REGADDR macro
Paul Walmsley [Fri, 1 Oct 2010 21:46:41 +0000 (15:46 -0600)]
OMAP2420: CTRL: fix OMAP242X_CTRL_REGADDR macro

Conform the OMAP2420_CTRL_BASE macro name to the standard of the rest of the
OMAP*_CTRL_BASE macro names.  This fixes a bug in the OMAP2420 SCM code that
prevented OMAP242X_CTRL_REGADDR from working.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
15 years agoOMAP1: Amstrad Delta: add camera controlled LEDS trigger
Janusz Krzysztofik [Fri, 1 Oct 2010 23:37:01 +0000 (16:37 -0700)]
OMAP1: Amstrad Delta: add camera controlled LEDS trigger

This patch extends the Amstrad Delta camera support with LEDS trigger that can
be used for automatic control of the on-board camera LED. The led turns on
automatically on camera device open and turns off on camera device close.

Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoOMAP1: Amstrad Delta: add support for camera
Janusz Krzysztofik [Fri, 1 Oct 2010 23:37:00 +0000 (16:37 -0700)]
OMAP1: Amstrad Delta: add support for camera

This patch adds configuration data and initialization code required for camera
support to the Amstrad Delta board.

Three devices are declared: SoC camera, OMAP1 camera interface and OV6650
sensor.

Default 12MHz clock has been selected for driving the sensor. Pixel clock has
been limited to get reasonable frame rates, not exceeding the board
capabilities. Since both devices (interface and sensor) support both pixel
clock polarities, decision on polarity selection has been left to drivers.
Interface GPIO line has been found not functional, thus not configured.

Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoOMAP1: Add support for SoC camera interface
Janusz Krzysztofik [Fri, 1 Oct 2010 23:37:00 +0000 (16:37 -0700)]
OMAP1: Add support for SoC camera interface

This patch adds a definition of the OMAP1 camera interface platform device,
and a function that allows for providing a board specific platform data.
The device will be used with the upcoming OMAP1 SoC camera interface driver.

Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoomap4 hsmmc: Update ocr mask for MMC2 for regulator to use
kishore kadiyala [Fri, 1 Oct 2010 23:35:28 +0000 (16:35 -0700)]
omap4 hsmmc: Update ocr mask for MMC2 for regulator to use

On OMAP4, MMC2 controller has eMMC which draws power from VAUX regulator
on TWL. Though the eMMC supports dual voltage[1.8v/3v] as per ocr register,
its VCC is fixed at 3V for operation. With this once the mmc core selects
the minimum voltage[1.8] supported based on the ocr value read from OCR register,
eMMC will not get detected. Thus the platform data for MMC2 is updated with ocr
mask and same will be communicated to core which will set the regulator to
always operate at 3V when ever turned ON.

Cc: Tony Lindgren <tony@atomide.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Madhusudhan Chikkature <madhu.cr@ti.com>
Cc: Adrian Hunter <adrian.hunter@nokia.com>
Signed-off-by: Kishore Kadiyala <kishore.kadiyala@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoomap4 hsmmc: Register offset handling
kishore kadiyala [Fri, 1 Oct 2010 23:35:28 +0000 (16:35 -0700)]
omap4 hsmmc: Register offset handling

In OMAP4, as per new PM programming model, the legacy registers
which were there in OMAP3 are all shifted by 0x100 while new one's
are added from offset 0 to 0x10.
For OMAP4, the register offset appending of 0x100 done in devices.c
currently, is moved to driver file.This change fits in for current
implementation as well as once the driver undergoes hwmod adaptation.

Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Madhusudhan Chikkature <madhu.cr@ti.com>
Cc: Adrian Hunter <adrian.hunter@nokia.com>
Cc: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Kishore Kadiyala <kishore.kadiyala@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoomap4 hsmmc: Fix the init if CONFIG_MMC_OMAP_HS is not set
Benoit Cousson [Fri, 1 Oct 2010 23:35:26 +0000 (16:35 -0700)]
omap4 hsmmc: Fix the init if CONFIG_MMC_OMAP_HS is not set

Avoid possible crash if CONFIG_MMC_OMAP_HS is not set

Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Madhusudhan Chikkature <madhu.cr@ti.com>
Cc: Adrian Hunter <adrian.hunter@nokia.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Kishore Kadiyala <kishore.kadiyala@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoOMAP4 ES2: HSMMC soft reset change
Madhusudhan Chikkature [Fri, 1 Oct 2010 23:35:25 +0000 (16:35 -0700)]
OMAP4 ES2: HSMMC soft reset change

The omap4 es2 hsmmc has a updated soft reset logic.After the
reset is issued monitor a 0->1 transition first. The reset of
CMD or DATA lines is complete only after a 0->1->0 transition
of SRC or SRD bits.

Signed-off-by: Madhusudhan Chikkature <madhu.cr@ti.com>
Tested-by: Anand Gadiyar <gadiyar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoomap: pandora: enable twl4030 charger
Grazvydas Ignotas [Fri, 1 Oct 2010 23:35:25 +0000 (16:35 -0700)]
omap: pandora: enable twl4030 charger

Add platform data to make use of newly added charging driver.

Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoomap: pandora: add fixed regulator for wlan
Grazvydas Ignotas [Fri, 1 Oct 2010 23:35:25 +0000 (16:35 -0700)]
omap: pandora: add fixed regulator for wlan

Instead of enabling the wifi module explicitly using GPIO, add a fixed
regulator and hook it to MMC host card power control. This way it will
only be enabled when SDIO subsystem wants to talk to it, saving power
(as done by Zoom boards).

Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoomap2/3: Update revision identification
Sanjeev Premi [Fri, 1 Oct 2010 23:35:24 +0000 (16:35 -0700)]
omap2/3: Update revision identification

The existing definitions for cpu revision used
upper nibble in the bits[15:08]. With OMAP3630,
definitions use lower nibble.

This patch unifies the definitions to start
at lower nibble.

Signed-off-by: Sanjeev Premi <premi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoomap: Fix omap_mux_init_signal not to trash muxname
Tony Lindgren [Fri, 1 Oct 2010 23:35:24 +0000 (16:35 -0700)]
omap: Fix omap_mux_init_signal not to trash muxname

Otherwise the muxname passed to the function will get truncated.

Based on an earlier patch by rockefeller.lin@innocomm.com.

Reported-by: rockefeller.lin@innocomm.com
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoOMAP2+: Kconfig: disallow builds for boards that don't use the currently-selected SoC
Paul Walmsley [Fri, 1 Oct 2010 21:46:41 +0000 (15:46 -0600)]
OMAP2+: Kconfig: disallow builds for boards that don't use the currently-selected SoC

Currently, if, for example, CONFIG_ARCH_OMAP2420 is not selected, OMAP2420
board files can still be included in the build.  This results in link errors:

arch/arm/mach-omap2/built-in.o: In function `omap_generic_map_io':
.../arch/arm/mach-omap2/board-generic.c:51: undefined reference to `omap2_set_globals_242x'
arch/arm/mach-omap2/built-in.o: In function `omap_h4_init':
.../arch/arm/mach-omap2/board-h4.c:330: undefined reference to `omap2420_mux_init'
arch/arm/mach-omap2/built-in.o: In function `omap_h4_map_io':
.../arch/arm/mach-omap2/board-h4.c:373: undefined reference to `omap2_set_globals_242x'
arch/arm/mach-omap2/built-in.o: In function `omap_apollon_init':
.../arch/arm/mach-omap2/board-apollon.c:325: undefined reference to `omap2420_mux_init'
arch/arm/mach-omap2/built-in.o: In function `omap_apollon_map_io':
.../arch/arm/mach-omap2/board-apollon.c:353: undefined reference to `omap2_set_globals_242x'
make: *** [.tmp_vmlinux1] Error 1

Fix this by making the boards depend on the Kconfig option for the
specific SoC that they use.

Also, while here, fix the mach-omap2/board-generic.c file to remove the
dependency on OMAP2420.

Charulatha Varadarajan <charu@ti.com> caught a typo - thanks Charu.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Charulatha Varadarajan <charu@ti.com>
15 years agoOMAP: PM: Fix build when CONFIG_PM_DEBUG isn't set
Loïc Minier [Mon, 27 Sep 2010 21:04:20 +0000 (23:04 +0200)]
OMAP: PM: Fix build when CONFIG_PM_DEBUG isn't set

Since 6cdee91257bee23a46dc869ca62469b67cba2c7e the references to
enable_off_mode and sleep_while_idle can't be resolved when CONFIG_PM_DEBUG
isn't set:
arch/arm/mach-omap2/built-in.o: In function `omap_uart_restore_context':
arch/arm/mach-omap2/serial.c:253: undefined reference to `enable_off_mode'
arch/arm/mach-omap2/built-in.o: In function `omap3_can_sleep':
arch/arm/mach-omap2/pm34xx.c:479: undefined reference to `sleep_while_idle'

Simply #define these in pm.h just like omap2_pm_debug.

Signed-off-by: Loïc Minier <loic.minier@linaro.org>
[khilman: moved down into existing #ifdef section]
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
15 years agoOMAP3: CPUidle: remove redundant setting of PER next power state
Kevin Hilman [Fri, 1 Oct 2010 15:35:47 +0000 (08:35 -0700)]
OMAP3: CPUidle: remove redundant setting of PER next power state

When checking how to program the next powerstate for the PER
powerdomain, the next state of PER powerdomain was written twice.
Remove the duplicate write.

Reported-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
15 years agoMerge branch 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Fri, 1 Oct 2010 17:53:06 +0000 (10:53 -0700)]
Merge branch 'omap-fixes-for-linus' of git://git./linux/kernel/git/tmlind/linux-omap-2.6

* 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6:
  omap: McBSP: tx_irq_completion used in rx_irq_handler
  omap: Fix compile dependency to LEDS_CLASS

15 years agoreiserfs: fix unwanted reiserfs lock recursion
Frederic Weisbecker [Thu, 30 Sep 2010 22:15:38 +0000 (15:15 -0700)]
reiserfs: fix unwanted reiserfs lock recursion

Prevent from recursively locking the reiserfs lock in reiserfs_unpack()
because we may call journal_begin() that requires the lock to be taken
only once, otherwise it won't be able to release the lock while taking
other mutexes, ending up in inverted dependencies between the journal
mutex and the reiserfs lock for example.

This fixes:

  =======================================================
  [ INFO: possible circular locking dependency detected ]
  2.6.35.4.4a #3
  -------------------------------------------------------
  lilo/1620 is trying to acquire lock:
   (&journal->j_mutex){+.+...}, at: [<d0325bff>] do_journal_begin_r+0x7f/0x340 [reiserfs]

  but task is already holding lock:
   (&REISERFS_SB(s)->lock){+.+.+.}, at: [<d032a278>] reiserfs_write_lock+0x28/0x40 [reiserfs]

  which lock already depends on the new lock.

  the existing dependency chain (in reverse order) is:

  -> #1 (&REISERFS_SB(s)->lock){+.+.+.}:
         [<c10562b7>] lock_acquire+0x67/0x80
         [<c12facad>] __mutex_lock_common+0x4d/0x410
         [<c12fb0c8>] mutex_lock_nested+0x18/0x20
         [<d032a278>] reiserfs_write_lock+0x28/0x40 [reiserfs]
         [<d0325c06>] do_journal_begin_r+0x86/0x340 [reiserfs]
         [<d0325f77>] journal_begin+0x77/0x140 [reiserfs]
         [<d0315be4>] reiserfs_remount+0x224/0x530 [reiserfs]
         [<c10b6a20>] do_remount_sb+0x60/0x110
         [<c10cee25>] do_mount+0x625/0x790
         [<c10cf014>] sys_mount+0x84/0xb0
         [<c12fca3d>] syscall_call+0x7/0xb

  -> #0 (&journal->j_mutex){+.+...}:
         [<c10560f6>] __lock_acquire+0x1026/0x1180
         [<c10562b7>] lock_acquire+0x67/0x80
         [<c12facad>] __mutex_lock_common+0x4d/0x410
         [<c12fb0c8>] mutex_lock_nested+0x18/0x20
         [<d0325bff>] do_journal_begin_r+0x7f/0x340 [reiserfs]
         [<d0325f77>] journal_begin+0x77/0x140 [reiserfs]
         [<d0326271>] reiserfs_persistent_transaction+0x41/0x90 [reiserfs]
         [<d030d06c>] reiserfs_get_block+0x22c/0x1530 [reiserfs]
         [<c10db9db>] __block_prepare_write+0x1bb/0x3a0
         [<c10dbbe6>] block_prepare_write+0x26/0x40
         [<d030b738>] reiserfs_prepare_write+0x88/0x170 [reiserfs]
         [<d03294d6>] reiserfs_unpack+0xe6/0x120 [reiserfs]
         [<d0329782>] reiserfs_ioctl+0x272/0x320 [reiserfs]
         [<c10c3188>] vfs_ioctl+0x28/0xa0
         [<c10c3bbd>] do_vfs_ioctl+0x32d/0x5c0
         [<c10c3eb3>] sys_ioctl+0x63/0x70
         [<c12fca3d>] syscall_call+0x7/0xb

  other info that might help us debug this:

  2 locks held by lilo/1620:
   #0:  (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<d032945a>] reiserfs_unpack+0x6a/0x120 [reiserfs]
   #1:  (&REISERFS_SB(s)->lock){+.+.+.}, at: [<d032a278>] reiserfs_write_lock+0x28/0x40 [reiserfs]

  stack backtrace:
  Pid: 1620, comm: lilo Not tainted 2.6.35.4.4a #3
  Call Trace:
   [<c10560f6>] __lock_acquire+0x1026/0x1180
   [<c10562b7>] lock_acquire+0x67/0x80
   [<c12facad>] __mutex_lock_common+0x4d/0x410
   [<c12fb0c8>] mutex_lock_nested+0x18/0x20
   [<d0325bff>] do_journal_begin_r+0x7f/0x340 [reiserfs]
   [<d0325f77>] journal_begin+0x77/0x140 [reiserfs]
   [<d0326271>] reiserfs_persistent_transaction+0x41/0x90 [reiserfs]
   [<d030d06c>] reiserfs_get_block+0x22c/0x1530 [reiserfs]
   [<c10db9db>] __block_prepare_write+0x1bb/0x3a0
   [<c10dbbe6>] block_prepare_write+0x26/0x40
   [<d030b738>] reiserfs_prepare_write+0x88/0x170 [reiserfs]
   [<d03294d6>] reiserfs_unpack+0xe6/0x120 [reiserfs]
   [<d0329782>] reiserfs_ioctl+0x272/0x320 [reiserfs]
   [<c10c3188>] vfs_ioctl+0x28/0xa0
   [<c10c3bbd>] do_vfs_ioctl+0x32d/0x5c0
   [<c10c3eb3>] sys_ioctl+0x63/0x70
   [<c12fca3d>] syscall_call+0x7/0xb

Reported-by: Jarek Poplawski <jarkao2@gmail.com>
Tested-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jeff Mahoney <jeffm@suse.com>
Cc: All since 2.6.32 <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoreiserfs: fix dependency inversion between inode and reiserfs mutexes
Frederic Weisbecker [Thu, 30 Sep 2010 22:15:37 +0000 (15:15 -0700)]
reiserfs: fix dependency inversion between inode and reiserfs mutexes

The reiserfs mutex already depends on the inode mutex, so we can't lock
the inode mutex in reiserfs_unpack() without using the safe locking API,
because reiserfs_unpack() is always called with the reiserfs mutex locked.

This fixes:

  =======================================================
  [ INFO: possible circular locking dependency detected ]
  2.6.35c #13
  -------------------------------------------------------
  lilo/1606 is trying to acquire lock:
   (&sb->s_type->i_mutex_key#8){+.+.+.}, at: [<d0329450>] reiserfs_unpack+0x60/0x110 [reiserfs]

  but task is already holding lock:
   (&REISERFS_SB(s)->lock){+.+.+.}, at: [<d032a268>] reiserfs_write_lock+0x28/0x40 [reiserfs]

  which lock already depends on the new lock.

  the existing dependency chain (in reverse order) is:

  -> #1 (&REISERFS_SB(s)->lock){+.+.+.}:
         [<c1056347>] lock_acquire+0x67/0x80
         [<c12f083d>] __mutex_lock_common+0x4d/0x410
         [<c12f0c58>] mutex_lock_nested+0x18/0x20
         [<d032a268>] reiserfs_write_lock+0x28/0x40 [reiserfs]
         [<d0329e9a>] reiserfs_lookup_privroot+0x2a/0x90 [reiserfs]
         [<d0316b81>] reiserfs_fill_super+0x941/0xe60 [reiserfs]
         [<c10b7d17>] get_sb_bdev+0x117/0x170
         [<d0313e21>] get_super_block+0x21/0x30 [reiserfs]
         [<c10b74ba>] vfs_kern_mount+0x6a/0x1b0
         [<c10b7659>] do_kern_mount+0x39/0xe0
         [<c10cebe0>] do_mount+0x340/0x790
         [<c10cf0b4>] sys_mount+0x84/0xb0
         [<c12f25cd>] syscall_call+0x7/0xb

  -> #0 (&sb->s_type->i_mutex_key#8){+.+.+.}:
         [<c1056186>] __lock_acquire+0x1026/0x1180
         [<c1056347>] lock_acquire+0x67/0x80
         [<c12f083d>] __mutex_lock_common+0x4d/0x410
         [<c12f0c58>] mutex_lock_nested+0x18/0x20
         [<d0329450>] reiserfs_unpack+0x60/0x110 [reiserfs]
         [<d0329772>] reiserfs_ioctl+0x272/0x320 [reiserfs]
         [<c10c3228>] vfs_ioctl+0x28/0xa0
         [<c10c3c5d>] do_vfs_ioctl+0x32d/0x5c0
         [<c10c3f53>] sys_ioctl+0x63/0x70
         [<c12f25cd>] syscall_call+0x7/0xb

  other info that might help us debug this:

  1 lock held by lilo/1606:
   #0:  (&REISERFS_SB(s)->lock){+.+.+.}, at: [<d032a268>] reiserfs_write_lock+0x28/0x40 [reiserfs]

  stack backtrace:
  Pid: 1606, comm: lilo Not tainted 2.6.35c #13
  Call Trace:
   [<c1056186>] __lock_acquire+0x1026/0x1180
   [<c1056347>] lock_acquire+0x67/0x80
   [<c12f083d>] __mutex_lock_common+0x4d/0x410
   [<c12f0c58>] mutex_lock_nested+0x18/0x20
   [<d0329450>] reiserfs_unpack+0x60/0x110 [reiserfs]
   [<d0329772>] reiserfs_ioctl+0x272/0x320 [reiserfs]
   [<c10c3228>] vfs_ioctl+0x28/0xa0
   [<c10c3c5d>] do_vfs_ioctl+0x32d/0x5c0
   [<c10c3f53>] sys_ioctl+0x63/0x70
   [<c12f25cd>] syscall_call+0x7/0xb

Reported-by: Jarek Poplawski <jarkao2@gmail.com>
Tested-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jeff Mahoney <jeffm@suse.com>
Cc: <stable@kernel.org> [2.6.32 and later]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoMAINTAINERS: update maintainer for S5P ARM ARCHITECTURES
Kukjin Kim [Thu, 30 Sep 2010 22:15:35 +0000 (15:15 -0700)]
MAINTAINERS: update maintainer for S5P ARM ARCHITECTURES

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Acked-by: Ben Dooks <ben-linux@fluff.org>
Acked-by: Russell King <rmk@arm.linux.org.uk>
Cc: Kyungmin Park <kmpark@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoMAINTAINERS: update matroxfb & ncpfs status
Petr Vandrovec [Thu, 30 Sep 2010 22:15:34 +0000 (15:15 -0700)]
MAINTAINERS: update matroxfb & ncpfs status

I moved couple years ago, so let's update my email and snail mail.

And I do not have any access to Matrox hardware anymore, and I'm quite
unresponsive to matroxfb bug reports (sorry Alan), so saying that I'm
maintainer is a bit far fetched.

For ncpfs I do not use ncpfs in my daily life either, but at least I can
test that one, so I can stay listed here for odd fixes.

Signed-off-by: Petr Vandrovec <petr@vandrovec.name>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoproc: make /proc/pid/limits world readable
Jiri Olsa [Thu, 30 Sep 2010 22:15:33 +0000 (15:15 -0700)]
proc: make /proc/pid/limits world readable

Having the limits file world readable will ease the task of system
management on systems where root privileges might be restricted.

Having admin restricted with root priviledges, he/she could not check
other users process' limits.

Also it'd align with most of the /proc stat files.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Cc: Eugene Teo <eugene@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agolib/list_sort: do not pass bad pointers to cmp callback
Don Mullis [Thu, 30 Sep 2010 22:15:32 +0000 (15:15 -0700)]
lib/list_sort: do not pass bad pointers to cmp callback

If the original list is a POT in length, the first callback from line 73
will pass a==b both pointing to the original list_head.  This is dangerous
because the 'list_sort()' user can use 'container_of()' and accesses the
"containing" object, which does not necessary exist for the list head.  So
the user can access RAM which does not belong to him.  If this is a write
access, we can end up with memory corruption.

Signed-off-by: Don Mullis <don.mullis@gmail.com>
Tested-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agosys_semctl: fix kernel stack leakage
Dan Rosenberg [Thu, 30 Sep 2010 22:15:31 +0000 (15:15 -0700)]
sys_semctl: fix kernel stack leakage

The semctl syscall has several code paths that lead to the leakage of
uninitialized kernel stack memory (namely the IPC_INFO, SEM_INFO,
IPC_STAT, and SEM_STAT commands) during the use of the older, obsolete
version of the semid_ds struct.

The copy_semid_to_user() function declares a semid_ds struct on the stack
and copies it back to the user without initializing or zeroing the
"sem_base", "sem_pending", "sem_pending_last", and "undo" pointers,
allowing the leakage of 16 bytes of kernel stack memory.

The code is still reachable on 32-bit systems - when calling semctl()
newer glibc's automatically OR the IPC command with the IPC_64 flag, but
invoking the syscall directly allows users to use the older versions of
the struct.

Signed-off-by: Dan Rosenberg <dan.j.rosenberg@gmail.com>
Cc: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoi7core_edac: fix panic in udimm sysfs attributes registration
Marcin Slusarz [Thu, 30 Sep 2010 22:15:30 +0000 (15:15 -0700)]
i7core_edac: fix panic in udimm sysfs attributes registration

Array of udimm sysfs attributes was not ended with NULL marker, leading to
dereference of random memory.

  EDAC DEBUG: edac_create_mci_instance_attributes: edac_create_mci_instance_attributes() file udimm0
  EDAC DEBUG: edac_create_mci_instance_attributes: edac_create_mci_instance_attributes() file udimm1
  EDAC DEBUG: edac_create_mci_instance_attributes: edac_create_mci_instance_attributes() file udimm2
  BUG: unable to handle kernel NULL pointer dereference at 00000000000001a4
  IP: [<ffffffff81330b36>] edac_create_mci_instance_attributes+0x148/0x1f1
  Pid: 1, comm: swapper Not tainted 2.6.36-rc3-nv+ #483 P6T SE/System Product Name
  RIP: 0010:[<ffffffff81330b36>]  [<ffffffff81330b36>] edac_create_mci_instance_attributes+0x148/0x1f1
  (...)
  Call Trace:
   [<ffffffff81330b86>] edac_create_mci_instance_attributes+0x198/0x1f1
   [<ffffffff81330c9a>] edac_create_sysfs_mci_device+0xbb/0x2b2
   [<ffffffff8132f533>] edac_mc_add_mc+0x46b/0x557
   [<ffffffff81428901>] i7core_probe+0xccf/0xec0
  RIP  [<ffffffff81330b36>] edac_create_mci_instance_attributes+0x148/0x1f1
  ---[ end trace 20de320855b81d78 ]---
  Kernel panic - not syncing: Attempted to kill init!

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: Mauro Carvalho Chehab <mchehab@redhat.com>
Acked-by: Doug Thompson <dougthompson@xmission.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agodrivers/serial/mrst_max3110.c needs linux/irq.h
Andrew Morton [Thu, 30 Sep 2010 22:15:29 +0000 (15:15 -0700)]
drivers/serial/mrst_max3110.c needs linux/irq.h

sparc64 allmodconfig:

  drivers/serial/mrst_max3110.c: In function `serial_m3110_startup':
  drivers/serial/mrst_max3110.c:470: error: `IRQ_TYPE_EDGE_FALLING' undeclared (first use in this function)

Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoarch/m68k/mac/macboing.c: use unsigned long for irqflags
Andrew Morton [Thu, 30 Sep 2010 22:15:29 +0000 (15:15 -0700)]
arch/m68k/mac/macboing.c: use unsigned long for irqflags

Fix the warnings

  arch/m68k/mac/macboing.c: In function 'mac_mksound':
  arch/m68k/mac/macboing.c:189: warning: comparison of distinct pointer types lacks a cast
  arch/m68k/mac/macboing.c:211: warning: comparison of distinct pointer types lacks a cast
  arch/m68k/mac/macboing.c: In function 'mac_quadra_start_bell':
  arch/m68k/mac/macboing.c:241: warning: comparison of distinct pointer types lacks a cast
  arch/m68k/mac/macboing.c:263: warning: comparison of distinct pointer types lacks a cast
  arch/m68k/mac/macboing.c: In function 'mac_quadra_ring_bell':
  arch/m68k/mac/macboing.c:283: warning: comparison of distinct pointer types lacks a cast

Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agodrivers/serial/mfd.c needs slab.h
Andrew Morton [Thu, 30 Sep 2010 22:15:28 +0000 (15:15 -0700)]
drivers/serial/mfd.c needs slab.h

alpha allmodconfig:

  drivers/serial/mfd.c:144: error: implicit declaration of function 'kzalloc'
  drivers/serial/mfd.c:144: warning: assignment makes pointer from integer without a cast

Cc: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agokfifo: fix scatterlist usage
Ira W. Snyder [Thu, 30 Sep 2010 22:15:27 +0000 (15:15 -0700)]
kfifo: fix scatterlist usage

The kfifo_dma family of functions use sg_mark_end() on the last element in
their scatterlist.  This forces use of a fresh scatterlist for each DMA
operation, which makes recycling a single scatterlist impossible.

Change the behavior of the kfifo_dma functions to match the usage of the
dma_map_sg function.  This means that users must respect the returned
nents value.  The sample code is updated to reflect the change.

This bug is trivial to cause: call kfifo_dma_in_prepare() such that it
prepares a scatterlist with a single entry comprising the whole fifo.
This is the case when you map the entirety of a newly created empty fifo.
This causes the setup_sgl() function to mark the first scatterlist entry
as the end of the chain, no matter what comes after it.

Afterwards, add and remove some data from the fifo such that another call
to kfifo_dma_in_prepare() will create two scatterlist entries.  It returns
nents=2.  However, due to the previous sg_mark_end() call, sg_is_last()
will now return true for the first scatterlist element.  This causes the
sample code to print a single scatterlist element when it should print
two.

By removing the call to sg_mark_end(), we make the API as similar as
possible to the DMA mapping API.  All users are required to respect the
returned nents.

Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu>
Cc: Stefani Seibold <stefani@seibold.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoomap: Fix spotty MMC voltages
Tony Lindgren [Thu, 30 Sep 2010 18:40:56 +0000 (11:40 -0700)]
omap: Fix spotty MMC voltages

As noted by Michał Mirosław <mirqus@gmail.com>, the voltages should
cover the supported voltage range, or support only one voltage.

As all these boards are using a GPIO to enable the power, chances
are that only 3.3V cards are supported on these boards.

Reported-by: Michał Mirosław <mirqus@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoFix up more fallout form alpha signal cleanups
Linus Torvalds [Thu, 30 Sep 2010 15:37:38 +0000 (08:37 -0700)]
Fix up more fallout form alpha signal cleanups

Commit c52c2ddc1dfa ("alpha: switch osf_sigprocmask() to use of
sigprocmask()") had several problems.  The more obvious compile issues
got fixed in commit 0f44fbd297e1 ("alpha: fix compile problem in
arch/alpha/kernel/signal.c"), but it also caused a regression.

Since _BLOCKABLE is already the set of signals that can be blocked, the
code should do "newmask & _BLOCKABLE" rather than inverting _BLOCKABLE
before masking.

Reported-by: Michael Cree <mcree@orcon.net.nz>
Patch-by: Al Viro <viro@zeniv.linux.org.uk>
Patch-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoMerge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2
Linus Torvalds [Thu, 30 Sep 2010 03:38:07 +0000 (20:38 -0700)]
Merge branch 'fixes' of git://git./linux/kernel/git/jlbec/ocfs2

* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2:
  ocfs2: Don't walk off the end of fast symlinks.

15 years agoMerge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx
Linus Torvalds [Thu, 30 Sep 2010 01:41:19 +0000 (18:41 -0700)]
Merge branch 'fixes' of git://git./linux/kernel/git/djbw/async_tx

* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx:
  dmaengine: fix interrupt clearing for mv_xor
  missing inline keyword for static function in linux/dmaengine.h
  dma/shdma: move dereference below the NULL check

15 years agoocfs2: Don't walk off the end of fast symlinks.
Joel Becker [Thu, 30 Sep 2010 00:33:05 +0000 (17:33 -0700)]
ocfs2: Don't walk off the end of fast symlinks.

ocfs2 fast symlinks are NUL terminated strings stored inline in the
inode data area.  However, disk corruption or a local attacker could, in
theory, remove that NUL.  Because we're using strlen() (my fault,
introduced in a731d1 when removing vfs_follow_link()), we could walk off
the end of that string.

Signed-off-by: Joel Becker <joel.becker@oracle.com>
Cc: stable@kernel.org
15 years agoOMAP3: Keypad: Fix incorrect type initializer
G, Manjunath Kondaiah [Tue, 21 Sep 2010 10:01:20 +0000 (10:01 +0000)]
OMAP3: Keypad: Fix incorrect type initializer

The keypad matrix variable declaration is not matching
with structure variable keymap declared in keypad_matrix.h.

Due to this, following sparse warnings are generated with omap3_defconfig.

arch/arm/mach-omap2/board-devkit8000.c:223:14: warning: incorrect type in initializer (different signedness)
arch/arm/mach-omap2/board-devkit8000.c:223:14:    expected unsigned int const [usertype] *keymap
arch/arm/mach-omap2/board-devkit8000.c:223:14:    got int static [toplevel] *<noident>

arch/arm/mach-omap2/board-ldp.c:107:14: warning: incorrect type in initializer (different signedness)
arch/arm/mach-omap2/board-ldp.c:107:14:    expected unsigned int const [usertype] *keymap
arch/arm/mach-omap2/board-ldp.c:107:14:    got int static [toplevel] *<noident>

arch/arm/mach-omap2/board-omap3evm.c:472:14: warning: incorrect type in initializer (different signedness)
arch/arm/mach-omap2/board-omap3evm.c:472:14:    expected unsigned int const [usertype] *keymap
arch/arm/mach-omap2/board-omap3evm.c:472:14:    got int static [toplevel] *<noident>

arch/arm/mach-omap2/board-3430sdp.c:114:14: warning: incorrect type in initializer (different signedness)
arch/arm/mach-omap2/board-3430sdp.c:114:14:    expected unsigned int const [usertype] *keymap
arch/arm/mach-omap2/board-3430sdp.c:114:14:    got int static [toplevel] *<noident>

arch/arm/mach-omap2/board-rx51-peripherals.c:248:14: warning: incorrect type in initializer (different signedness)
arch/arm/mach-omap2/board-rx51-peripherals.c:248:14:    expected unsigned int const [usertype] *keymap
arch/arm/mach-omap2/board-rx51-peripherals.c:248:14:    got int static [toplevel] *<noident>

arch/arm/mach-omap2/board-zoom-peripherals.c:88:14: warning: incorrect type in initializer (different signedness)
arch/arm/mach-omap2/board-zoom-peripherals.c:88:14:    expected unsigned int const [usertype] *keymap
arch/arm/mach-omap2/board-zoom-peripherals.c:88:14:    got int static [toplevel] *<noident>

arch/arm/mach-omap2/board-cm-t35.c:568:14: warning: incorrect type in initializer (different signedness)
arch/arm/mach-omap2/board-cm-t35.c:568:14:    expected unsigned int const [usertype] *keymap
arch/arm/mach-omap2/board-cm-t35.c:568:14:    got int static [toplevel] *<noident>

arch/arm/mach-omap2/board-omap3stalker.c:415:13: warning: incorrect type in initializer (different signedness)
arch/arm/mach-omap2/board-omap3stalker.c:415:13:    expected unsigned int const [usertype] *keymap
arch/arm/mach-omap2/board-omap3stalker.c:415:13:    got int static [toplevel] *<noident>

This patch modifies the variable keymap declaration as per declaration in matrix_keymap structure.

Signed-off-by: G, Manjunath Kondaiah <manjugk@ti.com>
Cc: linux-input@vger.kernel.org
Cc: Dmitry Torokhov <dtor@mail.ru>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Tony Lindgren <tony@atomide.com>
Cc: Nishanth Menon <nm@ti.com>
15 years agoOMAP: Convert write/read functions to raw read/write
G, Manjunath Kondaiah [Wed, 29 Sep 2010 18:12:47 +0000 (23:42 +0530)]
OMAP: Convert write/read functions to raw read/write

Following sparse warnings exists due to use of writel/w and readl/w functions.

This patch fixes the sparse warnings by converting readl/w functions usage into
__raw_readl/__raw_readw functions.

arch/arm/mach-omap2/board-omap3evm.c:77:12: warning: symbol '__v' shadows an earlier one
arch/arm/mach-omap2/board-omap3evm.c:77:12: originally declared here

arch/arm/mach-omap2/gpmc-onenand.c:49:8: warning: symbol '__v' shadows an earlier one
arch/arm/mach-omap2/gpmc-onenand.c:49:8: originally declared here
arch/arm/mach-omap2/gpmc-onenand.c:89:8: warning: symbol '__v' shadows an earlier one
arch/arm/mach-omap2/gpmc-onenand.c:89:8: originally declared here
arch/arm/mach-omap2/gpmc-onenand.c:101:8: warning: symbol '__v' shadows an earlier one
arch/arm/mach-omap2/gpmc-onenand.c:101:8: originally declared here
arch/arm/mach-omap2/gpmc-onenand.c:151:9: warning: symbol '__v' shadows an earlier one
arch/arm/mach-omap2/gpmc-onenand.c:151:9: originally declared here

arch/arm/plat-omap/dmtimer.c:295:10: warning: symbol '__v' shadows an earlier one
arch/arm/plat-omap/dmtimer.c:295:10: originally declared here
arch/arm/plat-omap/dmtimer.c:298:9: warning: symbol '__v' shadows an earlier one
arch/arm/plat-omap/dmtimer.c:298:9: originally declared here
arch/arm/plat-omap/dmtimer.c:311:10: warning: symbol '__v' shadows an earlier one
arch/arm/plat-omap/dmtimer.c:311:10: originally declared here

Signed-off-by: G, Manjunath Kondaiah <manjugk@ti.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-mtd@lists.infradead.org
15 years agoOMAP: plat-omap: Fix static function warnings
G, Manjunath Kondaiah [Tue, 28 Sep 2010 02:51:53 +0000 (08:21 +0530)]
OMAP: plat-omap: Fix static function warnings

This patch fixes sparse warnings due non declarations of static functions.

arch/arm/plat-omap/sram.c:130:13: warning: symbol 'omap_detect_sram' was not declared. Should it be static?
arch/arm/plat-omap/sram.c:216:13: warning: symbol 'omap_map_sram' was not declared. Should it be static?
arch/arm/plat-omap/sram.c:450:12: warning: symbol 'omap_sram_init' was not declared. Should it be static?
arch/arm/plat-omap/sram.c:348:12: warning: symbol 'omap242x_sram_init' was not declared. Should it be static?
arch/arm/plat-omap/sram.c:369:12: warning: symbol 'omap243x_sram_init' was not declared. Should it be static?
arch/arm/plat-omap/sram.c:425:12: warning: symbol 'omap34xx_sram_init' was not declared. Should it be static?
arch/arm/plat-omap/sram.c:441:12: warning: symbol 'omap44xx_sram_init' was not declared. Should it be static

arch/arm/plat-omap/mcbsp.c:36:6: warning: symbol 'omap_mcbsp_write' was not declared. Should it be static?
arch/arm/plat-omap/mcbsp.c:50:5: warning: symbol 'omap_mcbsp_read' was not declared. Should it be static?
arch/arm/plat-omap/mcbsp.c:65:6: warning: symbol 'omap_mcbsp_st_write' was not declared. Should it be static?
arch/arm/plat-omap/mcbsp.c:70:5: warning: symbol 'omap_mcbsp_st_read' was not declared. Should it be static?
arch/arm/plat-omap/mcbsp.c:1648:15: warning: symbol 'omap_st_add' was not declared. Should it be static?

arch/arm/plat-omap/fb.c:414:15: warning: symbol 'omapfb_reserve_sram' was not declared. Should it be static?
arch/arm/plat-omap/cpu-omap.c:43:5: warning: symbol 'omap_verify_speed' was not declared. Should it be static?
arch/arm/plat-omap/cpu-omap.c:61:14: warning: symbol 'omap_getspeed' was not declared. Should it be static?

Signed-off-by: G, Manjunath Kondaiah <manjugk@ti.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Tony Lindgren <tony@atomide.com>
Cc: Nishanth Menon <nm@ti.com>
15 years agoOMAP: mach-omap2: Fix miscellaneous sparse warnings
G, Manjunath Kondaiah [Tue, 21 Sep 2010 10:01:14 +0000 (10:01 +0000)]
OMAP: mach-omap2: Fix miscellaneous sparse warnings

This patch fixes miscellaneous sparse warnings in mach-omap2.

arch/arm/mach-omap2/board-am3517evm.c:141:17: warning: Initializer entry defined twice
arch/arm/mach-omap2/board-am3517evm.c:142:18:   also defined here

arch/arm/mach-omap2/irq.c:50:35: warning: Using plain integer as NULL pointer

Signed-off-by: G, Manjunath Kondaiah <manjugk@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Nishanth Menon <nm@ti.com>
15 years agoOMAP2plus: Fix static function warnings
G, Manjunath Kondaiah [Wed, 29 Sep 2010 23:27:35 +0000 (04:57 +0530)]
OMAP2plus: Fix static function warnings

This patch fixes sparse warnings due non declarations of static functions.

arch/arm/mach-omap2/timer-gp.c:115:12: warning: symbol 'omap2_gp_clockevent_set_gptimer' was not declared. Should it be static?
arch/arm/mach-omap2/powerdomain.c:993:5: warning: symbol 'pwrdm_set_lowpwrstchange' was not declared. Should it be static?
arch/arm/mach-omap2/board-flash.c:141:8: warning: symbol 'board_nand_init' was not declared. Should it be static?
arch/arm/mach-omap2/board-n8x0.c:416:6: warning: symbol 'n8x0_mmc_slot1_cover_handler' was not declared. Should it be static?
arch/arm/mach-omap2/board-n8x0.c:544:13: warning: symbol 'n8x0_mmc_init' was not declared. Should it be static?
arch/arm/mach-omap2/board-rx51-peripherals.c:902:13: warning: symbol 'rx51_peripherals_init' was not declared. Should it be static?
arch/arm/mach-omap2/board-rx51-video.c:107:13: warning: symbol 'rx51_video_mem_init' was not declared. Should it be static?
arch/arm/mach-omap2/board-zoom-debugboard.c:155:12: warning: symbol 'zoom_debugboard_init' was not declared. Should it be static?
arch/arm/mach-omap2/board-zoom-peripherals.c:280:13: warning: symbol 'zoom_peripherals_init' was not declared. Should it be static?
arch/arm/mach-omap2/board-igep0020.c:110:13: warning: symbol 'igep2_flash_init' was not declared. Should it be static?
arch/arm/mach-omap2/board-am3517evm.c:109:6: warning: symbol 'am3517_evm_ethernet_init' was not declared. Should it be static?
drivers/mtd/onenand/omap2.c:577:5: warning: symbol 'omap2_onenand_rephase' was not declared. Should it be static?

Signed-off-by: G, Manjunath Kondaiah <manjugk@ti.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Tony Lindgren <tony@atomide.com>
Cc: Nishanth Menon <nm@ti.com>
15 years agoOMAP: mach-omap2: Fix static declaration warnings
G, Manjunath Kondaiah [Tue, 21 Sep 2010 10:01:12 +0000 (10:01 +0000)]
OMAP: mach-omap2: Fix static declaration warnings

This patch fixes sparse warnings due to non declaration of
static structures and variables.

Sparse warning logs fixed:
arch/arm/mach-omap2/control.c:88:6: warning: symbol 'omap3_secure_ram_storage' was not declared. Should it be static?
n
arch/arm/mach-omap2/timer-gp.c:50:22: warning: symbol 'gptimer_wakeup' was not declared. Should it be static?
arch/arm/mach-omap2/timer-gp.c:240:18: warning: symbol 'omap_timer' was not declared. Should it be static?
arch/arm/mach-omap2/prcm.c:121:24: warning: symbol 'prcm_context' was not declared. Should it be static?
arch/arm/mach-omap2/mux2420.c:510:29: warning: symbol 'omap2420_pop_ball' was not declared. Should it be static?
arch/arm/mach-omap2/mux2430.c:589:29: warning: symbol 'omap2430_pop_ball' was not declared. Should it be static?
arch/arm/mach-omap2/mux34xx.c:934:28: warning: symbol 'omap3_cus_subset' was not declared. Should it be static?
arch/arm/mach-omap2/mux34xx.c:1080:29: warning: symbol 'omap3_cus_ball' was not declared. Should it be static?
arch/arm/mach-omap2/mux34xx.c:1272:28: warning: symbol 'omap3_cbb_subset' was not declared. Should it be static?
arch/arm/mach-omap2/mux34xx.c:1393:29: warning: symbol 'omap3_cbb_ball' was not declared. Should it be static?
arch/arm/mach-omap2/mux34xx.c:1603:28: warning: symbol 'omap36xx_cbp_subset' was not declared. Should it be static?
arch/arm/mach-omap2/mux34xx.c:1821:29: warning: symbol 'omap36xx_cbp_ball' was not declared. Should it be static?
arch/arm/mach-omap2/pm-debug.c:165:15: warning: symbol 'pm_dbg_dir' was not declared. Should it be static?
arch/arm/mach-omap2/board-omap3evm.c:587:30: warning: symbol 'ads7846_config' was not declared. Should it be static?
arch/arm/mach-omap2/board-omap3evm.c:606:23: warning: symbol 'omap3evm_spi_board_info' was not declared. Should it be static?
arch/arm/mach-omap2/board-rx51-sdram.c:46:25: warning: symbol 'rx51_sdrc_params' was not declared. Should it be static?
arch/arm/mach-omap2/board-rx51-sdram.c:211:25: warning: symbol 'rx51_get_sdram_timings' was not declared. Should it be static?
arch/arm/mach-omap2/board-omap3touchbook.c:64:15: warning: symbol 'touchbook_revision' was not declared. Should it be static?
arch/arm/mach-omap2/board-am3517evm.c:350:24: warning: symbol 'am3517_evm_dss_device' was not declared. Should it be static?
arch/arm/mach-omap2/board-omap3stalker.c:567:23: warning: symbol 'omap3stalker_spi_board_info' was not declared. Should it be static?

Signed-off-by: G, Manjunath Kondaiah <manjugk@ti.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Tony Lindgren <tony@atomide.com>
Cc: Nishanth Menon <nm@ti.com>
15 years agoOMAP: mach-omap2: Fix incorrect assignment warnings
G, Manjunath Kondaiah [Tue, 21 Sep 2010 10:01:11 +0000 (10:01 +0000)]
OMAP: mach-omap2: Fix incorrect assignment warnings

This patch fixes below sparse warnings for incorrect assignments.

arch/arm/mach-omap2/control.c:195:16: warning: incorrect type in assignment (different address spaces)
arch/arm/mach-omap2/control.c:195:16:    expected unsigned int [usertype] *v_addr
arch/arm/mach-omap2/control.c:195:16:    got void [noderef] <asn:2>*<noident>
arch/arm/mach-omap2/control.c:199:25: warning: incorrect type in argument 1 (different address spaces)
arch/arm/mach-omap2/control.c:199:25:    expected void const volatile [noderef] <asn:2>*<noident>
arch/arm/mach-omap2/control.c:199:25:    got unsigned int [usertype] *
arch/arm/mach-omap2/control.c:320:28: warning: incorrect type in assignment (different address spaces)
arch/arm/mach-omap2/control.c:320:28:    expected void *[noderef] <asn:2>scratchpad_address
arch/arm/mach-omap2/control.c:320:28:    got void [noderef] <asn:2>*<noident>
arch/arm/mach-omap2/control.c:321:9: warning: incorrect type in argument 1 (different address spaces)
arch/arm/mach-omap2/control.c:321:9:    expected void volatile [noderef] <asn:2>*<noident>
arch/arm/mach-omap2/control.c:321:9:    got void *[noderef] <asn:2>scratchpad_address
arch/arm/mach-omap2/control.c:324:9: warning: incorrect type in argument 1 (different address spaces)
arch/arm/mach-omap2/control.c:324:9:    expected void volatile [noderef] <asn:2>*<noident>
arch/arm/mach-omap2/control.c:324:9:    got void *
arch/arm/mach-omap2/control.c:327:9: warning: incorrect type in argument 1 (different address spaces)
arch/arm/mach-omap2/control.c:327:9:    expected void volatile [noderef] <asn:2>*<noident>
arch/arm/mach-omap2/control.c:327:9:    got void *
arch/arm/mach-omap2/control.c:334:9: warning: incorrect type in argument 1 (different address spaces)
arch/arm/mach-omap2/control.c:334:9:    expected void volatile [noderef] <asn:2>*<noident>
arch/arm/mach-omap2/control.c:334:9:    got void *
arch/arm/mach-omap2/control.c:321:9: warning: dereference of noderef expression
arch/arm/mach-omap2/control.c:324:9: warning: dereference of noderef expression
arch/arm/mach-omap2/control.c:327:9: warning: dereference of noderef expression
arch/arm/mach-omap2/control.c:334:9: warning: dereference of noderef expression

arch/arm/mach-omap2/pm34xx.c:323:28: warning: incorrect type in assignment (different address spaces)
arch/arm/mach-omap2/pm34xx.c:323:28:    expected unsigned int [usertype] *scratchpad_address
arch/arm/mach-omap2/pm34xx.c:323:28:    got void [noderef] <asn:2>*<noident>
arch/arm/mach-omap2/pm34xx.c:326:26: warning: incorrect type in argument 1 (different address spaces)
arch/arm/mach-omap2/pm34xx.c:326:26:    expected void const volatile [noderef] <asn:2>*<noident>
arch/arm/mach-omap2/pm34xx.c:326:26:    got unsigned int [usertype] *
arch/arm/mach-omap2/pm34xx.c:329:26: warning: incorrect type in argument 1 (different address spaces)
arch/arm/mach-omap2/pm34xx.c:329:26:    expected void const volatile [noderef] <asn:2>*<noident>
arch/arm/mach-omap2/pm34xx.c:329:26:    got unsigned int [usertype] *
arch/arm/mach-omap2/pm34xx.c:334:29: warning: incorrect type in argument 1 (different address spaces)
arch/arm/mach-omap2/pm34xx.c:334:29:    expected void const volatile [noderef] <asn:2>*<noident>
arch/arm/mach-omap2/pm34xx.c:334:29:    got unsigned int [usertype] *

Signed-off-by: G, Manjunath Kondaiah <manjugk@ti.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Tony Lindgren <tony@atomide.com>
Cc: Nishanth Menon <nm@ti.com>
15 years agoMerge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
Linus Torvalds [Wed, 29 Sep 2010 21:58:11 +0000 (14:58 -0700)]
Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs

* 'for-linus' of git://oss.sgi.com/xfs/xfs:
  xfs: force background CIL push under sustained load

15 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
Linus Torvalds [Wed, 29 Sep 2010 21:57:53 +0000 (14:57 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/sameo/mfd-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6:
  mfd: Fix max8925 irq control bit incorrect setting
  mfd: Ignore non-GPIO IRQs when setting wm831x IRQ types

15 years agofix OMAP2 MTD build failure
Daniel J Blueman [Wed, 29 Sep 2010 20:01:55 +0000 (21:01 +0100)]
fix OMAP2 MTD build failure

Fix build failure from recent interface change and merge.

Tested on OMAP3430.

Signed-off-by: Daniel J Blueman <daniel.blueman@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoOMAP2+: defconfig: disable CPUfreq
Kevin Hilman [Tue, 28 Sep 2010 19:07:28 +0000 (19:07 +0000)]
OMAP2+: defconfig: disable CPUfreq

Disable CPUfreq since

1) is not yet supported in mainline, and
2) the current driver fails to suspend properly

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoOMAP2+: defconfig: modularize bluetooth, audio and WLAN
Kevin Hilman [Tue, 28 Sep 2010 19:07:29 +0000 (19:07 +0000)]
OMAP2+: defconfig: modularize bluetooth, audio and WLAN

In working towards a smaller default kernel, only devices used for
early boot should be built in.  Toward that end, build the following
as modules by default:

- bluetooth
- audio: ALSA, ASoC
- WLAN

Uncompressed kernel size comparison:

Before:
   text    data     bss     dec     hex filename
6557576  465088 5616024 12638688  c0d9e0 vmlinux

After:
   text    data     bss     dec     hex filename
5616572  436448 5610800 11663820  b1f9cc vmlinux

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoxfs: force background CIL push under sustained load
Dave Chinner [Fri, 24 Sep 2010 08:13:44 +0000 (18:13 +1000)]
xfs: force background CIL push under sustained load

I have been seeing occasional pauses in transaction throughput up to
30s long under heavy parallel workloads. The only notable thing was
that the xfsaild was trying to be active during the pauses, but
making no progress. It was running exactly 20 times a second (on the
50ms no-progress backoff), and the number of pushbuf events was
constant across this time as well.  IOWs, the xfsaild appeared to be
stuck on buffers that it could not push out.

Further investigation indicated that it was trying to push out inode
buffers that were pinned and/or locked. The xfsbufd was also getting
woken at the same frequency (by the xfsaild, no doubt) to push out
delayed write buffers. The xfsbufd was not making any progress
because all the buffers in the delwri queue were pinned. This scan-
and-make-no-progress dance went one in the trace for some seconds,
before the xfssyncd came along an issued a log force, and then
things started going again.

However, I noticed something strange about the log force - there
were way too many IO's issued. 516 log buffers were written, to be
exact. That added up to 129MB of log IO, which got me very
interested because it's almost exactly 25% of the size of the log.
He delayed logging code is suppose to aggregate the minimum of 25%
of the log or 8MB worth of changes before flushing. That's what
really puzzled me - why did a log force write 129MB instead of only
8MB?

Essentially what has happened is that no CIL pushes had occurred
since the previous tail push which cleared out 25% of the log space.
That caused all the new transactions to block because there wasn't
log space for them, but they kick the xfsaild to push the tail.
However, the xfsaild was not making progress because there were
buffers it could not lock and flush, and the xfsbufd could not flush
them because they were pinned. As a result, both the xfsaild and the
xfsbufd could not move the tail of the log forward without the CIL
first committing.

The cause of the problem was that the background CIL push, which
should happen when 8MB of aggregated changes have been committed, is
being held off by the concurrent transaction commit load. The
background push does a down_write_trylock() which will fail if there
is a concurrent transaction commit holding the push lock in read
mode. With 8 CPUs all doing transactions as fast as they can, there
was enough concurrent transaction commits to hold off the background
push until tail-pushing could no longer free log space, and the halt
would occur.

It should be noted that there is no reason why it would halt at 25%
of log space used by a single CIL checkpoint. This bug could
definitely violate the "no transaction should be larger than half
the log" requirement and hence result in corruption if the system
crashed under heavy load. This sort of bug is exactly the reason why
delayed logging was tagged as experimental....

The fix is to start blocking background pushes once the threshold
has been exceeded. Rework the threshold calculations to keep the
amount of log space a CIL checkpoint can use to below that of the
AIL push threshold to avoid the problem completely.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Alex Elder <aelder@sgi.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
15 years agomfd: Fix max8925 irq control bit incorrect setting
Kevin Liu [Wed, 8 Sep 2010 13:44:36 +0000 (09:44 -0400)]
mfd: Fix max8925 irq control bit incorrect setting

In max8925_irq_sync_unlock(), irq control bit is set at the same time.
Zero means enabling irq, and one means disabling irq.

The original code is:
irq_chg[0] &= irq_data->enable;

It should be changed to:
irq_chg[0] &= ~irq_data->enable;

Otherwise, irq control bit is mess.

Signed-off-by: Kevin Liu <kliu5@marvell.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
15 years agomfd: Ignore non-GPIO IRQs when setting wm831x IRQ types
Mark Brown [Mon, 16 Aug 2010 19:26:51 +0000 (20:26 +0100)]
mfd: Ignore non-GPIO IRQs when setting wm831x IRQ types

The driver was originally tested with an additional patch which
made this unneeded but that patch had issuges and got lost on the
way to mainline, causing problems when the errors are reported.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Cc: stable@kernel.org
15 years agoLinux 2.6.36-rc6 v2.6.36-rc6
Linus Torvalds [Wed, 29 Sep 2010 01:01:22 +0000 (18:01 -0700)]
Linux 2.6.36-rc6

15 years agoMN10300: Handle missing sys_cacheflush() when caching disabled
David Howells [Wed, 29 Sep 2010 00:57:02 +0000 (01:57 +0100)]
MN10300: Handle missing sys_cacheflush() when caching disabled

When caching is disabled on the MN10300 arch, the sys_cacheflush()
function is removed by conditional stuff in the makefiles, but is still
referred to by the syscall table.

Provide a null version that just returns 0 when caching is disabled (or
-EINVAL if the arguments are silly).

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoalpha: fix compile problem in arch/alpha/kernel/signal.c
Linus Torvalds [Tue, 28 Sep 2010 20:26:57 +0000 (13:26 -0700)]
alpha: fix compile problem in arch/alpha/kernel/signal.c

Tssk.  Apparently Al hadn't checked commit c52c2ddc1dfa ("alpha: switch
osf_sigprocmask() to use of sigprocmask()") at all. It doesn't compile.

Fixed as per suggestions from Michael Cree.

Reported-by: Michael Cree <mcree@orcon.net.nz>
Cc: Al Viro <viro@ftp.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoMerge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzi...
Linus Torvalds [Tue, 28 Sep 2010 19:38:52 +0000 (12:38 -0700)]
Merge branch 'upstream-linus' of git://git./linux/kernel/git/jgarzik/libata-dev

* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
  ahci: fix module refcount breakage introduced by libahci split

15 years agoahci: fix module refcount breakage introduced by libahci split
Tejun Heo [Tue, 21 Sep 2010 07:25:48 +0000 (09:25 +0200)]
ahci: fix module refcount breakage introduced by libahci split

libata depends on scsi_host_template for module reference counting and
sht's should be owned by each low level driver.  During libahci split,
the sht was left with libahci.ko leaving the actual low level drivers
not reference counted.  This made ahci and ahci_platform always
unloadable even while they're being actively used.

Fix it by defining AHCI_SHT() macro in ahci.h and defining a sht for
each low level ahci driver.

stable: only applicable to 2.6.35.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Pedro Francisco <pedrogfrancisco@gmail.com>
Tested-by: Michael Tokarev <mjt@tls.msk.ru>
Cc: stable@kernel.org
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
15 years agoMerge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groec...
Linus Torvalds [Tue, 28 Sep 2010 19:13:13 +0000 (12:13 -0700)]
Merge branch 'hwmon-for-linus' of git://git./linux/kernel/git/groeck/staging

* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging:
  hwmon (coretemp): Fix build breakage if SMP is undefined

15 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes...
Linus Torvalds [Tue, 28 Sep 2010 19:02:22 +0000 (12:02 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/jbarnes/pci-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
  PCI: fix pci_resource_alignment prototype

15 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Linus Torvalds [Tue, 28 Sep 2010 19:01:26 +0000 (12:01 -0700)]
Merge git://git./linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (47 commits)
  tcp: Fix >4GB writes on 64-bit.
  net/9p: Mount only matching virtio channels
  de2104x: fix ethtool
  tproxy: check for transparent flag in ip_route_newports
  ipv6: add IPv6 to neighbour table overflow warning
  tcp: fix TSO FACK loss marking in tcp_mark_head_lost
  3c59x: fix regression from patch "Add ethtool WOL support"
  ipv6: add a missing unregister_pernet_subsys call
  s390: use free_netdev(netdev) instead of kfree()
  sgiseeq: use free_netdev(netdev) instead of kfree()
  rionet: use free_netdev(netdev) instead of kfree()
  ibm_newemac: use free_netdev(netdev) instead of kfree()
  smsc911x: Add MODULE_ALIAS()
  net: reset skb queue mapping when rx'ing over tunnel
  br2684: fix scheduling while atomic
  de2104x: fix TP link detection
  de2104x: fix power management
  de2104x: disable autonegotiation on broken hardware
  net: fix a lockdep splat
  e1000e: 82579 do not gate auto config of PHY by hardware during nominal use
  ...

15 years agoARM: OMAP3LOGIC: Added SMSC Ethernet board support
Tim Nordell [Mon, 27 Sep 2010 16:05:50 +0000 (16:05 +0000)]
ARM: OMAP3LOGIC: Added SMSC Ethernet board support

Enable SMSC911x Ethernet driver for LogicPD's OMAP
3530 LV SOM and OMAP 35x Torpedo board.

Signed-off-by: Tim Nordell <tim.nordell@logicpd.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP3LOGIC: Add generic smsc911x support when connected to GPMC
Tim Nordell [Mon, 27 Sep 2010 16:05:49 +0000 (16:05 +0000)]
ARM: OMAP3LOGIC: Add generic smsc911x support when connected to GPMC

Introduce of a generic way to setup smsc911x based Ethernet
controller connected to GPMC similar to gpmc-smc91x but without
timing setup.

Signed-off-by: Tim Nordell <tim.nordell@logicpd.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP3LOGIC: Adding SDMMC support
Tim Nordell [Mon, 27 Sep 2010 16:05:48 +0000 (16:05 +0000)]
ARM: OMAP3LOGIC: Adding SDMMC support

Add low-level initialization for hsmmc controller for
LogicPD's OMAP 3530 LV SOM and OMAP 35x Torpedo board.

Signed-off-by: Tim Nordell <tim.nordell@logicpd.com>
[tony@atomide.com: updated for the recent mmc platform init changes]
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoARM: OMAP3LOGIC: Adding LogicPD OMAP3 board support
Tim Nordell [Mon, 27 Sep 2010 16:05:47 +0000 (16:05 +0000)]
ARM: OMAP3LOGIC: Adding LogicPD OMAP3 board support

Adding support for LogicPD's OMAP 3530 LV SOM and
OMAP 35x Torpedo board.

Signed-off-by: Tim Nordell <tim.nordell@logicpd.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoarm: remove cast from void*
matt mooney [Tue, 28 Sep 2010 02:04:32 +0000 (19:04 -0700)]
arm: remove cast from void*

Unnecessary cast from void* in assignment.

Signed-off-by: matt mooney <mfm@muteddisk.com>
Acked-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agohwmon (coretemp): Fix build breakage if SMP is undefined
Guenter Roeck [Tue, 28 Sep 2010 01:01:49 +0000 (18:01 -0700)]
hwmon (coretemp): Fix build breakage if SMP is undefined

Commit e40cc4bdfd4b89813f072f72bd9c7055814d3f0f introduced
a build breakage if CONFIG_SMP is undefined. This commit
fixes the problem.

This fix is only a workaround. For a real fix, cpu_sibling_mask() should
be defined in UP include code, eg in linux/smp.h, and asm/smp.h should not be
included directly. This fix is currently not possible because asm/smp.h defines
cpu_sibling_mask() unconditionally and is included directly from many source
files.

Reported-by: Ingo Molnar <mingo@elte.hu>
Tested-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
15 years agoMerge branch 'x86/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux...
Linus Torvalds [Tue, 28 Sep 2010 04:19:27 +0000 (21:19 -0700)]
Merge branch 'x86/urgent' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'x86/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86: Avoid 'constant_test_bit()' misoptimization due to cast to non-volatile

15 years agotcp: Fix >4GB writes on 64-bit.
David S. Miller [Tue, 28 Sep 2010 03:24:54 +0000 (20:24 -0700)]
tcp: Fix >4GB writes on 64-bit.

Fixes kernel bugzilla #16603

tcp_sendmsg() truncates iov_len to an 'int' which a 4GB write to write
zero bytes, for example.

There is also the problem higher up of how verify_iovec() works.  It
wants to prevent the total length from looking like an error return
value.

However it does this using 'int', but syscalls return 'long' (and
thus signed 64-bit on 64-bit machines).  So it could trigger
false-positives on 64-bit as written.  So fix it to use 'long'.

Reported-by: Olaf Bonorden <bono@onlinehome.de>
Reported-by: Daniel Büse <dbuese@gmx.de>
Reported-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoFix pktcdvd ioctl dev_minor range check
Dan Rosenberg [Mon, 27 Sep 2010 16:30:28 +0000 (12:30 -0400)]
Fix pktcdvd ioctl dev_minor range check

The PKT_CTRL_CMD_STATUS device ioctl retrieves a pointer to a
pktcdvd_device from the global pkt_devs array.  The index into this
array is provided directly by the user and is a signed integer, so the
comparison to ensure that it falls within the bounds of this array will
fail when provided with a negative index.

This can be used to read arbitrary kernel memory or cause a crash due to
an invalid pointer dereference.  This can be exploited by users with
permission to open /dev/pktcdvd/control (on many distributions, this is
readable by group "cdrom").

Signed-off-by: Dan Rosenberg <dan.j.rosenberg@gmail.com>
[ Rather than add a cast, just make the function take the right type -Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoMN10300: Default config choice GDBSTUB_TTYSM0 should be GDBSTUB_ON_TTYSM0
David Howells [Mon, 27 Sep 2010 12:12:33 +0000 (13:12 +0100)]
MN10300: Default config choice GDBSTUB_TTYSM0 should be GDBSTUB_ON_TTYSM0

The configuration choice for the port on which the GDB stub listens has
a default of GDBSTUB_TTYSM0, but this should be GDBSTUB_ON_TTYSM0 to
match the option.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agonet/9p: Mount only matching virtio channels
Sven Eckelmann [Mon, 27 Sep 2010 22:54:44 +0000 (15:54 -0700)]
net/9p: Mount only matching virtio channels

p9_virtio_create will only compare the the channel's tag characters
against the device name till the end of the channel's tag but not till
the end of the device name. This means that if a user defines channels
with the tags foo and foobar then he would mount foo when he requested
foonot and may mount foo when he requested foobar.

Thus it is necessary to check both string lengths against each other in
case of a successful partial string match.

Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agode2104x: fix ethtool
Ondrej Zary [Mon, 27 Sep 2010 11:41:45 +0000 (11:41 +0000)]
de2104x: fix ethtool

When the interface is up, using ethtool breaks it because:
a) link is put down but media_timer interval is not shortened to NO_LINK
b) rxtx is stopped but not restarted

Also manual 10baseT-HD (and probably FD too - untested) mode does not work -
the link is forced up, packets are transmitted but nothing is received.
Changing CSR14 value to match documentation (not disabling link check) fixes this.

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Acked-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoomap3: cm-t3517: add support for TI HECC
Igor Grinberg [Tue, 21 Sep 2010 16:03:13 +0000 (16:03 +0000)]
omap3: cm-t3517: add support for TI HECC

add support for TI HECC.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoomap3: cm-t3517: add support for NAND flash
Igor Grinberg [Tue, 21 Sep 2010 16:03:12 +0000 (16:03 +0000)]
omap3: cm-t3517: add support for NAND flash

add support for NAND flash.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoomap3: cm-t3517: add support for usb host
Igor Grinberg [Tue, 21 Sep 2010 16:03:11 +0000 (16:03 +0000)]
omap3: cm-t3517: add support for usb host

add support for hsusb host ports 1, 2 and on-module usb hub.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoomap3: cm-t3517: add support for v3020 rtc
Igor Grinberg [Tue, 21 Sep 2010 16:03:10 +0000 (16:03 +0000)]
omap3: cm-t3517: add support for v3020 rtc

add support for v3020 rtc.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoomap3: Introduce CompuLab CM-T3517 module
Igor Grinberg [Tue, 21 Sep 2010 16:03:09 +0000 (16:03 +0000)]
omap3: Introduce CompuLab CM-T3517 module

Add basic suppot, enable uart and led.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
15 years agoMerge branch 'vhost-net' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
David S. Miller [Mon, 27 Sep 2010 22:04:23 +0000 (15:04 -0700)]
Merge branch 'vhost-net' of git://git./linux/kernel/git/mst/vhost

15 years agotproxy: check for transparent flag in ip_route_newports
Ulrich Weber [Mon, 27 Sep 2010 03:31:00 +0000 (03:31 +0000)]
tproxy: check for transparent flag in ip_route_newports

as done in ip_route_connect()

Signed-off-by: Ulrich Weber <uweber@astaro.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoipv6: add IPv6 to neighbour table overflow warning
Ulrich Weber [Mon, 27 Sep 2010 22:02:18 +0000 (15:02 -0700)]
ipv6: add IPv6 to neighbour table overflow warning

IPv4 and IPv6 have separate neighbour tables, so
the warning messages should be distinguishable.

[ Add a suitable message prefix on the ipv4 side as well -DaveM ]

Signed-off-by: Ulrich Weber <uweber@astaro.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agotcp: fix TSO FACK loss marking in tcp_mark_head_lost
Yuchung Cheng [Fri, 24 Sep 2010 13:22:06 +0000 (13:22 +0000)]
tcp: fix TSO FACK loss marking in tcp_mark_head_lost

When TCP uses FACK algorithm to mark lost packets in
tcp_mark_head_lost(), if the number of packets in the (TSO) skb is
greater than the number of packets that should be marked lost, TCP
incorrectly exits the loop and marks no packets lost in the skb. This
underestimates tp->lost_out and affects the recovery/retransmission.
This patch fargments the skb and marks the correct amount of packets
lost.

Signed-off-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoMerge branch 'omap4_and_sdrc_2.6.27' of git://git.pwsan.com/linux-2.6 into omap-for...
Tony Lindgren [Mon, 27 Sep 2010 20:17:13 +0000 (13:17 -0700)]
Merge branch 'omap4_and_sdrc_2.6.27' of git://git.pwsan.com/linux-2.6 into omap-for-linus

15 years agoomap3: Prevent SDRC deadlock when L3 is changing frequency
Jon Hunter [Mon, 27 Sep 2010 20:02:59 +0000 (14:02 -0600)]
omap3: Prevent SDRC deadlock when L3 is changing frequency

When changing the L3 clock frequency, the CPU is executing from internal RAM
and the SDRC clock is disabled. During this time accesses made to external
DDR are stalled. If the ARM subsystem attempts to access the DDR while the
SDRC clock is disabled this will stall the CPU until the access to the SDRC
timeouts. A timeout on the SDRC should never occur. Once a timeout occurs all
the following accesses will be aborted and the DDR is no longer accessible.

Although the code being executed in the internal RAM does not directly access
the DDR, it was found that the branch prediction logic in the CPU may cause
the CPU to prefetch code from a DDR location while the SDRC clock is disabled.
This was causing an SDRC timeout which resulted in a system hang.

This patch fixes this problem by ensuring the branch prediction logic is
disabled while changing the L3 clock frequency. The branch prediction logic
is disabled by clearing the Z-bit in the ARM CTRL register.

Disabling the branch prediction logic does not have any noticable impact
on the execution time of this code section. The hardware observability
signals were used to monitor the sdrc idle time with and without this
patch when operating at different CPU frequencies (150MHz, 500MHz and
600MHz) and the total sdrc idle time when changing frequenct was in
the range of 9-11us. This was measured on an omap3430 SDP running the
omapzoom p-android-omap-2.6.29 branch.

Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Richard Woodruff <r-woodruff2@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
15 years agoomap4: control: Fix the control module register accesses
Santosh Shilimkar [Mon, 27 Sep 2010 20:02:58 +0000 (14:02 -0600)]
omap4: control: Fix the control module register accesses

This patch has multiple fixes together. To ensure that git bisect work across
commits, all changes are clubbed together

1. Move the common control base address to control core
2. Remove the manually coeded defines and use the ones from headers.
3. Fix the the status register define in id.c for OMAP4
4. Fix all the register define in hsmmc.c
5. Use the control pad accessor API for omap4 hsmmc register accesses

Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
15 years agoomap4: control: Add the register definition headers
Santosh Shilimkar [Mon, 27 Sep 2010 20:02:58 +0000 (14:02 -0600)]
omap4: control: Add the register definition headers

On OMAP4, control module is divided into 4 separate IPs
- OMAP44XX_CTRL_MODULE_CORE
- OMAP44XX_CTRL_MODULE_PAD_CORE
- OMAP44XX_CTRL_MODULE_WKUP
- OMAP44XX_CTRL_MODULE_PAD_WKUP

This patch adds all the omap4 control module register data and
includes them in the common control.h

The register data is autogenerated from the codebase thanks
to Benoit Cousson efforts

Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
15 years agoomap4: control: Add accessor api's for pad control module
Santosh Shilimkar [Mon, 27 Sep 2010 20:02:57 +0000 (14:02 -0600)]
omap4: control: Add accessor api's for pad control module

On OMAP4 control pad are not addressable from control
core base. So the common omap_ctrl_read/write APIs breaks
Hence export separate APIs to manage the omap4 pad control
registers.

This APIs will work only for OMAP4

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
15 years agoomap4: control: Add ctrl_pad_base to omap_globals
Santosh Shilimkar [Mon, 27 Sep 2010 20:02:57 +0000 (14:02 -0600)]
omap4: control: Add ctrl_pad_base to omap_globals

On omap4 control module is divided in four IP blocks.
- CTRL_MODULE_CORE 0x4a002000
- CTRL_MODULE_PAD_CORE 0x4a100000
- CTRL_MODULE_WKUP 0x4a30c000
- CTRL_MODULE_PAD_WKUP 0x4a31e000

Addressing all the modules with single base address is not possible
considering 16 bit offsets. The mux code manages the pad core and pad
wakeup related base address inside the mux framework. For other usage
only control core and control pad bases are necessary. So this patch
maps only needed pad control base address which is used by device drivers
and infrastructure code

The main control core base is still kept same in this patch to
keep git-bisect working. This will be fixed in the relevant patch
in this series.

Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
15 years agoOMAP4: clocks: Fix ES2 clock issues
Benoit Cousson [Mon, 27 Sep 2010 20:02:56 +0000 (14:02 -0600)]
OMAP4: clocks: Fix ES2 clock issues

Fix a few OMAP4430 clock tree problems after the recent manual merge of the
various ES2 clock patches:

- usim optional clock and its parent had the same name, rename the parent
usim_fclk -> usim_ck

- OPTFCLKEN_CLK32K is not handled anymore by the USBPHYOCP2SCP module in ES2
Create a new clock that belongs to CM_ALWON_USBPHY_CLKCTRL register

This patch depends on some of the PRCM macro updates from Rajendra.

Signed-off-by: Benoit Cousson <b-cousson@ti.com>
[paul@pwsan.com: tweaked patch description]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>
15 years agoOMAP4: powerdomain: Update DSS logic state for ES2
Rajendra Nayak [Mon, 27 Sep 2010 20:02:56 +0000 (14:02 -0600)]
OMAP4: powerdomain: Update DSS logic state for ES2

DSS on ES2 supports only OSWR, hence remove the support
for CSWR from the powerdomain framework.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Benoît Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
15 years agoOMAP4: PM: Define additional registers for ES2
Rajendra Nayak [Mon, 27 Sep 2010 20:02:56 +0000 (14:02 -0600)]
OMAP4: PM: Define additional registers for ES2

4430 ES2 has a few new registers added and a few modified
from ES1. This patch adds all the register changes in PRM
and CM for OMAP4430 ES2.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Benoît Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>