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Linus Torvalds 66f03c614c ARM: device tree work
Most of these patches convert code from using static platform data to
 describing the hardware in the device tree. This is only the first
 half of the changes for v3.4 because a lot of patches for this topic
 came in the last week before the merge window.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull "ARM: device tree work" from Arnd Bergmann:
 "Most of these patches convert code from using static platform data to
  describing the hardware in the device tree.  This is only the first
  half of the changes for v3.4 because a lot of patches for this topic
  came in the last week before the merge window.

  Signed-off-by: Arnd Bergmann <arnd@arndb.de>"

Fix up trivial conflicts in arch/arm/mach-vexpress/{Kconfig,core.h}

* tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (86 commits)
  Document: devicetree: add OF documents for arch-mmp
  ARM: dts: append DTS file of pxa168
  ARM: mmp: append OF support on pxa168
  ARM: mmp: enable rtc clk in pxa168
  i2c: pxa: add OF support
  serial: pxa: add OF support
  arm/dts: mt_ventoux: very basic support for TeeJet Mt.Ventoux board
  ARM: OMAP2+: Remove extra ifdefs for board-generic
  ARM: OMAP2+: Fix build error when only ARCH_OMAP2/3 or 4 is selected
  ASoC: DT: Add digital microphone binding to PAZ00 board.
  ARM: dt: Add ARM PMU to tegra*.dtsi
  ARM: at91: at91sam9x5cm/dt: add leds support
  ARM: at91: usb_a9g20/dt: add gpio-keys support
  ARM: at91: at91sam9m10g45ek/dt: add gpio-keys support
  ARM: at91: at91sam9m10g45ek/dt: add leds support
  ARM: at91: usb_a9g20/dt: add leds support
  ARM: at91/pio: add new PIO3 features
  ARM: at91: add sam9_smc.o to at91sam9x5 build
  ARM: at91/tc/clocksource: Add 32 bit variant to Timer Counter
  ARM: at91/tc: add device tree support to atmel_tclib
  ...
2012-03-27 16:47:35 -07:00
Linus Torvalds 34800598b2 ARM: driver specific updates
These are all specific to some driver. They are typically the platform
 side of a change in the drivers directory, such as adding a new driver
 or extending the interface to the platform. In cases where there is no
 maintainer for the driver, or the maintainer prefers to have the
 platform changes in the same branch as the driver changes, the patches
 to the drivers are included as well.
 
 A much smaller set of driver updates that depend on other branches
 getting merged first will be sent later.
 
 The new export of tegra_chip_uid conflicts with other changes in fuse.c.
 In rtc-sa1100.c, the global removal of IRQF_DISABLED conflicts with
 the cleanup of the interrupt handling of that driver.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull "ARM: driver specific updates" from Arnd Bergmann:
 "These are all specific to some driver.  They are typically the
  platform side of a change in the drivers directory, such as adding a
  new driver or extending the interface to the platform.  In cases where
  there is no maintainer for the driver, or the maintainer prefers to
  have the platform changes in the same branch as the driver changes,
  the patches to the drivers are included as well.

  A much smaller set of driver updates that depend on other branches
  getting merged first will be sent later.

  The new export of tegra_chip_uid conflicts with other changes in
  fuse.c.  In rtc-sa1100.c, the global removal of IRQF_DISABLED
  conflicts with the cleanup of the interrupt handling of that driver.

  Signed-off-by: Arnd Bergmann <arnd@arndb.de>"

Fixed up aforementioned trivial conflicts.

* tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (94 commits)
  ARM: SAMSUNG: change the name from s3c-sdhci to exynos4-sdhci
  mmc: sdhci-s3c: add platform data for the second capability
  ARM: SAMSUNG: support the second capability for samsung-soc
  ARM: EXYNOS: add support DMA for EXYNOS4X12 SoC
  ARM: EXYNOS: Add apb_pclk clkdev entry for mdma1
  ARM: EXYNOS: Enable MDMA driver
  regulator: Remove bq24022 regulator driver
  rtc: sa1100: add OF support
  pxa: magician/hx4700: Convert to gpio-regulator from bq24022
  ARM: OMAP3+: SmartReflex: fix error handling
  ARM: OMAP3+: SmartReflex: fix the use of debugfs_create_* API
  ARM: OMAP3+: SmartReflex: micro-optimization for sanity check
  ARM: OMAP3+: SmartReflex: misc cleanups
  ARM: OMAP3+: SmartReflex: move late_initcall() closer to its argument
  ARM: OMAP3+: SmartReflex: add missing platform_set_drvdata()
  ARM: OMAP3+: hwmod: add SmartReflex IRQs
  ARM: OMAP3+: SmartReflex: clear ERRCONFIG_VPBOUNDINTST only on a need
  ARM: OMAP3+: SmartReflex: Fix status masking in ERRCONFIG register
  ARM: OMAP3+: SmartReflex: Add a shutdown hook
  ARM: OMAP3+: SmartReflex Class3: disable errorgen before disable VP
  ...

Conflicts:
	arch/arm/mach-tegra/Makefile
	arch/arm/mach-tegra/fuse.c
	drivers/rtc/rtc-sa1100.c
2012-03-27 16:41:24 -07:00
Linus Torvalds 46b407ca4a remoteproc/rpmsg: new subsystem
This new subsystem provides a common way to talk to secondary processors
 on an SoC, e.g. a DSP, GPU or service processor, using virtio as the
 transport. In the long run, it should replace a few dozen vendor
 specific ways to do the same thing, which all never made it into the
 upstream kernel. There is a broad agreement that rpmsg is the way to
 go here and several vendors have started working on replacing their
 own subsystems.
 
 Two branches each add one virtio protocol number. Fortunately the
 numbers were agreed upon in advance, so there are only context changes.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'rpmsg' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull "remoteproc/rpmsg: new subsystem" from Arnd Bergmann:
 "This new subsystem provides a common way to talk to secondary
  processors on an SoC, e.g.  a DSP, GPU or service processor, using
  virtio as the transport.  In the long run, it should replace a few
  dozen vendor specific ways to do the same thing, which all never made
  it into the upstream kernel.  There is a broad agreement that rpmsg is
  the way to go here and several vendors have started working on
  replacing their own subsystems.

  Two branches each add one virtio protocol number.  Fortunately the
  numbers were agreed upon in advance, so there are only context
  changes.

  Signed-off-by: Arnd Bergmann <arnd@arndb.de>"

Fixed up trivial protocol number conflict due to the mentioned additions
next to each other.

* tag 'rpmsg' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (32 commits)
  remoteproc: cleanup resource table parsing paths
  remoteproc: remove the hardcoded vring alignment
  remoteproc/omap: remove the mbox_callback limitation
  remoteproc: remove the single rpmsg vdev limitation
  remoteproc: safer boot/shutdown order
  remoteproc: remoteproc_rpmsg -> remoteproc_virtio
  remoteproc: resource table overhaul
  rpmsg: fix build warning when dma_addr_t is 64-bit
  rpmsg: fix published buffer length in rpmsg_recv_done
  rpmsg: validate incoming message length before propagating
  rpmsg: fix name service endpoint leak
  remoteproc/omap: two Kconfig fixes
  remoteproc: make sure we're parsing a 32bit firmware
  remoteproc: s/big switch/lookup table/
  remoteproc: bail out if firmware has different endianess
  remoteproc: don't use virtio's weak barriers
  rpmsg: rename virtqueue_add_buf_gfp to virtqueue_add_buf
  rpmsg: depend on EXPERIMENTAL
  remoteproc: depend on EXPERIMENTAL
  rpmsg: add Kconfig menu
  ...

Conflicts:
	include/linux/virtio_ids.h
2012-03-27 16:30:09 -07:00
Linus Torvalds 48d554418d ARM: timer cleanup work
These are split out from the generic soc and driver updates because
 there was a lot of conflicting work by multiple people. Marc Zyngier
 worked on simplifying the "localtimer" interfaces, and some of the
 platforms are touching the same code as they move to device tree
 based booting.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'timer' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull "ARM: timer cleanup work" from Arnd Bergmann:
 "These are split out from the generic soc and driver updates because
  there was a lot of conflicting work by multiple people.  Marc Zyngier
  worked on simplifying the "localtimer" interfaces, and some of the
  platforms are touching the same code as they move to device tree based
  booting.

  Signed-off-by: Arnd Bergmann <arnd@arndb.de>"

* tag 'timer' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (61 commits)
  ARM: tegra: select USB_ULPI if USB is selected
  arm/tegra: pcie: fix return value of function
  ARM: ux500: fix compilation after local timer rework
  ARM: shmobile: remove additional __io() macro use
  ARM: local timers: make the runtime registration interface mandatory
  ARM: local timers: convert MSM to runtime registration interface
  ARM: local timers: convert exynos to runtime registration interface
  ARM: smp_twd: remove old local timer interface
  ARM: imx6q: convert to twd_local_timer_register() interface
  ARM: highbank: convert to twd_local_timer_register() interface
  ARM: ux500: convert to twd_local_timer_register() interface
  ARM: shmobile: convert to twd_local_timer_register() interface
  ARM: tegra: convert to twd_local_timer_register() interface
  ARM: plat-versatile: convert to twd_local_timer_register() interface
  ARM: OMAP4: convert to twd_local_timer_register() interface
  ARM: smp_twd: add device tree support
  ARM: smp_twd: add runtime registration support
  ARM: local timers: introduce a new registration interface
  ARM: smp_twd: make local_timer_stop a symbol instead of a #define
  ARM: mach-shmobile: default to no earlytimer
  ...
2012-03-27 16:06:17 -07:00
Linus Torvalds d61b7a572b ARM: global cleanups
Quite a bit of code gets removed, and some stuff moved around, mostly
 the old samsung s3c24xx stuff. There should be no functional changes
 in this series otherwise. Some cleanups have dependencies on other
 arm-soc branches and will be sent in the second round.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull "ARM: global cleanups" from Arnd Bergmann:
 "Quite a bit of code gets removed, and some stuff moved around, mostly
  the old samsung s3c24xx stuff.  There should be no functional changes
  in this series otherwise.  Some cleanups have dependencies on other
  arm-soc branches and will be sent in the second round.

  Signed-off-by: Arnd Bergmann <arnd@arndb.de>"

Fixed up trivial conflicts mainly due to #include's being changes on
both sides.

* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (121 commits)
  ep93xx: Remove unnecessary includes of ep93xx-regs.h
  ep93xx: Move EP93XX_SYSCON defines to SoC private header
  ep93xx: Move crunch code to mach-ep93xx directory
  ep93xx: Make syscon access functions private to SoC
  ep93xx: Configure GPIO ports in core code
  ep93xx: Move peripheral defines to local SoC header
  ep93xx: Convert the watchdog driver into a platform device.
  ep93xx: Use ioremap for backlight driver
  ep93xx: Move GPIO defines to gpio-ep93xx.h
  ep93xx: Don't use system controller defines in audio drivers
  ep93xx: Move PHYS_BASE defines to local SoC header file
  ARM: EXYNOS: Add clock register addresses for EXYNOS4X12 bus devfreq driver
  ARM: EXYNOS: add clock registers for exynos4x12-cpufreq
  PM / devfreq: update the name of EXYNOS clock registers that were omitted
  PM / devfreq: update the name of EXYNOS clock register
  ARM: EXYNOS: change the prefix S5P_ to EXYNOS4_ for clock
  ARM: EXYNOS: use static declaration on regarding clock
  ARM: EXYNOS: replace clock.c for other new EXYNOS SoCs
  ARM: OMAP2+: Fix build error after merge
  ARM: S3C24XX: remove call to s3c24xx_setup_clocks
  ...
2012-03-27 16:03:32 -07:00
Arnd Bergmann 511f1cb6d4 Merge tag 'regulator-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into next/drivers
The pxa regulator branch removes the bq24022 driver, while a lot of
other regulator drivers got added in the regulator tree. This
resolves the trivial conflicts by merging in the regulator patches
that are already merged into v3.4.

Conflicts:
	drivers/regulator/Kconfig
	drivers/regulator/Makefile

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-03-24 11:29:58 +00:00
Linus Torvalds dae430c6f6 A bunch of fixes/updates for the AMD side of EDAC including
* MCE decoding updates
 * tree-wide EDAC sweep making pci_device_ids __devinitconst
 * Scrub rate API correction
 * two amd64_edac corrections for K8 boxes and sysfs csrow nodes
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Merge tag 'amd64-edac-updates-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp

Pull AMD64 EDAC fixes from Borislav Petkov:
 "A bunch of fixes/updates for the AMD side of EDAC including

   * MCE decoding updates
   * tree-wide EDAC sweep making pci_device_ids __devinitconst
   * Scrub rate API correction
   * two amd64_edac corrections for K8 boxes and sysfs csrow nodes"

* tag 'amd64-edac-updates-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
  MCE, AMD: Constify error tables
  MCE, AMD: Correct bank 5 error signatures
  MCE, AMD: Rework NB MCE signatures
  MCE, AMD: Correct VB data error description
  MCE, AMD: Correct ucode patch buffer description
  MCE, AMD: Correct some MC0 error types
  EDAC: Make pci_device_id tables __devinitconst.
  EDAC: Correct scrub rate API
  amd64_edac: Fix K8 revD and later chip select sizes
  amd64_edac: Fix missing csrows sysfs nodes
2012-03-23 17:59:47 -07:00
Linus Torvalds 0e65ae099c Miscellaneous Itanium patches
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Merge tag 'ia64-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux

Pull miscellaneous Itanium patches from Tony Luck.

The conflicts in arch/ia64/hp/sim/simserial.c were due to patches to
simserial that had alredy been included (with lots of further cleanups)
in the serial tree.

* tag 'ia64-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
  Documentation/kernel-parameters: remove inttest parameter
  [IA64] Fix ISA IRQ trigger model and polarity setting
  [IA64] Fix a couple of warnings for EXPORT_SYMBOL
  [IA64] Check return from device_register() in cx_device_register()
  [IA64] Fix warning from machine_kexec.c
  [IA64] simserial, bail out when request_irq fails
  [IA64] hpsim, initialize chip for assigned irqs
  [IA64] simserial, include some headers
  [IA64] hpsim, fix SAL handling in fw-emu
  [IA64] genirq fixup for SGI/SN
  [IA64] disable interrupts when exiting from ia64_mca_cmc_int_handler()
2012-03-23 17:19:37 -07:00
Linus Torvalds 8e3ade251b Merge branch 'akpm' (Andrew's patch-bomb)
Merge second batch of patches from Andrew Morton:
 - various misc things
 - core kernel changes to prctl, exit, exec, init, etc.
 - kernel/watchdog.c updates
 - get_maintainer
 - MAINTAINERS
 - the backlight driver queue
 - core bitops code cleanups
 - the led driver queue
 - some core prio_tree work
 - checkpatch udpates
 - largeish crc32 update
 - a new poll() feature for the v4l guys
 - the rtc driver queue
 - fatfs
 - ptrace
 - signals
 - kmod/usermodehelper updates
 - coredump
 - procfs updates

* emailed from Andrew Morton <akpm@linux-foundation.org>: (141 commits)
  seq_file: add seq_set_overflow(), seq_overflow()
  proc-ns: use d_set_d_op() API to set dentry ops in proc_ns_instantiate().
  procfs: speed up /proc/pid/stat, statm
  procfs: add num_to_str() to speed up /proc/stat
  proc: speed up /proc/stat handling
  fs/proc/kcore.c: make get_sparsemem_vmemmap_info() static
  coredump: add VM_NODUMP, MADV_NODUMP, MADV_CLEAR_NODUMP
  coredump: remove VM_ALWAYSDUMP flag
  kmod: make __request_module() killable
  kmod: introduce call_modprobe() helper
  usermodehelper: ____call_usermodehelper() doesn't need do_exit()
  usermodehelper: kill umh_wait, renumber UMH_* constants
  usermodehelper: implement UMH_KILLABLE
  usermodehelper: introduce umh_complete(sub_info)
  usermodehelper: use UMH_WAIT_PROC consistently
  signal: zap_pid_ns_processes: s/SEND_SIG_NOINFO/SEND_SIG_FORCED/
  signal: oom_kill_task: use SEND_SIG_FORCED instead of force_sig()
  signal: cosmetic, s/from_ancestor_ns/force/ in prepare_signal() paths
  signal: give SEND_SIG_FORCED more power to beat SIGNAL_UNKILLABLE
  Hexagon: use set_current_blocked() and block_sigmask()
  ...
2012-03-23 16:59:10 -07:00
Bob Pearson fbedceb100 crc32: move long comment about crc32 fundamentals to Documentation/
Move a long comment from lib/crc32.c to Documentation/crc32.txt where it
will more likely get read.

Edited the resulting document to add an explanation of the slicing-by-n
algorithm.

[djwong@us.ibm.com: minor changelog tweaks]
[akpm@linux-foundation.org: fix typo, per George]
Signed-off-by: George Spelvin <linux@horizon.com>
Signed-off-by: Bob Pearson <rpearson@systemfabricworks.com>
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-23 16:58:37 -07:00
Kim, Milo 011af7bc7c drivers/leds/leds-lp5521.c: support led pattern data
The lp5521 has autonomous operation mode without external control.
Using lp5521_platform_data, various led patterns can be configurable.
For supporting this feature, new functions and device attribute are
added.

Structure of lp5521_led_pattern: 3 channels are supported - red, green
and blue.  Pattern(s) of each channel and numbers of pattern(s) are
defined in the pla= tform data.  Pattern data are hexa codes which
include pattern commands such like set pwm, wait, ramp up/down, branch
and so on.

Pattern mode functions:
 * lp5521_clear_program_memory
	Before running new led pattern, program memory should be cleared.
 * lp5521_write_program_memory
	Pattern data updated in the program memory via the i2c.
 * lp5521_get_pattern
	Get pattern from predefined in the platform data.
 * lp5521_run_led_pattern
	Stop current pattern or run new pattern.
	Transition time is required between different operation mode.

Device attribute - 'led_pattern': To load specific led pattern, new device
attribute is added.

When the lp5521 driver is unloaded, stop current led pattern mode.

Documentation updated : description about how to define the led patterns
and example.

[akpm@linux-foundation.org: checkpatch fixes]
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Arun MURTHY <arun.murthy@stericsson.com>
Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-23 16:58:34 -07:00
Kim, Milo 3b49aacd0e drivers/leds/leds-lp5521.c: add 'update_config' in the lp5521_platform_data
The value of CONFIG register(Addr 08h) is configurable.  For supporting
this feature, update_config is added in the platform data.  If
'update_config' is not defined, the default value is 'LP5521_PWRSAVE_EN |
LP5521_CP_MODE_AUTO | LP5521_R_TO_BATT'.

To define CONFIG register in the platform data, the bit definitions were
mo= ved to the header file.

Documentation updated : description about 'update_config' and example.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Arun MURTHY <arun.murthy@stericsson.com>
Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-23 16:58:34 -07:00
Kim, Milo 5ae4e8a77d drivers/leds/leds-lp5521.c: add 'name' in the lp5521_led_config
The name of each led channel can be configurable.  For the compatibility,
the name is set to default value(xx:channelN) when 'name' is not defined.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Arun MURTHY <arun.murthy@stericsson.com>
Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-23 16:58:34 -07:00
Kim, Milo 7be865ab86 backlight: new backlight driver for LP855x devices
THis driver supports TI LP8550/LP8551/LP8552/LP8553/LP8556 backlight
devices.

The brightness can be controlled by the I2C or PWM input.  The lp855x
driver provides both modes.  For the PWM control, pwm-specific functions
can be defined in the platform data.  And some information can be read
via the sysfs(lp855x device attributes).

For details, please refer to Documentation/backlight/lp855x-driver.txt.

[axel.lin@gmail.com: add missing mutex_unlock in lp855x_read_byte() error path]
[axel.lin@gmail.com: check platform data in lp855x_probe()]
[axel.lin@gmail.com: small cleanups]
[dan.carpenter@oracle.com: silence a compiler warning]
[axel.lin@gmail.com: use id->driver_data to differentiate lp855x chips]
[akpm@linux-foundation.org: simplify boolean return expression]
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-23 16:58:33 -07:00
Linus Torvalds e317234975 Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
 - V4L2 API additions to better support JPEG compression control
 - media API additions to properly support MPEG decoders
 - V4L2 API additions for image crop/scaling
 - a few other V4L2 API DocBook fixes/improvements
 - two new DVB frontend drivers: m88rs2000 and rtl2830
 - two new DVB drivers: az6007 and rtl28xxu
 - a framework for ISA drivers, that removed lots of common code found
   at the ISA radio drivers
 - a new FM transmitter driver (radio-keene)
 - a GPIO-based IR receiver driver
 - a new sensor driver: mt9m032
 - some new video drivers: adv7183, blackfin, mx2_emmaprp, sii9234_drv,
   vs6624
 - several new board additions, driver fixes, improvements and cleanups.

* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (295 commits)
  [media] update CARDLIST.em28xx
  [media] partially reverts changeset fa5527c
  [media] stb0899: fix the limits for signal strength values
  [media] em28xx: support for 2304:0242 PCTV QuatroStick (510e)
  [media] em28xx: support for 2013:0251 PCTV QuatroStick nano (520e)
  [media] -EINVAL -> -ENOTTY
  [media] gspca - sn9c20x: Cleanup source
  [media] gspca - sn9c20x: Simplify register write for capture start/stop
  [media] gspca - sn9c20x: Add automatic JPEG compression mechanism
  [media] gspca - sn9c20x: Greater delay in case of sensor no response
  [media] gspca - sn9c20x: Optimize the code of write sequences
  [media] gspca - sn9c20x: Add the JPEG compression quality control
  [media] gspca - sn9c20x: Add a delay after Omnivision sensor reset
  [media] gspca - sn9c20x: Propagate USB errors to higher level
  [media] gspca - sn9c20x: Use the new video control mechanism
  [media] gspca - sn9c20x: Fix loss of frame start
  [media] gspca - zc3xx: Lack of register 08 value for sensor cs2102k
  [media] gspca - ov534_9: Add brightness to OmniVision 5621 sensor
  [media] gspca - zc3xx: Add V4L2_CID_JPEG_COMPRESSION_QUALITY control support
  [media] pvrusb2: fix 7MHz & 8MHz DVB-T tuner support for HVR1900 rev D1F5
  ...
2012-03-23 14:39:09 -07:00
Linus Torvalds f37ab0fba2 Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
Pull hwmon updates from Jean Delvare:
 "We have support for the MCP3021, MC13892 and GMT G781, automatic fan
  speed control for LM63/LM64 chips, and a few clean-ups."

* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
  hwmon: Add MCP3021 ADC driver
  hwmon: (mc13783-adc) Add support for the MC13892 PMIC
  hwmon: (mc13783-adc) Remove space before tab
  hwmon: (lm63) Let the user adjust the lookup table
  hwmon: (lm63) Make fan speed control strategy changeable
  hwmon: (lm63) Reorganize the code
  hwmon: (lm90) Restore original configuration if probe function fails
  hwmon: (lm90) Add support for GMT G781
  hwmon: (lm90) Fix multi-line comments
  hwmon: (w83795) Fix multi-line comments
  hwmon: (w83795) Unconditionally support manual fan speed control
  hwmon: (fam15h_power) Increase output resolution
  hwmon: (fam15h_power) Correct sign extension of running_avg_capture
2012-03-23 14:37:52 -07:00
Linus Torvalds fc2bb8d1cd Merge branch 'i2c-embedded/for-3.4' of git://git.pengutronix.de/git/wsa/linux
Pull i2c embedded updates from Wolfram Sang:
 "Nothing special from i2c-embedded for this merge window.  Two new
  drivers, minor feature additions, bugfixes, cleanups.

  All patches have been in linux-next for some time, too."

* 'i2c-embedded/for-3.4' of git://git.pengutronix.de/git/wsa/linux:
  i2c-eg20t: Remove write-only variables
  i2c-eg20t: Rework pch_i2c_wait_for_bus_idle to reduce wait time
  i2c-s3c2410: Add stub runtime power management
  i2c-s3c2410: Convert to devm_kzalloc()
  i2c: add CSR SiRFprimaII on-chip I2C controllers driver
  i2c: tegra: Remove unnecessary write to INT_STATUS
  i2c: imx: fix imx driver to work though signal is pending
  i2c: designware: dw_i2c_init_driver as subsys initcall
  misc: at24: describe platform_data with kernel_doc
  i2c: Move I2C_EG20T option to the right place.
  i2c: Support for Netlogic XLR/XLS I2C controller.
  i2c: mpc: Add support for SMBUS_READ_BLOCK_DATA
  i2c: versatile: Add Device Tree support
2012-03-23 14:12:04 -07:00
Linus Torvalds 475c77edf8 Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci
Pull PCI changes (including maintainer change) from Jesse Barnes:
 "This pull has some good cleanups from Bjorn and Yinghai, as well as
  some more code from Yinghai to better handle resource re-allocation
  when enabled.

  There's also a new initcall_debug feature from Arjan which will print
  out quirk timing information to help identify slow quirks for fixing
  or refinement (Yinghai sent in a few patches to do just that once the
  new debug code landed).

  Beyond that, I'm handing off PCI maintainership to Bjorn Helgaas.
  He's been a core PCI and Linux contributor for some time now, and has
  kindly volunteered to take over.  I just don't feel I have the time
  for PCI review and work that it deserves lately (I've taken on some
  other projects), and haven't been as responsive lately as I'd like, so
  I approached Bjorn asking if he'd like to manage things.  He's going
  to give it a try, and I'm confident he'll do at least as well as I
  have in keeping the tree managed, patches flowing, and keeping things
  stable."

Fix up some fairly trivial conflicts due to other cleanups (mips device
resource fixup cleanups clashing with list handling cleanup, ppc iseries
removal clashing with pci_probe_only cleanup etc)

* 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci: (112 commits)
  PCI: Bjorn gets PCI hotplug too
  PCI: hand PCI maintenance over to Bjorn Helgaas
  unicore32/PCI: move <asm-generic/pci-bridge.h> include to asm/pci.h
  sparc/PCI: convert devtree and arch-probed bus addresses to resource
  powerpc/PCI: allow reallocation on PA Semi
  powerpc/PCI: convert devtree bus addresses to resource
  powerpc/PCI: compute I/O space bus-to-resource offset consistently
  arm/PCI: don't export pci_flags
  PCI: fix bridge I/O window bus-to-resource conversion
  x86/PCI: add spinlock held check to 'pcibios_fwaddrmap_lookup()'
  PCI / PCIe: Introduce command line option to disable ARI
  PCI: make acpihp use __pci_remove_bus_device instead
  PCI: export __pci_remove_bus_device
  PCI: Rename pci_remove_behind_bridge to pci_stop_and_remove_behind_bridge
  PCI: Rename pci_remove_bus_device to pci_stop_and_remove_bus_device
  PCI: print out PCI device info along with duration
  PCI: Move "pci reassigndev resource alignment" out of quirks.c
  PCI: Use class for quirk for usb host controller fixup
  PCI: Use class for quirk for ti816x class fixup
  PCI: Use class for quirk for intel e100 interrupt fixup
  ...
2012-03-23 14:02:12 -07:00
Linus Torvalds a20ae85aba Fixes:
- Fix KDB keyboard repeat scan codes and leaked keyboard events
 - Fix kernel crash with kdb_printf() for users who compile new kdb_printf()'s
   in early code
 - Return all segment registers to gdb on x86_64
 Features:
 - KDB/KGDB hook the reboot notifier and end user can control if it stops,
   detaches or does nothing (updated docs as well)
 - Notify users who use CONFIG_DEBUG_RODATA to use hw breakpoints
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Merge tag 'for_linus-3.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/kgdb

Pull KGDB/KDB updates from Jason Wessel:
 "Fixes:
   - Fix KDB keyboard repeat scan codes and leaked keyboard events
   - Fix kernel crash with kdb_printf() for users who compile new
     kdb_printf()'s in early code
   - Return all segment registers to gdb on x86_64

  Features:
   - KDB/KGDB hook the reboot notifier and end user can control if it
     stops, detaches or does nothing (updated docs as well)
   - Notify users who use CONFIG_DEBUG_RODATA to use hw breakpoints"

* tag 'for_linus-3.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/kgdb:
  kdb: Add message about CONFIG_DEBUG_RODATA on failure to install breakpoint
  kdb: Avoid using dbg_io_ops until it is initialized
  kgdb,debug_core: add the ability to control the reboot notifier
  KDB: Fix usability issues relating to the 'enter' key.
  kgdb,debug-core,gdbstub: Hook the reboot notifier for debugger detach
  kgdb: Respect that flush op is optional
  kgdb: x86: Return all segment registers also in 64-bit mode
2012-03-23 09:29:44 -07:00
Linus Torvalds f63d395d47 NFS client updates for Linux 3.4
New features include:
 - Add NFS client support for containers.
   This should enable most of the necessary functionality, including
   lockd support, and support for rpc.statd, NFSv4 idmapper and
   RPCSEC_GSS upcalls into the correct network namespace from
   which the mount system call was issued.
 - NFSv4 idmapper scalability improvements
   Base the idmapper cache on the keyring interface to allow concurrent
   access to idmapper entries. Start the process of migrating users from
   the single-threaded daemon-based approach to the multi-threaded
   request-key based approach.
 - NFSv4.1 implementation id.
   Allows the NFSv4.1 client and server to mutually identify each other
   for logging and debugging purposes.
 - Support the 'vers=4.1' mount option for mounting NFSv4.1 instead of
   having to use the more counterintuitive 'vers=4,minorversion=1'.
 - SUNRPC tracepoints.
   Start the process of adding tracepoints in order to improve debugging
   of the RPC layer.
 - pNFS object layout support for autologin.
 
 Important bugfixes include:
 - Fix a bug in rpc_wake_up/rpc_wake_up_status that caused them to fail
   to wake up all tasks when applied to priority waitqueues.
 - Ensure that we handle read delegations correctly, when we try to
   truncate a file.
 - A number of fixes for NFSv4 state manager loops (mostly to do with
   delegation recovery).
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Merge tag 'nfs-for-3.4-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client updates for Linux 3.4 from Trond Myklebust:
 "New features include:
   - Add NFS client support for containers.

     This should enable most of the necessary functionality, including
     lockd support, and support for rpc.statd, NFSv4 idmapper and
     RPCSEC_GSS upcalls into the correct network namespace from which
     the mount system call was issued.

   - NFSv4 idmapper scalability improvements

     Base the idmapper cache on the keyring interface to allow
     concurrent access to idmapper entries.  Start the process of
     migrating users from the single-threaded daemon-based approach to
     the multi-threaded request-key based approach.

   - NFSv4.1 implementation id.

     Allows the NFSv4.1 client and server to mutually identify each
     other for logging and debugging purposes.

   - Support the 'vers=4.1' mount option for mounting NFSv4.1 instead of
     having to use the more counterintuitive 'vers=4,minorversion=1'.

   - SUNRPC tracepoints.

     Start the process of adding tracepoints in order to improve
     debugging of the RPC layer.

   - pNFS object layout support for autologin.

  Important bugfixes include:

   - Fix a bug in rpc_wake_up/rpc_wake_up_status that caused them to
     fail to wake up all tasks when applied to priority waitqueues.

   - Ensure that we handle read delegations correctly, when we try to
     truncate a file.

   - A number of fixes for NFSv4 state manager loops (mostly to do with
     delegation recovery)."

* tag 'nfs-for-3.4-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (224 commits)
  NFS: fix sb->s_id in nfs debug prints
  xprtrdma: Remove assumption that each segment is <= PAGE_SIZE
  xprtrdma: The transport should not bug-check when a dup reply is received
  pnfs-obj: autologin: Add support for protocol autologin
  NFS: Remove nfs4_setup_sequence from generic rename code
  NFS: Remove nfs4_setup_sequence from generic unlink code
  NFS: Remove nfs4_setup_sequence from generic read code
  NFS: Remove nfs4_setup_sequence from generic write code
  NFS: Fix more NFS debug related build warnings
  SUNRPC/LOCKD: Fix build warnings when CONFIG_SUNRPC_DEBUG is undefined
  nfs: non void functions must return a value
  SUNRPC: Kill compiler warning when RPC_DEBUG is unset
  SUNRPC/NFS: Add Kbuild dependencies for NFS_DEBUG/RPC_DEBUG
  NFS: Use cond_resched_lock() to reduce latencies in the commit scans
  NFSv4: It is not safe to dereference lsp->ls_state in release_lockowner
  NFS: ncommit count is being double decremented
  SUNRPC: We must not use list_for_each_entry_safe() in rpc_wake_up()
  Try using machine credentials for RENEW calls
  NFSv4.1: Fix a few issues in filelayout_commit_pagelist
  NFSv4.1: Clean ups and bugfixes for the pNFS read/writeback/commit code
  ...
2012-03-23 08:53:47 -07:00
Xie Xiaobo 5510e62a66 hwmon: Add MCP3021 ADC driver
Add I2C driver for MCP3021 that is an ADC chip from Microchip.
The MCP3021 is a successive approximation A/D converter (ADC)
with 10-bit resolution.
The driver export the value of Vin to sysfs, the voltage unit is
mV. Through the sysfs interface, lm-sensors tool can also display
Vin voltage.

Signed-off-by: Mingkai Hu <Mingkai.hu@freescale.com>
Signed-off-by: Xie Xiaobo <X.Xie@freescale.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
2012-03-23 10:02:20 +01:00
Uwe Kleine-Koenig 0c2732152a hwmon: (mc13783-adc) Add support for the MC13892 PMIC
Based on a patch by David Jander that mostly did s/mc13783/mc13xxx/ .

Additionally use dev_get_drvdata instead of to_platform_device +
platform_get_drvdata in mc13783_adc_read (spotted by Jean Delvare).

Cc: David Jander <david.jander@protonic.nl>
Signed-off-by: Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
2012-03-23 10:02:19 +01:00
Guenter Roeck ae544f64cc hwmon: (lm90) Add support for GMT G781
GMT G781 is a ADM1032-compatible temperature sensor chip.
Add support to the LM90 driver.

Cc: Mike Gorchak <lestat@i.com.ua>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
2012-03-23 10:02:18 +01:00
Linus Torvalds 7fc86a7908 Pinctrl updates for v3.4:
- Switches the PXA 168, 910 and MMP over to use pinctrl
 - Locking revamped
 - Massive refactorings...
 - Reform the driver API to use multiple states
 - Support pin config in the mapping tables
 - Pinctrl drivers for the nVidia Tegra series
 - Generic pin config support lib for simple pin controllers
 - Implement pin config for the U300
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Merge tag 'pinctrl-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pinctrl updates for v3.4 from Linus Walleij (*):
 - Switches the PXA 168, 910 and MMP over to use pinctrl
 - Locking revamped
 - Massive refactorings...
 - Reform the driver API to use multiple states
 - Support pin config in the mapping tables
 - Pinctrl drivers for the nVidia Tegra series
 - Generic pin config support lib for simple pin controllers
 - Implement pin config for the U300

* tag 'pinctrl-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (48 commits)
  ARM: u300: configure some pins as an example
  pinctrl: support pinconfig on the U300
  pinctrl/coh901: use generic pinconf enums and parameters
  pinctrl: introduce generic pin config
  pinctrl: fix error path in pinconf_map_to_setting()
  pinctrl: allow concurrent gpio and mux function ownership of pins
  pinctrl: forward-declare struct device
  pinctrl: split pincontrol states into its own header
  pinctrl: include machine header to core.h
  ARM: tegra: Select PINCTRL Kconfig variables
  pinctrl: add a driver for NVIDIA Tegra
  pinctrl: Show selected function and group in pinmux-pins debugfs
  pinctrl: enhance mapping table to support pin config operations
  pinctrl: API changes to support multiple states per device
  pinctrl: add usecount to pins for muxing
  pinctrl: refactor struct pinctrl handling in core.c vs pinmux.c
  pinctrl: fix and simplify locking
  pinctrl: fix the pin descriptor kerneldoc
  pinctrl: assume map table entries can't have a NULL name field
  pinctrl: introduce PINCTRL_STATE_DEFAULT, define hogs as that state
  ...

(*) What is it with all these Linuses these days? There's a Linus at
    google too.  Some day I will get myself my own broadsword, and run
    around screaming "There can be only one".

    I used to be _special_ dammit. Snif.
2012-03-22 20:25:50 -07:00
Linus Torvalds 7bfe0e66d5 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input subsystem updates from Dmitry Torokhov:
 "- we finally merged driver for USB version of Synaptics touchpads
    (I guess most commonly found in IBM/Lenovo keyboard/touchpad combo);

   - a bunch of new drivers for embedded platforms (Cypress
     touchscreens, DA9052 OnKey, MAX8997-haptic, Ilitek ILI210x
     touchscreens, TI touchscreen);

   - input core allows clients to specify desired clock source for
     timestamps on input events (EVIOCSCLOCKID ioctl);

   - input core allows querying state of all MT slots for given event
     code via EVIOCGMTSLOTS ioctl;

   - various driver fixes and improvements."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (45 commits)
  Input: ili210x - add support for Ilitek ILI210x based touchscreens
  Input: altera_ps2 - use of_match_ptr()
  Input: synaptics_usb - switch to module_usb_driver()
  Input: convert I2C drivers to use module_i2c_driver()
  Input: convert SPI drivers to use module_spi_driver()
  Input: omap4-keypad - move platform_data to <linux/platform_data>
  Input: kxtj9 - who_am_i check value and initial data rate fixes
  Input: add driver support for MAX8997-haptic
  Input: tegra-kbc - revise device tree support
  Input: of_keymap - add device tree bindings for simple key matrices
  Input: wacom - fix physical size calculation for 3rd-gen Bamboo
  Input: twl4030-vibra - really switch from #if to #ifdef
  Input: hp680_ts_input - ensure arguments to request_irq and free_irq are compatible
  Input: max8925_onkey - avoid accessing input device too early
  Input: max8925_onkey - allow to be used as a wakeup source
  Input: atmel-wm97xx - convert to dev_pm_ops
  Input: atmel-wm97xx - set driver owner
  Input: add cyttsp touchscreen maintainer entry
  Input: cyttsp - remove useless checks in cyttsp_probe()
  Input: usbtouchscreen - add support for Data Modul EasyTouch TP 72037
  ...
2012-03-22 20:20:18 -07:00
Linus Torvalds aab008db80 Cleanups: rename of flush to invalidate, moving reporting of statistics
into debugfs, and use __read_mostly as neccessary.
 Also add a MAINTAINER file for cleancache API files.
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Merge tag 'stable/for-linus-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/mm

Pull cleancache changes from Konrad Rzeszutek Wilk:
 "This has some patches for the cleancache API that should have been
  submitted a _long_ time ago.  They are basically cleanups:

   - rename of flush to invalidate

   - moving reporting of statistics into debugfs

   - use __read_mostly as necessary.

  Oh, and also the MAINTAINERS file change.  The files (except the
  MAINTAINERS file) have been in #linux-next for months now.  The late
  addition of MAINTAINERS file is a brain-fart on my side - didn't
  realize I needed that just until I was typing this up - and I based
  that patch on v3.3 - so the tree is on top of v3.3."

* tag 'stable/for-linus-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/mm:
  MAINTAINERS: Adding cleancache API to the list.
  mm: cleancache: Use __read_mostly as appropiate.
  mm: cleancache: report statistics via debugfs instead of sysfs.
  mm: zcache/tmem/cleancache: s/flush/invalidate/
  mm: cleancache: s/flush/invalidate/
2012-03-22 19:52:47 -07:00
Sebastian Andrzej Siewior b86c4782ab Documentation/kernel-parameters: remove inttest parameter
According to grep I see no users:
| #git grep inttest
| Documentation/kernel-parameters.txt:    inttest=        [IA-64]

The parameters itself has no description what it supposed to do.
According to the history tree, it was introduced in "[PATCH] Updated
Documentation/kernel-parameters.txt" ("10414c6ddb"). By that time that
parameter had an user. It was removed later by "[PATCH] ia64: SGI SN
update" ("c6bacd5010ec") by Jesse Barnes himself.

Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: Tony Luck <tony.luck@intel.com>
2012-03-22 16:07:18 -07:00
Linus Torvalds be53bfdb80 Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
Pull drm main changes from Dave Airlie:
 "This is the main drm pull request, I'm probably going to send two more
  smaller ones, will explain below.

  This contains a patch that is also in the fbdev tree, but it should be
  the same patch, it added an API for hot unplugging framebuffer
  devices, and I need that API for a new driver.

  It also contains some changes to the i2c tree which Jean has acked,
  and one change to moorestown platform stuff in x86.

  Highlights:
   - new drivers: UDL driver for USB displaylink devices, kms only,
     should support correct hotplug operations.
   - core: i2c speedups + better hotplug support, EDID overriding via
     firmware interface - allows user to load a firmware for a broken
     monitor/kvm from userspace, it even has documentation for it.
   - exynos: new HDMI audio + hdmi 1.4 + virtual output driver
   - gma500: code cleanup
   - radeon: cleanups, CS optimisations, streamout support and pageflip
     fix
   - nouveau: NVD9 displayport support + more reclocking work
   - i915: re-enabling GMBUS, finish gpu patch (might help hibernation
     who knows), missed irq fixes, stencil tiling fixes, interlaced
     support, aliasesd PPGTT support for SNB/IVB, swizzling for SNB/IVB,
     semaphore fixes

  As well as the usual bunch of cleanups and fixes all over the place.

  I've got two things I'd like to merge a bit later:

   a) AMD support for all their new radeonhd 7000 series GPU and APUs.
      AMD dropped this a bit late due to insane internal review
      processes, (please AMD just follow Intel and let open source guys
      ship stuff early) however I don't want to penalise people who own
      this hardware (since its been on sale for 3-4 months and GPU hw
      doesn't exactly have a lifetime in years) and consign them to
      using closed drivers for longer than necessary.  The changes are
      well contained and just plug into the driver new gpu functionality
      so they should be fairly regression proof.  I just want to give
      them a bit of a run on the hw AMD kindly sent me.

   b) drm prime/dma-buf interface code.  This is just infrastructure
      code to expose the dma-buf stuff to drm drivers and to userspace.
      I'm not planning on pushing any driver support in this cycle
      (except maybe exynos), but I'd like to get the infrastructure code
      in so for the next cycle I can start getting the driver support
      into the individual drivers.  We have started driver support for
      i915, nouveau and udl along with I think exynos and omap in
      staging.  However this code relies on the dma-buf tree being
      pulled into your tree first since it needs the latest interfaces
      from that tree.  I'll push to get that tree sent asap.

  (oh and any warnings you see in i915 are gcc's fault from what anyone
  can see)."

Fix up trivial conflicts in arch/x86/platform/mrst/mrst.c due to the new
msic_thermal_platform_data() thermal function being added next to the
tc35876x_platform_data() i2c device function..

* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (326 commits)
  drm/i915: use DDC_ADDR instead of hard-coding it
  drm/radeon: use DDC_ADDR instead of hard-coding it
  drm: remove unneeded redefinition of DDC_ADDR
  drm/exynos: added virtual display driver.
  drm: allow loading an EDID as firmware to override broken monitor
  drm/exynos: enable hdmi audio feature
  drm/exynos: add default pixel format for plane
  drm/exynos: cleanup exynos_hdmi.h
  drm/exynos: add is_local member in exynos_drm_subdrv struct
  drm/exynos: add subdrv open/close functions
  drm/exynos: remove module of exynos drm subdrv
  drm/exynos: release pending pageflip events when closed
  drm/exynos: added new funtion to get/put dma address.
  drm/exynos: update gem and buffer framework.
  drm/exynos: added mode_fixup feature and code clean.
  drm/exynos: add HDMI version 1.4 support
  drm/exynos: remove exynos_mixer.h
  gma500: Fix mmap frambuffer
  drm/radeon: Drop radeon_gem_object_(un)pin.
  drm/radeon: Restrict offset for legacy display engine.
  ...
2012-03-22 13:08:22 -07:00
Jason Wessel bec4d62ead kgdb,debug_core: add the ability to control the reboot notifier
Sometimes it is desirable to stop the kernel debugger before allowing
a system to reboot either with kdb or kgdb.  This patch adds the
ability to turn the reboot notifier on and off or enter the debugger
and stop kernel execution before rebooting.

It is possible to change the setting after booting the kernel with the
following:

echo 1 > /sys/module/debug_core/parameters/kgdbreboot

It is also possible to change this setting using kdb / kgdb to
manipulate the variable directly.

Using KDB:
   mm kgdbreboot 1

Using gdb:
   set kgdbreboot=1

Reported-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
2012-03-22 15:07:16 -05:00
Linus Torvalds b2094ef840 Updates of sound stuff for 3.4-rc1
Here is the first big update chunk of sound stuff for 3.4-rc1.
 
 In the common sound infrastructure, there are a few changes for
 dynamic PCM support (used in ASoC) and a few clean-ups.  Majority of
 changes are found, as usual, in HD-audio and ASoC.
 
 Some highlights of HD-audio changes:
 - All the long-standing static quirk codes for Realtek codec were
 finally removed by fixing and extending the Realtek auto-parser.
 
 - The mute-LED control is standardized over all HD-audio codec
   drivers using the extended vmaster hook.
 
 - The vmaster slave mixer elements are initialized to 0dB as default
   so that the user won't be annoyed by the silent output after
   updates, e.g. due to the additions of new elements.
 
 - Other many fix-ups for the misc HD-audio devices.
 
 In the ASoC side, this is a very active release, including a quite a
 few framework enhancements.  Some highlights:
 
 - Support for widgets not associated with a CODEC, an important part
   of the dynamic PCM framework.
 
 - A library factoring out the common code shared by dmaengine based
   DMA drivers contributed by Lars-Peter Clausen.  This will save a lot
   of code and make it much easier to deploy enhancements to
   dmaengine.
 
 - Support for binary controls, used for providing runtime
   configuration of algorithm coefficients.
 
 - A new DAPM widget type for regulator supplies allowing drivers for
   devices that can power down unused supplies while active to do
   without any per-driver code.
 
 - DAPM widgets for DAIs, initially giving a speed boost for playback
   startup and shutdown and also the basis for CODEC<->CODEC DAI link
   support.
 
 - Support for specifying the number of significant bits on audio
   interfaces, useful for allowing applications to know how much effort
   to put into generating data for a larger sample format.
 
 - Conversion of the FSI driver used on some SH processors to
   DMAEngine.
 
 - Conversion of EP93xx drivers to DMAEngine.
 
 - New CODEC drivers for Maxim MAX9768 and Wolfson Microelectronics
   WM2200.
 
 - Move audmux driver from arc/arm to sound/soc
 
 - McBSP move from arch/ to sound/ and updates
 
 Also, a few small updates and fixes for other drivers like au88x0,
 ymfpci, USB 6fire, USB usx2yaudio are included.
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Merge tag 'sound-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull updates of sound stuff from Takashi Iwai:
 "Here is the first big update chunk of sound stuff for 3.4-rc1.

  In the common sound infrastructure, there are a few changes for
  dynamic PCM support (used in ASoC) and a few clean-ups.  Majority of
  changes are found, as usual, in HD-audio and ASoC.

  Some highlights of HD-audio changes:

   - All the long-standing static quirk codes for Realtek codec were
     finally removed by fixing and extending the Realtek auto-parser.

   - The mute-LED control is standardized over all HD-audio codec
     drivers using the extended vmaster hook.

   - The vmaster slave mixer elements are initialized to 0dB as default
     so that the user won't be annoyed by the silent output after
     updates, e.g.  due to the additions of new elements.

   - Other many fix-ups for the misc HD-audio devices.

  In the ASoC side, this is a very active release, including a quite a
  few framework enhancements.  Some highlights:

   - Support for widgets not associated with a CODEC, an important part
     of the dynamic PCM framework.

   - A library factoring out the common code shared by dmaengine based
     DMA drivers contributed by Lars-Peter Clausen.  This will save a
     lot of code and make it much easier to deploy enhancements to
     dmaengine.

   - Support for binary controls, used for providing runtime
     configuration of algorithm coefficients.

   - A new DAPM widget type for regulator supplies allowing drivers for
     devices that can power down unused supplies while active to do
     without any per-driver code.

   - DAPM widgets for DAIs, initially giving a speed boost for playback
     startup and shutdown and also the basis for CODEC<->CODEC DAI link
     support.

   - Support for specifying the number of significant bits on audio
     interfaces, useful for allowing applications to know how much
     effort to put into generating data for a larger sample format.

   - Conversion of the FSI driver used on some SH processors to
     DMAEngine.

   - Conversion of EP93xx drivers to DMAEngine.

   - New CODEC drivers for Maxim MAX9768 and Wolfson Microelectronics
     WM2200.

   - Move audmux driver from arc/arm to sound/soc

   - McBSP move from arch/ to sound/ and updates

  Also, a few small updates and fixes for other drivers like au88x0,
  ymfpci, USB 6fire, USB usx2yaudio are included."

* tag 'sound-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (446 commits)
  ASoC: wm8994: Provide VMID mode control and fix default sequence
  ASoC: wm8994: Add missing break in resume
  ASoC: wm_hubs: Don't actively manage LINEOUT_VMID_BUF
  ASoC: pxa-ssp: atomically set stream active masks
  ASoC: fsl: p1022ds: tell the WM8776 codec driver that it's the master
  ASoC: Samsung: Added to support mono recording
  ALSA: hda - Fix build with CONFIG_PM=n
  ALSA: au88x0 - Avoid possible Oops at unbinding
  ALSA: usb-audio - Fix build error by consitification of rate list
  ASoC: core: Fix obscure leak of runtime array
  ALSA: pcm - Avoid GFP_ATOMIC in snd_pcm_link()
  ALSA: pcm: Constify the list in snd_pcm_hw_constraint_list
  ASoC: wm8996: Add 44.1kHz support
  ALSA: hda - Fix build of patch_sigmatel.c without CONFIG_SND_HDA_POWER_SAVE
  ASoC: mx27vis-aic32x4: Convert it to platform driver
  ALSA: hda - fix printing of high HDMI sample rates
  ALSA: ymfpci - Fix legacy registers on S3/S4 resume
  ALSA: control - Fixe a trailing white space error
  ALSA: hda - Add expose_enum_ctl flag to snd_hda_add_vmaster_hook()
  ALSA: hda - Add "Mute-LED Mode" enum control
  ...
2012-03-22 13:00:13 -07:00
Linus Torvalds 424a6f6ef9 SCSI updates on 20120319
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

SCSI updates from James Bottomley:
 "The update includes the usual assortment of driver updates (lpfc,
  qla2xxx, qla4xxx, bfa, bnx2fc, bnx2i, isci, fcoe, hpsa) plus a huge
  amount of infrastructure work in the SAS library and transport class
  as well as an iSCSI update.  There's also a new SCSI based virtio
  driver."

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (177 commits)
  [SCSI] qla4xxx: Update driver version to 5.02.00-k15
  [SCSI] qla4xxx: trivial cleanup
  [SCSI] qla4xxx: Fix sparse warning
  [SCSI] qla4xxx: Add support for multiple session per host.
  [SCSI] qla4xxx: Export CHAP index as sysfs attribute
  [SCSI] scsi_transport: Export CHAP index as sysfs attribute
  [SCSI] qla4xxx: Add support to display CHAP list and delete CHAP entry
  [SCSI] iscsi_transport: Add support to display CHAP list and delete CHAP entry
  [SCSI] pm8001: fix endian issue with code optimization.
  [SCSI] pm8001: Fix possible racing condition.
  [SCSI] pm8001: Fix bogus interrupt state flag issue.
  [SCSI] ipr: update PCI ID definitions for new adapters
  [SCSI] qla2xxx: handle default case in qla2x00_request_firmware()
  [SCSI] isci: improvements in driver unloading routine
  [SCSI] isci: improve phy event warnings
  [SCSI] isci: debug, provide state-enum-to-string conversions
  [SCSI] scsi_transport_sas: 'enable' phys on reset
  [SCSI] libsas: don't recover end devices attached to disabled phys
  [SCSI] libsas: fixup target_port_protocols for expanders that don't report sata
  [SCSI] libsas: set attached device type and target protocols for local phys
  ...
2012-03-22 12:55:29 -07:00
Linus Torvalds 95211279c5 Merge branch 'akpm' (Andrew's patch-bomb)
Merge first batch of patches from Andrew Morton:
 "A few misc things and all the MM queue"

* emailed from Andrew Morton <akpm@linux-foundation.org>: (92 commits)
  memcg: avoid THP split in task migration
  thp: add HPAGE_PMD_* definitions for !CONFIG_TRANSPARENT_HUGEPAGE
  memcg: clean up existing move charge code
  mm/memcontrol.c: remove unnecessary 'break' in mem_cgroup_read()
  mm/memcontrol.c: remove redundant BUG_ON() in mem_cgroup_usage_unregister_event()
  mm/memcontrol.c: s/stealed/stolen/
  memcg: fix performance of mem_cgroup_begin_update_page_stat()
  memcg: remove PCG_FILE_MAPPED
  memcg: use new logic for page stat accounting
  memcg: remove PCG_MOVE_LOCK flag from page_cgroup
  memcg: simplify move_account() check
  memcg: remove EXPORT_SYMBOL(mem_cgroup_update_page_stat)
  memcg: kill dead prev_priority stubs
  memcg: remove PCG_CACHE page_cgroup flag
  memcg: let css_get_next() rely upon rcu_read_lock()
  cgroup: revert ss_id_lock to spinlock
  idr: make idr_get_next() good for rcu_read_lock()
  memcg: remove unnecessary thp check in page stat accounting
  memcg: remove redundant returns
  memcg: enum lru_list lru
  ...
2012-03-22 09:04:48 -07:00
Linus Torvalds 5375871d43 Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull powerpc merge from Benjamin Herrenschmidt:
 "Here's the powerpc batch for this merge window.  It is going to be a
  bit more nasty than usual as in touching things outside of
  arch/powerpc mostly due to the big iSeriesectomy :-) We finally got
  rid of the bugger (legacy iSeries support) which was a PITA to
  maintain and that nobody really used anymore.

  Here are some of the highlights:

   - Legacy iSeries is gone.  Thanks Stephen ! There's still some bits
     and pieces remaining if you do a grep -ir series arch/powerpc but
     they are harmless and will be removed in the next few weeks
     hopefully.

   - The 'fadump' functionality (Firmware Assisted Dump) replaces the
     previous (equivalent) "pHyp assisted dump"...  it's a rewrite of a
     mechanism to get the hypervisor to do crash dumps on pSeries, the
     new implementation hopefully being much more reliable.  Thanks
     Mahesh Salgaonkar.

   - The "EEH" code (pSeries PCI error handling & recovery) got a big
     spring cleaning, motivated by the need to be able to implement a
     new backend for it on top of some new different type of firwmare.

     The work isn't complete yet, but a good chunk of the cleanups is
     there.  Note that this adds a field to struct device_node which is
     not very nice and which Grant objects to.  I will have a patch soon
     that moves that to a powerpc private data structure (hopefully
     before rc1) and we'll improve things further later on (hopefully
     getting rid of the need for that pointer completely).  Thanks Gavin
     Shan.

   - I dug into our exception & interrupt handling code to improve the
     way we do lazy interrupt handling (and make it work properly with
     "edge" triggered interrupt sources), and while at it found & fixed
     a wagon of issues in those areas, including adding support for page
     fault retry & fatal signals on page faults.

   - Your usual random batch of small fixes & updates, including a bunch
     of new embedded boards, both Freescale and APM based ones, etc..."

I fixed up some conflicts with the generalized irq-domain changes from
Grant Likely, hopefully correctly.

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (141 commits)
  powerpc/ps3: Do not adjust the wrapper load address
  powerpc: Remove the rest of the legacy iSeries include files
  powerpc: Remove the remaining CONFIG_PPC_ISERIES pieces
  init: Remove CONFIG_PPC_ISERIES
  powerpc: Remove FW_FEATURE ISERIES from arch code
  tty/hvc_vio: FW_FEATURE_ISERIES is no longer selectable
  powerpc/spufs: Fix double unlocks
  powerpc/5200: convert mpc5200 to use of_platform_populate()
  powerpc/mpc5200: add options to mpc5200_defconfig
  powerpc/mpc52xx: add a4m072 board support
  powerpc/mpc5200: update mpc5200_defconfig to fit for charon board
  Documentation/powerpc/mpc52xx.txt: Checkpatch cleanup
  powerpc/44x: Add additional device support for APM821xx SoC and Bluestone board
  powerpc/44x: Add support PCI-E for APM821xx SoC and Bluestone board
  MAINTAINERS: Update PowerPC 4xx tree
  powerpc/44x: The bug fixed support for APM821xx SoC and Bluestone board
  powerpc: document the FSL MPIC message register binding
  powerpc: add support for MPIC message register API
  powerpc/fsl: Added aliased MSIIR register address to MSI node in dts
  powerpc/85xx: mpc8548cds - add 36-bit dts
  ...
2012-03-21 18:55:10 -07:00
Siddhesh Poyarekar b76437579d procfs: mark thread stack correctly in proc/<pid>/maps
Stack for a new thread is mapped by userspace code and passed via
sys_clone.  This memory is currently seen as anonymous in
/proc/<pid>/maps, which makes it difficult to ascertain which mappings
are being used for thread stacks.  This patch uses the individual task
stack pointers to determine which vmas are actually thread stacks.

For a multithreaded program like the following:

	#include <pthread.h>

	void *thread_main(void *foo)
	{
		while(1);
	}

	int main()
	{
		pthread_t t;
		pthread_create(&t, NULL, thread_main, NULL);
		pthread_join(t, NULL);
	}

proc/PID/maps looks like the following:

    00400000-00401000 r-xp 00000000 fd:0a 3671804                            /home/siddhesh/a.out
    00600000-00601000 rw-p 00000000 fd:0a 3671804                            /home/siddhesh/a.out
    019ef000-01a10000 rw-p 00000000 00:00 0                                  [heap]
    7f8a44491000-7f8a44492000 ---p 00000000 00:00 0
    7f8a44492000-7f8a44c92000 rw-p 00000000 00:00 0
    7f8a44c92000-7f8a44e3d000 r-xp 00000000 fd:00 2097482                    /lib64/libc-2.14.90.so
    7f8a44e3d000-7f8a4503d000 ---p 001ab000 fd:00 2097482                    /lib64/libc-2.14.90.so
    7f8a4503d000-7f8a45041000 r--p 001ab000 fd:00 2097482                    /lib64/libc-2.14.90.so
    7f8a45041000-7f8a45043000 rw-p 001af000 fd:00 2097482                    /lib64/libc-2.14.90.so
    7f8a45043000-7f8a45048000 rw-p 00000000 00:00 0
    7f8a45048000-7f8a4505f000 r-xp 00000000 fd:00 2099938                    /lib64/libpthread-2.14.90.so
    7f8a4505f000-7f8a4525e000 ---p 00017000 fd:00 2099938                    /lib64/libpthread-2.14.90.so
    7f8a4525e000-7f8a4525f000 r--p 00016000 fd:00 2099938                    /lib64/libpthread-2.14.90.so
    7f8a4525f000-7f8a45260000 rw-p 00017000 fd:00 2099938                    /lib64/libpthread-2.14.90.so
    7f8a45260000-7f8a45264000 rw-p 00000000 00:00 0
    7f8a45264000-7f8a45286000 r-xp 00000000 fd:00 2097348                    /lib64/ld-2.14.90.so
    7f8a45457000-7f8a4545a000 rw-p 00000000 00:00 0
    7f8a45484000-7f8a45485000 rw-p 00000000 00:00 0
    7f8a45485000-7f8a45486000 r--p 00021000 fd:00 2097348                    /lib64/ld-2.14.90.so
    7f8a45486000-7f8a45487000 rw-p 00022000 fd:00 2097348                    /lib64/ld-2.14.90.so
    7f8a45487000-7f8a45488000 rw-p 00000000 00:00 0
    7fff6273b000-7fff6275c000 rw-p 00000000 00:00 0                          [stack]
    7fff627ff000-7fff62800000 r-xp 00000000 00:00 0                          [vdso]
    ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0                  [vsyscall]

Here, one could guess that 7f8a44492000-7f8a44c92000 is a stack since
the earlier vma that has no permissions (7f8a44e3d000-7f8a4503d000) but
that is not always a reliable way to find out which vma is a thread
stack.  Also, /proc/PID/maps and /proc/PID/task/TID/maps has the same
content.

With this patch in place, /proc/PID/task/TID/maps are treated as 'maps
as the task would see it' and hence, only the vma that that task uses as
stack is marked as [stack].  All other 'stack' vmas are marked as
anonymous memory.  /proc/PID/maps acts as a thread group level view,
where all thread stack vmas are marked as [stack:TID] where TID is the
process ID of the task that uses that vma as stack, while the process
stack is marked as [stack].

So /proc/PID/maps will look like this:

    00400000-00401000 r-xp 00000000 fd:0a 3671804                            /home/siddhesh/a.out
    00600000-00601000 rw-p 00000000 fd:0a 3671804                            /home/siddhesh/a.out
    019ef000-01a10000 rw-p 00000000 00:00 0                                  [heap]
    7f8a44491000-7f8a44492000 ---p 00000000 00:00 0
    7f8a44492000-7f8a44c92000 rw-p 00000000 00:00 0                          [stack:1442]
    7f8a44c92000-7f8a44e3d000 r-xp 00000000 fd:00 2097482                    /lib64/libc-2.14.90.so
    7f8a44e3d000-7f8a4503d000 ---p 001ab000 fd:00 2097482                    /lib64/libc-2.14.90.so
    7f8a4503d000-7f8a45041000 r--p 001ab000 fd:00 2097482                    /lib64/libc-2.14.90.so
    7f8a45041000-7f8a45043000 rw-p 001af000 fd:00 2097482                    /lib64/libc-2.14.90.so
    7f8a45043000-7f8a45048000 rw-p 00000000 00:00 0
    7f8a45048000-7f8a4505f000 r-xp 00000000 fd:00 2099938                    /lib64/libpthread-2.14.90.so
    7f8a4505f000-7f8a4525e000 ---p 00017000 fd:00 2099938                    /lib64/libpthread-2.14.90.so
    7f8a4525e000-7f8a4525f000 r--p 00016000 fd:00 2099938                    /lib64/libpthread-2.14.90.so
    7f8a4525f000-7f8a45260000 rw-p 00017000 fd:00 2099938                    /lib64/libpthread-2.14.90.so
    7f8a45260000-7f8a45264000 rw-p 00000000 00:00 0
    7f8a45264000-7f8a45286000 r-xp 00000000 fd:00 2097348                    /lib64/ld-2.14.90.so
    7f8a45457000-7f8a4545a000 rw-p 00000000 00:00 0
    7f8a45484000-7f8a45485000 rw-p 00000000 00:00 0
    7f8a45485000-7f8a45486000 r--p 00021000 fd:00 2097348                    /lib64/ld-2.14.90.so
    7f8a45486000-7f8a45487000 rw-p 00022000 fd:00 2097348                    /lib64/ld-2.14.90.so
    7f8a45487000-7f8a45488000 rw-p 00000000 00:00 0
    7fff6273b000-7fff6275c000 rw-p 00000000 00:00 0                          [stack]
    7fff627ff000-7fff62800000 r-xp 00000000 00:00 0                          [vdso]
    ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0                  [vsyscall]

Thus marking all vmas that are used as stacks by the threads in the
thread group along with the process stack.  The task level maps will
however like this:

    00400000-00401000 r-xp 00000000 fd:0a 3671804                            /home/siddhesh/a.out
    00600000-00601000 rw-p 00000000 fd:0a 3671804                            /home/siddhesh/a.out
    019ef000-01a10000 rw-p 00000000 00:00 0                                  [heap]
    7f8a44491000-7f8a44492000 ---p 00000000 00:00 0
    7f8a44492000-7f8a44c92000 rw-p 00000000 00:00 0                          [stack]
    7f8a44c92000-7f8a44e3d000 r-xp 00000000 fd:00 2097482                    /lib64/libc-2.14.90.so
    7f8a44e3d000-7f8a4503d000 ---p 001ab000 fd:00 2097482                    /lib64/libc-2.14.90.so
    7f8a4503d000-7f8a45041000 r--p 001ab000 fd:00 2097482                    /lib64/libc-2.14.90.so
    7f8a45041000-7f8a45043000 rw-p 001af000 fd:00 2097482                    /lib64/libc-2.14.90.so
    7f8a45043000-7f8a45048000 rw-p 00000000 00:00 0
    7f8a45048000-7f8a4505f000 r-xp 00000000 fd:00 2099938                    /lib64/libpthread-2.14.90.so
    7f8a4505f000-7f8a4525e000 ---p 00017000 fd:00 2099938                    /lib64/libpthread-2.14.90.so
    7f8a4525e000-7f8a4525f000 r--p 00016000 fd:00 2099938                    /lib64/libpthread-2.14.90.so
    7f8a4525f000-7f8a45260000 rw-p 00017000 fd:00 2099938                    /lib64/libpthread-2.14.90.so
    7f8a45260000-7f8a45264000 rw-p 00000000 00:00 0
    7f8a45264000-7f8a45286000 r-xp 00000000 fd:00 2097348                    /lib64/ld-2.14.90.so
    7f8a45457000-7f8a4545a000 rw-p 00000000 00:00 0
    7f8a45484000-7f8a45485000 rw-p 00000000 00:00 0
    7f8a45485000-7f8a45486000 r--p 00021000 fd:00 2097348                    /lib64/ld-2.14.90.so
    7f8a45486000-7f8a45487000 rw-p 00022000 fd:00 2097348                    /lib64/ld-2.14.90.so
    7f8a45487000-7f8a45488000 rw-p 00000000 00:00 0
    7fff6273b000-7fff6275c000 rw-p 00000000 00:00 0
    7fff627ff000-7fff62800000 r-xp 00000000 00:00 0                          [vdso]
    ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0                  [vsyscall]

where only the vma that is being used as a stack by *that* task is
marked as [stack].

Analogous changes have been made to /proc/PID/smaps,
/proc/PID/numa_maps, /proc/PID/task/TID/smaps and
/proc/PID/task/TID/numa_maps. Relevant snippets from smaps and
numa_maps:

    [siddhesh@localhost ~ ]$ pgrep a.out
    1441
    [siddhesh@localhost ~ ]$ cat /proc/1441/smaps | grep "\[stack"
    7f8a44492000-7f8a44c92000 rw-p 00000000 00:00 0                          [stack:1442]
    7fff6273b000-7fff6275c000 rw-p 00000000 00:00 0                          [stack]
    [siddhesh@localhost ~ ]$ cat /proc/1441/task/1442/smaps | grep "\[stack"
    7f8a44492000-7f8a44c92000 rw-p 00000000 00:00 0                          [stack]
    [siddhesh@localhost ~ ]$ cat /proc/1441/task/1441/smaps | grep "\[stack"
    7fff6273b000-7fff6275c000 rw-p 00000000 00:00 0                          [stack]
    [siddhesh@localhost ~ ]$ cat /proc/1441/numa_maps | grep "stack"
    7f8a44492000 default stack:1442 anon=2 dirty=2 N0=2
    7fff6273a000 default stack anon=3 dirty=3 N0=3
    [siddhesh@localhost ~ ]$ cat /proc/1441/task/1442/numa_maps | grep "stack"
    7f8a44492000 default stack anon=2 dirty=2 N0=2
    [siddhesh@localhost ~ ]$ cat /proc/1441/task/1441/numa_maps | grep "stack"
    7fff6273a000 default stack anon=3 dirty=3 N0=3

[akpm@linux-foundation.org: checkpatch fixes]
[akpm@linux-foundation.org: fix build]
Signed-off-by: Siddhesh Poyarekar <siddhesh.poyarekar@gmail.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Jamie Lokier <jamie@shareable.org>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Matt Mackall <mpm@selenic.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-21 17:54:58 -07:00
Jiri Kosina fcf4d8212a thp: documentation: 'transparent_hugepage=' can also be specified on cmdline
The behavior of THP can either be toggled through sysfs in runtime or
using a kernel cmdline parameter 'transparent_hugepage='.  Document the
latter in kernel-parameters.txt

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-21 17:54:57 -07:00
Naoya Horiguchi 807f0ccfe1 pagemap: document KPF_THP and make page-types aware of it
page-types, which is a common user of pagemap, gets aware of thp with this
patch.  This helps system admins and kernel hackers know about how thp
works.  Here is a sample output of page-types over a thp:

  $ page-types -p <pid> --raw --list

  voffset offset  len     flags
  ...
  7f9d40200       3f8400  1       ___U_lA____Ma_bH______t____________
  7f9d40201       3f8401  1ff     ________________T_____t____________

               flags      page-count       MB  symbolic-flags                     long-symbolic-flags
  0x0000000000410000             511        1  ________________T_____t____________        compound_tail,thp
  0x000000000040d868               1        0  ___U_lA____Ma_bH______t____________        uptodate,lru,active,mmap,anonymous,swapbacked,compound_head,thp

Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Acked-by: Wu Fengguang <fengguang.wu@intel.com>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-21 17:54:57 -07:00
Linus Torvalds e2a0883e40 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs pile 1 from Al Viro:
 "This is _not_ all; in particular, Miklos' and Jan's stuff is not there
  yet."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (64 commits)
  ext4: initialization of ext4_li_mtx needs to be done earlier
  debugfs-related mode_t whack-a-mole
  hfsplus: add an ioctl to bless files
  hfsplus: change finder_info to u32
  hfsplus: initialise userflags
  qnx4: new helper - try_extent()
  qnx4: get rid of qnx4_bread/qnx4_getblk
  take removal of PF_FORKNOEXEC to flush_old_exec()
  trim includes in inode.c
  um: uml_dup_mmap() relies on ->mmap_sem being held, but activate_mm() doesn't hold it
  um: embed ->stub_pages[] into mmu_context
  gadgetfs: list_for_each_safe() misuse
  ocfs2: fix leaks on failure exits in module_init
  ecryptfs: make register_filesystem() the last potential failure exit
  ntfs: forgets to unregister sysctls on register_filesystem() failure
  logfs: missing cleanup on register_filesystem() failure
  jfs: mising cleanup on register_filesystem() failure
  make configfs_pin_fs() return root dentry on success
  configfs: configfs_create_dir() has parent dentry in dentry->d_parent
  configfs: sanitize configfs_create()
  ...
2012-03-21 13:36:41 -07:00
Linus Torvalds 3556485f15 Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull security subsystem updates for 3.4 from James Morris:
 "The main addition here is the new Yama security module from Kees Cook,
  which was discussed at the Linux Security Summit last year.  Its
  purpose is to collect miscellaneous DAC security enhancements in one
  place.  This also marks a departure in policy for LSM modules, which
  were previously limited to being standalone access control systems.
  Chromium OS is using Yama, and I believe there are plans for Ubuntu,
  at least.

  This patchset also includes maintenance updates for AppArmor, TOMOYO
  and others."

Fix trivial conflict in <net/sock.h> due to the jumo_label->static_key
rename.

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (38 commits)
  AppArmor: Fix location of const qualifier on generated string tables
  TOMOYO: Return error if fails to delete a domain
  AppArmor: add const qualifiers to string arrays
  AppArmor: Add ability to load extended policy
  TOMOYO: Return appropriate value to poll().
  AppArmor: Move path failure information into aa_get_name and rename
  AppArmor: Update dfa matching routines.
  AppArmor: Minor cleanup of d_namespace_path to consolidate error handling
  AppArmor: Retrieve the dentry_path for error reporting when path lookup fails
  AppArmor: Add const qualifiers to generated string tables
  AppArmor: Fix oops in policy unpack auditing
  AppArmor: Fix error returned when a path lookup is disconnected
  KEYS: testing wrong bit for KEY_FLAG_REVOKED
  TOMOYO: Fix mount flags checking order.
  security: fix ima kconfig warning
  AppArmor: Fix the error case for chroot relative path name lookup
  AppArmor: fix mapping of META_READ to audit and quiet flags
  AppArmor: Fix underflow in xindex calculation
  AppArmor: Fix dropping of allowed operations that are force audited
  AppArmor: Add mising end of structure test to caps unpacking
  ...
2012-03-21 13:25:04 -07:00
Linus Torvalds 31f6765266 hwmon changes for v3.4
Mostly cleanup. No new drivers this time around, but support for several chips
 added to existing drivers: TPS40400, TPS40422, MTD040, MAX34446, ZL9101M,
 ZL9117M, and LM96080. Also, added watchdog support for SCH56xx, and additional
 attributes for a couple of drivers.
 
 312869e hwmon: (sch56xx) Add support for the integrated watchdog (v2)
 840e191 hwmon: (w83627ehf) Add support for temperature offset registers
 86dda17 hwmon: (jc42) Remove unnecessary device IDs
 3360a10 hwmon: (zl6100) Add support for ZL9101M and ZL9117M
 9271126 hwmon: (adm1275) Add support for ADM1075
 590defe hwmon: (max34440) Add support for MAX34446
 60b873e hwmon: (pmbus) Add more virtual registers
 2163340 hwmon: (pmbus) Add support for Lineage Power MDT040
 c5f35c9 hwmon: (pmbus) Add support for TI TPS40400 and TPS40422
 56aad5d hwmon: (max34440) Add support for 'lowest' output voltage attribute
 f15df57 hwmon: (jc42) Convert to use devm_kzalloc
 918ddef hwmon: (max16065) Convert to use devm_kzalloc
 b8a5a7c hwmon: (smm665) Convert to use devm_kzalloc
 3683928 hwmon: (ltc4261) Convert to use devm_kzalloc
 dd285ad hwmon: (pmbus) Simplify remove functions
 8b313ca hwmon: (pmbus) Convert pmbus drivers to use devm_kzalloc
 07404aa hwmon: (lineage-pem) Convert to use devm_kzalloc
 f352df6 hwmon: (hwmon-vid) Fix checkpatch issues
 3230f70 hwmon: (hwmon-vid) Add new entries to VRM model table
 9908ad4 hwmon: (lm80) Add detection of NatSemi/TI LM96080
 0e190b7 hwmon: (lm87) Get rid of macro-generated functions
 8652a26 hwmon: (lm87) Reorganize the code
 0fc86ec hwmon: (applesmc) Silence uninitialized warnings
 7599d32 hwmon: (lm70) Fix: do not use assignment in if condition
 e200c14 hwmon: (lm70) Register hwmon device after creating attribute files, and remove it first
 01d9def hwmon: (w83l786ng) Fix multi-line comments
 130067d hwmon: (w83l785ts) Fix multi-line comments
 7950133 hwmon: (w83781d) Fix: do not use assignment in if condition
 aff6e00 hwmon: (w83781d) Fix multi-line comments
 2a52dd6 hwmon: (smsc47b397) Fix multi-line comments
 36564ef hwmon: (pc87427) Fix multi-line comments
 b6707b7 hwmon: (max1668) Fix multi-line comments
 1160631 hwmon: (lm80) Fix multi-line comments
 bf0f3a0 hwmon: (emc2103) Fix multi-line comments
 fbb6670 hwmon: (adm1031) Fix multi-line comments
 94b991d hwmon: (adm1029) Fix multi-line comments
 27b9de3 hwmon: (w83627hf) Fix checkpatch issues
 ca3ccad hwmon: (w83l786ng) Fix checkpatch issues
 47efe87 hwmon: (w83793) Fix checkpatch issues
 d174368 hwmon: (w83792d) Fix checkpatch issues
 2185696 hwmon: (vt1211) Fix: do not use assignment in if condition
 b162c03 hwmon: (vt1211) Fix checkpatch issues
 9004ac8 hwmon: (via686a) Fix checkpatch issues
 bce2778 hwmon: (pc87360) Fix: do not use assignment in if condition
 449a7a0 hwmon: (pc87360) Fix checkpatch issues
 8958dfb hwmon: (max1619): Fix checkpatch issues
 09770b2 hwmon: (lm85) Fix checkpatch issues
 9b03079 hwmon: (lm78) Fix checkpatch issues
 02fe2fd hwmon: (lm77) Fix checkpatch issues
 f445a9a hwmon: (gl520sm) Fix: do not use assignment in if condition
 43da3d1 hwmon: (gl520sm) Fix checkpatch issues
 228f8e0 hwmon: (gl518sm) Fix checkpatch issues
 c8de836 hwmon: (dme1737) Fix checkpatch issues
 8c10369 hwmon: (asb100): Fix checkpatch issues
 c387e4e hwmon: (adm9240) Fix checkpatch issues
 86aa3e2 hwmon: (adm1026) Fix checkpatch issues
 21d2a8f hwmon: (adm1021) Fix checkpatch issues
 1bd385d hwmon: (abituguru) Fix checkpatch issues
 8969e84 hwmon: (w83627ehf) Fix multi-line comments
 51683ee hwmon: (max1111) Fix multi-line comments
 1b05d22 hwmon: (ltc4151) Fix multi-line comments
 1b9c491 hwmon: (g760a) Fix multi-line comments
 20eaf72 hwmon: (f71882fg) Fix multi-line comments
 4bebced hwmon: (emc1403) Fix multi-line comments
 ca3c7b6 hwmon: (amc6821) Fix multi-line comments
 10775d1 hwmon: (ads7871) Fix multi-line comments
 d13d623 hwmon: (ads7828) Fix multi-line comments
 562fca2 hwmon: (abituguru3) Fix multi-line comments
 ec1c319 hwmon: (w83791d) Fix checkpatch issues
 a80b10c hwmon: (ultra45_env) Fix checkpatch issues
 4d387df hwmon: (thmc50) Fix checkpatch issues
 85a0c0d hwmon: (smsc47m1) Fix checkpatch issues
 7e61268 hwmon: (smsc47m1) Fix: do not use assignment in if condition
 7cc3cb6 hwmon: (smsc47m192) Fix checkpatch issues
 8fda79e hwmon: (sis5595) Fix checkpatch issues
 5725608 hwmon: (pcf8591) Fix checkpatch issues
 2804a4c hwmon: (lm93) Fix checkpatch issues
 a318afd hwmon: (lm92) Fix checkpatch issues
 073f1e6c hwmon: (lm87) Fix: do not use assignment in if condition
 c6370db hwmon: (lm87) Fix checkpatch issues
 525ad37 hwmon: (fschmd) Fix checkpatch issues
 f24d548 hwmon: (atxp1) Fix checkpatch issues
 724cc33 hwmon: (adt7462) Fix checkpatch issues
 790fa38 hwmon: (ltc4215) Fix multi-line comments
 430b4fc hwmon: (ltc4245) Fix multi-line comments
 a68abd3 hwmon: (wm8350-hwmon) Constify fixed string array
 85ebfd3 hwmon: (applesmc) Fix multi-line comments
 75bdc93 hwmon: (asus_atk0110) Fix multi-line comments
 3c4c497 hwmon: (it87) Constify fixed string arrays
 8deeac8 hwmon: (ad7414) Fix multi-line comments
 5d577db hwmon: (jc42) Fix multi-line comments
 780affe hwmon: (coretemp) Fix checkpatch error
 3af2861 hwmon: (pc87360) Fix multi-line comments
 07de3df hwmon: (wm831x-hwmon) Fix multi-line comments
 3c22e23 hwmon: (smm665) Fix checkpatch error
 3c56b06 hwmon: (asc7621) Fix multi-line comments
 4a0d71c hwmon: (it87) Fix multi-line comments
 86d566e hwmon: (hwmon-vid) Fix multi-line comments
 5ed0488 hwmon: (hwmon) Fix multi-line comments
 19f2c05 hwmon: (ds1621) Fix checkpatch issues
 91efffe hwmon: convert drivers/hwmon/* to use module_spi_driver()
 f0967ee hwmon: convert drivers/hwmon/* to use module_i2c_driver()
 61ba031 hwmon: (vt8231) Fix multi-line comments
 9ed5bc2 hwmon: (adt7475) Fix multi-line comments
 2fff084 hwmon: (f71805f) Fix checkpatch issues
 703af96 hwmon: (max6650) Fix multi-line comments
 c531eb3 hwmon: (w83781d) Fix checkpatch issues
 2b22de5 hwmon: (adm1025) Fix checkpatch issues
 7973841 hwmon: (abituguru3) Fix checkpatch issues
 65fe5c7 hwmon: (vt8231) Fix checkpatch issues
 bafda5d hwmon: (max6650) Fix checkpatch issues
 0117c3f hwmon: (pmbus) Replace strict_strtol with kstrtol
 b3789a0 hwmon: (lm83) fix checkpatch issues
 93092a6 hwmon: (k8temp) fix checkpatch issues
 96585f1 hwmon: (lm80) reset device if error occurred
 6a9e7c4c hwmon: (lm80) fix checkpatch warnings
 6b904b6 hwmon: (adt7470) fix checkpatch issues
 e6a83db hwmon: (adt7411) fix checkpatch issues
 56c24af hwmon: (lm70) fix checkpatch issues
 1dc3708 hwmon: (f71882fg) fix checkpatch issues
 c6e8ac0 hwmon: (asus_atk0110) fix checkpatch issues
 99b8c83 hwmon: (adt7475) fix checkpatch issues
 b2ae8f8 hwmon: (smm665) fix checkpatch issues
 c9e1498 hwmon: (sht15) fix checkpatch issues
 0910b28 hwmon: (ibmaem) fix checkpatch issues
 dcb7cb9 hwmon: (ad7414) fix checkpatch issues
 e91aef2 hwmon: (ad7418) fix checkpatch issues
 5996542 hwmon: (w83l785ts) fix checkpatch issues
 a6100f6 hwmon: (wm831x-hwmon) fix checkpatch issues
 839a9ee hwmon: fix checkpatch issues
 08f5090 hwmon: (adm1029) fix checkpatch issues
 4d7c5d4 hwmon: (g760a) fix checkpatch issues
 7b102ed hwmon: (i5k_amb) fix checkpatch issues
 600151b hwmon: use DEFINE_PCI_DEVICE_TABLE
 7fe83ad hwmon: remove () used with return
 a6bee4a hwmon: (amc6821) fix initialisation
 2faaa93 hwmon: (lm80) add error handling
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon changes for v3.4 from Guenter Roeck:
 "Mostly cleanup.  No new drivers this time around, but support for
  several chips added to existing drivers: TPS40400, TPS40422, MTD040,
  MAX34446, ZL9101M, ZL9117M, and LM96080.  Also, added watchdog support
  for SCH56xx, and additional attributes for a couple of drivers."

* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (137 commits)
  hwmon: (sch56xx) Add support for the integrated watchdog (v2)
  hwmon: (w83627ehf) Add support for temperature offset registers
  hwmon: (jc42) Remove unnecessary device IDs
  hwmon: (zl6100) Add support for ZL9101M and ZL9117M
  hwmon: (adm1275) Add support for ADM1075
  hwmon: (max34440) Add support for MAX34446
  hwmon: (pmbus) Add more virtual registers
  hwmon: (pmbus) Add support for Lineage Power MDT040
  hwmon: (pmbus) Add support for TI TPS40400 and TPS40422
  hwmon: (max34440) Add support for 'lowest' output voltage attribute
  hwmon: (jc42) Convert to use devm_kzalloc
  hwmon: (max16065) Convert to use devm_kzalloc
  hwmon: (smm665) Convert to use devm_kzalloc
  hwmon: (ltc4261) Convert to use devm_kzalloc
  hwmon: (pmbus) Simplify remove functions
  hwmon: (pmbus) Convert pmbus drivers to use devm_kzalloc
  hwmon: (lineage-pem) Convert to use devm_kzalloc
  hwmon: (hwmon-vid) Fix checkpatch issues
  hwmon: (hwmon-vid) Add new entries to VRM model table
  hwmon: (lm80) Add detection of NatSemi/TI LM96080
  ...
2012-03-21 10:37:25 -07:00
Linus Torvalds d15d76448b regulator: Updates for 3.4
This has been a fairly quiet release from a regulator point of view, the
 only real framework features added were devm support and a convenience
 helper for setting up fixed voltage regulators.
 
 We also added a couple of drivers (but will drop the BQ240022 driver via
 the arm-soc tree as it's been replaced by the more generic
 gpio-regulator driver) and Axel Lin continued his relentless and
 generally awesome stream of fixes and cleanups.
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Merge tag 'regulator-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates for 3.4 from Mark Brown:
 "This has been a fairly quiet release from a regulator point of view,
  the only real framework features added were devm support and a
  convenience helper for setting up fixed voltage regulators.

  We also added a couple of drivers (but will drop the BQ240022 driver
  via the arm-soc tree as it's been replaced by the more generic
  gpio-regulator driver) and Axel Lin continued his relentless and
  generally awesome stream of fixes and cleanups."

* tag 'regulator-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (93 commits)
  regulator: Fix up a confusing dev_warn when DT lookup fails
  regulator: Convert tps6507x to set_voltage_sel
  regulator: Refactor tps6507x to use one tps6507x_pmic_ops for all LDOs and DCDCs
  regulator: Make s5m8767_get_voltage_register always return correct register
  regulator: s5m8767: Check pdata->buck[2|3|4]_gpiodvs earlier
  regulator: tps65910: Provide settling time for DCDC voltage change
  regulator: Add Anatop regulator driver
  regulator: Simplify implementation of tps65912_get_voltage_dcdc
  regulator: Use tps65912_set_voltage_sel for both DCDCx and LDOx
  regulator: tps65910: Provide settling time for enabling rails
  regulator: max8925: Use DIV_ROUND_UP macro
  regulator: tps65912: Use simple equations to get register address
  regulator: Fix the logic of tps65910_get_mode
  regulator: Merge tps65217_pmic_ldo234_ops and tps65217_pmic_dcdc_ops to tps65217_pmic_ops
  regulator: Use DIV_ROUND_CLOSEST in wm8350_isink_get_current
  regulator: Use array to store dcdc_range settings for tps65912
  regulator: Rename s5m8767_convert_voltage to s5m8767_convert_voltage_to_sel
  regulator: tps6524x: Remove unneeded comment for N_REGULATORS
  regulator: Rename set_voltage_sel callback function name to *_sel
  regulator: Fix s5m8767_set_voltage_time_sel calculation value
  ...
2012-03-21 10:34:56 -07:00
Linus Torvalds 5f0e685f31 SPI changes for v3.4.
Mostly a bunch of new drivers and driver bug fixes; but this also
 includes a few patches that create a core message queue infrastructure
 for the spi subsystem instead of making each driver open code it.
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Merge tag 'spi-for-linus' of git://git.secretlab.ca/git/linux-2.6

Pull SPI changes for v3.4 from Grant Likely:
 "Mostly a bunch of new drivers and driver bug fixes; but this also
  includes a few patches that create a core message queue infrastructure
  for the spi subsystem instead of making each driver open code it."

* tag 'spi-for-linus' of git://git.secretlab.ca/git/linux-2.6: (34 commits)
  spi/fsl-espi: Make sure pm is within 2..32
  spi/fsl-espi: make the clock computation easier to read
  spi: sh-hspi: modify write/read method
  spi: sh-hspi: control spi clock more correctly
  spi: sh-hspi: convert to using core message queue
  spi: s3c64xx: Fix build
  spi: s3c64xx: remove unnecessary callback msg->complete
  spi: remove redundant variable assignment
  spi: release lock on error path in spi_pump_messages()
  spi: Compatibility with direction which is used in samsung DMA operation
  spi-topcliff-pch: add recovery processing in case wait-event timeout
  spi-topcliff-pch: supports a spi mode setup and bit order setup by IO control
  spi-topcliff-pch: Fix issue for transmitting over 4KByte
  spi-topcliff-pch: Modify pci-bus number dynamically to get DMA device info
  spi/imx: simplify error handling to free gpios
  spi: Convert to DEFINE_PCI_DEVICE_TABLE
  spi: add Broadcom BCM63xx SPI controller driver
  SPI: add CSR SiRFprimaII SPI controller driver
  spi-topcliff-pch: fix -Wuninitialized warning
  spi: Mark spi_register_board_info() __devinit
  ...
2012-03-21 10:32:00 -07:00
Linus Torvalds f8974cb713 Core device tree changes for Linux v3.4
This branch contains a minor documentation addition, a utility
 function for parsing string properties needed by some of the new ARM
 platforms, disables dynamic DT code that isn't used anywhere but on a
 few PPC machines, and exports DT node compatible data to userspace via
 UEVENT properties.  Nothing earth shattering here.
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Merge tag 'dt-for-linus' of git://git.secretlab.ca/git/linux-2.6

Pull core device tree changes for Linux v3.4 from Grant Likely:
 "This branch contains a minor documentation addition, a utility
  function for parsing string properties needed by some of the new ARM
  platforms, disables dynamic DT code that isn't used anywhere but on a
  few PPC machines, and exports DT node compatible data to userspace via
  UEVENT properties.  Nothing earth shattering here."

* tag 'dt-for-linus' of git://git.secretlab.ca/git/linux-2.6:
  of: Only compile OF_DYNAMIC on PowerPC pseries and iseries
  arm/dts: OMAP3: Add omap3evm and am335xevm support
  drivercore: Output common devicetree information in uevent
  of: Add of_property_match_string() to find index into a string list
2012-03-21 10:30:03 -07:00
Linus Torvalds c207f3a431 Generialize powerpc's irq_host as irq_domain
This branch takes the PowerPC irq_host infrastructure (reverse mapping
 from Linux IRQ numbers to hardware irq numbering), generalizes it,
 renames it to irq_domain, and makes it available to all architectures.
 
 Originally the plan has been to create an all-new irq_domain
 implementation which addresses some of the powerpc shortcomings such
 as not handling 1:1 mappings well, but doing that proved to be far
 more difficult and invasive than generalizing the working code and
 refactoring it in-place.  So, this branch rips out the 'new'
 irq_domain and replaces it with the modified powerpc version (in a
 fully bisectable way of course).  It converts all users over to the
 new API and makes irq_domain selectable on any architecture.
 
 No architecture is forced to enable irq_domain, but the infrastructure
 is required for doing OpenFirmware style irq translations.  It will
 even work on SPARC even though SPARC has it's own mechanism for
 translating irqs at boot time.  MIPS, microblaze, embedded x86 and c6x
 are converted too.
 
 The resulting irq_domain code is probably still too verbose and can be
 optimized more, but that can be done incrementally and is a task for
 follow-on patches.
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Merge tag 'irqdomain-for-linus' of git://git.secretlab.ca/git/linux-2.6

Pull irq_domain support for all architectures from Grant Likely:
 "Generialize powerpc's irq_host as irq_domain

  This branch takes the PowerPC irq_host infrastructure (reverse mapping
  from Linux IRQ numbers to hardware irq numbering), generalizes it,
  renames it to irq_domain, and makes it available to all architectures.

  Originally the plan has been to create an all-new irq_domain
  implementation which addresses some of the powerpc shortcomings such
  as not handling 1:1 mappings well, but doing that proved to be far
  more difficult and invasive than generalizing the working code and
  refactoring it in-place.  So, this branch rips out the 'new'
  irq_domain and replaces it with the modified powerpc version (in a
  fully bisectable way of course).  It converts all users over to the
  new API and makes irq_domain selectable on any architecture.

  No architecture is forced to enable irq_domain, but the infrastructure
  is required for doing OpenFirmware style irq translations.  It will
  even work on SPARC even though SPARC has it's own mechanism for
  translating irqs at boot time.  MIPS, microblaze, embedded x86 and c6x
  are converted too.

  The resulting irq_domain code is probably still too verbose and can be
  optimized more, but that can be done incrementally and is a task for
  follow-on patches."

* tag 'irqdomain-for-linus' of git://git.secretlab.ca/git/linux-2.6: (31 commits)
  dt: fix twl4030 for non-dt compile on x86
  mfd: twl-core: Add IRQ_DOMAIN dependency
  devicetree: Add empty of_platform_populate() for !CONFIG_OF_ADDRESS (sparc)
  irq_domain: Centralize definition of irq_dispose_mapping()
  irq_domain/mips: Allow irq_domain on MIPS
  irq_domain/x86: Convert x86 (embedded) to use common irq_domain
  ppc-6xx: fix build failure in flipper-pic.c and hlwd-pic.c
  irq_domain/microblaze: Convert microblaze to use irq_domains
  irq_domain/powerpc: Replace custom xlate functions with library functions
  irq_domain/powerpc: constify irq_domain_ops
  irq_domain/c6x: Use library of xlate functions
  irq_domain/c6x: constify irq_domain structures
  irq_domain/c6x: Convert c6x to use generic irq_domain support.
  irq_domain: constify irq_domain_ops
  irq_domain: Create common xlate functions that device drivers can use
  irq_domain: Remove irq_domain_add_simple()
  irq_domain: Remove 'new' irq_domain in favour of the ppc one
  mfd: twl-core.c: Fix the number of interrupts managed by twl4030
  of/address: add empty static inlines for !CONFIG_OF
  irq_domain: Add support for base irq and hwirq in legacy mappings
  ...
2012-03-21 10:27:19 -07:00
Linus Torvalds c7c66c0cb0 Power management updates for 3.4
Assorted extensions and fixes including:
 
 * Introduction of early/late suspend/hibernation device callbacks.
 * Generic PM domains extensions and fixes.
 * devfreq updates from Axel Lin and MyungJoo Ham.
 * Device PM QoS updates.
 * Fixes of concurrency problems with wakeup sources.
 * System suspend and hibernation fixes.
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Merge tag 'pm-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates for 3.4 from Rafael Wysocki:
 "Assorted extensions and fixes including:

  * Introduction of early/late suspend/hibernation device callbacks.
  * Generic PM domains extensions and fixes.
  * devfreq updates from Axel Lin and MyungJoo Ham.
  * Device PM QoS updates.
  * Fixes of concurrency problems with wakeup sources.
  * System suspend and hibernation fixes."

* tag 'pm-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (43 commits)
  PM / Domains: Check domain status during hibernation restore of devices
  PM / devfreq: add relation of recommended frequency.
  PM / shmobile: Make MTU2 driver use pm_genpd_dev_always_on()
  PM / shmobile: Make CMT driver use pm_genpd_dev_always_on()
  PM / shmobile: Make TMU driver use pm_genpd_dev_always_on()
  PM / Domains: Introduce "always on" device flag
  PM / Domains: Fix hibernation restore of devices, v2
  PM / Domains: Fix handling of wakeup devices during system resume
  sh_mmcif / PM: Use PM QoS latency constraint
  tmio_mmc / PM: Use PM QoS latency constraint
  PM / QoS: Make it possible to expose PM QoS latency constraints
  PM / Sleep: JBD and JBD2 missing set_freezable()
  PM / Domains: Fix include for PM_GENERIC_DOMAINS=n case
  PM / Freezer: Remove references to TIF_FREEZE in comments
  PM / Sleep: Add more wakeup source initialization routines
  PM / Hibernate: Enable usermodehelpers in hibernate() error path
  PM / Sleep: Make __pm_stay_awake() delete wakeup source timers
  PM / Sleep: Fix race conditions related to wakeup source timer function
  PM / Sleep: Fix possible infinite loop during wakeup source destruction
  PM / Hibernate: print physical addresses consistently with other parts of kernel
  ...
2012-03-21 10:15:51 -07:00
Linus Torvalds 9f3938346a Merge branch 'kmap_atomic' of git://github.com/congwang/linux
Pull kmap_atomic cleanup from Cong Wang.

It's been in -next for a long time, and it gets rid of the (no longer
used) second argument to k[un]map_atomic().

Fix up a few trivial conflicts in various drivers, and do an "evil
merge" to catch some new uses that have come in since Cong's tree.

* 'kmap_atomic' of git://github.com/congwang/linux: (59 commits)
  feature-removal-schedule.txt: schedule the deprecated form of kmap_atomic() for removal
  highmem: kill all __kmap_atomic() [swarren@nvidia.com: highmem: Fix ARM build break due to __kmap_atomic rename]
  drbd: remove the second argument of k[un]map_atomic()
  zcache: remove the second argument of k[un]map_atomic()
  gma500: remove the second argument of k[un]map_atomic()
  dm: remove the second argument of k[un]map_atomic()
  tomoyo: remove the second argument of k[un]map_atomic()
  sunrpc: remove the second argument of k[un]map_atomic()
  rds: remove the second argument of k[un]map_atomic()
  net: remove the second argument of k[un]map_atomic()
  mm: remove the second argument of k[un]map_atomic()
  lib: remove the second argument of k[un]map_atomic()
  power: remove the second argument of k[un]map_atomic()
  kdb: remove the second argument of k[un]map_atomic()
  udf: remove the second argument of k[un]map_atomic()
  ubifs: remove the second argument of k[un]map_atomic()
  squashfs: remove the second argument of k[un]map_atomic()
  reiserfs: remove the second argument of k[un]map_atomic()
  ocfs2: remove the second argument of k[un]map_atomic()
  ntfs: remove the second argument of k[un]map_atomic()
  ...
2012-03-21 09:40:26 -07:00
Sachin Bhamare 18d98f6c04 pnfs-obj: autologin: Add support for protocol autologin
The pnfs-objects protocol mandates that we autologin into devices not
present in the system, according to information specified in the
get_device_info returned from the server.

The Protocol specifies two login hints.
1. An IP address:port combination
2. A string URI which is constructed as a URL with a protocol prefix
   followed by :// and a string as address. For each  protocol prefix
   the string-address format might be different.

We only support the second option. The first option is just redundant
to the second one.
NOTE: The Kernel part of autologin does not parse the URI string. It
just channels it to a user-mode script. So any new login protocols should
only update the user-mode script which is a part of the nfs-utils package,
but the Kernel need not change.

We implement the autologin by using the call_usermodehelper() API.
(Thanks to Steve Dickson <steved@redhat.com> for pointing it out)
So there is no running daemon needed, and/or special setup.

We Add the osd_login_prog Kernel module parameters which defaults to:
	/sbin/osd_login

Kernel try's to upcall the program specified in osd_login_prog. If the file is
not found or the execution fails Kernel will disable any farther upcalls, by
zeroing out  osd_login_prog, Until Admin re-enables it by setting the
osd_login_prog parameter to a proper program.

Also add text about the osd_login program command line API to:
	Documentation/filesystems/nfs/pnfs.txt
and documentation of the new  osd_login_prog  module parameter to:
	Documentation/kernel-parameters.txt

TODO: Add timeout option in the case osd_login program gets
              stuck

Signed-off-by: Sachin Bhamare <sbhamare@panasas.com>
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-03-21 09:31:47 -04:00
Linus Torvalds 69a7aebcf0 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree from Jiri Kosina:
 "It's indeed trivial -- mostly documentation updates and a bunch of
  typo fixes from Masanari.

  There are also several linux/version.h include removals from Jesper."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (101 commits)
  kcore: fix spelling in read_kcore() comment
  constify struct pci_dev * in obvious cases
  Revert "char: Fix typo in viotape.c"
  init: fix wording error in mm_init comment
  usb: gadget: Kconfig: fix typo for 'different'
  Revert "power, max8998: Include linux/module.h just once in drivers/power/max8998_charger.c"
  writeback: fix fn name in writeback_inodes_sb_nr_if_idle() comment header
  writeback: fix typo in the writeback_control comment
  Documentation: Fix multiple typo in Documentation
  tpm_tis: fix tis_lock with respect to RCU
  Revert "media: Fix typo in mixer_drv.c and hdmi_drv.c"
  Doc: Update numastat.txt
  qla4xxx: Add missing spaces to error messages
  compiler.h: Fix typo
  security: struct security_operations kerneldoc fix
  Documentation: broken URL in libata.tmpl
  Documentation: broken URL in filesystems.tmpl
  mtd: simplify return logic in do_map_probe()
  mm: fix comment typo of truncate_inode_pages_range
  power: bq27x00: Fix typos in comment
  ...
2012-03-20 21:12:50 -07:00
Linus Torvalds 3b59bf0816 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking merge from David Miller:
 "1) Move ixgbe driver over to purely page based buffering on receive.
     From Alexander Duyck.

  2) Add receive packet steering support to e1000e, from Bruce Allan.

  3) Convert TCP MD5 support over to RCU, from Eric Dumazet.

  4) Reduce cpu usage in handling out-of-order TCP packets on modern
     systems, also from Eric Dumazet.

  5) Support the IP{,V6}_UNICAST_IF socket options, making the wine
     folks happy, from Erich Hoover.

  6) Support VLAN trunking from guests in hyperv driver, from Haiyang
     Zhang.

  7) Support byte-queue-limtis in r8169, from Igor Maravic.

  8) Outline code intended for IP_RECVTOS in IP_PKTOPTIONS existed but
     was never properly implemented, Jiri Benc fixed that.

  9) 64-bit statistics support in r8169 and 8139too, from Junchang Wang.

  10) Support kernel side dump filtering by ctmark in netfilter
      ctnetlink, from Pablo Neira Ayuso.

  11) Support byte-queue-limits in gianfar driver, from Paul Gortmaker.

  12) Add new peek socket options to assist with socket migration, from
      Pavel Emelyanov.

  13) Add sch_plug packet scheduler whose queue is controlled by
      userland daemons using explicit freeze and release commands.  From
      Shriram Rajagopalan.

  14) Fix FCOE checksum offload handling on transmit, from Yi Zou."

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1846 commits)
  Fix pppol2tp getsockname()
  Remove printk from rds_sendmsg
  ipv6: fix incorrent ipv6 ipsec packet fragment
  cpsw: Hook up default ndo_change_mtu.
  net: qmi_wwan: fix build error due to cdc-wdm dependecy
  netdev: driver: ethernet: Add TI CPSW driver
  netdev: driver: ethernet: add cpsw address lookup engine support
  phy: add am79c874 PHY support
  mlx4_core: fix race on comm channel
  bonding: send igmp report for its master
  fs_enet: Add MPC5125 FEC support and PHY interface selection
  net: bpf_jit: fix BPF_S_LDX_B_MSH compilation
  net: update the usage of CHECKSUM_UNNECESSARY
  fcoe: use CHECKSUM_UNNECESSARY instead of CHECKSUM_PARTIAL on tx
  net: do not do gso for CHECKSUM_UNNECESSARY in netif_needs_gso
  ixgbe: Fix issues with SR-IOV loopback when flow control is disabled
  net/hyperv: Fix the code handling tx busy
  ixgbe: fix namespace issues when FCoE/DCB is not enabled
  rtlwifi: Remove unused ETH_ADDR_LEN defines
  igbvf: Use ETH_ALEN
  ...

Fix up fairly trivial conflicts in drivers/isdn/gigaset/interface.c and
drivers/net/usb/{Kconfig,qmi_wwan.c} as per David.
2012-03-20 21:04:47 -07:00
Al Viro 88187398cc debugfs-related mode_t whack-a-mole
all of those should be umode_t...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-03-20 21:29:53 -04:00
Matthew Garrett a051f71ce9 hfsplus: add an ioctl to bless files
Making an hfsplus partition bootable requires the ability to "bless" a
file by putting its inode number in the volume header. Doing this from
userspace on a mounted filesystem is impractical since the kernel will
write back the original values on unmount. Add an ioctl to allow userspace
to update the volume header information based on the target file.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-03-20 21:29:53 -04:00