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Linus Torvalds
5da77761e6 Driver core / kernfs pull request for 3.16-rc1 
Here is the "big" pull request for 3.16-rc1.
 Not a lot of changes here, some kernfs work, a revert of a very old
 driver core change that ended up cauing some memory leaks on driver
 probe error paths, and other minor things.
 
 As was pointed out earlier today, one commit here,
 26fc9cd200 (kernfs: move the last
 knowledge of sysfs out from kernfs) is also needed in your 3.15-final
 branch as well.  If you could cherry-pick it there, it would be most
 appreciated by Andy Lutomirski to prevent a regression there.
 
 All of these have been in linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core into next

Pull driver core / kernfs changes from Greg KH:
 "Here is the "big" pull request for 3.16-rc1.

  Not a lot of changes here, some kernfs work, a revert of a very old
  driver core change that ended up cauing some memory leaks on driver
  probe error paths, and other minor things.

  As was pointed out earlier today, one commit here, 26fc9cd200
  ("kernfs: move the last knowledge of sysfs out from kernfs") is also
  needed in your 3.15-final branch as well.  If you could cherry-pick it
  there, it would be most appreciated by Andy Lutomirski to prevent a
  regression there.

  All of these have been in linux-next for a while"

* tag 'driver-core-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  crypto/nx/nx-842: dev_set_drvdata can no longer fail
  kernfs: move the last knowledge of sysfs out from kernfs
  sysfs: fix attribute_group bin file path on removal
  sysfs.h: don't return a void-valued expression in sysfs_remove_file
  init.h: Update initcall_sync variants to fix build errors
  driver core: Inline dev_set/get_drvdata
  driver core: dev_get_drvdata: Don't check for NULL dev
  driver core: dev_set_drvdata returns void
  driver core: dev_set_drvdata can no longer fail
  driver core: Move driver_data back to struct device
  lib/devres.c: fix checkpatch warnings
  lib/devres.c: use dev in devm_request_and_ioremap
  kobject: Make support for uevent_helper optional.
  kernfs: make kernfs_notify() trigger inotify events too
  kernfs: implement kernfs_root->supers list
 2014-06-03 08:07:41 -07:00
Linus Torvalds
4046136afb Char / misc driver patches for 3.16-rc1 
Here is the big char / misc driver updates for 3.16-rc1.
 
 Lots of different driver updates for a variety of different drivers and
 minor driver subsystems.
 
 All have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc into next

Pull char/misc driver patches from Greg KH:
 "Here is the big char / misc driver update for 3.16-rc1.

  Lots of different driver updates for a variety of different drivers
  and minor driver subsystems.

  All have been in linux-next with no reported issues"

* tag 'char-misc-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (79 commits)
  hv: use correct order when freeing monitor_pages
  spmi: of: fixup generic SPMI devicetree binding example
  applicom: dereferencing NULL on error path
  misc: genwqe: fix uninitialized return value in genwqe_free_sync_sgl()
  miscdevice.h: Simple syntax fix to make pointers consistent.
  MAINTAINERS: Add miscdevice.h to file list for char/misc drivers.
  mcb: Add support for shared PCI IRQs
  drivers: Remove duplicate conditionally included subdirs
  misc: atmel_pwm: only build for supported platforms
  mei: me: move probe quirk to cfg structure
  mei: add per device configuration
  mei: me: read H_CSR after asserting reset
  mei: me: drop harmful wait optimization
  mei: me: fix hw ready reset flow
  mei: fix memory leak of mei_clients array
  uio: fix vma io range check in mmap
  drivers: uio_dmem_genirq: Fix memory leak in uio_dmem_genirq_probe()
  w1: do not unlock unheld list_mutex in __w1_remove_master_device()
  w1: optional bundling of netlink kernel replies
  connector: allow multiple messages to be sent in one packet
  ...
 2014-06-03 08:06:56 -07:00
Linus Torvalds
b55a0ff8df Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu into next 
Pull m68knommu updates from Greg Ungerer:
 "Nothing too big, just a handfull of small changes.

  A couple of dragonball fixes, coldfire qspi cleanup and fixes, and
  some coldfire gpio cleanup, fixes and extensions"

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
  m68knommu: Implement gpio support for m54xx.
  m68knommu: Make everything thats not exported, static.
  m68knommu: setting the gpio data direction register to output doesn't dependent upon the value to output!
  m68knommu: add to_irq function so we can map gpios to external interrupts.
  m68knommu: qspi declutter.
  m68knommu: Fix the 5249/525x qspi base address.
  m68knommu: Add qspi clk for Coldfire SoCs without real clks.
  m68k: fix a compiler warning when building for DragonBall
  m68knommu: Fix mach_sched_init for EZ and VZ DragonBall chips
 2014-06-02 20:00:54 -07:00
Linus Torvalds
a727eaf64f ARM: SoC driver changes 
SoC-near driver changes that we're merging through our tree. Mostly
 because they depend on other changes we have staged, but in some cases
 because the driver maintainers preferred that we did it this way.
 
 This contains a largeish cleanup series of the omap_l3_noc bus driver,
 cpuidle rework for Exynos, some reset driver conversions and a long
 branch of TI EDMA fixes and cleanups, with more to come next release.
 
 The TI EDMA cleanups is a shared branch with the dmaengine tree, with
 a handful of Davinci-specific fixes on top.
 
 After discussion at last year's KS (and some more on the mailing lists),
 we are here adding a drivers/soc directory. The purpose of this is
 to keep per-vendor shared code that's needed by different drivers but
 that doesn't fit into the MFD (nor drivers/platform) model. We expect
 to keep merging contents for this hierarchy through arm-soc so we can
 keep an eye on what the vendors keep adding here and not making it a
 free-for-all to shove in crazy stuff.
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Merge tag 'drivers-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into next

Pull ARM SoC driver changes from Olof Johansson:
 "SoC-near driver changes that we're merging through our tree.  Mostly
  because they depend on other changes we have staged, but in some cases
  because the driver maintainers preferred that we did it this way.

  This contains a largeish cleanup series of the omap_l3_noc bus driver,
  cpuidle rework for Exynos, some reset driver conversions and a long
  branch of TI EDMA fixes and cleanups, with more to come next release.

  The TI EDMA cleanups is a shared branch with the dmaengine tree, with
  a handful of Davinci-specific fixes on top.

  After discussion at last year's KS (and some more on the mailing
  lists), we are here adding a drivers/soc directory.  The purpose of
  this is to keep per-vendor shared code that's needed by different
  drivers but that doesn't fit into the MFD (nor drivers/platform)
  model.  We expect to keep merging contents for this hierarchy through
  arm-soc so we can keep an eye on what the vendors keep adding here and
  not making it a free-for-all to shove in crazy stuff"

* tag 'drivers-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (101 commits)
  cpufreq: exynos: Fix driver compilation with ARCH_MULTIPLATFORM
  tty: serial: msm: Remove direct access to GSBI
  power: reset: keystone-reset: introduce keystone reset driver
  Documentation: dt: add bindings for keystone pll control controller
  Documentation: dt: add bindings for keystone reset driver
  soc: qcom: fix of_device_id table
  ARM: EXYNOS: Fix kernel panic when unplugging CPU1 on exynos
  ARM: EXYNOS: Move the driver to drivers/cpuidle directory
  ARM: EXYNOS: Cleanup all unneeded headers from cpuidle.c
  ARM: EXYNOS: Pass the AFTR callback to the platform_data
  ARM: EXYNOS: Move S5P_CHECK_SLEEP into pm.c
  ARM: EXYNOS: Move the power sequence call in the cpu_pm notifier
  ARM: EXYNOS: Move the AFTR state function into pm.c
  ARM: EXYNOS: Encapsulate the AFTR code into a function
  ARM: EXYNOS: Disable cpuidle for exynos5440
  ARM: EXYNOS: Encapsulate boot vector code into a function for cpuidle
  ARM: EXYNOS: Pass wakeup mask parameter to function for cpuidle
  ARM: EXYNOS: Remove ifdef for scu_enable in pm
  ARM: EXYNOS: Move scu_enable in the cpu_pm notifier
  ARM: EXYNOS: Use the cpu_pm notifier for pm
  ...
 2014-06-02 16:35:49 -07:00
Linus Torvalds
755a9ba7bf ARM: SoC devicetree updates for 3.16 
As with previous release, this continues to be among the largest branches
 we merge, with lots of new contents.
 
 New things for this release are among other things:
 
 - DTSI contents for the new SoCs supported in 3.16 (see SoC pull request)
 - Qualcomm APQ8064 and APQ8084 SoCs and eval boards
 - Nvidia Jetson TK1 development board (Tegra T124-based)
 
 Two new SoCs that didn't need enough new platform code to stand out
 enough for me to notice when writing the SoC tag, but that adds new DT
 contents are:
 
 - TI DRA72
 - Marvell Berlin 2Q
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Merge tag 'dt-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into next

Pull ARM SoC devicetree updates from Olof Johansson:
 "As with previous release, this continues to be among the largest
  branches we merge, with lots of new contents.

  New things for this release are among other things:

   - DTSI contents for the new SoCs supported in 3.16 (see SoC pull request)
   - Qualcomm APQ8064 and APQ8084 SoCs and eval boards
   - Nvidia Jetson TK1 development board (Tegra T124-based)

  Two new SoCs that didn't need enough new platform code to stand out
  enough for me to notice when writing the SoC tag, but that adds new DT
  contents are:

   - TI DRA72
   - Marvell Berlin 2Q"

* tag 'dt-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (500 commits)
  ARM: dts: add secure firmware support for exynos5420-arndale-octa
  ARM: dts: add pmu sysreg node to exynos3250
  ARM: dts: correct the usb phy node in exynos5800-peach-pi
  ARM: dts: correct the usb phy node in exynos5420-peach-pit
  ARM: dts: add dts files for exynos5410 and exynos5410-smdk5410
  ARM: dts: add dts files for exynos3250 SoC
  ARM: dts: add mfc node for exynos5800
  ARM: dts: add Vbus regulator for USB 3.0 on exynos5800-peach-pi
  ARM: dts: enable fimd for exynos5800-peach-pi
  ARM: dts: enable display controller for exynos5800-peach-pi
  ARM: dts: enable hdmi for exynos5800-peach-pi
  ARM: dts: add dts file for exynos5800-peach-pi board
  ARM: dts: add dts file for exynos5800 SoC
  ARM: dts: add dts file for exynos5260-xyref5260 board
  ARM: dts: add dts files for exynos5260 SoC
  ARM: dts: update watchdog node name in exynos5440
  ARM: dts: use key code macros on Origen and Arndale boards
  ARM: dts: enable RTC and WDT nodes on Origen boards
  ARM: dts: qcom: Add APQ8084-MTP board support
  ARM: dts: qcom: Add APQ8084 SoC support
  ...
 2014-06-02 16:34:00 -07:00
Linus Torvalds
7477838f2e ARM: SoC defconfig updates for 3.16 
A number of defconfig updates for 3.16. We have quite a few of these as
 new SoCs and drivers get supported, and we've started collecting them
 in one shared branch.
 
 We started halfway through the merge window so there'll be some small
 conflicts with other branches on nearby changes, but nothing major. Next
 cycle should be smoother.
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Merge tag 'defconfig-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into next

Pull ARM SoC defconfig updates from Olof Johansson:
 "A number of defconfig updates for 3.16.  We have quite a few of these
  as new SoCs and drivers get supported, and we've started collecting
  them in one shared branch.

  We started halfway through the merge window so there'll be some small
  conflicts with other branches on nearby changes, but nothing major.
  Next cycle should be smoother"

* tag 'defconfig-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: multi_v7_defconfig: Enable Exynos platform
  ARM: configs: update Allwinner options
  ARM: qcom: Enable GSBI driver in defconfig
  ARM: multi_v7_defconfig: Enable Zynq peripheral drivers
  ARM: at91/defconfig: sama5_defconfig: updated
  ARM: add drivers for Colibri T30 to multi_v7_defconfig
  ARM: configs: add CONFIG_MMC_SDHCI_PXAV3 to the multi_v7_defconfig
  ARM: configs: enable XHCI mvebu support in multi_v7_defconfig
  ARM: multi_v7: Add Allwinner reset drivers to multi_v7_defconfig
  ARM: sunxi: Add A31 reset driver to sunxi_defconfig
  ARM: config: Update msm_defconfig
  ARM: mvebu: enable MSI support in mvebu_v7_defconfig
  ARM: config: Add qcom_defconfig
  ARM: configs: enable XHCI mvebu support in mvebu_v7_defconfig
 2014-06-02 16:23:28 -07:00
Linus Torvalds
c67d9ce166 ARM: SoC board support updates for 3.16 
The bulk of this branch is updates for Renesas Shmobile. They are still
 doing some enablement for classic boards first, and then come up with DT
 bindings when they've had a chance to learn more about the hardware. Not
 necessarily a bad way to go about it, and they're looking at moving some
 of the temporary board code resulting from it to drivers/staging instead
 to avoid the churn here.
 
 As a result of the shmobile clock cleanups, we end up merging quite a
 bit of SH code here as well. We ended up merging it here instead of in
 the cleanup branch due to the other board changes depending on it.
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Merge tag 'boards-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into next

Pull ARM SoC board support updates from Olof Johansson:
 "The bulk of this branch is updates for Renesas Shmobile.  They are
  still doing some enablement for classic boards first, and then come up
  with DT bindings when they've had a chance to learn more about the
  hardware.  Not necessarily a bad way to go about it, and they're
  looking at moving some of the temporary board code resulting from it
  to drivers/staging instead to avoid the churn here.

  As a result of the shmobile clock cleanups, we end up merging quite a
  bit of SH code here as well.  We ended up merging it here instead of
  in the cleanup branch due to the other board changes depending on it"

* tag 'boards-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (130 commits)
  ARM: davinci: remove checks for CONFIG_USB_MUSB_PERIPHERAL
  ARM: add drivers for Colibri T30 to multi_v7_defconfig
  ARM: shmobile: Remove Genmai reference DTS
  ARM: shmobile: Let Genmai multiplatform boot with Genmai DTB
  ARM: shmobile: Sync Genmai DTS with Genmai reference DTS
  ARM: shmobile: genmai-reference: Remove legacy clock support
  ARM: shmobile: Remove non-multiplatform Genmai reference support
  ARM: configs: enable XHCI mvebu support in multi_v7_defconfig
  ARM: OMAP: replace checks for CONFIG_USB_GADGET_OMAP
  ARM: OMAP: AM3517EVM: remove check for CONFIG_PANEL_SHARP_LQ043T1DG01
  ARM: OMAP: SX1: remove check for CONFIG_SX1_OLD_FLASH
  ARM: OMAP: remove some dead code
  ARM: OMAP: omap3stalker: remove two Kconfig macros
  ARM: tegra: tegra_defconfig updates
  ARM: shmobile: r7s72100: use workaround for non DT-clocks
  ARM: shmobile: Add forward declaration of struct clk to silence warning
  ARM: shmobile: r7s72100: remove SPI DT clocks from legacy clock support
  ARM: shmobile: r7s72100: add spi clocks to dtsi
  ARM: shmobile: r7s72100: remove I2C DT clocks from legacy clock support
  ARM: shmobile: r7s72100: add i2c clocks to dtsi
  ...
 2014-06-02 16:21:41 -07:00
Linus Torvalds
825f4e0271 ARM: SoC updates for 3.16 (part 1) 
A quite large set of SoC updates this cycle. In no particular order:
 
 - Multi-cluster power management for Samsung Exynos, adding support for
   big.LITTLE CPU switching on EXYNOS5
 - SMP support for Marvell Armada 375 and 38x
 - SMP rework on Allwinner A31
 - Xilinx Zynq support for SOC_BUS, big endian
 - Marvell orion5x platform cleanup, modernizing the implementation and
   moving to DT.
 - _Finally_ moving Samsung Exynos over to support MULTIPLATFORM, so
   that their platform can be enabled in the same kernel binary as most
   of the other v7 platforms in the tree. \o/ The work isn't quite complete,
   there's some driver fixes still needed, but the basics now work.
 
 New SoC support added:
 - Freescale i.MX6SX
 - LSI Axxia AXM55xx SoCs
 - Samsung EXYNOS 3250, 5260, 5410, 5420 and 5800
 - STi STIH407
 
 Plus a large set of various smaller updates for different platforms. I'm
 probably missing some important one here.
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Merge tag 'soc-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into next

Pull part one of ARM SoC updates from Olof Johansson:
 "A quite large set of SoC updates this cycle.  In no particular order:

   - Multi-cluster power management for Samsung Exynos, adding support
     for big.LITTLE CPU switching on EXYNOS5

   - SMP support for Marvell Armada 375 and 38x

   - SMP rework on Allwinner A31

   - Xilinx Zynq support for SOC_BUS, big endian

   - Marvell orion5x platform cleanup, modernizing the implementation
     and moving to DT.

   - _Finally_ moving Samsung Exynos over to support MULTIPLATFORM, so
     that their platform can be enabled in the same kernel binary as
     most of the other v7 platforms in the tree.  \o/

     The work isn't quite complete, there's some driver fixes still
     needed, but the basics now work.

  New SoC support added:

   - Freescale i.MX6SX

   - LSI Axxia AXM55xx SoCs

   - Samsung EXYNOS 3250, 5260, 5410, 5420 and 5800

   - STi STIH407

  plus a large set of various smaller updates for different platforms.
  I'm probably missing some important one here"

* tag 'soc-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (281 commits)
  ARM: exynos: don't run exynos4 l2x0 setup on other platforms
  ARM: exynos: Fix "allmodconfig" build errors in mcpm and hotplug
  ARM: EXYNOS: mcpm rename the power_down_finish
  ARM: EXYNOS: Enable mcpm for dual-cluster exynos5800 SoC
  ARM: EXYNOS: Enable multi-platform build support
  ARM: EXYNOS: Consolidate Kconfig entries
  ARM: EXYNOS: Add support for EXYNOS5410 SoC
  ARM: EXYNOS: Support secondary CPU boot of Exynos3250
  ARM: EXYNOS: Add Exynos3250 SoC ID
  ARM: EXYNOS: Add 5800 SoC support
  ARM: EXYNOS: initial board support for exynos5260 SoC
  clk: exynos5410: register clocks using common clock framework
  ARM: debug: qcom: add UART addresses to Kconfig help for APQ8084
  ARM: sunxi: allow building without reset controller
  Documentation: devicetree: arm: sort enable-method entries
  ARM: rockchip: convert smp bringup to CPU_METHOD_OF_DECLARE
  clk: exynos5250: Add missing sysmmu clocks for DISP and ISP blocks
  ARM: dts: axxia: Add reset controller
  power: reset: Add Axxia system reset driver
  ARM: axxia: Adding defconfig for AXM55xx
  ...
 2014-06-02 16:15:12 -07:00
Linus Torvalds
0a58471541 ARM: SoC cleanups for 3.16 
Cleanups for 3.16. Among these are:
 
 - A bunch of misc cleanups for Broadcom platforms, mostly housekeeping
 - Enabling Common Clock Framework on the older s3c24xx Samsung chipsets
 - Cleanup of the Versatile Express system controller code, moving it to syscon
 - Power management cleanups for OMAP platforms
 
 + a handful of other cleanups across the place
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Merge tag 'cleanup-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into next

Pull ARM SoC cleanups from Olof Johansson:
 "Cleanups for 3.16.  Among these are:

   - a bunch of misc cleanups for Broadcom platforms, mostly
     housekeeping
   - enabling Common Clock Framework on the older s3c24xx Samsung
     chipsets
   - cleanup of the Versatile Express system controller code, moving it
     to syscon
   - power management cleanups for OMAP platforms

  plus a handful of other cleanups across the place"

* tag 'cleanup-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (87 commits)
  ARM: kconfig: allow PCI support to be selected with ARCH_MULTIPLATFORM
  clk: samsung: fix build error
  ARM: vexpress: refine dependencies for new code
  clk: samsung: clk-s3c2410-dlck: do not use PNAME macro as it declares __initdata
  cpufreq: exynos: Fix the compile error
  ARM: S3C24XX: move debug-macro.S into the common space
  ARM: S3C24XX: use generic DEBUG_UART_PHY/_VIRT in debug macro
  ARM: S3C24XX: trim down debug uart handling
  ARM: compressed/head.S: remove s3c24xx special case
  ARM: EXYNOS: Remove unnecessary inclusion of cpu.h
  ARM: EXYNOS: Migrate Exynos specific macros from plat to mach
  ARM: EXYNOS: Remove exynos_subsys registration
  ARM: EXYNOS: Remove duplicate lines in Makefile
  ARM: EXYNOS: use v7_exit_coherency_flush macro for cache disabling
  ARM: OMAP4: PRCM: remove references to cm-regbits-44xx.h from PRCM core files
  ARM: OMAP3/4: PRM: add support of late_init call to prm_ll_ops
  ARM: OMAP3/OMAP4: PRM: add prm_features flags and add IO wakeup under it
  ARM: OMAP3/4: PRM: provide io chain reconfig function through irq setup
  ARM: OMAP2+: PRM: remove unnecessary cpu_is_XXX calls from prm_init / exit
  ARM: OMAP2+: PRCM: cleanup some header includes
  ...
 2014-06-02 16:14:07 -07:00
Linus Torvalds
ff933a0817 ARM: SoC low-priority fixes for 3.16 
A small selection of fixes coming in late during the release cycle and
 not being critical enough for 3.15 inclusion.
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Merge tag 'fixes-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into next

Pull ARM SoC low-priority fixes from Olof Johansson:
 "A small selection of fixes coming in late during the release cycle and
  not being critical enough for 3.15 inclusion"

* tag 'fixes-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: shmobile: armadillo800eva: fixup HDMI sound flags setting
  ARM: msm: Silence readb/writeb warnings due to missing IOMEM()
  ARM: dts: am43xx: fix starting offset of NAND.filesystem MTD partition
  ARM: dts: am335x-boneblack: remove use of ti,vcc-aux-disable-is-sleep
  ARM: OMAP2+: free use_gptimer_clksrc variable after boot
  ARM: OMAP5: Redo THUMB mode switch on secondary CPU
  ARM: dts: AM4372: add l3-noc information
  ARM: dts: DRA7: Use dra7-l3-noc instead of omap4-l3-noc
  reset: Add of_reset_control_get to reset.h
 2014-06-02 16:13:34 -07:00
Linus Torvalds
80081ec309 Merge branch 'for-3.16/drivers' of git://git.kernel.dk/linux-block into next 
Pull block driver changes from Jens Axboe:
 "Now that the core bits are in, here's the pull request for the driver
  related changes for 3.16.  Nothing out of the ordinary here, mostly
  business as usual.  There are a few pulls of for-3.16/core into this
  branch, which were done when the blk-mq was modified after the
  mtip32xx conversion was put in.

  The pull request contains:

   - skd and cciss converted to use pci_enable_msix_exact().  From
     Alexander Gordeev.

   - A few mtip32xx fixes from Asai @ Micron.

   - The conversion of mtip32xx from make_request_fn to blk-mq, and a
     later small fix for that conversion on quiescing for non-queued IO.
     From me.

   - A fix for bsg to use an exported function to check whether this
     driver is request based or not.  Needed updating for blk-mq, which
     is request based, but does not have a request_fn hook.  From me.

   - Small floppy bug fix from Jiri.

   - A series of cleanups for the cdrom uniform layer from Joe Perches.
     Gets rid of various old ugly macros, making the code conform more
     to the modern coding style.

   - A series of patches for drbd from the drbd crew (Lars Ellenberg and
     Philipp Reisner).

   - A use-after-free fix for null_blk from Ming Lei.

   - Also from Ming Lei is a performance patch for virtio-blk, which can
     net us a 3x win on kvm platforms where world notification is
     expensive.

   - Ming Lei also fixed a stall issue in virtio-blk, due to a race
     between queue start/stop and resource limits.

   - A small batch of fixes for xen-blk{back,front} from Olaf Hering and
     Valentin Priescu"

* 'for-3.16/drivers' of git://git.kernel.dk/linux-block: (54 commits)
  block: virtio_blk: don't hold spin lock during world switch
  xen-blkback: defer freeing blkif to avoid blocking xenwatch
  xen blkif.h: fix comment typo in discard-alignment
  xen/blkback: disable discard feature if requested by toolstack
  xen-blkfront: remove type check from blkfront_setup_discard
  floppy: do not corrupt bio.bi_flags when reading block 0
  mtip32xx: move error handling to service thread
  virtio_blk: fix race between start and stop queue
  mtip32xx: stop block hardware queues before quiescing IO
  mtip32xx: blk_mq_init_queue() returns an ERR_PTR
  mtip32xx: convert to use blk-mq
  cdrom: Remove unnecessary prototype for cdrom_get_disc_info
  cdrom: Remove unnecessary prototype for cdrom_mrw_exit
  cdrom: Remove cdrom_count_tracks prototype
  cdrom: Remove cdrom_get_next_writeable prototype
  cdrom: Remove cdrom_get_last_written prototype
  cdrom: Move mmc_ioctls above cdrom_ioctl to remove unnecessary prototype
  cdrom: Remove unnecessary sanitize_format prototype
  cdrom: Remove unnecessary check_for_audio_disc prototype
  cdrom: Remove prototype for open_for_data
  ...
 2014-06-02 13:57:01 -07:00
Linus Torvalds
425553209b PCI changes for the v3.16 merge window: 
Enumeration
     - Notify driver before and after device reset (Keith Busch)
     - Use reset notification in NVMe (Keith Busch)
 
   NUMA
     - Warn if we have to guess host bridge node information (Myron Stowe)
     - Work around AMD Fam15h BIOSes that fail to provide _PXM (Suravee Suthikulpanit)
     - Clean up and mark early_root_info_init() as deprecated (Suravee Suthikulpanit)
 
   Driver binding
     - Add "driver_override" for force specific binding (Alex Williamson)
     - Fail "new_id" addition for devices we already know about (Bandan Das)
 
   Resource management
     - Support BAR sizes up to 8GB (Nikhil Rao, Alan Cox)
     - Don't move IORESOURCE_PCI_FIXED resources (Bjorn Helgaas)
     - Mark SBx00 HPET BAR as IORESOURCE_PCI_FIXED (Bjorn Helgaas)
     - Fail safely if we can't handle BARs larger than 4GB (Bjorn Helgaas)
     - Reject BAR above 4GB if dma_addr_t is too small (Bjorn Helgaas)
     - Don't convert BAR address to resource if dma_addr_t is too small (Bjorn Helgaas)
     - Don't set BAR to zero if dma_addr_t is too small (Bjorn Helgaas)
     - Don't print anything while decoding is disabled (Bjorn Helgaas)
     - Don't add disabled subtractive decode bus resources (Bjorn Helgaas)
     - Add resource allocation comments (Bjorn Helgaas)
     - Restrict 64-bit prefetchable bridge windows to 64-bit resources (Yinghai Lu)
     - Assign i82875p_edac PCI resources before adding device (Yinghai Lu)
 
   PCI device hotplug
     - Remove unnecessary "dev->bus" test (Bjorn Helgaas)
     - Use PCI_EXP_SLTCAP_PSN define (Bjorn Helgaas)
     - Fix rphahp endianess issues (Laurent Dufour)
     - Acknowledge spurious "cmd completed" event (Rajat Jain)
     - Allow hotplug service drivers to operate in polling mode (Rajat Jain)
     - Fix cpqphp possible NULL dereference (Rickard Strandqvist)
 
   MSI
     - Replace pci_enable_msi_block() by pci_enable_msi_exact() (Alexander Gordeev)
     - Replace pci_enable_msix() by pci_enable_msix_exact() (Alexander Gordeev)
     - Simplify populate_msi_sysfs() (Jan Beulich)
 
   Virtualization
     - Add Intel Patsburg (X79) root port ACS quirk (Alex Williamson)
     - Mark RTL8110SC INTx masking as broken (Alex Williamson)
 
   Generic host bridge driver
     - Add generic PCI host controller driver (Will Deacon)
 
   Freescale i.MX6
     - Use new clock names (Lucas Stach)
     - Drop old IRQ mapping (Lucas Stach)
     - Remove optional (and unused) IRQs (Lucas Stach)
     - Add support for MSI (Lucas Stach)
     - Fix imx6_add_pcie_port() section mismatch warning (Sachin Kamat)
 
   Renesas R-Car
     - Add gen2 device tree support (Ben Dooks)
     - Use new OF interrupt mapping when possible (Lucas Stach)
     - Add PCIe driver (Phil Edworthy)
     - Add PCIe MSI support (Phil Edworthy)
     - Add PCIe device tree bindings (Phil Edworthy)
 
   Samsung Exynos
     - Remove unnecessary OOM messages (Jingoo Han)
     - Fix add_pcie_port() section mismatch warning (Sachin Kamat)
 
   Synopsys DesignWare
     - Make MSI ISR shared IRQ aware (Lucas Stach)
 
   Miscellaneous
     - Check for broken config space aliasing (Alex Williamson)
     - Update email address (Ben Hutchings)
     - Fix Broadcom CNB20LE unintended sign extension (Bjorn Helgaas)
     - Fix incorrect vgaarb conditional in WARN_ON() (Bjorn Helgaas)
     - Remove unnecessary __ref annotations (Bjorn Helgaas)
     - Add arch/x86/kernel/quirks.c to MAINTAINERS PCI file patterns (Bjorn Helgaas)
     - Fix use of uninitialized MPS value (Bjorn Helgaas)
     - Tidy x86/gart messages (Bjorn Helgaas)
     - Fix return value from pci_user_{read,write}_config_*() (Gavin Shan)
     - Turn pcibios_penalize_isa_irq() into a weak function (Hanjun Guo)
     - Remove unused serial device IDs (Jean Delvare)
     - Use designated initialization in PCI_VDEVICE (Mark Rustad)
     - Fix powerpc NULL dereference in pci_root_buses traversal (Mike Qiu)
     - Configure MPS on ARM (Murali Karicheri)
     - Remove unnecessary includes of <linux/init.h> (Paul Gortmaker)
     - Move Open Firmware devspec attribute to PCI common code (Sebastian Ott)
     - Use pdev->dev.groups for attribute creation on s390 (Sebastian Ott)
     - Remove pcibios_add_platform_entries() (Sebastian Ott)
     - Add new ID for Intel GPU "spurious interrupt" quirk (Thomas Jarosch)
     - Rename pci_is_bridge() to pci_has_subordinate() (Yijing Wang)
     - Add and use new pci_is_bridge() interface (Yijing Wang)
     - Make pci_bus_add_device() void (Yijing Wang)
 
   DMA API
     - Clarify physical/bus address distinction in docs (Bjorn Helgaas)
     - Fix typos in docs (Emilio López)
     - Update dma_pool_create ()and dma_pool_alloc() descriptions (Gioh Kim)
     - Change dma_declare_coherent_memory() CPU address to phys_addr_t (Bjorn Helgaas)
     - Pass GAPSPCI_DMA_BASE CPU & bus address to dma_declare_coherent_memory() (Bjorn Helgaas)
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Merge tag 'pci-v3.16-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci into next

Pull PCI changes from Bjorn Helgaas:
 "Enumeration
    - Notify driver before and after device reset (Keith Busch)
    - Use reset notification in NVMe (Keith Busch)

  NUMA
    - Warn if we have to guess host bridge node information (Myron Stowe)
    - Work around AMD Fam15h BIOSes that fail to provide _PXM (Suravee
      Suthikulpanit)
    - Clean up and mark early_root_info_init() as deprecated (Suravee
      Suthikulpanit)

  Driver binding
    - Add "driver_override" for force specific binding (Alex Williamson)
    - Fail "new_id" addition for devices we already know about (Bandan
      Das)

  Resource management
    - Support BAR sizes up to 8GB (Nikhil Rao, Alan Cox)
    - Don't move IORESOURCE_PCI_FIXED resources (Bjorn Helgaas)
    - Mark SBx00 HPET BAR as IORESOURCE_PCI_FIXED (Bjorn Helgaas)
    - Fail safely if we can't handle BARs larger than 4GB (Bjorn Helgaas)
    - Reject BAR above 4GB if dma_addr_t is too small (Bjorn Helgaas)
    - Don't convert BAR address to resource if dma_addr_t is too small
      (Bjorn Helgaas)
    - Don't set BAR to zero if dma_addr_t is too small (Bjorn Helgaas)
    - Don't print anything while decoding is disabled (Bjorn Helgaas)
    - Don't add disabled subtractive decode bus resources (Bjorn Helgaas)
    - Add resource allocation comments (Bjorn Helgaas)
    - Restrict 64-bit prefetchable bridge windows to 64-bit resources
      (Yinghai Lu)
    - Assign i82875p_edac PCI resources before adding device (Yinghai Lu)

  PCI device hotplug
    - Remove unnecessary "dev->bus" test (Bjorn Helgaas)
    - Use PCI_EXP_SLTCAP_PSN define (Bjorn Helgaas)
    - Fix rphahp endianess issues (Laurent Dufour)
    - Acknowledge spurious "cmd completed" event (Rajat Jain)
    - Allow hotplug service drivers to operate in polling mode (Rajat Jain)
    - Fix cpqphp possible NULL dereference (Rickard Strandqvist)

  MSI
    - Replace pci_enable_msi_block() by pci_enable_msi_exact()
      (Alexander Gordeev)
    - Replace pci_enable_msix() by pci_enable_msix_exact() (Alexander Gordeev)
    - Simplify populate_msi_sysfs() (Jan Beulich)

  Virtualization
    - Add Intel Patsburg (X79) root port ACS quirk (Alex Williamson)
    - Mark RTL8110SC INTx masking as broken (Alex Williamson)

  Generic host bridge driver
    - Add generic PCI host controller driver (Will Deacon)

  Freescale i.MX6
    - Use new clock names (Lucas Stach)
    - Drop old IRQ mapping (Lucas Stach)
    - Remove optional (and unused) IRQs (Lucas Stach)
    - Add support for MSI (Lucas Stach)
    - Fix imx6_add_pcie_port() section mismatch warning (Sachin Kamat)

  Renesas R-Car
    - Add gen2 device tree support (Ben Dooks)
    - Use new OF interrupt mapping when possible (Lucas Stach)
    - Add PCIe driver (Phil Edworthy)
    - Add PCIe MSI support (Phil Edworthy)
    - Add PCIe device tree bindings (Phil Edworthy)

  Samsung Exynos
    - Remove unnecessary OOM messages (Jingoo Han)
    - Fix add_pcie_port() section mismatch warning (Sachin Kamat)

  Synopsys DesignWare
    - Make MSI ISR shared IRQ aware (Lucas Stach)

  Miscellaneous
    - Check for broken config space aliasing (Alex Williamson)
    - Update email address (Ben Hutchings)
    - Fix Broadcom CNB20LE unintended sign extension (Bjorn Helgaas)
    - Fix incorrect vgaarb conditional in WARN_ON() (Bjorn Helgaas)
    - Remove unnecessary __ref annotations (Bjorn Helgaas)
    - Add arch/x86/kernel/quirks.c to MAINTAINERS PCI file patterns
      (Bjorn Helgaas)
    - Fix use of uninitialized MPS value (Bjorn Helgaas)
    - Tidy x86/gart messages (Bjorn Helgaas)
    - Fix return value from pci_user_{read,write}_config_*() (Gavin Shan)
    - Turn pcibios_penalize_isa_irq() into a weak function (Hanjun Guo)
    - Remove unused serial device IDs (Jean Delvare)
    - Use designated initialization in PCI_VDEVICE (Mark Rustad)
    - Fix powerpc NULL dereference in pci_root_buses traversal (Mike Qiu)
    - Configure MPS on ARM (Murali Karicheri)
    - Remove unnecessary includes of <linux/init.h> (Paul Gortmaker)
    - Move Open Firmware devspec attribute to PCI common code (Sebastian Ott)
    - Use pdev->dev.groups for attribute creation on s390 (Sebastian Ott)
    - Remove pcibios_add_platform_entries() (Sebastian Ott)
    - Add new ID for Intel GPU "spurious interrupt" quirk (Thomas Jarosch)
    - Rename pci_is_bridge() to pci_has_subordinate() (Yijing Wang)
    - Add and use new pci_is_bridge() interface (Yijing Wang)
    - Make pci_bus_add_device() void (Yijing Wang)

  DMA API
    - Clarify physical/bus address distinction in docs (Bjorn Helgaas)
    - Fix typos in docs (Emilio López)
    - Update dma_pool_create ()and dma_pool_alloc() descriptions (Gioh Kim)
    - Change dma_declare_coherent_memory() CPU address to phys_addr_t
      (Bjorn Helgaas)
    - Pass GAPSPCI_DMA_BASE CPU & bus address to dma_declare_coherent_memory()
      (Bjorn Helgaas)"

* tag 'pci-v3.16-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (92 commits)
  MAINTAINERS: Add generic PCI host controller driver
  PCI: generic: Add generic PCI host controller driver
  PCI: imx6: Add support for MSI
  PCI: designware: Make MSI ISR shared IRQ aware
  PCI: imx6: Remove optional (and unused) IRQs
  PCI: imx6: Drop old IRQ mapping
  PCI: imx6: Use new clock names
  i82875p_edac: Assign PCI resources before adding device
  ARM/PCI: Call pcie_bus_configure_settings() to set MPS
  PCI: imx6: Fix imx6_add_pcie_port() section mismatch warning
  PCI: Make pci_bus_add_device() void
  PCI: exynos: Fix add_pcie_port() section mismatch warning
  PCI: Introduce new device binding path using pci_dev.driver_override
  PCI: rcar: Add gen2 device tree support
  PCI: cpqphp: Fix possible null pointer dereference
  PCI: rcar: Add R-Car PCIe device tree bindings
  PCI: rcar: Add MSI support for PCIe
  PCI: rcar: Add Renesas R-Car PCIe driver
  PCI: Fix return value from pci_user_{read,write}_config_*()
  PCI: exynos: Remove unnecessary OOM messages
  ...
 2014-06-02 12:15:19 -07:00
Linus Torvalds
681a289548 Merge branch 'for-3.16/core' of git://git.kernel.dk/linux-block into next 
Pull block core updates from Jens Axboe:
 "It's a big(ish) round this time, lots of development effort has gone
  into blk-mq in the last 3 months.  Generally we're heading to where
  3.16 will be a feature complete and performant blk-mq.  scsi-mq is
  progressing nicely and will hopefully be in 3.17.  A nvme port is in
  progress, and the Micron pci-e flash driver, mtip32xx, is converted
  and will be sent in with the driver pull request for 3.16.

  This pull request contains:

   - Lots of prep and support patches for scsi-mq have been integrated.
     All from Christoph.

   - API and code cleanups for blk-mq from Christoph.

   - Lots of good corner case and error handling cleanup fixes for
     blk-mq from Ming Lei.

   - A flew of blk-mq updates from me:

     * Provide strict mappings so that the driver can rely on the CPU
       to queue mapping.  This enables optimizations in the driver.

     * Provided a bitmap tagging instead of percpu_ida, which never
       really worked well for blk-mq.  percpu_ida relies on the fact
       that we have a lot more tags available than we really need, it
       fails miserably for cases where we exhaust (or are close to
       exhausting) the tag space.

     * Provide sane support for shared tag maps, as utilized by scsi-mq

     * Various fixes for IO timeouts.

     * API cleanups, and lots of perf tweaks and optimizations.

   - Remove 'buffer' from struct request.  This is ancient code, from
     when requests were always virtually mapped.  Kill it, to reclaim
     some space in struct request.  From me.

   - Remove 'magic' from blk_plug.  Since we store these on the stack
     and since we've never caught any actual bugs with this, lets just
     get rid of it.  From me.

   - Only call part_in_flight() once for IO completion, as includes two
     atomic reads.  Hopefully we'll get a better implementation soon, as
     the part IO stats are now one of the more expensive parts of doing
     IO on blk-mq.  From me.

   - File migration of block code from {mm,fs}/ to block/.  This
     includes bio.c, bio-integrity.c, bounce.c, and ioprio.c.  From me,
     from a discussion on lkml.

  That should describe the meat of the pull request.  Also has various
  little fixes and cleanups from Dave Jones, Shaohua Li, Duan Jiong,
  Fengguang Wu, Fabian Frederick, Randy Dunlap, Robert Elliott, and Sam
  Bradshaw"

* 'for-3.16/core' of git://git.kernel.dk/linux-block: (100 commits)
  blk-mq: push IPI or local end_io decision to __blk_mq_complete_request()
  blk-mq: remember to start timeout handler for direct queue
  block: ensure that the timer is always added
  blk-mq: blk_mq_unregister_hctx() can be static
  blk-mq: make the sysfs mq/ layout reflect current mappings
  blk-mq: blk_mq_tag_to_rq should handle flush request
  block: remove dead code in scsi_ioctl:blk_verify_command
  blk-mq: request initialization optimizations
  block: add queue flag for disabling SG merging
  block: remove 'magic' from struct blk_plug
  blk-mq: remove alloc_hctx and free_hctx methods
  blk-mq: add file comments and update copyright notices
  blk-mq: remove blk_mq_alloc_request_pinned
  blk-mq: do not use blk_mq_alloc_request_pinned in blk_mq_map_request
  blk-mq: remove blk_mq_wait_for_tags
  blk-mq: initialize request in __blk_mq_alloc_request
  blk-mq: merge blk_mq_alloc_reserved_request into blk_mq_alloc_request
  blk-mq: add helper to insert requests from irq context
  blk-mq: remove stale comment for blk_mq_complete_request()
  blk-mq: allow non-softirq completions
  ...
 2014-06-02 09:29:34 -07:00
Linus Torvalds
6c52486ded Updates for mmci driver: 
- Put the device into low power state at system suspend.
  - Convert to the common mmc DT parser.
  - Add missing DT bindings needed for ux500.
 
 Updates for ARM ux500|u300:
  - Convert to the common mmc DT bindings.
  - Remove redundant board file for mmci platform data.
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Merge tag 'mmc-v3.16-1' of git://git.linaro.org/people/ulf.hansson/mmc into next

Pull MMC update from Ulf Hansson:
 "These patches are mainly updates for the mmci driver and have been
  tested in linux-next.

  Some ARM SoC related patches are also included and those have been
  acked from the corresponding maintainers to go through my mmc tree.

  Updates for mmci driver:
   - Put the device into low power state at system suspend.
   - Convert to the common mmc DT parser.
   - Add missing DT bindings needed for ux500.

  Updates for ARM ux500|u300:
   - Convert to the common mmc DT bindings.
   - Remove redundant board file for mmci platform data"

* tag 'mmc-v3.16-1' of git://git.linaro.org/people/ulf.hansson/mmc: (22 commits)
  mmc: mmci: Enforce DMA configuration through DT
  mmc: mmci: Enforce max frequency configuration through DT
  mmc: mmci: Enforce mmc capabilities through DT
  mmc: mmci: Enforce DT for signal direction and feedback clock
  ARM: ux500: Remove redundant board file for mmci platform data
  ARM: ux500: Add a vmmc regulator through DT for the poped eMMC for href
  ARM: ux500: Add the mmc capabilities flags to DT
  mmc: mmci: Enable MMC_CAP_CMD23
  mmc: mmci: Mark the DT bindings for highspeed mode as deprecated
  ARM: u300: Convert to the common mmc DT bindings for highspeed mode
  ARM: nomadik: Convert to the common mmc DT bindings for highspeed mode
  ARM: ux500: Convert to the common mmc DT bindings for highspeed mode
  ARM: ux500: Add mmci signal directions and feeback clock in DT for href
  mmc: mmci: Use the common mmc DT parser
  mmc: mmci: Add DT bindings for feedback clock pin
  mmc: mmci: Add DT bindings for signal direction
  mmc: mmci: Update DT documentation
  mmc: mmci: Convert to devm functions
  mmc: mmci: Convert to the mmc gpio API
  mmc: mmci: Put the device into low power state at system suspend
  ...
 2014-06-02 09:22:24 -07:00
Linus Torvalds
c9733c79f4 HSI changes for the v3.16 series: 
- Add some documentation for the HSI subsystem
 
  - Add Device Tree support for the HSI subsystem
 
  - Add OMAP3 SSI driver (SSI is a legacy variant of HSI)
 
  - Add Nokia N900 Modem driver (without speech support for now)
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Merge tag 'hsi-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi into next

Pull HSI (High Speed Syncronous Interface) changes from Sebastian Reichel:
 "Please pull the following changes for the HSI subsystem, which I have
  taken over from Carlos Chinea <carlos.chinea@nokia.com>.

  The below patches have been worked on in the linux-omap mailinglist
  for 10 months and are well tested in linux-next (have been in there
  for more than two weeks) without any problems arising.  Apart from
  that potential regressions are very limited, because the subsystem is
  not yet used by any platform in the mainline kernel.

   - Add some documentation for the HSI subsystem

   - Add Device Tree support for the HSI subsystem

   - Add OMAP3 SSI driver (SSI is a legacy variant of HSI)

   - Add Nokia N900 Modem driver (without speech support for now)"

* tag 'hsi-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi:
  HSI: Introduce Nokia N900 modem driver
  HSI: Introduce driver for SSI Protocol
  Documentation: DT: omap-ssi binding documentation
  HSI: Introduce OMAP SSI driver
  HSI: Add common DT binding for HSI client devices
  HSI: export method to (un)register clients
  HSI: Add channel resource support to HSI clients
  HSI: method to unregister clients from an hsi port
  HSI: hsi-char: fix driver for multiport scenarios
  MAINTAINERS: update HSI entry
  Documentation: HSI: Add some general description for the HSI subsystem
 2014-06-02 09:13:58 -07:00
Linus Torvalds
6885a7f1ed Two small fixlets. 
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Merge tag 'edac_for_3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp into next

Pull EDAC changes from Borislav Petkov:
 "Just two small fixlets.

  We have more in the pipe but we didn't get ready in time so more stuff
  next time"

* tag 'edac_for_3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
  EDAC: Fix MC scrub mode comparsion bug for correctable errors
  EDAC, MCE, AMD: Remove leftover unused mask
 2014-06-02 08:59:46 -07:00
Linus Torvalds
80fb974798 This is the bulk of GPIO changes for the v3.16 series: 
- We are finalizing and fixing up the gpiochip irqchip helpers
   bringing a helpful irqchip implementation into the gpiolib
   core and avoiding duplicate code and, more importantly,
   duplicate bug fixes:
 
   - Support for using the helpers with threaded interrupt
     handlers as used on sleeping GPIO-irqchips
 
   - Do not set up hardware triggers for edges or levels if
     the default IRQ type is IRQ_TYPE_NONE - some drivers
     would exploit the fact that you could get default
     initialization of the IRQ type from the core at probe()
     but if no default type is set up from the helper, we
     should not call the driver to configure anything. Wait
     until a consumer requests the interrupt instead.
 
   - Make the irqchip helpers put the GPIO irqs into their
     own lock class. The GPIO irqchips can often emit
     (harmless, but annoying) lockdep warnings about recursions
     when they are in fact just cascaded IRQs. By putting
     them into their own lock class we help the lockdep core
     to keep track of things.
 
   - Switch the tc3589x GPIO expanders to use the irqchip
     helpers
 
   - Switch the OMAP GPIO driver to use the irqchip helpers
 
   - Add some documentation for the irqchip helpers
 
   - select IRQ_DOMAIN when using the helpers since some
     platforms may not be using this by default and it's a
     strict dependency.
 
 - Continued GPIO descriptor refactoring:
 
   - Remove the one instance of gpio_to_desc() from the
     device tree code, making the OF GPIO code use GPIO
     descriptors only.
 
   - Introduce gpiod_get_optional() and
     gpiod_get_optional_index() akin to the similar
     regulator functions for cases where the use of GPIO
     is optional and not strictly required.
 
   - Make of_get_named_gpiod_flags() private - we do not
     want to unnecessarily expose APIs to drivers that
     make the gpiolib harder than necessary to maintain
     and refactor. Privatize this function.
 
 - Support "-gpio" suffix for the OF GPIO retrieveal path.
   We used to look for "foo-gpios" or just "gpios" in device
   tree nodes, but it turns out that some drivers with a
   single GPIO line will just state "foo-gpio" (singularis).
   Sigh. Support this with a fallback looking for it, as
   this simplifies driver code and handles it in core code.
 
 - Switch the ACPI GPIO core to fetch GPIOs with the
   *_cansleep function variants as the GPIO operation
   region handler can sleep, and shall be able to handle
   gpiochips that sleep.
 
 - Tons of cleanups and janitorial work from Jingoo Han,
   Axel Lin, Javier Martinez Canillas and Abdoulaye Berthe.
   Notably Jingoo cut off a ton of pointless OOM messages.
 
 - Incremental development and fixes for various drivers,
   nothing really special here.
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Merge tag 'gpio-v3.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio into next

Pull GPIO updates from Linus Walleij:
 "This is the bulk of GPIO changes for the v3.16 series.

  There is a lot of action in the GPIO subsystem doing refactorings and
  cleanups, almost as many deletions as insertions and minor feature
  growth and no new drivers this time.  Which is actually pretty nice.
  Some GPIO-related stuff will come in through the pin control tree as
  well.

  Details:

   - We are finalizing and fixing up the gpiochip irqchip helpers
     bringing a helpful irqchip implementation into the gpiolib core and
     avoiding duplicate code and, more importantly, duplicate bug fixes:

     * Support for using the helpers with threaded interrupt handlers as
       used on sleeping GPIO-irqchips

     * Do not set up hardware triggers for edges or levels if the
       default IRQ type is IRQ_TYPE_NONE - some drivers would exploit
       the fact that you could get default initialization of the IRQ
       type from the core at probe() but if no default type is set up
       from the helper, we should not call the driver to configure
       anything.  Wait until a consumer requests the interrupt instead.

     * Make the irqchip helpers put the GPIO irqs into their own lock
       class.  The GPIO irqchips can often emit (harmless, but annoying)
       lockdep warnings about recursions when they are in fact just
       cascaded IRQs.  By putting them into their own lock class we help
       the lockdep core to keep track of things.

     * Switch the tc3589x GPIO expanders to use the irqchip helpers

     * Switch the OMAP GPIO driver to use the irqchip helpers

     * Add some documentation for the irqchip helpers

     * select IRQ_DOMAIN when using the helpers since some platforms may
       not be using this by default and it's a strict dependency.

   - Continued GPIO descriptor refactoring:

     * Remove the one instance of gpio_to_desc() from the device tree
       code, making the OF GPIO code use GPIO descriptors only.

     * Introduce gpiod_get_optional() and gpiod_get_optional_index()
       akin to the similar regulator functions for cases where the use
       of GPIO is optional and not strictly required.

     * Make of_get_named_gpiod_flags() private - we do not want to
       unnecessarily expose APIs to drivers that make the gpiolib harder
       than necessary to maintain and refactor.  Privatize this
       function.

   - Support "-gpio" suffix for the OF GPIO retrieveal path.  We used to
     look for "foo-gpios" or just "gpios" in device tree nodes, but it
     turns out that some drivers with a single GPIO line will just state
     "foo-gpio" (singularis).  Sigh.  Support this with a fallback
     looking for it, as this simplifies driver code and handles it in
     core code.

   - Switch the ACPI GPIO core to fetch GPIOs with the *_cansleep
     function variants as the GPIO operation region handler can sleep,
     and shall be able to handle gpiochips that sleep.

   - Tons of cleanups and janitorial work from Jingoo Han, Axel Lin,
     Javier Martinez Canillas and Abdoulaye Berthe.  Notably Jingoo cut
     off a ton of pointless OOM messages.

   - Incremental development and fixes for various drivers, nothing
     really special here"

* tag 'gpio-v3.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (85 commits)
  gpio: select IRQ_DOMAIN for gpiolib irqchip helpers
  gpio: pca953x: use gpiolib irqchip helpers
  gpio: pcf857x: Add IRQF_SHARED when request irq
  gpio: pcf857x: Avoid calling irq_domain_cleanup twice
  gpio: mcp23s08: switch chip count to int
  gpio: dwapb: use a second irq chip
  gpio: ep93xx: Use devm_ioremap_resource()
  gpio: mcp23s08: fixed count variable for devicetree probing
  gpio: Add run-time dependencies to R-Car driver
  gpio: pch: add slab include
  Documentation / ACPI: Fix location of GPIO documentation
  gpio / ACPI: use *_cansleep version of gpiod_get/set APIs
  gpio: generic: add request function pointer
  gpio-pch: Fix Kconfig dependencies
  gpio: make of_get_named_gpiod_flags() private
  gpio: gpioep93xx: use devm functions
  gpio: janzttl: use devm function
  gpio: timberdale: use devm functions
  gpio: bt8xx: use devm function for memory allocation
  gpio: include linux/bug.h in interface header
  ...
 2014-06-02 08:46:03 -07:00
Linus Torvalds
9f888b3a10 xen: features and fixes for 3.16-rc0 
- Support foreign mappings in PVH domains (needed when dom0 is PVH)
 
 - Fix mapping high MMIO regions in x86 PV guests (this is also the
   first half of removing the PAGE_IOMAP PTE flag).
 
 - ARM suspend/resume support.
 
 - ARM multicall support.
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Merge tag 'stable/for-linus-3.16-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip into next

Pull Xen updates from David Vrabel:
 "xen: features and fixes for 3.16-rc0
   - support foreign mappings in PVH domains (needed when dom0 is PVH)

   - fix mapping high MMIO regions in x86 PV guests (this is also the
     first half of removing the PAGE_IOMAP PTE flag).

   - ARM suspend/resume support.

   - ARM multicall support"

* tag 'stable/for-linus-3.16-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  x86/xen: map foreign pfns for autotranslated guests
  xen-acpi-processor: Don't display errors when we get -ENOSYS
  xen/pciback: Document the entry points for 'pcistub_put_pci_dev'
  xen/pciback: Document when the 'unbind' and 'bind' functions are called.
  xen-pciback: Document when we FLR an PCI device.
  xen-pciback: First reset, then free.
  xen-pciback: Cleanup up pcistub_put_pci_dev
  x86/xen: do not use _PAGE_IOMAP in xen_remap_domain_mfn_range()
  x86/xen: set regions above the end of RAM as 1:1
  x86/xen: only warn once if bad MFNs are found during setup
  x86/xen: compactly store large identity ranges in the p2m
  x86/xen: fix set_phys_range_identity() if pfn_e > MAX_P2M_PFN
  x86/xen: rename early_p2m_alloc() and early_p2m_alloc_middle()
  xen/x86: set panic notifier priority to minimum
  arm,arm64/xen: introduce HYPERVISOR_suspend()
  xen: refactor suspend pre/post hooks
  arm: xen: export HYPERVISOR_multicall to modules.
  arm64: introduce virt_to_pfn
  arm/xen: Remove definiition of virt_to_pfn in asm/xen/page.h
  arm: xen: implement multicall hypercall support.
 2014-06-02 08:24:12 -07:00
Linus Torvalds
5d70dacd4e Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k into next 
Pull m68k updates from Geert Uytterhoeven:
 "Highlights:
   - support for running kernels in fast TT-RAM instead of slow ST-RAM
     on Atari
   - multi-platform EARLY_PRINTK
   - better support for machines with lots of RAM (think ARAnyM), and
     for running kernels larger than 4 MiB (think multi-platform)"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
  m68k/hp300: Convert printk to pr_foo()
  m68k/apollo: Convert printk to pr_foo()
  m68k/amiga: Convert printk(foo to pr_foo()
  m68k: Increase initial mapping to 8 or 16 MiB if possible
  m68k: Update defconfigs for v3.15-rc2
  m68k/atari: fix SCC initialization for debug console
  m68k/mvme16x: Adopt common boot console
  m68k: Multi-platform EARLY_PRINTK
  m68k: Toward platform agnostic framebuffer debug logging
  m68k/atari - atari_scsi: use correct virt/phys translation for DMA buffer
  m68k/atari - ataflop: use correct virt/phys translation for DMA buffer
  m68k/atari - atafb: convert allocation of fb ram to new interface
  m68k/atari - stram: alloc ST-RAM pool even if kernel not in ST-RAM
 2014-06-02 08:03:34 -07:00
Ulf Hansson
8c3a05b489 mmc: mmci: Enforce DMA configuration through DT 
Remove the option to provide DMA configuration as platform data,
enforce it through DT.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Roland Stigge <stigge@antcom.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
 2014-06-02 11:20:25 +02:00
Linus Torvalds
fad01e866a Linux 3.15-rc8 2014-06-01 19:12:24 -07:00
Linus Torvalds
204fe0380b Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 
Pull powerpc fix from Ben Herrenschmidt:
 "Here's just one trivial patch to wire up sys_renameat2 which I seem to
  have completely missed so far.

  (My test build scripts fwd me warnings but miss the ones generated for
  missing syscalls)"

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc: Wire renameat2() syscall
 2014-06-01 18:30:07 -07:00
Linus Torvalds
568180a517 Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 
Pull MIPS fixes from Ralf Baechle:
 "A fair number of fixes across the field.  Nothing terribly
  complicated; the one liners in below changelog should be fairly
  descriptive.

  Noteworthy is the SB1 change which the result of changes to binutils
  resulting in one big gas warning for most files being assembled as
  well as the asid_cache and branch emulation fixes which fix corruption
  or possible uninteded behaviour of kernel or application code.  The
  remainder of fixes are more platforms or subsystem specific"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  MIPS: R46000: Fix Micro-assembler field overflow for R4600 V2
  MIPS: ptrace: Avoid smp_processor_id() in preemptible code
  MIPS: Lemote 2F: cs5536: mfgpt: use raw locks
  MIPS: SB1: Fix excessive kernel warnings.
  MIPS: RC32434: fix broken PCI resource initialization
  MIPS: malta: memory.c: Initialize the 'memsize' variable
  MIPS: Fix typo when reporting cache and ftlb errors for ImgTec cores
  MIPS: Fix inconsistancy of __NR_Linux_syscalls value
  MIPS: Fix branch emulation of branch likely instructions.
  MIPS: Fix a typo error in AUDIT_ARCH definition
  MIPS: Change type of asid_cache to unsigned long
 2014-06-01 18:28:58 -07:00
Linus Torvalds
32439700fe Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull scheduler fixes from Ingo Molnar:
 "Various fixlets, mostly related to the (root-only) SCHED_DEADLINE
  policy, but also a hotplug bug fix and a fix for a NR_CPUS related
  overallocation bug causing a suspend/resume regression"

* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched: Fix hotplug vs. set_cpus_allowed_ptr()
  sched/cpupri: Replace NR_CPUS arrays
  sched/deadline: Replace NR_CPUS arrays
  sched/deadline: Restrict user params max value to 2^63 ns
  sched/deadline: Change sched_getparam() behaviour vs SCHED_DEADLINE
  sched: Disallow sched_attr::sched_policy < 0
  sched: Make sched_setattr() correctly return -EFBIG
 2014-06-01 18:26:59 -07:00
Benjamin Herrenschmidt
8212f58a9b powerpc: Wire renameat2() syscall 
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
 2014-06-02 09:24:27 +10:00
Olof Johansson
b5b9324a62 ARM: exynos: don't run exynos4 l2x0 setup on other platforms 
This was caught by a panic on Broadcom mobile platforms.

Note that this code is all going away with the pending l2x0 cleanup
series from Russell, but we need this here until that's landed so we
can enable exynos multiplatform.

Signed-off-by: Olof Johansson <olof@lixom.net>
 2014-05-31 10:18:13 -07:00
Linus Torvalds
a4bf79eb6a Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull core futex/rtmutex fixes from Thomas Gleixner:
 "Three fixlets for long standing issues in the futex/rtmutex code
  unearthed by Dave Jones syscall fuzzer:

   - Add missing early deadlock detection checks in the futex code
   - Prevent user space from attaching a futex to kernel threads
   - Make the deadlock detector of rtmutex work again

  Looks large, but is more comments than code change"

* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  rtmutex: Fix deadlock detector for real
  futex: Prevent attaching to kernel threads
  futex: Add another early deadlock detection check
 2014-05-31 09:47:55 -07:00
Linus Torvalds
80e0679469 Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux 
Pull drm fixes from Dave Airlie:
 "Mostly quiet now:

  i915:
    fixing userspace visiblie issues, all stable marked

  radeon:
    one more pll fix, two crashers, one suspend/resume regression"

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/radeon: Resume fbcon last
  drm/radeon: only allocate necessary size for vm bo list
  drm/radeon: don't allow RADEON_GEM_DOMAIN_CPU for command submission
  drm/radeon: avoid crash if VM command submission isn't available
  drm/radeon: lower the ref * post PLL maximum once more
  drm/i915: Prevent negative relocation deltas from wrapping
  drm/i915: Only copy back the modified fields to userspace from execbuffer
  drm/i915: Fix dynamic allocation of physical handles
 2014-05-31 09:19:02 -07:00
Linus Torvalds
9f12600fe4 dcache: add missing lockdep annotation 
lock_parent() very much on purpose does nested locking of dentries, and
is careful to maintain the right order (lock parent first).  But because
it didn't annotate the nested locking order, lockdep thought it might be
a deadlock on d_lock, and complained.

Add the proper annotation for the inner locking of the child dentry to
make lockdep happy.

Introduced by commit 046b961b45 ("shrink_dentry_list(): take parent's
->d_lock earlier").

Reported-and-tested-by: Josh Boyer <jwboyer@fedoraproject.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2014-05-31 09:13:21 -07:00
Abhilash Kesavan
4081503b43 ARM: exynos: Fix "allmodconfig" build errors in mcpm and hotplug 
This fixes the following build errors:

/tmp/ccRbZlaA.s: Assembler messages:
/tmp/ccRbZlaA.s:69: Error: selected processor does not support ARM mode `isb '
/tmp/ccRbZlaA.s:75: Error: selected processor does not support ARM mode `isb '
/tmp/ccRbZlaA.s:76: Error: selected processor does not support ARM mode `dsb '
make[1]: *** [arch/arm/mach-exynos/hotplug.o] Error 1

/tmp/ccJEg4jw.s: Assembler messages:
/tmp/ccJEg4jw.s:454: Error: selected processor does not support ARM mode `isb'
/tmp/ccJEg4jw.s:455: Error: selected processor does not support ARM mode `dsb'
/tmp/ccJEg4jw.s:465: Error: selected processor does not support ARM mode `isb'
/tmp/ccJEg4jw.s:474: Error: selected processor does not support ARM mode `isb'
/tmp/ccJEg4jw.s:475: Error: selected processor does not support ARM mode `dsb'
/tmp/ccJEg4jw.s:516: Error: selected processor does not support ARM mode `isb'
/tmp/ccJEg4jw.s:525: Error: selected processor does not support ARM mode `isb'
/tmp/ccJEg4jw.s:526: Error: selected processor does not support ARM mode `dsb'
make[1]: *** [arch/arm/mach-exynos/mcpm-exynos.o] Error 1

Reported-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Tested-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
 2014-05-30 22:09:54 -07:00
Sachin Kamat
c6ac44878d ARM: multi_v7_defconfig: Enable Exynos platform 
Enable Exynos platform and its related IPs for multi_v7_defconfig.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
 2014-05-30 21:52:18 -07:00
Olof Johansson
45e70b7d48 Samsung 2nd drivers for 3.16 
This is including fix exynos cpufreq driver compilation with
 ARCH_MULTIPLATFORM. Even though this is a work around, this
 is required for support exynos multiplatform for a while and
 will be updated in near future.
 
 This is based on tags/samsung-exynos.
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Merge tag 'samsung-drivers-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/drivers

Merge "Samsung 2nd drivers for 3.16" from Kukjin Kim:

This is including fix exynos cpufreq driver compilation with
ARCH_MULTIPLATFORM. Even though this is a work around, this
is required for support exynos multiplatform for a while and
will be updated in near future.

This is based on tags/samsung-exynos.

* tag 'samsung-drivers-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (24 commits)
  cpufreq: exynos: Fix driver compilation with ARCH_MULTIPLATFORM
  ARM: EXYNOS: Enable multi-platform build support
  ARM: EXYNOS: Consolidate Kconfig entries
  ARM: EXYNOS: Add support for EXYNOS5410 SoC
  ARM: EXYNOS: Support secondary CPU boot of Exynos3250
  ARM: EXYNOS: Add Exynos3250 SoC ID
  ARM: EXYNOS: Add 5800 SoC support
  ARM: EXYNOS: initial board support for exynos5260 SoC
  clk: exynos5250: Add missing sysmmu clocks for DISP and ISP blocks
  cpufreq: exynos: Fix the compile error
  ARM: S3C24XX: move debug-macro.S into the common space
  ARM: S3C24XX: use generic DEBUG_UART_PHY/_VIRT in debug macro
  ARM: S3C24XX: trim down debug uart handling
  ARM: compressed/head.S: remove s3c24xx special case
  ARM: EXYNOS: Remove unnecessary inclusion of cpu.h
  ARM: EXYNOS: Migrate Exynos specific macros from plat to mach
  ARM: EXYNOS: Remove exynos_subsys registration
  ARM: EXYNOS: Remove duplicate lines in Makefile
  ARM: EXYNOS: use v7_exit_coherency_flush macro for cache disabling
  ARM: dts: Remove g2d_pd node for exynos5420
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
 2014-05-30 21:48:39 -07:00
Olof Johansson
fe61f9fd52 Exynos 2nd MCPM updates for v3.16 
- enable mcpm for dual-cluster exynos5800
 - since commit 166aaf39 ("ARM: 8029/1: mcpm: Rename the
   power_down_finish() functions to be less confusing"),
   use new member name wait_for_cpu_powerdown.
 
 This is based on tags/exynos-mcpm.
 
 Note that since the commit 166aaf39 is in rmk tree so this
 should be sent to upstream after that in 3.16 merge window.
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Merge tag 'exynos-mcpm-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc

Merge "Exynos 2nd MCPM updates for v3.16" from Kukjin Kim:

- enable mcpm for dual-cluster exynos5800
- since commit 166aaf39 ("ARM: 8029/1: mcpm: Rename the
  power_down_finish() functions to be less confusing"),
  use new member name wait_for_cpu_powerdown.

This is based on tags/exynos-mcpm.

Note that since the commit 166aaf39 is in rmk tree so this
should be sent to upstream after that in 3.16 merge window.

* tag 'exynos-mcpm-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: EXYNOS: mcpm rename the power_down_finish
  ARM: EXYNOS: Enable mcpm for dual-cluster exynos5800 SoC

Signed-off-by: Olof Johansson <olof@lixom.net>
 2014-05-30 21:45:47 -07:00
Olof Johansson
fe388fac0f Samsung Exynos updates for 3.16 
- add new SoCs support
   : exynos3250, 5260, 5410 and 5800
 
 - enable multi-platform on exynos
   : consolidate exynos related Kconfig entries
 
 Note that this requires tags/samsung-cleanup and tags/samsung-clk-2
 because of mostly migration exynos specific macros into mach-exynos
 and exynos related Kconfig entries.
 
 One more merge conflict happens in arch/arm/Kconfig for ARCH_EXYNOS
 due to SRAM stuff, even though tried to sort them out. Since just
 resolving it would be better I think, please remove ARCH_EXYNOS in
 arch/arm/Kconfig when merge conflict happens.
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Merge tag 'samsung-exynos' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc

Samsung Exynos updates for 3.16

- add new SoCs support
  : exynos3250, 5260, 5410 and 5800

- enable multi-platform on exynos
  : consolidate exynos related Kconfig entries

* tag 'samsung-exynos' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (22 commits)
  ARM: EXYNOS: Enable multi-platform build support
  ARM: EXYNOS: Consolidate Kconfig entries
  ARM: EXYNOS: Add support for EXYNOS5410 SoC
  ARM: EXYNOS: Support secondary CPU boot of Exynos3250
  ARM: EXYNOS: Add Exynos3250 SoC ID
  ARM: EXYNOS: Add 5800 SoC support
  ARM: EXYNOS: initial board support for exynos5260 SoC
  cpufreq: exynos: Fix the compile error
  ARM: S3C24XX: move debug-macro.S into the common space
  ARM: S3C24XX: use generic DEBUG_UART_PHY/_VIRT in debug macro
  ARM: S3C24XX: trim down debug uart handling
  ARM: compressed/head.S: remove s3c24xx special case
  ARM: EXYNOS: Remove unnecessary inclusion of cpu.h
  ARM: EXYNOS: Migrate Exynos specific macros from plat to mach
  ARM: EXYNOS: Remove exynos_subsys registration
  ARM: EXYNOS: Remove duplicate lines in Makefile
  ARM: EXYNOS: use v7_exit_coherency_flush macro for cache disabling
  ARM: dts: Remove g2d_pd node for exynos5420
  ARM: dts: Remove mau_pd node for exynos5420
  ARM: exynos_defconfig: enable HS-I2C to fix for mmc partition mount
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
 2014-05-30 21:44:49 -07:00
Olof Johansson
0f16aa3c24 Samsung 3rd DT updates for v3.16 
- add dts files support for new SoCs
   : exynos3250 SoC
   : exynos5260 SoC and exynos5260-xyref5260 board
   : exynos5410 SoC and exynos5410-smdk5410 board
   : exynos5800 SoC and exynos5800-peach-pi board
 
 - exynos4210-origen and exynos4412-origen
   : enable RTC and WDT nodes
   : use key code macros
 
 - exynos5250-arndale
   : use key code macros
 
 - exynos5420-arndale-octa
   : add secure firmware support
 
 - exynos5440
   : update watchdog node name
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Merge tag 'samsung-dt-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/dt

Merge "Samsung 3rd DT updates for v3.16" from Kukjin Kim:

- add dts files support for new SoCs
  : exynos3250 SoC
  : exynos5260 SoC and exynos5260-xyref5260 board
  : exynos5410 SoC and exynos5410-smdk5410 board
  : exynos5800 SoC and exynos5800-peach-pi board

- exynos4210-origen and exynos4412-origen
  : enable RTC and WDT nodes
  : use key code macros

- exynos5250-arndale
  : use key code macros

- exynos5420-arndale-octa
  : add secure firmware support

- exynos5440
  : update watchdog node name

* tag 'samsung-dt-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: dts: add secure firmware support for exynos5420-arndale-octa
  ARM: dts: add pmu sysreg node to exynos3250
  ARM: dts: correct the usb phy node in exynos5800-peach-pi
  ARM: dts: correct the usb phy node in exynos5420-peach-pit
  ARM: dts: add dts files for exynos5410 and exynos5410-smdk5410
  ARM: dts: add dts files for exynos3250 SoC
  ARM: dts: add mfc node for exynos5800
  ARM: dts: add Vbus regulator for USB 3.0 on exynos5800-peach-pi
  ARM: dts: enable fimd for exynos5800-peach-pi
  ARM: dts: enable display controller for exynos5800-peach-pi
  ARM: dts: enable hdmi for exynos5800-peach-pi
  ARM: dts: add dts file for exynos5800-peach-pi board
  ARM: dts: add dts file for exynos5800 SoC
  ARM: dts: add dts file for exynos5260-xyref5260 board
  ARM: dts: add dts files for exynos5260 SoC
  ARM: dts: update watchdog node name in exynos5440
  ARM: dts: use key code macros on Origen and Arndale boards
  ARM: dts: enable RTC and WDT nodes on Origen boards

Signed-off-by: Olof Johansson <olof@lixom.net>
 2014-05-30 21:21:10 -07:00
Olof Johansson
8792f59213 Samsung 3rd clock updates for 3.16 
- add clock for new exynos5410 SoC
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Merge tag 'samsung-clk-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc

Merge "Samsung 3rd clock updates for 3.16" from Kukjin Kim:

- add clock for new exynos5410 SoC

* tag 'samsung-clk-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  clk: exynos5410: register clocks using common clock framework

Signed-off-by: Olof Johansson <olof@lixom.net>
 2014-05-30 21:18:55 -07:00
Olof Johansson
b5de1ce01a Qualcomm ARM Based driver Updates for v3.16-2 
* Updated MSM uart driver to not access GSBI control registers
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Merge tag 'qcom-drivers-for-3.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom into next/drivers

Merge "Qualcomm ARM Based driver Updates for v3.16-2" from Kumar Gala:

* Updated MSM uart driver to not access GSBI control registers

* tag 'qcom-drivers-for-3.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom:
  tty: serial: msm: Remove direct access to GSBI

Signed-off-by: Olof Johansson <olof@lixom.net>
 2014-05-30 20:55:45 -07:00
Olof Johansson
b4c48e8780 Qualcomm ARM Based SoC Updates for v3.16-2 
* Updated Kconfig DEBUG_QCOM_UARTDM help to include APQ8084 info
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Merge tag 'qcom-soc-for-3.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom into next/soc

Merge "Qualcomm ARM Based SoC Updates for v3.16-2" from Kumar Gala:

* Updated Kconfig DEBUG_QCOM_UARTDM help to include APQ8084 info

* tag 'qcom-soc-for-3.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom:
  ARM: debug: qcom: add UART addresses to Kconfig help for APQ8084

Signed-off-by: Olof Johansson <olof@lixom.net>
 2014-05-30 20:34:23 -07:00
Olof Johansson
61c324b4c1 Qualcomm ARM Based defconfig Updates for v3.16-2 
* Enable qcom GSBI driver
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Merge tag 'qcom-defconfig-for-3.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom into next/defconfig

Merge "Qualcomm ARM Based defconfig Updates for v3.16-2" from Kumar Gala:

* Enable qcom GSBI driver

* tag 'qcom-defconfig-for-3.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom:
  ARM: qcom: Enable GSBI driver in defconfig

Signed-off-by: Olof Johansson <olof@lixom.net>
 2014-05-30 20:33:39 -07:00
Olof Johansson
bb19501651 Qualcomm ARM Based Device Tree Updates for v3.16-2 
* Updated MSM8660/MSM8960/MSM8974 dts for various updates or conformitity
   to binding specs
 * Added APQ8064 SoC and IFC6410 board device tree support
 * Added APQ8084 SoC and APQ8084-MTP board device tree support
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Merge tag 'qcom-dt-for-3.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom into next/dt

Merge "Qualcomm ARM Based Device Tree Updates for v3.16-2" from Kumar Gala:

* Updated MSM8660/MSM8960/MSM8974 dts for various updates or conformitity
  to binding specs
* Added APQ8064 SoC and IFC6410 board device tree support
* Added APQ8084 SoC and APQ8084-MTP board device tree support

* tag 'qcom-dt-for-3.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom:
  ARM: dts: qcom: Add APQ8084-MTP board support
  ARM: dts: qcom: Add APQ8084 SoC support
  ARM: dts: qcom: Add initial APQ8064 SoC and IFC6410 board device trees
  ARM: dts: qcom: Update msm8660 device trees
  ARM: dts: qcom: Update msm8960 device trees
  ARM: dts: qcom: Update msm8974/apq8074 device trees

Signed-off-by: Olof Johansson <olof@lixom.net>
 2014-05-30 20:32:48 -07:00
Jens Axboe
ed851860b4 blk-mq: push IPI or local end_io decision to __blk_mq_complete_request() 
We have callers outside of the blk-mq proper (like timeouts) that
want to call __blk_mq_complete_request(), so rename the function
and put the decision code for whether to use ->softirq_done_fn
or blk_mq_endio() into __blk_mq_complete_request().

This also makes the interface more logical again.
blk_mq_complete_request() attempts to atomically mark the request
completed, and calls __blk_mq_complete_request() if successful.
__blk_mq_complete_request() then just ends the request.

Signed-off-by: Jens Axboe <axboe@fb.com>
 2014-05-30 21:20:50 -06:00
Daniel Vetter
18ee37a485 drm/radeon: Resume fbcon last 
So a few people complained that

commit 177cf92de4
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Tue Apr 1 22:14:59 2014 +0200

    drm/crtc-helpers: fix dpms on logic

which was merged into 3.15-rc1, broke resume on radeons. Strangely git
bisect lead everyone to

commit 25f397a429
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Fri Jul 19 18:57:11 2013 +0200

    drm/crtc-helper: explicit DPMS on after modeset

which was merged long ago and actually part of 3.14.

Digging deeper I've noticed (again) that the call to
drm_helper_resume_force_mode in the radeon resume handlers was a no-op
previously because everything gets shut down on suspend. radeon does
this with explicit calls to drm_helper_connector_dpms with DPMS_OFF.
But with 177c we now force the dpms state to ON, so suddenly
resume_force_mode actually forced the crtcs back on.

This is the intention of the change after all, the problem is that
radeon resumes the fbdev console layer _before_ restoring the display,
through calling fb_set_suspend. And fbcon does an immediate ->set_par,
which in turn causes the same forced mode restore to happen.

Two concurrent modeset operations didn't lead to happiness. Fix this
by delaying the fbcon resume until the end of the readeon resum
functions.

v2: Fix up a bit of the spelling fail.

References: https://lkml.org/lkml/2014/5/29/1043
References: https://lkml.org/lkml/2014/5/2/388
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=74751
Tested-by: Ken Moffat <zarniwhoop@ntlworld.com>
Cc: Alex Deucher <alexdeucher@gmail.com>
Cc: Ken Moffat <zarniwhoop@ntlworld.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@gmail.com>
 2014-05-31 09:19:51 +10:00
Dave Airlie
1446e04c9b Merge branch 'drm-fixes-3.15' of git://people.freedesktop.org/~deathsimple/linux into drm-fixes 
this is the next pull request for stashed up radeon fixes for 3.15. This is finally calming down with only four patches in this pull request.

* 'drm-fixes-3.15' of git://people.freedesktop.org/~deathsimple/linux:
  drm/radeon: only allocate necessary size for vm bo list
  drm/radeon: don't allow RADEON_GEM_DOMAIN_CPU for command submission
  drm/radeon: avoid crash if VM command submission isn't available
  drm/radeon: lower the ref * post PLL maximum once more
 2014-05-31 09:19:05 +10:00
Jens Axboe
feff689412 blk-mq: remember to start timeout handler for direct queue 
Commit 07068d5b8e added a direct-to-hw-queue mode, but this mode
needs to remember to add the request timeout handler as well.
Without it, we don't track timeouts for these requests.

Signed-off-by: Jens Axboe <axboe@fb.com>
 2014-05-30 15:42:56 -06:00
Jens Axboe
c7bca4183f block: ensure that the timer is always added 
Commit f793aa5378 relaxed the timer addition a little too much.
If the timer isn't pending, we always need to add it.

Signed-off-by: Jens Axboe <axboe@fb.com>
 2014-05-30 15:41:39 -06:00
Linus Torvalds
1487385edb Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 
Pull input subsystem fixes from Dmitry Torokhov:
 "A couple of driver/build fixups and also redone quirk for Synaptics
  touchpads on Lenovo boxes (now using PNP IDs instead of DMI data to
  limit number of quirks)"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: synaptics - change min/max quirk table to pnp-id matching
  Input: synaptics - add a matches_pnp_id helper function
  Input: synaptics - T540p - unify with other LEN0034 models
  Input: synaptics - add min/max quirk for the ThinkPad W540
  Input: ambakmi - request a shared interrupt for AMBA KMI devices
  Input: pxa27x-keypad - fix generating scancode
  Input: atmel-wm97xx - only build for AVR32
  Input: fix ps2/serio module dependency
 2014-05-30 12:07:48 -07:00
Linus Torvalds
1326af2464 Regression fix for the IEEE 1394 subsystem: 
Re-enable IRQ-based asynchronous request reception at addresses below 128 TB.
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Merge tag 'firewire-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394

Pull firewire fix from Stefan Richter:
 "A regression fix for the IEEE 1394 subsystem: re-enable IRQ-based
  asynchronous request reception at addresses below 128 TB"

* tag 'firewire-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
  firewire: revert to 4 GB RDMA, fix protocols using Memory Space
 2014-05-30 12:06:15 -07:00
Linus Torvalds
24e19d279f A dm-cache stable fix to split discards on cache block boundaries 
because dm-cache cannot yet handle discards that span cache blocks.
 
 Really fix a dm-mpath LOCKDEP warning that was introduced in -rc1.
 
 Add a 'no_space_timeout' control to dm-thinp to restore the ability to
 queue IO indefinitely when no data space is available.  This fixes a
 change in behavior that was introduced in -rc6 where the timeout
 couldn't be disabled.
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Merge tag 'dm-3.15-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device-mapper fixes from Mike Snitzer:
 "A dm-cache stable fix to split discards on cache block boundaries
  because dm-cache cannot yet handle discards that span cache blocks.

  Really fix a dm-mpath LOCKDEP warning that was introduced in -rc1.

  Add a 'no_space_timeout' control to dm-thinp to restore the ability to
  queue IO indefinitely when no data space is available.  This fixes a
  change in behavior that was introduced in -rc6 where the timeout
  couldn't be disabled"

* tag 'dm-3.15-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm mpath: really fix lockdep warning
  dm cache: always split discards on cache block boundaries
  dm thin: add 'no_space_timeout' dm-thin-pool module param
 2014-05-30 12:04:56 -07:00
Tushar Behera
345e9bf082 ARM: dts: add secure firmware support for exynos5420-arndale-octa 
Arndale-Octa board is always configured to work with trustzone
firmware binary. Added DTS node entry to enable this support.

Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
 2014-05-31 04:03:31 +09:00
Minchan Kim
6538b8ea88 x86_64: expand kernel stack to 16K 
While I play inhouse patches with much memory pressure on qemu-kvm,
3.14 kernel was randomly crashed. The reason was kernel stack overflow.

When I investigated the problem, the callstack was a little bit deeper
by involve with reclaim functions but not direct reclaim path.

I tried to diet stack size of some functions related with alloc/reclaim
so did a hundred of byte but overflow was't disappeard so that I encounter
overflow by another deeper callstack on reclaim/allocator path.

Of course, we might sweep every sites we have found for reducing
stack usage but I'm not sure how long it saves the world(surely,
lots of developer start to add nice features which will use stack
agains) and if we consider another more complex feature in I/O layer
and/or reclaim path, it might be better to increase stack size(
meanwhile, stack usage on 64bit machine was doubled compared to 32bit
while it have sticked to 8K. Hmm, it's not a fair to me and arm64
already expaned to 16K. )

So, my stupid idea is just let's expand stack size and keep an eye
toward stack consumption on each kernel functions via stacktrace of ftrace.
For example, we can have a bar like that each funcion shouldn't exceed 200K
and emit the warning when some function consumes more in runtime.
Of course, it could make false positive but at least, it could make a
chance to think over it.

I guess this topic was discussed several time so there might be
strong reason not to increase kernel stack size on x86_64, for me not
knowing so Ccing x86_64 maintainers, other MM guys and virtio
maintainers.

Here's an example call trace using up the kernel stack:

         Depth    Size   Location    (51 entries)
         -----    ----   --------
   0)     7696      16   lookup_address
   1)     7680      16   _lookup_address_cpa.isra.3
   2)     7664      24   __change_page_attr_set_clr
   3)     7640     392   kernel_map_pages
   4)     7248     256   get_page_from_freelist
   5)     6992     352   __alloc_pages_nodemask
   6)     6640       8   alloc_pages_current
   7)     6632     168   new_slab
   8)     6464       8   __slab_alloc
   9)     6456      80   __kmalloc
  10)     6376     376   vring_add_indirect
  11)     6000     144   virtqueue_add_sgs
  12)     5856     288   __virtblk_add_req
  13)     5568      96   virtio_queue_rq
  14)     5472     128   __blk_mq_run_hw_queue
  15)     5344      16   blk_mq_run_hw_queue
  16)     5328      96   blk_mq_insert_requests
  17)     5232     112   blk_mq_flush_plug_list
  18)     5120     112   blk_flush_plug_list
  19)     5008      64   io_schedule_timeout
  20)     4944     128   mempool_alloc
  21)     4816      96   bio_alloc_bioset
  22)     4720      48   get_swap_bio
  23)     4672     160   __swap_writepage
  24)     4512      32   swap_writepage
  25)     4480     320   shrink_page_list
  26)     4160     208   shrink_inactive_list
  27)     3952     304   shrink_lruvec
  28)     3648      80   shrink_zone
  29)     3568     128   do_try_to_free_pages
  30)     3440     208   try_to_free_pages
  31)     3232     352   __alloc_pages_nodemask
  32)     2880       8   alloc_pages_current
  33)     2872     200   __page_cache_alloc
  34)     2672      80   find_or_create_page
  35)     2592      80   ext4_mb_load_buddy
  36)     2512     176   ext4_mb_regular_allocator
  37)     2336     128   ext4_mb_new_blocks
  38)     2208     256   ext4_ext_map_blocks
  39)     1952     160   ext4_map_blocks
  40)     1792     384   ext4_writepages
  41)     1408      16   do_writepages
  42)     1392      96   __writeback_single_inode
  43)     1296     176   writeback_sb_inodes
  44)     1120      80   __writeback_inodes_wb
  45)     1040     160   wb_writeback
  46)      880     208   bdi_writeback_workfn
  47)      672     144   process_one_work
  48)      528     112   worker_thread
  49)      416     240   kthread
  50)      176     176   ret_from_fork

[ Note: the problem is exacerbated by certain gcc versions that seem to
  generate much bigger stack frames due to apparently bad coalescing of
  temporaries and generating too many spills.  Rusty saw gcc-4.6.4 using
  35% more stack on the virtio path than 4.8.2 does, for example.

  Minchan not only uses such a bad gcc version (4.6.3 in his case), but
  some of the stack use is due to debugging (CONFIG_DEBUG_PAGEALLOC is
  what causes that kernel_map_pages() frame, for example). But we're
  clearly getting too close.

  The VM code also seems to have excessive stack frames partly for the
  same compiler reason, triggered by excessive inlining and lots of
  function arguments.

  We need to improve on our stack use, but in the meantime let's do this
  simple stack increase too.  Unlike most earlier reports, there is
  nothing simple that stands out as being really horribly wrong here,
  apart from the fact that the stack frames are just bigger than they
  should need to be.        - Linus ]

Signed-off-by: Minchan Kim <minchan@kernel.org>
Cc: Peter Anvin <hpa@zytor.com>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Dave Jones <davej@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Rik van Riel <riel@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Michael S Tsirkin <mst@redhat.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: PJ Waskiewicz <pjwaskiewicz@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2014-05-30 11:52:51 -07:00