Commit Graph

12041 Commits

Author SHA1 Message Date
Hans Verkuil f9611240b9 [media] DocBook: in non-blocking mode return EAGAIN in hwseek
VIDIOC_S_HW_FREQ_SEEK should return EAGAIN when called in non-blocking
mode. This might change in the future if we add support for this in the
future, but right now this is not supported.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-09-26 17:49:53 -03:00
Hans Verkuil 6473262e80 [media] DocBook: EAGAIN == EWOULDBLOCK
Merge the two entries since they are one and the same error.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-09-26 17:48:39 -03:00
Hans Verkuil 7c287e91ff [media] Docbook: add missing vidioc-subdev-g-edid.xml
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-09-26 17:45:46 -03:00
Tekkaman Ninja 1980a347a7 Documentation: Fixes some translation error in Documentation/zh_CN/gpio.txt
Fixes some translation error in Documentation/zh_CN/gpio.txt
The modification is based on Dong Aisheng <b29396@freescale.com>'s
corrections:
    1.Two "OUTPUT" is incorrectly translated as "输入";
    2.five improvement of translation;
    3.Delete a redundant paragraph,

Signed-off-by: Fu Wei <tekkamanninja@gmail.com>
Acked-by: Harry Wei <harryxiyou@gmail.com>
Acked-by: Dong Aisheng <b29396@freescale.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-26 13:12:32 -07:00
Tekkaman Ninja 0a4dfa28f4 Documentation: Remove 3 byte redundant code at the head of the Documentation/zh_CN/arm/booting
Remove 3 byte redundant code at the head of
the Documentation/zh_CN/arm/booting

When I see the file Documentation/zh_CN/arm/booting using
Bless(binary Viewer),I find 3 byte redundant in it. So I
make a patch to correcting that error made by me.

Signed-off-by: Fu Wei <tekkamanninja@gmail.com>
Acked-by: Harry Wei <harryxiyou@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-26 13:12:32 -07:00
Tekkaman Ninja 2f05543029 Documentation: Chinese translation of Documentation/video4linux/omap3isp.txt
This is a Chinese translated version of Documentation/video4linux/omap3isp.txt

Signed-off-by: Fu Wei <tekkamanninja@gmail.com>
Acked-by: Harry Wei <harryxiyou@gmail.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-26 13:12:31 -07:00
Hans Verkuil d2210f9e2e [media] Add vfl_dir field documentation
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-09-26 15:34:33 -03:00
Mikulas Patocka e6b5c0822b percpu-rw-semaphore: fix documentation typos
One more patch for this thing, fixing some typos in the documentation.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2012-09-26 19:56:15 +02:00
Daniel Wagner 78a0d8f5d1 Documentation: Update git repository URL for Smack userland tools
The userland git repository has been moved to a new place.

Signed-off-by: Daniel Wagner <daniel.wagner@bmw-carit.de>
Cc: Casey Schaufler <casey@schaufler-ca.com>
Cc: Rob Landley <rob@landley.net>
Cc: linux-security-module@vger.kernel.org
Cc: lkml@vger.kernel.org
2012-09-26 09:24:06 -07:00
Hans Verkuil 06fce2861d [media] DocBook: Mark CROPCAP as optional instead of as compulsory
While the documentation says that VIDIOC_CROPCAP is compulsory for
all video capture and output devices, in practice VIDIOC_CROPCAP is
only implemented for devices that can do cropping and/or scaling.
Update the documentation to no longer require VIDIOC_CROPCAP if the
driver does not support cropping or scaling or non-square pixels.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-09-26 10:41:41 -03:00
Hans Verkuil 0b1f8149a5 [media] DocBook: clarify that sequence is also set for output devices
It was not entirely obvious that the sequence count should also
be set for output devices. Also made it more explicit that this
sequence counter counts frames, not fields.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-09-26 09:59:19 -03:00
Hans Verkuil d7a11e1f18 [media] DocBook: fix awkward language and fix the documented return value
The Video Standard section contains some awkward language. It also wasn't
updated when the error code for unimplemented ioctls changed from EINVAL
to ENOTTY.

[mchehab@redhat.com: remove a misplaced footnote tag]
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-09-26 09:58:00 -03:00
Hans Verkuil 1ff7ebe23d [media] Feature removal: Remove CUSTOM_TIMINGS defines in 3.9
These have been replaced by new defines without the "CUSTOM_" part.
Get rid of the old ones.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-09-26 09:51:20 -03:00
Hans Verkuil 1c4f3c987f [media] Rename V4L2_(IN|OUT)_CAP_CUSTOM_TIMINGS
The 'custom' timings are no longer just for custom timings, but also for standard
CEA/VESA timings. So rename to V4L2_IN/OUT_CAP_DV_TIMINGS.
The old define is still kept for backwards compatibility.
This decision was taken during the 2012 Media Workshop.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-09-26 09:49:37 -03:00
Hans Verkuil 663dc7f3a0 [media] DocBook: document when to return ENODATA
ENODATA should be returned if the API used for getting, changing, querying
or enumerating the current video timings is not supported by the current input
or output.
This was decided during the 2012 Media Workshop.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-09-26 09:46:39 -03:00
Hans Verkuil 9495356f7b [media] DocBook: deprecate V4L2_BUF_TYPE_PRIVATE
As per decision taken during the 2012 Media Workshop.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-09-26 09:44:12 -03:00
Hans Verkuil cd56c8dd50 [media] DocBook: bus_info can no longer be empty
During the 2012 Media Workshop it was decided that bus_info as returned
by VIDIOC_QUERYCAP can no longer be empty. It should be a unique identifier,
and empty strings are obviously not unique.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Reviewed-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-09-26 09:32:08 -03:00
Hans Verkuil 93828d6438 [media] DocBook: make the G/S/TRY_FMT specification more strict
- S/TRY_FMT should always succeed, unless an invalid type field is passed in.
- TRY_FMT should give the same result as S_FMT, all other things being equal.
- ENUMFMT may return different formats for different inputs or outputs.
This was decided during the 2012 Media Workshop.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-09-26 09:30:22 -03:00
Hans Verkuil 6bd4dd27f9 [media] DocBook: improve STREAMON/OFF documentation
Specify that STREAMON/OFF should return 0 if the stream is already
started/stopped.
The spec never specified what the correct behavior is. This ambiguity
was resolved during the 2012 Media Workshop.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-09-26 09:26:57 -03:00
Sakari Ailus 8fd207a1f7 [media] v4l: Remove experimental tag from certain API elements
Remove experimantal tag from the following API elements:
V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY buffer type.
V4L2_CAP_VIDEO_OUTPUT_OVERLAY capability flag.
VIDIOC_ENUM_FRAMESIZES IOCTL.
VIDIOC_ENUM_FRAMEINTERVALS IOCTL.
VIDIOC_G_ENC_INDEX IOCTL.
VIDIOC_ENCODER_CMD and VIDIOC_TRY_ENCODER_CMD IOCTLs.
VIDIOC_DECODER_CMD and VIDIOC_TRY_DECODER_CMD IOCTLs.

Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-09-26 09:22:48 -03:00
Mark Brown 8f6862d4bd regulator: Bypass mode support
Allow regulators to be put into a non-regulating mode bypassing the
 input straight to the output, mostly used by low power retention modes.
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Merge tag 'bypass' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into for-3.7

regulator: Bypass mode support

Allow regulators to be put into a non-regulating mode bypassing the
input straight to the output, mostly used by low power retention modes.
2012-09-26 12:29:31 +01:00
Mikulas Patocka 62ac665ff9 blockdev: turn a rw semaphore into a percpu rw semaphore
This avoids cache line bouncing when many processes lock the semaphore
for read.

New percpu lock implementation

The lock consists of an array of percpu unsigned integers, a boolean
variable and a mutex.

When we take the lock for read, we enter rcu read section, check for a
"locked" variable. If it is false, we increase a percpu counter on the
current cpu and exit the rcu section. If "locked" is true, we exit the
rcu section, take the mutex and drop it (this waits until a writer
finished) and retry.

Unlocking for read just decreases percpu variable. Note that we can
unlock on a difference cpu than where we locked, in this case the
counter underflows. The sum of all percpu counters represents the number
of processes that hold the lock for read.

When we need to lock for write, we take the mutex, set "locked" variable
to true and synchronize rcu. Since RCU has been synchronized, no
processes can create new read locks. We wait until the sum of percpu
counters is zero - when it is, there are no readers in the critical
section.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2012-09-26 07:46:43 +02:00
Paul E. McKenney 593d1006cd Merge remote-tracking branch 'tip/core/rcu' into next.2012.09.25b
Resolved conflict in kernel/sched/core.c using Peter Zijlstra's
approach from https://lkml.org/lkml/2012/9/5/585.
2012-09-25 10:03:56 -07:00
Stephen Warren 396f70be54 mfd: max8907: Remove regulator-compatible from DT docs
Commit "regulator: deprecate regulator-compatible DT property" deprecated
the use of the regulator-compatible DT property. Update the DT example in
the MAX8907 binding documentation to reflect this.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-09-25 15:21:34 +02:00
Stephen Warren 3006b8d665 regulator: tps6586x: remove regulator-compatible from DT docs
Commit "regulator: deprecate regulator-compatible DT property" deprecated
the use of the regulator-compatible DT property. Update the DT example in
the TPS6586x binding documentation to reflect this.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-09-25 13:45:42 +01:00
Stephen Warren 69760cb4d2 regulator: tps65217.txt: remove regulator-compatible from DT docs
Commit "regulator: deprecate regulator-compatible DT property" deprecated
the use of the regulator-compatible DT property. Update the DT example in
the TPS65217 binding documentation to reflect this.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-09-25 13:44:47 +01:00
Stephen Warren 13511def87 regulator: deprecate regulator-compatible DT property
When the bindings for the TPS6586x regulator were being proposed, I
asserted that DT node naming rules for bus child nodes should also be
applied to nodes inside the TPS6586x regulator node itself. In other
words, that each node providing regulator init data should be named
after the type of object it represented ("regulator") and hence that
some other property was required to indicate which regulator the node
described ("regulator-compatible"). In turn this led to multiple nodes
having the same name, thus requiring node names to use a unit address
to make them unique, thus requiring reg properties within the nodes and

However, subsequent discussion indicates that the rules I was asserting
only applies to standardized bus nodes, and within a device's own node,
the binding can basically do anything sane that it wants.

Hence, this change deprecates the register-compatible property, and
instead uses node names to replace this functionality. This greatly
simplifies the device tree content, making them smaller and more legible.

The code is changed such that old device trees continue to work.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-09-25 13:44:47 +01:00
Mark Brown ac48f6cb5f Linux 3.6-rc6
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Merge tag 'v3.6-rc6' into spi-mxs

Linux 3.6-rc6

Conflicts (overlap between moving code that accesses registers around
and factoring the register access out into a SSP layer):
	drivers/mmc/host/mxs-mmc.c
2012-09-25 13:41:02 +01:00
Mark Brown 8e5d0661b3 Linux 3.6-rc6
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Merge tag 'v3.6-rc6' into spi-drivers

Linux 3.6-rc6

Conflicts:
	drivers/spi/spi-omap2-mcspi.c
2012-09-25 13:37:05 +01:00
Lad, Prabhakar 83c735379b [media] v4l: Documentation: change path of video drivers
due to structure change for video drivers, change the
description with correct path.

Signed-off-by: Lad, Prabhakar <prabhakar.lad@ti.com>
Signed-off-by: Manjunath Hadli <manjunath.hadli@ti.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-09-25 08:41:30 -03:00
Roland Stigge 39a6ac11df spi/pl022: Devicetree support w/o platform data
Even with devicetree support, we needed platform data to provide some data,
leading to mixed device tree and platform data. This patch makes it possible to
provide all that information via device tree. Now, the data must be provided
via platform data _or_ device tree completely.

Only in case of DMA where a callback specification is necessary (dma_filter()),
platform data is the only option.

Signed-off-by: Roland Stigge <stigge@antcom.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-09-25 07:06:16 -04:00
Paul E. McKenney bda4ec9f6a Merge branches 'bigrt.2012.09.23a', 'doctorture.2012.09.23a', 'fixes.2012.09.23a', 'hotplug.2012.09.23a' and 'idlechop.2012.09.23a' into HEAD
bigrt.2012.09.23a contains additional commits to reduce scheduling latency
	from RCU on huge systems (many hundrends or thousands of CPUs).

doctorture.2012.09.23a contains documentation changes and rcutorture fixes.

fixes.2012.09.23a contains miscellaneous fixes.

hotplug.2012.09.23a contains CPU-hotplug-related changes.

idle.2012.09.23a fixes architectures for which RCU no longer considered
	the idle loop to be a quiescent state due to earlier
	adaptive-dynticks changes.  Affected architectures are alpha,
	cris, frv, h8300, m32r, m68k, mn10300, parisc, score, xtensa,
	and ia64.
2012-09-24 20:02:22 -07:00
Cong Wang 7b55279f6a NFC: Remove the pn544 raw driver
This was scheduled for 3.6, we're late.

Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-09-25 00:17:27 +02:00
Greg Kroah-Hartman a0693bd0aa Revert "usb : Add sysfs files to control port power."
This reverts commit ca9c9d0c92.

Rafael wants more time to work on the user api to handle port power
issues, so let's just revert the sysfs changes for now.

Reported-by: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Lan Tianyu <tianyu.lan@intel.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-24 13:04:02 -07:00
Daniel Vetter 398b7a1b88 Linux 3.6-rc7
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Merge tag 'v3.6-rc7' into drm-intel-next-queued

Manual backmerge of -rc7 to resolve a silent conflict leading to
compile failure in drivers/gpu/drm/i915/intel_hdmi.c.

This is due to the bugfix in -rc7:

commit b98b601672
Author: Wang Xingchao <xingchao.wang@intel.com>
Date:   Thu Sep 13 07:43:22 2012 +0800

    drm/i915: HDMI - Clear Audio Enable bit for Hot Plug

Since this code moved around a lot in -next git put that snippet at
the wrong spot. I've tried to fix this by making the conflict explicit
by merging a version for next with:

commit 3cce574f01
Author: Wang Xingchao <xingchao.wang@intel.com>
Date:   Thu Sep 13 11:19:00 2012 +0800

    drm/i915: HDMI - Clear Audio Enable bit for Hot Plug unconditionally

But that failed to solve the entire problem. To avoid pushing out
further -nightly branch to our QA where this is broken, do the
backmerge and manually add the stuff git adds to -next from the patch
in -fixes.

Note that this doesn't show up in git's merge diff (and hence is also
not handled by git rerere), which adds to the reasons why I'd like to
fix this with a verbose backmerge. The git merge diff only shows a
bunch of trivial conflicts of the "code changed in lines next to each
another" kind.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-09-24 18:17:12 +02:00
Vikas Chaudhary a9b0347f4d [SCSI] qla4xxx: update copyrights in LICENSE.qla4xxx
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-09-24 12:41:34 +04:00
Chad Dupuis 46152ceb7c [SCSI] qla2xxx: Update the driver copyright.
Update the driver copyright from 2003-2011 to 2003-2012.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-09-24 12:10:49 +04:00
Amit Daniel Kachhap c48cbba6fe hwmon: exynos4: move thermal sensor driver to driver/thermal directory
This movement is needed because the hwmon entries and corresponding sysfs
interface is a duplicate of utilities already provided by
driver/thermal/thermal_sys.c.  The goal is to place it in thermal folder
and add necessary functions to use the in-kernel thermal interfaces.

Signed-off-by: Amit Daniel Kachhap <amit.kachhap@linaro.org>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: SangWook Ju <sw.ju@samsung.com>
Cc: Durgadoss <durgadoss.r@intel.com>
Cc: Len Brown <lenb@kernel.org>
Cc: Jean Delvare <khali@linux-fr.org>
Cc: Kyungmin Park <kmpark@infradead.org>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2012-09-24 14:44:38 +08:00
Amit Daniel Kachhap 0236141837 thermal: add generic cpufreq cooling implementation
This patchset introduces a new generic cooling device based on cpufreq
that can be used on non-ACPI platforms.  As a proof of concept, we have
drivers for the following platforms using this mechanism now:

 * Samsung Exynos (Exynos4 and Exynos5) in the current patchset.
 * Freescale i.MX (git://git.linaro.org/people/amitdanielk/linux.git imx6q_thermal)

There is a small change in cpufreq cooling registration APIs, so a minor
change is needed for Freescale platforms.

Brief Description:

1) The generic cooling devices code is placed inside driver/thermal/*
   as placing inside acpi folder will need un-necessary enabling of acpi
   code.  This code is architecture independent.

2) This patchset adds generic cpu cooling low level implementation
   through frequency clipping.  In future, other cpu related cooling
   devices may be added here.  An ACPI version of this already exists
   (drivers/acpi/processor_thermal.c) .But this will be useful for
   platforms like ARM using the generic thermal interface along with the
   generic cpu cooling devices.  The cooling device registration API's
   return cooling device pointers which can be easily binded with the
   thermal zone trip points.  The important APIs exposed are,

   a) struct thermal_cooling_device *cpufreq_cooling_register(
        struct cpumask *clip_cpus)
   b) void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev)

3) Samsung exynos platform thermal implementation is done using the
   generic cpu cooling APIs and the new trip type.  The temperature sensor
   driver present in the hwmon folder(registered as hwmon driver) is moved
   to thermal folder and registered as a thermal driver.

A simple data/control flow diagrams is shown below,

Core Linux thermal <----->  Exynos thermal interface <----- Temperature Sensor
          |                             |
         \|/                            |
  Cpufreq cooling device <---------------

TODO:
*Will send the DT enablement patches later after the driver is merged.

This patch:

Add support for generic cpu thermal cooling low level implementations
using frequency scaling up/down based on the registration parameters.
Different cpu related cooling devices can be registered by the user and
the binding of these cooling devices to the corresponding trip points can
be easily done as the registration APIs return the cooling device pointer.
The user of these APIs are responsible for passing clipping frequency .
The drivers can also register to recieve notification about any cooling
action called.

[akpm@linux-foundation.org: fix comment layout]
Signed-off-by: Amit Daniel Kachhap <amit.kachhap@linaro.org>
Cc: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: SangWook Ju <sw.ju@samsung.com>
Cc: Durgadoss <durgadoss.r@intel.com>
Cc: Len Brown <lenb@kernel.org>
Cc: Jean Delvare <khali@linux-fr.org>
Cc: Kyungmin Park <kmpark@infradead.org>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2012-09-24 14:44:38 +08:00
Zhang Rui 9d99842f99 Thermal: set upper and lower limits
set upper and lower limits when binding
a thermal cooling device to a thermal zone device.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Rafael J. Wysocki <rjw@sisk.pl>
Reviewed-by: Eduardo Valentin <eduardo.valentin@ti.com>
2012-09-24 14:44:36 +08:00
Olof Johansson db404e72bb Update arch-vt8500 and drivers to device tree and
remove existing non-dt code.
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Merge tag 'vt8500-for-next' of git://git.code.sf.net/p/linuxwmt/code into next/dt

From Tony Prisk:

Update arch-vt8500 and drivers to device tree and
remove existing non-dt code.

* tag 'vt8500-for-next' of git://git.code.sf.net/p/linuxwmt/code:
  arm: vt8500: Update arch-vt8500 to devicetree support.
  arm: vt8500: gpio: Devicetree support for arch-vt8500
  arm: vt8500: doc: Add device tree bindings for arch-vt8500 devices
  arm: vt8500: clk: Add Common Clock Framework support
  video: vt8500: Add devicetree support for vt8500-fb and wm8505-fb
  serial: vt8500: Add devicetree support for vt8500-serial
  rtc: vt8500: Add devicetree support for vt8500-rtc
  arm: vt8500: Add device tree files for VIA/Wondermedia SoC's

Resolved add/change conflict in drivers/clk/Makefile.

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-09-23 21:51:39 -07:00
Sven Schuchmann 592758b12f hwmon: (mcp3021) Add MCP3221 support
This Patch adds support for mcp3221 chip to the
mcp3021 driver.

Signed-off-by: Sven Schuchmann <schuchmann@schleissheimer.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2012-09-23 21:08:36 -07:00
Guenter Roeck dc92cd0c13 hwmon: (ina2xx) Add support for INA220 and INA230
INA220 is register compatible to INA219, and INA230 is register compatible to
INA226, so all we need to do is to add name aliases for those two chips.

Cc: Lothar Felten <l-felten@ti.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Jean Delvare <khali@linux-fr.org>
2012-09-23 21:08:35 -07:00
Christophe Leroy a86e94dc94 hwmon: (lm70) Add support for LM71 and LM74
Add support for LM74 and LM71 to LM70 driver.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2012-09-23 21:08:34 -07:00
Guenter Roeck 367eb2ee8a hwmon: (Documentation) Update feature-removal-schedule.txt
Legacy sysfs attributes for chassis intrusion detection have been removed.
Update feature-removal-schedule.txt to reflect it.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Jean Delvare <khali@linux-fr.org>
2012-09-23 21:08:34 -07:00
Christophe Leroy 146ab288bb hwmon: (lm70) Allow 4wire SPI bus with LM70
Removing the 3wire limitation on LM70 as the component also allows
operation on 4wire SPI bus

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2012-09-23 21:08:34 -07:00
Vivien Didelot 6c1fe725fd hwmon: add Maxim MAX197 support
The MAX197 is an A/D converter, made by Maxim. This driver currently
supports the MAX197, and MAX199. They are both 8-Channel, Multi-Range,
5V, 12-Bit DAS with 8+4 Bus Interface and Fault Protection.

The available ranges for the MAX197 are {0,-5V} to 5V, and {0,-10V} to
10V, while they are {0,-2V} to 2V, and {0,-4V} to 4V on the MAX199.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2012-09-23 21:08:33 -07:00
Hartmut Knaack 983b97bed2 hwmon: Driver for ADT7410
This patch brings basic support for the Analog Devices ADT7410 temperature
sensor. The following functionality has been implemented:

  * get current temperature
  * get/set minimum, maximum and critical temperature
  * get/set hysteresis
  * get alarm events for minimum, maximum and critical temperature

All implemented sysfs attributes have been sucessfully tested at temperatures
of 15°C to 40°C.

Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2012-09-23 21:08:33 -07:00
Evgeny Plehov 81800159ef [media] DocBook: Multistream support
Document the multistream support at the DVBAPI, describing
what delivery systems currently support it (DVB-T2, DVB-S2,
ISDB-S).

DVBAPI version increased to 5.8.

[mchehab@redhat.com: Made some corrections - mostly language]
Signed-off-by: Evgeny Plehov <EvgenyPlehov@ukr.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-09-23 21:26:15 -03:00
Mariusz Bia?o?czyk f667190be1 [media] Add support for Prof Revolution DVB-S2 8000 PCI-E card
The device is based on STV0903 demodulator, STB6100 tuner
and CX23885 chipset; subsystem id: 8000:3034
This is a modified version of the official Prof Tuners Group patch:
http://www.proftuners.com/sites/default/files/prof8000_0.patch

[mchehab@redhat.com: trivial merge conflict fixup]
Signed-off-by: Mariusz Bialonczyk <manio@skyboo.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-09-23 20:02:07 -03:00
Paul E. McKenney 86f343b50b rcu: Fix CONFIG_RCU_FAST_NO_HZ stall warning message
The print_cpu_stall_fast_no_hz() function attempts to print -1 when
the ->idle_gp_timer is not pending, but unsigned arithmetic causes it
to instead print ULONG_MAX, which is 4294967295 on 32-bit systems and
18446744073709551615 on 64-bit systems.  Neither of these are the most
reader-friendly values, so this commit instead causes "timer not pending"
to be printed when ->idle_gp_timer is not pending.

Reported-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
2012-09-23 07:42:52 -07:00
Paul E. McKenney 2aef619c75 rcu: Document SRCU dead-CPU capabilities, emphasize read-side limits
The current documentation did not help someone grepping for SRCU to
learn that disabling preemption is not a replacement for srcu_read_lock(),
so upgrade the documentation to bring this out, not just for SRCU,
but also for RCU-bh.  Also document the fact that SRCU readers are
respected on CPUs executing in user mode, idle CPUs, and even on
offline CPUs.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Reviewed-by: Lai Jiangshan <laijs@cn.fujitsu.com>
2012-09-23 07:42:23 -07:00
Paul E. McKenney d40011f601 rcu: Control grace-period duration from sysfs
Although almost everyone is well-served by the defaults, some uses of RCU
benefit from shorter grace periods, while others benefit more from the
greater efficiency provided by longer grace periods.  Situations requiring
a large number of grace periods to elapse (and wireshark startup has
been called out as an example of this) are helped by lower-latency
grace periods.  Furthermore, in some embedded applications, people are
willing to accept a small degradation in update efficiency (due to there
being more of the shorter grace-period operations) in order to gain the
lower latency.

In contrast, those few systems with thousands of CPUs need longer grace
periods because the CPU overhead of a grace period rises roughly
linearly with the number of CPUs.  Such systems normally do not make
much use of facilities that require large numbers of grace periods to
elapse, so this is a good tradeoff.

Therefore, this commit allows the durations to be controlled from sysfs.
There are two sysfs parameters, one named "jiffies_till_first_fqs" that
specifies the delay in jiffies from the end of grace-period initialization
until the first attempt to force quiescent states, and the other named
"jiffies_till_next_fqs" that specifies the delay (again in jiffies)
between subsequent attempts to force quiescent states.  They both default
to three jiffies, which is compatible with the old hard-coded behavior.

At some future time, it may be possible to automatically increase the
grace-period length with the number of CPUs, but we do not yet have
sufficient data to do a good job.  Preliminary data indicates that we
should add an addiitonal jiffy to each of the delays for every 200 CPUs
in the system, but more experimentation is needed.  For now, the number
of systems with more than 1,000 CPUs is small enough that this can be
relegated to boot-time hand tuning.

Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
2012-09-23 07:41:54 -07:00
Paul E. McKenney 4605c0143c rcu: Adjust debugfs tracing for kthread-based quiescent-state forcing
Moving quiescent-state forcing into a kthread dispenses with the need
for the ->n_rp_need_fqs field, so this commit removes it.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
2012-09-23 07:41:54 -07:00
Alex Williamson 7a84428af7 KVM: Add resampling irqfds for level triggered interrupts
To emulate level triggered interrupts, add a resample option to
KVM_IRQFD.  When specified, a new resamplefd is provided that notifies
the user when the irqchip has been resampled by the VM.  This may, for
instance, indicate an EOI.  Also in this mode, posting of an interrupt
through an irqfd only asserts the interrupt.  On resampling, the
interrupt is automatically de-asserted prior to user notification.
This enables level triggered interrupts to be posted and re-enabled
from vfio with no userspace intervention.

All resampling irqfds can make use of a single irq source ID, so we
reserve a new one for this interface.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
2012-09-23 13:50:15 +02:00
Olof Johansson 40169a7c39 Merge branch 'for-arm-soc-next' of git://git.linaro.org/people/ljones/linux-3.0-ux500 into next/dt
* 'for-arm-soc-next' of git://git.linaro.org/people/ljones/linux-3.0-ux500:
  ARM: ux500: Fix SSP register address format
  ARM: ux500: Apply tc3589x's GPIO/IRQ properties to HREF's DT
  ARM: ux500: Remove redundant #gpio-cell properties from Snowball DT
  ARM: ux500: Add all encompassing sound node to the HREF Device Tree
  ARM: ux500: Add nodes for the MSP into the HREF Device Tree
  ARM: ux500: Add all known I2C sub-device nodes to the HREF DT
  ARM: ux500: Stop registering I2C sub-devices for HREF when DT is enabled
  ARM: ux500: Stop registering Audio devices for HREF when DT is enabled
  ARM: ux500: Add all encompassing sound node to the Snowball Device Tree
  ARM: ux500: Add nodes for the MSP into Device Tree
  ARM: ux500: Rename MSP board file to something more meaningful
  ARM: ux500: Remove platform registration of MSP devices
  ARM: ux500: Stop registering the MOP500 Audio driver from platform code
  ARM: ux500: Pass MSP DMA platform data though AUXDATA
  ARM: ux500: Fork MSP platform registration for step-by-step DT enablement
  ARM: ux500: Add AB8500 CODEC node to DB8500 Device Tree
  ARM: ux500: Clean-up MSP platform code
  ARM: ux500: Pass SDI DMA information though AUX_DATA to MMCI
  ARM: ux500: Add UART support to the HREF Device Tree
  ARM: ux500: Add skeleton Device Tree for the HREF reference board
  ...
  + sync to v3.6-rc6
2012-09-22 22:20:37 -07:00
Mark Brown 2ef39e606b Merge remote-tracking branch 'asoc/topic/ux500' into for-3.7 2012-09-22 18:47:58 -04:00
Olof Johansson c740ae7404 Merge branch 'kirkwood/drivers' of git://git.infradead.org/users/jcooper/linux into late/kirkwood
From Jason Cooper:

New drivers:
 - pinctrl (dove, kirkwood, mvebu)
 - gpio (mvebu)

* 'kirkwood/drivers' of git://git.infradead.org/users/jcooper/linux:
  arm: mvebu: add gpio support in defconfig
  arm: mvebu: add DT information for GPIO banks on Armada 370 and XP
  arm: mvebu: use GPIO support now that a driver is available
  Documentation: add description of DT binding for the gpio-mvebu driver
  gpio: introduce gpio-mvebu driver for Marvell SoCs
  arm: mvebu: select the pinctrl drivers for Armada 370 and Armada XP platforms
  arm: mvebu: split Kconfig options for Armada 370 and XP
  ARM: mvebu: adjust Armada XP evaluation board DTS
  ARM: mvebu: Add pinctrl support to Armada 370 SoC
  ARM: mvebu: Add pinctrl support to Armada XP SoCs
  pinctrl: mvebu: add pinctrl driver for Armada XP
  pinctrl: mvebu: add pinctrl driver for Armada 370
  pinctrl: mvebu: kirkwood pinctrl driver
  pinctrl: mvebu: dove pinctrl driver
  pinctrl: mvebu: pinctrl driver core

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-09-22 14:23:11 -07:00
Olof Johansson d6a93ceb3f Merge branch 'kirkwood/dt' of git://git.infradead.org/users/jcooper/linux into late/kirkwood
From Jason Cooper:

New bindings:
  - iconnect nand and keys
  - mv_cesa
  - gpio-fan

* 'kirkwood/dt' of git://git.infradead.org/users/jcooper/linux:
  ARM: kirkwood: Use devicetree to define DNS-32[05] fan
  hwmon: Add devicetree bindings to gpio-fan
  Crypto: CESA: Add support for DT based instantiation.
  ARM: Kirkwood: Describe iconnect nand in DT.
  ARM: Kirkwood: Describe iconnect keys in DT.
2012-09-22 13:24:09 -07:00
Olof Johansson 80868a3691 Merge branch 'kirkwood/boards' of git://git.infradead.org/users/jcooper/linux into late/kirkwood
* 'kirkwood/boards' of git://git.infradead.org/users/jcooper/linux:
  ARM: Dove: allow PCI to be disabled
  ARM: dove: SolidRun CuBox DT
  ARM: dove: add device tree descriptors
  ARM: dove: add device tree based machine descriptor
  ARM: dove: add crypto engine
  ARM: dove: add clock gating control
  ARM: dove: unify clock setup
  ARM: initial DTS support for km_kirkwood
  arm: add documentation describing Marvell families of SoC
  ARM: kirkwood: DT descriptor for Seagate FreeAgent Dockstar
  ARM: kirkwood: DT board setup for Seagate FreeAgent Dockstar
  ARM: Kirkwood: Iomega ix2-200 DT support

Context conflicts in arch/arm/Kconfig and arch/arm/mach-dove/common.c.

The new device trees added to arch/arm/mach-kirkwood/Makefile.boot are
kept and dealt with in a separate changeset, since moving them out to
the new Makefile in this merge commit doesn't work well.

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-09-22 13:22:21 -07:00
Richard Cochran de46584675 ptp: clarify the clock_name sysfs attribute
There has been some confusion among PHC driver authors about the
intended purpose of the clock_name attribute. This patch expands the
documation in order to clarify how the clock_name field should be
understood.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-22 15:42:46 -04:00
Takashi Iwai 3d98c21d06 ASoC: Updates for v3.7
Lots and lots of driver specific cleanups and enhancements but the only
 substantial framework feature this time round is the compressed API
 binding:
 
 - Addition of ASoC bindings for the compressed API, used by the mid-x86
   drivers.
 - Lots of cleanups and API refreshes for CODEC drivers and DaVinci.
 - Conversion of OMAP to dmaengine.
 - New machine driver for Wolfson Microelectronics Bells.
 - New CODEC driver for Wolfson Microelectronics WM0010.
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Merge tag 'asoc-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next

ASoC: Updates for v3.7

Lots and lots of driver specific cleanups and enhancements but the only
substantial framework feature this time round is the compressed API
binding:

- Addition of ASoC bindings for the compressed API, used by the mid-x86
  drivers.
- Lots of cleanups and API refreshes for CODEC drivers and DaVinci.
- Conversion of OMAP to dmaengine.
- New machine driver for Wolfson Microelectronics Bells.
- New CODEC driver for Wolfson Microelectronics WM0010.
2012-09-22 18:31:08 +02:00
Mark Brown ddfb43f388 Linux 3.6-rc6
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Merge tag 'v3.6-rc6' into for-3.7

Linux 3.6-rc6 has all our bug fixes.

Conflicts (trivial overlap):
	sound/soc/omap/am3517evm.c
2012-09-22 11:26:27 -04:00
Peter Ujfalusi 7bf7ff6f57 mfd: twl4030-audio: Add DT support
Support for loading the twl4030 audio module via devicetree.
Sub devices for codec and vibra will be created as mfd devices once the
core MFD driver is loaded when the kernel is booted with a DT blob.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-09-22 11:15:04 -04:00
Thomas Petazzoni 3619ac02f1 Documentation: add description of DT binding for the gpio-mvebu driver
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Linus Walleij <linus.walleij@stericsson.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Gregory Clement <gregory.clement@free-electrons.com>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2012-09-22 14:51:37 +00:00
Thomas Petazzoni 463e270f76 pinctrl: mvebu: add pinctrl driver for Armada XP
This pinctrl driver is not a full-blown pinctrl driver from scratch:
it relies on the common pinctrl-mvebu driver, which is used for all
Marvell EBU SoCs.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2012-09-22 14:50:20 +00:00
Thomas Petazzoni 5f597bb2be pinctrl: mvebu: add pinctrl driver for Armada 370
This pinctrl driver is not a full-blown pinctrl driver from scratch:
it relies on the common pinctrl-mvebu driver, which is used for all
Marvell EBU SoCs.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2012-09-22 14:50:19 +00:00
Sebastian Hesselbarth 9d4b1632bc pinctrl: mvebu: kirkwood pinctrl driver
This patch adds a SoC specific pinctrl driver for Marvell Kirkwood SoCs
plus DT binding documentation. This driver will use the mvebu pinctrl
driver core.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: Stephen Warren <swarren@wwwdotorg.org>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2012-09-22 14:50:17 +00:00
Sebastian Hesselbarth c9f95cedfe pinctrl: mvebu: dove pinctrl driver
This patch adds a SoC specific pinctrl driver for Marvell Dove SoCs
plus DT binding documentation. This driver will use the mvebu pinctrl
driver core.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2012-09-22 14:50:16 +00:00
Sebastian Hesselbarth 7e8d941567 pinctrl: mvebu: pinctrl driver core
This patch adds a pinctrl driver core for Marvell SoCs plus DT
binding documentation. This core driver will be used by SoC family
specific drivers, i.e. Armada XP, Armada 370, Dove, Kirkwood, aso.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

Conflicts:

	arch/arm/Kconfig
2012-09-22 14:50:14 +00:00
Jamie Lentin 55fb8b0681 hwmon: Add devicetree bindings to gpio-fan
Allow a gpio-fan to be defined in devicetree, see binding documentation
for details.

Signed-off-by: Jamie Lentin <jm@lentin.co.uk>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2012-09-22 14:40:49 +00:00
Andrew Lunn f37fbd36c5 Crypto: CESA: Add support for DT based instantiation.
Based on work by Michael Walle and Jason Cooper.

Added support for getting the interrupt number and address of SRAM
from DT.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

Conflicts:

	arch/arm/mach-kirkwood/board-dt.c
2012-09-22 14:40:00 +00:00
Olof Johansson e3a66aa33a Merge branch 'multiplatform/platform-data' into next/multiplatform
* multiplatform/platform-data:
  ARM: spear: move platform_data definitions
  ARM: samsung: move platform_data definitions
  ARM: orion: move platform_data definitions
  ARM: nomadik: move platform_data definitions
  ARM: w90x900: move platform_data definitions
  ARM: vt8500: move platform_data definitions
  ARM: tegra: move sdhci platform_data definition
  ARM: sa1100: move platform_data definitions
  ARM: pxa: move platform_data definitions
  ARM: netx: move platform_data definitions
  ARM: msm: move platform_data definitions
  ARM: imx: move platform_data definitions
  ARM: ep93xx: move platform_data definitions
  ARM: davinci: move platform_data definitions
  ARM: at91: move platform_data definitions

Conflicts due to removed files:
	arch/arm/mach-tegra/board-harmony.c
	arch/arm/mach-tegra/board-trimslice.c

Conflicts due to code removal:
	arch/arm/mach-tegra/board-paz00.c

Context conflicts in:
	drivers/mmc/host/sdhci-tegra.c
	drivers/net/irda/pxaficp_ir.c

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-09-22 01:07:21 -07:00
Olof Johansson 8437de04d1 Merge branch 'next/devel-samsung' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc
Misc SoC-related fixes/cleanups for Samsung platforms

* 'next/devel-samsung' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: SAMSUNG: Add check for NULL in clock interface
  ARM: EXYNOS: Put PCM, Slimbus, Spdif clocks to off state
  ARM: EXYNOS: Add bus clock for FIMD
  ARM: SAMSUNG: Fix HDMI related warnings
  ARM: S3C24XX: Add .get_rate callback for "camif-upll" clock
  ARM: EXYNOS: Fix incorrect help text
  ARM: EXYNOS: Turn off clocks for NAND, OneNAND and TSI controllers
  + sync to 3.6-rc6
2012-09-21 23:00:41 -07:00
H. Peter Anvin 49b8c695e3 Merge branch 'x86/fpu' into x86/smap
Reason for merge:
       x86/fpu changed the structure of some of the code that x86/smap
       changes; mostly fpu-internal.h but also minor changes to the
       signal code.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

Resolved Conflicts:
	arch/x86/ia32/ia32_signal.c
	arch/x86/include/asm/fpu-internal.h
	arch/x86/kernel/signal.c
2012-09-21 17:18:44 -07:00
AnilKumar Ch 2469627d17 can: c_can: Add device tree support to Bosch C_CAN/D_CAN controller
Add device tree support to C_CAN/D_CAN controller and usage details
are added to device tree documentation. Driver was tested on AM335x
EVM.

Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
For the of binding doc:
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2012-09-21 23:58:47 +02:00
H. Peter Anvin 52b6179ac8 x86, smap: Turn on Supervisor Mode Access Prevention
If Supervisor Mode Access Prevention is available and not disabled by
the user, turn it on.  Also fix the expansion of SMEP (Supervisor Mode
Execution Prevention.)

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/r/1348256595-29119-10-git-send-email-hpa@linux.intel.com
2012-09-21 12:45:27 -07:00
Christoph Fritz 5e953778a2 ipconfig: add nameserver IPs to kernel-parameter ip=
On small systems (e.g. embedded ones) IP addresses are often configured
by bootloaders and get assigned to kernel via parameter "ip=".  If set to
"ip=dhcp", even nameserver entries from DHCP daemons are handled. These
entries exported in /proc/net/pnp are commonly linked by /etc/resolv.conf.

To configure nameservers for networks without DHCP, this patch adds option
<dns0-ip> and <dns1-ip> to kernel-parameter 'ip='.

Signed-off-by: Christoph Fritz <chf.fritz@googlemail.com>
Tested-by: Jan Weitzel <j.weitzel@phytec.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-21 14:51:21 -04:00
Alex Williamson b37b593e20 vfio: Trivial Documentation correction
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2012-09-21 10:48:03 -06:00
Philipp Zabel 2d62da8ebd staging: drm/imx: Add devicetree binding documentation
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-21 09:17:06 -07:00
Thomas Petazzoni 903234673f arm: add documentation describing Marvell families of SoC
As stated in the introduction of the document, the families of ARM
SoCs at Marvell are very complicated, and it is difficult for
newcomers to understand the organization of this SoC family and how it
relates to the Linux kernel support for those hardware platforms.

This document is only at RFC stage for now, it requires reviews and
comments from the Marvell maintainers, the PXA maintainers and the MMP
maintainers. For correctness of course, but also to add any other
information that would be useful. For example, one of the thing that
wasn't clear how to detail in the documentation is how the SoCs relate
to each other in terms of hardware IP blocks. For example, most of the
Kirkwood/Dove/Armada 370-XP/etc. hardware IPs (I2C, SPI, USB, SATA,
etc.) are identical, while the PXA and MMP families are completely
separate.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Gregory Clement <gregory.clement@free-electrons.com>
Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: Nicolas Pitre <nico@fluxnic.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Olof Johansson <olof@lixom.net>
Cc: Lior Amsalem <alior@marvell.com>
Cc: Maen Suleiman <maen@marvell.com>
Cc: Tawfik Bayouk <tawfik@marvell.com>
Cc: Shadi Ammouri <shadi@marvell.com>
Cc: Eran Ben-Avi <benavi@marvell.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2012-09-21 15:13:19 +00:00
Zhangfei Gao 37586e0b9c ARM: dt: mmp-dma: add binding file
Signed-off-by: Zhangfei Gao <zhangfei.gao@marvell.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
2012-09-21 15:51:26 +08:00
Tony Prisk 95e9fd10f0 arm: vt8500: doc: Add device tree bindings for arch-vt8500 devices
Bindings for gpio, interrupt controller, power management controller,
timer, realtime clock, serial uart, ehci and uhci controllers and
framebuffer controllers used on the arch-vt8500 platform.

Framebuffer binding also specifies a 'display' node which is required
for determining the lcd panel data.

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
2012-09-21 19:23:58 +12:00
Olof Johansson b612a85792 Merge branch 'next/soc' into next/multiplatform
* next/soc: (50 commits)
  ARM: OMAP: AM33xx hwmod: fixup SPI after platform_data move
  MAINTAINERS: add an entry for the BCM2835 ARM sub-architecture
  ARM: bcm2835: instantiate console UART
  ARM: bcm2835: add stub clock driver
  ARM: bcm2835: add system timer
  ARM: bcm2835: add interrupt controller driver
  ARM: add infra-structure for BCM2835 and Raspberry Pi
  ARM: tegra20: add CPU hotplug support
  ARM: tegra30: add CPU hotplug support
  ARM: tegra: clean up the common assembly macros into sleep.h
  ARM: tegra: replace the CPU CAR access code by tegra_cpu_car_ops
  ARM: tegra: introduce tegra_cpu_car_ops structures
  ARM: Tegra: Add smp_twd clock for Tegra20
  ARM: AM33XX: clock: Add dcan clock aliases for device-tree
  ARM: OMAP2+: dpll: Add missing soc_is_am33xx() check for common functions
  ARM: OMAP: omap_device: idle devices with no driver bound
  ARM: OMAP: omap_device: don't attempt late suspend if no driver bound
  ARM: OMAP: omap_device: keep track of driver bound status
  ARM: OMAP3+: hwmod: Add AM33XX HWMOD data
  ARM: OMAP2+: hwmod: Hook-up am33xx support in omap_hwmod framework
  ...

Change/remove conflict in arch/arm/mach-ux500/clock.c resolved.

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-09-20 21:27:41 -07:00
Olof Johansson ea832c41da Merge branch 'next/dt' into next/multiplatform
* next/dt: (182 commits)
  ARM: tegra: Add Avionic Design Tamonten Evaluation Carrier support
  ARM: tegra: Add Avionic Design Medcom-Wide support
  ARM: tegra: Add Avionic Design Plutux support
  ARM: tegra: Add Avionic Design Tamonten support
  ARM: tegra: dts: Add pwm label
  ARM: dt: tegra: whistler: configure power off
  ARM: mxs: m28evk: Disable OCOTP OUI loading
  ARM: imx6q: use pll2_pfd2_396m as the enfc_sel's parent
  ARM: dts: imx6q-sabrelite: add usbotg pinctrl support
  ARM: dts: imx23-olinuxino: Add USB host support
  ARM: dts: imx6q-sabrelite: add usbmisc device
  ARM: dts: mx23: Add USB resources
  ARM: dts: mxs: Add ethernetX to macX aliases
  ARM: msm: Remove non-DT targets from 8960
  ARM: msm: Add DT support for 8960
  ARM: msm: Move io mapping prototypes to common.h
  ARM: msm: Rename board-msm8x60 to signify its DT only status
  ARM: msm: Make 8660 a DT only target
  ARM: msm: Move 8660 to DT timer
  ARM: msm: Add DT support to msm_timer
  ...
2012-09-20 21:16:43 -07:00
Olof Johansson 32dec75349 ARM: tegra: switch to dmaengine
The Tegra code-base has contained both a legacy DMA and a dmaengine
 driver since v3.6-rcX. This series flips Tegra's defconfig to enable
 dmaengine rather than the legacy driver, and removes the legacy driver
 and all client code.
 
 The branch is based on v3.6-rc6 in order to pick up a bug-fix to the
 ASoC Tegra PCM driver that's required for audio to work correctly when
 using dmaengine.
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Merge tag 'tegra-for-3.7-dmaengine' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/cleanup

ARM: tegra: switch to dmaengine

The Tegra code-base has contained both a legacy DMA and a dmaengine
driver since v3.6-rcX. This series flips Tegra's defconfig to enable
dmaengine rather than the legacy driver, and removes the legacy driver
and all client code.

* tag 'tegra-for-3.7-dmaengine' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  ASoC: tegra: remove support of legacy DMA driver based access
  spi: tegra: remove support of legacy DMA driver based access
  ARM: tegra: apbio: remove support of legacy DMA driver based access
  ARM: tegra: dma: remove legacy APB DMA driver
  ARM: tegra: config: enable dmaengine based APB DMA driver
  + sync to 3.6-rc6
2012-09-20 19:57:38 -07:00
Olof Johansson 3aec092eed ARM: add basic BCM2835 SoC and Raspberry Pi board support
The BCM2835 is an ARM SoC from Broadcom. This patch adds very basic
 support for this SoC; enough to boot the system into an initrd with
 UART console, interrupt controller, timers, and a stub clock driver.
 
 Also provided is a similarly basic device tree for the Raspberry Pi
 Model B board.
 
 This series was written by Simon Arlott, Chris Boot, and Dom Cobley
 downstream, with reference to a Broadcom tree, and modified for upstream
 and submitted by Stephen Warren.
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Merge tag 'rpi-for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-rpi into next/soc

ARM: add basic BCM2835 SoC and Raspberry Pi board support

The BCM2835 is an ARM SoC from Broadcom. This patch adds very basic
support for this SoC; enough to boot the system into an initrd with
UART console, interrupt controller, timers, and a stub clock driver.

Also provided is a similarly basic device tree for the Raspberry Pi
Model B board.

This series was written by Simon Arlott, Chris Boot, and Dom Cobley
downstream, with reference to a Broadcom tree, and modified for upstream
and submitted by Stephen Warren.

* tag 'rpi-for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-rpi:
  MAINTAINERS: add an entry for the BCM2835 ARM sub-architecture
  ARM: bcm2835: instantiate console UART
  ARM: bcm2835: add stub clock driver
  ARM: bcm2835: add system timer
  ARM: bcm2835: add interrupt controller driver
  ARM: add infra-structure for BCM2835 and Raspberry Pi
2012-09-20 17:10:51 -07:00
Olof Johansson 78901d05e7 Merge branch 'next/dt-gscaler' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/drivers
From Kukjin Kim:

Here is G-Scaler DT for supporting EXYNOS5 SoCs.

* 'next/dt-gscaler' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: EXYNOS: Adds G-Scaler device from Device Tree
  ARM: EXYNOS: Add clock support for G-Scaler
2012-09-20 16:44:06 -07:00
Olof Johansson 827cbe7188 Merge branch 'next/pinctrl-samsung' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/drivers
From Kukjin Kim:

This branch is for supporting pinctrl for Samsung EXYNOS. Now this can
support EXYNOS4210 and other EXYNOS SoCs such as EXYNOS4X12 will be
supported next time.

* 'next/pinctrl-samsung' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: EXYNOS: Enable pinctrl driver support for EXYNOS4 device tree enabled platform
  ARM: dts: Add pinctrl node entries for SAMSUNG EXYNOS4210 SoC
  ARM: EXYNOS: skip wakeup interrupt setup if pinctrl driver is used
  gpio: exynos4: skip gpiolib registration if pinctrl driver is used
  pinctrl: add exynos4210 specific extensions for samsung pinctrl driver
  pinctrl: add samsung pinctrl and gpiolib driver
2012-09-20 16:41:32 -07:00
Olof Johansson fc0b60ae95 Merge branch 'next/gpio-samsung' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/dt
From Kukjin Kim:

Since there are many changes for gpio-samsung in my tree, this has been
included in my tree with Linus' agreement.

* 'next/gpio-samsung' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  gpio: samsung: add devicetree init for s3c24xx arches
2012-09-20 16:36:37 -07:00
Olof Johansson 928487a1ce Merge branch 'samsung/cleanup' into next/cleanup
From Kukjin Kim:

Here, there are cleanup patches for Samsung v3.7 and most of them are
related to cleanup Samsung specific gpio API.

* samsung/cleanup:
  gpio: samsung: Update documentation
  ARM: S3C24XX: Use module_platform_driver macro in mach-osiris-dvs.c
  ARM: S3C24XX: Use module_platform_driver macro in h1940-bluetooth.c
  gpio-samsung: Remove now unused s3c2410_gpio* API
  ARM: S3C24XX: Remove obsolete GPIO API declarations
  ARM: S3C24XX: Convert users of s3c2410_gpio_setpin to gpiolib API
  ARM: EXYNOS: cleanup unused code related to GPS
2012-09-20 16:35:21 -07:00
Or Gerlitz 9baa0b0364 IB/ipoib: Add rtnl_link_ops support
Add rtnl_link_ops to IPoIB, with the first usage being child device
create/delete through them. Childs devices are now either legacy ones,
created/deleted through the ipoib sysfs entries, or RTNL ones.

Adding support for RTNL childs involved refactoring of ipoib_vlan_add
which is now used by both the sysfs and the link_ops code.

Also, added ndo_uninit entry to support calling unregister_netdevice_queue
from the rtnl dellink entry. This required removal of calls to
ipoib_dev_cleanup from the driver in flows which use unregister_netdevice,
since the networking core will invoke ipoib_uninit which does exactly that.

Signed-off-by: Erez Shitrit <erezsh@mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-20 16:49:17 -04:00
Olof Johansson 2843c7d2c0 Device tree related changes for omaps.
Note that this branch is based on omap-cleanup-sparseirq-for-v3.7
 to avoid merge conflicts with the sparseirq changes for gpio-twl4030
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Merge tag 'omap-devel-dt-merged-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt

Device tree related changes for omaps.

Note that this branch is based on omap-cleanup-sparseirq-for-v3.7
to avoid merge conflicts with the sparseirq changes for gpio-twl4030
driver.

* tag 'omap-devel-dt-merged-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  arm/dts: Mux uart pins for omap4-sdp
  ARM: OMAP2+: select PINCTRL in Kconfig
  arm/dts: Add pinctrl driver entries for omap2/3/4
  arm/dts: Add omap36xx.dtsi file and rename omap3-beagle to omap3-beagle-xm
  ARM: dts: omap3-overo: Add support for the blue LED
  Documentation: dt: Update the OMAP documentation with Overo/Toby
  ARM: dts: OMAP3: Add support for Gumstix Overo with Tobi expansion board
  ARM: dts: OMAP4: Add reg and interrupts for every nodes
  ARM: dts: AM33XX: Specify reg and interrupt property for all nodes
  ARM: dts: AM33XX: Convert all hex numbers to lower-case
  ARM: dts: omap3-beagle: Enable audio support
  ARM: dts: omap5: Add McPDM and DMIC section to the dtsi file
  ARM: dts: omap5: Add McBSP entries
  ARM: dts: omap4: Add reg-names for McPDM and DMIC
  ARM: dts: omap4: Add McBSP entries
  ARM: dts: omap3: Add McBSP entries
  ARM: dts: omap2420-h4: Include omap2420.dtsi file instead the common omap2
  ARM: dts: omap2: Add McBSP entries for OMAP2420 and OMAP2430 SoC
  ARM: dts: omap3-beagle: Add heartbeat and mmc LEDs support
  ARM: dts: omap3: Add gpio-twl4030 properties for BeagleBoard and omap3-EVM
  ...
2012-09-20 13:22:20 -07:00
Martin K. Petersen 4363ac7c13 block: Implement support for WRITE SAME
The WRITE SAME command supported on some SCSI devices allows the same
block to be efficiently replicated throughout a block range. Only a
single logical block is transferred from the host and the storage device
writes the same data to all blocks described by the I/O.

This patch implements support for WRITE SAME in the block layer. The
blkdev_issue_write_same() function can be used by filesystems and block
drivers to replicate a buffer across a block range. This can be used to
efficiently initialize software RAID devices, etc.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2012-09-20 14:31:45 +02:00
Lee Jones e8b9acd26b Documentation: Add the AB8500 CODEC device to the MFD AB8500 doc
Here we document the AB8500 Audio CODEC in the existing MFD AB8500 document.

CC: alsa-devel@alsa-project.org
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2012-09-20 12:32:30 +02:00
Lee Jones b4cad7af66 Documentation: Define the MSP Driver Device Tree bindings
Here we add the required documentation for the new Device Tree
bindings pertaining to the MSP CPU-side DAI Driver.

Acked-by: Ola Lilja <ola.o.lilja@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2012-09-20 09:10:59 +02:00
Lee Jones bfde5afa08 Documentation: Define the MOP500 Audio Machine Driver Device Tree bindings
Here we add the required documentation for the new Device Tree
bindings pertaining to the MOP500 Audio Machine driver.

Acked-by: Ola Lilja <ola.o.lilja@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2012-09-20 09:10:59 +02:00
Thierry Reding 790b520e3a gpio: adnp: dt: Reference generic interrupt binding
Instead of having to duplicate the description of the properties needed
for interrupt support, reference the new standard document.

Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: devicetree-discuss@lists.ozlabs.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
[Minor spelling correction]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-20 08:54:58 +02:00
Simon Arlott ee4af56967 ARM: bcm2835: add system timer
The System Timer peripheral provides four 32-bit timer channels and a
single 64-bit free running counter. Each channel has an output compare
register, which is compared against the 32 least significant bits of the
free running counter values, and generates an interrupt.

Timer 3 is used as the Linux timer.

The BCM2835 also contains an SP804-based timer module. However, it
apparently has significant differences from the standard SP804 IP block,
and Broadcom's documentation recommends using the system timer instead.

This patch was extracted from git://github.com/lp0/linux.git branch
rpi-split as of 2012/09/08, and modified as follows:

* s/bcm2708/bcm2835/.
* Modified device tree vendor prefix.
* Moved to drivers/clocksource/. This looks like the desired location for
  such code now.
* Added DT binding docs.
* Moved struct sys_timer bcm2835_timer into time.c to encapsulate it more.
* Simplified bcm2835_time_init() to find one matching node and operate on
  it, rather than looping over all matching nodes. This seems more
  consistent with other clocksource code.
* Simplified bcm2835_time_init() using of_iomap().
* Renamed struct bcm2835_timer.index to match_mask to better represent its
  purpose.
* s/printk(PR_INFO/pr_info(/

Signed-off-by: Chris Boot <bootc@bootc.net>
Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Signed-off-by: Dom Cobley <popcornmix@gmail.com>
Signed-off-by: Dom Cobley <dc4@broadcom.com>
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
2012-09-19 19:08:46 -06:00
Simon Arlott 89214f009c ARM: bcm2835: add interrupt controller driver
The BCM2835 contains a custom interrupt controller, which supports 72
interrupt sources using a 2-level register scheme. The interrupt
controller, or the HW block containing it, is referred to occasionally
as "armctrl" in the SoC documentation, hence the symbol naming in the
code.

This patch was extracted from git://github.com/lp0/linux.git branch
rpi-split as of 2012/09/08, and modified as follows:

* s/bcm2708/bcm2835/.
* Modified device tree vendor prefix.
* Moved implementation to drivers/irchip/.
* Added devicetree documentation, and hence removed list of IRQs from
  bcm2835.dtsi.
* Changed shift in MAKE_HWIRQ() and HWIRQ_BANK() from 8 to 5 to reduce
  the size of the hwirq space, and pass the total size of the hwirq space
  to irq_domain_add_linear(), rather than just the number of valid hwirqs;
  the two are different due to the hwirq space being sparse.
* Added the interrupt controller DT node to the top-level of the DT,
  rather than nesting it inside a /axi node. Hence, changed the reg value
  since /axi had a ranges property. This seems simpler to me, but I'm not
  sure if everyone will like this change or not.
* Don't set struct irq_domain_ops.map = irq_domain_simple_map, hence
  removing the need to patch include/linux/irqdomain.h or
  kernel/irq/irqdomain.c.
* Simplified armctrl_of_init() using of_iomap().
* Removed unused IS_VALID_BANK()/IS_VALID_IRQ() macros.
* Renamed armctrl_handle_irq() to prevent possible symbol clashes.
* Made armctrl_of_init() static.
* Removed comment "Each bank is registered as a separate interrupt
  controller" since this is no longer true.
* Removed FSF address from license header.
* Added my name to copyright header.

Signed-off-by: Chris Boot <bootc@bootc.net>
Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Signed-off-by: Dom Cobley <popcornmix@gmail.com>
Signed-off-by: Dom Cobley <dc4@broadcom.com>
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
2012-09-19 19:08:37 -06:00
Simon Arlott ec9653b847 ARM: add infra-structure for BCM2835 and Raspberry Pi
The BCM2835 is an ARM SoC from Broadcom. This patch adds very basic
support for this SoC.

http://www.broadcom.com/products/BCM2835
http://www.raspberrypi.org/wp-content/uploads/2012/02/BCM2835-ARM-Peripherals.pdf

Note that the documentation in the latter .pdf assumes the MMU setup
that's used on the "VideoCore" companion processor, and does not document
physical peripheral addresses. Subtract 0x5e000000 to obtain the physical
addresses. This is accounted for by the ranges property in the /soc node
in the device tree.

The BCM2835 SoC is used in the Raspberry Pi. This patch also adds a
minimal device tree for this board; enough to see some very early kernel
boot messages through earlyprintk. However, this patch does not yet
provide a useful booting system.

http://www.raspberrypi.org/.

This patch was extracted from git://github.com/lp0/linux.git branch
rpi-split from 3-4 months ago, and significantly stripped down and
modified since.

Signed-off-by: Chris Boot <bootc@bootc.net>
Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Signed-off-by: Dom Cobley <popcornmix@gmail.com>
Signed-off-by: Dom Cobley <dc4@broadcom.com>
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
2012-09-19 19:08:27 -06:00
Peter Ujfalusi 5cbe786a6e mfd: twl6040: Add twl6040-gpio child
Add needed platform data structure and code to be able to load
the GPO child of twl6040.
Update the devicetree binding documentation at the same time.

Signed-off-by: Sergio Aguirre <saaguirre@ti.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-09-19 12:21:20 +02:00
Stephen Warren 9582fdcb6f mfd: max8907: Add power off control
Add DT property "maxim,system-power-controller" to indicate whether the
PMIC is in charge of controlling the system power. If this is set, the
driver will provide the pm_power_off() function.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-09-19 12:07:56 +02:00
Dave Martin 6a6d55c38c ARM: virt: Update documentation for hyp mode entry support
Document the possibility of the kernel being entered in HYP mode.

Signed-off-by: Dave Martin <dave.martin@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2012-09-19 08:32:51 +01:00
Suresh Siddha e00229819f x86, fpu: make eagerfpu= boot param tri-state
Add the "eagerfpu=auto" (that selects the default scheme in
enabling eagerfpu) which can override compiled-in boot parameters
like "eagerfpu=on/off" (that force enable/disable eagerfpu).

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Link: http://lkml.kernel.org/r/1347300665-6209-5-git-send-email-suresh.b.siddha@intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2012-09-18 15:52:24 -07:00
Suresh Siddha 212b02125f x86, fpu: enable eagerfpu by default for xsaveopt
xsaveopt/xrstor support optimized state save/restore by tracking the
INIT state and MODIFIED state during context-switch.

Enable eagerfpu by default for processors supporting xsaveopt.
Can be disabled by passing "eagerfpu=off" boot parameter.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Link: http://lkml.kernel.org/r/1347300665-6209-3-git-send-email-suresh.b.siddha@intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2012-09-18 15:52:23 -07:00
Suresh Siddha 5d2bd7009f x86, fpu: decouple non-lazy/eager fpu restore from xsave
Decouple non-lazy/eager fpu restore policy from the existence of the xsave
feature. Introduce a synthetic CPUID flag to represent the eagerfpu
policy. "eagerfpu=on" boot paramter will enable the policy.

Requested-by: H. Peter Anvin <hpa@zytor.com>
Requested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Link: http://lkml.kernel.org/r/1347300665-6209-2-git-send-email-suresh.b.siddha@intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2012-09-18 15:52:22 -07:00
Thierry Reding 5e969a401a gpio: Add Avionic Design N-bit GPIO expander support
This commit adds a driver for the Avionic Design N-bit GPIO expander.
The expander provides a variable number of GPIO pins with interrupt
support.

Changes in v2:
- allow building the driver as a module
- assign of_node unconditionally
- use linear mapping IRQ domain
- properly cleanup IRQ domain
- add OF device table and annotate device tables
- emulate rising and falling edge triggers
- increase #gpio-cells to 2
- drop support for !OF
- use IS_ENABLED to conditionalize DEBUG_FS code

Changes in v3:
- make IRQ support runtime configurable (interrupt-controller property)
- drop interrupt-controller and #interrupt-cells from DT binding
- add inline to_adnp() function to wrap container_of() macro
- consistently use adnp as name for struct adnp variables
- remove irq_mask_cur and rename irq_mask to irq_enable
- fix a subtle deadlock in adnp_gpio_direction_output()
- remove dynamic allocations from debugfs code
- rename regs to num_regs to avoid confusion
- annotate non-trivial code with comments
- don't acquire mutex in adnp_gpio_get()
- assume NO_IRQ == 0

Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: devicetree-discuss@lists.ozlabs.org
Cc: Linus Walleij <linus.walleij@stericsson.com>
Cc: linux-kernel@vger.kernel.org
Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-18 23:27:25 +02:00
Rafal Krypa 449543b043 Smack: implement revoking all rules for a subject label
Add /smack/revoke-subject special file. Writing a SMACK label to this file will
set the access to '-' for all access rules with that subject label.

Targeted for git://git.gitorious.org/smack-next/kernel.git

Signed-off-by: Rafal Krypa <r.krypa@samsung.com>
2012-09-18 09:50:52 -07:00
Peter Ujfalusi 019a7e6b7b mfd: twl4030-audio: Add DT support
Support for loading the twl4030 audio module via devicetree.
Sub devices for codec and vibra will be created as mfd devices once the
core MFD driver is loaded when the kernel is booted with a DT blob.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-09-18 15:45:05 +02:00
Fernando Guzman Lugo 8afd519c34 remoteproc: add rproc_report_crash function to notify rproc crashes
Allow low-level remoteproc drivers to report rproc crashes by exporting
a new rproc_report_crash() function (invoking this from non-rproc drivers
is probably wrong, and should be carefully scrutinized if ever needed).

rproc_report_crash() can be called from any context; it offloads the
tasks of handling the crash to a separate thread.

Handling the crash from a separate thread is helpful because:
- Ability to call invoke rproc_report_crash() from atomic context, due to
  the fact that many crashes trigger an interrupt, so this function can be
  called directly from ISR context.
- Avoiding deadlocks which could happen if rproc_report_crash() is called
  from a function which indirectly holds the rproc lock.

Handling the crash might involve:
- Remoteproc register dump
- Remoteproc stack dump
- Remoteproc core dump
- Saving Remoteproc traces so they can be read after the crash
- Reseting the remoteproc in order to make it functional again (hard recovery)

Right now, we only print the crash type which was detected, and only the
mmufault type is supported. Remoteproc low-level drivers can add more types
when needed.

Signed-off-by: Fernando Guzman Lugo <fernando.lugo@ti.com>
[ohad: some commentary, white space and commit log changes]
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
2012-09-18 12:53:22 +03:00
Benjamin Herrenschmidt caa1d631fc Merge remote-tracking branch 'kumar/next' into next 2012-09-18 16:04:33 +10:00
Roland Dreier 9c58b7ddd7 target: Simplify fabric sense data length handling
Every fabric driver has to supply a se_tfo->set_fabric_sense_len()
method, just so iSCSI can return an offset of 2.  However, every fabric
driver is already allocating a sense buffer and passing it into the
target core, either via transport_init_se_cmd() or target_submit_cmd().

So instead of having iSCSI pass the start of its sense buffer into the
core and then later tell the core to skip the first 2 bytes, it seems
easier for iSCSI just to do the offset of 2 when it passes the sense
buffer into the core.  Then we can drop the se_tfo->set_fabric_sense_len()
everywhere, and just add a couple of lines of code to iSCSI to set the
sense data length to the beginning of the buffer right before it sends
it over the network.

(nab: Remove .set_fabric_sense_len usage from tcm_qla2xxx_npiv_ops +
      change transport_get_sense_buffer to follow v3.6-rc6 code w/o
      ->set_fabric_sense_len usage)

Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2012-09-17 17:12:58 -07:00
Roland Dreier 2ed772b7b9 target: Remove unused target_core_fabric_ops.get_fabric_sense_len method
There are no callers of se_tfo->get_fabric_sense_len(), so we should
stop having every fabric driver implement it.

Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2012-09-17 16:15:47 -07:00
Linus Walleij 4980f9bc2c ARM: 7517/1: integrator: initial device tree support
This is initial device tree support for the ARM Integrator family,
we create a very basic device tree, #ifdef out the non-DT machines
when compiling for device tree.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-09-17 23:20:22 +01:00
Linus Walleij 9bc1503185 ARM: 7516/1: plat-versatile: add DT support to FPGA IRQ
This adds Device Tree probing support to the Versatile FPGA
IRQ controller.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-09-17 23:18:18 +01:00
Rafael J. Wysocki fa373abbbd Merge branch 'pm-cpufreq'
* pm-cpufreq:
  cpufreq: OMAP: remove loops_per_jiffy recalculate for smp
  sections: fix section conflicts in drivers/cpufreq
  cpufreq: conservative: update frequency when limits are relaxed
  cpufreq / ondemand: update frequency when limits are relaxed
  cpufreq: Add a generic cpufreq-cpu0 driver
  PM / OPP: Initialize OPP table from device tree
  ARM: add cpufreq transiton notifier to adjust loops_per_jiffy for smp
  cpufreq: Remove support for hardware P-state chips from powernow-k8
  acpi-cpufreq: Add compatibility for legacy AMD cpb sysfs knob
  acpi-cpufreq: Add support for disabling dynamic overclocking
  ACPI: Add fixups for AMD P-state figures
  powernow-k8: delay info messages until initialization has succeeded
  cpufreq: Add warning message to powernow-k8
  acpi-cpufreq: Add quirk to disable _PSD usage on all AMD CPUs
  acpi-cpufreq: Add support for modern AMD CPUs
  cpufreq / powernow-k8: Fixup missing _PSS objects message
  PM / cpufreq: Initialise the cpu field during conservative governor start
2012-09-17 20:26:02 +02:00
Rafael J. Wysocki 8592013bbd Merge branch 'pm-cpuidle'
* pm-cpuidle:
  ACPI / processor: remove pointless variable initialization
  ACPI / processor: remove unused function parameter
  cpuidle / ACPI : remove power from acpi_processor_cx structure
  PM / cpuidle: Make ladder governor use the "disabled" state flag
  Honor state disabling in the cpuidle ladder governor
2012-09-17 20:25:24 +02:00
Stefan Fritsch 879238fecc KVM: clarify kvmclock documentation
- mention that system time needs to be added to wallclock time
- positive tsc_shift means left shift, not right
- mention additional 32bit right shift

Signed-off-by: Stefan Fritsch <sf@sfritsch.de>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2012-09-17 14:10:23 -03:00
Dave Kleikamp 16221d9071 jfs: Remove obsolete email address
The MAINTAINERS file suffices.

Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
2012-09-17 12:00:01 -05:00
Tino Reichardt b40c2e665c fs/jfs: TRIM support for JFS Filesystem
This patch adds support for the two linux interfaces of the discard/TRIM
command for SSD devices and sparse/thinly-provisioned LUNs.

JFS will support batched discard via FITRIM ioctl and online discard
with the discard mount option.

Signed-off-by: Tino Reichardt <list-jfs@mcmilk.de>
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
2012-09-17 11:58:19 -05:00
Dong Aisheng 87d687301f mfd: Add syscon driver based on regmap
Add regmap based syscon driver.
This is usually used for access misc bits in registers which does not belong
to a specific module, for example, IMX IOMUXC GPR and ANATOP.
With this driver, client can use generic regmap API to access registers
which are registered into syscon.

Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-09-17 15:24:14 +02:00
Gyungoh Yoo a91d2f8d6e mfd: Add MAX8907 core driver
The MAX8907 is an I2C-based power-management IC containing voltage
regulators, a reset controller, a real-time clock, and a touch-screen
controller.

The original driver was written by:
* Gyungoh Yoo <jack.yoo@maxim-ic.com>

Various fixes and enhancements by:
* Jin Park <jinyoungp@nvidia.com>
* Tom Cherry <tcherry@nvidia.com>
* Prashant Gaikwad <pgaikwad@nvidia.com>
* Dan Willemsen <dwillemsen@nvidia.com>
* Laxman Dewangan <ldewangan@nvidia.com>

During upstreaming, I (swarren):
* Converted to regmap.
* Converted to regmap-irq.
* Allowed probing from device tree.
* Renamed from max8907c->max8907, since the driver covers at least the
  C and B revisions.
* General cleanup.

Signed-off-by: Gyungoh Yoo <jack.yoo@maxim-ic.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com> #v3
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-09-17 15:03:28 +02:00
Catalin Marinas 4f04d8f005 arm64: MMU definitions
The virtual memory layout is described in
Documentation/arm64/memory.txt. This patch adds the MMU definitions for
the 4KB and 64KB translation table configurations. The SECTION_SIZE is
2MB with 4KB page and 512MB with 64KB page configuration.

PHYS_OFFSET is calculated at run-time and stored in a variable (no
run-time code patching at this stage).

On the current implementation, both user and kernel address spaces are
512G (39-bit) each with a maximum of 256G for the RAM linear mapping.
Linux uses 3 levels of translation tables with the 4K page configuration
and 2 levels with the 64K configuration. Extending the memory space
beyond 39-bit with the 4K pages or 42-bit with 64K pages requires an
additional level of translation tables.

The SPARSEMEM configuration is global to all AArch64 platforms and
allows for 1GB sections with SPARSEMEM_VMEMMAP enabled by default.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
2012-09-17 13:41:56 +01:00
Catalin Marinas 9703d9d7f7 arm64: Kernel booting and initialisation
The patch adds the kernel booting and the initial setup code.
Documentation/arm64/booting.txt describes the booting protocol on the
AArch64 Linux kernel. This is subject to change following the work on
boot standardisation, ACPI.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
2012-09-17 10:24:45 +01:00
Linus Walleij c31a00cd30 pinctrl: document semantics vs GPIO
The semantics of the interactions between GPIO and pinctrl may be
unclear, e.g. which one do you request first? This amends the
documentation to make this clear.

Reported-by: Domenico Andreoli <cavokz@gmail.com>
Acked-by: Domenico Andreoli <domenico.andreoli@linux.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-17 10:53:57 +02:00
Greg Kroah-Hartman 2bcb132c69 Merge 3.6-rc6 into usb-next
This resolves the merge problems with:
	drivers/usb/dwc3/gadget.c
	drivers/usb/musb/tusb6010.c
that had been seen in linux-next.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-16 20:42:46 -07:00
Olof Johansson f4936639bc From Paul Walmsley <paul@pwsan.com>:
AM33xx hwmod data and miscellaneous clock and hwmod fixes.  AM33xx
 should now boot on mainline after this is applied, according to
 Vaibhav.
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Merge tag 'omap-devel-am33xx-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc

From Tony Lindgren:
From Paul Walmsley <paul@pwsan.com>:

AM33xx hwmod data and miscellaneous clock and hwmod fixes.  AM33xx
should now boot on mainline after this is applied, according to
Vaibhav.

(The shortlog makes no sense here since it contains mostly the dependent
cleanups that are part of the preceding branches).

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-09-16 20:13:04 -07:00
Olof Johansson a73403d85a Merge branch 'depends/tty-omap-serial' into next/cleanup
This part of the tty tree (unfortunately with all the preceding patches
as well) is a dependency for some of the OMAP cleanups, so we've pulled
it in as a dependency based on agreement with Greg.

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-09-16 20:04:39 -07:00
Olof Johansson e640ca0fcb Remove the ancient omap specific atags that are no longer needed.
At some point we were planning to pass the bootloader information
 with custom atags that did not work out too well.
 
 There's no need for these any longer as the kernel has been booting
 fine without them for quite some time. And Now we have device tree
 support that can be used instead.
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Merge tag 'cleanup-omap-tags-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup

From Tony Lindgren:

Remove the ancient omap specific atags that are no longer needed.

At some point we were planning to pass the bootloader information
with custom atags that did not work out too well.

There's no need for these any longer as the kernel has been booting
fine without them for quite some time. And Now we have device tree
support that can be used instead.

* tag 'cleanup-omap-tags-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP: remove plat/board.h file
  ARM: OMAP: move debug_card_init() function
  ARM: OMAP1: move lcd pdata out of arch/arm/*
  ARM: OMAP1: move omap1_bl pdata out of arch/arm/*
  ARM: OMAP: remove the omap custom tags
  ARM: OMAP1: remove the crystal type tag parsing
  ARM: OMAP: remove the sti console workaround
  ARM: OMAP: omap3evm: cleanup revision bits
  ARM: OMAP: cleanup struct omap_board_config_kernel
  + sync to 3.6-rc5
2012-09-16 19:28:42 -07:00
Olof Johansson d1226e8f98 Kevin Hilman <khilman@ti.com>:
Updates for omap_device layer for v3.7.
 
 Allows omap_device layer to keep track of driver bound status in order
 to make more intelligent decisions about idling unused devices.
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Merge tag 'devel-omap-device-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc

Kevin Hilman <khilman@ti.com>:

Updates for omap_device layer for v3.7.

Allows omap_device layer to keep track of driver bound status in order
to make more intelligent decisions about idling unused devices.

* tag 'devel-omap-device-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP: omap_device: idle devices with no driver bound
  ARM: OMAP: omap_device: don't attempt late suspend if no driver bound
  ARM: OMAP: omap_device: keep track of driver bound status
  + sync to 3.6-rc5
2012-09-16 19:24:53 -07:00
Olof Johansson 2e6185f1fe ARM: tegra: i2c driver enhancements mostly related to clocking
This branch contains a number of fixes and cleanups to the Tegra I2C
 driver related to clocks. These are based on the common clock conversion
 in order to avoid duplicating the clock driver changes before and after
 the conversion. Finally, a bug-fix related to I2C_M_NOSTART is included.
 
 This branch is based on previous pull request tegra-for-3.7-common-clk.
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Merge tag 'tegra-for-3.7-drivers-i2c' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/drivers

From Stephen Warren:

ARM: tegra: i2c driver enhancements mostly related to clocking

This branch contains a number of fixes and cleanups to the Tegra I2C
driver related to clocks. These are based on the common clock conversion
in order to avoid duplicating the clock driver changes before and after
the conversion. Finally, a bug-fix related to I2C_M_NOSTART is included.

This branch is based on previous pull request tegra-for-3.7-common-clk.

* tag 'tegra-for-3.7-drivers-i2c' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  i2c: tegra: dynamically control fast clk
  i2c: tegra: I2_M_NOSTART functionality not supported in Tegra20
  ARM: tegra: clock: remove unused clock entry for i2c
  ARM: tegra: clock: add connection name in i2c clock entry
  i2c: tegra: pass proper name for getting clock
  ARM: tegra: clock: add i2c fast clock entry in clock table
  ARM: Tegra: Add smp_twd clock for Tegra20
  ARM: tegra: cpu-tegra: explicitly manage re-parenting
  ARM: tegra: fix overflow in tegra20_pll_clk_round_rate()
  ARM: tegra: Fix data type for io address
  ARM: tegra: remove tegra_timer from tegra_list_clks
  ARM: tegra30: clocks: fix the wrong tegra_audio_sync_clk_ops name
  ARM: tegra: clocks: separate tegra_clk_32k_ops from Tegra20 and Tegra30
  ARM: tegra: Remove duplicate code
  ARM: tegra: Port tegra to generic clock framework
  ARM: tegra: Add clk_tegra structure and helper functions
  ARM: tegra: Rename tegra20 clock file
  ARM: tegra20: Separate out clk ops and clk data
  ARM: tegra30: Separate out clk ops and clk data
  ARM: tegra: fix U16 divider range check
  ...
  + sync to v3.6-rc4

Resolved remove/modify conflict in arch/arm/mach-sa1100/leds-hackkit.c
caused by the sync with v3.6-rc4.

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-09-16 18:31:37 -07:00
Olof Johansson d6530016ed Merge branch 'depends/tps6589x-dt' into next/cleanup
Pull in a dependent branch from Mark Brown's regulator tree for the tegra/cleanup branch.

* depends/tps6589x-dt:
  regulator: tps6586x: add support for SYS rail
2012-09-16 18:23:48 -07:00
Olof Johansson 591346c9d1 These patches migrate both the 8660 and 8960 targets on msm to be
devicetree only.  This also sets most of the frame in place necessary
 to build both targets into the same image.
 
 There's a couple of cleanups in here that are kept in this series
 because they are intimately tied to the changes necessary to support
 the devicetree conversions.
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Merge tag 'msm-dt-for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm into next/dt

From David Brown:

These patches migrate both the 8660 and 8960 targets on msm to be
devicetree only.  This also sets most of the frame in place necessary
to build both targets into the same image.

There's a couple of cleanups in here that are kept in this series
because they are intimately tied to the changes necessary to support
the devicetree conversions.

By Stephen Boyd
via David Brown
* tag 'msm-dt-for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm:
  ARM: msm: Remove non-DT targets from 8960
  ARM: msm: Add DT support for 8960
  ARM: msm: Move io mapping prototypes to common.h
  ARM: msm: Rename board-msm8x60 to signify its DT only status
  ARM: msm: Make 8660 a DT only target
  ARM: msm: Move 8660 to DT timer
  ARM: msm: Add DT support to msm_timer
  ARM: msm: Allow timer.c to compile on multiple targets
  ARM: msm: Don't touch GIC registers outside of GIC code
  ARM: msm: Add msm8660-surf.dts to Makefile.boot
  ARM: msm: Add handle_irq handler for 8660 DT machine

Resolved trivial context conflict in arch/arm/mach-msm/io.c and a
remove/change conflict in arch/arm/mach-msm/board-msm8x60.c.

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-09-16 18:03:50 -07:00
Greg Kroah-Hartman 7ac3c93e5d Merge 3.6-rc6 into tty-next
This pulls in the fixes in 3.6-rc6

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-16 17:31:36 -07:00
Greg Kroah-Hartman 6a2a2cdd57 Merge 3.6-rc6 into staging-next
This pulls in the staging tree fixes in 3.6-rc6 into our branch to resolve the
merge issues.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-16 17:17:25 -07:00
Greg Kroah-Hartman 8f949b9a7e Merge 3.6-rc7 into driver-core-next
This pulls in the fixes in that branch that are needed here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-16 16:51:27 -07:00
Tony Lindgren 6bfc82ff58 This branch contains changes needed to make omap2+
work properly with sparse IRQ. It also removes
 dependencies to mach/hardware.h. These help moving
 things towards ARM single zImage support.
 
 This branch is based on a commit in tty-next
 branch with omap-devel-gpmc-fixed-for-v3.7 and
 cleanup-omap-tags-for-v3.7 merged in to keep things
 compiling and sort out some merge conflicts.
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Merge tag 'omap-cleanup-sparseirq-for-v3.7' into devel-dt

This branch contains changes needed to make omap2+
work properly with sparse IRQ. It also removes
dependencies to mach/hardware.h. These help moving
things towards ARM single zImage support.

This branch is based on a commit in tty-next
branch with omap-devel-gpmc-fixed-for-v3.7 and
cleanup-omap-tags-for-v3.7 merged in to keep things
compiling and sort out some merge conflicts.

Conflicts:
	arch/arm/mach-omap2/omap4-common.c
	drivers/gpio/gpio-twl4030.c
2012-09-16 15:35:06 -07:00
David S. Miller b48b63a1f6 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
	net/netfilter/nfnetlink_log.c
	net/netfilter/xt_LOG.c

Rather easy conflict resolution, the 'net' tree had bug fixes to make
sure we checked if a socket is a time-wait one or not and elide the
logging code if so.

Whereas on the 'net-next' side we are calculating the UID and GID from
the creds using different interfaces due to the user namespace changes
from Eric Biederman.

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-15 11:43:53 -04:00
Takashi Iwai e5d6db8e60 Merge branch 'topic/tlv-chmap' into for-next
This is a merge of a topic branch containing the support for the new
channel map API using control elements.
2012-09-15 16:32:31 +02:00
Shaik Ameer Basha 8ab023812b [media] v4l: Add new YVU420 multi planar fourcc definition
This patch adds new 'YM21' fourcc definition for multiplanar YCrCb
pixel format - V4L2_PIX_FMT_YVU420M.

Signed-off-by: Shaik Ameer Basha <shaik.ameer@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-09-15 10:50:46 -03:00
Mauro Carvalho Chehab aa15f47714 Linux 3.6-rc5
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Merge tag 'v3.6-rc5' into staging/for_v3.7

Linux 3.6-rc5

* tag 'v3.6-rc5': (334 commits)
  Linux 3.6-rc5
  HID: tpkbd: work even if the new Lenovo Keyboard driver is not configured
  Remove user-triggerable BUG from mpol_to_str
  xen/pciback: Fix proper FLR steps.
  uml: fix compile error in deliver_alarm()
  dj: memory scribble in logi_dj
  Fix order of arguments to compat_put_time[spec|val]
  xen: Use correct masking in xen_swiotlb_alloc_coherent.
  xen: fix logical error in tlb flushing
  xen/p2m: Fix one-off error in checking the P2M tree directory.
  powerpc: Don't use __put_user() in patch_instruction
  powerpc: Make sure IPI handlers see data written by IPI senders
  powerpc: Restore correct DSCR in context switch
  powerpc: Fix DSCR inheritance in copy_thread()
  powerpc: Keep thread.dscr and thread.dscr_inherit in sync
  powerpc: Update DSCR on all CPUs when writing sysfs dscr_default
  powerpc/powernv: Always go into nap mode when CPU is offline
  powerpc: Give hypervisor decrementer interrupts their own handler
  powerpc/vphn: Fix arch_update_cpu_topology() return value
  ARM: gemini: fix the gemini build
  ...
2012-09-15 10:45:41 -03:00
Jeff Mahoney 6ed33a4a0b [SCSI] st: raise device limit
The device limit of 128 tape drives was established in 2003 as a
significant increase from the 8 tape drives allowed previously.

We're seeing customer sites that between a large number of drives
and multipath are discovering more than 128 devices and running
into problems.

Now that we're not stuck having to store a pointer in array
and aren't limited by kmalloc failing on higher order allocs we can
lift the limit to fill the entire minor range based on the number
of modes.

Based on the current code, that's 2^17 devices.

Reviewed-by: Lee Duncan <lduncan@suse.com>
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Acked-by: Kai Mäkisara <kai.makisara@kolumbus.fi>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-09-14 17:59:29 +01:00
Arnd Bergmann a3b2924547 ARM: ep93xx: move platform_data definitions
Platform data for device drivers should be defined in
include/linux/platform_data/*.h, not in the architecture
and platform specific directories.

This moves such data out of the ep93xx include directories

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Ryan Mallon <rmallon@gmail.com>
Acked-by: Vinod Koul <vinod.koul@linux.intel.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Jeff Garzik <jgarzik@pobox.com>
Cc: Dan Williams <djbw@fb.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Liam Girdwood <lrg@ti.com>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Mika Westerberg <mika.westerberg@iki.fi>
Cc: Axel Lin <axel.lin@gmail.com>
2012-09-14 11:16:55 +02:00
Anatolij Gustschin 00e4b1975b dt/misc: add bindings documentation for ifm camera sensor interface
IFM O2D cameras use special sensor bus interface glue-logic to
connect camera sensors to mpc5200 LocalPlus bus. Add device tree
bindings documentation for it.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
2012-09-14 10:10:32 +02:00
Bill Huang b079fa7206 mfd: dt: tps65910: Add power off control
Add DT property "ti,system-power-controller" telling whether or not this
pmic is in charge of controlling the system power, so the power off
routine can be hooked up to system call "pm_power_off".

Based on the work by:
Dan Willemsen <dwillemsen@nvidia.com>

Signed-off-by: Bill Huang <bilhuang@nvidia.com>
Tested-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-09-14 09:52:14 +02:00
Bill Huang 004c15a680 mfd: dt: tps6586x: Add power off control
Add DT property "ti,system-power-controller" telling whether or not this
pmic is in charge of controlling the system power, so the power off
routine can be hooked up to system call "pm_power_off".

Based on the work by:
Dan Willemsen <dwillemsen@nvidia.com>

Signed-off-by: Bill Huang <bilhuang@nvidia.com>
Tested-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-09-14 09:52:14 +02:00
Hans de Goede 355a4d01bd [media] media-api-docs: Documented V4L2_TUNER_CAP_HWSEEK_PROG_LIM in G_TUNER docs
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-09-13 17:42:08 -03:00
Mauro Carvalho Chehab 3c8139477b [media] DocBook: Fix docbook compilation
changeset 1248c7cb66 broke html compilation:

Documentation/DocBook/v4l2.xml:584: parser error : Entity 'sub-subdev-g-edid' not defined
Documentation/DocBook/v4l2.xml:626: parser error : chunk is not well balanced
Documentation/DocBook/media_api.xml:74: parser error : Failure to process entity sub-v4l2
Documentation/DocBook/media_api.xml:74: parser error : Entity 'sub-v4l2' not defined

I suspect that one file was simply missed at the patch. Yet, keeping
it broken is a very bad idea, so we should either remove the broken
patch or to remove just the invalid include. Let's take the latter
approach.

Due to that, a warning is now produced:

Error: no ID for constraint linkend: v4l2-subdev-edid.

Cc: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-09-13 17:42:06 -03:00
Hans Verkuil 1248c7cb66 [media] V4L2 spec: document the new DV controls and ioctls
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-09-13 16:07:02 -03:00
Peter Moody e7c568e0fd ima: audit log hashes
This adds an 'audit' policy action which audit logs file measurements.

Changelog v6:
 - use new action flag handling (Dmitry Kasatkin).
 - removed whitespace (Mimi)

Changelog v5:
 - use audit_log_untrustedstring.

Changelog v4:
 - cleanup digest -> hash conversion.
 - use filename rather than d_path in ima_audit_measurement.

Changelog v3:
 - Use newly exported audit_log_task_info for logging pid/ppid/uid/etc.
 - Update the ima_policy ABI documentation.

Changelog v2:
 - Use 'audit' action rather than 'measure_and_audit' to permit
 auditing in the absence of measuring..

Changelog v1:
 - Initial posting.

Signed-off-by: Peter Moody <pmoody@google.com>
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
2012-09-13 14:48:44 -04:00
Stephen Boyd 6e3321631a ARM: msm: Add DT support to msm_timer
Add support to setup the MSM timer via information obtained from
the devicetree.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
[davidb@codeaurora.org: Remove leading zeros]
Signed-off-by: David Brown <davidb@codeaurora.org>
2012-09-13 11:14:46 -07:00
Michael Kerrisk 83b061fc09 cgroup: trivial fixes for Documentation/cgroups/cgroups.txt
While reading through Documentation/cgroups/cgroups.txt, I found a
number of minor wordos and typos. The patch below is a conservative
handling of some of these: it provides just a number of "obviously
correct" fixes to the English that improve the readability
of the document somewhat. Obviously some more significant
fixes could be made to the document, but some of those
may not be in the "obviously correct" category.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
2012-09-13 11:10:54 -07:00
Peter Zijlstra f3e9478674 sched: Remove __ARCH_WANT_INTERRUPTS_ON_CTXSW
Now that the last architecture to use this has stopped doing so (ARM,
thanks Catalin!) we can remove this complexity from the scheduler
core.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Link: http://lkml.kernel.org/n/tip-g9p2a1w81xxbrze25v9zpzbf@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-09-13 16:52:04 +02:00
Bjorn Helgaas 78890b5989 Merge commit 'v3.6-rc5' into next
* commit 'v3.6-rc5': (1098 commits)
  Linux 3.6-rc5
  HID: tpkbd: work even if the new Lenovo Keyboard driver is not configured
  Remove user-triggerable BUG from mpol_to_str
  xen/pciback: Fix proper FLR steps.
  uml: fix compile error in deliver_alarm()
  dj: memory scribble in logi_dj
  Fix order of arguments to compat_put_time[spec|val]
  xen: Use correct masking in xen_swiotlb_alloc_coherent.
  xen: fix logical error in tlb flushing
  xen/p2m: Fix one-off error in checking the P2M tree directory.
  powerpc: Don't use __put_user() in patch_instruction
  powerpc: Make sure IPI handlers see data written by IPI senders
  powerpc: Restore correct DSCR in context switch
  powerpc: Fix DSCR inheritance in copy_thread()
  powerpc: Keep thread.dscr and thread.dscr_inherit in sync
  powerpc: Update DSCR on all CPUs when writing sysfs dscr_default
  powerpc/powernv: Always go into nap mode when CPU is offline
  powerpc: Give hypervisor decrementer interrupts their own handler
  powerpc/vphn: Fix arch_update_cpu_topology() return value
  ARM: gemini: fix the gemini build
  ...

Conflicts:
	drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
	drivers/rapidio/devices/tsi721.c
2012-09-13 08:41:01 -06:00
Takashi Iwai 1dac6695c6 ALSA: hda - Allow to pass position_fix=0 explicitly
Set the default value of position_fix -1, and allow user passing
position_fix=0 explicitly to set the "auto" position-fix mode.
Otherwise the auto mode may be switched to others like COMBO of
VIACOMBO when the controller prefers it, thus user can't set the auto
mode any longer.

Also updated the documentation appropriately, too.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-09-13 15:03:10 +02:00
John Crispin 8e004b47b7 Document: devicetree: add OF documents for lantiq falcon pinctrl
Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Thomas Langer <thomas.langer@lantiq.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: devicetree-discuss@lists.ozlabs.org
Cc: linux-kernel@vger.kernel.org
2012-09-13 10:30:59 +02:00
John Crispin 5c56f76995 Document: devicetree: add OF documents for lantiq xway pinctrl
Signed-off-by: John Crispin <blogic@openwrt.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: devicetree-discuss@lists.ozlabs.org
Cc: linux-kernel@vger.kernel.org
2012-09-13 10:30:59 +02:00
Peter Ujfalusi 9e605cb68a pinctrl: pinctrl-single: Add pinctrl-single,bits type of mux
With pinctrl-single,bits it is possible to update just part of the register
within the pinctrl-single,function-mask area.
This is useful when one register configures mmore than one pin's mux.

pinctrl-single,bits takes three parameters:
<reg offset, value, sub-mask>

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
[Removed a misplaced comment]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-13 09:00:10 +02:00
Olof Johansson 73f5ae3132 imx-clk-dt-lookup
It replaces the clk_register_clkdev in imx6q clock driver with DT
 lookup.  It depends on Mike's clk-3.7 branch.
 
 When it gets merged together with imx-dt-3.7, there is a trivial
 conflict on arch/arm/boot/dts/imx6q.dtsi.
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Merge tag 'imx-clk-dt-lookup' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/dt

It replaces the clk_register_clkdev in imx6q clock driver with DT
lookup.  It depends on Mike's clk-3.7 branch.

* tag 'imx-clk-dt-lookup' of git://git.linaro.org/people/shawnguo/linux-2.6:
  ARM: imx6q: replace clk_register_clkdev with clock DT lookup

Resolved context add/remove conflict in arch/arm/boot/dts/imx6q.dtsi
2012-09-12 23:20:33 -07:00
Olof Johansson 83ae0ffa50 mxs-clk-dt-lookup
It replaces clk_register_clkdev in mxs clock driver with DT lookup.
 The series depends on pull request mxs-dt-3.7 and Mike's clk branch
 below.
 
 git://git.linaro.org/people/mturquette/linux.git clk-3.7
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Merge tag 'mxs-clk-dt-lookup' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/dt

It replaces clk_register_clkdev in mxs clock driver with DT lookup.

* tag 'mxs-clk-dt-lookup' of git://git.linaro.org/people/shawnguo/linux-2.6:
  clk: mxs: replace imx23 clk_register_clkdev with clock DT lookup
  clk: mxs: replace imx28 clk_register_clkdev with clock DT lookup
2012-09-12 23:04:12 -07:00
Olof Johansson 025c95a682 Merge branch 'clk' of git://github.com/hzhuang1/linux into next/cleanup
* 'clk' of git://github.com/hzhuang1/linux:
  ARM: mmp: remove unused definition in APBC and APMU
  ARM: mmp: move mmp2 clock definition to separated file
  arm: mmp: move pxa910 clock definition to separated file
  arm: mmp: move pxa168 clock definition to separated file
  arm: mmp: make private clock definition exclude from common clock
  + Linux 3.6-rc4
2012-09-12 22:34:11 -07:00
Viresh Kumar 26fdaa7453 pata_arasan: add Device Tree probing capability
SPEAr platforms now support DT and so must convert all drivers to support DT.
This patch adds DT probing support for Arasan Compact Flash controller and
updates its documentation too.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2012-09-13 01:09:56 -04:00
Mark Langsdorf 8996b89d6b ata: add platform driver for Calxeda AHCI controller
Calxeda highbank SATA phy has intermittent problems bringing up a link
with Gen3 drives. Retrying the phy hard reset can work-around this issue,
but each reset also disables spread spectrum support. The reset function
also needs to reprogram the phy to enable spread spectrum support.

Create a new driver based on ahci_platform to support the Calxeda Highbank
SATA controller.

Signed-off-by: Mark Langsdorf <mark.langsdorf@calxeda.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2012-09-13 01:09:41 -04:00
Tony Lindgren a1e01703ba Changes for GPMC (General Purpose Memory Controller) that take it
closer for being just a regular device driver.
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mergetag object cf3a6ec2c0
 type commit
 tag cleanup-omap-tags-for-v3.7
 tagger Tony Lindgren <tony@atomide.com> 1347323254 -0700
 
 Remove the ancient omap specific atags that are no longer needed.
 
 At some point we were planning to pass the bootloader information
 with custom atags that did not work out too well.
 
 There's no need for these any longer as the kernel has been booting
 fine without them for quite some time. And Now we have device tree
 support that can be used instead.
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Merge tags 'omap-devel-gpmc-fixed-for-v3.7' and 'cleanup-omap-tags-for-v3.7' into cleanup-sparseirq

Changes for GPMC (General Purpose Memory Controller) that take it
closer for being just a regular device driver.

Remove the ancient omap specific atags that are no longer needed.

At some point we were planning to pass the bootloader information
with custom atags that did not work out too well.

There's no need for these any longer as the kernel has been booting
fine without them for quite some time. And Now we have device tree
support that can be used instead.
2012-09-12 18:05:19 -07:00
Prabhakar Kushwaha f4dfef75ad powerpc: Update Integrated Flash controller device tree bindings
Freescale's Integrated Flash controller (IFC) may have one or two
interrupts. In case of single interrupt line, it will cover all IFC
interrupts.

Update this information in IFC device tree bindings

Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2012-09-12 14:57:10 -05:00
Aristeu Rozanski 19ec2567e0 cgroup: add documentation on extended attributes usage
v2: update cgroups.txt instead of creating a new file

Cc: Tejun Heo <tj@kernel.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: Hillf Danton <dhillf@gmail.com>
Cc: Lennart Poettering <lpoetter@redhat.com>
Acked-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Aristeu Rozanski <aris@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
2012-09-12 11:39:50 -07:00
Richard Zhao d142d6be23 USB: chipidea: add imx usbmisc support
i.MX usb controllers share non-core registers, which may include
SoC specific controls. We turn it into a usbmisc device and usbmisc
driver set operations needed by ci13xxx_imx driver.

For example, Sabrelite board has bad over-current design, we can
usbmisc to disable over-current detection.

Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-12 11:20:38 -07:00
Takashi Iwai 7b31d0095e ALSA: Define more channel map positions
For following the standard, define more channel map positions and
shuffle the items a bit:

- As both PulseAudio and gstreamer define MONO channel position
  explicitly, we should follow that, too.  The mono streams point to
  this channel position unless they are explicitly assigned to certain
  channel positions.

- Top-front-* and Top-rear-* positions are added, carried from
  PulseAudio's definitions.

- Move NA and MONO definitions at the top of table right after
  UNKNOWN, since these are more abstract in comparison with other
  practical positions.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-09-12 18:13:03 +02:00
Ludovic Desroches 70d46a241e i2c: at91: add dt support to i2c-at91
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Acked-by: Nikolaus Voss <n.voss@weinmann.de>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
2012-09-12 14:49:15 +02:00
Philipp Zabel 479e2e301c pwm: i.MX: add devicetree support
At the same time remove platform based support. No user for
this driver has made it into mainline so far, so all we break
is out of tree stuff.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Reviewed-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-09-12 14:25:06 +02:00
Heiko Schocher 5c3d8a46ac i2c: davinci: add OF support
add of support for the davinci i2c driver.

Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>

[wsa: fix indentation in the binding description]

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
2012-09-12 11:37:24 +02:00
Olof Johansson e5567598c6 Merge branch 'renesas/pmu' into next/soc
* renesas/pmu:
  ARM: shmobile: emev2: enable PMU(Performance Monitoring Unit)
  ARM: shmobile: sh73a0: enable PMU(Performance Monitoring Unit)
2012-09-11 23:04:30 -07:00
Greg Kroah-Hartman 1cd572fc0c usb: musb: patches for v3.7 merge window
Here we have a bunch of miscellaneous cleanups and fixes
 to the musb driver. It fixes a bunch of mistakes errors
 which nobody has triggered before, so I'm not Ccing stable
 tree.
 
 We are finally improving OMAP's VBUS/ID Mailbox usage so
 that we can introduce our PHY drivers properly. Also, we're
 adding support for multiple instances of the MUSB IP in
 the same SoC, as seen on some platforms from TI which
 have 2 MUSB instances.
 
 Other than that, we have some small fixes like not kicking
 DMA for a zero byte transfer, or properly handling NAK timeout
 on MUSB's host side, and the enabling of DMA Mode1 for any
 transfers which are aligned to wMaxPacketSize.
 
 All patches have been pending on mailing list for a long time
 and I don't expect any big surprises with this pull request.
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Merge tag 'musb-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next

usb: musb: patches for v3.7 merge window

Here we have a bunch of miscellaneous cleanups and fixes
to the musb driver. It fixes a bunch of mistakes errors
which nobody has triggered before, so I'm not Ccing stable
tree.

We are finally improving OMAP's VBUS/ID Mailbox usage so
that we can introduce our PHY drivers properly. Also, we're
adding support for multiple instances of the MUSB IP in
the same SoC, as seen on some platforms from TI which
have 2 MUSB instances.

Other than that, we have some small fixes like not kicking
DMA for a zero byte transfer, or properly handling NAK timeout
on MUSB's host side, and the enabling of DMA Mode1 for any
transfers which are aligned to wMaxPacketSize.

All patches have been pending on mailing list for a long time
and I don't expect any big surprises with this pull request.
2012-09-11 13:56:29 -07:00
Greg Kroah-Hartman dcb9cf39c5 usb: xceiv: patches for v3.7 merge window
nop xceiv got its own header to avoid polluting otg.h. It has also
 learned to work as USB2 and USB3 phys so we can use it on USB3
 controllers.
 
 Together with those two changes to nop xceiv, we're adding basic
 PHY support to dwc3 driver, this is to allow platforms which actually
 have a SW-controllable PHY talk to them through dwc3 driver.
 
 We're adding a new phy driver for the OMAP architecture. This driver
 is for the PHY found in OMAP4 SoCs, and a new phy driver for the
 marvell architecture. An extra phy driver - for Tegra SoCs - is now
 moving from arch/arm/mach-tegra* to drivers/usb/phy.
 
 Also here, there's the creation of <linux/usb/phy.h> which should be
 used from now on for PHY drivers, even those which don't support
 OTG.
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Merge tag 'xceiv-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next

usb: xceiv: patches for v3.7 merge window

nop xceiv got its own header to avoid polluting otg.h. It has also
learned to work as USB2 and USB3 phys so we can use it on USB3
controllers.

Together with those two changes to nop xceiv, we're adding basic
PHY support to dwc3 driver, this is to allow platforms which actually
have a SW-controllable PHY talk to them through dwc3 driver.

We're adding a new phy driver for the OMAP architecture. This driver
is for the PHY found in OMAP4 SoCs, and a new phy driver for the
marvell architecture. An extra phy driver - for Tegra SoCs - is now
moving from arch/arm/mach-tegra* to drivers/usb/phy.

Also here, there's the creation of <linux/usb/phy.h> which should be
used from now on for PHY drivers, even those which don't support
OTG.
2012-09-11 13:48:01 -07:00
Maxime Ripard a7ff477bb7 gpio: 74x164: dts: Add documentation for the dt binding
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-11 19:21:34 +02:00
Ajay Kumar Gupta 65145677a6 usb: musb: dsps: add dt support
Added device tree support for dsps musb glue driver and updated the
Documentation with device tree binding information.

Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Santhapuri, Damodar <damodar.santhapuri@ti.com>
Signed-off-by: Ravi Babu <ravibabu@ti.com>
[afzal@ti.com: use '-' instead of '_' for dt properties]
Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-09-11 17:36:17 +03:00
Shawn Guo 0e87e0436c ARM: imx6q: replace clk_register_clkdev with clock DT lookup
It really becomes an maintenance issue that every time a device needs
to look up (clk_get) a clock we have to patch kernel clock file to call
clk_register_clkdev for that clock.

Since clock DT support which is meant to resolve clock lookup in device
tree is in place, the patch moves imx6q client devices' clock lookup
over to device tree, so that any new lookup to be added at later time
can just get done in DT instead of kernel.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2012-09-11 19:16:14 +08:00
Kim, Milo 94b43b6771 leds-lp5523: add channel name in the platform data
The name of each led channel is configurable.
If the name is NULL, just use the channel id for making the channel name

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
2012-09-11 18:32:41 +08:00
Kishon Vijay Abraham I 00a0b1d58a usb: musb: omap: Add device tree support for omap musb glue
Added device tree support for omap musb driver and updated the
Documentation with device tree binding information.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-09-11 12:13:23 +03:00
Shawn Guo 53f9443da6 clk: mxs: replace imx23 clk_register_clkdev with clock DT lookup
It really becomes a maintenance issue that every time a device needs
to look up (clk_get) a clock we have to patch kernel clock file to call
clk_register_clkdev for that clock.

Since clock DT support which is meant to resolve clock lookup in device
tree is in place, the patch moves imx23 client devices' clock lookup
over to device tree, so that any new lookup to be added at later time
can just get done in DT instead of kernel.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2012-09-11 14:45:46 +08:00
Shawn Guo b598b9f311 clk: mxs: replace imx28 clk_register_clkdev with clock DT lookup
It really becomes a maintenance issue that every time a device needs
to look up (clk_get) a clock we have to patch kernel clock file to call
clk_register_clkdev for that clock.

Since clock DT support which is meant to resolve clock lookup in device
tree is in place, the patch moves imx28 client devices' clock lookup
over to device tree, so that any new lookup to be added at later time
can just get done in DT instead of kernel.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2012-09-11 14:45:46 +08:00
Sachin Kamat 4485a12937 dt: Fix incorrect reference in gpio-led documentation
Path to gpio.txt (dt) document was broken.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-11 07:26:45 +02:00
Lan Tianyu ca9c9d0c92 usb : Add sysfs files to control port power.
This patch adds two sysfs files for each usb hub port to allow userspace
to control the port power policy.

For an upcoming Intel xHCI roothub, this will translate into ACPI calls
to completely power off or power on the port.  As a reminder, when these
ports are completely powered off, the USB host and device will see a
physical disconnect.  All future USB device connections will be lost,
and the device will not be able to signal a remote wakeup.

The control sysfs file can be written to with two options:
"on" - port power must be on.
"off" - port must be off.

The state sysfs file reports usb port's power state:
"on" - powered on
"off" - powered off
"error" - can't get power state

For now, let userspace dictate the port power off policy.  Future
patches may add an in-kernel policy.

Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-10 13:04:01 -07:00
Lan Tianyu fa2a956625 usb: make usb port a real device
This patch turns each USB port on a hub into a new struct device.  This
new device has the USB hub interface device as its parent.  The port
devices are stored in a new structure (usb_port), and an array of
usb_ports are dynamically allocated once we know how many ports the USB
hub has.

Move the port_owner variable out of usb_hub and into this new structure.

A new file will be created in the hub interface sysfs directory, so
add documentation.

Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-10 12:38:26 -07:00
Alexandre Courbot 6354316dbe pwm: add devm_pwm_get() and devm_pwm_put()
Add resource managed variants of pwm_get() and pwm_put() for
convenience. Code is largely inspired by the equivalent devm functions
of the regulator framework.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-09-10 17:05:45 +02:00
Antti Palosaari 3a35c00b04 [media] DocBook: update ioctl error codes
ENOTTY is now returned for unimplemented ioctl by dvb-frontend.
Old EOPNOTSUPP & ENOSYS could be still returned by some drivers
as well as other "non standard" error codes.

EAGAIN is returned in case of device is in state where it cannot
perform requested operation. This is for example sleep and statistics
are queried. Quick check for few demodulator drivers reveals there is
a lot of different error codes used in such case currently, few to
mention still: EOPNOTSUPP, ENOSYS, EAGAIN ... Lets try harmonize.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-09-10 11:28:50 -03:00
Florian Vaussard 807e1b426d Documentation: dt: Update the OMAP documentation with Overo/Toby
Add the Tobi/Overo board to the list of supported platforms.

Signed-off-by: Florian Vaussard <florian.vaussard@epfl.ch>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
2012-09-10 12:19:18 +02:00
James Ralston 4a8f1ddde9 i2c-i801: Add Device IDs for Intel Lynx Point-LP PCH
Add the SMBus Device IDs for the Intel Lynx Point-LP PCH.

Signed-off-by: James Ralston <james.d.ralston@intel.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
2012-09-10 10:14:02 +02:00
Mark Brown f59c8f9fe6 regulator: core: Support bypass mode
Many regulators support a bypass mode where they simply switch their
input supply to the output. This is mainly used in low power retention
states where power consumption is extremely low so higher voltage or
less clean supplies can be used.

Support this by providing ops for the drivers and a consumer API which
allows the device to be put into bypass mode if all consumers enable it
and the machine enables permission for this.

This is not supported as a mode since the existing modes are rarely used
due to fuzzy definition and mostly redundant with modern hardware which is
able to respond promptly to load changes.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Reviewed-by: Graeme Gregory <gg@slimlogic.co.uk>
2012-09-10 11:25:10 +08:00
Shawn Guo 95ceafd463 cpufreq: Add a generic cpufreq-cpu0 driver
It adds a generic cpufreq driver for CPU0 frequency management based on
clk, regulator, OPP and device tree support.  It can support both
uniprocessor (UP) and those symmetric multiprocessor (SMP) systems which
share clock and voltage across all CPUs.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: AnilKumar Ch <anilkumar@ti.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2012-09-09 22:06:34 +02:00
Shawn Guo b496dfbc94 PM / OPP: Initialize OPP table from device tree
With a lot of devices booting from device tree nowadays, it requires
that OPP table can be initialized from device tree.  The patch adds
a helper function of_init_opp_table together with a binding doc for
that purpose.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2012-09-09 22:06:33 +02:00
Andre Przywara 615b730071 acpi-cpufreq: Add support for disabling dynamic overclocking
One feature present in powernow-k8 that isn't present in acpi-cpufreq
is support for enabling or disabling AMD's core performance boost
technology. This patch adds support to acpi-cpufreq, but also
includes support for Intel's dynamic acceleration.

The original boost disabling sysfs file was per CPU, but acted
globally. Also the naming (cpb) was at least not intuitive.
So lets introduce a single file simply called "boost", which sits
once in /sys/devices/system/cpu/cpufreq.
This should be the only way of using this feature, so add
documentation about the rationale and the usage.

A following patch will re-introduce the cpb knob for compatibility
reasons on AMD CPUs.

Per-CPU boost switching is possible, but not trivial and is thus
postponed to a later patch series.

Signed-off-by: Andre Przywara <andre.przywara@amd.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2012-09-09 22:05:12 +02:00
Jan Kiszka 7efd8fa145 KVM: Improve wording of KVM_SET_USER_MEMORY_REGION documentation
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
2012-09-09 16:39:17 +03:00
Kent Overstreet 4254bba17d block: Kill bi_destructor
Now that we've got generic code for freeing bios allocated from bio
pools, this isn't needed anymore.

This patch also makes bio_free() static, since without bi_destructor
there should be no need for it to be called anywhere else.

bio_free() is now only called from bio_put, so we can refactor those a
bit - move some code from bio_put() to bio_free() and kill the redundant
bio->bi_next = NULL.

v5: Switch to BIO_KMALLOC_POOL ((void *)~0), per Boaz
v6: BIO_KMALLOC_POOL now NULL, drop bio_free's EXPORT_SYMBOL
v7: No #define BIO_KMALLOC_POOL anymore

Signed-off-by: Kent Overstreet <koverstreet@google.com>
CC: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2012-09-09 10:35:39 +02:00
Mimi Zohar 07f6a79415 ima: add appraise action keywords and default rules
Unlike the IMA measurement policy, the appraise policy can not be dependent
on runtime process information, such as the task uid, as the 'security.ima'
xattr is written on file close and must be updated each time the file changes,
regardless of the current task uid.

This patch extends the policy language with 'fowner', defines an appraise
policy, which appraises all files owned by root, and defines 'ima_appraise_tcb',
a new boot command line option, to enable the appraise policy.

Changelog v3:
- separate the measure from the appraise rules in order to support measuring
  without appraising and appraising without measuring.
- change appraisal default for filesystems without xattr support to fail
- update default appraise policy for cgroups

Changelog v1:
- don't appraise RAMFS (Dmitry Kasatkin)
- merged rest of "ima: ima_must_appraise_or_measure API change" commit
  (Dmtiry Kasatkin)

  ima_must_appraise_or_measure() called ima_match_policy twice, which
  searched the policy for a matching rule.  Once for a matching measurement
  rule and subsequently for an appraisal rule. Searching the policy twice
  is unnecessary overhead, which could be noticeable with a large policy.

  The new version of ima_must_appraise_or_measure() does everything in a
  single iteration using a new version of ima_match_policy().  It returns
  IMA_MEASURE, IMA_APPRAISE mask.

  With the use of action mask only one efficient matching function
  is enough.  Removed other specific versions of matching functions.

Changelog:
- change 'owner' to 'fowner' to conform to the new LSM conditions posted by
  Roberto Sassu.
- fix calls to ima_log_string()

Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com>
2012-09-07 14:57:45 -04:00
Mimi Zohar 2fe5d6def1 ima: integrity appraisal extension
IMA currently maintains an integrity measurement list used to assert the
integrity of the running system to a third party.  The IMA-appraisal
extension adds local integrity validation and enforcement of the
measurement against a "good" value stored as an extended attribute
'security.ima'.  The initial methods for validating 'security.ima' are
hashed based, which provides file data integrity, and digital signature
based, which in addition to providing file data integrity, provides
authenticity.

This patch creates and maintains the 'security.ima' xattr, containing
the file data hash measurement.  Protection of the xattr is provided by
EVM, if enabled and configured.

Based on policy, IMA calls evm_verifyxattr() to verify a file's metadata
integrity and, assuming success, compares the file's current hash value
with the one stored as an extended attribute in 'security.ima'.

Changelov v4:
- changed iint cache flags to hex values

Changelog v3:
- change appraisal default for filesystems without xattr support to fail

Changelog v2:
- fix audit msg 'res' value
- removed unused 'ima_appraise=' values

Changelog v1:
- removed unused iint mutex (Dmitry Kasatkin)
- setattr hook must not reset appraised (Dmitry Kasatkin)
- evm_verifyxattr() now differentiates between no 'security.evm' xattr
  (INTEGRITY_NOLABEL) and no EVM 'protected' xattrs included in the
  'security.evm' (INTEGRITY_NOXATTRS).
- replace hash_status with ima_status (Dmitry Kasatkin)
- re-initialize slab element ima_status on free (Dmitry Kasatkin)
- include 'security.ima' in EVM if CONFIG_IMA_APPRAISE, not CONFIG_IMA
- merged half "ima: ima_must_appraise_or_measure API change" (Dmitry Kasatkin)
- removed unnecessary error variable in process_measurement() (Dmitry Kasatkin)
- use ima_inode_post_setattr() stub function, if IMA_APPRAISE not configured
  (moved ima_inode_post_setattr() to ima_appraise.c)
- make sure ima_collect_measurement() can read file

Changelog:
- add 'iint' to evm_verifyxattr() call (Dimitry Kasatkin)
- fix the race condition between chmod, which takes the i_mutex and then
  iint->mutex, and ima_file_free() and process_measurement(), which take
  the locks in the reverse order, by eliminating iint->mutex. (Dmitry Kasatkin)
- cleanup of ima_appraise_measurement() (Dmitry Kasatkin)
- changes as a result of the iint not allocated for all regular files, but
  only for those measured/appraised.
- don't try to appraise new/empty files
- expanded ima_appraisal description in ima/Kconfig
- IMA appraise definitions required even if IMA_APPRAISE not enabled
- add return value to ima_must_appraise() stub
- unconditionally set status = INTEGRITY_PASS *after* testing status,
  not before.  (Found by Joe Perches)

Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com>
2012-09-07 14:57:44 -04:00
Florian Vaussard f74ce8fb84 gpio/twl4030: get platform data from device tree
Adds a number of missing device tree properties for
twl4030/gpio, and update bindings:
- "ti,use-leds"  -> .use_leds
- "ti,debounce"  -> .debounce
- "ti,mmc-cd"    -> .mmc_cd
- "ti,pullups"   -> .pullups
- "ti,pulldowns" -> .pulldowns

Signed-off-by: Florian Vaussard <florian.vaussard@epfl.ch>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Vaibhav Hiremath <hvaibhav@ti.com>
[b-cousson@ti.com: Fix some checkpatch CHECK issues]
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
2012-09-07 19:22:27 +02:00
Aneesh V 6bc9c66e56 Documentation: dt: emif: device tree bindings for TI's EMIF sdram controller
EMIF - External Memory Interface - is an SDRAM controller used in
TI SoCs. EMIF supports, based on the IP revision, one or more of
DDR2/DDR3/LPDDR2 protocols. This binding describes a given instance
of the EMIF IP and memory parts attached to it.

Reviewed-by: Grant Likely <grant.likely@secretlab.ca>
Tested-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Aneesh V <aneesh@ti.com>
[santosh.shilimkar@ti.com: Rebased against 3.6-rc]
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
2012-09-07 19:18:38 +02:00
Aneesh V 274c27b1f1 Documentation: dt: device tree bindings for LPDDR2 memories
device tree bindings for LPDDR2 SDRAM memories compliant
to JESD209-2 standard.

The 'lpddr2' binding in-turn uses another binding 'lpddr2-timings'
for specifying the AC timing parameters of the memory device at
different speed-bins.

Reviewed-by: Benoit Cousson <b-cousson@ti.com>
Reviewed-by: Grant Likely <grant.likely@secretlab.ca>
Tested-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Aneesh V <aneesh@ti.com>
[santosh.shilimkar@ti.com: Rebased against 3.6-rc]
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
2012-09-07 19:18:37 +02:00
Sourav Poddar 399264b897 Documentation: dt: i2c: trivial-devices: Update for tmp102
Add Description for tmp102 temperature sensor.

Cc: Felipe Balbi <balbi@ti.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Sourav Poddar <sourav.poddar@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
2012-09-07 19:18:35 +02:00
Anton Vorontsov 65f8c95e46 pstore/ftrace: Convert to its own enable/disable debugfs knob
With this patch we no longer reuse function tracer infrastructure, now
we register our own tracer back-end via a debugfs knob.

It's a bit more code, but that is the only downside. On the bright side we
have:

- Ability to make persistent_ram module removable (when needed, we can
  move ftrace_ops struct into a module). Note that persistent_ram is still
  not removable for other reasons, but with this patch it's just one
  thing less to worry about;

- Pstore part is more isolated from the generic function tracer. We tried
  it already by registering our own tracer in available_tracers, but that
  way we're loosing ability to see the traces while we record them to
  pstore. This solution is somewhere in the middle: we only register
  "internal ftracer" back-end, but not the "front-end";

- When there is only pstore tracing enabled, the kernel will only write
  to the pstore buffer, omitting function tracer buffer (which, of course,
  still can be enabled via 'echo function > current_tracer').

Suggested-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-09-06 22:16:58 -07:00
Shaik Ameer Basha 1128658a08 ARM: EXYNOS: Adds G-Scaler device from Device Tree
This patch adds,
- 4 G-Scaler devices to the DT device list
- G-Scaler specific entries to the machine file
- binding documentation for G-Scaler entries

Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Signed-off-by: Leela Krishna Amudala <l.krishna@samsung.com>
Signed-off-by: Shaik Ameer Basha <shaik.ameer@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-09-07 14:13:08 +09:00
Heiko Stuebner 172c6a1365 gpio: samsung: add devicetree init for s3c24xx arches
Until now the EXYNOS-SoC was the only Samsung-SoC supporting the GPIOs
via the device tree. This patch implements dt-support for the
s3c24xx arches.

The controllers contain only 3 cells, as the underlying gpio controller
does not support controlling the drive strength on a gpio level.

Tested with the gpio-keys driver on a s3c2416 based machine.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
[kgene.kim@samsung.com: fixed build error]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-09-07 14:02:50 +09:00
Linus Torvalds f8b9cf0f31 PCI updates for v3.6:
Power management
     - PCI/PM: Enable D3/D3cold by default for most devices
     - PCI/PM: Keep parent bridge active when probing device
     - PCI/PM: Fix config reg access for D3cold and bridge suspending
     - PCI/PM: Add ABI document for sysfs file d3cold_allowed
   Core
     - PCI: Don't print anything while decoding is disabled
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Merge tag '3.6-pci-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:
 "Power management
    - PCI/PM: Enable D3/D3cold by default for most devices
    - PCI/PM: Keep parent bridge active when probing device
    - PCI/PM: Fix config reg access for D3cold and bridge suspending
    - PCI/PM: Add ABI document for sysfs file d3cold_allowed
  Core
    - PCI: Don't print anything while decoding is disabled"

* tag '3.6-pci-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  PCI: Don't print anything while decoding is disabled
  PCI/PM: Add ABI document for sysfs file d3cold_allowed
  PCI/PM: Fix config reg access for D3cold and bridge suspending
  PCI/PM: Keep parent bridge active when probing device
  PCI/PM: Enable D3/D3cold by default for most devices
2012-09-06 17:15:49 -07:00
liang xie ef4158c563 Document:add Chinese translation of basic_profiling.txt
This is a Chinese translated version of Documentation/basic_profiling.txt

Signed-off-by: Liang Xie <xieliang007@gmail.com>
Acked-by: Harry Wei <harryxiyou@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-06 15:09:25 -07:00
Sylwester Nawrocki 98025c8c75 gpio: samsung: Update documentation
Update Samsung GPIO API documentation to reflect removal of
the s3c24xx specific gpio API. While at it, fix some typos.

The notes on conversion from s3c2410_* functions to the gpiolib
API are left here just in case there is any out of tree code that
still needs to be converted.

Signed-off-by: Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-09-07 06:40:29 +09:00
Thomas Abraham 30574f0db1 pinctrl: add samsung pinctrl and gpiolib driver
Add a new device tree enabled pinctrl and gpiolib driver for Samsung
SoC's. This driver provides a common and extensible framework for all
Samsung SoC's to interface with the pinctrl and gpiolib subsystems. This
driver supports only device tree based instantiation and hence can be
used only on those Samsung platforms that have device tree enabled.

This driver is split into two parts: the pinctrl interface and the gpiolib
interface. The pinctrl interface registers pinctrl devices with the pinctrl
subsystem and gpiolib interface registers gpio chips with the gpiolib
subsystem. The information about the pins, pin groups, pin functions and
gpio chips, which are SoC specific, are parsed from device tree node.

Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-09-07 06:07:19 +09:00
srinivas pandruvada 620c789263 HID: sensors: add documentation
Added a summary of HID sensor framework.

Signed-off-by: srinivas pandruvada <srinivas.pandruvada@intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2012-09-06 19:11:04 +01:00
Linus Torvalds eeea3ac912 arm-soc: bug fixes for v3.6-rc5
Mostly Renesas and Atmel bugfixes this time, targeting boot and build
 problems. A couple of patches for gemini and kirkwood as well. On a
 whole nothing very controversial.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC bug fixes from Olof Johansson:
 "Mostly Renesas and Atmel bugfixes this time, targeting boot and build
  problems.  A couple of patches for gemini and kirkwood as well.  On a
  whole nothing very controversial."

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: gemini: fix the gemini build
  ARM: shmobile: armadillo800eva: enable rw rootfs mount
  ARM: Kirkwood: Fix 'SZ_1M' undeclared here for db88f6281-bp-setup.c
  ARM: shmobile: mackerel: fixup usb module order
  ARM: shmobile: armadillo800eva: fixup: sound card detection order
  ARM: shmobile: marzen: fixup smsc911x id for regulator
  ARM: at91/feature-removal-schedule: delay at91_mci removal
  ARM: mach-shmobile: armadillo800eva: Enable power button as wakeup source
  ARM: mach-shmobile: armadillo800eva: Fix GPIO buttons descriptions
  ARM: at91/dts: remove partial parameter in at91sam9g25ek.dts
  ARM: at91/clock: fix PLLA overclock warning
  ARM: at91: fix rtc-at91sam9 irq issue due to sparse irq support
  ARM: at91: fix system timer irq issue due to sparse irq support
  ARM: shmobile: sh73a0: fixup RELOC_BASE of intca_irq_pins_desc
2012-09-06 10:23:58 -07:00
Kishon Vijay Abraham I f8515f0639 usb: twl4030: Add device tree support for twl4030 usb
Add device tree support for twl4030 usb driver.
Update the Documentation with device tree binding information.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-09-06 20:16:07 +03:00
Kishon Vijay Abraham I ff0a1f3940 usb: twl6030: Add dt support for twl6030 usb
Add device tree support for twl6030 usb driver.
Update the Documentation with device tree binding information.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-09-06 20:16:07 +03:00
Kishon Vijay Abraham I 657b306a7b usb: phy: add a new driver for omap usb2 phy
All phy related programming like enabling/disabling the clocks, powering
on/off the phy is taken care of by this driver. It is also used for OTG
related functionality like srp.

This also includes device tree support for usb2 phy driver and
the documentation with device tree binding information is updated.

Currently writing to control module register is taken care in this
driver which will be removed once the control module driver is in place.

Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-09-06 20:14:53 +03:00
Ninja Tekkaman 27b18dd97e Documentation: Chinese translation of Documentation/arm/Booting
This is a Chinese translated version of Documentation/arm/Booting

Signed-off-by: Fu Wei <tekkamanninja@gmail.com>
Acked-by: Harry Wei <harryxiyou@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-06 09:38:15 -07:00
Tomas Hlavacek 6915c0e487 tty: uartclk value from serial_core exposed to sysfs
Added file /sys/devices/.../tty/ttySX/uartclk to allow reading
uartclk value in struct uart_port in serial_core via sysfs.

tty_register_device() has been generalized and refactored in order
to add support for setting drvdata and attribute_group to the device.

Signed-off-by: Tomas Hlavacek <tmshlvck@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-06 09:22:04 -07:00
Takashi Iwai 080108c474 ALSA: Follow channel position definitions to alsa-lib mixer
There is already a set of channel position definitions in alsa-lib
mixer.h, and it'd be more practical to keep the same order for the
PCM channel map, too.  The value is shifted with 1 to keep zero for
UNKNOWN.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-09-06 18:08:34 +02:00
Fabio Estevam 239078da17 devicetree: serial: Add documentation for imx serial
Add documentation for imx serial.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
2012-09-06 11:01:46 -05:00
Fabio Estevam 7185fcc62d devicetree: pwm: mxs-pwm.txt: Fix reg field annotation
In the reg field we should annotate the register address space in hexadecimal
format.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
2012-09-06 11:01:43 -05:00
Takashi Iwai be84bbcccc ALSA: Add a documentation for channel mapping API
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-09-06 18:01:17 +02:00
Hebbar, Gururaja e5ec69da24 ASoC: Davinci: McASP: add support new McASP IP Variant
The OMAP2+ variant of McASP is different from Davinci variant w.r.to
some register offset.

Changes
- Add new MCASP_VERSION_3 to identify new variant. New DT compatible
  "ti,omap2-mcasp-audio" to identify version 3 controller.
- The register offsets are handled depending on the version.

Note:
    DMA parameters (dma fifo offset) are not updated and will be done later.

Signed-off-by: Hebbar, Gururaja <gururaja.hebbar@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-09-06 08:20:33 +08:00
Cong Wang 68a5059ecf block: remove the deprecated ub driver
It was scheduled to be removed in 3.6.

Acked-by: Pete Zaitcev <zaitcev@redhat.com>
Cc: Jens Axboe <jaxboe@fusionio.com>
Cc: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-05 17:18:53 -07:00
Laxman Dewangan 9394b80c35 regulator: tps6586x: add support for SYS rail
Device have SYS rail which is always ON. It is system power bus. LDO5
and LDO_RTC get powered through this rail internally. Add support for
this rail and make the LDO5/LDO_RTC supply by it. Update document
accordingly.

[swarren: Instantiate the sys regulator from board-harmony-power.c to
 avoid regression.]

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-09-06 07:57:00 +08:00
Marek Vasut e64d07a2da spi/mxs: Make the SPI block clock speed configurable via DT
Add "clock-frequency" property, which allows configuring the SPI block's
base speed.

Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-09-06 07:45:53 +08:00
Daniel Mack 38ab18caa0 spi: spi-gpio: Add DT bindings
This patch adds DT bindings to the spi-gpio driver and some
documentation about how to use it.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-09-06 07:41:09 +08:00
Olof Johansson 402efdb48d Merge branch 'pinmux-dt' of git://gitorious.org/sirfprima2-kernel/sirfprima2-kernel into next/dt
This branch enables device tree bindings for the CSR Prima pin control
subsystem. All patches acked by Linus W (pinctrl maintainer).

* 'pinmux-dt' of git://gitorious.org/sirfprima2-kernel/sirfprima2-kernel:
  pinctrl: sirf: add DT-binding pinmux mapping support
  ARM: PRIMA2: rename prima2-cb.dts to prima2.dtsi as it only has SoC features
  ARM: PRIMA2: add missing interrupts property for pinctrl node
  + sync to Linux 3.6-rc4
2012-09-05 16:27:00 -07:00
Olof Johansson 1875962377 Merge branch 'soc-core' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/dt
* 'soc-core' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: mach-shmobile: Add compilation support for dtbs using 'make dtbs'
  + sync to 3.6-rc3
2012-09-05 15:35:48 -07:00
David Daney d6ae0d578d misc/at25, dt: Improve at25 SPI eeprom device tree bindings.
Commit 002176db (misc: at25: Parse dt settings) added device tree
bindings the differ significantly in style from the I2C EEPROM
bindings and don't seem well vetted.  Here I deprecate (but still
support) the "at25,*" properties, and add what I hope is a better
alternative.  These new bindings also happen to be deployed in the
field and were previously submitted for consideration here:

https://lists.ozlabs.org/pipermail/devicetree-discuss/2012-May/015556.html

The advantages of the new bindings are that they are similar to the
I2C EEPROMs and they don't conflate read-only and the address width
modes in a binary encoded blob.

Signed-off-by: David Daney <david.daney@cavium.com>
Cc: Alexandre Pereira da Silva <aletes.xgr@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Michael Hennerich <michael.hennerich@analog.com>
Cc: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-05 14:10:29 -07:00
AnilKumar Ch 0bf5a8be47 lis3lv02d: Add STMicroelectronics lis331dlh digital accelerometer
This patch adds support for lis331dlh digital accelerometer to the
lis3lv02d driver family. Adds ID field for detecting the lis331dlh
module, based on this ID field lis3lv02d driver will export the
lis331dlh module functionality.

Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-05 13:44:04 -07:00
Peter Meerwald f28d5a0156 extcon: fix typos in sys-class-extcon
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-05 12:18:11 -07:00
Mark Brown 75d8f2931a Merge branch 'asoc-omap' into for-3.7 2012-09-05 20:05:11 +08:00
Takashi Iwai 14e4291721 Merge branch 'fixes' of git://git.alsa-project.org/alsa-kernel into for-next 2012-09-05 09:17:31 +02:00
Dmitry Torokhov e6c340171f Linux 3.6-rc4
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Merge tag 'v3.6-rc4' into next

Linux 3.6-rc4

# gpg: Signature made Sat 01 Sep 2012 10:40:33 AM PDT using RSA key ID 00411886
# gpg: Good signature from "Linus Torvalds <torvalds@linux-foundation.org>"
2012-09-04 22:57:19 -07:00
Olof Johansson cd75473609 Bunch of perf updates for the ARM backend that pave the way for
big.LITTLE support in the future. The separation of CPU and PMU code
 is also the start of being able to move some of this stuff under
 drivers/.
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Merge tag 'arm-perf-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into next/cleanup

From Will Deacon:

Bunch of perf updates for the ARM backend that pave the way for
big.LITTLE support in the future. The separation of CPU and PMU code
is also the start of being able to move some of this stuff under
drivers/.

* tag 'arm-perf-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux:
  ARM: perf: move irq registration into pmu implementation
  ARM: perf: move CPU-specific PMU handling code into separate file
  ARM: perf: prepare for moving CPU PMU code into separate file
  ARM: perf: probe devicetree in preference to current CPU
  ARM: perf: remove mysterious compiler barrier
  ARM: pmu: remove arm_pmu_type enumeration
  ARM: pmu: remove unused reservation mechanism
  ARM: perf: add devicetree bindings for 11MPcore, A5, A7 and A15 PMUs
  ARM: PMU: Add runtime PM Support
2012-09-04 22:12:41 -07:00
Mark Brown fc600432cd Linux 3.6-rc4
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Merge tag 'v3.6-rc4' into asoc-omap

Linux 3.6-rc4
2012-09-05 13:04:34 +08:00
Ninja Tekkaman 8db0f9343a Documentation: Chinese translation of Documentation/video4linux/v4l2-framework.txt
This is a Chinese translated version of
Documentation/video4linux/v4l2-framework.txt

Signed-off-by: Fu Wei <tekkamanninja@gmail.com>
Acked-by: Harry Wei <harryxiyou@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-04 16:09:54 -07:00
Ninja Tekkaman b5ced6b365 Documentation: Chinese translation of Documentation/filesystems/sysfs.txt
This is a Chinese translated version of Documentation/filesystems/sysfs.txt

Signed-off-by: Fu Wei <tekkamanninja@gmail.com>
Acked-by: Harry Wei <harryxiyou@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-04 16:08:29 -07:00
Robert P. J. Day ae6480eca0 Documentation: Fix "struct kobj_type" to include newer members.
kobj_type replaced by verbatim copy-and-paste from kobject.h.

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-04 16:06:34 -07:00
Ninja Tekkaman 6e2187bf59 Chinese translation of Documentation/gpio.txt
This is a Chinese translated version of Documentation/gpio.txt

Signed-off-by: Fu Wei <tekkamanninja@gmail.com>
Acked-by: Harry Wei <harryxiyou@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-04 16:04:59 -07:00
Chris Ball abe1e05da3 mmc: dt: Add card-detection properties to core binding.
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04 13:58:26 -04:00
Sebastian Hesselbarth 4ee7ed0de9 mmc: sdhci-dove: DT support for sdhci-dove
This patch adds device tree support and binding documentation for
sdhci-dove.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@googlemail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04 13:58:15 -04:00
Ludovic Desroches e919fd2000 mmc: atmel-mci: add device tree support
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04 13:58:14 -04:00
Daniel Mack e6027b467c mmc: pxa-mci: add DT bindings
Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04 13:58:12 -04:00
Arnd Bergmann 863e99a8c1 Merge commit 'a849088aa1' from rmk/fixes into cleanup/io-pci
As Stephen Rothwell reports, a849088aa1 ("ARM: Fix ioremap() of
address zero") from the arm-current tree and commit c279443709 ("ARM:
Add fixed PCI i/o mapping") from the arm-soc tree conflict in
a nontrivial way in arch/arm/mm/mmu.c.

Rob Herring explains:
The PCI i/o reserved area has a dummy physical address of 0 and
needs to be skipped by ioremap searches. So we don't set
VM_ARM_STATIC_MAPPING to prevent matches by ioremap. The vm_struct
settings don't really matter when we do the real mapping of the
i/o space.

Since commit a849088aa1 is at the start of the fixes branch
in the arm tree, we can merge it into the branch that contains
the other ioremap changes.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
2012-09-04 15:01:37 +02:00
Carsten Emde 62d6ae880e Honor state disabling in the cpuidle ladder governor
There are two cpuidle governors ladder and menu. While the ladder
governor is always available, if CONFIG_CPU_IDLE is selected, the
menu governor additionally requires CONFIG_NO_HZ.

A particular C state can be disabled by writing to the sysfs file
/sys/devices/system/cpu/cpuN/cpuidle/stateN/disable, but this mechanism
is only implemented in the menu governor. Thus, in a system where
CONFIG_NO_HZ is not selected, the ladder governor becomes default and
always will walk through all sleep states - irrespective of whether the
C state was disabled via sysfs or not. The only way to select a specific
C state was to write the related latency to /dev/cpu_dma_latency and
keep the file open as long as this setting was required - not very
practical and not suitable for setting a single core in an SMP system.

With this patch, the ladder governor only will promote to the next
C state, if it has not been disabled, and it will demote, if the
current C state was disabled.

Note that the patch does not make the setting of the sysfs variable
"disable" coherent, i.e. if one is disabling a light state, then all
deeper states are disabled as well, but the "disable" variable does not
reflect it. Likewise, if one enables a deep state but a lighter state
still is disabled, then this has no effect. A related section has been
added to the documentation.

Signed-off-by: Carsten Emde <C.Emde@osadl.org>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2012-09-04 01:35:44 +02:00
Pablo Neira Ayuso ace1fe1231 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
This merges (3f509c6 netfilter: nf_nat_sip: fix incorrect handling
of EBUSY for RTCP expectation) to Patrick McHardy's IPv6 NAT changes.
2012-09-03 15:34:51 +02:00
Cong Wang 965505015b netfilter: remove xt_NOTRACK
It was scheduled to be removed for a long time.

Cc: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: Patrick McHardy <kaber@trash.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: netfilter@vger.kernel.org
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2012-09-03 13:36:40 +02:00
Uwe Kleine-König b9aa8f13ea pinctrl: pinctrl-imx: add imx35 pinctrl driver
This is mostly cut'n'paste from the imx51 pinctrl driver.
The data was generated using sed and awk on
arch/arm/plat-mxc/include/mach/iomux-mx35.h.

Changes since (implicit) v1
 - remove references to file names in binding documentation
 - remove sed commands from comments in driver
 - add explicit numbers for pins and functions

Acked-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Acked-by: Dong Aisheng <dong.aisheng@linaro.org>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-03 13:21:37 +02:00
Oskar Schirmer 1557cc4211 doc: fix broken utf8 encoding
conversion to utf8 left some extra control character here,
remove it.

Signed-off-by: Oskar Schirmer <oskar@scara.com>
Cc: John Anthony Kazos Jr <jakj@j-a-k-j.com>
Cc: Rob Landley <rob@landley.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-09-01 10:24:06 -07:00
Jesper Juhl 0de4b95409 doc: getdelays.c: remember to close() socket on error in create_nl_socket()
If the call to setsockopt() fails in
Documentation/accounting/getdelays.c::create_nl_socket() we return -1
without closing the socket, thus leaking it when the 'fd' variable
goes out of scope.

Easily fixed by just jumping to the 'error' label instead of returning
since we do the proper cleanup there.

While I was there I noticed that the error message that is printet if
setsockopt() fails was broken over two lines - put that on a single
line so it is easier to grep for.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-09-01 09:58:59 -07:00
Jesper Juhl 5ffd27fa8d doc: aliasing-test: close fd on write error
If write fails, remember to close(fd) before returning.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-09-01 09:57:10 -07:00