GitHub/MotorolaMobilityLLC/kernel-slsi.git
13 years agoInput: serio_raw - use kref instead of rolling out its own refcounting
Dmitry Torokhov [Tue, 11 Oct 2011 01:30:03 +0000 (18:30 -0700)]
Input: serio_raw - use kref instead of rolling out its own refcounting

Reviewed-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: psmouse - switch to using dev_*() for messages
Dmitry Torokhov [Tue, 11 Oct 2011 01:27:03 +0000 (18:27 -0700)]
Input: psmouse - switch to using dev_*() for messages

This will ensure our reporting is consistent with the rest of the system
and we do not refer to obsolete source file names.

Reviewed-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Reviewed-by: JJ Ding <dgdunix@gmail.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: wacom - correct max Y value on medium bamboos
Chris Bagwell [Mon, 10 Oct 2011 15:52:32 +0000 (08:52 -0700)]
Input: wacom - correct max Y value on medium bamboos

Medium size Bamboo P&T driver reused max X/Y form older Bamboo 1
medium size tablets and never updated to real value. Actual
active area of tablet is slightly larger in Y direction.

Signed-off-by: Chris Bagwell <chris@cnpbagwell.com>
Acked-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: wacom - add ABS_DISTANCE to Bamboo Pen reports
Chris Bagwell [Mon, 10 Oct 2011 15:52:13 +0000 (08:52 -0700)]
Input: wacom - add ABS_DISTANCE to Bamboo Pen reports

Tablet reports a distance of 0 right at highest point possible
to be in proximity and distance_max when touching tablet. Inverse
the distance since user land has no way of knowing ABS_DISTANCE
is not distance from tablet.

Signed-off-by: Chris Bagwell <chris@cnpbagwell.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: wacom - remove unneeded touch pressure initialization
Chris Bagwell [Mon, 10 Oct 2011 15:51:52 +0000 (08:51 -0700)]
Input: wacom - remove unneeded touch pressure initialization

These were left in during removal of touch pressure reports but not
needed now.

Signed-off-by: Chris Bagwell <chris@cnpbagwell.com>
Reviewed-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: lm8323 - wrap suspend and resume in CONFIG_PM_SLEEP
Dmitry Torokhov [Thu, 6 Oct 2011 22:26:52 +0000 (15:26 -0700)]
Input: lm8323 - wrap suspend and resume in CONFIG_PM_SLEEP

CONFIG_PM is defined when CONFIG_PM_SLEEP or CONFIG_PM_RUNTIME is defined,
however suspend and resume methods are only valid in the context of
CONFIG_PM_SLEEP. If only CONFIG_PM_RUNTIME is defined we get the following
warning (courtesy of Geerts randconfig builds):

lm8323.c: warning: 'lm8323_resume' defined but not used

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: ad7879-i2c - wrap suspend and resume in CONFIG_PM_SLEEP
Dmitry Torokhov [Thu, 6 Oct 2011 22:26:52 +0000 (15:26 -0700)]
Input: ad7879-i2c - wrap suspend and resume in CONFIG_PM_SLEEP

CONFIG_PM is defined when CONFIG_PM_SLEEP or CONFIG_PM_RUNTIME is defined,
however suspend and resume methods are only valid in the context of
CONFIG_PM_SLEEP. If only CONFIG_PM_RUNTIME is defined we get the following
warning (courtesy of Geerts randconfig builds):

ad7879-i2c.c: warning: 'ad7879_i2c_resume' defined but not used

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: synaptics_i2c - wrap suspend and resume in CONFIG_PM_SLEEP
Dmitry Torokhov [Thu, 6 Oct 2011 22:26:51 +0000 (15:26 -0700)]
Input: synaptics_i2c - wrap suspend and resume in CONFIG_PM_SLEEP

CONFIG_PM is defined when CONFIG_PM_SLEEP or CONFIG_PM_RUNTIME is defined,
however suspend and resume methods are only valid in context of
CONFIG_PM_SLEEP. If only CONFIG_PM_RUNTIME is defined we get the following
warning (courtesy of Geerts randconfig builds):

synaptics_i2c.c: warning: 'synaptics_i2c_resume' defined but not used

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: mma8450 - silence some 'uninitialized variable' warnings
Dmitry Torokhov [Thu, 6 Oct 2011 22:26:50 +0000 (15:26 -0700)]
Input: mma8450 - silence some 'uninitialized variable' warnings

Sometimes GCC is not smart enough to recognize that x, y and z are
always used properly initialized in mma8450_poll(). Let's rearrange
the code a bit to help GCC.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: atmel_mxt_ts - use snprintf for sysfs attribute show method
Daniel Kurtz [Thu, 6 Oct 2011 22:43:20 +0000 (15:43 -0700)]
Input: atmel_mxt_ts - use snprintf for sysfs attribute show method

Sysfs attribute show methods are always passed a buffer of length
PAGE_SIZE.  To keep from overwriting this buffer and causing havoc, use
snprintf() to guarantee we never write more than the buffer can hold.

In addition, at least for my touchscreen, the number and size of objects
was far too big to fit in a single 4K page.  Therefore, this patch also
trims some redundant framing text to leave more room for actual data.

Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Acked-by: Nick Dyer <nick.dyer@itdev.co.uk>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: wacom - make LED status readable through sysfs
Ping Cheng [Wed, 5 Oct 2011 06:51:49 +0000 (23:51 -0700)]
Input: wacom - make LED status readable through sysfs

Reviewed-by: Eduard Hasenleithner <eduard@hasenleithner.at>
Tested-by: Eduard Hasenleithner <eduard@hasenleithner.at>
Signed-off-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: wacom - add LED support for Cintiq 21ux2
Ping Cheng [Wed, 5 Oct 2011 06:51:14 +0000 (23:51 -0700)]
Input: wacom - add LED support for Cintiq 21ux2

Cintiq 21ux2 has two sets of four LEDs on right and left side of
the tablet, respectively.

Reviewed-by: Eduard Hasenleithner <eduard@hasenleithner.at>
Tested-by: Eduard Hasenleithner <eduard@hasenleithner.at>
Signed-off-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: wacom - don't expose LED inactive option
Ping Cheng [Wed, 5 Oct 2011 06:50:42 +0000 (23:50 -0700)]
Input: wacom - don't expose LED inactive option

The LED also indicates the status of the tablet. Don't turn it off.

Reviewed-by: Eduard Hasenleithner <eduard@hasenleithner.at>
Tested-by: Eduard Hasenleithner <eduard@hasenleithner.at>
Signed-off-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: wacom - lower the LED luminance
Ping Cheng [Wed, 5 Oct 2011 06:49:42 +0000 (23:49 -0700)]
Input: wacom - lower the LED luminance

The LED luminance level is normally lower when no button is pressed.

Reviewed-by: Eduard Hasenleithner <eduard@hasenleithner.at>
Tested-by: Eduard Hasenleithner <eduard@hasenleithner.at>
Signed-off-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: add a driver for TSC-40 serial touchscreen
Sebastian Andrzej Siewior [Wed, 28 Sep 2011 17:04:21 +0000 (10:04 -0700)]
Input: add a driver for TSC-40 serial touchscreen

This patch adds the TSC-40 serial touchscreen driver and should be
compatible with TSC-10 and TSC-25.

The driver was written by Linutronix on behalf of Bachmann electronic GmbH.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: adxl34x - documentation cleanup
Michael Tandy [Wed, 21 Sep 2011 05:42:51 +0000 (22:42 -0700)]
Input: adxl34x - documentation cleanup

This patch clarifies a few bits of documentation in the header file
for the adxl34x driver.

Signed-off-by: Michael Tandy <lkml@mkt.me.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: gpio_keys - use of_property_read_u32()
Tobias Klauser [Fri, 9 Sep 2011 18:09:50 +0000 (11:09 -0700)]
Input: gpio_keys - use of_property_read_u32()

Use the of_property_read_u32() helper function to retrieve u32 values
from the device tree. Also do not pass the len parameter to
of_get_property if it isn't checked afterwards.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: penmount - simplify unregister procedure
Dmitry Torokhov [Tue, 13 Sep 2011 05:13:00 +0000 (22:13 -0700)]
Input: penmount - simplify unregister procedure

Since touchscreen driver does not handle any events to be sent to the
device we can close serio port first and then unregister the input device.

Tested-by: John Sung <penmount.touch@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: penmount - rework handling of different protocols
Dmitry Torokhov [Tue, 13 Sep 2011 05:12:58 +0000 (22:12 -0700)]
Input: penmount - rework handling of different protocols

Instead of having one large switch based on product ID use pointer to
function actually doing protocol decoding.

Tested-by: John Sung <penmount.touch@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: penmount - add PenMount 6250 support
John Sung [Fri, 9 Sep 2011 20:33:12 +0000 (13:33 -0700)]
Input: penmount - add PenMount 6250 support

Add multi touch support for PenMount 6250 touch controller.

Signed-off-by: John Sung <penmount.touch@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: penmount - add PenMount 3000 support
John Sung [Fri, 9 Sep 2011 20:33:12 +0000 (13:33 -0700)]
Input: penmount - add PenMount 3000 support

Add dual touch support for PenMount 3000 touch controller.

Signed-off-by: John Sung <penmount.touch@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: penmount - add PenMount 6000 support
John Sung [Fri, 9 Sep 2011 20:33:12 +0000 (13:33 -0700)]
Input: penmount - add PenMount 6000 support

Add support for PenMount 6000 touch controller.

Signed-off-by: John Sung <penmount.touch@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: penmount - fix the protocol
John Sung [Fri, 9 Sep 2011 20:33:12 +0000 (13:33 -0700)]
Input: penmount - fix the protocol

The MSB and LSB of the XY axis value are switched according to the PenMount 9000 protocol. The driver name is also changed from penmountlpc, since it is not for LPC interface at all.

Signed-off-by: John Sung <penmount.touch@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: elantech - remove module parameter force_elantech
JJ Ding [Wed, 21 Sep 2011 05:42:51 +0000 (22:42 -0700)]
Input: elantech - remove module parameter force_elantech

This essentially reverts commit f81bc788ff91d4efd4baf88b2c29713838caa8e5.

With recent work on elantech driver, I believe we now have complete support
for all elantech touchpads. So remove this hack.

Signed-off-by: JJ Ding <jj_ding@emc.com.tw>
Reviewed-by: Éric Piel <eric.piel@tremplin-utc.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: elantech - better support all those v2 variants
JJ Ding [Wed, 21 Sep 2011 05:42:51 +0000 (22:42 -0700)]
Input: elantech - better support all those v2 variants

V2 hardware has many variants. This patch adddresses two issues:

 - some model also has debounce packets, but with a different signature
   than v3. Now we just check debounce for all v2 hardware.

 - due to different scanning methods the hardware uses, x and y ranges have
   to be calculated differently. And for some specific versions, we can just
   see them as custom-made, so set {x, y} the same values as Windows driver
   does.

Signed-off-by: JJ Ding <jj_ding@emc.com.tw>
Tested-by: Richard Schütz <r.schtz@t-online.de>
Reviewed-by: Éric Piel <eric.piel@tremplin-utc.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: elantech - add v4 hardware support
JJ Ding [Fri, 9 Sep 2011 17:31:58 +0000 (10:31 -0700)]
Input: elantech - add v4 hardware support

v4 hardware is a true multitouch capable touchpad (up to 5 fingers).
The packet format is quite complex, please see protocol document for
reference.

Signed-off-by: JJ Ding <jj_ding@emc.com.tw>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: elantech - add v3 hardware support
JJ Ding [Fri, 9 Sep 2011 17:30:31 +0000 (10:30 -0700)]
Input: elantech - add v3 hardware support

v3 hardware's packet format is almost identical to v2 (one/three finger touch),
except when sensing two finger touch, the hardware sends 12 bytes of data.

Signed-off-by: JJ Ding <jj_ding@emc.com.tw>
Acked-by: Daniel Kurtz <djkurtz@chromium.org>
Acked-by: Éric Piel <eric.piel@tremplin-utc.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: elantech - clean up elantech_init
JJ Ding [Fri, 9 Sep 2011 17:28:19 +0000 (10:28 -0700)]
Input: elantech - clean up elantech_init

Group property setting code into elantech_set_properties.

Signed-off-by: JJ Ding <jj_ding@emc.com.tw>
Acked-by: Daniel Kurtz <djkurtz@chromium.org>
Acked-by: Éric Piel <eric.piel@tremplin-utc.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: elantech - packet checking for v2 hardware
JJ Ding [Fri, 9 Sep 2011 17:28:04 +0000 (10:28 -0700)]
Input: elantech - packet checking for v2 hardware

For v2 hardware, there is no real parity check, but we can still check
some constant bits for data integrity.

Also rename elantech_check_parity_v1 to elantech_packet_check_v1 to make
these packet checking function names consistent.

Signed-off-by: JJ Ding <jj_ding@emc.com.tw>
Acked-by: Daniel Kurtz <djkurtz@chromium.org>
Acked-by: Éric Piel <eric.piel@tremplin-utc.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: elantech - remove ETP_EDGE_FUZZ_V2
JJ Ding [Fri, 9 Sep 2011 17:27:42 +0000 (10:27 -0700)]
Input: elantech - remove ETP_EDGE_FUZZ_V2

Don't try to be too clever and remove ETP_EDGE_FUZZ_V2. X, Y ranges
should be just the raw resolution of the device. Otherwise, they can
cause underflow on the Y axis.

Suggested-by: Éric Piel <eric.piel@tremplin-utc.net>
Signed-off-by: JJ Ding <jj_ding@emc.com.tw>
Acked-by: Daniel Kurtz <djkurtz@chromium.org>
Acked-by: Éric Piel <eric.piel@tremplin-utc.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: elantech - use firmware provided x, y ranges
JJ Ding [Fri, 9 Sep 2011 17:26:16 +0000 (10:26 -0700)]
Input: elantech - use firmware provided x, y ranges

With newer hardware, the touchpad provides range info.
Let's use it.

Signed-off-by: JJ Ding <jj_ding@emc.com.tw>
Acked-by: Daniel Kurtz <djkurtz@chromium.org>
Acked-by: Éric Piel <eric.piel@tremplin-utc.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: elantech - get rid of ETP_2FT_* in elantech.h
JJ Ding [Fri, 9 Sep 2011 17:22:58 +0000 (10:22 -0700)]
Input: elantech - get rid of ETP_2FT_* in elantech.h

For two finger touches the coordinate of each finger gets reported
separately but with reduced resolution.

With this change, we now have the same range for ST and MT data and
scale MT data because it has lower resolution to match ST.

Suggested-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: JJ Ding <jj_ding@emc.com.tw>
Acked-by: Daniel Kurtz <djkurtz@chromium.org>
Acked-by: Éric Piel <eric.piel@tremplin-utc.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: elantech - correct x, y value range for v2 hardware
JJ Ding [Fri, 9 Sep 2011 17:22:19 +0000 (10:22 -0700)]
Input: elantech - correct x, y value range for v2 hardware

x, y values are actually 12-bit long. Also update protocol document to
reflect the change.

Signed-off-by: JJ Ding <jj_ding@emc.com.tw>
Acked-by: Daniel Kurtz <djkurtz@chromium.org>
Acked-by: Éric Piel <eric.piel@tremplin-utc.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: twl6040-vibra - fix compiler warning
Randy Dunlap [Fri, 9 Sep 2011 17:15:29 +0000 (10:15 -0700)]
Input: twl6040-vibra - fix compiler warning

Fix warning from Geert's build summary emails by changing "if" to
"ifdef". Thsi should fix the following:

drivers/input/misc/twl6040-vibra.c:231:5: warning: "CONFIG_PM_SLEEP" is not defined

Builds cleanly with CONFIG_PM_SLEEP enabled or disabled.

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: tegra-kbc - tighten locking
Dmitry Torokhov [Fri, 9 Sep 2011 16:24:20 +0000 (09:24 -0700)]
Input: tegra-kbc - tighten locking

Take spinlock when entering ISR and timer routine to ensure that we do not
race while enabling/disabling FIFO interrupts.

Also we do not need to take teh spinlock in tegra_kbc_startremove() since
interrupt is completely disabled.

Tested-by: Rakesh Iyer <riyer@nvidia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: tegra-kbc - fix wakeup from suspend
Rakesh Iyer [Thu, 8 Sep 2011 22:34:11 +0000 (15:34 -0700)]
Input: tegra-kbc - fix wakeup from suspend

For wakeup to be reliable, kbc needs to be in interrupt mode before suspend.
Created common routine to control the FIFO interrupt.
Added synchronization to ensure orderly suspend.

Signed-off-by: Rakesh Iyer <riyer@nvidia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: tc3589x-keypad - fix section mismatch warning
Harvey Yang [Thu, 8 Sep 2011 16:46:55 +0000 (09:46 -0700)]
Input: tc3589x-keypad - fix section mismatch warning

WARNING: drivers/input/keyboard/built-in.o(.text+0xb55b): Section mismatch in reference from the function tc3589x_keypad_open() to the function .devinit.text:tc3589x_keypad_init_key_hardware()
The function tc3589x_keypad_open() references
the function __devinit tc3589x_keypad_init_key_hardware().
This is often because tc3589x_keypad_open lacks a __devinit
annotation or the annotation of tc3589x_keypad_init_key_hardware is wrong.

Signed-off-by: Harvey Yang <harvey.huawei.yang@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: remove IRQF_DISABLED from drivers
Yong Zhang [Wed, 7 Sep 2011 21:04:16 +0000 (14:04 -0700)]
Input: remove IRQF_DISABLED from drivers

This flag is a NOOP and can be removed now.

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: wacom - add Intuos4 LED and OLED control
Eduard Hasenleithner [Wed, 7 Sep 2011 21:08:54 +0000 (14:08 -0700)]
Input: wacom - add Intuos4 LED and OLED control

This commit enables control of the LEDs and OLED displays found on the
Wacom Intuos4 M, L, and XL. For this purpose, a new "wacom_led" attribute
group is added to the sysfs entry of the USB device.

This "wacom_led" group only shows up when the correct device (M, L, or XL)
is detected. The attributes are described in
 Documentation/ABI/testing/sysfs-wacom

Signed-off-by: Eduard Hasenleithner <eduard@hasenleithner.at>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoMerge commit 'v3.1-rc4' into next
Dmitry Torokhov [Wed, 7 Sep 2011 21:18:36 +0000 (14:18 -0700)]
Merge commit 'v3.1-rc4' into next

13 years agoLinux 3.1-rc4
Linus Torvalds [Mon, 29 Aug 2011 04:16:01 +0000 (21:16 -0700)]
Linux 3.1-rc4

13 years agoMerge branch 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Linus Torvalds [Sun, 28 Aug 2011 17:05:39 +0000 (10:05 -0700)]
Merge branch 'pm-fixes' of git://git./linux/kernel/git/rafael/linux-pm

* 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ARM: mach-shmobile: sh7372 LCDC1 suspend fix V2 (incremental)
  OMAP: omap_device: only override _noirq methods, not normal suspend/resume
  PM / Runtime: Correct documentation of pm_runtime_irq_safe()
  ARM: mach-shmobile: sh7372 LCDC1 suspend fix
  sh-sci / PM: Use power.irq_safe
  PM: Use spinlock instead of mutex in clock management functions

13 years agoMerge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1...
Linus Torvalds [Sat, 27 Aug 2011 16:32:08 +0000 (09:32 -0700)]
Merge branch 'fixes' of git://git./linux/kernel/git/ieee1394/linux1394-2.6

* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
  firewire: sbp2: fix panic after rmmod with slow targets

13 years agoARM: mach-shmobile: sh7372 LCDC1 suspend fix V2 (incremental)
Magnus Damm [Sat, 27 Aug 2011 12:21:00 +0000 (14:21 +0200)]
ARM: mach-shmobile: sh7372 LCDC1 suspend fix V2 (incremental)

This patch updates the recently submitted
"Associate the HDMI clock together with LCDC1 on sh7372"
to V2 with the following change:
 - Use lcdc1_device on AP4EVB to build properly.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
13 years agoInput: tsc2007 - add open and close methods
Dmitry Torokhov [Thu, 25 Aug 2011 08:05:46 +0000 (01:05 -0700)]
Input: tsc2007 - add open and close methods

This will ensure that the device delivers input events only when there
are users.

Tested-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoInput: tsc2007 - convert to threaded IRQ
Dmitry Torokhov [Thu, 25 Aug 2011 07:25:12 +0000 (00:25 -0700)]
Input: tsc2007 - convert to threaded IRQ

Instead of using hard IRQ and workqueue solution switch to using threaded
interrupt handler to simplify the code and locking rules.

Tested-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
13 years agoAll Arch: remove linkage for sys_nfsservctl system call
NeilBrown [Fri, 26 Aug 2011 22:03:11 +0000 (18:03 -0400)]
All Arch: remove linkage for sys_nfsservctl system call

The nfsservctl system call is now gone, so we should remove all
linkage for it.

Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMerge branch 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/keith...
Linus Torvalds [Fri, 26 Aug 2011 22:00:49 +0000 (15:00 -0700)]
Merge branch 'drm-intel-fixes' of git://git./linux/kernel/git/keithp/linux-2.6

* 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/keithp/linux-2.6:
  drm/i915: Fix wrong initializer for "locked" variable in assert_panel_unlocked
  i915: do not setup intel_backlight twice

13 years agoMerge branch 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...
Linus Torvalds [Fri, 26 Aug 2011 20:10:06 +0000 (13:10 -0700)]
Merge branch 'usb-linus' of git://git./linux/kernel/git/gregkh/usb-2.6

* 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (30 commits)
  USB: ftdi_sio: add Calao reference board support
  USB option driver K3765/K4505 avoid CDC_DATA interface
  USB: option: add YUGA device id to driver
  usb: s5p-ehci: fix a NULL pointer deference
  USB: EHCI: Do not rely on PORT_SUSPEND to stop USB resuming in ehci_bus_resume().
  USB option driver add PID of Huawei Vodafone K4605
  USB option driver add PID of Huawei Vodafone K3806
  xhci: Handle zero-length isochronous packets.
  USB: Avoid NULL pointer deref in usb_hcd_alloc_bandwidth.
  usb: musb: gadget: fix error path
  usb: gadget: f_phonet: unlock in error case
  usb: musb: blackfin: include prefetch head file
  usb: musb: tusb6010: fix compilation
  usb: gadget: renesas_usbhs: fix DMA build by including dma-mapping.h
  usb: musb: cppi: fix build errors due to DBG and missing musb variable
  usb: musb: ux500: replace missing DBG with dev_dbg
  usb: musb: ux500: set dma config for both src and dst
  usb: musb: fix oops on musb_gadget_pullup
  usb: host: ehci-omap: fix .remove and failure handling path of .probe(v1)
  usb: gadget: hid: don't STALL when processing a HID Descriptor request
  ...

13 years agoMerge branch 'tty-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...
Linus Torvalds [Fri, 26 Aug 2011 20:06:06 +0000 (13:06 -0700)]
Merge branch 'tty-linus' of git://git./linux/kernel/git/gregkh/tty-2.6

* 'tty-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6:
  omap-serial: Allow IXON and IXOFF to be disabled.
  TTY: serial, document ignoring of uart->ops->startup error
  TTY: pty, fix pty counting
  8250: Fix race condition in serial8250_backup_timeout().
  serial/8250_pci: delete duplicate data definition
  8250_pci: add support for Rosewill RC-305 4x serial port card
  tty: Add "spi:" prefix for spi modalias
  atmel_serial: fix atmel_default_console_device
  serial: 8250_pnp: add Intermec CV60 touchscreen device
  drivers/serial/ucc_uart.c: Fix compiler warning
  pch_uart: Set PCIe bus number using probe parameter
  serial: samsung: Fix build error

13 years agoMerge branch 'driver-core-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Fri, 26 Aug 2011 20:05:09 +0000 (13:05 -0700)]
Merge branch 'driver-core-linus' of git://git./linux/kernel/git/gregkh/driver-core-2.6

* 'driver-core-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6:
  drivers:misc: ti-st: fix unexpected UART close
  drivers:misc: ti-st: free skb on firmware download
  drivers:misc: ti-st: wait for completion at fail
  drivers:misc: ti-st: reinit completion before send
  drivers:misc: ti-st: fail-safe on wrong pkt type
  drivers:misc: ti-st: reinit completion on ver read
  drivers:misc:ti-st: platform hooks for chip states
  drivers:misc: ti-st: avoid a misleading dbg msg
  base/devres.c: quiet sparse noise about context imbalance
  pti: add missing CONFIG_PCI dependency
  drivers/base/devtmpfs.c: correct annotation of `setup_done'
  driver core: fix kernel-doc warning in platform.c
  firmware: fix google/gsmi.c build warning

13 years agoMerge branch 'staging-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...
Linus Torvalds [Fri, 26 Aug 2011 20:03:12 +0000 (13:03 -0700)]
Merge branch 'staging-linus' of git://git./linux/kernel/git/gregkh/staging-2.6

* 'staging-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6:
  staging: tidspbridge: fix compilation on dsp clock functions
  staging: octeon-ethernet: Add missing #includes.
  Staging: zcache: signedness bug in tmem_get()
  staging: zcache: fix crash on high memory swap
  staging: brcm80211: SPARC build error fix
  staging: brcm80211: fix compile error on non-x86 archs since 3.0 kernel

13 years agoMerge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6
Linus Torvalds [Fri, 26 Aug 2011 16:28:22 +0000 (09:28 -0700)]
Merge branch 'for-linus' of git://git390.marist.edu/linux-2.6

* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6:
  [S390] memory hotplug: only unassign assigned increments
  [S390] Change default action from reipl to stop for on_restart
  [S390] arch/s390/kernel/ipl.c: correct error detection check
  [S390] drivers/s390/block/dasd_ioctl.c: add missing kfree
  [S390] nss,initrd: kernel image and initrd must be in different segments

13 years agosfi: table irq 0xFF means 'no interrupt'
Kirill A. Shutemov [Fri, 26 Aug 2011 11:20:59 +0000 (12:20 +0100)]
sfi: table irq 0xFF means 'no interrupt'

According to the SFI specification irq number 0xFF means device has no
interrupt or interrupt attached via GPIO.

Currently, we don't handle this special case and set irq field in
*_board_info structs to 255.  It leads to confusion in some drivers.
Accelerometer driver tries to register interrupt 255, fails and prints
"Cannot get IRQ" to dmesg.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
Linus Torvalds [Fri, 26 Aug 2011 16:01:30 +0000 (09:01 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/tiwai/sound-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (32 commits)
  ALSA: hda: Conexant: Allow different output types to share DAC
  ASoC: Correct element count for WM8996 sidetone HPF
  ASoC: Tegra: wm8903 machine driver: Drop Ventana support
  ASoC: Add samsung maintainer
  ASoC: Add Springbank I/O card to Speyside Kconfig
  ALSA: hda/conexant - Enable ADC-switching for auto-mic mode, too
  ALSA: hda - Fix double-headphone/speaker paths for Cxt auto-parser
  ALSA: hda - Update jack-sense info even when no automute is set
  ALSA: hda - Fix output-path initialization for Realtek auto-parser
  sound/soc/fsl/mpc8610_hpcd.c: add missing of_node_put
  sound/soc/fsl/p1022_ds.c: add missing of_node_put
  sound/soc/ep93xx/ep93xx-i2s.c: add missing kfree
  sound/soc/kirkwood/kirkwood-i2s.c: add missing kfree
  ASoC: soc-core: use GFP_KERNEL flag for kmalloc in snd_soc_cnew
  sound/soc/fsl/fsl_dma.c: add missing of_node_put
  ASoC: Clear completions from late WM8996 FLL lock IRQs
  ASoC: Clear any outstanding WM8962 FLL lock completions before waiting
  ASoC: Ensure we only run Speyside WM8962 bias level callbacks once
  ASoC: Fix configuration of WM8996 input enables
  ASoC: WM8996 record paths need AIFCLK
  ...

13 years agoMerge branch 'fix/asoc' into for-linus
Takashi Iwai [Fri, 26 Aug 2011 07:29:43 +0000 (09:29 +0200)]
Merge branch 'fix/asoc' into for-linus

13 years agoarch/powerpc/sysdev/fsl_rio.c: correct IECSR register clear value
Liu Gang-B34182 [Thu, 25 Aug 2011 22:59:25 +0000 (15:59 -0700)]
arch/powerpc/sysdev/fsl_rio.c: correct IECSR register clear value

This bug causes the IECSR register clear failure.  In this case, the RETE
(retry error threshold exceeded) interrupt will be generated and cannot be
cleared.  So the related ISR may be called persistently.

The RETE bit in IECSR is cleared by writing a 1 to it.

Signed-off-by: Liu Gang <Gang.Liu@freescale.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agodrivers/rtc/rtc-s3c.c: allow multiple open / allow no-ioctl-open'ed rtc to have irq.
MyungJoo Ham [Thu, 25 Aug 2011 22:59:24 +0000 (15:59 -0700)]
drivers/rtc/rtc-s3c.c: allow multiple open / allow no-ioctl-open'ed rtc to have irq.

The previous rtc-s3c had two issues related with its IRQ.

1. Users cannot open rtc multiple times because an open operation
   calls request_irq on the same IRQ.  (e.g., two user processes wants to
   open and read RTC time from rtc-s3c at the same time)

2. If alarm is set and no one has the rtc opened with filesystem
   (either the alarm is set by kernel/boot-loader or user set an alarm and
   closed rtc dev file), the pending bit is not cleared and no further
   interrupt is invoked.  When the alarm is used by the system itself such
   as a resume from suspend-to-RAM or other Low-power modes/idle, this is
   a critical issue.

This patch mitigates these issues by calling request_irq at probe and
free_irq at remove.

Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Changhwan Youn <chaos.youn@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agodrivers/rtc/rtc-s3c.c: correct debug messages
MyungJoo Ham [Thu, 25 Aug 2011 22:59:22 +0000 (15:59 -0700)]
drivers/rtc/rtc-s3c.c: correct debug messages

RTC-S3C used to print out debug messages incorrectly.  This patch
corrects incorrect outputs.  (undecoded bcd numbers, incorrectly decoded
register values)

This patch affects the pr-debug messages only.

Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Changhwan Youn <chaos.youn@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agodrivers/leds/leds-bd2802.c: bd2802_unregister_led_classdev() should unregister all...
Axel Lin [Thu, 25 Aug 2011 22:59:21 +0000 (15:59 -0700)]
drivers/leds/leds-bd2802.c: bd2802_unregister_led_classdev() should unregister all registered leds

bd2802_unregister_led_classdev() should unregister all registered
instances of led_classdev class that had registered by
bd2802_register_led_classdev().

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Kim Kyuwon <q1.kim@samsung.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agocris: add arch/cris/include/asm/serial.h
WANG Cong [Thu, 25 Aug 2011 22:59:20 +0000 (15:59 -0700)]
cris: add arch/cris/include/asm/serial.h

Fix the following build errors:

  drivers/tty/serial/8250_early.c:160: error: 'BASE_BAUD' undeclared (first use in this function): 1 errors in 1 logs
  drivers/tty/serial/8250_early.c:37:24: error: asm/serial.h: No such file or directory: 1 errors in 1 logs

I am not sure if (1843200 / 16) is suitable for cris, but most other
arch's define it as this value.

Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agodrivers/misc/ab8500-pwm.c: fix modalias
Axel Lin [Thu, 25 Aug 2011 22:59:20 +0000 (15:59 -0700)]
drivers/misc/ab8500-pwm.c: fix modalias

Since 43cc71eed12 ("platform: prefix MODALIAS with "platform:""), the
platform modalias is prefixed with "platform:".

This patch changes the MODULE_ALIAS to "platform:ab8500-pwm".

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Arun Murthy <arun.murthy@stericsson.com>
Cc: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agodrivers/misc/fsa9480.c: fix a leak of the IRQ during init failure
Axel Lin [Thu, 25 Aug 2011 22:59:19 +0000 (15:59 -0700)]
drivers/misc/fsa9480.c: fix a leak of the IRQ during init failure

Make sure we are passing the same cookie in all calls to
request_threaded_irq() and free_irq().

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Donggeun Kim <dg77.kim@samsung.com>
Cc: Minkyu Kang <mk7.kang@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agobacklight: fix module alias prefix for adp8870_bl
Axel Lin [Thu, 25 Aug 2011 22:59:18 +0000 (15:59 -0700)]
backlight: fix module alias prefix for adp8870_bl

This is an i2c driver, not a platform driver, thus use "i2c" prefix for
the module alias.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agobacklight: add a callback 'notify_after' for backlight control
Dilan Lee [Thu, 25 Aug 2011 22:59:17 +0000 (15:59 -0700)]
backlight: add a callback 'notify_after' for backlight control

We need a callback to do some things after pwm_enable, pwm_disable
and pwm_config.

Signed-off-by: Dilan Lee <dilee@nvidia.com>
Reviewed-by: Robert Morell <rmorell@nvidia.com>
Reviewed-by: Arun Murthy <arun.murthy@stericsson.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agomemcg: fix hierarchical oom locking
Johannes Weiner [Thu, 25 Aug 2011 22:59:16 +0000 (15:59 -0700)]
memcg: fix hierarchical oom locking

Commit 79dfdaccd1d5 ("memcg: make oom_lock 0 and 1 based rather than
counter") tried to oom lock the hierarchy and roll back upon
encountering an already locked memcg.

The code is confused when it comes to detecting a locked memcg, though,
so it would fail and rollback after locking one memcg and encountering
an unlocked second one.

The result is that oom-locking hierarchies fails unconditionally and
that every oom killer invocation simply goes to sleep on the oom
waitqueue forever.  The tasks practically hang forever without anyone
intervening, possibly holding locks that trip up unrelated tasks, too.

Signed-off-by: Johannes Weiner <jweiner@redhat.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoleds: add missing include of linux/module.h
Axel Lin [Thu, 25 Aug 2011 22:59:15 +0000 (15:59 -0700)]
leds: add missing include of linux/module.h

Add missing include of linux/module.h for drivers that use interfaces from
linux/module.h.  This patch fixes build errors.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Jonathan McDowell <noodles@earth.li>
Acked-by: Kristoffer Ericson <kristoffer.ericson@gmail.com>
Cc: Magnus Damm <damm@opensource.se>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agodrivers/video/backlight/ep93xx_bl.c: add missing include of linux/module.h
Axel Lin [Thu, 25 Aug 2011 22:59:14 +0000 (15:59 -0700)]
drivers/video/backlight/ep93xx_bl.c: add missing include of linux/module.h

ep93xx_bl.c uses interfaces from linux/module.h, so it should include
that file.  This patch fixes build errors:

    CC [M]  drivers/video/backlight/ep93xx_bl.o
  drivers/video/backlight/ep93xx_bl.c:138: error: 'THIS_MODULE' undeclared here (not in a function)
  drivers/video/backlight/ep93xx_bl.c:158: error: expected declaration specifiers or '...' before string constant
  drivers/video/backlight/ep93xx_bl.c:158: warning: data definition has no type or storage class
  ...

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ryan Mallon <rmallon@gmail.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agorapidio: fix use of non-compatible registers
Alexandre Bounine [Thu, 25 Aug 2011 22:59:13 +0000 (15:59 -0700)]
rapidio: fix use of non-compatible registers

Replace/remove use of RIO v.1.2 registers/bits that are not
forward-compatible with newer versions of RapidIO specification.

RapidIO specification v.1.3 removed Write Port CSR, Doorbell CSR,
Mailbox CSR and Mailbox and Doorbell bits of the PEF CAR.

Use of removed (since RIO v.1.3) register bits affects users of
currently available 1.3 and 2.x compliant devices who may use not so
recent kernel versions.

Removing checks for unsupported bits makes corresponding routines
compatible with all versions of RapidIO specification.  Therefore,
backporting makes stable kernel versions compliant with RIO v.1.3 and
later as well.

Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Cc: Thomas Moll <thomas.moll@sysgo.com>
Cc: Chul Kim <chul.kim@idt.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agovmscan: clear ZONE_CONGESTED for zone with good watermark
Shaohua Li [Thu, 25 Aug 2011 22:59:12 +0000 (15:59 -0700)]
vmscan: clear ZONE_CONGESTED for zone with good watermark

ZONE_CONGESTED is only cleared in kswapd, but pages can be freed in any
task.  It's possible ZONE_CONGESTED isn't cleared in some cases:

 1. the zone is already balanced just entering balance_pgdat() for
    order-0 because concurrent tasks free memory.  In this case, later
    check will skip the zone as it's balanced so the flag isn't cleared.

 2. high order balance fallbacks to order-0.  quote from Mel: At the
    end of balance_pgdat(), kswapd uses the following logic;

If reclaiming at high order {
for each zone {
if all_unreclaimable
skip
if watermark is not met
order = 0
loop again

/* watermark is met */
clear congested
}
}

    i.e. it clears ZONE_CONGESTED if it the zone is balanced.  if not,
    it restarts balancing at order-0.  However, if the higher zones are
    balanced for order-0, kswapd will miss clearing ZONE_CONGESTED as
    that only happens after a zone is shrunk.  This can mean that
    wait_iff_congested() stalls unnecessarily.

This patch makes kswapd clear ZONE_CONGESTED during its initial
highmem->dma scan for zones that are already balanced.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Acked-by: Mel Gorman <mgorman@suse.de>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agokernel/printk: do not turn off bootconsole in printk_late_init() if keep_bootcon
Nishanth Aravamudan [Thu, 25 Aug 2011 22:59:11 +0000 (15:59 -0700)]
kernel/printk: do not turn off bootconsole in printk_late_init() if keep_bootcon

It seems that 7bf693951a8e ("console: allow to retain boot console via
boot option keep_bootcon") doesn't always achieve what it aims, as when
printk_late_init() runs it unconditionally turns off all boot consoles.
With this patch, I am able to see more messages on the boot console in
KVM guests than I can without, when keep_bootcon is specified.

I think it is appropriate for the relevant -stable trees.  However, it's
more of an annoyance than a serious bug (ideally you don't need to keep
the boot console around as console handover should be working -- I was
encountering a situation where the console handover wasn't working and
not having the boot console available meant I couldn't see why).

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Greg KH <gregkh@suse.de>
Acked-by: Fabio M. Di Nitto <fdinitto@redhat.com>
Cc: <stable@kernel.org> [2.6.39.x, 3.0.x]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMAINTAINERS: Paul Menage has moved
Wanlong Gao [Thu, 25 Aug 2011 22:59:10 +0000 (15:59 -0700)]
MAINTAINERS: Paul Menage has moved

Paul said: I left Google at the end of last week - if it's not bouncing
already, menage@google.com isn't going to work for much longer.

Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Acked-by: Paul Menage <paul@paulmenage.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agomm: fix a vmscan warning
Shaohua Li [Thu, 25 Aug 2011 22:59:10 +0000 (15:59 -0700)]
mm: fix a vmscan warning

I get the below warning:

  BUG: using smp_processor_id() in preemptible [00000000] code: bash/746
  caller is native_sched_clock+0x37/0x6e
  Pid: 746, comm: bash Tainted: G        W   3.0.0+ #254
  Call Trace:
   [<ffffffff813435c6>] debug_smp_processor_id+0xc2/0xdc
   [<ffffffff8104158d>] native_sched_clock+0x37/0x6e
   [<ffffffff81116219>] try_to_free_mem_cgroup_pages+0x7d/0x270
   [<ffffffff8114f1f8>] mem_cgroup_force_empty+0x24b/0x27a
   [<ffffffff8114ff21>] ? sys_close+0x38/0x138
   [<ffffffff8114ff21>] ? sys_close+0x38/0x138
   [<ffffffff8114f257>] mem_cgroup_force_empty_write+0x17/0x19
   [<ffffffff810c72fb>] cgroup_file_write+0xa8/0xba
   [<ffffffff811522d2>] vfs_write+0xb3/0x138
   [<ffffffff8115241a>] sys_write+0x4a/0x71
   [<ffffffff8114ffd9>] ? sys_close+0xf0/0x138
   [<ffffffff8176deab>] system_call_fastpath+0x16/0x1b

sched_clock() can't be used with preempt enabled.  And we don't need
fast approach to get clock here, so let's use ktime API.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Tested-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agodrivers/char/msm_smd_pkt.c: don't use IS_ERR()
Thomas Meyer [Thu, 25 Aug 2011 22:59:09 +0000 (15:59 -0700)]
drivers/char/msm_smd_pkt.c: don't use IS_ERR()

The various basic memory allocation function return NULL, not an
ERR_PTR.

The semantic patch that makes this change is available in
scripts/coccinelle/null/eno.cocci.

More information about semantic patching is available at
http://coccinelle.lip6.fr/

Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Cc: Niranjana Vishwanathapura <nvishwan@codeaurora.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agocheckpatch: add missing WARN argument for min_t and max_t tests
Hui Zhu [Thu, 25 Aug 2011 22:59:08 +0000 (15:59 -0700)]
checkpatch: add missing WARN argument for min_t and max_t tests

The test for bad usage of min_t() and max_t() is missing the --ignore
type.  Add it.

Signed-off-by: Hui Zhu <teawater@gmail.com>
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoscripts/get_maintainer.pl: update Linus's git repository
Ralf Thielow [Thu, 25 Aug 2011 22:59:07 +0000 (15:59 -0700)]
scripts/get_maintainer.pl: update Linus's git repository

Change to new git tree -
(git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git).

Signed-off-by: Ralf Thielow <ralf.thielow@googlemail.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agomemcg: pin execution to current cpu while draining stock
Johannes Weiner [Thu, 25 Aug 2011 22:59:07 +0000 (15:59 -0700)]
memcg: pin execution to current cpu while draining stock

Commit d1a05b6973c7 ("memcg do not try to drain per-cpu caches without
pages") added a drain_local_stock() call to a preemptible section.

The draining task looks up the cpu-local stock twice to set the
draining-flag, then to drain the stock and clear the flag again.  If the
task is migrated to a different CPU in between, noone will clear the
flag on the first stock and it will be forever undrainable.  Its charge
can not be recovered and the cgroup can not be deleted anymore.

Properly pin the task to the executing CPU while draining stocks.

Signed-off-by: Johannes Weiner <jweiner@redhat.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com
Acked-by: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMAINTAINERS: Evgeniy has moved
Evgeniy Polyakov [Thu, 25 Aug 2011 22:59:06 +0000 (15:59 -0700)]
MAINTAINERS: Evgeniy has moved

Signed-off-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agow1: fix for loop in w1_f29_remove_slave()
Dan Carpenter [Thu, 25 Aug 2011 22:59:04 +0000 (15:59 -0700)]
w1: fix for loop in w1_f29_remove_slave()

The for loop was looking for i <= 0 instead of i >= 0 so this function
never did anything.  Also we started with i = NB_SYSFS_BIN_FILES instead
of "NB_SYSFS_BIN_FILES - 1" which is an off by one bug.

Reported-by: Bojan Prtvar <prtvar.b@gmail.com>
Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Jean-Franois Dagenais <dagenaisj@sonatest.com>
Cc: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoalpha: unbreak osf_setsysinfo(SSI_NVPAIRS, [SSIN_UACPROC, UAC_SIGBUS])
Sergei Trofimovich [Thu, 25 Aug 2011 22:59:02 +0000 (15:59 -0700)]
alpha: unbreak osf_setsysinfo(SSI_NVPAIRS, [SSIN_UACPROC, UAC_SIGBUS])

The bug was accidentally found by the following program:

    #include <asm/sysinfo.h>
    #include <asm/unistd.h>
    #include <sys/syscall.h>
    static int setsysinfo(unsigned long op, void *buffer, unsigned long size,
                          int *start, void *arg, unsigned long flag) {
        return syscall(__NR_osf_setsysinfo, op, buffer, size, start, arg, flag);
    }

    int main(int argc, char **argv) {
        short x[10];
        unsigned int buf[2] = { SSIN_UACPROC, UAC_SIGBUS, };
        setsysinfo(SSI_NVPAIRS, buf, 1, 0, 0, 0);

        int  *y = (int*) (x+1);
        *y = 0;
        return 0;
    }

The program shoud fail on SIGBUS, but didn't.

The patch is a second part of userspace flag fix (commit 745dd2405e28
"Alpha: Rearrange thread info flags fixing two regressions").

Deleted outdated out-of-sync 'UAC_SHIFT' (the cause of bug) in favour of
'ALPHA_UAC_SHIFT'.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
Acked-by: Michael Cree <mcree@orcon.net.nz>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agodrivers/misc/pti.c: add missing includes
Sergei Trofimovich [Thu, 25 Aug 2011 22:59:01 +0000 (15:59 -0700)]
drivers/misc/pti.c: add missing includes

Found on allmodconfig build (ARCH=alpha)

    drivers/misc/pti.c: In function 'get_id':
    drivers/misc/pti.c:249: error: implicit declaration of function 'kmalloc'
    drivers/misc/pti.c: In function 'pti_char_write':
    drivers/misc/pti.c:658: error: implicit declaration of function 'copy_from_user'

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Cc: J Freyensee <james_p_freyensee@linux.intel.com>
Cc: Jeremy Rocher <rocher.jeremy@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agox86-32: Fix boot with CONFIG_X86_INVD_BUG
Andy Lutomirski [Thu, 25 Aug 2011 20:10:33 +0000 (16:10 -0400)]
x86-32: Fix boot with CONFIG_X86_INVD_BUG

entry_32.S contained a hardcoded alternative instruction entry, and the
format changed in commit 59e97e4d6fbc ("x86: Make alternative
instruction pointers relative").

Replace the hardcoded entry with the altinstruction_entry macro.  This
fixes the 32-bit boot with CONFIG_X86_INVD_BUG=y.

Reported-and-tested-by: Arnaud Lacombe <lacombar@gmail.com>
Signed-off-by: Andy Lutomirski <luto@mit.edu>
Cc: Peter Anvin <hpa@zytor.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agodrm/i915: Fix wrong initializer for "locked" variable in assert_panel_unlocked
Thomas Jarosch [Thu, 25 Aug 2011 13:37:45 +0000 (15:37 +0200)]
drm/i915: Fix wrong initializer for "locked" variable in assert_panel_unlocked

Otherwise it just contains random memory.

Issue detected by cppcheck.

Signed-off-by: Thomas Jarosch <thomas.jarosch@intra2net.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Keith Packard <keithp@keithp.com>
13 years agomtrr: fix UP breakage caused during switch to stop_machine
Tejun Heo [Thu, 25 Aug 2011 17:46:56 +0000 (19:46 +0200)]
mtrr: fix UP breakage caused during switch to stop_machine

While removing custom rendezvous code and switching to stop_machine,
commit 192d8857427d ("x86, mtrr: use stop_machine APIs for doing MTRR
rendezvous") completely dropped mtrr setting code on !CONFIG_SMP
breaking MTRR settting on UP.

Fix it by removing the incorrect CONFIG_SMP.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Anders Eriksson <aeriksson@fastmail.fm>
Tested-and-acked-by: Suresh Siddha <suresh.b.siddha@intel.com>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agolockdep: Add helper function for dir vs file i_mutex annotation
Josh Boyer [Thu, 25 Aug 2011 11:48:12 +0000 (07:48 -0400)]
lockdep: Add helper function for dir vs file i_mutex annotation

Purely in-memory filesystems do not use the inode hash as the dcache
tells us if an entry already exists.  As a result, they do not call
unlock_new_inode, and thus directory inodes do not get put into a
different lockdep class for i_sem.

We need the different lockdep classes, because the locking order for
i_mutex is different for directory inodes and regular inodes.  Directory
inodes can do "readdir()", which takes i_mutex *before* possibly taking
mm->mmap_sem (due to a page fault while copying the directory entry to
user space).

In contrast, regular inodes can be mmap'ed, which takes mm->mmap_sem
before accessing i_mutex.

The two cases can never happen for the same inode, so no real deadlock
can occur, but without the different lockdep classes, lockdep cannot
understand that.  As a result, if CONFIG_DEBUG_LOCK_ALLOC is set, this
can lead to false positives from lockdep like below:

    find/645 is trying to acquire lock:
     (&mm->mmap_sem){++++++}, at: [<ffffffff81109514>] might_fault+0x5c/0xac

    but task is already holding lock:
     (&sb->s_type->i_mutex_key#15){+.+.+.}, at: [<ffffffff81149f34>]
    vfs_readdir+0x5b/0xb4

    which lock already depends on the new lock.

    the existing dependency chain (in reverse order) is:

    -> #1 (&sb->s_type->i_mutex_key#15){+.+.+.}:
          [<ffffffff8108ac26>] lock_acquire+0xbf/0x103
          [<ffffffff814db822>] __mutex_lock_common+0x4c/0x361
          [<ffffffff814dbc46>] mutex_lock_nested+0x40/0x45
          [<ffffffff811daa87>] hugetlbfs_file_mmap+0x82/0x110
          [<ffffffff81111557>] mmap_region+0x258/0x432
          [<ffffffff811119dd>] do_mmap_pgoff+0x2ac/0x306
          [<ffffffff81111b4f>] sys_mmap_pgoff+0x118/0x16a
          [<ffffffff8100c858>] sys_mmap+0x22/0x24
          [<ffffffff814e3ec2>] system_call_fastpath+0x16/0x1b

    -> #0 (&mm->mmap_sem){++++++}:
          [<ffffffff8108a4bc>] __lock_acquire+0xa1a/0xcf7
          [<ffffffff8108ac26>] lock_acquire+0xbf/0x103
          [<ffffffff81109541>] might_fault+0x89/0xac
          [<ffffffff81149cff>] filldir+0x6f/0xc7
          [<ffffffff811586ea>] dcache_readdir+0x67/0x205
          [<ffffffff81149f54>] vfs_readdir+0x7b/0xb4
          [<ffffffff8114a073>] sys_getdents+0x7e/0xd1
          [<ffffffff814e3ec2>] system_call_fastpath+0x16/0x1b

This patch moves the directory vs file lockdep annotation into a helper
function that can be called by in-memory filesystems and has hugetlbfs
call it.

Signed-off-by: Josh Boyer <jwboyer@redhat.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMerge branch 'urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Thu, 25 Aug 2011 17:40:12 +0000 (10:40 -0700)]
Merge branch 'urgent-for-linus' of git://git./linux/kernel/git/wfg/writeback

* 'urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/writeback:
  squeeze max-pause area and drop pass-good area

13 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/cpupowerutils
Linus Torvalds [Thu, 25 Aug 2011 17:32:18 +0000 (10:32 -0700)]
Merge git://git./linux/kernel/git/brodo/cpupowerutils

* git://git.kernel.org/pub/scm/linux/kernel/git/brodo/cpupowerutils:
  cpupower: use man(1) when calling "cpupower help subcommand"
  cpupower: make NLS truly optional
  cpupower: fix Makefile typo
  cpupower: Make monitor command -c/--cpu aware
  cpupower: Better detect offlined CPUs
  cpupower: Do not show an empty Idle_Stats monitor if no idle driver is available
  cpupower: mperf monitor - Use TSC to calculate max frequency if possible
  cpupower: avoid using symlinks

13 years agoMerge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groec...
Linus Torvalds [Thu, 25 Aug 2011 17:31:40 +0000 (10:31 -0700)]
Merge branch 'hwmon-for-linus' of git://git./linux/kernel/git/groeck/staging

* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging:
  hwmon: (i5k_amb) Drop i5k_channel_pci_id
  hwmon: (ntc_thermistor) Simplify if sequence

13 years agoMerge branch '3.1-rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nab...
Linus Torvalds [Thu, 25 Aug 2011 17:30:51 +0000 (10:30 -0700)]
Merge branch '3.1-rc-fixes' of git://git./linux/kernel/git/nab/target-pending

* '3.1-rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (21 commits)
  target: Convert acl_node_lock to be IRQ-disabling
  target: Make locking in transport_deregister_session() IRQ safe
  tcm_fc: init/exit functions should not be protected by "#ifdef MODULE"
  target: Print subpage too for unhandled MODE SENSE pages
  iscsi-target: Fix iscsit_allocate_se_cmd_for_tmr failure path bugs
  iscsi-target: Implement iSCSI target IPv6 address printing.
  target: Fix task SGL chaining breakage with transport_allocate_data_tasks
  target: Fix task count > 1 handling breakage and use max_sector page alignment
  target: Add missing DATA_SG_IO transport_cmd_get_valid_sectors check
  target: Fix SYNCHRONIZE_CACHE zero LBA + range breakage
  target: Remove duplicate task completions in transport_emulate_control_cdb
  target: Fix WRITE_SAME usage with transport_get_size
  target: Add WRITE_SAME (10) parsing and refactor passthrough checks
  target: Fix write payload exception handling with ->new_cmd_map
  iscsi-target: forever loop bug in iscsit_attach_ooo_cmdsn()
  iscsi-target: remove duplicate return
  target: Convert target_core_rd.c to use use BUG_ON
  iscsi-target: Fix leak on failure in iscsi_copy_param_list()
  target: Use ERR_CAST inlined function
  target: Make standard INQUIRY return 'not connected' for tpg_virt_lun0
  ...

13 years agoAdd a personality to report 2.6.x version numbers
Andi Kleen [Fri, 19 Aug 2011 23:15:10 +0000 (16:15 -0700)]
Add a personality to report 2.6.x version numbers

I ran into a couple of programs which broke with the new Linux 3.0
version.  Some of those were binary only.  I tried to use LD_PRELOAD to
work around it, but it was quite difficult and in one case impossible
because of a mix of 32bit and 64bit executables.

For example, all kind of management software from HP doesnt work, unless
we pretend to run a 2.6 kernel.

  $ uname -a
  Linux svivoipvnx001 3.0.0-08107-g97cd98f #1062 SMP Fri Aug 12 18:11:45 CEST 2011 i686 i686 i386 GNU/Linux

  $ hpacucli ctrl all show

  Error: No controllers detected.

  $ rpm -qf /usr/sbin/hpacucli
  hpacucli-8.75-12.0

Another notable case is that Python now reports "linux3" from
sys.platform(); which in turn can break things that were checking
sys.platform() == "linux2":

  https://bugzilla.mozilla.org/show_bug.cgi?id=664564

It seems pretty clear to me though it's a bug in the apps that are using
'==' instead of .startswith(), but this allows us to unbreak broken
programs.

This patch adds a UNAME26 personality that makes the kernel report a
2.6.40+x version number instead.  The x is the x in 3.x.

I know this is somewhat ugly, but I didn't find a better workaround, and
compatibility to existing programs is important.

Some programs also read /proc/sys/kernel/osrelease.  This can be worked
around in user space with mount --bind (and a mount namespace)

To use:

  wget ftp://ftp.kernel.org/pub/linux/kernel/people/ak/uname26/uname26.c
  gcc -o uname26 uname26.c
  ./uname26 program

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoUSB: ftdi_sio: add Calao reference board support
Jean-Christophe PLAGNIOL-VILLARD [Thu, 25 Aug 2011 09:46:58 +0000 (11:46 +0200)]
USB: ftdi_sio: add Calao reference board support

Calao use on there dev kits a FT2232 where the port 0 is used for the JTAG and
port 1 for the UART

They use the same VID and PID as FTDI Chip but they program the manufacturer
name in the eeprom

So use this information to detect it

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Gregory Hermant <gregory.hermant@calao-systems.com>
Cc: Alan Cox <alan@linux.intel.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agoOMAP: omap_device: only override _noirq methods, not normal suspend/resume
Kevin Hilman [Thu, 25 Aug 2011 13:31:14 +0000 (15:31 +0200)]
OMAP: omap_device: only override _noirq methods, not normal suspend/resume

Commit c03f007a8bf0e092caeb6856a5c8a850df10b974 (OMAP: PM:
omap_device: add system PM methods for PM domain handling) mistakenly
used SET_SYSTEM_SLEEP_PM_OPS() when trying to configure custom methods
for the PM domains noirq methods.  Fix that by setting only the
suspend_noirq and resume_noirq methods with custom versions.

Note that all other PM domain methods (including the "normal"
suspend/resume methods) are populated using USE_PLATFORM_PM_SLEEP_OPS,
which configures them all to the default subsystem (platform_bus)
methods.

Reported-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
13 years agoPM / Runtime: Correct documentation of pm_runtime_irq_safe()
Rafael J. Wysocki [Thu, 25 Aug 2011 13:31:05 +0000 (15:31 +0200)]
PM / Runtime: Correct documentation of pm_runtime_irq_safe()

The description of pm_runtime_irq_safe() has to be updated to follow
the code after commit 02b2677 (PM / Runtime: Allow _put_sync() from
interrupts-disabled context).

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Kevin Hilman <khilman@ti.com>
13 years agoALSA: hda: Conexant: Allow different output types to share DAC
David Henningsson [Thu, 25 Aug 2011 11:16:02 +0000 (13:16 +0200)]
ALSA: hda: Conexant: Allow different output types to share DAC

Headphones has stopped working for the original reported (a regression
compared to 2.6.38). This is because Speaker and Headphones share the
same DAC, in which case no Headphones volume control was created.
This patch fixes so that both Speaker and Headphones volume
controls are created in such scenario.

BugLink: http://bugs.launchpad.net/bugs/817943
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agofirmware loader: allow builtin firmware load even if usermodehelper is disabled
Linus Torvalds [Wed, 24 Aug 2011 22:55:30 +0000 (15:55 -0700)]
firmware loader: allow builtin firmware load even if usermodehelper is disabled

In commit a144c6a6c924 ("PM: Print a warning if firmware is requested
when tasks are frozen") we not only printed a warning if somebody tried
to load the firmware when tasks are frozen - we also failed the load.

But that check was done before the check for built-in firmware, and then
when we disallowed usermode helpers during bootup (commit 288d5abec831:
"Boot up with usermodehelper disabled"), that actually means that
built-in modules can no longer load their firmware even if the firmware
is built in too.  Which used to work, and some people depended on it for
the R100 driver.

So move the test for usermodehelper_is_disabled() down, to after
checking the built-in firmware.

This should fix:

https://bugzilla.kernel.org/show_bug.cgi?id=40952

Reported-by: James Cloos <cloos@hjcloos.com>
Bisected-by: Elimar Riesebieter <riesebie@lxtec.de>
Cc: Michel Dänzer <michel@daenzer.net>
Cc: Rafael Wysocki <rjw@sisk.pl>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Valdis Kletnieks <valdis.kletnieks@vt.edu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMerge branch 'for-31-rc3/i2c-fixes' of git://git.fluff.org/bjdooks/linux
Linus Torvalds [Wed, 24 Aug 2011 22:54:30 +0000 (15:54 -0700)]
Merge branch 'for-31-rc3/i2c-fixes' of git://git.fluff.org/bjdooks/linux

* 'for-31-rc3/i2c-fixes' of git://git.fluff.org/bjdooks/linux:
  i2c-nomadik: fix kerneldoc warning
  Revert "i2c-omap: fix static suspend vs. runtime suspend"
  i2c-nomadik: Do not use _interruptible_ variant call

13 years agoi2c-nomadik: fix kerneldoc warning
Linus Walleij [Tue, 9 Aug 2011 18:17:29 +0000 (20:17 +0200)]
i2c-nomadik: fix kerneldoc warning

There was a missing struct item in the kerneldoc, add it and fix
another pretty-printing formatting issue with a missing space.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
13 years agostaging: tidspbridge: fix compilation on dsp clock functions
Omar Ramirez Luna [Wed, 24 Aug 2011 20:07:04 +0000 (15:07 -0500)]
staging: tidspbridge: fix compilation on dsp clock functions

Seen on v3.1-rc3, patch:

omap: mcbsp: Drop in-driver transfer support
bafe2721a0fbd1cc1af04384133684f660f3658e

Removed code that now cause tidspbridge to break while compiling.

Signed-off-by: Omar Ramirez Luna <omar.ramirez@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agoARM: mach-shmobile: sh7372 LCDC1 suspend fix
Magnus Damm [Wed, 24 Aug 2011 20:38:43 +0000 (22:38 +0200)]
ARM: mach-shmobile: sh7372 LCDC1 suspend fix

Associate the HDMI clock together with LCDC1 on sh7372.

Without this patch Suspend-to-RAM hangs on the boards
AP4EVB and Mackerel. The code hangs in the LCDC driver
where the software is waiting forever for the hardware to
power down. By explicitly associating the HDMI clock with
LCDC1 we can make sure the HDMI clock is enabled using
Runtime PM whenever the driver is accessing the hardware.

This HDMI and LCDC1 dependency is documented in the sh7372
data sheet. Older kernels did work as expected but the
recently merged (3.1-rc)

 794d78f drivers: sh: late disabling of clocks V2

introduced code to turn off clocks lacking software reference
which happens to include the HDMI clock that is needed by
LCDC1 to operate as expected.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
13 years agosh-sci / PM: Use power.irq_safe
Rafael J. Wysocki [Wed, 24 Aug 2011 19:41:08 +0000 (21:41 +0200)]
sh-sci / PM: Use power.irq_safe

Since sci_port_enable() and sci_port_disable() may be run with
interrupts off and they execute pm_runtime_get_sync() and
pm_runtime_put_sync(), respectively, the SCI device's
power.irq_safe flag has to be set to indicate that it is safe
to execute runtime PM callbacks for this device with interrupts off.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Magnus Damm <damm@opensource.se>