GitHub/LineageOS/G12/android_kernel_amlogic_linux-4.9.git
12 years agoMerge tag 'asoc-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound...
Takashi Iwai [Tue, 22 May 2012 00:58:55 +0000 (02:58 +0200)]
Merge tag 'asoc-3.5' of git://git./linux/kernel/git/broonie/sound into for-linus

ASoC: Last minute updates

These are all new code, they've been in -next already so should be OK
for merge this time round.  I'd been planning to send a pull request
today after they'd had a bit of exposure there to make sure breakage
didn't propagate into your tree.

12 years agoMerge branch 'topic/misc' into for-linus
Takashi Iwai [Mon, 21 May 2012 10:51:35 +0000 (12:51 +0200)]
Merge branch 'topic/misc' into for-linus

12 years agoMerge branch 'topic/hda' into for-linus
Takashi Iwai [Mon, 21 May 2012 10:51:31 +0000 (12:51 +0200)]
Merge branch 'topic/hda' into for-linus

12 years agoALSA: snd-usb: fix stream info output in /proc
Daniel Mack [Mon, 21 May 2012 10:47:36 +0000 (12:47 +0200)]
ALSA: snd-usb: fix stream info output in /proc

Set some substream struct members to make the proc interface code work
again.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Reported-by: Felix Homann <linuxaudio@showlabor.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
12 years agoMerge branch 'topic/asoc' into for-linus
Takashi Iwai [Mon, 21 May 2012 10:45:18 +0000 (12:45 +0200)]
Merge branch 'topic/asoc' into for-linus

12 years agoALSA: pcm - Add proper state checks to snd_pcm_drain()
Takashi Iwai [Mon, 21 May 2012 09:59:57 +0000 (11:59 +0200)]
ALSA: pcm - Add proper state checks to snd_pcm_drain()

The handling for some PCM states is missing for snd_pcm_drain().
At least, XRUN streams should be simply dropped to SETUP, and a few
initial invalid states should be rejected.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
12 years agoALSA: sh: Fix up namespace collision in sh_dac_audio.
Paul Mundt [Mon, 21 May 2012 09:21:54 +0000 (18:21 +0900)]
ALSA: sh: Fix up namespace collision in sh_dac_audio.

The module_platform_driver() conversion ended up tripping over the driver
name, leading to confusion in the macro with regards to 'driver' being
redefined. rename it to something slightly more suitable to avoid
namespace collisions.

sound/sh/sh_dac_audio.c:444:122: error: conflicting types for 'driver_init'
include/linux/device.h:773:6: note: previous declaration of 'driver_init' was here
make[3]: *** [sound/sh/sh_dac_audio.o] Error 1

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
12 years agoALSA: hda/realtek - Fix unused variable compile warning
Takashi Iwai [Mon, 21 May 2012 01:07:42 +0000 (03:07 +0200)]
ALSA: hda/realtek - Fix unused variable compile warning

Signed-off-by: Takashi Iwai <tiwai@suse.de>
12 years agoASoC: sh: fsi: enable chip specific data transfer mode
Kuninori Morimoto [Fri, 18 May 2012 00:36:47 +0000 (17:36 -0700)]
ASoC: sh: fsi: enable chip specific data transfer mode

SupherH FSI2 can use special data transfer,
but it depends on CPU-FSI2 connection style.

We can use 16bit data stream mode if it was valid connection,
and it is required for 16bit data DMA transfer / SPDIF sound output.
We can use 24bit data transfer if it was invalid connection.

We can select connection type if CPU is SH7372,
and it is always valid connection if latest SuperH.

This patch adds new bus_option and fsi_bus_setup()
for supporting these feature.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
12 years agoASoC: sh: fsi: call fsi_hw_startup/shutdown from fsi_dai_trigger()
Kuninori Morimoto [Fri, 18 May 2012 00:35:34 +0000 (17:35 -0700)]
ASoC: sh: fsi: call fsi_hw_startup/shutdown from fsi_dai_trigger()

fsi_hw_startup/shutdown() needs the setup of bus width,
but it is impossible to get parameter of snd_pcm_runtime at this timing.
So, these functions are changed so that be called from fsi_dai_trigger().

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
12 years agoASoC: sh: fsi: use same format for IN/OUT
Kuninori Morimoto [Fri, 18 May 2012 00:34:53 +0000 (17:34 -0700)]
ASoC: sh: fsi: use same format for IN/OUT

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
12 years agoASoC: sh: fsi: add fsi_version() and removed meaningless version check
Kuninori Morimoto [Fri, 18 May 2012 00:34:16 +0000 (17:34 -0700)]
ASoC: sh: fsi: add fsi_version() and removed meaningless version check

This patch adds fsi_version() function for accessing version.

And there were some meaningless version check which never hit.
This patch removed it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
12 years agoASoC: sh: fsi: use register field macro name on IN/OUT_DMAC
Kuninori Morimoto [Fri, 18 May 2012 00:33:49 +0000 (17:33 -0700)]
ASoC: sh: fsi: use register field macro name on IN/OUT_DMAC

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
12 years agoASoC: tegra: Add machine driver for WM8753 codec
Stephen Warren [Thu, 17 May 2012 22:59:51 +0000 (16:59 -0600)]
ASoC: tegra: Add machine driver for WM8753 codec

One such machine is Whistler.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
12 years agoALSA: hda - Fix possible races of accesses to connection list array
Takashi Iwai [Sat, 19 May 2012 15:21:25 +0000 (17:21 +0200)]
ALSA: hda - Fix possible races of accesses to connection list array

Like the previous fixes for cache hash accesses, a protection over
accesses to the widget connection list array must be provided.
Together with this action, remove snd_hda_get_conn_list() which can be
always race, and replace it with either snd_hda_get_num_conns() or
snd_hda_get_connections() calls.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
12 years agoASoC: OMAP: HDMI: Introduce codec
Ricardo Neri [Fri, 18 May 2012 06:42:33 +0000 (01:42 -0500)]
ASoC: OMAP: HDMI: Introduce codec

Introduce codec for HDMI. At the moment, this is a dummy codec. In the
future it will parse the EDID to modify the supported parameters, such
as the number of channels and the sample rates. At the moment, it blindly
supports all the sample rates and audio channels described in the HDMI
1.4a specification.

Signed-off-by: Ricardo Neri <ricardo.neri@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
12 years agoARM: mx31_3ds: Add sound support
Philippe Rétornaz [Tue, 15 May 2012 16:42:26 +0000 (18:42 +0200)]
ARM: mx31_3ds: Add sound support

Signed-off-by: Philippe Rétornaz <philippe.retornaz@epfl.ch>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
12 years agoASoC: imx-mc13783 cleanup
Philippe Rétornaz [Wed, 16 May 2012 10:48:24 +0000 (12:48 +0200)]
ASoC: imx-mc13783 cleanup

Signed-off-by: Philippe Rétornaz <philippe.retornaz@epfl.ch>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
12 years agomx31moboard: Add sound support
Philippe Rétornaz [Tue, 15 May 2012 11:53:52 +0000 (13:53 +0200)]
mx31moboard: Add sound support

Signed-off-by: Philippe Rétornaz <philippe.retornaz@epfl.ch>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
12 years agoASoC: mc13783 codec cleanups
Philippe Rétornaz [Wed, 16 May 2012 10:49:19 +0000 (12:49 +0200)]
ASoC: mc13783 codec cleanups

Signed-off-by: Philippe Rétornaz <philippe.retornaz@epfl.ch>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
12 years agoASoC: add imx-mc13783 sound support
Philippe Rétornaz [Tue, 15 May 2012 11:53:51 +0000 (13:53 +0200)]
ASoC: add imx-mc13783 sound support

Signed-off-by: Philippe Rétornaz <philippe.retornaz@epfl.ch>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
12 years agoASoC: Add mc13783 codec
Philippe Rétornaz [Tue, 15 May 2012 11:53:50 +0000 (13:53 +0200)]
ASoC: Add mc13783 codec

Signed-off-by: Philippe Rétornaz <philippe.retornaz@epfl.ch>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
12 years agomfd: mc13xxx: add codec platform data
Philippe Rétornaz [Tue, 15 May 2012 11:53:49 +0000 (13:53 +0200)]
mfd: mc13xxx: add codec platform data

Signed-off-by: Philippe Rétornaz <philippe.retornaz@epfl.ch>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
12 years agoASoC: don't flip master of DT-instantiated DAI links
Stephen Warren [Mon, 14 May 2012 20:47:22 +0000 (14:47 -0600)]
ASoC: don't flip master of DT-instantiated DAI links

Commit 4924082 "ASoC: core: Flip master for CODECs in the CPU slot of a
CODEC<->CODEC link" added code that was conditional on there being no
PCM/DMA driver for the link. However, it failed to cover the case where
the link was instantiated from device tree, and hence was specified by
DT node rather than name.

This prevents the following error on Toshiba AC100:
aplay: pcm_write:1603: write error: Input/output error

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
12 years agoMerge tag 'asoc-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound...
Takashi Iwai [Tue, 15 May 2012 19:05:45 +0000 (21:05 +0200)]
Merge tag 'asoc-3.4' of git://git./linux/kernel/git/broonie/sound into for-linus

ASoC: Last minute fixes

Some last minute fixes for ASoC.  Small, focused changes to specific
drivers.

12 years agoASoC: wm8994: Fix AIF2ADC power down
Mark Brown [Tue, 15 May 2012 17:13:00 +0000 (18:13 +0100)]
ASoC: wm8994: Fix AIF2ADC power down

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
12 years agoALSA: hda/idt - Cache the power-map bits
Takashi Iwai [Tue, 15 May 2012 07:11:36 +0000 (09:11 +0200)]
ALSA: hda/idt - Cache the power-map bits

For avoiding unnecessary codec read/write verbs at each jack detection.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
12 years agoALSA: hda/idt - Clean up power-map check code
Takashi Iwai [Tue, 15 May 2012 07:02:26 +0000 (09:02 +0200)]
ALSA: hda/idt - Clean up power-map check code

Turn off the power-map for unused ports and check the jack-detection
capability in the first place.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
12 years agoMerge branch 'fix/hda' into topic/hda
Takashi Iwai [Tue, 15 May 2012 06:58:49 +0000 (08:58 +0200)]
Merge branch 'fix/hda' into topic/hda

12 years agoALSA: hda - Evaluate gpio_led hints at the right moment
Takashi Iwai [Mon, 14 May 2012 14:52:00 +0000 (16:52 +0200)]
ALSA: hda - Evaluate gpio_led hints at the right moment

The hints regarding the mute-LED must be evaluated during the codec
parsing.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
12 years agoALSA: usb-audio - Call get_min_max_*() after determining the name string
Takashi Iwai [Mon, 14 May 2012 15:11:06 +0000 (17:11 +0200)]
ALSA: usb-audio - Call get_min_max_*() after determining the name string

get_min_max_with_quirks() must be called after the control id name
string is determined, but the current code changes the id name string
after calling the function.

Reported-by: Christian Melki <christian.melki@ericsson.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
12 years agoALSA: hda - add probe_mask=0x101 automatically for WinFast VP200 H
Jaroslav Kysela [Thu, 26 Apr 2012 15:52:35 +0000 (17:52 +0200)]
ALSA: hda - add probe_mask=0x101 automatically for WinFast VP200 H

This patch just sets the codec probe_mask=0x101 value for the WinFast VP200 H
PCoIP card based on Teradici hardware matching the PCI subsystem vendor/device
IDs 3a21:040d. The user reported no codec detection issues without this
explicit codec configuration.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
12 years agoALSA: snd-aloop - improve the sample copy accurracy
Jaroslav Kysela [Sun, 13 May 2012 11:39:45 +0000 (13:39 +0200)]
ALSA: snd-aloop - improve the sample copy accurracy

Maintain both streams (playback, capture) synchronized. Previous code
didn't take in account the small byte count drifts caused by the irq
position rounding.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
12 years agoALSA: hda/idt - Fix power-map for speaker-pins with some HP laptops
Takashi Iwai [Tue, 15 May 2012 06:07:31 +0000 (08:07 +0200)]
ALSA: hda/idt - Fix power-map for speaker-pins with some HP laptops

BIOS on some HP laptops don't set the speaker-pins as fixed but expose
as jacks, and this confuses the driver as if these pins are
jack-detectable.  As a result, the machine doesn't get sounds from
speakers because the driver prepares the power-map update via jack
unsol events which never come up in reality.  The bug was introduced
in some time in 3.2 for enabling the power-mapping feature.

This patch fixes the problem by replacing the check of the persistent
power-map bits with a proper is_jack_detectable() call.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=43240

Cc: <stable@vger.kernel.org> [v3.2+]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
12 years agoASoC: wm8350: Remove direct usage of codec->control_data
Mark Brown [Mon, 30 Apr 2012 19:26:15 +0000 (20:26 +0100)]
ASoC: wm8350: Remove direct usage of codec->control_data

Supports regmap conversion.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
12 years agoASoC: tlv320aic3x: Remove unused, non-standard headset detection
Mark Brown [Sun, 13 May 2012 13:25:25 +0000 (14:25 +0100)]
ASoC: tlv320aic3x: Remove unused, non-standard headset detection

aic3x_set_headset_detection() isn't made available outside the driver or
referenced within the driver which sparse notices and complains about.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
12 years agoALSA: firewire-lib: optimize packet flushing
Clemens Ladisch [Sun, 13 May 2012 17:07:22 +0000 (19:07 +0200)]
ALSA: firewire-lib: optimize packet flushing

Trying to flush completed packets is pointless when the pointer
callback was called from the packet completion callback; avoid it.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
12 years agoALSA: firewire-lib: flush completed packets when reading PCM position
Clemens Ladisch [Sun, 13 May 2012 16:49:14 +0000 (18:49 +0200)]
ALSA: firewire-lib: flush completed packets when reading PCM position

By flushing all completed but not yet reported packets before reading
the PCM hardware position, the granularity of the pointer is improved
from the interrupt interval to the packet size.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
12 years agoALSA: firewire-lib: taskletize the snd_pcm_period_elapsed() call
Clemens Ladisch [Sun, 13 May 2012 20:03:09 +0000 (22:03 +0200)]
ALSA: firewire-lib: taskletize the snd_pcm_period_elapsed() call

The following patch might introduce this call chain:
  PCM .pointer callback
  + fw_iso_context_flush_completions
    + packet callback
      + snd_pcm_period_elapsed
        + PCM .pointer callback
Recursive calls to the pointer callback are not possible due to the PCM
group locking, so avoid this by moving the period notification into
a separate tasklet.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
12 years agoASoC: wm8350: Don't use irq_base
Mark Brown [Sun, 13 May 2012 22:50:01 +0000 (23:50 +0100)]
ASoC: wm8350: Don't use irq_base

In preparation for irq_domain support change the code to the not switch
based on the irq number. This actually makes things simpler, if slightly
repetitive.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
12 years agoASoC: max98095: Single bit bitfields should be unsigned
Mark Brown [Sun, 13 May 2012 22:29:35 +0000 (23:29 +0100)]
ASoC: max98095: Single bit bitfields should be unsigned

There's no space for the sign bit.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
12 years agoASoC: lm49453: Fix author e-mail address
Mark Brown [Sun, 13 May 2012 22:30:06 +0000 (23:30 +0100)]
ASoC: lm49453: Fix author e-mail address

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
12 years agoASoC: lm49453: Staticise non-exported symbol lm45453_dai
Mark Brown [Sun, 13 May 2012 22:27:07 +0000 (23:27 +0100)]
ASoC: lm49453: Staticise non-exported symbol lm45453_dai

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
12 years agoMerge tag 'v3.4-rc7' into for-3.5
Mark Brown [Sun, 13 May 2012 12:32:54 +0000 (13:32 +0100)]
Merge tag 'v3.4-rc7' into for-3.5

Linux 3.4-rc7

Conflicts):
drivers/base/regmap/regmap.c         (overlap with bug fixes)
sound/soc/blackfin/bf5xx-ssm2602.c   (overlap with bug fixes)

12 years agoLinux 3.4-rc7
Linus Torvalds [Sun, 13 May 2012 01:37:47 +0000 (18:37 -0700)]
Linux 3.4-rc7

.. and this should hopefully be the last -rc before final 3.4 release.

12 years agoMerge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm...
Linus Torvalds [Sun, 13 May 2012 00:27:41 +0000 (17:27 -0700)]
Merge tag 'fixes-for-linus' of git://git./linux/kernel/git/arm/arm-soc

Pull ARM: SoC fixes from Olof Johansson:
 "I was hoping to be done with fixes for 3.4 but we got two branches
  from subarch maintainers the last couple of days.  So here is one
  last(?) pull request for arm-soc containing 7 patches:

   - Five of them are for shmobile dealing with SMP setup and compile
     failures
   - The remaining two are for regressions on the Samsung platforms"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: EXYNOS: fix ctrlbit for exynos5_clk_pdma1
  ARM: EXYNOS: use s5p-timer for UniversalC210 board
  ARM / mach-shmobile: Invalidate caches when booting secondary cores
  ARM / mach-shmobile: sh73a0 SMP TWD boot regression fix
  ARM / mach-shmobile: r8a7779 SMP TWD boot regression fix
  ARM: mach-shmobile: convert ag5evm to use the generic MMC GPIO hotplug helper
  ARM: mach-shmobile: convert mackerel to use the generic MMC GPIO hotplug helper

12 years agoMerge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6
Linus Torvalds [Sun, 13 May 2012 00:24:29 +0000 (17:24 -0700)]
Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6

Pull a few more GPIO bug fixes from Grant Likely:
 "Oops, missed a couple.  Here's an updated pull req for GPIO"

A set of PCH bug fixes, and one patch to fix up compile warnings

* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6:
  gpio/exynos: Fix compiler warnings when non-exynos machines are selected
  gpio: pch9: Use proper flow type handlers

12 years agoMerge branch 'v3.4-samsung-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel...
Olof Johansson [Sat, 12 May 2012 22:41:22 +0000 (15:41 -0700)]
Merge branch 'v3.4-samsung-fixes-5' of git://git./linux/kernel/git/kgene/linux-samsung into fixes

* 'v3.4-samsung-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: EXYNOS: fix ctrlbit for exynos5_clk_pdma1
  ARM: EXYNOS: use s5p-timer for UniversalC210 board

12 years agoARM: EXYNOS: fix ctrlbit for exynos5_clk_pdma1
Kukjin Kim [Sat, 12 May 2012 07:45:47 +0000 (16:45 +0900)]
ARM: EXYNOS: fix ctrlbit for exynos5_clk_pdma1

It should be (1 << 2) for ctrlbit of exynos5_clk_pdma1.

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
12 years agoARM: EXYNOS: use s5p-timer for UniversalC210 board
Marek Szyprowski [Fri, 11 May 2012 21:17:59 +0000 (06:17 +0900)]
ARM: EXYNOS: use s5p-timer for UniversalC210 board

Commit 069d4e743 ("ARM: EXYNOS4: Remove clock event timers using
ARM private timers") removed support for local timers and forced
to use MCT as event source. However MCT is not operating properly
on early revision of EXYNOS4 SoCs. All UniversalC210 boards are
based on it, so that commit broke support for it. This patch
provides a workaround that enables UniversalC210 boards to boot
again. s5p-timer is used as an event source, it works only for
non-SMP builds.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
12 years agoMerge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/renesas...
Olof Johansson [Sat, 12 May 2012 22:40:56 +0000 (15:40 -0700)]
Merge branch 'fixes' of git://git./linux/kernel/git/rafael/renesas into fixes

By Guennadi Liakhovetski (2) and others via Rafael J. Wysocki:
"[...] urgent fixes for Renesas ARM-based platforms.  Four of these
commits are fixes of regressions new in 3.4-rc and the last one is
necessary for SMP to work on those systems in general."

* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/renesas:
  ARM / mach-shmobile: Invalidate caches when booting secondary cores
  ARM / mach-shmobile: sh73a0 SMP TWD boot regression fix
  ARM / mach-shmobile: r8a7779 SMP TWD boot regression fix
  ARM: mach-shmobile: convert ag5evm to use the generic MMC GPIO hotplug helper
  ARM: mach-shmobile: convert mackerel to use the generic MMC GPIO hotplug helper

12 years agoARM / mach-shmobile: Invalidate caches when booting secondary cores
Magnus Damm [Wed, 9 May 2012 07:24:59 +0000 (16:24 +0900)]
ARM / mach-shmobile: Invalidate caches when booting secondary cores

Make sure L1 caches are invalidated when booting secondary
cores. Needed to boot all mach-shmobile SMP systems that
are using Cortex-A9 including sh73a0, r8a7779 and EMEV2.

Thanks to imx and tegra guys for actual code.

Signed-off-by: Magnus Damm <damm@opensource.se>
Tested-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
12 years agoARM / mach-shmobile: sh73a0 SMP TWD boot regression fix
Kuninori Morimoto [Thu, 10 May 2012 07:26:58 +0000 (00:26 -0700)]
ARM / mach-shmobile: sh73a0 SMP TWD boot regression fix

Fix SMP TWD boot regression on sh73a0 based platforms caused by:

4200b16 ARM: shmobile: convert to twd_local_timer_register() interface

After the merge of the above commit it has been impossible to boot
sh73a0 based SoCs with SMP enabled and CONFIG_HAVE_ARM_TWD=y. The
kernel crashes at smp_init_cpus() timing which is before the console
has been initialized, so to the user this looks like a kernel lock up
without any particular error message.

This patch fixes the regression on sh73a0 by moving the TWD
registration code from smp_init_cpus() to sys_timer->init() time.

This patch removed shmobile_twd_init() which is no longer needed

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
12 years agoARM / mach-shmobile: r8a7779 SMP TWD boot regression fix
Magnus Damm [Thu, 10 May 2012 05:57:22 +0000 (14:57 +0900)]
ARM / mach-shmobile: r8a7779 SMP TWD boot regression fix

Fix SMP TWD boot regression on r8a7779 based platforms caused by:

4200b16 ARM: shmobile: convert to twd_local_timer_register() interface

After the merge of the above commit it has been impossible to boot
r8a7779 based SoCs with SMP enabled and CONFIG_HAVE_ARM_TWD=y. The
kernel crashes at smp_init_cpus() timing which is before the console
has been initialized, so to the user this looks like a kernel lock up
without any particular error message.

This patch fixes the regression on r8a7779 by moving the TWD
registration code from smp_init_cpus() to sys_timer->init() time.

Signed-off-by: Magnus Damm <damm@opensource.se>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
12 years agoARM: mach-shmobile: convert ag5evm to use the generic MMC GPIO hotplug helper
Guennadi Liakhovetski [Mon, 16 Apr 2012 21:09:19 +0000 (23:09 +0200)]
ARM: mach-shmobile: convert ag5evm to use the generic MMC GPIO hotplug helper

This also fixes the following modular mmc build failure:

arch/arm/mach-shmobile/built-in.o: In function `mackerel_sdhi0_gpio_cd':
pfc-sh7372.c:(.text+0x1138): undefined reference to `mmc_detect_change'

on this platform by eliminating the use of an inline function, which
calls into the mmc core.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Reviewed-by: Simon Horman <horms@verge.net.au>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
12 years agoARM: mach-shmobile: convert mackerel to use the generic MMC GPIO hotplug helper
Guennadi Liakhovetski [Mon, 16 Apr 2012 21:09:13 +0000 (23:09 +0200)]
ARM: mach-shmobile: convert mackerel to use the generic MMC GPIO hotplug helper

This also fixes the following modular mmc build failure:

arch/arm/mach-shmobile/built-in.o: In function `ag5evm_sdhi0_gpio_cd':
pfc-sh73a0.c:(.text+0x7c0): undefined reference to `mmc_detect_change'

on this platform by eliminating the use of an inline function, which
calls into the mmc core.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Tested-by: Simon Horman <horms@verge.net.au>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
12 years agoMerge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Linus Torvalds [Sat, 12 May 2012 20:02:31 +0000 (13:02 -0700)]
Merge tag 'scsi-fixes' of git://git./linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "This is a set of minor qla and virto fixes plus one major regression
  fix (oops in all legacy host drivers)."

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  [SCSI] virtio_scsi: fix TMF use-after-free
  [SCSI] fix oops in all legacy host adapters caused by 6f381fa
  [SCSI] qla2xxx: Update version number to 8.04.00.03-k.
  [SCSI] qla2xxx: Properly check for current state after the fabric-login request.
  [SCSI] qla2xxx: Proper completion to scsi-ml for scsi status task_set_full and busy.
  [SCSI] qla2xxx: Block flash access from application when device is initialized for ISP82xx.
  [SCSI] qla2xxx: Fix reset time out as qla2xxx not ack to reset request.

12 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Linus Torvalds [Sat, 12 May 2012 19:57:01 +0000 (12:57 -0700)]
Merge git://git./linux/kernel/git/davem/net

Pull networking fixes from David S. Miller:

 1) Since we do RCU lookups on ipv4 FIB entries, we have to test if the
    entry is dead before returning it to our caller.

 2) openvswitch locking and packet validation fixes from Ansis Atteka,
    Jesse Gross, and Pravin B Shelar.

 3) Fix PM resume locking in IGB driver, from Benjamin Poirier.

 4) Fix VLAN header handling in vhost-net and macvtap, from Basil Gor.

 5) Revert a bogus network namespace isolation change that was causing
    regressions on S390 networking devices.

 6) If bonding decides to process and handle a LACPDU frame, we
    shouldn't bump the rx_dropped counter.  From Jiri Bohac.

 7) Fix mis-calculation of available TX space in r8169 driver when doing
    TSO, which can lead to crashes and/or hung device.  From Julien
    Ducourthial.

 8) SCTP does not validate cached routes properly in all cases, from
    Nicolas Dichtel.

 9) Link status interrupt needs to be handled in ks8851 driver, from
    Stephen Boyd.

10) Use capable(), not cap_raised(), in connector/userns netlink code.
    From Eric W. Biederman via Andrew Morton.

11) Fix pktgen OOPS on module unload, from Eric Dumazet.

12) iwlwifi under-estimates SKB truesizes, also from Eric Dumazet.

13) Cure division by zero in SFC driver, from Ben Hutchings.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (26 commits)
  ks8851: Update link status during link change interrupt
  macvtap: restore vlan header on user read
  vhost-net: fix handle_rx buffer size
  bonding: don't increase rx_dropped after processing LACPDUs
  connector/userns: replace netlink uses of cap_raised() with capable()
  sctp: check cached dst before using it
  pktgen: fix crash at module unload
  Revert "net: maintain namespace isolation between vlan and real device"
  ehea: fix losing of NEQ events when one event occurred early
  igb: fix rtnl race in PM resume path
  ipv4: Do not use dead fib_info entries.
  r8169: fix unsigned int wraparound with TSO
  sfc: Fix division by zero when using one RX channel and no SR-IOV
  openvswitch: Validation of IPv6 set port action uses IPv4 header
  net: compare_ether_addr[_64bits]() has no ordering
  cdc_ether: Ignore bogus union descriptor for RNDIS devices
  bnx2x: bug fix when loading after SAN boot
  e1000: Silence sparse warnings by correcting type
  igb, ixgbe: netdev_tx_reset_queue incorrectly called from tx init path
  openvswitch: Release rtnl_lock if ovs_vport_cmd_build_info() failed.
  ...

12 years agoMerge tag 'dm-3.4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm
Linus Torvalds [Sat, 12 May 2012 19:56:08 +0000 (12:56 -0700)]
Merge tag 'dm-3.4-fixes' of git://git./linux/kernel/git/agk/linux-dm

Pull device-mapper fixes from Alasdair G Kergon:
 "Fix a couple of serious memory leaks in device-mapper thin
  provisioning and tidy its MODULE_DESCRIPTION.

  Mitigate occasional reported hangs associated with multipath scsi_dh
  module loading."

* tag 'dm-3.4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm:
  dm mpath: check if scsi_dh module already loaded before trying to load
  dm thin: correct module description
  dm thin: fix unprotected use of prepared_discards list
  dm thin: reinstate missing mempool_free in cell_release_singleton

12 years agoMAINTAINERS: Add myself as the cpufreq maintainer
Rafael J. Wysocki [Fri, 11 May 2012 19:35:45 +0000 (21:35 +0200)]
MAINTAINERS: Add myself as the cpufreq maintainer

Since cpufreq has no official maintainer at the moment, I'm willing
to maintain it along some other power management core code I've been
maintaining already.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
12 years agoASoC: wm8731: Convert to devm_ functions
Mark Brown [Sat, 12 May 2012 19:08:43 +0000 (20:08 +0100)]
ASoC: wm8731: Convert to devm_ functions

Use the devm_ versions of the regmap and memory allocation functions,
saving some error handling code.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
12 years agoASoC: wm5100: Convert to module_i2c_driver()
Mark Brown [Sat, 12 May 2012 12:00:29 +0000 (13:00 +0100)]
ASoC: wm5100: Convert to module_i2c_driver()

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
12 years agoASoC: littlemill: Use a widget to keep track of AIF2 clocking
Mark Brown [Sat, 12 May 2012 11:35:44 +0000 (12:35 +0100)]
ASoC: littlemill: Use a widget to keep track of AIF2 clocking

Since we only need to clock AIF2 when it's actively in use start up the
FLL for it using a supply widget which supplies AIF2CLK. This both makes
the sequencing more robust and ensures we minimise power consumption.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
12 years agoASoC: mxs: add device tree support for mxs-sgtl5000
Shawn Guo [Fri, 11 May 2012 14:24:18 +0000 (22:24 +0800)]
ASoC: mxs: add device tree support for mxs-sgtl5000

Add device tree probe for mxs-sgtl5000 machine driver.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
12 years agoASoC: mxs: add device tree support for mxs-saif
Shawn Guo [Fri, 11 May 2012 14:24:17 +0000 (22:24 +0800)]
ASoC: mxs: add device tree support for mxs-saif

Add device tree probe for mxs-saif driver.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
12 years agoASoC: mxs: mxs-pcm does not need to be a plaform_driver
Shawn Guo [Fri, 11 May 2012 14:24:16 +0000 (22:24 +0800)]
ASoC: mxs: mxs-pcm does not need to be a plaform_driver

Same as the commit 518de86 (ASoC: tegra: register 'platform' from DAIs,
get rid of pdev), it makes mxs-pcm not a platform_driver but helper to
register "platform", so that the platform_device for mxs-pcm can be
saved completely.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
12 years agoALSA: hda - Disable FLOAT format support
Takashi Iwai [Sat, 12 May 2012 07:38:05 +0000 (09:38 +0200)]
ALSA: hda - Disable FLOAT format support

It turned out that the FLOAT format on CS4206 results in simple
noises, which implies that this is no right format as is.
Since CS4206 is the only codec supporting the float, let's disable it
until we find the correct format.

Reported-and-tested-by: Adrian Knoth <adi@drcomp.erfurt.thur.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
12 years agoALSA: hda/conexant - Correct vendor IDs for new codecs
Takashi Iwai [Fri, 11 May 2012 06:39:24 +0000 (08:39 +0200)]
ALSA: hda/conexant - Correct vendor IDs for new codecs

Never trust datasheet...

Signed-off-by: Takashi Iwai <tiwai@suse.de>
12 years agodm mpath: check if scsi_dh module already loaded before trying to load
Mike Snitzer [Sat, 12 May 2012 00:43:21 +0000 (01:43 +0100)]
dm mpath: check if scsi_dh module already loaded before trying to load

If the requested scsi_dh module is already loaded then skip
request_module().

Multipath table loads can hang in an unnecessary __request_module.

Reported-by: Ben Marzinski <bmarzins@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
12 years agodm thin: correct module description
Alasdair G Kergon [Sat, 12 May 2012 00:43:19 +0000 (01:43 +0100)]
dm thin: correct module description

Remove duplicate copy of string "device-mapper" (DM_NAME) from
MODULE_DESCRIPTION.

Signed-off-by: Alasdair G Kergon <agk@redhat.com>
12 years agodm thin: fix unprotected use of prepared_discards list
Mike Snitzer [Sat, 12 May 2012 00:43:16 +0000 (01:43 +0100)]
dm thin: fix unprotected use of prepared_discards list

Fix two places in commit 104655fd4dce ("dm thin: support discards") that
didn't use pool->lock to protect against concurrent changes to the
prepared_discards list.

Without this fix, thin_endio() can race with process_discard(), leading
to concurrent list_add()s that result in the processes locking up with
an error like the following:

WARNING: at lib/list_debug.c:32 __list_add+0x8f/0xa0()
...
list_add corruption. next->prev should be prev (ffff880323b96140), but was ffff8801d2c48440. (next=ffff8801d2c485c0).
...
Pid: 17205, comm: kworker/u:1 Tainted: G        W  O 3.4.0-rc3.snitm+ #1
Call Trace:
 [<ffffffff8103ca1f>] warn_slowpath_common+0x7f/0xc0
 [<ffffffff8103cb16>] warn_slowpath_fmt+0x46/0x50
 [<ffffffffa04f6ce6>] ? bio_detain+0xc6/0x210 [dm_thin_pool]
 [<ffffffff8124ff3f>] __list_add+0x8f/0xa0
 [<ffffffffa04f70d2>] process_discard+0x2a2/0x2d0 [dm_thin_pool]
 [<ffffffffa04f6a78>] ? remap_and_issue+0x38/0x50 [dm_thin_pool]
 [<ffffffffa04f7c3b>] process_deferred_bios+0x7b/0x230 [dm_thin_pool]
 [<ffffffffa04f7df0>] ? process_deferred_bios+0x230/0x230 [dm_thin_pool]
 [<ffffffffa04f7e42>] do_worker+0x52/0x60 [dm_thin_pool]
 [<ffffffff81056fa9>] process_one_work+0x129/0x450
 [<ffffffff81059b9c>] worker_thread+0x17c/0x3c0
 [<ffffffff81059a20>] ? manage_workers+0x120/0x120
 [<ffffffff8105eabe>] kthread+0x9e/0xb0
 [<ffffffff814ceda4>] kernel_thread_helper+0x4/0x10
 [<ffffffff8105ea20>] ? kthread_freezable_should_stop+0x70/0x70
 [<ffffffff814ceda0>] ? gs_change+0x13/0x13
---[ end trace 7e0a523bc5e52692 ]---

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
12 years agodm thin: reinstate missing mempool_free in cell_release_singleton
Mike Snitzer [Sat, 12 May 2012 00:43:12 +0000 (01:43 +0100)]
dm thin: reinstate missing mempool_free in cell_release_singleton

Fix a significant memory leak inadvertently introduced during
simplification of cell_release_singleton() in commit
6f94a4c45a6f744383f9f695dde019998db3df55 ("dm thin: fix stacked bi_next
usage").

A cell's hlist_del() must be accompanied by a mempool_free().
Use __cell_release() to do this, like before.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
12 years agogpio/exynos: Fix compiler warnings when non-exynos machines are selected
Sachin Kamat [Mon, 30 Apr 2012 06:52:48 +0000 (12:22 +0530)]
gpio/exynos: Fix compiler warnings when non-exynos machines are selected

Fixes the following compiler warnings:

drivers/gpio/gpio-samsung.c: In function ‘samsung_gpiolib_init’:
drivers/gpio/gpio-samsung.c:2980:1: warning: label ‘err_ioremap1’ defined but not used [-Wunused-label]
drivers/gpio/gpio-samsung.c:2978:1: warning: label ‘err_ioremap2’ defined but not used [-Wunused-label]
drivers/gpio/gpio-samsung.c:2976:1: warning: label ‘err_ioremap3’ defined but not used [-Wunused-label]
drivers/gpio/gpio-samsung.c:2974:1: warning: label ‘err_ioremap4’ defined but not used [-Wunused-label]
drivers/gpio/gpio-samsung.c:2722:55: warning: unused variable ‘gpio_base4’ [-Wunused-variable]

drivers/gpio/gpio-samsung.c:455:32: warning: ‘exynos_gpio_cfg’ defined but not used [-Wunused-variable]
drivers/gpio/gpio-samsung.c:2126:33: warning: ‘exynos4_gpios_1’ defined but not used [-Wunused-variable]
drivers/gpio/gpio-samsung.c:2228:33: warning: ‘exynos4_gpios_2’ defined but not used [-Wunused-variable]
drivers/gpio/gpio-samsung.c:2373:33: warning: ‘exynos4_gpios_3’ defined but not used [-Wunused-variable]

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
12 years agogpio: pch9: Use proper flow type handlers
Thomas Gleixner [Sat, 28 Apr 2012 08:13:45 +0000 (10:13 +0200)]
gpio: pch9: Use proper flow type handlers

Jean-Francois Dagenais reported:

 Configuring a gpio pin with the gpio-pch driver with
 "IRQF_TRIGGER_LOW | IRQF_ONESHOT" generates an interrupt storm for
 threaded ISR until the ISR thread actually gets to physically clear
 the interrupt on the triggering chip!! The immediate observable
 symptom is the high CPU usage for my ISR thread task and the
 interrupt count in /proc/interrupts incrementing radically.

The driver is wrong in several ways:

1) Using handle_simple_irq() does not provide proper flow control
   handling. In the case of oneshot threaded handlers for the
   demultiplexed interrupts this results in an interrupt storm because
   the simple handler does not deal with masking/unmasking.  Even
   without threaded oneshot handlers an interrupt storm for level type
   interrupts can easily be triggered when the interrupt is disabled
   and the interrupt line is activated from the device.

2) Acknowlegding the demultiplexed interrupt before calling the
   handler is wrong for level type interrupts.

3) The set_type function unconditionally enables the interrupt. It's
   supposed to set the type and nothing else. The unmasking is done by
   the core code.

Move the acknowledge code into a separate function and add it to the
demux irqchip callbacks.

Remove the unconditional enabling from the set_type() callback and set
the proper flow handlers depending on the selected type (level/edge).

Reported-and-tested-by: Jean-Francois Dagenais <jeff.dagenais@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
12 years agoMerge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6
Linus Torvalds [Fri, 11 May 2012 23:59:07 +0000 (16:59 -0700)]
Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6

Pull GPIO omap bug fix from Grant Likely.

* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6:
  gpio/omap: fix incorrect initialization of omap_gpio_mod_init

12 years agoMerge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Linus Torvalds [Fri, 11 May 2012 23:58:14 +0000 (16:58 -0700)]
Merge branch 'merge' of git://git./linux/kernel/git/benh/powerpc

Pull another powerpc irq fix from Benjamin Herrenschmidt:
 "It looks like my previous fix for the lazy irq masking problem wasn't
  quite enough.  There was another problem related to performance
  monitor interrupts acting as NMIs leaving the flags in an incorrect
  state.  Here's a fix that finally seems to make perf solid again."

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc/irq: Fix another case of lazy IRQ state getting out of sync

12 years agoMerge branch '3.4-urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target...
Linus Torvalds [Fri, 11 May 2012 23:49:09 +0000 (16:49 -0700)]
Merge branch '3.4-urgent' of git://git./linux/kernel/git/nab/target-pending

Pull target fix from Nicholas Bellinger:
 "This patch removes some incorrect legacy code to free se_lun_acl
  memory in the NodeACL release path that could potentially trigger an
  OOPS during shutdown once dynamic -> explicit initiator NodeACL
  conversion has occurred.

  That said, we've been able to trigger an OOPS in v4.0 code for this
  special case when the associated MappedLUNs had not also been made
  explicit based on active TPG LUN layout during the conversion, so it
  really makes senses to go ahead and drop this extra cruft to avoid any
  possible issues here.

  This ends up only effecting iscsi-target module code (it's the only
  user) and is CC'ed to stable."

* '3.4-urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
  target: Drop incorrect se_lun_acl release for dynamic -> explict ACL conversion

12 years agopowerpc/irq: Fix another case of lazy IRQ state getting out of sync
Benjamin Herrenschmidt [Thu, 10 May 2012 16:12:38 +0000 (16:12 +0000)]
powerpc/irq: Fix another case of lazy IRQ state getting out of sync

So we have another case of paca->irq_happened getting out of
sync with the HW irq state. This can happen when a perfmon
interrupt occurs while soft disabled, as it will return to a
soft disabled but hard enabled context while leaving a stale
PACA_IRQ_HARD_DIS flag set.

This patch fixes it, and also adds a test for the condition
of those flags being out of sync in arch_local_irq_restore()
when CONFIG_TRACE_IRQFLAGS is enabled.

This helps catching those gremlins faster (and so far I
can't seem see any anymore, so that's good news).

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
12 years agoks8851: Update link status during link change interrupt
Stephen Boyd [Thu, 10 May 2012 12:51:30 +0000 (12:51 +0000)]
ks8851: Update link status during link change interrupt

If a link change interrupt comes in we just clear the interrupt
and continue along without notifying the upper networking layers
that the link has changed. Use the mii_check_link() function to
update the link status whenever a link change interrupt occurs.

Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agomacvtap: restore vlan header on user read
Basil Gor [Thu, 3 May 2012 22:55:24 +0000 (22:55 +0000)]
macvtap: restore vlan header on user read

Ethernet vlan header is not on the packet and kept in the skb->vlan_tci
when it comes from lower dev. This patch inserts vlan header in user
buffer during skb copy on user read.

Signed-off-by: Basil Gor <basil.gor@gmail.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agovhost-net: fix handle_rx buffer size
Basil Gor [Thu, 3 May 2012 22:55:23 +0000 (22:55 +0000)]
vhost-net: fix handle_rx buffer size

Take vlan header length into account, when vlan id is stored as
vlan_tci. Otherwise tagged packets coming from macvtap will be
truncated.

Signed-off-by: Basil Gor <basil.gor@gmail.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agotarget: Drop incorrect se_lun_acl release for dynamic -> explict ACL conversion
Nicholas Bellinger [Fri, 11 May 2012 05:05:49 +0000 (22:05 -0700)]
target: Drop incorrect se_lun_acl release for dynamic -> explict ACL conversion

This patch removes some potentially problematic legacy code within
core_clear_initiator_node_from_tpg() that was originally intended to
release left over se_lun_acl setup during dynamic NodeACL+MappedLUN
generate when running with TPG demo-mode operation.

Since we now only ever expect to allocate and release se_lun_acl from
within target_core_fabric_configfs.c:target_fabric_make_mappedlun() and
target_fabric_drop_mappedlun() context respectively, this code for
demo-mode release is incorrect and needs to be removed.

Cc: Christoph Hellwig <hch@lst.de>
Cc: Andy Grover <agrover@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
12 years agoASoC: fsl: fix the binding of imx-sgtl5000
Shawn Guo [Fri, 11 May 2012 14:44:23 +0000 (22:44 +0800)]
ASoC: fsl: fix the binding of imx-sgtl5000

The sgtl5000 data sheet does not particularly mention that the Mic Bias
will internally supplies to MIC_IN, so fix the example in imx-sgtl5000
binding document to have a better reflection of the actual circuit.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
12 years agoASoC: cs42l73: Sync digital mixer kcontrols to allow for 0dB
Brian Austin [Fri, 11 May 2012 17:54:45 +0000 (12:54 -0500)]
ASoC: cs42l73: Sync digital mixer kcontrols to allow for 0dB

Some of the Digital mixer kcontrol max values were off by 1 not allowing a max of 0dB.

Signed-off-by: Brian Austin <brian.austin@cirrus.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
12 years agoALSA: usb-audio: Fix comment
Mark Hills [Fri, 11 May 2012 17:31:55 +0000 (18:31 +0100)]
ALSA: usb-audio: Fix comment

Explained by Takashi in <s5hfwbtmz0q.wl%tiwai@suse.de>

> The reason is because get_min_max*() isn't called in the place you
> created these controls, and get_min_max() would be called only for
> integer volumes later even if uninitialized.  A short cut for booleans.

Signed-off-by: Mark Hills <mark@pogo.org.uk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
12 years agoALSA: pcm - Optimize the call of snd_pcm_update_hw_ptr() in read/write loop
Takashi Iwai [Fri, 11 May 2012 15:50:49 +0000 (17:50 +0200)]
ALSA: pcm - Optimize the call of snd_pcm_update_hw_ptr() in read/write loop

In the PCM read/write loop, the driver calls snd_pcm_update_hw_ptr()
at each time at the beginning of the loop.  Russell King reported that
this hogs CPU significantly.

The current code assumes that the pointer callback is very fast and
cheap, also not too much fine grained.  It's not true in all cases.
When the pointer advances short samples while the read/write copy has
been performed, the driver updates the hw_ptr and gets avail > 0
again.  Then it tries to read/write these small chunks.  This repeats
until the avail really gets to zero.

For avoiding this situation, a simple workaround is to call
snd_pcm_update_hw_ptr() only once at starting the loop, assuming that
the read/write copy is performed fast enough.  If the available count
becomes short, it goes to snd_pcm_wait_avail() anyway, and this
processes right.

Tested-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
12 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
Linus Torvalds [Fri, 11 May 2012 16:28:35 +0000 (09:28 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/gerg/m68knommu

Pull a m68knommu fix from Greg Ungerer:
 "It contains a single fix for including the ColdFire QSPI interface
  setup code when enabled as a module.  This was broken in the
  consolidation of the ColdFire SoC device tables in the 3.4 merge
  window."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
  m68knommu: enable qspi support when SPI_COLDFIRE_QSPI = m

12 years agomm: raise MemFree by reverting percpu_pagelist_fraction to 0
Hugh Dickins [Fri, 11 May 2012 08:00:07 +0000 (01:00 -0700)]
mm: raise MemFree by reverting percpu_pagelist_fraction to 0

Why is there less MemFree than there used to be?  It perturbed a test,
so I've just been bisecting linux-next, and now find the offender went
upstream yesterday.

Commit 93278814d359 "mm: fix division by 0 in percpu_pagelist_fraction()"
mistakenly initialized percpu_pagelist_fraction to the sysctl's minimum 8,
which leaves 1/8th of memory on percpu lists (on each cpu??); but most of
us expect it to be left unset at 0 (and it's not then used as a divisor).

  MemTotal: 8061476kB  8061476kB  8061476kB  8061476kB  8061476kB  8061476kB
  Repetitive test with percpu_pagelist_fraction 8:
  MemFree:  6948420kB  6237172kB  6949696kB  6840692kB  6949048kB  6862984kB
  Same test with percpu_pagelist_fraction back to 0:
  MemFree:  7945000kB  7944908kB  7948568kB  7949060kB  7948796kB  7948812kB

Signed-off-by: Hugh Dickins <hughd@google.com>
[ We really should fix the crazy sysctl interface too, but that's a
  separate thing - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
12 years agoALSA: atmel/ac97c: correct the unexpected behavior when using uninitial value for...
Bo Shen [Fri, 11 May 2012 09:39:28 +0000 (17:39 +0800)]
ALSA: atmel/ac97c: correct the unexpected behavior when using uninitial value for reset pin

When pdata->reset_pin is passed with a negative value (means gpio
is invalid), then chip->reset_pin will not be assigned to a vaule,
it will use default value 0. This will cause unexpected behavior.

So, add this patch to correct.

Signed-off-by: Bo Shen <voice.shen@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
12 years agobonding: don't increase rx_dropped after processing LACPDUs
Jiri Bohac [Wed, 9 May 2012 01:01:40 +0000 (01:01 +0000)]
bonding: don't increase rx_dropped after processing LACPDUs

Since commit 3aba891d, bonding processes LACP frames (802.3ad
mode) with bond_handle_frame(). Currently a copy of the skb is
made and the original is left to be processed by other
rx_handlers and the rest of the network stack by returning
RX_HANDLER_ANOTHER.  As there is no protocol handler for
PKT_TYPE_LACPDU, the frame is dropped and dev->rx_dropped
increased.

Fix this by making bond_handle_frame() return RX_HANDLER_CONSUMED
if bonding has processed the LACP frame.

Signed-off-by: Jiri Bohac <jbohac@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agoconnector/userns: replace netlink uses of cap_raised() with capable()
Eric W. Biederman [Fri, 4 May 2012 11:34:03 +0000 (11:34 +0000)]
connector/userns: replace netlink uses of cap_raised() with capable()

In 2009 Philip Reiser notied that a few users of netlink connector
interface needed a capability check and added the idiom
cap_raised(nsp->eff_cap, CAP_SYS_ADMIN) to a few of them, on the premise
that netlink was asynchronous.

In 2011 Patrick McHardy noticed we were being silly because netlink is
synchronous and removed eff_cap from the netlink_skb_params and changed
the idiom to cap_raised(current_cap(), CAP_SYS_ADMIN).

Looking at those spots with a fresh eye we should be calling
capable(CAP_SYS_ADMIN).  The only reason I can see for not calling capable
is that it once appeared we were not in the same task as the caller which
would have made calling capable() impossible.

In the initial user_namespace the only difference between between
cap_raised(current_cap(), CAP_SYS_ADMIN) and capable(CAP_SYS_ADMIN) are a
few sanity checks and the fact that capable(CAP_SYS_ADMIN) sets
PF_SUPERPRIV if we use the capability.

Since we are going to be using root privilege setting PF_SUPERPRIV seems
the right thing to do.

The motivation for this that patch is that in a child user namespace
cap_raised(current_cap(),...) tests your capabilities with respect to that
child user namespace not capabilities in the initial user namespace and
thus will allow processes that should be unprivielged to use the kernel
services that are only protected with cap_raised(current_cap(),..).

To fix possible user_namespace issues and to just clean up the code
replace cap_raised(current_cap(), CAP_SYS_ADMIN) with
capable(CAP_SYS_ADMIN).

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Cc: Patrick McHardy <kaber@trash.net>
Cc: Philipp Reisner <philipp.reisner@linbit.com>
Acked-by: Serge E. Hallyn <serge.hallyn@canonical.com>
Acked-by: Andrew G. Morgan <morgan@kernel.org>
Cc: Vasiliy Kulikov <segoon@openwall.com>
Cc: David Howells <dhowells@redhat.com>
Reviewed-by: James Morris <james.l.morris@oracle.com>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agosctp: check cached dst before using it
Nicolas Dichtel [Fri, 4 May 2012 05:24:54 +0000 (05:24 +0000)]
sctp: check cached dst before using it

dst_check() will take care of SA (and obsolete field), hence
IPsec rekeying scenario is taken into account.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Acked-by: Vlad Yaseivch <vyasevich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agopktgen: fix crash at module unload
Eric Dumazet [Wed, 9 May 2012 13:29:51 +0000 (13:29 +0000)]
pktgen: fix crash at module unload

commit 7d3d43dab4e9 (net: In unregister_netdevice_notifier unregister
the netdevices.) makes pktgen crashing at module unload.

[  296.820578] BUG: spinlock bad magic on CPU#6, rmmod/3267
[  296.820719]  lock: ffff880310c38000, .magic: ffff8803, .owner: <none>/-1, .owner_cpu: -1
[  296.820943] Pid: 3267, comm: rmmod Not tainted 3.4.0-rc5+ #254
[  296.821079] Call Trace:
[  296.821211]  [<ffffffff8168a715>] spin_dump+0x8a/0x8f
[  296.821345]  [<ffffffff8168a73b>] spin_bug+0x21/0x26
[  296.821507]  [<ffffffff812b4741>] do_raw_spin_lock+0x131/0x140
[  296.821648]  [<ffffffff8169188e>] _raw_spin_lock+0x1e/0x20
[  296.821786]  [<ffffffffa00cc0fd>] __pktgen_NN_threads+0x4d/0x140 [pktgen]
[  296.821928]  [<ffffffffa00ccf8d>] pktgen_device_event+0x10d/0x1e0 [pktgen]
[  296.822073]  [<ffffffff8154ed4f>] unregister_netdevice_notifier+0x7f/0x100
[  296.822216]  [<ffffffffa00d2a0b>] pg_cleanup+0x48/0x73 [pktgen]
[  296.822357]  [<ffffffff8109528e>] sys_delete_module+0x17e/0x2a0
[  296.822502]  [<ffffffff81699652>] system_call_fastpath+0x16/0x1b

Hold the pktgen_thread_lock while splicing pktgen_threads, and test
pktgen_exiting in pktgen_device_event() to make unload faster.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agoRevert "net: maintain namespace isolation between vlan and real device"
David S. Miller [Fri, 11 May 2012 03:03:34 +0000 (23:03 -0400)]
Revert "net: maintain namespace isolation between vlan and real device"

This reverts commit 8a83a00b0735190384a348156837918271034144.

It causes regressions for S390 devices, because it does an
unconditional DST drop on SKBs for vlans and the QETH device
needs the neighbour entry hung off the DST for certain things
on transmit.

Arnd can't remember exactly why he even needed this change.

Conflicts:

drivers/net/macvlan.c
net/8021q/vlan_dev.c
net/core/dev.c

Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agoehea: fix losing of NEQ events when one event occurred early
Thadeu Lima de Souza Cascardo [Thu, 10 May 2012 04:00:53 +0000 (04:00 +0000)]
ehea: fix losing of NEQ events when one event occurred early

The NEQ interrupt is only triggered when there was no previous pending
interrupt. If we request irq handling after an interrupt has occurred,
we will never get an interrupt until we call H_RESET_EVENTS.

Events seem to be cleared when we first register the NEQ. So, when we
requested irq handling right after registering it, a possible race with
an interrupt was much less likely. Now, there is a chance we may lose
this race and never get any events.

The fix here is to poll and acknowledge any events that might have
happened right after registering the irq handler.

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agoigb: fix rtnl race in PM resume path
Benjamin Poirier [Thu, 10 May 2012 15:38:37 +0000 (15:38 +0000)]
igb: fix rtnl race in PM resume path

Since the caller (PM resume code) is not the one holding rtnl, when taking the
'else' branch rtnl may be released at any moment, thereby defeating the whole
purpose of this code block.

Signed-off-by: Benjamin Poirier <bpoirier@suse.de>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agoipv4: Do not use dead fib_info entries.
David S. Miller [Fri, 11 May 2012 02:16:32 +0000 (22:16 -0400)]
ipv4: Do not use dead fib_info entries.

Due to RCU lookups and RCU based release, fib_info objects can
be found during lookup which have fi->fib_dead set.

We must ignore these entries, otherwise we risk dereferencing
the parts of the entry which are being torn down.

Reported-by: Yevgen Pronenko <yevgen.pronenko@sonymobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agoMerge branch 'parisc' (PA-RISC compile fixes)
Linus Torvalds [Thu, 10 May 2012 22:18:41 +0000 (15:18 -0700)]
Merge branch 'parisc' (PA-RISC compile fixes)

Merge PA-RISC compile fixes from Rolf Eike Beer:
 "Since commit d66acc39c7ce ("bitops: Optimise get_order()") getorder.h
  includes log2.h which leads to an include loop on PA-RISC, bringing a
  bunch of other breakage to light.  This patchset fixes the compilation
  of the current state of 3.4 on HPPA.

  Unchanged against the first version, just added an Ack by Grant."

* emailed from Rolf Eike Beer <eike-kernel@sf-tec.de>: (5 patches)
  parisc: move definition of PAGE0 to asm/page.h
  parisc: add missing include of asm/page.h to asm/pgtable.h
  parisc: drop include of asm/pdc.h from asm/hardware.h
  parisc: add missing forward declarations in asm/hardware.h
  parisc: add missing includes in asm/spinlock.h

12 years agoMerge branch 'akpm' (Andrew's patch-bomb)
Linus Torvalds [Thu, 10 May 2012 22:17:24 +0000 (15:17 -0700)]
Merge branch 'akpm' (Andrew's patch-bomb)

Merge misc fixes from Andrew Morton.

* emailed from Andrew Morton <akpm@linux-foundation.org>: (8 patches)
  MAINTAINERS: add maintainer for LED subsystem
  mm: nobootmem: fix sign extend problem in __free_pages_memory()
  drivers/leds: correct __devexit annotations
  memcg: free spare array to avoid memory leak
  namespaces, pid_ns: fix leakage on fork() failure
  hugetlb: prevent BUG_ON in hugetlb_fault() -> hugetlb_cow()
  mm: fix division by 0 in percpu_pagelist_fraction()
  proc/pid/pagemap: correctly report non-present ptes and holes between vmas

12 years agoparisc: move definition of PAGE0 to asm/page.h
Rolf Eike Beer [Thu, 10 May 2012 21:08:17 +0000 (23:08 +0200)]
parisc: move definition of PAGE0 to asm/page.h

This was defined in asm/pdc.h which needs to include asm/page.h for
__PAGE_OFFSET. This leads to an include loop so that page.h eventually will
include pdc.h again. While this is no problem because of header guards, it is
a problem because some symbols may be undefined. Such an error is this:

In file included from include/linux/bitops.h:35:0,
                 from include/asm-generic/getorder.h:7,
                 from arch/parisc/include/asm/page.h:162,
                 from arch/parisc/include/asm/pdc.h:346,
                 from arch/parisc/include/asm/processor.h:16,
                 from arch/parisc/include/asm/spinlock.h:6,
                 from arch/parisc/include/asm/atomic.h:20,
                 from include/linux/atomic.h:4,
                 from include/linux/sysfs.h:20,
                 from include/linux/kobject.h:21,
                 from include/linux/device.h:17,
                 from include/linux/eisa.h:5,
                 from arch/parisc/kernel/pci.c:11:
arch/parisc/include/asm/bitops.h: In function ‘set_bit’:
arch/parisc/include/asm/bitops.h:82:2: error: implicit declaration of function ‘_atomic_spin_lock_irqsave’ [-Werror=implicit-function-declaration]
arch/parisc/include/asm/bitops.h:84:2: error: implicit declaration of function ‘_atomic_spin_unlock_irqrestore’ [-Werror=implicit-function-declaration]

Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>