12535 Commits

Author SHA1 Message Date
Bart Van Assche
dc1bdbd9b8 IB/srp: Allow SRP disconnect through sysfs
Make it possible to disconnect the IB RC connection used by the SRP
protocol to communicate with a target.

Have the SRP transport layer create a sysfs "delete" attribute for
initiator drivers that support this functionality.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: David Dillow <dillowda@ornl.gov>
Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Robert Jennings <rcj@linux.vnet.ibm.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-11-30 17:40:33 -08:00
Bart Van Assche
7e1265bfe7 srp_transport: Document sysfs attributes
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Robert Jennings <rcj@linux.vnet.ibm.com>
Acked-by: David Dillow <dillowda@ornl.gov>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-11-30 17:40:33 -08:00
Bart Van Assche
a4605a9369 IB/srp: Document sysfs attributes
Document the sysfs attributes of the SRP initiator (ib_srp) according
to the rules specified in Documentation/ABI/README.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: David Dillow <dillowda@ornl.gov>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-11-30 17:40:32 -08:00
Olof Johansson
823c9faefc Merge branch 'next/cam-samsung' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc
From Kukjin Kim:
Just adding camif gpio setup and clkdev.

* 'next/cam-samsung' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: S3C24XX: Add clkdev entry for camif-upll clock
  ARM: SAMSUNG: Add s3c24xx/s3c64xx CAMIF GPIO setup helpers
  + Linux 3.7-rc6

Conflicts due to the 3.7-rc6 sync: arch/arm/mach-highbank/system.c
include/linux/clk-provider.h, resolved as in other branches.

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-11-30 09:27:57 -08:00
Olof Johansson
5e5d8999a3 mvebu cache-l2x0 for v3.8
- Add support for l2x0 cache on mvebu boards
 
  - Depends on mvebu/everything
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Merge tag 'mvebu_cache_l2x0_for_3.8' of git://git.infradead.org/users/jcooper/linux into late/mvebu

From Jason Cooper:
mvebu cache-l2x0 for v3.8

 - Add support for l2x0 cache on mvebu boards

 - Depends on mvebu/everything

* tag 'mvebu_cache_l2x0_for_3.8' of git://git.infradead.org/users/jcooper/linux:
  arm: l2x0: add aurora related properties to OF binding
  arm: mvebu: add Aurora L2 Cache Controller to the DT
  arm: mvebu: add L2 cache support
2012-11-30 09:08:56 -08:00
Olof Johansson
0c0029cb18 mvebu everything for v3.8
- due to the complex interdependencies of the received pull requests
    I decided to keep this in one branch the way they recommended merging it
  - this was their first attempt at doing pull requests, we'll work on it
    with them
 
  - added SMP support for mvebu SoCs
  - added coherency fabric
  - added mdio and mvneta drivers
  - added mirabox board
  - added openblocks ax3-4 board
  - clock fixes and improvements
  - converted mv_xor driver to devicetree (extensive series in itself)
 
 merge conflicts with orion/*
  - arch/arm/mach-kirkwood/Kconfig
     - select everything
  - arch/arm/mach-kirkwood/board-dt.c
     - remove AUXDATA
     - keep all of_machine_is_compatible()
     - use of_platform_populate(NULL, kirkwood_dt_match_table, NULL, NULL)
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Merge tag 'mvebu_everything_for_3.8' of git://git.infradead.org/users/jcooper/linux into late/mvebu

From Jason Cooper. Unfortunately this is a combined branch with all
mvebu code as one drop, something we normally try to avoid and instead
slice vendor topics across our branches. Hopefully we can avoid doing
this again for 3.9!

mvebu everything for v3.8
 - due to the complex interdependencies of the received pull requests
   I decided to keep this in one branch the way they recommended merging it
 - this was their first attempt at doing pull requests, we'll work on it
   with them

 - added SMP support for mvebu SoCs
 - added coherency fabric
 - added mdio and mvneta drivers
 - added mirabox board
 - added openblocks ax3-4 board
 - clock fixes and improvements
 - converted mv_xor driver to devicetree (extensive series in itself)

* tag 'mvebu_everything_for_3.8' of git://git.infradead.org/users/jcooper/linux: (85 commits)
  dma: mv_xor: fix error handling path
  dma: mv_xor: fix error checking of irq_of_parse_and_map()
  dma: mv_xor: use request_irq() instead of devm_request_irq()
  dma: mv_xor: clear the window override control registers
  arm: mvebu: fix address decoding armada_cfg_base() function
  ARM: mvebu: update defconfig with I2C and RTC support
  ARM: mvebu: Add SATA support for OpenBlocks AX3-4
  ARM: mvebu: Add support for the RTC in OpenBlocks AX3-4
  ARM: mvebu: Add support for I2C on OpenBlocks AX3-4
  ARM: mvebu: Add support for I2C controllers in Armada 370/XP
  arm: mvebu: Add hardware I/O Coherency support
  arm: plat-orion: Add coherency attribute when setup mbus target
  arm: dma mapping: Export a dma ops function arm_dma_set_mask
  arm: mvebu: Add SMP support for Armada XP
  arm: mm: Add support for PJ4B cpu and init routines
  arm: mvebu: Add IPI support via doorbells
  arm: mvebu: Add initial support for power managmement service unit
  arm: mvebu: Add support for coherency fabric in mach-mvebu
  arm: mvebu: update defconfig to include XOR driver
  arm: mvebu: update defconfig to include network driver
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-11-30 09:02:53 -08:00
Stephen Warren
90b335fbbc kbuild: centralize .dts->.dtb rule
All architectures that use cmd_dtc do so in almost the same way. Create
a central build rule to avoid duplication. The one difference is that
most current uses of dtc build $(obj)/%.dtb from $(src)/dts/%.dts rather
than building the .dtb in the same directory as the .dts file. This
difference will be eliminated arch-by-arch in future patches.

MIPS is the exception here; it already uses the exact same rule as the
new common rule, so the duplicate is removed in this patch to avoid any
conflict. arch/mips changes courtesy of Ralf Baechle.

Update Documentation/kbuild to remove the explicit call to cmd_dtc from
the example, now that the rule exists in a centralized location.

Cc: Arnd Bergmann <arnd@arndb.de>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Olof Johansson <olof@lixom.net>
Cc: Russell King <linux@arm.linux.org.uk>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: linux@lists.openrisc.net
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
Cc: linux-c6x-dev@linux-c6x.org
Cc: Mark Salter <msalter@redhat.com>
Cc: Michal Simek <monstr@monstr.eu>
Cc: microblaze-uclinux@itee.uq.edu.au
Cc: Chris Zankel <chris@zankel.net>
Cc: linux-xtensa@linux-xtensa.org
Cc: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
2012-11-30 10:52:19 -06:00
Olof Johansson
c8a1ceccf3 Timer clean-up to get us closer to moving timer code to drivers,
and to get rid of CONFIG_OMAP_32K_TIMER and rely on the board
 or devicetree provided timer configuration.
 
 Note that these changes are on top of the recent timer fixes.
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Merge tag 'omap-for-v3.8/cleanup-timer-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup

Timer clean-up to get us closer to moving timer code to drivers,
and to get rid of CONFIG_OMAP_32K_TIMER and rely on the board
or devicetree provided timer configuration.

Note that these changes are on top of the recent timer fixes.

By Jon Hunter (32) and others
via Tony Lindgren
* tag 'omap-for-v3.8/cleanup-timer-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (71 commits)
  ARM: OMAP3: cm-t3517: use GPTIMER for system clock
  ARM: OMAP2+: timer: remove CONFIG_OMAP_32K_TIMER
  ARM: OMAP2+: Fix compiler warning for 32k timer
  ARM: OMAP: Remove unnecessary inclusion of dmtimer.h
  ARM: OMAP: Add platform data header for DMTIMERs
  ARM: OMAP: Remove unnecessary omap_dm_timer structure declaration
  ARM: OMAP2+: Remove unnecessary local variable in timer code
  ARM: OMAP: Don't store timers physical address
  ARM: OMAP: Define omap_dm_timer_prepare function as static
  ARM: OMAP: Clean-up dmtimer reset code
  ARM: OMAP: Remove __omap_dm_timer_set_source function
  ARM: OMAP: Remove unnecessary call to clk_get()
  ARM: OMAP: Add dmtimer interrupt disable function
  ARM: OMAP: Fix spurious interrupts when using timer match feature
  ARM: OMAP: Don't restore DMTIMER interrupt status register
  ARM: OMAP: Don't restore of DMTIMER TISTAT register
  ARM: OMAP: Fix dmtimer reset for timer1
  ARM: OMAP2+: Don't use __omap_dm_timer_reset()
  ARM: OMAP2/3: Define HWMOD software reset status for DMTIMERs
  ARM: OMAP3: Correct HWMOD DMTIMER SYSC register declarations
  ...

Change/change conflict in arch/arm/mach-omap2/board-cm-t3517.c.

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-11-29 22:30:11 -08:00
Rafael J. Wysocki
aa84950674 Merge branch 'pm-cpufreq'
* pm-cpufreq: (21 commits)
  cpufreq: ondemand: update sampling rate only on right CPUs
  cpufreq: SPEAr: Add CPUFreq driver
  cpufreq: governors: Fix jiffies/cputime mixup (revisited)
  cpufreq: ondemand: fix wrong delay sampling rate
  cpufreq: exynos: Use static for functions used in only this file
  cpufreq: exynos: Broadcast frequency change notifications for all cores
  cpufreq: remove use of __devexit
  cpufreq: remove use of __devinit
  cpufreq: remove use of __devexit_p
  cpufreq: Remove unnecessary initialization of a local variable
  cpufreq: Make sure target freq is within limits
  cpufreq: Avoid calling cpufreq driver's target() routine if target_freq == policy->cur
  cpufreq: Fix sparse warning by making local function static
  cpufreq: Fix sparse warnings by updating cputime64_t to u64
  cpufreq: governors: remove redundant code
  cpufreq: return early from __cpufreq_driver_getavg()
  cpufreq: fix jiffies/cputime mixup in conservative/ondemand governors
  cpufreq: Improve debug prints
  cpufreq: Move common part from governors to separate file, v2
  cpufreq / core: Fix printing of governor and driver name
  ...
2012-11-29 21:46:04 +01:00
Rafael J. Wysocki
d4c091f13d Merge branch 'acpi-general'
* acpi-general: (38 commits)
  ACPI / thermal: _TMP and _CRT/_HOT/_PSV/_ACx dependency fix
  ACPI: drop unnecessary local variable from acpi_system_write_wakeup_device()
  ACPI: Fix logging when no pci_irq is allocated
  ACPI: Update Dock hotplug error messages
  ACPI: Update Container hotplug error messages
  ACPI: Update Memory hotplug error messages
  ACPI: Update CPU hotplug error messages
  ACPI: Add acpi_handle_<level>() interfaces
  ACPI: remove use of __devexit
  ACPI / PM: Add Sony Vaio VPCEB1S1E to nonvs blacklist.
  ACPI / battery: Correct battery capacity values on Thinkpads
  Revert "ACPI / x86: Add quirk for "CheckPoint P-20-00" to not use bridge _CRS_ info"
  ACPI: create _SUN sysfs file
  ACPI / memhotplug: bind the memory device when the driver is being loaded
  ACPI / memhotplug: don't allow to eject the memory device if it is being used
  ACPI / memhotplug: free memory device if acpi_memory_enable_device() failed
  ACPI / memhotplug: fix memory leak when memory device is unbound from acpi_memhotplug
  ACPI / memhotplug: deal with eject request in hotplug queue
  ACPI / memory-hotplug: add memory offline code to acpi_memory_device_remove()
  ACPI / memory-hotplug: call acpi_bus_trim() to remove memory device
  ...

Conflicts:
	include/linux/acpi.h (two additions at the end of the same file)
2012-11-29 21:43:06 +01:00
Rafael J. Wysocki
c8b6817103 Merge branch 'pm-qos'
* pm-qos:
  PM / QoS: Handle device PM QoS flags while removing constraints
  PM / QoS: Resume device before exposing/hiding PM QoS flags
  PM / QoS: Document request manipulation requirement for flags
  PM / QoS: Fix a free error in the dev_pm_qos_constraints_destroy()
  PM / QoS: Fix the return value of dev_pm_qos_update_request()
  PM / ACPI: Take device PM QoS flags into account
  PM / Domains: Check device PM QoS flags in pm_genpd_poweroff()
  PM / QoS: Make it possible to expose PM QoS device flags to user space
  PM / QoS: Introduce PM QoS device flags support
  PM / QoS: Prepare struct dev_pm_qos_request for more request types
  PM / QoS: Introduce request and constraint data types for PM QoS flags
  PM / QoS: Prepare device structure for adding more constraint types
2012-11-29 21:40:32 +01:00
Rick Jones
7e3a2dc529 doc: make the description of how tcp_ecn works more explicit and clear
Make the description of how tcp_ecn works a bit more explicit and clear.

Signed-off-by: Rick Jones <rick.jones2@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-29 13:14:58 -05:00
Alban Bedel
e89e29b858 Input: tca8418_keypad - add support for device tree bindings
Signed-off-by: Alban Bedel <alban.bedel@avionic-design.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2012-11-29 09:28:50 -08:00
Tekkaman Ninja
715a7119ea Documentation: Fixes a word in Documentation/arm64/memory.txt
Fixes a term in Documentation/arm64/memory.txt
The modification is based on Catalin Marinas <catalin.marinas@arm.com>'s
suggestion:
    "memory" in "ffffffc000000000 ffffffffffffffff 256GB memory"
    should  be treated as "kernel logical memory map".

Signed-off-by: Fu Wei <tekkamanninja@gmail.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-11-29 16:33:18 +00:00
Marek Szyprowski
4b9347dcbe common: DMA-mapping: add DMA_ATTR_FORCE_CONTIGUOUS attribute
This patch adds DMA_ATTR_FORCE_CONTIGUOUS attribute to the DMA-mapping
subsystem.

By default DMA-mapping subsystem is allowed to assemble the buffer
allocated by dma_alloc_attrs() function from individual pages if it can
be mapped as contiguous chunk into device dma address space. By
specifing this attribute the allocated buffer is forced to be contiguous
also in physical memory.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
2012-11-29 03:30:34 -08:00
Tomi Valkeinen
473af20f70 Merge branch 'exynos-dp-next' of git://github.com/jingoo/linux into for-linus
Exynos DP changes for the 3.8 merge window.

- Device Tree support for Samsung Exynos DP
- SW Link training is cleaned up.
- HPD interrupt is supported.

* 'exynos-dp-next' of git://github.com/jingoo/linux:
  video: exynos_dp: remove redundant parameters
  video: exynos_dp: Fix incorrect setting for INT_CTL
  video: exynos_dp: Reset and initialize DP before requesting irq
  video: exynos_dp: Enable hotplug interrupts
  video: exynos_dp: Move hotplug into a workqueue
  video: exynos_dp: Remove sink control to D0
  video: exynos_dp: Fix bug when checking dp->irq
  video: exynos_dp: Improve EDID error handling
  video: exynos_dp: Get pll lock before pattern set
  video: exynos_dp: Clean up SW link training
  video: exynos_dp: Check DPCD return codes
  video: exynos_dp: device tree documentation
  video: exynos_dp: Add device tree support to DP driver
2012-11-29 10:34:41 +02:00
Ajay Kumar
825e90d0a1 video: exynos_dp: device tree documentation
Add documentation for the DT bindings in exynos display port driver.

Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
2012-11-29 10:33:26 +09:00
Peter Ujfalusi
1c08e7e3b2 ASoC: omap-abe-twl6040: Use "ti,jack-detection" DT property as boolean
Handle the jack detection inforamtion as bool from devicetree.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-11-28 19:13:18 +00:00
Donald Dutile
2597ba763f PCI: SRIOV control and status via sysfs (documentation)
Add documentation of new sysfs files and new pci_driver SRIOV
configuration interface.

[bhelgaas: changelog]
Signed-off: Donald Dutile <ddutile@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2012-11-28 11:25:47 -07:00
Peter Ujfalusi
aa7656471d pwm: New driver to support PWM driven LEDs on TWL4030/6030 series of PMICs
The driver supports the following LED outputs as generic PWM driver:
TWL4030 LEDA and LEDB (PWMA and PWMB)
TWL6030 Charging indicator LED (PWM LED)

On TWL6030 when the PWM requested LED is configured to be controlled by SW.
In this case the user can enable/disable and set the duty period freely.
When the PWM has been freed, the LED driver is put back to HW control.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-11-28 15:16:19 +01:00
Peter Ujfalusi
3744c26386 pwm: New driver to support PWMs on TWL4030/6030 series of PMICs
The driver supports the following PWM outputs:
TWL4030 PWM0 and PWM1
TWL6030 PWM1 and PWM2

On TWL4030 the PWM signals are muxed. Upon requesting the PWM the driver
will select the correct mux so the PWM can be used. When the PWM has been
freed the original configuration is going to be restored.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-11-28 15:16:19 +01:00
Philip, Avinash
53ad9e8d37 pwm: tiehrpwm: Add device-tree binding
This patch
1. Add support for device-tree binding for EHRWPM driver.
2. Set size of pwm-cells set to 3 to support PWM channel number, PWM
   period & polarity configuration from device tree.
3. Add enable/disable clock gating in PWM subsystem common config space.
4. When here set .owner member in platform_driver structure to
   THIS_MODULE.

Signed-off-by: Philip, Avinash <avinashphilip@ti.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Rob Landley <rob@landley.net>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-11-28 15:16:17 +01:00
Philip, Avinash
333b08ee8c pwm: tiecap: Add device-tree binding
This patch
1. Add support for device-tree binding for ECAP APWM driver.
2. Set size of pwm-cells set to 3 to support PWM channel number, PWM
   period & polarity configuration from device tree.
3. Add enable/disable clock gating in PWM subsystem common config space.
4. When here set .owner member in platform_driver structure to
   THIS_MODULE.

Signed-off-by: Philip, Avinash <avinashphilip@ti.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Rob Landley <rob@landley.net>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-11-28 15:16:15 +01:00
Philip, Avinash
af0ba001d2 pwm: Add TI PWM subsystem driver
In some platforms (like am33xx), PWM sub modules (ECAP, EHRPWM, EQEP)
are integrated to PWM subsystem. These PWM submodules has resources
shared and only one register bit-field is provided to control
module/clock enable/disable, makes it difficult to handle common
resources from independent PWMSS submodule drivers.

So the solution here implemented in this patch is, to create driver for
PWMSS and take the role of parent driver for PWM submodules. PWMSS
parent driver enumerates all the child nodes under PWMSS module. Also
symbol "pwmss_submodule_state_change" exported to enable clock gating
for individual PWMSS submodules, and submodule drivers has to enable
clock gating from their drivers.

As this is only supported during DT boot, the parent/child relationship
is created and populated in DT execution flow. The only required change
is inside DTS file, making EHRPWM & ECAP as a child to PWMSS node.

Signed-off-by: Philip, Avinash <avinashphilip@ti.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-11-28 15:14:41 +01:00
Daniel Vetter
28164fdad8 drm/doc: add new dp helpers into drm DocBook
I didn't bother with documenting the really trivial new "extract
something from dpcd" helpers, but the i2c over aux ch is now
documented a bit.

v2: Clarify the comment for i2c_dp_aux_add_bus a bit.

v3: Fix more spelling fail spotted by Laurent Pinchart.

Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-11-28 20:26:53 +10:00
Daniel Vetter
d0ddc0338a drm/doc: integrate fb helper reference into docs
Again only minimal changes to make kerneldoc no longer shout. Plus a
little introduction in the form of a inline DOC: section to quickly
explain what this is all about.

v2: Fixup spelling fail.

Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-11-28 20:26:52 +10:00
Daniel Vetter
0d4ed4c8f9 drm/doc: integrate crtc helper api into docbook
- Add the missing doc for drm_helper_move_panel_connectors_to_head.
- Fixup any outdated stuff in existing sections. I've only looked at
  those kerneldoc headers that actually resulted in a complaint from
  the kerneldoc parser tool.

v2:
- Actually include the docbook snippet in the right patch.
- Fix spelling fail.

v3: It's now called drm_crtc_helper_set_mode, spotted by Laurent
Pinchart.

Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-11-28 20:19:58 +10:00
Daniel Vetter
e4949f2974 drm/doc: Helpers are not a Midlayer!
I'm devoting all my wrath to that fight, so don't misname it ;-)

v2: Make it clear that this section talks about kms helpers.

Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-11-28 20:17:07 +10:00
Mauro Carvalho Chehab
d033a308d8 Merge remote-tracking branch 'linus/master' into staging/for_v3.8
* linus/master: (1428 commits)
  futex: avoid wake_futex() for a PI futex_q
  watchdog: using u64 in get_sample_period()
  writeback: put unused inodes to LRU after writeback completion
  mm: vmscan: check for fatal signals iff the process was throttled
  Revert "mm: remove __GFP_NO_KSWAPD"
  proc: check vma->vm_file before dereferencing
  UAPI: strip the _UAPI prefix from header guards during header installation
  include/linux/bug.h: fix sparse warning related to BUILD_BUG_ON_INVALID
  Linux 3.7-rc7
  powerpc/eeh: Do not invalidate PE properly
  ALSA: hda - Fix build without CONFIG_PM
  of/address: sparc: Declare of_iomap as an extern function for sparc again
  PM / QoS: fix wrong error-checking condition
  bnx2x: remove redundant warning log
  vxlan: fix command usage in its doc
  8139cp: revert "set ring address before enabling receiver"
  MPI: Fix compilation on MIPS with GCC 4.4 and newer
  MIPS: Fix crash that occurs when function tracing is enabled
  MIPS: Merge overlapping bootmem ranges
  jbd: Fix lock ordering bug in journal_unmap_buffer()
  ...
2012-11-28 07:22:38 -02:00
Thomas Hellstrom
a82b8db02f kref: Add kref_get_unless_zero documentation
Document how kref_get_unless_zero should be used and how it helps
solve a typical kref / locking problem.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-11-28 18:36:06 +10:00
Yacine Belkadi
e65fe5a914 Kernel-doc: Convention: Use a "Return" section to describe return values
Non-void functions should describe their return values in their kernel-doc
comments. Currently, some don't, others do in various forms. For example:
   * Return the result.
   * Return: The result.
   * Returns the result.
   * Returns: the result.
   * Return Value: The result.
   * @return: the result.
   * This function returns the result.
   * It will return the result.

Defining a convention would improve consistency of kernel-doc comments. It
would also help scripts/kernel-doc identify the text describing the return
value of a function. Thus allowing additional checks on the comments, and
suitable highlighting in the generated docs (man pages, html, etc).

So, as a convention, use a section named "Return" to describe the return
value of a function.

Signed-off-by: Yacine Belkadi <yacine.belkadi.1@gmail.com>
Signed-off-by: Rob Landley <rob@landley.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-11-27 21:08:57 +01:00
Mark Brown
b87d07b13c Merge branch 'topic/hotplug' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into regulator-max8997
Conflicts:
	drivers/regulator/max8997.c
2012-11-27 20:06:08 +00:00
Thomas Abraham
77b71b370e regulator: add device tree support for max8997
Add device tree based discovery support for max8997.

Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-11-27 20:05:36 +00:00
Gregory CLEMENT
3ee11aef75 arm: l2x0: add aurora related properties to OF binding
Aurora is a L2 Cache Controller designed to be compatible with the
L2x0 Cache Controller. L2X0 OF bindings are extended to support some
specificity of Aurora (no cache id part number available through
hardware, always write through mode, choice between outer cache and
system cache).

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Yehuda Yitschak <yehuday@marvell.com>
Tested-and-reviewed-by: Lior Amsalem <alior@marvell.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Barry Song <21cnbao@gmail.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Olof Johansson <olof@lixom.net>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2012-11-27 15:35:43 +00:00
Deepak Sikri
4209932211 cpufreq: SPEAr: Add CPUFreq driver
SPEAr is an ARM based family of SoCs. This patch adds in support of cpufreq
driver for SPEAr SoCs. It is supported via DT only and so bindings are present
in binding document.

Signed-off-by: Deepak Sikri <deepak.sikri@st.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2012-11-27 14:05:26 +01:00
HighPoint Linux Team
286aa03166 [SCSI] hptiop: Support HighPoint RR4520/RR4522 HBA
Support IOP RR4520/RR4522 which are based on Marvell frey.

Signed-off-by: HighPoint Linux Team <linux@highpoint-tech.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-11-27 08:59:43 +04:00
Fu Wei
a550e566f2 Documentation:Update Documentation/zh_CN/arm64/memory.txt
This is a update of Chinese
documentation:Documentation/zh_CN/arm64/memory.txt

It is based on the modifications of Documentation/arm64/memory.txt in
submission :"e3978cde".

Signed-off-by: Fu Wei <tekkamanninja@gmail.com>
Acked-by: Harry Wei <harryxiyou@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-26 16:25:37 -08:00
Giuseppe CAVALLARO
f9e01b5565 stmmac: update the doc with new IRQ mitigation
This patch updates the stmmac.txt adding some information
about the new rx/tx mitigation schema adopted in the driver.

Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-26 17:22:12 -05:00
Satoru Takeuchi
0acba3cd01 xfs: Remove the description of nodelaylog mount option from xfs.txt
nodelaylog mount option is removed by commit 93b8a585. But there still be
the description about it in the xfs document. This patch removes it.

Signed-off-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
Reviewed-by: Ben Myers <bpm@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
2012-11-26 16:00:51 -06:00
Arnd Bergmann
4c929c8a88 ---------------------------------------------------------------
This series will do the following:
 - Switch the Integrator/AP and /CP to use the SoC bus
   when booting from device tree.
 - Group all devices on the SoC below this bus so as to
   set a good example of how to do this. The bus was
   invented by Lee Jones, let's show how it's to be used
   on a DT:ed SoC.
 - Fetch the special system controller offsets from two
   special device tree nodes for each case and replace
   the static mappings with these at boot.
 - Move some static remaps to the ATAG-only code path
   and delete some static maps that aren't used.
 - Push dependencies on system controller remaps down
   to the Integrator/AP board file and the PCIv3 driver
   respectively and use only dynamic remappings.
 - Fix up conditional BUG() usage in the PCIv3 driver
   to be simpler and more to the point.
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Merge tag 'integrator-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator into next/cleanup

From Linus Walleij <linus.walleij@linaro.org>:

This series will do the following:
- Switch the Integrator/AP and /CP to use the SoC bus
  when booting from device tree.
- Group all devices on the SoC below this bus so as to
  set a good example of how to do this. The bus was
  invented by Lee Jones, let's show how it's to be used
  on a DT:ed SoC.
- Fetch the special system controller offsets from two
  special device tree nodes for each case and replace
  the static mappings with these at boot.
- Move some static remaps to the ATAG-only code path
  and delete some static maps that aren't used.
- Push dependencies on system controller remaps down
  to the Integrator/AP board file and the PCIv3 driver
  respectively and use only dynamic remappings.
- Fix up conditional BUG() usage in the PCIv3 driver
  to be simpler and more to the point.

* tag 'integrator-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator:
  ARM: integrator: use BUG_ON where possible
  ARM: integrator: push down SC dependencies
  ARM: integrator: delete static UART1 mapping
  ARM: integrator: delete SC mapping on the CP
  ARM: integrator: remove static CP syscon mapping
  ARM: integrator: remove static AP syscon mapping
  ARM: integrator: hook the CP into the SoC bus
  ARM: integrator: hook the AP into the SoC bus

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-11-26 22:38:38 +01:00
Anthony G. Basile
801b295e4f doc: Remove unnecessary declarations from Documentation/accounting/getdelays.c
stime and utime are declared __u64 but are never used.  On a glibc system
this is harmless lint, but on a uClibc system, because of the difference
in they way header files stack, including stdio.h brings in time.h and
this causes a name collision with stime.  Since these are useless anyhow,
we remove them.

Signed-off-by: Anthony G. Basile <basile@opensource.dyc.edu>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-11-26 14:22:21 +01:00
Shiraz Hashim
80515a5a2e ARM: SPEAr3xx: shirq: simplify and move the shared irq multiplexor to DT
SPEAr3xx architecture includes shared/multiplexed irqs for certain set
of devices. The multiplexor provides a single interrupt to parent
interrupt controller (VIC) on behalf of a group of devices.

There can be multiple groups available on SPEAr3xx variants but not
exceeding 4. The number of devices in a group can differ, further they
may share same set of status/mask registers spanning across different
bit masks. Also in some cases the group may not have enable or other
registers. This makes software little complex.

Present implementation was non-DT and had few complex data structures to
decipher banks, number of irqs supported, mask and registers involved.

This patch simplifies the overall design and convert it in to DT.  It
also removes all registration from individual SoC files and bring them
in to common shirq.c.

Also updated the corresponding documentation for DT binding of shirq.

Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
2012-11-26 16:55:32 +05:30
Viresh Kumar
53d74fd79d Merge commit 'gpio-lw/devel' into spear-for-3.8
This merges dependency branch gpio-lw/devel for SPEAr DT updates.
2012-11-26 15:48:53 +05:30
Viresh Kumar
22595e2815 Merge commit 'pinctrl/devel 4ddb1c2' into spear-for-3.8
This merges dependency branch pinctrl/devel for SPEAr DT updates.
2012-11-26 15:44:02 +05:30
Olof Johansson
0dfeada909 orion dt for v3.8
- ehci-orion dt binding
  - gpio-poweroff
  - use dt regulators
  - move mpp to DT/pinctrl
 
 Depends on:
 
  - orion/boards
 
     - merge conflicts
        - keep all 'select's in Kconfig
        - remove all #includes in board-*.c
 
  - pinctrl/devel up to:
 
     - 06763c7 pinctrl: mvebu: move to its own directory
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Merge tag 'orion_dt_for_3.8' of git://git.infradead.org/users/jcooper/linux into next/dt

From Jason Cooper:
orion dt for v3.8

 - ehci-orion dt binding
 - gpio-poweroff
 - use dt regulators
 - move mpp to DT/pinctrl

Depends on:

 - orion/boards

    - merge conflicts
       - keep all 'select's in Kconfig
       - remove all #includes in board-*.c

 - pinctrl/devel up to:

    - 06763c7 pinctrl: mvebu: move to its own directory

* tag 'orion_dt_for_3.8' of git://git.infradead.org/users/jcooper/linux: (211 commits)
  ARM: Kirkwood: remove kirkwood_ehci_init() from new boards
  ARM: Kirkwood: Add support LED of OpenBlocks A6
  ARM: Kirkwood: Convert to EHCI via DT for OpenBlocks A6
  ARM: kirkwood: Add NAND partiton map for OpenBlocks A6
  ARM: kirkwood: Add support second I2C bus and RTC on OpenBlocks A6
  ARM: kirkwood: Add support DT of second I2C bus
  ARM: kirkwood: Convert mplcec4 board to pinctrl
  ARM: Kirkwood: Convert km_kirkwood to pinctrl
  ARM: Kirkwood: support 98DX412x kirkwoods with pinctrl
  ARM: Kirkwood: Convert IX2-200 to pinctrl.
  ARM: Kirkwood: Convert lsxl boards to pinctrl.
  ARM: Kirkwood: Convert ib62x0 to pinctrl.
  ARM: Kirkwood: Convert GoFlex Net to pinctrl.
  ARM: Kirkwood: Convert dreamplug to pinctrl.
  ARM: Kirkwood: Convert dockstar to pinctrl.
  ARM: Kirkwood: Convert dnskw to pinctrl
  ARM: Kirkwood: Convert iConnect to pinctrl.
  ARM: Kirkwood: Convert TS219 to pinctrl.
  ARM: Kirkwood: Add DTSI files for pinctrl
  ARM: Kirkwood: Make use of mvebu pincltl and gpio drivers
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-11-26 01:09:53 -08:00
Olof Johansson
0d5c2e21d3 orion boards for v3.8
- mach-orion5x/ joins the dark side! (devicetree)
  - Lacie Network Space family
  - Lacie Ethernet Disk mini v2
  - USI TopKick
  - ZyXEL NSA310
  - MPL CEC4
  - Plat'Home OpenBlocks A6 (kirkwood, AX3-4 is armada xp)
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Merge tag 'orion_boards_for_3.8' of git://git.infradead.org/users/jcooper/linux into next/boards

From Jason Cooper:
orion boards for v3.8

 - mach-orion5x/ joins the dark side! (devicetree)
 - Lacie Network Space family
 - Lacie Ethernet Disk mini v2
 - USI TopKick
 - ZyXEL NSA310
 - MPL CEC4
 - Plat'Home OpenBlocks A6 (kirkwood, AX3-4 is armada xp)

* tag 'orion_boards_for_3.8' of git://git.infradead.org/users/jcooper/linux:
  ARM: kirkwood: Add Plat'Home OpenBlocks A6 support
  ARM: Dove: update defconfig
  ARM: Kirkwood: update defconfig for new boards
  arm: orion5x: add DT related options in defconfig
  arm: orion5x: convert 'LaCie Ethernet Disk mini v2' to Device Tree
  arm: orion5x: basic Device Tree support
  arm: orion5x: mechanical defconfig update
  ARM: kirkwood: Add support for the MPL CEC4
  arm: kirkwood: add support for ZyXEL NSA310
  ARM: Kirkwood: new board USI Topkick
  ARM: kirkwood: use gpio-fan DT binding on lsxl
  ARM: Kirkwood: add Netspace boards to defconfig
  ARM: kirkwood: DT board setup for Network Space Mini v2
  ARM: kirkwood: DT board setup for Network Space Lite v2
  ARM: kirkwood: DT board setup for Network Space v2 and parents
  leds: leds-ns2: add device tree binding
  ARM: Kirkwood: Enable the second I2C bus
2012-11-26 01:04:39 -08:00
Olof Johansson
d408c5dcc5 Merge branch 'next/dt-samsung-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/dt
From Kukjin Kim:
Here is second Samsung DT stuff for v3.8.

This is including power domain DT support for exynos and Google ARM
Chromebook, Snow board and exynos4210-origen updates.

* 'next/dt-samsung-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: dts: Use drive strength 3 for SD pins for exynos4
  ARM: dts: Set up power domains for exynos4
  ARM: EXYNOS: Bind devices to power domains using DT
  ARM: EXYNOS: Fix power domain name initialization
  ARM: EXYNOS: Detect power domain state on registration from DT
  ARM: dts: Add vmmc fixed voltage regulator for exynos4210-origen
  ARM: dts: Update sdhci nodes for current bindings for exynos4210-origen
  ARM: dts: Update for pinctrl-samsung driver for exynos4210-origen
  ARM: dts: Split memory sections for exynos4210-origen
  ARM: EXYNOS: add all i2c busses to auxdata for DT
  ARM: dts: Add aliases for i2c controller for exynos4
  ARM: dts: Add board dts file for Snow board (ARM Chromebook)
  ARM: dts: Move the dwmmc aliases from smdk5250 dts to exynos

Add/add conflicts resolved in arch/arm/boot/dts/exynos5250-smdk5250.dts
and arch/arm/mach-exynos/mach-exynos5-dt.c.

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-11-26 00:06:23 -08:00
Olof Johansson
0f327cb11f ARM i.MX SoC updates for v3.8
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Merge tag 'imx-soc-1' of git://git.pengutronix.de/git/imx/linux-2.6 into next/soc

From Sascha Hauer:
ARM i.MX SoC updates for v3.8

* tag 'imx-soc-1' of git://git.pengutronix.de/git/imx/linux-2.6:
  ARM i.MX6: remove gate_mask from pllv3
  ARM i.MX6: Fix ethernet PLL clocks
  ARM i.MX6: rename PLLs according to datasheet
  ARM i.MX6: Add pwm support
  ARM i.MX51: Add pwm support
  ARM i.MX53: Add pwm support
  ARM: mx5: Replace clk_register_clkdev with clock DT lookup

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-11-25 23:35:14 -08:00
Olof Johansson
0f9cb211ba Linux 3.7-rc7
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Merge tag 'v3.7-rc7' into next/cleanup

Merging in mainline back to next/cleanup since it has collected a few
conflicts between fixes going upstream and some of the cleanup patches.
Git doesn't auto-resolve some of them, and they're mostly noise so let's
take care of it locally.

Conflicts are in:
	arch/arm/mach-omap2/omap_hwmod_44xx_data.c
	arch/arm/plat-omap/i2c.c
	drivers/video/omap2/dss/dss.c

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-11-25 21:34:34 -08:00
Benjamin Herrenschmidt
3991782ea3 Merge remote-tracking branch 'kumar/next' into next
Freescale updates from Kumar
2012-11-26 09:25:25 +11:00