GitHub/exynos8895/android_kernel_samsung_universal8895.git
12 years agoMerge branch 'fixes-non-critical-part3' of git://git.kernel.org/pub/scm/linux/kernel...
Olof Johansson [Sat, 10 Mar 2012 16:56:58 +0000 (08:56 -0800)]
Merge branch 'fixes-non-critical-part3' of git://git./linux/kernel/git/tmlind/linux-omap into next/fixes-non-critical

* 'fixes-non-critical-part3' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: Fix build for omap4 only builds with missing include of linux/bug.h
  ARM: OMAP2+: Fix section warnings for hsmmc_init_one

12 years agoARM: OMAP2+: Fix build for omap4 only builds with missing include of linux/bug.h
Tony Lindgren [Thu, 8 Mar 2012 18:20:14 +0000 (10:20 -0800)]
ARM: OMAP2+: Fix build for omap4 only builds with missing include of linux/bug.h

Found few more with randconfig generated .configs:

In file included from arch/arm/mach-omap2/prm-regbits-34xx.h:17,
                 from arch/arm/mach-omap2/vc.c:18:
arch/arm/mach-omap2/prm2xxx_3xxx.h: In function ‘omap2_prm_read_mod_reg’:
arch/arm/mach-omap2/prm2xxx_3xxx.h:239: error: implicit declaration of function ‘WARN’

In file included from arch/arm/mach-omap2/powerdomain44xx.c:22:
arch/arm/mach-omap2/prm2xxx_3xxx.h: In function ‘omap2_prm_read_mod_reg’:
arch/arm/mach-omap2/prm2xxx_3xxx.h:239: error: implicit declaration of function ‘WARN’

This is because omap2_prm functions are currently just stubs for
omap4 only builds.

Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoARM: OMAP2+: Fix section warnings for hsmmc_init_one
Tony Lindgren [Thu, 8 Mar 2012 02:54:24 +0000 (18:54 -0800)]
ARM: OMAP2+: Fix section warnings for hsmmc_init_one

Otherwise we can get the following error depending on
the compiler:

WARNING: arch/arm/mach-omap2/built-in.o(.text+0xafe0):
Section mismatch in reference from the function omap_hsmmc_init_one()
to the function .init.text:omap_hsmmc_pdata_init()
The function omap_hsmmc_init_one() references
the function __init omap_hsmmc_pdata_init().
This is often because omap_hsmmc_init_one lacks a __init
annotation or the annotation of omap_hsmmc_pdata_init is wrong.

Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoARM: OMAP2+: Fix build issues with missing include of linux/bug.h
Tony Lindgren [Thu, 8 Mar 2012 01:28:01 +0000 (17:28 -0800)]
ARM: OMAP2+: Fix build issues with missing include of linux/bug.h

Otherwise we can get the following if bug.h is not included from kernel.h:

arch/arm/mach-omap2/powerdomain-common.c:
In function 'omap2_pwrdm_get_mem_bank_onstate_mask':
arch/arm/mach-omap2/powerdomain-common.c:64:3: error:
implicit declaration of function 'WARN_ON' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
12 years agoMerge branch 'fixes-non-critical-part2' of git://git.kernel.org/pub/scm/linux/kernel...
Olof Johansson [Wed, 7 Mar 2012 23:02:47 +0000 (15:02 -0800)]
Merge branch 'fixes-non-critical-part2' of git://git./linux/kernel/git/tmlind/linux-omap into next/fixes-non-critical

* 'fixes-non-critical-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP3+: PM: VP: fix integer truncation error
  ARM: OMAP2+: PM: fix wakeupgen warning when hotplug disabled
  ARM: OMAP2+: PM: fix section mismatch with omap2_init_processor_devices()
  ARM: OMAP2: Fix section warning for n8x0 when CONFIG_MMC_OMAP is not set
  ARM: OMAP2+: Fix omap24xx_io_desc warning if SoC subtypes are not selected
  ARM: OMAP1: Fix section mismatch for omap1_init_early()
  ARM: OMAP1: Fix typo in lcd_dma.c
  ARM: OMAP: mailbox: trivial whitespace fix
  ARM: OMAP: Remove definition cpu_is_omap4430()
  ARM: OMAP2+: included some headers twice
  ARM: OMAP: clock.c: included linux/debugfs.h twice
  ARM: OMAP: don't build hwspinlock in vain
  ARM: OMAP2+: ads7846_init: put gpio_pendown into pdata if it's provided
  ARM: omap: pandora: fix usbhs platform data
  ARM: OMAP: sram: Add am33xx SRAM support (minimal)
  ARM: OMAP2+: id: Add am33xx SoC type detection
  ARM: OMAP2+: GPMC: Export gpmc_enable_hwecc and gpmc_calculate_ecc
  ARM: OMAP: dmtimer: fix missing content/correction in low-power mode support

12 years agoMerge branch 'fixes-non-critical' of git://git.kernel.org/pub/scm/linux/kernel/git...
Olof Johansson [Wed, 7 Mar 2012 22:05:13 +0000 (14:05 -0800)]
Merge branch 'fixes-non-critical' of git://git./linux/kernel/git/tmlind/linux-omap into next/fixes-non-critical

* 'fixes-non-critical' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  Revert "ARM: OMAP2+: Fix multiple randconfig errors with SOC_OMAP and SOC_OMAP_NOOP"

12 years agoARM: OMAP3+: PM: VP: fix integer truncation error
Yuan Jiangli [Tue, 6 Mar 2012 18:51:12 +0000 (12:51 -0600)]
ARM: OMAP3+: PM: VP: fix integer truncation error

commit 2f34ce81b8c05c900e45bd88595cc154f7bb5957
(OMAP3: PM: Adding voltage driver support.)
introduced runtime computation of waittime to handle all potential
sys clocks available.

In the voltage processor, the SPMSUpdateWait is calculated based on
the slew rate and the voltage step (SMPSUpdateWait = slew rate *
Voltage Step). After the voltage processor receives the SMPS_Ack
signal, the Voltage Controller will wait for SMPSUpdateWait clock
cycles for the voltage to settle to the new value. For all
practical purposes, the waittime parameter is the OMAP hardware
translation of what the slew rate on the PMIC is.

As an example, with TPS62361 on OMAP4460,
step_size = 10000
slew_rate = 32000
sys_clk_rate = 38400

Our current computation results in the following:
 = ((step_size / slew_rate) * sys_clk_rate) / 1000
 = ((10000 / 32000) * 38400 / 1000
 = 0

Fix the same using DIV_ROUND_UP as an extra wait clock cycle
is better than lesser clock cycle. For the above example, this
translates to:
 = (10000 * 38400) / (1000 * 32000)
 = 12

Acked-by: Jon Hunter <jon-hunter@ti.com>
[nm@ti.com: slightly better implementation]
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Yuan Jiangli <jlyuan@motorola.com>
Acked-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoARM: OMAP2+: PM: fix wakeupgen warning when hotplug disabled
Kevin Hilman [Tue, 6 Mar 2012 20:00:25 +0000 (12:00 -0800)]
ARM: OMAP2+: PM: fix wakeupgen warning when hotplug disabled

When CONFIG_HOTPLUG_CPU=n, there are unused functions in wakeupgen:

arch/arm/mach-omap2/omap-wakeupgen.c:181: warning: 'wakeupgen_irqmask_all' defined but not used

Fix this by moving all the functions only used when CONFIG_HOTPLUG_CPU=y
together and wrapping in an #ifdef.

No functional changes.

Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoARM: OMAP2+: PM: fix section mismatch with omap2_init_processor_devices()
Kevin Hilman [Tue, 6 Mar 2012 19:38:01 +0000 (11:38 -0800)]
ARM: OMAP2+: PM: fix section mismatch with omap2_init_processor_devices()

Fix the below warning by making omap2_init_processor_devices() __init.
It is called by an __init function and calls only __init functions, so
it should also be init.

WARNING: arch/arm/mach-omap2/built-in.o(.text+0x183c): Section mismatch in reference from the function omap2_init_processor_devices() to the function .init.text:_init_omap_device()
The function omap2_init_processor_devices() references
the function __init _init_omap_device().
This is often because omap2_init_processor_devices lacks a __init
annotation or the annotation of _init_omap_device is wrong.

Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoARM: OMAP2: Fix section warning for n8x0 when CONFIG_MMC_OMAP is not set
Tony Lindgren [Tue, 6 Mar 2012 19:49:28 +0000 (11:49 -0800)]
ARM: OMAP2: Fix section warning for n8x0 when CONFIG_MMC_OMAP is not set

Otherwise we get:

arch/arm/mach-omap2/board-n8x0.c:39:12: warning:
'slot1_cover_open' defined but not used [-Wunused-variable]
arch/arm/mach-omap2/board-n8x0.c:40:12: warning:
'slot2_cover_open' defined but not used [-Wunused-variable]
arch/arm/mach-omap2/board-n8x0.c:41:23: warning:
'mmc_device' defined but not used [-Wunused-variable]

Reported-by: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoARM: OMAP2+: Fix omap24xx_io_desc warning if SoC subtypes are not selected
Tony Lindgren [Tue, 6 Mar 2012 19:49:22 +0000 (11:49 -0800)]
ARM: OMAP2+: Fix omap24xx_io_desc warning if SoC subtypes are not selected

Otherwise we get the following warning:

arch/arm/mach-omap2/io.c:53:24: warning:
'omap24xx_io_desc' defined but not used [-Wunused-variable]

Reported-by: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoMerge branch 'ux500-fixes-20120301' of git://git.kernel.org/pub/scm/linux/kernel...
Arnd Bergmann [Tue, 6 Mar 2012 15:42:54 +0000 (15:42 +0000)]
Merge branch 'ux500-fixes-20120301' of git://git./linux/kernel/git/linusw/linux-stericsson into next/fixes-non-critical

* 'ux500-fixes-20120301' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
  ARM: ux500: solve some Kconfig mess
  ARM: ux500: delete TPS6105X selection
  ARM: ux500: select CPU_FREQ_TABLE where needed
  ARM: ux500: select L2X0 cache on ux500
  ARM: ux500: add board autoselection
  ARM: ux500: U8500 depends on MMU
  ARM: ux500: included linux/gpio.h twice
  ARM: ux500: fix around AB8500 GPIO macro name
  ARM: ux500: set ARCH_NR_GPIO to 355 on U8500 platforms
  ARM: ux500: Add audio-regulators
  ARM: ux500: Add DMA-channels for MSP
  ARM: ux500: Add placeholder for clk_set_parent

12 years agoARM: OMAP1: Fix section mismatch for omap1_init_early()
Tony Lindgren [Tue, 6 Mar 2012 00:11:04 +0000 (16:11 -0800)]
ARM: OMAP1: Fix section mismatch for omap1_init_early()

Fix the following warning:

WARNING: vmlinux.o(.text+0x1286c): Section mismatch in reference
from the function omap1_init_early() to the function .init.text:omap1_clk_init()
The function omap1_init_early() references
the function __init omap1_clk_init().
This is often because omap1_init_early lacks a __init
annotation or the annotation of omap1_clk_init is wrong.

Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoARM: OMAP1: Fix typo in lcd_dma.c
Masanari Iida [Tue, 6 Mar 2012 00:11:04 +0000 (16:11 -0800)]
ARM: OMAP1: Fix typo in lcd_dma.c

Correct spelling "resulotion" to "resolution" in
arch/arm/mach-omap1/lcd_dma.c

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoARM: OMAP: mailbox: trivial whitespace fix
Felipe Contreras [Tue, 6 Mar 2012 00:11:03 +0000 (16:11 -0800)]
ARM: OMAP: mailbox: trivial whitespace fix

Trivial whitespace fix

Signed-off-by: Felipe Contreras <felipe.contreras@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoARM: OMAP: Remove definition cpu_is_omap4430()
Jon Hunter [Tue, 6 Mar 2012 00:11:03 +0000 (16:11 -0800)]
ARM: OMAP: Remove definition cpu_is_omap4430()

The definition cpu_is_omap4430() always returns 0 even when CONFIG_ARCH_OMAP4
is enabled. This macro should be removed and the macro cpu_is_omap443x() should
be used where needed for OMAP4430 devices.

Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoARM: OMAP2+: included some headers twice
Danny Kukawka [Tue, 6 Mar 2012 00:11:03 +0000 (16:11 -0800)]
ARM: OMAP2+: included some headers twice

arch/arm/mach-omap2/: included some headers tiwce:
- arch/arm/mach-omap2/board-ldp.c: 'linux/gpio.h'
- arch/arm/mach-omap2/io.c: 'common.h'
- arch/arm/mach-omap2/omap_hwmod_44xx_data.c: 'plat/i2c.h'

Remove the duplicates.

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoARM: OMAP: clock.c: included linux/debugfs.h twice
Danny Kukawka [Tue, 6 Mar 2012 00:11:03 +0000 (16:11 -0800)]
ARM: OMAP: clock.c: included linux/debugfs.h twice

arch/arm/plat-omap/clock.c: included 'linux/debugfs.h' twice,
remove the duplicate.

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoARM: OMAP: don't build hwspinlock in vain
Ohad Ben-Cohen [Tue, 6 Mar 2012 00:11:02 +0000 (16:11 -0800)]
ARM: OMAP: don't build hwspinlock in vain

Cleanup: don't build mach-omap2/hwspinlock.c if the OMAP hwspinlock
driver isn't configured.

This will both shorten build time and avoid registering a device
which isn't needed.

Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoARM: OMAP2+: ads7846_init: put gpio_pendown into pdata if it's provided
Ilya Yanok [Tue, 6 Mar 2012 00:11:02 +0000 (16:11 -0800)]
ARM: OMAP2+: ads7846_init: put gpio_pendown into pdata if it's provided

If platform data is provided by the caller gpio_pendown is put into
unused static ads7846_config structure and effectively has no effect.
Of course caller can set gpio_pendown field in platform data himself
but it seems natural to do this in ads7846_init to remove duplication.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Ilya Yanok <yanok@emcraft.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoARM: omap: pandora: fix usbhs platform data
Grazvydas Ignotas [Tue, 6 Mar 2012 00:11:02 +0000 (16:11 -0800)]
ARM: omap: pandora: fix usbhs platform data

It turned out wrong OMAP HSUSB port was configured on pandora,
but still managed to work somehow. This was noticed after enabling
in-kernel mux, where USB muxing was causing other devices not to work,
because hsusb1 pins (instead of hsusb2) were wrongly remuxed, which
are used for other things on pandora.

Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoARM: OMAP: sram: Add am33xx SRAM support (minimal)
Vaibhav Bedia [Tue, 6 Mar 2012 00:11:01 +0000 (16:11 -0800)]
ARM: OMAP: sram: Add am33xx SRAM support (minimal)

Update SRAM start & size for am33xx SoC's.

Note: cpu_is_34xx() is true for am33xx also. Doing
cpu_is_am33xx() check after cpu_is_34xx() will not
achieve what we want due to the above reason.
Hence cpu_is_am33xx() is done before cpu_is_34xx()

Signed-off-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoARM: OMAP2+: id: Add am33xx SoC type detection
Afzal Mohammed [Tue, 6 Mar 2012 00:11:01 +0000 (16:11 -0800)]
ARM: OMAP2+: id: Add am33xx SoC type detection

Determine SoC type, i.e. whether GP or HS

Note: cpu_is_34xx() is true for am33xx also. Doing
cpu_is_am33xx() check after cpu_is_34xx() will not
achieve what we want due to the above reason.
Hence cpu_is_am33xx() is done before cpu_is_34xx()

Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoARM: OMAP2+: GPMC: Export gpmc_enable_hwecc and gpmc_calculate_ecc
Bernhard Walle [Tue, 6 Mar 2012 00:11:01 +0000 (16:11 -0800)]
ARM: OMAP2+: GPMC: Export gpmc_enable_hwecc and gpmc_calculate_ecc

To be able to compile kernel/drivers/mtd/nand/omap2.ko as module, that
two symbols need to be exported. Otherwise, I get following error
message

    ERROR: "gpmc_calculate_ecc" [drivers/mtd/nand/omap2.ko] undefined!
    ERROR: "gpmc_enable_hwecc" [drivers/mtd/nand/omap2.ko] undefined!

Signed-off-by: Bernhard Walle <walle@corscience.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoARM: OMAP: dmtimer: fix missing content/correction in low-power mode support
Tarun Kanti DebBarma [Tue, 6 Mar 2012 00:11:00 +0000 (16:11 -0800)]
ARM: OMAP: dmtimer: fix missing content/correction in low-power mode support

Since omap_dm_timer_write_reg/__omap_dm_timer_write is now modified
to use timer->func_base OCP_CFG should not use this wrapper anymore.
Instead use __raw_writel() directly and use timer->io_base instead
to write to OCP_CFG.

The timer->sys_stat is valid only if timer->revision is 1. In the
context restore function make this correction.

Save the contexts and loss count when timer is stopped.
Also, disable the clock. Else, clock usecount would become imbalanced.

Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@ti.com>
Tested-by: Omar Ramirez Luna <omar.ramirez@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoRevert "ARM: OMAP2+: Fix multiple randconfig errors with SOC_OMAP and SOC_OMAP_NOOP"
Tony Lindgren [Tue, 6 Mar 2012 00:02:18 +0000 (16:02 -0800)]
Revert "ARM: OMAP2+: Fix multiple randconfig errors with SOC_OMAP and SOC_OMAP_NOOP"

This reverts commit c295fb633e321a7df3b8846c4eaddc5da3e0aaed.

This makes existing .config files bloated by selecting in all
omaps as noted by Russell King - ARM Linux <linux@arm.linux.org.uk>.

Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoMerge branch 'fixes-non-critical' of git://git.kernel.org/pub/scm/linux/kernel/git...
Arnd Bergmann [Wed, 29 Feb 2012 20:53:57 +0000 (20:53 +0000)]
Merge branch 'fixes-non-critical' of git://git./linux/kernel/git/tmlind/linux-omap into next/fixes-non-critical

* 'fixes-non-critical' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  OMAP4: dma: Correct CPU version check for dma_common_ch_end
  ARM: OMAP: Fix section mismatch warning for platform_cpu_die()
  ARM: OMAP: fix section mismatch warning for omap4_hotplug_cpu()
  ARM: OMAP: convert omap_device_build() and callers to __init
  ARM: OMAP2+: Mark omap_hsmmc_init and omap_mux related functions as __init
  ARM: OMAP2+: Fix multiple randconfig errors with SOC_OMAP and SOC_OMAP_NOOP
  ARM: OMAP: Fix devexit for dma when CONFIG_HOTPLUG is not set
  ARM: OMAP2+: Fix devexit for smartreflex when CONFIG_HOTPLUG is not set
  ARM: OMAP2+: Fix zoom LCD backlight if TWL_CORE is not selected
  ARM: OMAP2+: Fix board_mux section type conflict when OMAP_MUX is not set
  ARM: OMAP2+: Fix OMAP_HDQ_BASE build error
  ARM: OMAP2+: Fix Kconfig dependencies for USB_ARCH_HAS_EHCI
  ARM: OMAP2+: I2C: always compile I2C reset code, even if I2C driver is not built
  ARM: OMAP2+: Split omap2_hsmmc_init() to properly support I2C GPIO pins
  ARM: OMAP: omap_device: Expose omap_device_{alloc, delete, register}
  ARM: OMAP: Fix build error when mmc_omap is built as module
  ARM: OMAP: Fix kernel panic with HSMMC when twl4030_gpio is a module

12 years agoARM: ux500: solve some Kconfig mess
Linus Walleij [Wed, 29 Feb 2012 17:15:20 +0000 (18:15 +0100)]
ARM: ux500: solve some Kconfig mess

First rename the config option MACH_U8500 to MACH_MOP500
because that is what it's obviously all about, this has
confused me for the last time. Fix some whitespace in the
process.

Since the machine descriptors for HREFv60 and snowball
are clearly in the file board-mop500.c which only
compiles if MACH_MOP500 (former MACH_U8500) is set,
select this for the board variants and nothing else.

For the MOP500 variants the UIB (user interface board)
is probed using I2C so select I2C and I2C_NOMADIK so
we know that this probe will always be successful.

Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
12 years agoARM: ux500: delete TPS6105X selection
Linus Walleij [Wed, 29 Feb 2012 17:01:11 +0000 (18:01 +0100)]
ARM: ux500: delete TPS6105X selection

Having this driver selected here only cause problems, get it
out of there and selected it from menuconfig or wherever
instead. Mea culpa.

Cc: Mathieu Poirer <mathieu.poirier@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
12 years agoARM: ux500: select CPU_FREQ_TABLE where needed
Arnd Bergmann [Sat, 25 Feb 2012 19:48:53 +0000 (12:48 -0700)]
ARM: ux500: select CPU_FREQ_TABLE where needed

The ux500 platform requires CPU_FREQ_TABLE support to be enabled
for its CPU_FREQ implementations, so automatically select that
when CPU_FREQ is enabled.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
[Rebased due to missing other patches in the stack]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
12 years agoARM: ux500: select L2X0 cache on ux500
Arnd Bergmann [Sat, 25 Feb 2012 19:48:52 +0000 (12:48 -0700)]
ARM: ux500: select L2X0 cache on ux500

The cache controller needs to be enabled for the
cortex-a9 specific errata that are also selected
to work.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
12 years agoARM: ux500: add board autoselection
Arnd Bergmann [Sat, 25 Feb 2012 19:48:50 +0000 (12:48 -0700)]
ARM: ux500: add board autoselection

At least one platform needs to be selected, so pick the u8500
development board if nothing else is selected. The first
menu to choose the actual platform is meaningless and can be
made invisible.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
12 years agoARM: ux500: U8500 depends on MMU
Arnd Bergmann [Sat, 25 Feb 2012 19:48:49 +0000 (12:48 -0700)]
ARM: ux500: U8500 depends on MMU

There is no way to build  U8500 kernels without an MMU
at this point because of dependencies on MMU-only functions.

As long as nobody is interested in fixing this, let's just disable
the platforms for nommu kernels.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
12 years agoARM: ux500: included linux/gpio.h twice
Danny Kukawka [Wed, 15 Feb 2012 19:19:38 +0000 (20:19 +0100)]
ARM: ux500: included linux/gpio.h twice

arch/arm/mach-ux500/board-mop500-u8500uib.c included 'linux/gpio.h'
remove the duplicate.

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Acked-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
12 years agoARM: ux500: fix around AB8500 GPIO macro name
Philippe Langlais [Mon, 13 Feb 2012 09:52:25 +0000 (10:52 +0100)]
ARM: ux500: fix around AB8500 GPIO macro name

AB8500 GPIO1 is the base of AB8500 gpio number too.

Signed-off-by: Philippe Langlais <philippe.langlais@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
12 years agoARM: ux500: set ARCH_NR_GPIO to 355 on U8500 platforms
Philippe Langlais [Mon, 13 Feb 2012 09:51:22 +0000 (10:51 +0100)]
ARM: ux500: set ARCH_NR_GPIO to 355 on U8500 platforms

This is due to the increased number of AB8500 GPIOs.

Signed-off-by: Philippe Langlais <philippe.langlais@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
12 years agoARM: ux500: Add audio-regulators
Ola Lilja [Wed, 1 Feb 2012 13:18:10 +0000 (14:18 +0100)]
ARM: ux500: Add audio-regulators

Add regulators Vaud, Vamic1, Vamic2 and Vdmic
used by audio.

Signed-off-by: Ola Lilja <ola.o.lilja@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
12 years agoARM: ux500: Add DMA-channels for MSP
Ola Lilja [Mon, 30 Jan 2012 14:18:22 +0000 (15:18 +0100)]
ARM: ux500: Add DMA-channels for MSP

Add DMA-channels for MSP0, MSP1, MSP2 and MSP3.

Signed-off-by: Ola Lilja <ola.o.lilja@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
12 years agoARM: ux500: Add placeholder for clk_set_parent
Ola Lilja [Mon, 30 Jan 2012 14:18:14 +0000 (15:18 +0100)]
ARM: ux500: Add placeholder for clk_set_parent

Calling clk_set_parent (e.g. from Ux500 ASoC-driver) generates
build-errors.

Signed-off-by: Ola Lilja <ola.o.lilja@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
12 years agoMerge branch 'hsmmc' into fixes-non-critical
Tony Lindgren [Wed, 29 Feb 2012 00:15:06 +0000 (16:15 -0800)]
Merge branch 'hsmmc' into fixes-non-critical

12 years agoMerge branch 'randconfig' into fixes-non-critical
Tony Lindgren [Tue, 28 Feb 2012 22:43:18 +0000 (14:43 -0800)]
Merge branch 'randconfig' into fixes-non-critical

12 years agoOMAP4: dma: Correct CPU version check for dma_common_ch_end
Peter Ujfalusi [Thu, 23 Feb 2012 07:44:41 +0000 (09:44 +0200)]
OMAP4: dma: Correct CPU version check for dma_common_ch_end

CCDN is the last common channel register in all OMAP4 versions. Use
cpu_is_omap44xx() instead of the cpu_is_omap4430().
cpu_is_omap4430() returns 0 unconditionally. This causes that the
dma_common_ch_end register variable is not configured correctly on OMAP4, not
even for OMAP4430.
Because of this, registers between CCFN - CCDN will be not cleard in the
omap2_clear_dma function in OMAP4.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoARM: OMAP: Fix section mismatch warning for platform_cpu_die()
Santosh Shilimkar [Wed, 22 Feb 2012 10:40:04 +0000 (16:10 +0530)]
ARM: OMAP: Fix section mismatch warning for platform_cpu_die()

WARNING: vmlinux.o(.text+0x226d0):
Section mismatch in reference from the function
platform_cpu_die() to the function .cpuinit.text:omap4_hotplug_cpu()
The function platform_cpu_die() references
the function __cpuinit omap4_hotplug_cpu().
This is often because platform_cpu_die lacks a __cpuinit
annotation or the annotation of omap4_hotplug_cpu is wrong.

Thanks to Russell King for suggesting to use __ref instead of
the initial (and wrong) approach to use __cpuinit.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoARM: OMAP: fix section mismatch warning for omap4_hotplug_cpu()
Santosh Shilimkar [Thu, 23 Feb 2012 06:58:29 +0000 (12:28 +0530)]
ARM: OMAP: fix section mismatch warning for omap4_hotplug_cpu()

WARNING: arch/arm/mach-omap2/built-in.o(.text+0x8b80):
Section mismatch in reference from the function omap4_hotplug_cpu() to
the function .cpuinit.text:omap_secondary_startup()
The function omap4_hotplug_cpu() references
the function __cpuinit omap_secondary_startup().
This is often because omap4_hotplug_cpu lacks a __cpuinit
annotation or the annotation of omap_secondary_startup is wrong.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoMerge branch 'lpc32xx/fixes-non-critical' of git://git.antcom.de/linux-2.6 into next...
Arnd Bergmann [Mon, 27 Feb 2012 17:59:05 +0000 (17:59 +0000)]
Merge branch 'lpc32xx/fixes-non-critical' of git://git.antcom.de/linux-2.6 into next/fixes-non-critical

* 'lpc32xx/fixes-non-critical' of git://git.antcom.de/linux-2.6: (1 commit)
  ARM: LPC32xx: Fix missing and bad LPC32XX macros

Update to Linux 3.3-rc5

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
12 years agoARM: LPC32xx: Fix missing and bad LPC32XX macros
Roland Stigge [Mon, 27 Feb 2012 16:31:24 +0000 (17:31 +0100)]
ARM: LPC32xx: Fix missing and bad LPC32XX macros

Some of the LPC32XX_* macros were typed ("LCP32XX_*"), which is fixed by this
patch. (Besides another LCP doc typo.)

Further, the LPC32XX_GPIO_P2_MUX_SET/CLR/STATE macros were missing.

Signed-off-by: Roland Stigge <stigge@antcom.de>
12 years agoMerge branch 'v3.4/fixes' of git://gitorious.org/linux-davinci/linux-davinci into...
Arnd Bergmann [Mon, 27 Feb 2012 14:25:51 +0000 (14:25 +0000)]
Merge branch 'v3.4/fixes' of git://gitorious.org/linux-davinci/linux-davinci into next/fixes-non-critical

* 'v3.4/fixes' of git://gitorious.org/linux-davinci/linux-davinci:
  ARM: davinci: map default_queue to edma channels

12 years agoMerge branch 'imx-fixes' of git://git.pengutronix.de/git/imx/linux-2.6 into next...
Arnd Bergmann [Mon, 27 Feb 2012 12:58:59 +0000 (12:58 +0000)]
Merge branch 'imx-fixes' of git://git.pengutronix.de/git/imx/linux-2.6 into next/fixes-non-critical

* 'imx-fixes' of git://git.pengutronix.de/git/imx/linux-2.6: (247 commits)
  ARM: mach-imx: mx3: Fix section mismatch in imx3_init_l2x0()
  ARM: imx_v4_v5_defconfig: Fix the selection of 32 bit flash support for iMX21ADS board
  ARM: mach-pcm038: Fix field name of regulator_consumer_supply struct

Also includes an update to v3.3-rc3

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
12 years agoARM: mach-imx: mx3: Fix section mismatch in imx3_init_l2x0()
Fabio Estevam [Sun, 26 Feb 2012 16:27:04 +0000 (13:27 -0300)]
ARM: mach-imx: mx3: Fix section mismatch in imx3_init_l2x0()

Fix the following section mismatch:

WARNING: vmlinux.o(.text+0x11be8): Section mismatch in reference from the function imx3_init_l2x0() to the function .init.text:l2x0_init()
The function imx3_init_l2x0() references
the function __init l2x0_init().
This is often because imx3_init_l2x0 lacks a __init
annotation or the annotation of l2x0_init is wrong.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
12 years agoARM: imx_v4_v5_defconfig: Fix the selection of 32 bit flash support for iMX21ADS...
Fabio Estevam [Mon, 23 Jan 2012 16:16:17 +0000 (14:16 -0200)]
ARM: imx_v4_v5_defconfig: Fix the selection of 32 bit flash support for iMX21ADS board

commit 1a96571d (Enable 32 bit flash support for iMX21ADS board) aimed to
enable 32 bit flash support, but all it did was to delete an unset option.

Fix this by enabling CONFIG_MTD_MAP_BANK_WIDTH_4 option.

Cc: Jaccon Bastiaansen <jaccon.bastiaansen@gmail.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
12 years agoARM: mach-pcm038: Fix field name of regulator_consumer_supply struct
Fabio Estevam [Tue, 14 Feb 2012 23:48:33 +0000 (21:48 -0200)]
ARM: mach-pcm038: Fix field name of regulator_consumer_supply struct

Building imx_v4_v5_defconfig generates the following error:

arch/arm/mach-imx/mach-pcm038.c:236: error: unknown field 'dev' specified in initializer
make[1]: *** [arch/arm/mach-imx/mach-pcm038.o] Error 1

Fix it by providing the correct "dev_name" field name.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
12 years agoLinux 3.3-rc5
Linus Torvalds [Sat, 25 Feb 2012 20:18:16 +0000 (12:18 -0800)]
Linux 3.3-rc5

12 years agoMerge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck...
Linus Torvalds [Sat, 25 Feb 2012 20:12:08 +0000 (12:12 -0800)]
Merge tag 'hwmon-for-linus' of git://git./linux/kernel/git/groeck/linux-staging

Couple of minor driver fixes.

* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (max34440) Fix resetting temperature history
  hwmon: (f75375s) Fix register write order when setting fans to full speed
  hwmon: (ads1015) Fix file leak in probe function
  hwmon: (max6639) Fix PPR register initialization to set both channels
  hwmon: (max6639) Fix FAN_FROM_REG calculation

12 years agoMerge branch 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Linus Torvalds [Sat, 25 Feb 2012 20:11:25 +0000 (12:11 -0800)]
Merge branch 'rc-fixes' of git://git./linux/kernel/git/mmarek/kbuild

three kbuild fixes for 3.3:
 - make deb-pkg symlink race fix.
 - make coccicheck fix.
 - Dropping the check for modutils.  This is not a regression, but
   allows the module-init-tools replacement kmod work with the 3.3
   kernel.

* 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  coccicheck: change handling of C={1,2} when M= is set
  builddeb: Don't create files in /tmp with predictable names
  kbuild: do not check for ancient modutils tools

12 years agoautofs: work around unhappy compat problem on x86-64
Ian Kent [Wed, 22 Feb 2012 12:45:44 +0000 (20:45 +0800)]
autofs: work around unhappy compat problem on x86-64

When the autofs protocol version 5 packet type was added in commit
5c0a32fc2cd0 ("autofs4: add new packet type for v5 communications"), it
obvously tried quite hard to be word-size agnostic, and uses explicitly
sized fields that are all correctly aligned.

However, with the final "char name[NAME_MAX+1]" array at the end, the
actual size of the structure ends up being not very well defined:
because the struct isn't marked 'packed', doing a "sizeof()" on it will
align the size of the struct up to the biggest alignment of the members
it has.

And despite all the members being the same, the alignment of them is
different: a "__u64" has 4-byte alignment on x86-32, but native 8-byte
alignment on x86-64.  And while 'NAME_MAX+1' ends up being a nice round
number (256), the name[] array starts out a 4-byte aligned.

End result: the "packed" size of the structure is 300 bytes: 4-byte, but
not 8-byte aligned.

As a result, despite all the fields being in the same place on all
architectures, sizeof() will round up that size to 304 bytes on
architectures that have 8-byte alignment for u64.

Note that this is *not* a problem for 32-bit compat mode on POWER, since
there __u64 is 8-byte aligned even in 32-bit mode.  But on x86, 32-bit
and 64-bit alignment is different for 64-bit entities, and as a result
the structure that has exactly the same layout has different sizes.

So on x86-64, but no other architecture, we will just subtract 4 from
the size of the structure when running in a compat task.  That way we
will write the properly sized packet that user mode expects.

Not pretty.  Sadly, this very subtle, and unnecessary, size difference
has been encoded in user space that wants to read packets of *exactly*
the right size, and will refuse to touch anything else.

Reported-and-tested-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Ian Kent <raven@themaw.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
12 years agoMerge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland...
Linus Torvalds [Sat, 25 Feb 2012 04:03:14 +0000 (20:03 -0800)]
Merge tag 'rdma-for-linus' of git://git./linux/kernel/git/roland/infiniband

One InfiniBand/RDMA regression fix for 3.3:

 - mlx4 SR-IOV changes added static exported functions, which doesn't
   build on powerpc at least.  Fix from Doug Ledford for this.

* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
  mlx4_core: Exported functions can't be static

12 years agoMerge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi...
Linus Torvalds [Sat, 25 Feb 2012 00:08:51 +0000 (16:08 -0800)]
Merge tag 'scsi-fixes' of git://git./linux/kernel/git/jejb/scsi-rc-fixes-2.6

SCSI fixes on 20120224:
 "This is a set of assorted bug fixes for power management, mpt2sas,
  ipr, the rdac device handler and quite a big chunk for qla2xxx (plus a
  use after free of scsi_host in scsi_scan.c). "

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
  [SCSI] scsi_dh_rdac: Fix for unbalanced reference count
  [SCSI] scsi_pm: Fix bug in the SCSI power management handler
  [SCSI] scsi_scan: Fix 'Poison overwritten' warning caused by using freed 'shost'
  [SCSI] qla2xxx: Update version number to 8.03.07.13-k.
  [SCSI] qla2xxx: Proper detection of firmware abort error code for ISP82xx.
  [SCSI] qla2xxx: Remove resetting memory during device initialization for ISP82xx.
  [SCSI] qla2xxx: Complete mailbox command timedout to avoid initialization failures during next reset cycle.
  [SCSI] qla2xxx: Remove check for null fcport from host reset handler.
  [SCSI] qla2xxx: Correct out of bounds read of ISP2200 mailbox registers.
  [SCSI] qla2xxx: Remove errant clearing of MBX_INTERRUPT flag during CT-IOCB processing.
  [SCSI] qla2xxx: Clear options-flags while issuing stop-firmware mbx command.
  [SCSI] qla2xxx: Add an "is reset active" helper.
  [SCSI] qla2xxx: Add check for null fcport references in qla2xxx_queuecommand.
  [SCSI] qla2xxx: Propagate up abort failures.
  [SCSI] isci: Fix NULL ptr dereference when no firmware is being loaded
  [SCSI] ipr: fix eeh recovery for 64-bit adapters
  [SCSI] mpt2sas: Fix mismatch in mpt2sas_base_hard_reset_handler() mutex lock-unlock

12 years agococcicheck: change handling of C={1,2} when M= is set
Greg Dietsche [Fri, 20 Jan 2012 23:10:35 +0000 (17:10 -0600)]
coccicheck: change handling of C={1,2} when M= is set

This patch reverts a portion of d0bc1fb4 so that coccicheck will
work properly when C=1 or C=2.

Reported-and-tested-by: Brice Goglin <Brice.Goglin@inria.fr>
Signed-off-by: Greg Dietsche <Gregory.Dietsche@cuw.edu>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
12 years agoARM: OMAP: convert omap_device_build() and callers to __init
Kevin Hilman [Mon, 20 Feb 2012 17:43:30 +0000 (09:43 -0800)]
ARM: OMAP: convert omap_device_build() and callers to __init

Building omap_devices should only be done at init time, and since
omap_device_build() is using early_platform calls which are also
__init, this ensures that omap_device isn't trying to use functions
that disappear.

Signed-off-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoARM: OMAP2+: Mark omap_hsmmc_init and omap_mux related functions as __init
Tony Lindgren [Mon, 20 Feb 2012 17:43:30 +0000 (09:43 -0800)]
ARM: OMAP2+: Mark omap_hsmmc_init and omap_mux related functions as __init

Now that omap hsmmc init is split into two functions, it's safe
to mark omap_hsmmc_init and omap_mux related functions to __init.

This basically reverts the following fixes for the case where
TWL was compiled as a module:

a98f77b (ARM: omap: fix section mismatch warning for sdp3430_twl_gpio_setup())
8930b4e (ARM: omap: fix section mismatch warnings in mux.c caused by hsmmc.c)

Additionally it fixes up the remaining section warnings for
all callers of omap_mux functions.

Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoMerge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...
Linus Torvalds [Fri, 24 Feb 2012 20:32:51 +0000 (12:32 -0800)]
Merge branch 'v4l_for_linus' of git://git./linux/kernel/git/mchehab/linux-media

* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
  [media] hdpvr: update picture controls to support firmware versions > 0.15
  [media] wl128x: fix build errors when GPIOLIB is not enabled
  [media] hdpvr: fix race conditon during start of streaming
  [media] omap3isp: Fix crash caused by subdevs now having a pointer to devnodes
  [media] imon: don't wedge hardware after early callbacks

12 years agoepoll: ep_unregister_pollwait() can use the freed pwq->whead
Oleg Nesterov [Fri, 24 Feb 2012 19:07:29 +0000 (20:07 +0100)]
epoll: ep_unregister_pollwait() can use the freed pwq->whead

signalfd_cleanup() ensures that ->signalfd_wqh is not used, but
this is not enough. eppoll_entry->whead still points to the memory
we are going to free, ep_unregister_pollwait()->remove_wait_queue()
is obviously unsafe.

Change ep_poll_callback(POLLFREE) to set eppoll_entry->whead = NULL,
change ep_unregister_pollwait() to check pwq->whead != NULL under
rcu_read_lock() before remove_wait_queue(). We add the new helper,
ep_remove_wait_queue(), for this.

This works because sighand_cachep is SLAB_DESTROY_BY_RCU and because
->signalfd_wqh is initialized in sighand_ctor(), not in copy_sighand.
ep_unregister_pollwait()->remove_wait_queue() can play with already
freed and potentially reused ->sighand, but this is fine. This memory
must have the valid ->signalfd_wqh until rcu_read_unlock().

Reported-by: Maxime Bizon <mbizon@freebox.fr>
Cc: <stable@kernel.org>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
12 years agoepoll: introduce POLLFREE to flush ->signalfd_wqh before kfree()
Oleg Nesterov [Fri, 24 Feb 2012 19:07:11 +0000 (20:07 +0100)]
epoll: introduce POLLFREE to flush ->signalfd_wqh before kfree()

This patch is intentionally incomplete to simplify the review.
It ignores ep_unregister_pollwait() which plays with the same wqh.
See the next change.

epoll assumes that the EPOLL_CTL_ADD'ed file controls everything
f_op->poll() needs. In particular it assumes that the wait queue
can't go away until eventpoll_release(). This is not true in case
of signalfd, the task which does EPOLL_CTL_ADD uses its ->sighand
which is not connected to the file.

This patch adds the special event, POLLFREE, currently only for
epoll. It expects that init_poll_funcptr()'ed hook should do the
necessary cleanup. Perhaps it should be defined as EPOLLFREE in
eventpoll.

__cleanup_sighand() is changed to do wake_up_poll(POLLFREE) if
->signalfd_wqh is not empty, we add the new signalfd_cleanup()
helper.

ep_poll_callback(POLLFREE) simply does list_del_init(task_list).
This make this poll entry inconsistent, but we don't care. If you
share epoll fd which contains our sigfd with another process you
should blame yourself. signalfd is "really special". I simply do
not know how we can define the "right" semantics if it used with
epoll.

The main problem is, epoll calls signalfd_poll() once to establish
the connection with the wait queue, after that signalfd_poll(NULL)
returns the different/inconsistent results depending on who does
EPOLL_CTL_MOD/signalfd_read/etc. IOW: apart from sigmask, signalfd
has nothing to do with the file, it works with the current thread.

In short: this patch is the hack which tries to fix the symptoms.
It also assumes that nobody can take tasklist_lock under epoll
locks, this seems to be true.

Note:

- we do not have wake_up_all_poll() but wake_up_poll()
  is fine, poll/epoll doesn't use WQ_FLAG_EXCLUSIVE.

- signalfd_cleanup() uses POLLHUP along with POLLFREE,
  we need a couple of simple changes in eventpoll.c to
  make sure it can't be "lost".

Reported-by: Maxime Bizon <mbizon@freebox.fr>
Cc: <stable@kernel.org>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
12 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux...
Linus Torvalds [Fri, 24 Feb 2012 17:02:53 +0000 (09:02 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/mason/linux-btrfs

Quoth Chris:
 "This is later than I wanted because I got backed up running through
  btrfs bugs from the Oracle QA teams.  But they are all bug fixes that
  we've queued and tested since rc1.

  Nothing in particular stands out, this just reflects bug fixing and QA
  done in parallel by all the btrfs developers.  The most user visible
  of these is:

    Btrfs: clear the extent uptodate bits during parent transid failures

  Because that helps deal with out of date drives (say an iscsi disk
  that has gone away and come back).  The old code wasn't always
  properly retrying the other mirror for this type of failure."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: (24 commits)
  Btrfs: fix compiler warnings on 32 bit systems
  Btrfs: increase the global block reserve estimates
  Btrfs: clear the extent uptodate bits during parent transid failures
  Btrfs: add extra sanity checks on the path names in btrfs_mksubvol
  Btrfs: make sure we update latest_bdev
  Btrfs: improve error handling for btrfs_insert_dir_item callers
  Btrfs: be less strict on finding next node in clear_extent_bit
  Btrfs: fix a bug on overcommit stuff
  Btrfs: kick out redundant stuff in convert_extent_bit
  Btrfs: skip states when they does not contain bits to clear
  Btrfs: check return value of lookup_extent_mapping() correctly
  Btrfs: fix deadlock on page lock when doing auto-defragment
  Btrfs: fix return value check of extent_io_ops
  btrfs: honor umask when creating subvol root
  btrfs: silence warning in raid array setup
  btrfs: fix structs where bitfields and spinlock/atomic share 8B word
  btrfs: delalloc for page dirtied out-of-band in fixup worker
  Btrfs: fix memory leak in load_free_space_cache()
  btrfs: don't check DUP chunks twice
  Btrfs: fix trim 0 bytes after a device delete
  ...

12 years agoMerge tag 'for-linus' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming
Linus Torvalds [Fri, 24 Feb 2012 17:01:46 +0000 (09:01 -0800)]
Merge tag 'for-linus' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming

This is the arch/c6x part of commit 7c43185138cf ("Kbuild: Use dtc's -d
(dependency) option") which was dropped because c6x had not yet been
merged at the time.

* tag 'for-linus' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming:
  Kbuild: Use dtc's -d (dependency) option

12 years agoMAINTAINERS: drop me from PA-RISC maintenance
Kyle McMartin [Fri, 24 Feb 2012 15:36:16 +0000 (10:36 -0500)]
MAINTAINERS: drop me from PA-RISC maintenance

I don't even live in the same country as any of my PA-RISC hardware
these days, so the odds of me touching the code are pretty low.
(Also re-order things to ensure jejb gets CC'd since he's been the
primary maintainer for the last few years.)

Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
12 years agoNOMMU: Don't need to clear vm_mm when deleting a VMA
David Howells [Thu, 23 Feb 2012 13:51:00 +0000 (13:51 +0000)]
NOMMU: Don't need to clear vm_mm when deleting a VMA

Don't clear vm_mm in a deleted VMA as it's unnecessary and might
conceivably break the filesystem or driver VMA close routine.

Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
12 years agoNOMMU: Lock i_mmap_mutex for access to the VMA prio list
David Howells [Thu, 23 Feb 2012 13:50:35 +0000 (13:50 +0000)]
NOMMU: Lock i_mmap_mutex for access to the VMA prio list

Lock i_mmap_mutex for access to the VMA prio list to prevent concurrent
access.  Currently, certain parts of the mmap handling are protected by
the region mutex, but not all.

Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
12 years agoMerge tag 'rmobile-for-linus' of git://github.com/pmundt/linux-sh
Linus Torvalds [Fri, 24 Feb 2012 16:57:22 +0000 (08:57 -0800)]
Merge tag 'rmobile-for-linus' of git://github.com/pmundt/linux-sh

SH/R-Mobile fixes for 3.3-rc5

* tag 'rmobile-for-linus' of git://github.com/pmundt/linux-sh:
  arch/arm/mach-shmobile/board-ag5evm.c: included linux/dma-mapping.h twice
  ARM: mach-shmobile: r8a7779 PFC IPSR4 fix
  ARM: mach-shmobile: sh73a0 PSTR 32-bit access fix
  ARM: mach-shmobile: add GPIO-to-IRQ translation to sh7372
  ARM: mach-shmobile: clock-sh73a0: add DSIxPHY clock support
  arm: fix compile failure in mach-shmobile/board-ag5evm.c
  ARM: mach-shmobile: mackerel: add ak4642 amixer settings on comment
  ARM: mach-shmobile: mackerel: use renesas_usbhs instead of r8a66597_hcd
  ARM: mach-shmobile: simplify MMCIF DMA configuration
  ARM: mach-shmobile: IRQ driven GPIO key support for Kota2
  ARM: mach-shmobile: sh73a0 IRQ sparse alloc fix
  ARM: mach-shmobile: sh73a0 PINT IRQ base fix

12 years agoMerge tag 'sh-for-linus' of git://github.com/pmundt/linux-sh
Linus Torvalds [Fri, 24 Feb 2012 16:56:51 +0000 (08:56 -0800)]
Merge tag 'sh-for-linus' of git://github.com/pmundt/linux-sh

SuperH fixes for 3.3-rc5

* tag 'sh-for-linus' of git://github.com/pmundt/linux-sh:
  sh: Fix sh2a build error for CONFIG_CACHE_WRITETHROUGH
  sh: modify a resource of sh_eth_giga1_resources in board-sh7757lcr
  arch/sh: remove references to cpu_*_map.
  sh: Fix typo in pci-sh7780.c
  sh: add platform_device for SPI1 in setup-sh7757
  sh: modify resource for SPI0 in setup-sh7757
  sh: se7724: fix compile breakage
  sh: clkfwk: bugfix: use clk_reparent() for div6 clocks
  sh: clock-sh7724: fixup sh_fsi clock settings
  sh: sh7757lcr: update to the new MMCIF DMA configuration
  sh: fix the sh_mmcif_plat_data in board-sh7757lcr
  video: pvr2fb: Fix up spurious section mismatch warnings.
  sh: Defer to asm-generic/device.h.

12 years agomm: memcg: Correct unregistring of events attached to the same eventfd
Anton Vorontsov [Fri, 24 Feb 2012 01:14:46 +0000 (05:14 +0400)]
mm: memcg: Correct unregistring of events attached to the same eventfd

There is an issue when memcg unregisters events that were attached to
the same eventfd:

- On the first call mem_cgroup_usage_unregister_event() removes all
  events attached to a given eventfd, and if there were no events left,
  thresholds->primary would become NULL;

- Since there were several events registered, cgroups core will call
  mem_cgroup_usage_unregister_event() again, but now kernel will oops,
  as the function doesn't expect that threshold->primary may be NULL.

That's a good question whether mem_cgroup_usage_unregister_event()
should actually remove all events in one go, but nowadays it can't
do any better as cftype->unregister_event callback doesn't pass
any private event-associated cookie. So, let's fix the issue by
simply checking for threshold->primary.

FWIW, w/o the patch the following oops may be observed:

 BUG: unable to handle kernel NULL pointer dereference at 0000000000000004
 IP: [<ffffffff810be32c>] mem_cgroup_usage_unregister_event+0x9c/0x1f0
 Pid: 574, comm: kworker/0:2 Not tainted 3.3.0-rc4+ #9 Bochs Bochs
 RIP: 0010:[<ffffffff810be32c>]  [<ffffffff810be32c>] mem_cgroup_usage_unregister_event+0x9c/0x1f0
 RSP: 0018:ffff88001d0b9d60  EFLAGS: 00010246
 Process kworker/0:2 (pid: 574, threadinfo ffff88001d0b8000, task ffff88001de91cc0)
 Call Trace:
  [<ffffffff8107092b>] cgroup_event_remove+0x2b/0x60
  [<ffffffff8103db94>] process_one_work+0x174/0x450
  [<ffffffff8103e413>] worker_thread+0x123/0x2d0

Cc: stable <stable@vger.kernel.org>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Kirill A. Shutemov <kirill@shutemov.name>
Cc: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
12 years agoARM: OMAP2+: Fix multiple randconfig errors with SOC_OMAP and SOC_OMAP_NOOP
Tony Lindgren [Fri, 24 Feb 2012 00:41:53 +0000 (16:41 -0800)]
ARM: OMAP2+: Fix multiple randconfig errors with SOC_OMAP and SOC_OMAP_NOOP

If we don't have ARCH_OMAP2, 3 or 4 selected randconfig will always
fail with multiple errors as the CPU and MACHINE are not set.

Fix this by changing arch/arm/Makefile to build mach-omap2 based on
ARCH_OMAP2PLUS. And let's introduce SOC_OMAP and SOC_OMAP_NOOP that
allow randconfig to generate buildable .config files.

Note that we can also remove few uncecssary ARCH_OMAP2PLUS lines
as they are all within if ARCH_OMAP2PLUS block.

Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoARM: OMAP: Fix devexit for dma when CONFIG_HOTPLUG is not set
Tony Lindgren [Thu, 23 Feb 2012 22:58:08 +0000 (14:58 -0800)]
ARM: OMAP: Fix devexit for dma when CONFIG_HOTPLUG is not set

Otherwise we get:

`omap_system_dma_remove' referenced in section `.data' of arch/arm/plat-omap/built-in.o:
defined in discarded section `.devexit.text' of arch/arm/plat-omap/built-in.o

Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoARM: OMAP2+: Fix devexit for smartreflex when CONFIG_HOTPLUG is not set
Tony Lindgren [Thu, 23 Feb 2012 22:55:40 +0000 (14:55 -0800)]
ARM: OMAP2+: Fix devexit for smartreflex when CONFIG_HOTPLUG is not set

Otherwise we get:

`omap_sr_remove' referenced in section `.data' of arch/arm/mach-omap2/built-in.o:
defined in discarded section `.devexit.text' of arch/arm/mach-omap2/built-in.o

Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agohwmon: (max34440) Fix resetting temperature history
Guenter Roeck [Fri, 24 Feb 2012 11:44:34 +0000 (03:44 -0800)]
hwmon: (max34440) Fix resetting temperature history

Temperature history is reset by writing 0x8000 into the peak temperature
register, not 0xffff.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Jean Delvare <khali@linux-fr.org>
12 years agoBtrfs: fix compiler warnings on 32 bit systems
Chris Mason [Fri, 24 Feb 2012 15:39:05 +0000 (10:39 -0500)]
Btrfs: fix compiler warnings on 32 bit systems

The enospc tracing code added some interesting uses of
u64 pointer casts.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
12 years agoarch/arm/mach-shmobile/board-ag5evm.c: included linux/dma-mapping.h twice
Danny Kukawka [Thu, 16 Feb 2012 14:46:38 +0000 (15:46 +0100)]
arch/arm/mach-shmobile/board-ag5evm.c: included linux/dma-mapping.h twice

arch/arm/mach-shmobile/board-ag5evm.c: included 'linux/dma-mapping.h'
twice, remove the duplicate.

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
12 years agoARM: mach-shmobile: r8a7779 PFC IPSR4 fix
Magnus Damm [Mon, 30 Jan 2012 02:25:07 +0000 (11:25 +0900)]
ARM: mach-shmobile: r8a7779 PFC IPSR4 fix

Fix the bit field width information for the IPSR4 register
in the r8a7779 pin function controller (PFC).

Without this fix the Marzen board fails to receive data
over the serial console due to misconfigured pin function
for the RX pin.

Signed-off-by: Magnus Damm <damm@opensource.se>
Tested-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
12 years agoARM: mach-shmobile: sh73a0 PSTR 32-bit access fix
Magnus Damm [Mon, 30 Jan 2012 02:03:49 +0000 (11:03 +0900)]
ARM: mach-shmobile: sh73a0 PSTR 32-bit access fix

Convert the sh73a0 SMP code to use 32-bit PSTR access.

This fixes wakeup from deep sleep for sh73a0 secondary CPUs.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
12 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into rmobile-fixes...
Paul Mundt [Fri, 24 Feb 2012 04:23:23 +0000 (13:23 +0900)]
Merge git://git./linux/kernel/git/torvalds/linux into rmobile-fixes-for-linus

12 years agosh: Fix sh2a build error for CONFIG_CACHE_WRITETHROUGH
Phil Edworthy [Tue, 21 Feb 2012 08:29:57 +0000 (08:29 +0000)]
sh: Fix sh2a build error for CONFIG_CACHE_WRITETHROUGH

Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
12 years agosh: modify a resource of sh_eth_giga1_resources in board-sh7757lcr
Shimoda, Yoshihiro [Mon, 20 Feb 2012 08:26:50 +0000 (17:26 +0900)]
sh: modify a resource of sh_eth_giga1_resources in board-sh7757lcr

The latest sh_eth driver needs a resource of TSU in the channel 1,
if the controller has TSU registers. So, this patch adds the resource.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
12 years agoarch/sh: remove references to cpu_*_map.
Rusty Russell [Wed, 15 Feb 2012 04:58:04 +0000 (15:28 +1030)]
arch/sh: remove references to cpu_*_map.

This has been obsolescent for a while; time for the final push.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: linux-sh@vger.kernel.org
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
12 years agosh: Fix typo in pci-sh7780.c
Masanari Iida [Sat, 4 Feb 2012 12:40:24 +0000 (21:40 +0900)]
sh: Fix typo in pci-sh7780.c

Correct spelling "erorr" to "error" in
arch/sh/drivers/pci/pci-sh7780.c

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
12 years agoARM: OMAP2+: Fix zoom LCD backlight if TWL_CORE is not selected
Tony Lindgren [Thu, 23 Feb 2012 22:29:59 +0000 (14:29 -0800)]
ARM: OMAP2+: Fix zoom LCD backlight if TWL_CORE is not selected

Otherwise we get:

arch/arm/mach-omap2/board-zoom-display.c:64: undefined reference to `twl_i2c_read_u8'
arch/arm/mach-omap2/board-zoom-display.c:65: undefined reference to `twl_i2c_read_u8'
arch/arm/mach-omap2/board-zoom-display.c:84: undefined reference to `twl_i2c_write_u8'
arch/arm/mach-omap2/board-zoom-display.c:86: undefined reference to `twl_i2c_write_u8'
arch/arm/mach-omap2/board-zoom-display.c:91: undefined reference to `twl_i2c_write_u8'
arch/arm/mach-omap2/board-zoom-display.c:92: undefined reference to `twl_i2c_write_u8'
arch/arm/mach-omap2/board-zoom-display.c:72: undefined reference to `twl_i2c_write_u8'

Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoARM: OMAP2+: Fix board_mux section type conflict when OMAP_MUX is not set
Tony Lindgren [Thu, 23 Feb 2012 22:21:28 +0000 (14:21 -0800)]
ARM: OMAP2+: Fix board_mux section type conflict when OMAP_MUX is not set

Otherwise we can get:

arch/arm/mach-omap2/mux.h:249:31: error: board_mux causes a section type conflict

Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoARM: OMAP2+: Fix OMAP_HDQ_BASE build error
Tony Lindgren [Fri, 24 Feb 2012 00:41:53 +0000 (16:41 -0800)]
ARM: OMAP2+: Fix OMAP_HDQ_BASE build error

If CONFIG_SOC_OMAP3430 is not set and CONFIG_HDQ_MASTER_OMAP
is selected for w1 driver we get the following error:

arch/arm/mach-omap2/devices.c:662:13: error:
'OMAP_HDQ_BASE' undeclared here (not in a function)

Looks like OMAP_HDQ_BASE is valid for all omaps except
2420, so we can remove the ifdef and not register
the device on 2420.

Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoARM: OMAP2+: Fix Kconfig dependencies for USB_ARCH_HAS_EHCI
Tony Lindgren [Fri, 24 Feb 2012 00:41:52 +0000 (16:41 -0800)]
ARM: OMAP2+: Fix Kconfig dependencies for USB_ARCH_HAS_EHCI

Otherwise we get:

warning: (ARCH_OMAP3 && ARCH_OMAP4) selects USB_ARCH_HAS_EHCI
which has unmet direct dependencies (USB_SUPPORT)

Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoARM: OMAP2+: I2C: always compile I2C reset code, even if I2C driver is not built
Paul Walmsley [Fri, 24 Feb 2012 00:41:52 +0000 (16:41 -0800)]
ARM: OMAP2+: I2C: always compile I2C reset code, even if I2C driver is not built

During kernel init, we reset all IP blocks on the OMAP that we can,
even if there is no driver compiled for that IP block.  Unlike most IP
blocks, the I2C block requires some extra programming for this to
work.  This reset code is incorrectly omitted when the I2C driver is
deselected.  In this circumstance, the build breaks.  Fix by compiling
the I2C reset code unconditionally.

Problem reported by Russell King <linux@arm.linux.org.uk>.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Russell King <linux@arm.linux.org.uk>
Tested-by: Shubhrajyoti <shubhrajyoti@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
12 years agoRestore direct_io / truncate locking API
Anton Altaparmakov [Thu, 23 Feb 2012 23:40:05 +0000 (23:40 +0000)]
Restore direct_io / truncate locking API

With kernel 3.1, Christoph removed i_alloc_sem and replaced it with
calls (namely inode_dio_wait() and inode_dio_done()) which are
EXPORT_SYMBOL_GPL() thus they cannot be used by non-GPL file systems and
further inode_dio_wait() was pushed from notify_change() into the file
system ->setattr() method but no non-GPL file system can make this call.

That means non-GPL file systems cannot exist any more unless they do not
use any VFS functionality related to reading/writing as far as I can
tell or at least as long as they want to implement direct i/o.

Both Linus and Al (and others) have said on LKML that this breakage of
the VFS API should not have happened and that the change was simply
missed as it was not documented in the change logs of the patches that
did those changes.

This patch changes the two function exports in question to be
EXPORT_SYMBOL() thus restoring the VFS API as it used to be - accessible
for all modules.

Christoph, who introduced the two functions and exported them GPL-only
is CC-ed on this patch to give him the opportunity to object to the
symbols being changed in this manner if he did indeed intend them to be
GPL-only and does not want them to become available to all modules.

Signed-off-by: Anton Altaparmakov <anton@tuxera.com>
CC: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
12 years agoMerge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
Linus Torvalds [Thu, 23 Feb 2012 23:38:57 +0000 (15:38 -0800)]
Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs

A fix from Jesper Juhl removes an assignment in an ASSERT when a compare
is intended.  Two fixes from Mitsuo Hayasaka address off-by-ones in XFS
quota enforcement.

* 'for-linus' of git://oss.sgi.com/xfs/xfs:
  xfs: make inode quota check more general
  xfs: change available ranges of softlimit and hardlimit in quota check
  XFS: xfs_trans_add_item() - don't assign in ASSERT() when compare is intended

12 years agoMerge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Linus Torvalds [Thu, 23 Feb 2012 19:48:36 +0000 (11:48 -0800)]
Merge branch 'merge' of git://git./linux/kernel/git/benh/powerpc

BenH says:
 'Here are a few more powerpc bits for you.  A stupid regression I
  introduced with my previous commit to "fix" program check exceptions
  (brown paper bag for me), fix the cpuidle default, a bug fix for
  something that isn't strictly speaking a regression but some upstream
  changes causes it to show in lockdep now while it didn't before, and
  finally a trivial one for rusty to make his life easier later on
  removing the old cpumask cruft. '

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc: Fix various issues with return to userspace
  cpuidle: Default y on powerpc pSeries
  powerpc: Fix program check handling when lockdep is enabled
  powerpc: Remove references to cpu_*_map

12 years agoMerge tag 'sound-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Linus Torvalds [Thu, 23 Feb 2012 19:28:05 +0000 (11:28 -0800)]
Merge tag 'sound-fixes' of git://git./linux/kernel/git/tiwai/sound

sound fixes for 3.3-rc5

Just a collection of boring small fixes for ASoC, HD-audio Realtek
and USB-audio drivers.

* tag 'sound-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: snd-usb-caiaq: Fix the return of XRUN
  ASoC: ak4642: fixup HeadPhone L/R dapm settings
  ALSA: hda/realtek - Fix surround output regression on Acer Aspire 5935
  ALSA: hda/realtek - Fix overflow of vol/sw check bitmap
  ALSA: usb-audio: avoid integer overflow in create_fixed_stream_quirk()
  ASoC: wm8962: Fix sidetone enumeration texts

12 years agoBtrfs: increase the global block reserve estimates
Liu Bo [Thu, 23 Feb 2012 15:49:04 +0000 (10:49 -0500)]
Btrfs: increase the global block reserve estimates

When doing IO with large amounts of data fragmentation, the global block
reserve calulations are too low.  This increases them to avoid
ENOSPC crashes.

Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
12 years agoBtrfs: clear the extent uptodate bits during parent transid failures
Chris Mason [Wed, 22 Feb 2012 17:36:24 +0000 (12:36 -0500)]
Btrfs: clear the extent uptodate bits during parent transid failures

If btrfs reads a block and finds a parent transid mismatch, it clears
the uptodate flags on the extent buffer, and the pages inside it.  But
we only clear the uptodate bits in the state tree if the block straddles
more than one page.

This is from an old optimization from to reduce contention on the extent
state tree.  But it is buggy because the code that retries a read from
a different copy of the block is going to find the uptodate state bits
set and skip the IO.

The end result of the bug is that we'll never actually read the good
copy (if there is one).

The fix here is to always clear the uptodate state bits, which is safe
because this code is only called when the parent transid fails.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
12 years agoBtrfs: add extra sanity checks on the path names in btrfs_mksubvol
Chris Mason [Tue, 21 Feb 2012 03:14:55 +0000 (22:14 -0500)]
Btrfs: add extra sanity checks on the path names in btrfs_mksubvol

Signed-off-by: Chris Mason <chris.mason@oracle.com>
12 years agoBtrfs: make sure we update latest_bdev
Chris Mason [Tue, 21 Feb 2012 01:53:43 +0000 (20:53 -0500)]
Btrfs: make sure we update latest_bdev

When we are setting up the mount, we close all the
devices that were not actually part of the metadata we found.

But, we don't make sure that one of those devices wasn't
fs_devices->latest_bdev, which means we can do a use after free
on the one we closed.

This updates latest_bdev as it goes.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
12 years agoBtrfs: improve error handling for btrfs_insert_dir_item callers
Chris Mason [Mon, 20 Feb 2012 13:40:56 +0000 (08:40 -0500)]
Btrfs: improve error handling for btrfs_insert_dir_item callers

This allows us to gracefully continue if we aren't able to insert
directory items, both for normal files/dirs and snapshots.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
12 years agohwmon: (f75375s) Fix register write order when setting fans to full speed
Nikolaus Schulz [Wed, 22 Feb 2012 22:18:44 +0000 (23:18 +0100)]
hwmon: (f75375s) Fix register write order when setting fans to full speed

By hwmon sysfs interface convention, setting pwm_enable to zero sets a fan
to full speed.  In the f75375s driver, this need be done by enabling
manual fan control, plus duty mode for the F875387 chip, and then setting
the maximum duty cycle.  Fix a bug where the two necessary register writes
were swapped, effectively discarding the setting to full-speed.

Signed-off-by: Nikolaus Schulz <mail@microschulz.de>
Cc: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
12 years agohwmon: (ads1015) Fix file leak in probe function
Guenter Roeck [Wed, 22 Feb 2012 16:13:52 +0000 (08:13 -0800)]
hwmon: (ads1015) Fix file leak in probe function

An error while creating sysfs attribute files in the driver's probe function
results in an error abort, but already created files are not removed. This patch
fixes the problem.

Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: stable@vger.kernel.org # 3.0+
Cc: Dirk Eibach <eibach@gdsys.de>
Acked-by: Jean Delvare <khali@linux-fr.org>