Commit Graph

22568 Commits

Author SHA1 Message Date
Dan Streetman 9c4c5ef376 zswap: update docs for runtime-changeable attributes
Change the Documentation/vm/zswap.txt doc to indicate that the "zpool" and
"compressor" params are now changeable at runtime.

Signed-off-by: Dan Streetman <ddstreet@ieee.org>
Cc: Seth Jennings <sjennings@variantweb.net>
Cc: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-09-10 13:29:01 -07:00
Kevin Hilman c6e59bdac9 Qualcomm ARM Based SoC Updates for 4.3-rc2
* Fix errant private access in SMEM
 * Fix use of correct remote processor ID in SMD transactions
 * Correct SMD fBLOCKREADINTR handling
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Merge tag 'qcom-soc-for-4.3-rc2' of git://codeaurora.org/quic/kernel/agross-msm into next/late

Qualcomm ARM Based SoC Updates for 4.3-rc2

* Fix errant private access in SMEM
* Fix use of correct remote processor ID in SMD transactions
* Correct SMD fBLOCKREADINTR handling

* tag 'qcom-soc-for-4.3-rc2' of git://codeaurora.org/quic/kernel/agross-msm:
  soc: qcom: smd: Correct fBLOCKREADINTR handling
  soc: qcom: smd: Use correct remote processor ID
  soc: qcom: smem: Fix errant private access
  devicetree: soc: Add Qualcomm SMD based RPM DT binding
  soc: qcom: Driver for the Qualcomm RPM over SMD
  soc: qcom: Add Shared Memory Driver
  soc: qcom: Add device tree binding for Shared Memory Device
  drivers: qcom: Select QCOM_SCM unconditionally for QCOM_PM
  soc: qcom: Add Shared Memory Manager driver
2015-09-09 16:15:34 -07:00
Andy Gross 93dbed9121 soc: qcom: smd: Use correct remote processor ID
This patch fixes SMEM addressing issues when remote processors need to use
secure SMEM partitions.

Signed-off-by: Andy Gross <agross@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
2015-09-09 15:57:09 -05:00
Andy Gross 61e19ba99e Qualcomm ARM Based SoC Updates for 4.3
* Add SMEM driver
 * Add SMD driver
 * Add RPM over SMD driver
 * Select QCOM_SCM by default
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Merge tag 'qcom-soc-for-4.3' into v4.2-rc2

Qualcomm ARM Based SoC Updates for 4.3

* Add SMEM driver
* Add SMD driver
* Add RPM over SMD driver
* Select QCOM_SCM by default
2015-09-09 15:56:35 -05:00
Wenyou Yang f4fff94e3e Documentation: dt: binding: atmel-sama5d4-wdt: for SAMA5D4 watchdog driver
The compatible "atmel,sama5d4-wdt" supports the SAMA5D4 watchdog driver
and the watchdog's WDT_MR register can be written more than once.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2015-09-09 21:38:35 +02:00
Ariel D'Alessandro cfde37e1ec DT: watchdog: Add NXP LPC18xx Watchdog Timer binding documentation
Add the devicetree binding document for NXP LPC18xx Watchdog Timer.

Signed-off-by: Ariel D'Alessandro <ariel@vanguardiasur.com.ar>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2015-09-09 21:36:06 +02:00
Alexandre Belloni ab54d7f017 Documentation: watchdog: at91sam9_wdt: add clocks property
The watchdog has an input clock, the slow clock. It is required as it will
not function without it.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2015-09-09 21:34:46 +02:00
Timur Tabi f15d7114bb Documentation/watchdog: add timeout and ping rate control to watchdog-test.c
The watchdog test program is much more useful if it can configure the
timeout value and ping rate.  This will allow you to test actual timeouts.

Adds the -t parameter to set the timeout value (in seconds), and -p to set
the ping rate (number of seconds between pings).

Signed-off-by: Timur Tabi <timur@codeaurora.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2015-09-09 21:33:36 +02:00
Linus Torvalds 82278fc079 pwm: Changes for v4.3-rc1
This set of changes introduces the beginnings of a new API that's based
 around the concept of states that can be atomically applied. Drivers go
 to various lengths to implement something similar, which indicates that
 the core should really be providing the necessary framework.
 
 On top of that, there is a bit of cleanup as well as improved kerneldoc
 and integration into the device-drivers DocBook.
 
 Regarding drivers there is a new one for the NXP LPC18xx family of SoCs
 and a couple of fixes for existing drivers (pca9685, Broadcom Kona and
 Atmel HLCDC).
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Merge tag 'pwm/for-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm

Pull pwm updates from Thierry Reding:
 "This set of changes introduces the beginnings of a new API that's
  based around the concept of states that can be atomically applied.
  Drivers go to various lengths to implement something similar, which
  indicates that the core should really be providing the necessary
  framework.

  On top of that, there is a bit of cleanup as well as improved
  kerneldoc and integration into the device-drivers DocBook.

  Regarding drivers there is a new one for the NXP LPC18xx family of
  SoCs and a couple of fixes for existing drivers (pca9685, Broadcom
  Kona and Atmel HLCDC)"

* tag 'pwm/for-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
  ARM: at91: pwm: atmel-hlcdc: Add at91sam9n12 errata
  pwm: Add NXP LPC18xx PWM/SCT DT binding documentation
  pwm: NXP LPC18xx PWM/SCT driver
  pwm-pca9685: Support changing the output frequency
  pwm-pca9685: Fix several driver bugs
  pwm: kona: Modify settings application sequence
  pwm: pca9685: Drop owner assignment
  pwm: Add to device-drivers documentation
  pwm: Clean up kerneldoc
  pwm: Remove useless whitespace
  pwm: sysfs: Remove unnecessary padding
  pwm: sysfs: Properly convert from enum to string
  pwm: Make use of pwm_get_xxx() helpers where appropriate
  pwm: Add pwm_get_polarity() helper function
  pwm: Constify PWM device where possible
  pwm: Add the pwm_is_enabled() helper
2015-09-09 10:55:32 -07:00
Linus Torvalds 065d80b4bf Metag architecture changes for v4.3
Just a couple of changes for v4.3-rc1. A preparatory IRQ patch to
 prepare for moving irq_data struct members, and a tweak to
 Documentation/features since Meta2 could support THP.
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Merge tag 'metag-for-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag

Pull metag updates from James Hogan:
 "Metag architecture changes for v4.3.

  Just a couple of changes for v4.3-rc1.  A preparatory IRQ patch to
  prepare for moving irq_data struct members, and a tweak to
  Documentation/features since Meta2 could support THP"

* tag 'metag-for-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag:
  Documentation/features/vm: Meta2 is capable of THP
  metag/irq: Use access helper irq_data_get_affinity_mask()
2015-09-09 10:27:59 -07:00
Linus Torvalds 26d2177e97 Changes for 4.3
- Create drivers/staging/rdma
 - Move amso1100 driver to staging/rdma and schedule for deletion
 - Move ipath driver to staging/rdma and schedule for deletion
 - Add hfi1 driver to staging/rdma and set TODO for move to regular tree
 - Initial support for namespaces to be used on RDMA devices
 - Add RoCE GID table handling to the RDMA core caching code
 - Infrastructure to support handling of devices with differing
   read and write scatter gather capabilities
 - Various iSER updates
 - Kill off unsafe usage of global mr registrations
 - Update SRP driver
 - Misc. mlx4 driver updates
 - Support for the mr_alloc verb
 - Support for a netlink interface between kernel and user space cache
   daemon to speed path record queries and route resolution
 - Ininitial support for safe hot removal of verbs devices
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma

Pull inifiniband/rdma updates from Doug Ledford:
 "This is a fairly sizeable set of changes.  I've put them through a
  decent amount of testing prior to sending the pull request due to
  that.

  There are still a few fixups that I know are coming, but I wanted to
  go ahead and get the big, sizable chunk into your hands sooner rather
  than waiting for those last few fixups.

  Of note is the fact that this creates what is intended to be a
  temporary area in the drivers/staging tree specifically for some
  cleanups and additions that are coming for the RDMA stack.  We
  deprecated two drivers (ipath and amso1100) and are waiting to hear
  back if we can deprecate another one (ehca).  We also put Intel's new
  hfi1 driver into this area because it needs to be refactored and a
  transfer library created out of the factored out code, and then it and
  the qib driver and the soft-roce driver should all be modified to use
  that library.

  I expect drivers/staging/rdma to be around for three or four kernel
  releases and then to go away as all of the work is completed and final
  deletions of deprecated drivers are done.

  Summary of changes for 4.3:

   - Create drivers/staging/rdma
   - Move amso1100 driver to staging/rdma and schedule for deletion
   - Move ipath driver to staging/rdma and schedule for deletion
   - Add hfi1 driver to staging/rdma and set TODO for move to regular
     tree
   - Initial support for namespaces to be used on RDMA devices
   - Add RoCE GID table handling to the RDMA core caching code
   - Infrastructure to support handling of devices with differing read
     and write scatter gather capabilities
   - Various iSER updates
   - Kill off unsafe usage of global mr registrations
   - Update SRP driver
   - Misc  mlx4 driver updates
   - Support for the mr_alloc verb
   - Support for a netlink interface between kernel and user space cache
     daemon to speed path record queries and route resolution
   - Ininitial support for safe hot removal of verbs devices"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (136 commits)
  IB/ipoib: Suppress warning for send only join failures
  IB/ipoib: Clean up send-only multicast joins
  IB/srp: Fix possible protection fault
  IB/core: Move SM class defines from ib_mad.h to ib_smi.h
  IB/core: Remove unnecessary defines from ib_mad.h
  IB/hfi1: Add PSM2 user space header to header_install
  IB/hfi1: Add CSRs for CONFIG_SDMA_VERBOSITY
  mlx5: Fix incorrect wc pkey_index assignment for GSI messages
  IB/mlx5: avoid destroying a NULL mr in reg_user_mr error flow
  IB/uverbs: reject invalid or unknown opcodes
  IB/cxgb4: Fix if statement in pick_local_ip6adddrs
  IB/sa: Fix rdma netlink message flags
  IB/ucma: HW Device hot-removal support
  IB/mlx4_ib: Disassociate support
  IB/uverbs: Enable device removal when there are active user space applications
  IB/uverbs: Explicitly pass ib_dev to uverbs commands
  IB/uverbs: Fix race between ib_uverbs_open and remove_one
  IB/uverbs: Fix reference counting usage of event files
  IB/core: Make ib_dealloc_pd return void
  IB/srp: Create an insecure all physical rkey only if needed
  ...
2015-09-09 08:33:31 -07:00
Ariel D'Alessandro b0dabcc6f8 pwm: Add NXP LPC18xx PWM/SCT DT binding documentation
Add the devicetree binding document for NXP LPC18xx PWM/SCT.

Signed-off-by: Ariel D'Alessandro <ariel@vanguardiasur.com.ar>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2015-09-09 15:01:41 +02:00
Linus Torvalds a794b4f329 IPMI updates for 4.3
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Merge tag 'for-linus-4.3' of git://git.code.sf.net/p/openipmi/linux-ipmi

Pull IPMI updates from Corey Minyard:
 "Most of these have been sitting in linux-next for more than a release,
  particularly commit 0fbcf4af7c ("ipmi: Convert the IPMI SI ACPI
  handling to a platform device") which is probably the most complex
  patch.

  That is also the one that changes drivers/acpi/acpi_pnp.c.  The change
  in that file is only removing IPMI from a "special platform devices"
  list, since I convert it to the standard PNP interface.  I posted this
  one to the ACPI list twice and got no response, and it seems to work
  well in my testing, so I'm hoping it's good.

  Hidehiro Kawai posted a set of changes that improves the panic time
  handling in the IPMI driver.

  The rest of the changes are minor bug fixes or cleanups and some
  documentation"

* tag 'for-linus-4.3' of git://git.code.sf.net/p/openipmi/linux-ipmi:
  ipmi:ssif: Add a module parm to specify that SMBus alerts don't work
  ipmi: add of_device_id in MODULE_DEVICE_TABLE
  ipmi: Compensate for BMCs that wont set the irq enable bit
  ipmi: Don't call receive handler in the panic context
  ipmi: Avoid touching possible corrupted lists in the panic context
  ipmi: Don't flush messages in sender() in run-to-completion mode
  ipmi: Factor out message flushing procedure
  ipmi: Remove unneeded set_run_to_completion call
  ipmi: Make some data const that was only read
  ipmi: constify SSIF ACPI device ids
  ipmi: Delete an unnecessary check before the function call "cleanup_one_si"
  char:ipmi - Change 1 to true for bool type variables during initialization.
  impi:Remove unneeded setting of module owner to THIS_MODULE in the platform structure, powernv_ipmi_driver
  ipmi: Add a comment in how messages are delivered from the lower layer
  ipmi/powernv: Fix potential invalid pointer dereference
  ipmi: Convert the IPMI SI ACPI handling to a platform device
  ipmi: Add device tree bindings information
2015-09-08 18:19:17 -07:00
Linus Torvalds f6f7a63692 Merge branch 'akpm' (patches from Andrew)
Merge second patch-bomb from Andrew Morton:
 "Almost all of the rest of MM.  There was an unusually large amount of
  MM material this time"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (141 commits)
  zpool: remove no-op module init/exit
  mm: zbud: constify the zbud_ops
  mm: zpool: constify the zpool_ops
  mm: swap: zswap: maybe_preload & refactoring
  zram: unify error reporting
  zsmalloc: remove null check from destroy_handle_cache()
  zsmalloc: do not take class lock in zs_shrinker_count()
  zsmalloc: use class->pages_per_zspage
  zsmalloc: consider ZS_ALMOST_FULL as migrate source
  zsmalloc: partial page ordering within a fullness_list
  zsmalloc: use shrinker to trigger auto-compaction
  zsmalloc: account the number of compacted pages
  zsmalloc/zram: introduce zs_pool_stats api
  zsmalloc: cosmetic compaction code adjustments
  zsmalloc: introduce zs_can_compact() function
  zsmalloc: always keep per-class stats
  zsmalloc: drop unused variable `nr_to_migrate'
  mm/memblock.c: fix comment in __next_mem_range()
  mm/page_alloc.c: fix type information of memoryless node
  memory-hotplug: fix comments in zone_spanned_pages_in_node() and zone_spanned_pages_in_node()
  ...
2015-09-08 17:52:23 -07:00
Linus Torvalds 9a9952bbd7 IOMMU Updates for Linux v4.3
This time the IOMMU updates are mostly cleanups or fixes. No big new
 features or drivers this time. In particular the changes include:
 
 	* Bigger cleanup of the Domain<->IOMMU data structures and the
 	  code that manages them in the Intel VT-d driver. This makes
 	  the code easier to understand and maintain, and also easier to
 	  keep the data structures in sync. It is also a preparation
 	  step to make use of default domains from the IOMMU core in the
 	  Intel VT-d driver.
 
 	* Fixes for a couple of DMA-API misuses in ARM IOMMU drivers,
 	  namely in the ARM and Tegra SMMU drivers.
 
 	* Fix for a potential buffer overflow in the OMAP iommu driver's
 	  debug code
 
 	* A couple of smaller fixes and cleanups in various drivers
 
 	* One small new feature: Report domain-id usage in the Intel
 	  VT-d driver to easier detect bugs where these are leaked.
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Merge tag 'iommu-updates-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull iommu updates for from Joerg Roedel:
 "This time the IOMMU updates are mostly cleanups or fixes.  No big new
  features or drivers this time.  In particular the changes include:

   - Bigger cleanup of the Domain<->IOMMU data structures and the code
     that manages them in the Intel VT-d driver.  This makes the code
     easier to understand and maintain, and also easier to keep the data
     structures in sync.  It is also a preparation step to make use of
     default domains from the IOMMU core in the Intel VT-d driver.

   - Fixes for a couple of DMA-API misuses in ARM IOMMU drivers, namely
     in the ARM and Tegra SMMU drivers.

   - Fix for a potential buffer overflow in the OMAP iommu driver's
     debug code

   - A couple of smaller fixes and cleanups in various drivers

   - One small new feature: Report domain-id usage in the Intel VT-d
     driver to easier detect bugs where these are leaked"

* tag 'iommu-updates-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (83 commits)
  iommu/vt-d: Really use upper context table when necessary
  x86/vt-d: Fix documentation of DRHD
  iommu/fsl: Really fix init section(s) content
  iommu/io-pgtable-arm: Unmap and free table when overwriting with block
  iommu/io-pgtable-arm: Move init-fn declarations to io-pgtable.h
  iommu/msm: Use BUG_ON instead of if () BUG()
  iommu/vt-d: Access iomem correctly
  iommu/vt-d: Make two functions static
  iommu/vt-d: Use BUG_ON instead of if () BUG()
  iommu/vt-d: Return false instead of 0 in irq_remapping_cap()
  iommu/amd: Use BUG_ON instead of if () BUG()
  iommu/amd: Make a symbol static
  iommu/amd: Simplify allocation in irq_remapping_alloc()
  iommu/tegra-smmu: Parameterize number of TLB lines
  iommu/tegra-smmu: Factor out tegra_smmu_set_pde()
  iommu/tegra-smmu: Extract tegra_smmu_pte_get_use()
  iommu/tegra-smmu: Use __GFP_ZERO to allocate zeroed pages
  iommu/tegra-smmu: Remove PageReserved manipulation
  iommu/tegra-smmu: Convert to use DMA API
  iommu/tegra-smmu: smmu_flush_ptc() wants device addresses
  ...
2015-09-08 17:22:35 -07:00
Linus Torvalds 85579ad7f1 MMC core:
- Fix a race condition in the request handling
  - Skip trim commands for some buggy kingston eMMCs
  - An optimization and a correction for erase groups
  - Set CMD23 quirk for some Sandisk cards
 
 MMC host:
  - sdhci: Give GPIO CD higher precedence and don't poll when it's used
  - sdhci: Fix DMA memory leakage
  - sdhci: Some updates for clock management
  - sdhci-of-at91: introduce driver for the Atmel SDMMC
  - sdhci-of-arasan: Add support for sdhci-5.1
  - sdhci-esdhc-imx: Add support for imx7d which also supports HS400
  - sdhci: A collection of fixes and improvements for various sdhci hosts
  - omap_hsmmc: Modernization of the regulator code
  - dw_mmc: A couple of fixes for DMA and PIO mode
  - usdhi6rol0: A few fixes and support probe deferral for regulators
  - pxamci: Convert to use dmaengine
  - sh_mmcif: Fix the suspend process in a short term solution
  - tmio: Adjust timeout for commands
  - sunxi: Fix timeout while gating/ungating clock
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Merge tag 'mmc-v4.3' of git://git.linaro.org/people/ulf.hansson/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:
   - Fix a race condition in the request handling
   - Skip trim commands for some buggy kingston eMMCs
   - An optimization and a correction for erase groups
   - Set CMD23 quirk for some Sandisk cards

  MMC host:
   - sdhci: Give GPIO CD higher precedence and don't poll when it's used
   - sdhci: Fix DMA memory leakage
   - sdhci: Some updates for clock management
   - sdhci-of-at91: introduce driver for the Atmel SDMMC
   - sdhci-of-arasan: Add support for sdhci-5.1
   - sdhci-esdhc-imx: Add support for imx7d which also supports HS400
   - sdhci: A collection of fixes and improvements for various sdhci hosts
   - omap_hsmmc: Modernization of the regulator code
   - dw_mmc: A couple of fixes for DMA and PIO mode
   - usdhi6rol0: A few fixes and support probe deferral for regulators
   - pxamci: Convert to use dmaengine
   - sh_mmcif: Fix the suspend process in a short term solution
   - tmio: Adjust timeout for commands
   - sunxi: Fix timeout while gating/ungating clock"

* tag 'mmc-v4.3' of git://git.linaro.org/people/ulf.hansson/mmc: (67 commits)
  mmc: android-goldfish: remove incorrect __iomem annotation
  mmc: core: fix race condition in mmc_wait_data_done
  mmc: host: omap_hsmmc: remove CONFIG_REGULATOR check
  mmc: host: omap_hsmmc: use ios->vdd for setting vmmc voltage
  mmc: host: omap_hsmmc: use regulator_is_enabled to find pbias status
  mmc: host: omap_hsmmc: enable/disable vmmc_aux regulator based on previous state
  mmc: host: omap_hsmmc: don't use ->set_power to set initial regulator state
  mmc: host: omap_hsmmc: avoid pbias regulator enable on power off
  mmc: host: omap_hsmmc: add separate function to set pbias
  mmc: host: omap_hsmmc: add separate functions for enable/disable supply
  mmc: host: omap_hsmmc: return error if any of the regulator APIs fail
  mmc: host: omap_hsmmc: remove unnecessary pbias set_voltage
  mmc: host: omap_hsmmc: use mmc_host's vmmc and vqmmc
  mmc: host: omap_hsmmc: use the ocrmask provided by the vmmc regulator
  mmc: host: omap_hsmmc: cleanup omap_hsmmc_reg_get()
  mmc: host: omap_hsmmc: return on fatal errors from omap_hsmmc_reg_get
  mmc: host: omap_hsmmc: use devm_regulator_get_optional() for vmmc
  mmc: sdhci-of-at91: fix platform_no_drv_owner.cocci warnings
  mmc: sh_mmcif: Fix suspend process
  mmc: usdhi6rol0: fix error return code
  ...
2015-09-08 16:33:16 -07:00
Linus Torvalds 3af6e98f25 platform-drivers-x86 for 4.3-1
Significant work on toshiba_acpi, including new hardware support,
 refactoring, and cleanups. Extend device support for asus, ideapad, and
 acer systems. New surface pro 3 buttons driver. Misc. minor cleanups for
 thinkpad and hp-wireless.
 
 acer-wmi:
  - No rfkill on HP Omen 15 wifi
 
 thinkpad_acpi
  - Remove side effects from vdbg_printk -> no_printk macro
 
 surface pro 3
  - Add support driver for Surface Pro 3 buttons
 
 hp-wireless
  - remove unneeded goto/label in hpwl_init
 
 ideapad-laptop
  - add alternative representation for Yoga 2 to DMI table
  - Add Lenovo Yoga 3 14 to no_hw_rfkill dmi list
 
 asus-laptop
  - Add key found on Asus F3M
 
 MAINTAINERS
  - Remove Toshiba Linux mailing list address
 
 toshiba_acpi:
  - Bump driver version to 0.23
  - Remove unnecessary checks and returns in HCI/SCI functions
  - Refactor *{get, set} functions return value
  - Remove "*not supported" feature prints
  - Change *available functions return type
  - Add set_fan_status function
  - Change some variables to avoid warnings from ninja-check
  - Reorder toshiba_acpi_alt_keymap entries
  - Remove unused wireless defines
  - Transflective backlight updates
  - Avoid registering input device on WMI event laptops
  - Add /dev/toshiba_acpi device
  - Adapt /proc/acpi/toshiba/keys to TOS1900 devices
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Merge tag 'platform-drivers-x86-v4.3-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86

Pull x86 platform driver updates from Darren Hart:
 "Significant work on toshiba_acpi, including new hardware support,
  refactoring, and cleanups.  Extend device support for asus, ideapad,
  and acer systems.  New surface pro 3 buttons driver.  Misc minor
  cleanups for thinkpad and hp-wireless.

  acer-wmi:
   - No rfkill on HP Omen 15 wifi

  thinkpad_acpi:
   - Remove side effects from vdbg_printk -> no_printk macro

  surface pro 3:
   - Add support driver for Surface Pro 3 buttons

  hp-wireless:
   - remove unneeded goto/label in hpwl_init

  ideapad-laptop:
   - add alternative representation for Yoga 2 to DMI table
   - Add Lenovo Yoga 3 14 to no_hw_rfkill dmi list

  asus-laptop:
   - Add key found on Asus F3M

  MAINTAINERS:
   - Remove Toshiba Linux mailing list address

  toshiba_acpi:
   - Bump driver version to 0.23
   - Remove unnecessary checks and returns in HCI/SCI functions
   - Refactor *{get, set} functions return value
   - Remove "*not supported" feature prints
   - Change *available functions return type
   - Add set_fan_status function
   - Change some variables to avoid warnings from ninja-check
   - Reorder toshiba_acpi_alt_keymap entries
   - Remove unused wireless defines
   - Transflective backlight updates
   - Avoid registering input device on WMI event laptops
   - Add /dev/toshiba_acpi device
   - Adapt /proc/acpi/toshiba/keys to TOS1900 devices"

* tag 'platform-drivers-x86-v4.3-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86: (21 commits)
  acer-wmi: No rfkill on HP Omen 15 wifi
  thinkpad_acpi: Remove side effects from vdbg_printk -> no_printk macro
  surface pro 3: Add support driver for Surface Pro 3 buttons
  hp-wireless: remove unneeded goto/label in hpwl_init
  ideapad-laptop: add alternative representation for Yoga 2 to DMI table
  asus-laptop: Add key found on Asus F3M
  MAINTAINERS: Remove Toshiba Linux mailing list address
  ideapad-laptop: Add Lenovo Yoga 3 14 to no_hw_rfkill dmi list
  toshiba_acpi: Bump driver version to 0.23
  toshiba_acpi: Remove unnecessary checks and returns in HCI/SCI functions
  toshiba_acpi: Refactor *{get, set} functions return value
  toshiba_acpi: Remove "*not supported" feature prints
  toshiba_acpi: Change *available functions return type
  toshiba_acpi: Add set_fan_status function
  toshiba_acpi: Change some variables to avoid warnings from ninja-check
  toshiba_acpi: Reorder toshiba_acpi_alt_keymap entries
  toshiba_acpi: Remove unused wireless defines
  toshiba_acpi: Transflective backlight updates
  toshiba_acpi: Avoid registering input device on WMI event laptops
  toshiba_acpi: Add /dev/toshiba_acpi device
  ...
2015-09-08 16:26:18 -07:00
Linus Torvalds acceba598e Merge branch 'i2c/for-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
 "Features:

   - new drivers: Renesas EMEV2, register based MUX, NXP LPC2xxx
   - core: scans DT and assigns wakeup interrupts.  no driver changes needed.
   - core: some refcouting issues fixed and better API for that
   - core: new helper function for best effort block read emulation
   - slave framework: proper DT bindings and userspace instantiation
   - some bigger work for xiic, pxa, omap drivers

  .. and quite a number of smaller driver fixes, cleanups, improvements"

* 'i2c/for-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (65 commits)
  i2c: mux: reg Change ioread endianness for readback
  i2c: mux: reg: fix compilation warnings
  i2c: mux: reg: simplify register size checking
  i2c: muxes: fix leaked i2c adapter device node references
  i2c: allow specifying separate wakeup interrupt in device tree
  of/irq: export of_get_irq_byname()
  i2c: xgene-slimpro: dma_mapping_error() doesn't return an error code
  i2c: Replace I2C_CROS_EC_TUNNEL dependency
  eeprom: at24: use i2c_smbus_read_i2c_block_data_or_emulated
  i2c: core: Add support for best effort block read emulation
  i2c: lpc2k: add driver
  i2c: mux: Add register-based mux i2c-mux-reg
  i2c: dt: describe generic bindings
  i2c: slave: print warning if slave flag not set
  i2c: support 10 bit and slave addresses in sysfs 'new_device'
  i2c: take address space into account when checking for used addresses
  i2c: apply DT flags when probing
  i2c: make address check indpendent from client struct
  i2c: rename address check functions
  i2c: apply address offset for slaves, too
  ...
2015-09-08 16:16:26 -07:00
Linus Torvalds c19176154b RTC for 4.3
Core:
  - use is_visible() to control sysfs attributes
  - switch wakealarm attribute to DEVICE_ATTR_RW
  - make rtc_does_wakealarm() return boolean
  - properly manage lifetime of dev and cdev in rtc device
  - remove unnecessary device_get() in rtc_device_unregister
  - fix double free in rtc_register_device() error path
 
 New drivers:
  - NXP LPC24xx
  - Xilinx Zynq MP
  - Dialog DA9062
 
 Subsystem wide cleanups:
  - fix drivers that consider 0 as a valid IRQ in client->irq
  - Drop (un)likely before IS_ERR(_OR_NULL)
  - drop the remaining owner assignment for i2c_driver and platform_driver
  - module autoload fixes
 
 Drivers:
  - 88pm80x: add device tree support
  - abx80x: fix RTC write bit
  - ab8500: Add a sentinel to ab85xx_rtc_ids[]
  - armada38x: Align RTC set time procedure with the official errata
  - as3722: correct month value
  - at91sam9: cleanups
  - at91rm9200: get and use slow clock and cleanups
  - bq32k: remove redundant check
  - cmos: century support, proper fix for the spurious wakeup
  - ds1307: cleanups and wakeup irq support
  - ds1374: Remove unused variable
  - ds1685: Use module_platform_driver
  - ds3232: fix WARNING trace in resume function
  - gemini: fix ptr_ret.cocci warnings
  - mt6397: implement suspend/resume
  - omap: support internal and external clock enabling
  - opal: Enable alarms only when opal supports tpo
  - pcf2127: use OFS flag to detect unreliable date and warn the user
  - pl031: fix typo for author email
  - rx8025: huge cleanup and fixes
  - sa1100/pxa: share common code
  - s5m: fix to update ctrl register
  - s3c: fix clocks and wakeup, cleanup
  - sirfsoc: use regmap
  - nvram_read()/nvram_write() functions for cmos, ds1305, ds1307, ds1343,
  ds1511, ds1553, ds1742, m48t59, rp5c01, stk17ta8, tx4939
  - use rtc_valid_tm() error code when reading date/time instead of 0 for
  isl12022, pcf2123, pcf2127
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Merge tag 'rtc-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "Core:
   - use is_visible() to control sysfs attributes
   - switch wakealarm attribute to DEVICE_ATTR_RW
   - make rtc_does_wakealarm() return boolean
   - properly manage lifetime of dev and cdev in rtc device
   - remove unnecessary device_get() in rtc_device_unregister
   - fix double free in rtc_register_device() error path

  New drivers:
   - NXP LPC24xx
   - Xilinx Zynq MP
   - Dialog DA9062

  Subsystem wide cleanups:
   - fix drivers that consider 0 as a valid IRQ in client->irq
   - Drop (un)likely before IS_ERR(_OR_NULL)
   - drop the remaining owner assignment for i2c_driver and
     platform_driver
   - module autoload fixes

  Drivers:
   - 88pm80x: add device tree support
   - abx80x: fix RTC write bit
   - ab8500: Add a sentinel to ab85xx_rtc_ids[]
   - armada38x: Align RTC set time procedure with the official errata
   - as3722: correct month value
   - at91sam9: cleanups
   - at91rm9200: get and use slow clock and cleanups
   - bq32k: remove redundant check
   - cmos: century support, proper fix for the spurious wakeup
   - ds1307: cleanups and wakeup irq support
   - ds1374: Remove unused variable
   - ds1685: Use module_platform_driver
   - ds3232: fix WARNING trace in resume function
   - gemini: fix ptr_ret.cocci warnings
   - mt6397: implement suspend/resume
   - omap: support internal and external clock enabling
   - opal: Enable alarms only when opal supports tpo
   - pcf2127: use OFS flag to detect unreliable date and warn the user
   - pl031: fix typo for author email
   - rx8025: huge cleanup and fixes
   - sa1100/pxa: share common code
   - s5m: fix to update ctrl register
   - s3c: fix clocks and wakeup, cleanup
   - sirfsoc: use regmap
   - nvram_read()/nvram_write() functions for cmos, ds1305, ds1307,
     ds1343, ds1511, ds1553, ds1742, m48t59, rp5c01, stk17ta8, tx4939
   - use rtc_valid_tm() error code when reading date/time instead of 0
     for isl12022, pcf2123, pcf2127"

* tag 'rtc-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (90 commits)
  rtc: abx80x: fix RTC write bit
  rtc: ab8500: Add a sentinel to ab85xx_rtc_ids[]
  rtc: ds1374: Remove unused variable
  rtc: Fix module autoload for OF platform drivers
  rtc: Fix module autoload for rtc-{ab8500,max8997,s5m} drivers
  rtc: omap: Add external clock enabling support
  rtc: omap: Add internal clock enabling support
  ARM: dts: AM437x: Add the internal and external clock nodes for rtc
  rtc: s5m: fix to update ctrl register
  rtc: add xilinx zynqmp rtc driver
  devicetree: bindings: rtc: add bindings for xilinx zynqmp rtc
  rtc: as3722: correct month value
  ARM: config: Switch PXA27x platforms to use PXA RTC driver
  ARM: mmp: remove unused RTC register definitions
  ARM: sa1100: remove unused RTC register definitions
  rtc: sa1100/pxa: convert to run-time register mapping
  ARM: pxa: add memory resource to SA1100 RTC device
  rtc: pxa: convert to use shared sa1100 functions
  rtc: sa1100: prepare to share sa1100_rtc_ops
  rtc: ds3232: fix WARNING trace in resume function
  ...
2015-09-08 15:46:31 -07:00
Sergey Senozhatsky 860c707dca zsmalloc: account the number of compacted pages
Compaction returns back to zram the number of migrated objects, which is
quite uninformative -- we have objects of different sizes so user space
cannot obtain any valuable data from that number.  Change compaction to
operate in terms of pages and return back to compaction issuer the
number of pages that were freed during compaction.  So from now on we
will export more meaningful value in zram<id>/mm_stat -- the number of
freed (compacted) pages.

This requires:
 (a) a rename of `num_migrated' to 'pages_compacted'
 (b) a internal API change -- return first_page's fullness_group from
     putback_zspage(), so we know when putback_zspage() did
     free_zspage().  It helps us to account compaction stats correctly.

Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-09-08 15:35:28 -07:00
Yaowei Bai 013110a73d mm/page_alloc.c: fix a misleading comment
The comment says that the per-cpu batchsize and zone watermarks are
determined by present_pages which is definitely wrong, they are both
calculated from managed_pages.  Fix it.

Signed-off-by: Yaowei Bai <bywxiaobai@163.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-09-08 15:35:28 -07:00
Mike Kravetz e6590740ce Documentation: update libhugetlbfs location and use for testing
The URL for libhugetlbfs has changed.  Also, put a stronger emphasis on
using libgugetlbfs for hugetlb regression testing.

Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>
Acked-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Joern Engel <joern@logfs.org>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: David Rientjes <rientjes@google.com>
Cc: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-09-08 15:35:28 -07:00
Sean O. Stalley ad82362b2d mm: add dma_pool_zalloc() call to DMA API
Add a wrapper function for dma_pool_alloc() to get zeroed memory.

Signed-off-by: Sean O. Stalley <sean.stalley@intel.com>
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Gilles Muller <Gilles.Muller@lip6.fr>
Cc: Nicolas Palix <nicolas.palix@imag.fr>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-09-08 15:35:28 -07:00
David Rientjes 071a4befeb mm, oom: do not panic for oom kills triggered from sysrq
Sysrq+f is used to kill a process either for debug or when the VM is
otherwise unresponsive.

It is not intended to trigger a panic when no process may be killed.

Avoid panicking the system for sysrq+f when no processes are killed.

Signed-off-by: David Rientjes <rientjes@google.com>
Suggested-by: Michal Hocko <mhocko@suse.cz>
Cc: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-09-08 15:35:28 -07:00
Minchan Kim 8334b96221 mm: /proc/pid/smaps:: show proportional swap share of the mapping
We want to know per-process workingset size for smart memory management
on userland and we use swap(ex, zram) heavily to maximize memory
efficiency so workingset includes swap as well as RSS.

On such system, if there are lots of shared anonymous pages, it's really
hard to figure out exactly how many each process consumes memory(ie, rss
+ wap) if the system has lots of shared anonymous memory(e.g, android).

This patch introduces SwapPss field on /proc/<pid>/smaps so we can get
more exact workingset size per process.

Bongkyu tested it. Result is below.

1. 50M used swap
SwapTotal: 461976 kB
SwapFree: 411192 kB

$ adb shell cat /proc/*/smaps | grep "SwapPss:" | awk '{sum += $2} END {print sum}';
48236
$ adb shell cat /proc/*/smaps | grep "Swap:" | awk '{sum += $2} END {print sum}';
141184

2. 240M used swap
SwapTotal: 461976 kB
SwapFree: 216808 kB

$ adb shell cat /proc/*/smaps | grep "SwapPss:" | awk '{sum += $2} END {print sum}';
230315
$ adb shell cat /proc/*/smaps | grep "Swap:" | awk '{sum += $2} END {print sum}';
1387744

[akpm@linux-foundation.org: simplify kunmap_atomic() call]
Signed-off-by: Minchan Kim <minchan@kernel.org>
Reported-by: Bongkyu Kim <bongkyu.kim@lge.com>
Tested-by: Bongkyu Kim <bongkyu.kim@lge.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Jerome Marchand <jmarchan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-09-08 15:35:28 -07:00
Konstantin Khlebnikov 83b4b0bb63 pagemap: update documentation
Notes about recent changes.

[akpm@linux-foundation.org: various tweaks]
Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Cc: Mark Williamson <mwilliamson@undo-software.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-09-08 15:35:28 -07:00
Konstantin Khlebnikov 77bb499bb6 pagemap: add mmap-exclusive bit for marking pages mapped only here
This patch sets bit 56 in pagemap if this page is mapped only once.  It
allows to detect exclusively used pages without exposing PFN:

present file exclusive state
0       0    0         non-present
1       1    0         file page mapped somewhere else
1       1    1         file page mapped only here
1       0    0         anon non-CoWed page (shared with parent/child)
1       0    1         anon CoWed page (or never forked)

CoWed pages in (MAP_FILE | MAP_PRIVATE) areas are anon in this context.

MMap-exclusive bit doesn't reflect potential page-sharing via swapcache:
page could be mapped once but has several swap-ptes which point to it.
Application could detect that by swap bit in pagemap entry and touch that
pte via /proc/pid/mem to get real information.

See http://lkml.kernel.org/r/CAEVpBa+_RyACkhODZrRvQLs80iy0sqpdrd0AaP_-tgnX3Y9yNQ@mail.gmail.com

Requested by Mark Williamson.

[akpm@linux-foundation.org: fix spello]
Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Reviewed-by: Mark Williamson <mwilliamson@undo-software.com>
Tested-by:  Mark Williamson <mwilliamson@undo-software.com>
Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-09-08 15:35:28 -07:00
Matthew Wilcox 844f35db10 dax: add huge page fault support
This is the support code for DAX-enabled filesystems to allow them to
provide huge pages in response to faults.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Cc: Hillf Danton <dhillf@gmail.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-09-08 15:35:28 -07:00
Linus Torvalds 12f03ee606 libnvdimm for 4.3:
1/ Introduce ZONE_DEVICE and devm_memremap_pages() as a generic
    mechanism for adding device-driver-discovered memory regions to the
    kernel's direct map.  This facility is used by the pmem driver to
    enable pfn_to_page() operations on the page frames returned by DAX
    ('direct_access' in 'struct block_device_operations'). For now, the
    'memmap' allocation for these "device" pages comes from "System
    RAM".  Support for allocating the memmap from device memory will
    arrive in a later kernel.
 
 2/ Introduce memremap() to replace usages of ioremap_cache() and
    ioremap_wt().  memremap() drops the __iomem annotation for these
    mappings to memory that do not have i/o side effects.  The
    replacement of ioremap_cache() with memremap() is limited to the
    pmem driver to ease merging the api change in v4.3.  Completion of
    the conversion is targeted for v4.4.
 
 3/ Similar to the usage of memcpy_to_pmem() + wmb_pmem() in the pmem
    driver, update the VFS DAX implementation and PMEM api to provide
    persistence guarantees for kernel operations on a DAX mapping.
 
 4/ Convert the ACPI NFIT 'BLK' driver to map the block apertures as
    cacheable to improve performance.
 
 5/ Miscellaneous updates and fixes to libnvdimm including support
    for issuing "address range scrub" commands, clarifying the optimal
    'sector size' of pmem devices, a clarification of the usage of the
    ACPI '_STA' (status) property for DIMM devices, and other minor
    fixes.
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Merge tag 'libnvdimm-for-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm

Pull libnvdimm updates from Dan Williams:
 "This update has successfully completed a 0day-kbuild run and has
  appeared in a linux-next release.  The changes outside of the typical
  drivers/nvdimm/ and drivers/acpi/nfit.[ch] paths are related to the
  removal of IORESOURCE_CACHEABLE, the introduction of memremap(), and
  the introduction of ZONE_DEVICE + devm_memremap_pages().

  Summary:

   - Introduce ZONE_DEVICE and devm_memremap_pages() as a generic
     mechanism for adding device-driver-discovered memory regions to the
     kernel's direct map.

     This facility is used by the pmem driver to enable pfn_to_page()
     operations on the page frames returned by DAX ('direct_access' in
     'struct block_device_operations').

     For now, the 'memmap' allocation for these "device" pages comes
     from "System RAM".  Support for allocating the memmap from device
     memory will arrive in a later kernel.

   - Introduce memremap() to replace usages of ioremap_cache() and
     ioremap_wt().  memremap() drops the __iomem annotation for these
     mappings to memory that do not have i/o side effects.  The
     replacement of ioremap_cache() with memremap() is limited to the
     pmem driver to ease merging the api change in v4.3.

     Completion of the conversion is targeted for v4.4.

   - Similar to the usage of memcpy_to_pmem() + wmb_pmem() in the pmem
     driver, update the VFS DAX implementation and PMEM api to provide
     persistence guarantees for kernel operations on a DAX mapping.

   - Convert the ACPI NFIT 'BLK' driver to map the block apertures as
     cacheable to improve performance.

   - Miscellaneous updates and fixes to libnvdimm including support for
     issuing "address range scrub" commands, clarifying the optimal
     'sector size' of pmem devices, a clarification of the usage of the
     ACPI '_STA' (status) property for DIMM devices, and other minor
     fixes"

* tag 'libnvdimm-for-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: (34 commits)
  libnvdimm, pmem: direct map legacy pmem by default
  libnvdimm, pmem: 'struct page' for pmem
  libnvdimm, pfn: 'struct page' provider infrastructure
  x86, pmem: clarify that ARCH_HAS_PMEM_API implies PMEM mapped WB
  add devm_memremap_pages
  mm: ZONE_DEVICE for "device memory"
  mm: move __phys_to_pfn and __pfn_to_phys to asm/generic/memory_model.h
  dax: drop size parameter to ->direct_access()
  nd_blk: change aperture mapping from WC to WB
  nvdimm: change to use generic kvfree()
  pmem, dax: have direct_access use __pmem annotation
  dax: update I/O path to do proper PMEM flushing
  pmem: add copy_from_iter_pmem() and clear_pmem()
  pmem, x86: clean up conditional pmem includes
  pmem: remove layer when calling arch_has_wmb_pmem()
  pmem, x86: move x86 PMEM API to new pmem.h header
  libnvdimm, e820: make CONFIG_X86_PMEM_LEGACY a tristate option
  pmem: switch to devm_ allocations
  devres: add devm_memremap
  libnvdimm, btt: write and validate parent_uuid
  ...
2015-09-08 14:35:59 -07:00
Linus Torvalds 59a47fff02 Mostly this is just clean ups and micro optimizations.
The changes with more meat are:
 
  o Allowing the trace event filters to filter on CPU number and process ids
 
  o Two new markers for trace output latency were added
     (10 and 100 msec latencies)
 
  o Have tracing_thresh filter function profiling time
 
 I also worked on modifying the ring buffer code for some future
 work, and moved the adding of the timestamp around. One of my changes
 caused a regression, and since other changes were built on top of it
 and already tested, I had to operate a revert of that change. Instead
 of rebasing, this change set has the code that caused a regression
 as well as the code to revert that change without touching the other
 changes that were made on top of it.
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Merge tag 'trace-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing update from Steven Rostedt:
 "Mostly this is just clean ups and micro optimizations.

  The changes with more meat are:

   - Allowing the trace event filters to filter on CPU number and
     process ids

   - Two new markers for trace output latency were added (10 and 100
     msec latencies)

   - Have tracing_thresh filter function profiling time

  I also worked on modifying the ring buffer code for some future work,
  and moved the adding of the timestamp around.  One of my changes
  caused a regression, and since other changes were built on top of it
  and already tested, I had to operate a revert of that change.  Instead
  of rebasing, this change set has the code that caused a regression as
  well as the code to revert that change without touching the other
  changes that were made on top of it"

* tag 'trace-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  ring-buffer: Revert "ring-buffer: Get timestamp after event is allocated"
  tracing: Don't make assumptions about length of string on task rename
  tracing: Allow triggers to filter for CPU ids and process names
  ftrace: Format MCOUNT_ADDR address as type unsigned long
  tracing: Introduce two additional marks for delay
  ftrace: Fix function_graph duration spacing with 7-digits
  ftrace: add tracing_thresh to function profile
  tracing: Clean up stack tracing and fix fentry updates
  ring-buffer: Reorganize function locations
  ring-buffer: Make sure event has enough room for extend and padding
  ring-buffer: Get timestamp after event is allocated
  ring-buffer: Move the adding of the extended timestamp out of line
  ring-buffer: Add event descriptor to simplify passing data
  ftrace: correct the counter increment for trace_buffer data
  tracing: Fix for non-continuous cpu ids
  tracing: Prefer kcalloc over kzalloc with multiply
2015-09-08 14:04:14 -07:00
Linus Torvalds b793c005ce Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull security subsystem updates from James Morris:
 "Highlights:

   - PKCS#7 support added to support signed kexec, also utilized for
     module signing.  See comments in 3f1e1bea.

     ** NOTE: this requires linking against the OpenSSL library, which
        must be installed, e.g.  the openssl-devel on Fedora **

   - Smack
      - add IPv6 host labeling; ignore labels on kernel threads
      - support smack labeling mounts which use binary mount data

   - SELinux:
      - add ioctl whitelisting (see
        http://kernsec.org/files/lss2015/vanderstoep.pdf)
      - fix mprotect PROT_EXEC regression caused by mm change

   - Seccomp:
      - add ptrace options for suspend/resume"

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (57 commits)
  PKCS#7: Add OIDs for sha224, sha284 and sha512 hash algos and use them
  Documentation/Changes: Now need OpenSSL devel packages for module signing
  scripts: add extract-cert and sign-file to .gitignore
  modsign: Handle signing key in source tree
  modsign: Use if_changed rule for extracting cert from module signing key
  Move certificate handling to its own directory
  sign-file: Fix warning about BIO_reset() return value
  PKCS#7: Add MODULE_LICENSE() to test module
  Smack - Fix build error with bringup unconfigured
  sign-file: Document dependency on OpenSSL devel libraries
  PKCS#7: Appropriately restrict authenticated attributes and content type
  KEYS: Add a name for PKEY_ID_PKCS7
  PKCS#7: Improve and export the X.509 ASN.1 time object decoder
  modsign: Use extract-cert to process CONFIG_SYSTEM_TRUSTED_KEYS
  extract-cert: Cope with multiple X.509 certificates in a single file
  sign-file: Generate CMS message as signature instead of PKCS#7
  PKCS#7: Support CMS messages also [RFC5652]
  X.509: Change recorded SKID & AKID to not include Subject or Issuer
  PKCS#7: Check content type and versions
  MAINTAINERS: The keyrings mailing list has moved
  ...
2015-09-08 12:41:25 -07:00
Linus Torvalds 752240e74d xen: features and fixes for 4.3-rc0
- Convert xen-blkfront to the multiqueue API
 - [arm] Support binding event channels to different VCPUs.
 - [x86] Support > 512 GiB in a PV guests (off by default as such a
   guest cannot be migrated with the current toolstack).
 - [x86] PMU support for PV dom0 (limited support for using perf with
   Xen and other guests).
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Merge tag 'for-linus-4.3-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen updates from David Vrabel:
 "Xen features and fixes for 4.3:

   - Convert xen-blkfront to the multiqueue API
   - [arm] Support binding event channels to different VCPUs.
   - [x86] Support > 512 GiB in a PV guests (off by default as such a
     guest cannot be migrated with the current toolstack).
   - [x86] PMU support for PV dom0 (limited support for using perf with
     Xen and other guests)"

* tag 'for-linus-4.3-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: (33 commits)
  xen: switch extra memory accounting to use pfns
  xen: limit memory to architectural maximum
  xen: avoid another early crash of memory limited dom0
  xen: avoid early crash of memory limited dom0
  arm/xen: Remove helpers which are PV specific
  xen/x86: Don't try to set PCE bit in CR4
  xen/PMU: PMU emulation code
  xen/PMU: Intercept PMU-related MSR and APIC accesses
  xen/PMU: Describe vendor-specific PMU registers
  xen/PMU: Initialization code for Xen PMU
  xen/PMU: Sysfs interface for setting Xen PMU mode
  xen: xensyms support
  xen: remove no longer needed p2m.h
  xen: allow more than 512 GB of RAM for 64 bit pv-domains
  xen: move p2m list if conflicting with e820 map
  xen: add explicit memblock_reserve() calls for special pages
  mm: provide early_memremap_ro to establish read-only mapping
  xen: check for initrd conflicting with e820 map
  xen: check pre-allocated page tables for conflict with memory map
  xen: check for kernel memory conflicting with memory layout
  ...
2015-09-08 11:46:48 -07:00
Jonathan Corbet edcd591c77 locking/static_keys: Fix a silly typo
Commit:

  412758cb26 ("jump label, locking/static_keys: Update docs")

introduced a typo that might as well get fixed.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jason Baron <jbaron@akamai.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20150907131803.54c027e1@lwn.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-09-08 09:02:17 +02:00
Linus Torvalds 4e4adb2f46 NFS client updates for Linux 4.3
Highlights include:
 
 Stable patches:
 - Fix atomicity of pNFS commit list updates
 - Fix NFSv4 handling of open(O_CREAT|O_EXCL|O_RDONLY)
 - nfs_set_pgio_error sometimes misses errors
 - Fix a thinko in xs_connect()
 - Fix borkage in _same_data_server_addrs_locked()
 - Fix a NULL pointer dereference of migration recovery ops for v4.2 client
 - Don't let the ctime override attribute barriers.
 - Revert "NFSv4: Remove incorrect check in can_open_delegated()"
 - Ensure flexfiles pNFS driver updates the inode after write finishes
 - flexfiles must not pollute the attribute cache with attrbutes from the DS
 - Fix a protocol error in layoutreturn
 - Fix a protocol issue with NFSv4.1 CLOSE stateids
 
 Bugfixes + cleanups
 - pNFS blocks bugfixes from Christoph
 - Various cleanups from Anna
 - More fixes for delegation corner cases
 - Don't fsync twice for O_SYNC/IS_SYNC files
 - Fix pNFS and flexfiles layoutstats bugs
 - pnfs/flexfiles: avoid duplicate tracking of mirror data
 - pnfs: Fix layoutget/layoutreturn/return-on-close serialisation issues.
 - pnfs/flexfiles: error handling retries a layoutget before fallback to MDS
 
 Features:
 - Full support for the OPEN NFS4_CREATE_EXCLUSIVE4_1 mode from Kinglong
 - More RDMA client transport improvements from Chuck
 - Removal of the deprecated ib_reg_phys_mr() and ib_rereg_phys_mr() verbs
   from the SUNRPC, Lustre and core infiniband tree.
 - Optimise away the close-to-open getattr if there is no cached data
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Merge tag 'nfs-for-4.3-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client updates from Trond Myklebust:
 "Highlights include:

  Stable patches:
   - Fix atomicity of pNFS commit list updates
   - Fix NFSv4 handling of open(O_CREAT|O_EXCL|O_RDONLY)
   - nfs_set_pgio_error sometimes misses errors
   - Fix a thinko in xs_connect()
   - Fix borkage in _same_data_server_addrs_locked()
   - Fix a NULL pointer dereference of migration recovery ops for v4.2
     client
   - Don't let the ctime override attribute barriers.
   - Revert "NFSv4: Remove incorrect check in can_open_delegated()"
   - Ensure flexfiles pNFS driver updates the inode after write finishes
   - flexfiles must not pollute the attribute cache with attrbutes from
     the DS
   - Fix a protocol error in layoutreturn
   - Fix a protocol issue with NFSv4.1 CLOSE stateids

  Bugfixes + cleanups
   - pNFS blocks bugfixes from Christoph
   - Various cleanups from Anna
   - More fixes for delegation corner cases
   - Don't fsync twice for O_SYNC/IS_SYNC files
   - Fix pNFS and flexfiles layoutstats bugs
   - pnfs/flexfiles: avoid duplicate tracking of mirror data
   - pnfs: Fix layoutget/layoutreturn/return-on-close serialisation
     issues
   - pnfs/flexfiles: error handling retries a layoutget before fallback
     to MDS

  Features:
   - Full support for the OPEN NFS4_CREATE_EXCLUSIVE4_1 mode from
     Kinglong
   - More RDMA client transport improvements from Chuck
   - Removal of the deprecated ib_reg_phys_mr() and ib_rereg_phys_mr()
     verbs from the SUNRPC, Lustre and core infiniband tree.
   - Optimise away the close-to-open getattr if there is no cached data"

* tag 'nfs-for-4.3-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (108 commits)
  NFSv4: Respect the server imposed limit on how many changes we may cache
  NFSv4: Express delegation limit in units of pages
  Revert "NFS: Make close(2) asynchronous when closing NFS O_DIRECT files"
  NFS: Optimise away the close-to-open getattr if there is no cached data
  NFSv4.1/flexfiles: Clean up ff_layout_write_done_cb/ff_layout_commit_done_cb
  NFSv4.1/flexfiles: Mark the layout for return in ff_layout_io_track_ds_error()
  nfs: Remove unneeded checking of the return value from scnprintf
  nfs: Fix truncated client owner id without proto type
  NFSv4.1/flexfiles: Mark layout for return if the mirrors are invalid
  NFSv4.1/flexfiles: RW layouts are valid only if all mirrors are valid
  NFSv4.1/flexfiles: Fix incorrect usage of pnfs_generic_mark_devid_invalid()
  NFSv4.1/flexfiles: Fix freeing of mirrors
  NFSv4.1/pNFS: Don't request a minimal read layout beyond the end of file
  NFSv4.1/pnfs: Handle LAYOUTGET return values correctly
  NFSv4.1/pnfs: Don't ask for a read layout for an empty file.
  NFSv4.1: Fix a protocol issue with CLOSE stateids
  NFSv4.1/flexfiles: Don't mark the entire deviceid as bad for file errors
  SUNRPC: Prevent SYN+SYNACK+RST storms
  SUNRPC: xs_reset_transport must mark the connection as disconnected
  NFSv4.1/pnfs: Ensure layoutreturn reserves space for the opaque payload
  ...
2015-09-07 14:02:24 -07:00
James Hogan e7e98d7677 Documentation/features/vm: Meta2 is capable of THP
Change metag Transparent Huge Pages (THP) support from .. to TODO. Meta2
has variable sized pages, between 4KB and 4MB, specified at the 1st
level page table level, and already supports hugetlbfs, so supporting
THP is theoretically possible too.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-metag@vger.kernel.org
Cc: linux-doc@vger.kernel.org
2015-09-07 08:57:53 +01:00
Linus Torvalds 9cfcc658da media updates for v4.3-rc1
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Merge tag 'media/v4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:
 - new DVB frontend drivers: ascot2e, cxd2841er, horus3a, lnbh25
 - new HDMI capture driver: tc358743
 - new driver for NetUP DVB new boards (netup_unidvb)
 - IR support for DVBSky cards (smipcie-ir)
 - Coda driver has gain macroblock tiling support
 - Renesas R-Car gains JPEG codec driver
 - new DVB platform driver for STi boards: c8sectpfe
 - added documentation for the media core kABI to device-drivers DocBook
 - lots of driver fixups, cleanups and improvements

* tag 'media/v4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (297 commits)
  [media] c8sectpfe: Remove select on undefined LIBELF_32
  [media] i2c: fix platform_no_drv_owner.cocci warnings
  [media] cx231xx: Use wake_up_interruptible() instead of wake_up_interruptible_nr()
  [media] tc358743: only queue subdev notifications if devnode is set
  [media] tc358743: add missing Kconfig dependency/select
  [media] c8sectpfe: Use %pad to print 'dma_addr_t'
  [media] DocBook media: Fix typo "the the" in xml files
  [media] tc358743: make reset gpio optional
  [media] tc358743: set direction of reset gpio using devm_gpiod_get
  [media] dvbdev: document most of the functions/data structs
  [media] dvb_frontend.h: document the struct dvb_frontend
  [media] dvb-frontend.h: document struct dtv_frontend_properties
  [media] dvb-frontend.h: document struct dvb_frontend_ops
  [media] dvb: Use DVBFE_ALGO_HW where applicable
  [media] dvb_frontend.h: document struct analog_demod_ops
  [media] dvb_frontend.h: Document struct dvb_tuner_ops
  [media] Docbook: Document struct analog_parameters
  [media] dvb_frontend.h: get rid of dvbfe_modcod
  [media] add documentation for struct dvb_tuner_info
  [media] dvb_frontend: document dvb_frontend_tune_settings
  ...
2015-09-05 18:21:14 -07:00
Linus Torvalds 2a013e37ce md updates for 4.3
- An assortment of little fixes, several for minor races only likely
   to be hit during testing
 - further cluster-md-raid1 development, not ready for real use yet.
 - new RAID6 syndrome code for ARM NEON
 - fix a race where a write can return before failure of one device
   is properly recorded in metadata, so an immediate crash might result
   in that write being lost.
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Merge tag 'md/4.3' of git://neil.brown.name/md

Pull md updates from Neil Brown:

 - an assortment of little fixes, several for minor races only likely to
   be hit during testing

 - further cluster-md-raid1 development, not ready for real use yet.

 - new RAID6 syndrome code for ARM NEON

 - fix a race where a write can return before failure of one device is
   properly recorded in metadata, so an immediate crash might result in
   that write being lost.

* tag 'md/4.3' of git://neil.brown.name/md: (33 commits)
  md/raid5: ensure device failure recorded before write request returns.
  md/raid5: use bio_list for the list of bios to return.
  md/raid10: ensure device failure recorded before write request returns.
  md/raid1: ensure device failure recorded before write request returns.
  md-cluster: remove inappropriate try_module_get from join()
  md: extend spinlock protection in register_md_cluster_operations
  md-cluster: Read the disk bitmap sb and check if it needs recovery
  md-cluster: only call complete(&cinfo->completion) when node join cluster
  md-cluster: add missed lockres_free
  md-cluster: remove the unused sb_lock
  md-cluster: init suspend_list and suspend_lock early in join
  md-cluster: add the error check if failed to get dlm lock
  md-cluster: init completion within lockres_init
  md-cluster: fix deadlock issue on message lock
  md-cluster: transfer the resync ownership to another node
  md-cluster: split recover_slot for future code reuse
  md-cluster: use %pU to print UUIDs
  md: setup safemode_timer before it's being used
  md/raid5: handle possible race as reshape completes.
  md: sync sync_completed has correct value as recovery finishes.
  ...
2015-09-05 17:52:22 -07:00
Linus Torvalds 17447717a3 Nothing major, but:
- Add Jeff Layton as an nfsd co-maintainer: no change to
           existing practice, just an acknowledgement of the status quo.
         - Two patches ("nfsd: ensure that...") for a race overlooked by
           the state locking rewrite, causing a crash noticed by multiple
           users.
         - Lots of smaller bugfixes all over from Kinglong Mee.
         - From Jeff, some cleanup of server rpc code in preparation for
           possible shift of nfsd threads to workqueues.
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Merge tag 'nfsd-4.3' of git://linux-nfs.org/~bfields/linux

Pull nfsd updates from Bruce Fields:
 "Nothing major, but:

   - Add Jeff Layton as an nfsd co-maintainer: no change to existing
     practice, just an acknowledgement of the status quo.

   - Two patches ("nfsd: ensure that...") for a race overlooked by the
     state locking rewrite, causing a crash noticed by multiple users.

   - Lots of smaller bugfixes all over from Kinglong Mee.

   - From Jeff, some cleanup of server rpc code in preparation for
     possible shift of nfsd threads to workqueues"

* tag 'nfsd-4.3' of git://linux-nfs.org/~bfields/linux: (52 commits)
  nfsd: deal with DELEGRETURN racing with CB_RECALL
  nfsd: return CLID_INUSE for unexpected SETCLIENTID_CONFIRM case
  nfsd: ensure that delegation stateid hash references are only put once
  nfsd: ensure that the ol stateid hash reference is only put once
  net: sunrpc: fix tracepoint Warning: unknown op '->'
  nfsd: allow more than one laundry job to run at a time
  nfsd: don't WARN/backtrace for invalid container deployment.
  fs: fix fs/locks.c kernel-doc warning
  nfsd: Add Jeff Layton as co-maintainer
  NFSD: Return word2 bitmask if setting security label in OPEN/CREATE
  NFSD: Set the attributes used to store the verifier for EXCLUSIVE4_1
  nfsd: SUPPATTR_EXCLCREAT must be encoded before SECURITY_LABEL.
  nfsd: Fix an FS_LAYOUT_TYPES/LAYOUT_TYPES encode bug
  NFSD: Store parent's stat in a separate value
  nfsd: Fix two typos in comments
  lockd: NLM grace period shouldn't block NFSv4 opens
  nfsd: include linux/nfs4.h in export.h
  sunrpc: Switch to using hash list instead single list
  sunrpc/nfsd: Remove redundant code by exports seq_operations functions
  sunrpc: Store cache_detail in seq_file's private directly
  ...
2015-09-05 17:26:24 -07:00
Linus Torvalds 6c0f568e84 Merge branch 'akpm' (patches from Andrew)
Merge patch-bomb from Andrew Morton:

 - a few misc things

 - Andy's "ambient capabilities"

 - fs/nofity updates

 - the ocfs2 queue

 - kernel/watchdog.c updates and feature work.

 - some of MM.  Includes Andrea's userfaultfd feature.

[ Hadn't noticed that userfaultfd was 'default y' when applying the
  patches, so that got fixed in this merge instead.  We do _not_ mark
  new features that nobody uses yet 'default y'   - Linus ]

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (118 commits)
  mm/hugetlb.c: make vma_has_reserves() return bool
  mm/madvise.c: make madvise_behaviour_valid() return bool
  mm/memory.c: make tlb_next_batch() return bool
  mm/dmapool.c: change is_page_busy() return from int to bool
  mm: remove struct node_active_region
  mremap: simplify the "overlap" check in mremap_to()
  mremap: don't do uneccesary checks if new_len == old_len
  mremap: don't do mm_populate(new_addr) on failure
  mm: move ->mremap() from file_operations to vm_operations_struct
  mremap: don't leak new_vma if f_op->mremap() fails
  mm/hugetlb.c: make vma_shareable() return bool
  mm: make GUP handle pfn mapping unless FOLL_GET is requested
  mm: fix status code which move_pages() returns for zero page
  mm: memcontrol: bring back the VM_BUG_ON() in mem_cgroup_swapout()
  genalloc: add support of multiple gen_pools per device
  genalloc: add name arg to gen_pool_get() and devm_gen_pool_create()
  mm/memblock: WARN_ON when nid differs from overlap region
  Documentation/features/vm: add feature description and arch support status for batched TLB flush after unmap
  mm: defer flush of writable TLB entries
  mm: send one IPI per CPU to TLB flush all entries after unmapping pages
  ...
2015-09-05 14:27:38 -07:00
Haibo Chen 9a436d524d Input: touchscreen - add imx6ul_tsc driver support
Freescale i.MX6UL contains a internal touchscreen controller,
this patch add a driver to support this controller.

Signed-off-by: Haibo Chen <haibo.chen@freescale.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-09-05 11:49:33 -07:00
Sanchayan Maity 48ead50c1d Input: Add touchscreen support for Colibri VF50
The Colibri Vybrid VF50 module supports 4-wire touchscreens using
FETs and ADC inputs. This driver uses the IIO consumer interface
and relies on the vf610_adc driver based on the IIO framework.

Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-09-05 11:11:48 -07:00
Keerthy fff51e771e ARM: dts: AM437x: Add the internal and external clock nodes for rtc
rtc can either be supplied from internal 32k clock or external crystal
generated 32k clock. Internal clock is SOC specific and the external
clock is board dependent. Adding the corresponding nodes.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2015-09-05 19:37:20 +02:00
Suneel Garapati 12ece40d91 devicetree: bindings: rtc: add bindings for xilinx zynqmp rtc
adds file for description on device node bindings for RTC
found on Xilinx Zynq Ultrascale+ MPSoC.

Signed-off-by: Suneel Garapati <suneel.garapati@xilinx.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2015-09-05 19:37:19 +02:00
Joachim Eastwood dcb9372b34 doc: dt: add documentation for nxp,lpc1788-rtc
Document NXP LPC178x/18xx/408x/43xx bindings

Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2015-09-05 13:19:06 +02:00
NeilBrown e89c6fdf9e Merge linux-block/for-4.3/core into md/for-linux
There were a few conflicts that are fairly easy to resolve.

Signed-off-by: NeilBrown <neilb@suse.com>
2015-09-05 11:08:32 +02:00
Mel Gorman c7e1e3ccfb Documentation/features/vm: add feature description and arch support status for batched TLB flush after unmap
Signed-off-by: Mel Gorman <mgorman@suse.de>
Acked-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-09-04 16:54:41 -07:00
Andrea Arcangeli a9b85f9415 userfaultfd: change the read API to return a uffd_msg
I had requests to return the full address (not the page aligned one) to
userland.

It's not entirely clear how the page offset could be relevant because
userfaults aren't like SIGBUS that can sigjump to a different place and it
actually skip resolving the fault depending on a page offset.  There's
currently no real way to skip the fault especially because after a
UFFDIO_COPY|ZEROPAGE, the fault is optimized to be retried within the
kernel without having to return to userland first (not even self modifying
code replacing the .text that touched the faulting address would prevent
the fault to be repeated).  Userland cannot skip repeating the fault even
more so if the fault was triggered by a KVM secondary page fault or any
get_user_pages or any copy-user inside some syscall which will return to
kernel code.  The second time FAULT_FLAG_RETRY_NOWAIT won't be set leading
to a SIGBUS being raised because the userfault can't wait if it cannot
release the mmap_map first (and FAULT_FLAG_RETRY_NOWAIT is required for
that).

Still returning userland a proper structure during the read() on the uffd,
can allow to use the current UFFD_API for the future non-cooperative
extensions too and it looks cleaner as well.  Once we get additional
fields there's no point to return the fault address page aligned anymore
to reuse the bits below PAGE_SHIFT.

The only downside is that the read() syscall will read 32bytes instead of
8bytes but that's not going to be measurable overhead.

The total number of new events that can be extended or of new future bits
for already shipped events, is limited to 64 by the features field of the
uffdio_api structure.  If more will be needed a bump of UFFD_API will be
required.

[akpm@linux-foundation.org: use __packed]
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Acked-by: Pavel Emelyanov <xemul@parallels.com>
Cc: Sanidhya Kashyap <sanidhya.gatech@gmail.com>
Cc: zhang.zhanghailiang@huawei.com
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Andres Lagar-Cavilla <andreslc@google.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Hugh Dickins <hughd@google.com>
Cc: Peter Feiner <pfeiner@google.com>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: "Huangpeng (Peter)" <peter.huangpeng@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-09-04 16:54:41 -07:00
Andrea Arcangeli 1038628d80 userfaultfd: uAPI
Defines the uAPI of the userfaultfd, notably the ioctl numbers and protocol.

Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Acked-by: Pavel Emelyanov <xemul@parallels.com>
Cc: Sanidhya Kashyap <sanidhya.gatech@gmail.com>
Cc: zhang.zhanghailiang@huawei.com
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Andres Lagar-Cavilla <andreslc@google.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Hugh Dickins <hughd@google.com>
Cc: Peter Feiner <pfeiner@google.com>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: "Huangpeng (Peter)" <peter.huangpeng@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-09-04 16:54:41 -07:00
Andrea Arcangeli 25edd8bffd userfaultfd: linux/Documentation/vm/userfaultfd.txt
This is the latest userfaultfd patchset.  The postcopy live migration
feature on the qemu side is mostly ready to be merged and it entirely
depends on the userfaultfd syscall to be merged as well.  So it'd be great
if this patchset could be reviewed for merging in -mm.

Userfaults allow to implement on demand paging from userland and more
generally they allow userland to more efficiently take control of the
behavior of page faults than what was available before (PROT_NONE +
SIGSEGV trap).

The use cases are:

1) KVM postcopy live migration (one form of cloud memory
   externalization).

   KVM postcopy live migration is the primary driver of this work:

    http://blog.zhaw.ch/icclab/setting-up-post-copy-live-migration-in-openstack/
    http://lists.gnu.org/archive/html/qemu-devel/2015-02/msg04873.html

2) postcopy live migration of binaries inside linux containers:

    http://thread.gmane.org/gmane.linux.kernel.mm/132662

3) KVM postcopy live snapshotting (allowing to limit/throttle the
   memory usage, unlike fork would, plus the avoidance of fork
   overhead in the first place).

   While the wrprotect tracking is not implemented yet, the syscall API is
   already contemplating the wrprotect fault tracking and it's generic enough
   to allow its later implementation in a backwards compatible fashion.

4) KVM userfaults on shared memory. The UFFDIO_COPY lowlevel method
   should be extended to work also on tmpfs and then the
   uffdio_register.ioctls will notify userland that UFFDIO_COPY is
   available even when the registered virtual memory range is tmpfs
   backed.

5) alternate mechanism to notify web browsers or apps on embedded
   devices that volatile pages have been reclaimed. This basically
   avoids the need to run a syscall before the app can access with the
   CPU the virtual regions marked volatile. This depends on point 4)
   to be fulfilled first, as volatile pages happily apply to tmpfs.

Even though there wasn't a real use case requesting it yet, it also
allows to implement distributed shared memory in a way that readonly
shared mappings can exist simultaneously in different hosts and they
can be become exclusive at the first wrprotect fault.

This patch (of 22):

Add documentation.

Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Acked-by: Pavel Emelyanov <xemul@parallels.com>
Cc: Sanidhya Kashyap <sanidhya.gatech@gmail.com>
Cc: zhang.zhanghailiang@huawei.com
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Andres Lagar-Cavilla <andreslc@google.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Hugh Dickins <hughd@google.com>
Cc: Peter Feiner <pfeiner@google.com>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: "Huangpeng (Peter)" <peter.huangpeng@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-09-04 16:54:41 -07:00
Linus Torvalds f377ea88b8 Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
Pull drm updates from Dave Airlie:
 "This is the main pull request for the drm for 4.3.  Nouveau is
  probably the biggest amount of changes in here, since it missed 4.2.
  Highlights below, along with the usual bunch of fixes.

  All stuff outside drm should have applicable acks.

  Highlights:

   - new drivers:
        freescale dcu kms driver

   - core:
        more atomic fixes
        disable some dri1 interfaces on kms drivers
        drop fb panic handling, this was just getting more broken, as more locking was required.
        new core fbdev Kconfig support - instead of each driver enable/disabling it
        struct_mutex cleanups

   - panel:
        more new panels
        cleanup Kconfig

   - i915:
        Skylake support enabled by default
        legacy modesetting using atomic infrastructure
        Skylake fixes
        GEN9 workarounds

   - amdgpu:
        Fiji support
        CGS support for amdgpu
        Initial GPU scheduler - off by default
        Lots of bug fixes and optimisations.

   - radeon:
        DP fixes
        misc fixes

   - amdkfd:
        Add Carrizo support for amdkfd using amdgpu.

   - nouveau:
        long pending cleanup to complete driver,
        fully bisectable which makes it larger,
        perfmon work
        more reclocking improvements
        maxwell displayport fixes

   - vmwgfx:
        new DX device support, supports OpenGL 3.3
        screen targets support

   - mgag200:
        G200eW support
        G200e new revision support

   - msm:
        dragonboard 410c support, msm8x94 support, msm8x74v1 support
        yuv format support
        dma plane support
        mdp5 rotation
        initial hdcp

   - sti:
        atomic support

   - exynos:
        lots of cleanups
        atomic modesetting/pageflipping support
        render node support

   - tegra:
        tegra210 support (dc, dsi, dp/hdmi)
        dpms with atomic modesetting support

   - atmel:
        support for 3 more atmel SoCs
        new input formats, PRIME support.

   - dwhdmi:
        preparing to add audio support

   - rockchip:
        yuv plane support"

* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (1369 commits)
  drm/amdgpu: rename gmc_v8_0_init_compute_vmid
  drm/amdgpu: fix vce3 instance handling
  drm/amdgpu: remove ib test for the second VCE Ring
  drm/amdgpu: properly enable VM fault interrupts
  drm/amdgpu: fix warning in scheduler
  drm/amdgpu: fix buffer placement under memory pressure
  drm/amdgpu/cz: fix cz_dpm_update_low_memory_pstate logic
  drm/amdgpu: fix typo in dce11 watermark setup
  drm/amdgpu: fix typo in dce10 watermark setup
  drm/amdgpu: use top down allocation for non-CPU accessible vram
  drm/amdgpu: be explicit about cpu vram access for driver BOs (v2)
  drm/amdgpu: set MEC doorbell range for Fiji
  drm/amdgpu: implement burst NOP for SDMA
  drm/amdgpu: add insert_nop ring func and default implementation
  drm/amdgpu: add amdgpu_get_sdma_instance helper function
  drm/amdgpu: add AMDGPU_MAX_SDMA_INSTANCES
  drm/amdgpu: add burst_nop flag for sdma
  drm/amdgpu: add count field for the SDMA NOP packet v2
  drm/amdgpu: use PT for VM sync on unmap
  drm/amdgpu: make wait_event uninterruptible in push_job
  ...
2015-09-04 15:49:32 -07:00
Linus Torvalds 51e771c0d2 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input subsystem updates from Dmitry Torokhov:
 "Drivers, drivers, drivers...  No interesting input core changes this
  time"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (74 commits)
  Input: elan_i2c - use iap_version to get firmware information
  Input: max8997_haptic - fix module alias
  Input: elan_i2c - fix typos for validpage_count
  Input: psmouse - add small delay for IBM trackpoint pass-through mode
  Input: synaptics - fix handling of disabling gesture mode
  Input: elan_i2c - enable ELAN0100 acpi panels
  Input: gpio-keys - report error when disabling unsupported key
  Input: sur40 - fix error return code
  Input: sentelic - silence some underflow warnings
  Input: zhenhua - switch to using bitrev8()
  Input: cros_ec_keyb - replace KEYBOARD_CROS_EC dependency
  Input: cap11xx - add LED support
  Input: elants_i2c - fix for devm_gpiod_get API change
  Input: elan_i2c - enable asynchronous probing
  Input: elants_i2c - enable asynchronous probing
  Input: elants_i2c - wire up regulator support
  Input: do not emit unneeded EV_SYN when suspending
  Input: elants_i2c - disable idle mode before updating firmware
  MAINTAINERS: Add maintainer for atmel_mxt_ts
  Input: atmel_mxt_ts - remove warning on zero T44 count
  ...
2015-09-04 12:02:11 -07:00
Linus Torvalds abebcdfb64 sound updates for 4.3-rc1
There are little changes in core part, but lots of development are
 found in drivers, especially ASoC.  The diffstat shows regmap-
 related changes for a slight API additions / changes, and that's all.
 
 Looking at the code size statistics, the most significant addition
 is for Intel Skylake.  (Note that SKL support is still underway, the
 codec driver is missing.)  Also STI controller driver is a major
 addition as well as a few new codec drivers.
 
 In HD-audio side, there are fewer changes than the past.  The
 noticeable change is the support of ELD notification from i915
 graphics driver.  Thus this pull request carries a few changes in
 drm/i915.
 
 Other than that, USB-audio got a rewrite of runtime PM code.  It
 was initiated by lockdep warning, but resulted in a good cleanup in
 the end.
 
 Below are the highlights:
 
 Common:
 - Factoring out of AC'97 reset code from ASoC into the core helper
 - A few regmap API extensions (in case it's not pulled yet)
 
 ASoC:
 - New drivers for Cirrus CS4349, GTM601, InvenSense ICS43432, Realtek
   RT298 and ST STI controllers
 - Machine drivers for Rockchip systems with MAX98090 and RT5645 and
   RT5650
 - Initial driver support for Intel Skylake devices
 - Lots of rsnd cleanup and enhancements
 - A few DAPM fixes and cleanups
 - A large number of cleanups in various drivers (conversion and
   standardized to regmap, component) mostly by Lars-Peter and Axel
 
 HD-audio:
 - Extended HD-audio core for Intel Skylake controller support
 - Quirks for Dell headsets, Alienware 15
 - Clean up of pin-based quirk tables for Realtek codecs
 - ELD notifier implenetation for Intel HDMI/DP
 
 USB-audio:
 - Refactor runtime PM code to make lockdep happier
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Merge tag 'sound-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "There are little changes in core part, but lots of development are
  found in drivers, especially ASoC.  The diffstat shows regmap-related
  changes for a slight API additions / changes, and that's all.

  Looking at the code size statistics, the most significant addition is
  for Intel Skylake.  (Note that SKL support is still underway, the
  codec driver is missing.) Also STI controller driver is a major
  addition as well as a few new codec drivers.

  In HD-audio side, there are fewer changes than the past.  The
  noticeable change is the support of ELD notification from i915
  graphics driver.  Thus this pull request carries a few changes in
  drm/i915.

  Other than that, USB-audio got a rewrite of runtime PM code.  It was
  initiated by lockdep warning, but resulted in a good cleanup in the
  end.

  Below are the highlights:

  Common:
   - Factoring out of AC'97 reset code from ASoC into the core helper
   - A few regmap API extensions (in case it's not pulled yet)

  ASoC:
   - New drivers for Cirrus CS4349, GTM601, InvenSense ICS43432, Realtek
     RT298 and ST STI controllers
   - Machine drivers for Rockchip systems with MAX98090 and RT5645 and
     RT5650
   - Initial driver support for Intel Skylake devices
   - Lots of rsnd cleanup and enhancements
   - A few DAPM fixes and cleanups
   - A large number of cleanups in various drivers (conversion and
     standardized to regmap, component) mostly by Lars-Peter and Axel

  HD-audio:
   - Extended HD-audio core for Intel Skylake controller support
   - Quirks for Dell headsets, Alienware 15
   - Clean up of pin-based quirk tables for Realtek codecs
   - ELD notifier implenetation for Intel HDMI/DP

  USB-audio:
   - Refactor runtime PM code to make lockdep happier"

* tag 'sound-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (411 commits)
  drm/i915: Add locks around audio component bind/unbind
  drm/i915: Drop port_mst_index parameter from pin/eld callback
  ALSA: hda - Fix missing inline for dummy snd_hdac_set_codec_wakeup()
  ALSA: hda - Wake the codec up on pin/ELD notify events
  ALSA: hda - allow codecs to access the i915 pin/ELD callback
  drm/i915: Call audio pin/ELD notify function
  drm/i915: Add audio pin sense / ELD callback
  ASoC: zx296702-i2s: Fix resource leak when unload module
  ASoC: sti_uniperif: Ensure component is unregistered when unload module
  ASoC: au1x: psc-i2s: Convert to use devm_ioremap_resource
  ASoC: sh: dma-sh7760: Convert to devm_snd_soc_register_platform
  ASoC: spear_pcm: Use devm_snd_dmaengine_pcm_register to fix resource leak
  ALSA: fireworks/bebob/dice/oxfw: fix substreams counting at vmalloc failure
  ASoC: Clean up docbook warnings
  ASoC: txx9: Convert to devm_snd_soc_register_platform
  ASoC: pxa: Convert to devm_snd_soc_register_platform
  ASoC: nuc900: Convert to devm_snd_soc_register_platform
  ASoC: blackfin: Convert to devm_snd_soc_register_platform
  ASoC: au1x: Convert to devm_snd_soc_register_platform
  ASoC: qcom: Constify asoc_qcom_lpass_cpu_dai_ops
  ...
2015-09-04 11:46:02 -07:00
Linus Torvalds 670c039dee - Stop using LP855X Platform Data to control regulators
- Move PWM8941 WLED driver into Backlight
  - Remove invalid use of IS_ERR_VALUE() macro
  - Remove duplicate check for NULL data before unregistering
  - Export I2C Device ID structure
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Merge tag 'backlight-for-linus-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight

Pull backlight updates from Lee Jones:
 - Stop using LP855X Platform Data to control regulators
 - Move PWM8941 WLED driver into Backlight
 - Remove invalid use of IS_ERR_VALUE() macro
 - Remove duplicate check for NULL data before unregistering
 - Export I2C Device ID structure

* tag 'backlight-for-linus-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
  backlight: tosa: Export I2C module alias information
  backlight: lp8788_bl: Delete a check before backlight_device_unregister()
  backlight: sky81452: Remove unneeded use of IS_ERR_VALUE() macro
  backlight: pm8941-wled: Move PM8941 WLED driver to backlight
  backlight: lp855x: Use private data for regulator control
2015-09-04 11:40:40 -07:00
Linus Torvalds 8bd8fd0a29 - New Device Support
- New Clocksource driver from ST
    - New MFD/ACPI/DMA drivers for Intel's Sunrisepoint PCH based platforms
    - Add support for Arizona WM8998 and WM1814
    - Add support for Dialog Semi DA9062 and DA9063
    - Add support for Kontron COMe-bBL6 and COMe-cBW6
    - Add support for X-Powers AXP152
    - Add support for Atmel, many
    - Add support for STMPE, many
    - Add support for USB in X-Powers AXP22X
 
  - Core Frameworks
    - New Base API to traverse devices and their children in reverse order
 
  - Bug Fixes
    - Fix race between runtime-suspend and IRQs
    - Obtain platform data form more reliable source
 
  - Fix-ups
    - Constifying things
    - Variable signage changes
    - Kconfig depends|selects changes
    - Make use of BIT() macro
    - Do not supply .owner attribute in *_driver structures
    - MAINTAINERS entries
    - Stop using set_irq_flags()
    - Start using irq_set_chained_handler_and_data()
    - Export DT device ID structures
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Merge tag 'mfd-for-linus-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "New Device Support:
   - New Clocksource driver from ST
   - New MFD/ACPI/DMA drivers for Intel's Sunrisepoint PCH based platforms
   - Add support for Arizona WM8998 and WM1814
   - Add support for Dialog Semi DA9062 and DA9063
   - Add support for Kontron COMe-bBL6 and COMe-cBW6
   - Add support for X-Powers AXP152
   - Add support for Atmel, many
   - Add support for STMPE, many
   - Add support for USB in X-Powers AXP22X

  Core Frameworks:
   - New Base API to traverse devices and their children in reverse order

  Bug Fixes:
   - Fix race between runtime-suspend and IRQs
   - Obtain platform data form more reliable source

  Fix-ups:
   - Constifying things
   - Variable signage changes
   - Kconfig depends|selects changes
   - Make use of BIT() macro
   - Do not supply .owner attribute in *_driver structures
   - MAINTAINERS entries
   - Stop using set_irq_flags()
   - Start using irq_set_chained_handler_and_data()
   - Export DT device ID structures"

* tag 'mfd-for-linus-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (69 commits)
  mfd: jz4740-adc: Init mask cache in generic IRQ chip
  mfd: cros_ec: spi: Add OF match table
  mfd: stmpe: Add OF match table
  mfd: max77686: Split out regulator part from the DT binding
  mfd: Add DT binding for Maxim MAX77802 IC
  mfd: max77686: Use a generic name for the PMIC node in the example
  mfd: max77686: Don't suggest in binding to use a deprecated property
  mfd: Add MFD_CROS_EC dependencies
  mfd: cros_ec: Remove CROS_EC_PROTO dependency for SPI and I2C drivers
  mfd: axp20x: Add a cell for the usb power_supply part of the axp20x PMICs
  mfd: axp20x: Add missing registers, and mark more registers volatile
  mfd: arizona: Fixup some formatting/white space errors
  mfd: wm8994: Fix NULL pointer exception on missing pdata
  of: Add vendor prefix for Nuvoton
  mfd: mt6397: Implement wake handler and suspend/resume to handle wake up event
  mfd: atmel-hlcdc: Add support for new SoCs
  mfd: Export OF module alias information in missing drivers
  mfd: stw481x: Export I2C module alias information
  mfd: da9062: Support for the DA9063 OnKey in the DA9062 core
  mfd: max899x: Avoid redundant irq_data lookup
  ...
2015-09-04 11:35:03 -07:00
Linus Torvalds 3527122745 dmaengine updates for 4.3-rc1
This time we have aded a new capability for  scatter-gathered memset using
 dmaengine APIs. This is supported in xdmac & hdmac drivers
 
 We have added support for reusing descriptors for examples like video
 buffers etc. Driver will follow
 
 The behaviour of descriptor ack has been clarified and documented
 
 New devices added are:
 - dma controller in sun[457]i SoCs
 - lpc18xx dmamux
 - ZTE ZX296702 dma controller
 - Analog Devices AXI-DMAC DMA controller
 - eDMA support for dma-crossbar
 - imx6sx support in imx-sdma driver
 - imx-sdma device to device support
 
 Others
 - jz4780 fixes
 - ioatdma large refactor and cleanup for removal of ioat v1 and v2 which is
   deprecated and fixes
 - ACPI support in X-Gene DMA engine driver
 - ipu irq fixes
 - mvxor fixes
 - minor fixes spread thru drivers
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Merge tag 'dmaengine-4.3-rc1' of git://git.infradead.org/users/vkoul/slave-dma

Pull dmaengine updates from Vinod Koul:
 "This time we have aded a new capability for scatter-gathered memset
  using dmaengine APIs.  This is supported in xdmac & hdmac drivers

  We have added support for reusing descriptors for examples like video
  buffers etc.  Driver will follow

  The behaviour of descriptor ack has been clarified and documented

  New devices added are:
   - dma controller in sun[457]i SoCs
   - lpc18xx dmamux
   - ZTE ZX296702 dma controller
   - Analog Devices AXI-DMAC DMA controller
   - eDMA support for dma-crossbar
   - imx6sx support in imx-sdma driver
   - imx-sdma device to device support

  Other:
   - jz4780 fixes
   - ioatdma large refactor and cleanup for removal of ioat v1 and v2
     which is deprecated and fixes
   - ACPI support in X-Gene DMA engine driver
   - ipu irq fixes
   - mvxor fixes
   - minor fixes spread thru drivers"

[ The Kconfig and Makefile entries got re-sorted alphabetically, and I
  handled the conflict with the new Intel integrated IDMA driver by
  slightly mis-sorting it on purpose: "IDMA64" got sorted after "IMX" in
  order to keep the Intel entries together.  I think it might be a good
  idea to just rename the IDMA64 config entry to INTEL_IDMA64 to make
  the sorting be a true sort, not this mismash.

  Also, this merge disables the COMPILE_TEST for the sun4i DMA
  controller, because it does not compile cleanly at all.     - Linus ]

* tag 'dmaengine-4.3-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (89 commits)
  dmaengine: ioatdma: add Broadwell EP ioatdma PCI dev IDs
  dmaengine :ipu: change ipu_irq_handler() to remove compile warning
  dmaengine: ioatdma: Fix variable array length
  dmaengine: ioatdma: fix sparse "error" with prep lock
  dmaengine: hdmac: Add memset capabilities
  dmaengine: sort the sh Makefile
  dmaengine: sort the sh Kconfig
  dmaengine: sort the dw Kconfig
  dmaengine: sort the Kconfig
  dmaengine: sort the makefile
  drivers/dma: make mv_xor.c driver explicitly non-modular
  dmaengine: Add support for the Analog Devices AXI-DMAC DMA controller
  devicetree: Add bindings documentation for Analog Devices AXI-DMAC
  dmaengine: xgene-dma: Fix the lock to allow client for further submission of requests
  dmaengine: ioatdma: fix coccinelle warning
  dmaengine: ioatdma: fix zero day warning on incompatible pointer type
  dmaengine: tegra-apb: Simplify locking for device using global pause
  dmaengine: tegra-apb: Remove unnecessary return statements and variables
  dmaengine: tegra-apb: Avoid unnecessary channel base address calculation
  dmaengine: tegra-apb: Remove unused variables
  ...
2015-09-04 11:10:18 -07:00
Linus Torvalds 88a99886c2 This is the bulk of pin control changes for the v4.3 development
cycle
 
 Core changes:
 
 - It is possible configure groups in debugfs.
 
 - Consolidation of chained IRQ handler install/remove replacing
   all call sites where irq_set_handler_data() and
   irq_set_chained_handler() were done in succession with a
   combined call to irq_set_chained_handler_and_data(). This
   series was created by Thomas Gleixner after the problem was
   observed by Russell King.
 
 - Tglx also made another series of patches switching
   __irq_set_handler_locked() for irq_set_handler_locked() which
   is way cleaner.
 
 - Tglx also wrote a good bunch of patches to make use of
   irq_desc_get_xxx() accessors and avoid looking up irq_descs
   from IRQ numbers. The goal is to get rid of the irq number
   from the handlers in the IRQ flow which is nice.
 
 Driver feature enhancements:
 
 - Power management support for the SiRF SoC Atlas 7.
 
 - Power down support for the Qualcomm driver.
 
 - Intel Cherryview and Baytrail: switch drivers to use raw
   spinlocks in IRQ handlers to play nice with the realtime
   patch set.
 
 - Rework and new modes handling for Qualcomm SPMI-MPP.
 
 - Pinconf power source config for SH PFC.
 
 New drivers and subdrivers:
 
 - A new driver for Conexant Digicolor CX92755.
 
 - A new driver for UniPhier PH1-LD4, PH1-Pro4, PH1-sLD8,
   PH1-Pro5, ProXtream2 and PH1-LD6b SoC pin control support.
 
 - Reverse-egineered the S/PDIF settings for the Allwinner
   sun4i driver.
 
 - Support for Qualcomm Technologies QDF2xxx ARM64 SoCs
 
 - A new Freescale i.mx6ul subdriver.
 
 Cleanup:
 
 - Remove platform data support in a number of SH PFC
   subdrivers.
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Merge tag 'pinctrl-v4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control updates from Linus Walleij:
 "This is the bulk of pin control changes for the v4.3 development
  cycle.

  Like with GPIO it's a lot of stuff.  If my subsystems are any sign of
  the overall tempo of the kernel v4.3 will be a gigantic diff.

[ It looks like 4.3 is calmer than 4.2 in most other subsystems, but
  we'll see - Linus ]

  Core changes:

   - It is possible configure groups in debugfs.

   - Consolidation of chained IRQ handler install/remove replacing all
     call sites where irq_set_handler_data() and
     irq_set_chained_handler() were done in succession with a combined
     call to irq_set_chained_handler_and_data().  This series was
     created by Thomas Gleixner after the problem was observed by
     Russell King.

   - Tglx also made another series of patches switching
     __irq_set_handler_locked() for irq_set_handler_locked() which is
     way cleaner.

   - Tglx also wrote a good bunch of patches to make use of
     irq_desc_get_xxx() accessors and avoid looking up irq_descs from
     IRQ numbers.  The goal is to get rid of the irq number from the
     handlers in the IRQ flow which is nice.

  Driver feature enhancements:

   - Power management support for the SiRF SoC Atlas 7.

   - Power down support for the Qualcomm driver.

   - Intel Cherryview and Baytrail: switch drivers to use raw spinlocks
     in IRQ handlers to play nice with the realtime patch set.

   - Rework and new modes handling for Qualcomm SPMI-MPP.

   - Pinconf power source config for SH PFC.

  New drivers and subdrivers:

   - A new driver for Conexant Digicolor CX92755.

   - A new driver for UniPhier PH1-LD4, PH1-Pro4, PH1-sLD8, PH1-Pro5,
     ProXtream2 and PH1-LD6b SoC pin control support.

   - Reverse-egineered the S/PDIF settings for the Allwinner sun4i
     driver.

   - Support for Qualcomm Technologies QDF2xxx ARM64 SoCs

   - A new Freescale i.mx6ul subdriver.

  Cleanup:

   - Remove platform data support in a number of SH PFC subdrivers"

* tag 'pinctrl-v4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (95 commits)
  pinctrl: at91: fix null pointer dereference
  pinctrl: mediatek: Implement wake handler and suspend resume
  pinctrl: mediatek: Fix multiple registration issue.
  pinctrl: sh-pfc: r8a7794: add USB pin groups
  pinctrl: at91: Use generic irq_{request,release}_resources()
  pinctrl: cherryview: Use raw_spinlock for locking
  pinctrl: baytrail: Use raw_spinlock for locking
  pinctrl: imx6ul: Remove .owner field
  pinctrl: zynq: Fix typos in smc0_nand_grp and smc0_nor_grp
  pinctrl: sh-pfc: Implement pinconf power-source param for voltage switching
  clk: rockchip: add pclk_pd_pmu to the list of rk3288 critical clocks
  pinctrl: sun4i: add spdif to pin description.
  pinctrl: atlas7: clear ugly branch statements for pull and drivestrength
  pinctrl: baytrail: Serialize all register access
  pinctrl: baytrail: Drop FSF mailing address
  pinctrl: rockchip: only enable gpio clock when it setting
  pinctrl/mediatek: fix spelling mistake in dev_err error message
  pinctrl: cherryview: Serialize all register access
  pinctrl: UniPhier: PH1-Pro5: add I2C ch6 pin-mux setting
  pinctrl: nomadik: reflect current input value
  ...
2015-09-04 10:22:09 -07:00
Linus Torvalds 8d2faea672 This is the bulk of GPIO changes for the v4.3 kernel cycle:
Core changes:
 
 - Root out the wrapper devm_gpiod_get() and gpiod_get() etc
   versions of the descriptor calls that did not use the flags
   argument on the end. This was around for too long and eventually
   Uwe Kleine-König took the time to clean it out and the last
   users are removed along with the macros in this tag. In several
   cases the use of flags simplifies the code. For this reason we
   have (ACKed) patches hitting in DRM, IIO, media, NFC, USB+PHY
   up until we hammer in the nail with removing the macros.
 
 - Add a fat document describing how much ready-made GPIO stuff
   we have i the kernel to discourage people from reinventing
   a square wheel in userspace, as so often happens.
 
 - Create a separate lockdep class for each instance of a GPIO
   IRQ chip instead of using one class for all chips, as the current
   code will not work with systems with several GPIO chips doing
   lockdep debugging.
 
 - Protect against driver unloading also when a GPIO line is only
   used as IRQ for the GPIOLIB_IRQCHIP helpers.
 
 - If the GPIO chip has no designated owner, assign the parent
   device driver owner as owner.
 
 - Consolidation of chained IRQ handler install/remove replacing
   all call sites where irq_set_handler_data() and
   irq_set_chained_handler() were done in succession with a
   combined call to irq_set_chained_handler_and_data(). This
   series was created by Thomas Gleixner after the problem was
   observed by Russell King.
 
 - Tglx also made another series of patches switching
   __irq_set_handler_locked() for irq_set_handler_locked() which
   is way cleaner.
 
 - Tglx and Jiang Liu wrote a good bunch of patches to make use of
   irq_desc_get_xxx() accessors and avoid looking up irq_descs
   from IRQ numbers. The goal is to get rid of the irq number
   from the handlers in the IRQ flow which is nice.
 
 - Rob Herring killed off the set_irq_flags() for all GPIO
   drivers. This was an ARM specific function that is replaced
   with the generic irq_modify_status() where special flags
   are actually needed.
 
 - When an OF node has a pin range for its GPIOs, return
   -EPROBE_DEFER if the pin controller isn't available.
   Pretty logical, yet needed to be fixed.
 
 - If a driver using GPIOLIB_IRQCHIP has its own
   irq_*_resources call back, then call these instead of the
   defaults provided by the GPIOLIB.
 
 - Fix an undocumented ABI hole: named GPIOs were not
   properly documented.
 
 Driver improvements:
 
 - Add get_direction() support to the generic GPIO driver, it's
   strange that we didn't have that before.
 
 - Make it possible to have input-only GPIO chips using the
   generic GPIO driver.
 
 - Clean out platform data support from the Emma Mobile (EM)
   driver
 
 - Finegrained runtime PM support for the RCAR driver.
 
 - Support r8a7795 (R-car H3) in the RCAR driver.
 
 - Support interrupts on GPIOs 16 thru 31 in the DaVinci driver.
 
 - Some consolidation and new support in the MPC8xxx driver,
   we now support MPC5125.
 
 - Preempt-RT-friendly patches: the OMAP, MPC8xxx, drivers uses raw
   spinlocks making it work better with the realime patches.
 
 - Interrupt support for the EXTRAXFS GPIO driver.
 
 - Make the ETRAXFS GPIO driver support also ARTPEC-3.
 
 - Interrupt and wakeup support for the BRCMSTB driver, also for
   wakeup from S5 cold boot.
 
 - Mask MXC IRQs during suspend.
 
 - Improve OMAP2 GPIO set_debounce() to work according to spec.
 
 - The VF610 driver handles IRQs properly.
 
 New drivers:
 
 - ZTE ZX GPIO driver.
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Merge tag 'gpio-v4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO updates from Linus Walleij:
 "This is the bulk of GPIO changes for the v4.3 kernel cycle.

  There is quite a lot going on in the GPIO subsystem this merge window,
  so the main matter is decribed below.

  The hits in other subsystems when making the GPIO flags optional are
  all ACKed by their respective subsystem maintainers.

  Core changes:

   - Root out the wrapper devm_gpiod_get() and gpiod_get() etc versions
     of the descriptor calls that did not use the flags argument on the
     end.  This was around for too long and eventually Uwe Kleine-König
     took the time to clean it out and the last users are removed along
     with the macros in this tag.  In several cases the use of flags
     simplifies the code.  For this reason we have (ACKed) patches
     hitting in DRM, IIO, media, NFC, USB+PHY up until we hammer in the
     nail with removing the macros.

   - Add a fat document describing how much ready-made GPIO stuff we
     have i the kernel to discourage people from reinventing a square
     wheel in userspace, as so often happens.

   - Create a separate lockdep class for each instance of a GPIO IRQ
     chip instead of using one class for all chips, as the current code
     will not work with systems with several GPIO chips doing lockdep
     debugging.

   - Protect against driver unloading also when a GPIO line is only used
     as IRQ for the GPIOLIB_IRQCHIP helpers.

   - If the GPIO chip has no designated owner, assign the parent device
     driver owner as owner.

   - Consolidation of chained IRQ handler install/remove replacing all
     call sites where irq_set_handler_data() and
     irq_set_chained_handler() were done in succession with a combined
     call to irq_set_chained_handler_and_data().

     This series was created by Thomas Gleixner after the problem was
     observed by Russell King.

   - Tglx also made another series of patches switching
     __irq_set_handler_locked() for irq_set_handler_locked() which is
     way cleaner.

   - Tglx and Jiang Liu wrote a good bunch of patches to make use of
     irq_desc_get_xxx() accessors and avoid looking up irq_descs from
     IRQ numbers.  The goal is to get rid of the irq number from the
     handlers in the IRQ flow which is nice.

   - Rob Herring killed off the set_irq_flags() for all GPIO drivers.
     This was an ARM specific function that is replaced with the generic
     irq_modify_status() where special flags are actually needed.

   - When an OF node has a pin range for its GPIOs, return -EPROBE_DEFER
     if the pin controller isn't available.  Pretty logical, yet needed
     to be fixed.

   - If a driver using GPIOLIB_IRQCHIP has its own irq_*_resources call
     back, then call these instead of the defaults provided by the
     GPIOLIB.

   - Fix an undocumented ABI hole: named GPIOs were not properly
     documented.

  Driver improvements:

   - Add get_direction() support to the generic GPIO driver, it's
     strange that we didn't have that before.

   - Make it possible to have input-only GPIO chips using the generic
     GPIO driver.

   - Clean out platform data support from the Emma Mobile (EM) driver

   - Finegrained runtime PM support for the RCAR driver.

   - Support r8a7795 (R-car H3) in the RCAR driver.

   - Support interrupts on GPIOs 16 thru 31 in the DaVinci driver.

   - Some consolidation and new support in the MPC8xxx driver, we now
     support MPC5125.

   - Preempt-RT-friendly patches: the OMAP, MPC8xxx, drivers uses raw
     spinlocks making it work better with the realime patches.

   - Interrupt support for the EXTRAXFS GPIO driver.

   - Make the ETRAXFS GPIO driver support also ARTPEC-3.

   - Interrupt and wakeup support for the BRCMSTB driver, also for
     wakeup from S5 cold boot.

   - Mask MXC IRQs during suspend.

   - Improve OMAP2 GPIO set_debounce() to work according to spec.

   - The VF610 driver handles IRQs properly.

  New drivers:

   - ZTE ZX GPIO driver"

* tag 'gpio-v4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (87 commits)
  Revert "gpio: extraxfs: fix returnvar.cocci warnings"
  gpio: tc3589x: use static container helper
  gpio: xlp: fix error return code
  gpio: vf610: handle level IRQ's properly
  gpio: max732x: Fix error handling in probe()
  gpio: omap: fix clk_prepare/unprepare usage
  gpio: omap: protect regs access in omap_gpio_irq_handler
  gpio: omap: fix omap2_set_gpio_debounce
  gpio: omap: switch to use platform_get_irq
  gpio: omap: remove wrong irq_domain_remove usage in probe
  gpiolib: add description for gpio irqchip fields in struct gpio_chip
  gpio: extraxfs: fix returnvar.cocci warnings
  gpiolib: irqchip: use different lockdep class for each gpio irqchip
  gpio/grgpio: fix deadlock in grgpio_irq_unmap()
  Documentation: gpio: consumer: describe active low property
  gpio: mxc: fix section mismatch warning
  gpio/mxc: mask gpio interrupts in suspend
  gpio: omap: Fix missing raw locks conversion
  gpio: brcmstb: support wakeup from S5 cold boot
  gpio: brcmstb: Add interrupt and wakeup source support
  ...
2015-09-04 10:07:45 -07:00
Linus Torvalds 02cf1da254 Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile
Pull tile updates from Chris Metcalf:
 "This includes secure computing support as well as miscellaneous minor
  improvements"

* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
  tile: correct some typos in opcode type names
  tile/vdso: emit a GNU hash as well
  tile: Remove finish_arch_switch
  tile: enable full SECCOMP support
  tile/time: Migrate to new 'set-state' interface
2015-09-04 08:59:53 -07:00
Linus Torvalds a4fdb2a46f arm64 updates for 4.3:
- Support for new architectural features introduced in ARMv8.1:
   * Privileged Access Never (PAN) to catch user pointer dereferences in
     the kernel
   * Large System Extension (LSE) for building scalable atomics and locks
     (depends on locking/arch-atomic from tip, which is included here)
   * Hardware Dirty Bit Management (DBM) for updating clean PTEs
     automatically
 
 - Move our PSCI implementation out into drivers/firmware/, where it can
   be shared with arch/arm/. RMK has also pulled this component branch
   and has additional patches moving arch/arm/ over. MAINTAINERS is
   updated accordingly.
 
 - Better BUG implementation based on the BRK instruction for trapping
 
 - Leaf TLB invalidation for unmapping user pages
 
 - Support for PROBE_ONLY PCI configurations
 
 - Various cleanups and non-critical fixes, including:
   * Always flush FP/SIMD state over exec()
   * Restrict memblock additions based on range of linear mapping
   * Ensure *(LIST_POISON) generates a fatal fault
   * Context-tracking syscall return no longer corrupts return value when
     not forced on.
   * Alternatives patching synchronisation/stability improvements
   * Signed sub-word cmpxchg compare fix (tickled by HAVE_CMPXCHG_LOCAL)
   * Force SMP=y
   * Hide direct DCC access from userspace
   * Fix EFI stub memory allocation when DRAM starts at 0x0
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 updates from Will Deacon:

 - Support for new architectural features introduced in ARMv8.1:
   * Privileged Access Never (PAN) to catch user pointer dereferences in
     the kernel
   * Large System Extension (LSE) for building scalable atomics and locks
     (depends on locking/arch-atomic from tip, which is included here)
   * Hardware Dirty Bit Management (DBM) for updating clean PTEs
     automatically

 - Move our PSCI implementation out into drivers/firmware/, where it can
   be shared with arch/arm/. RMK has also pulled this component branch
   and has additional patches moving arch/arm/ over. MAINTAINERS is
   updated accordingly.

 - Better BUG implementation based on the BRK instruction for trapping

 - Leaf TLB invalidation for unmapping user pages

 - Support for PROBE_ONLY PCI configurations

 - Various cleanups and non-critical fixes, including:
   * Always flush FP/SIMD state over exec()
   * Restrict memblock additions based on range of linear mapping
   * Ensure *(LIST_POISON) generates a fatal fault
   * Context-tracking syscall return no longer corrupts return value when
     not forced on.
   * Alternatives patching synchronisation/stability improvements
   * Signed sub-word cmpxchg compare fix (tickled by HAVE_CMPXCHG_LOCAL)
   * Force SMP=y
   * Hide direct DCC access from userspace
   * Fix EFI stub memory allocation when DRAM starts at 0x0

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (92 commits)
  arm64: flush FP/SIMD state correctly after execve()
  arm64: makefile: fix perf_callchain.o kconfig dependency
  arm64: set MAX_MEMBLOCK_ADDR according to linear region size
  of/fdt: make memblock maximum physical address arch configurable
  arm64: Fix source code file path in comments
  arm64: entry: always restore x0 from the stack on syscall return
  arm64: mdscr_el1: avoid exposing DCC to userspace
  arm64: kconfig: Move LIST_POISON to a safe value
  arm64: Add __exception_irq_entry definition for function graph
  arm64: mm: ensure patched kernel text is fetched from PoU
  arm64: alternatives: ensure secondary CPUs execute ISB after patching
  arm64: make ll/sc __cmpxchg_case_##name asm consistent
  arm64: dma-mapping: Simplify pgprot handling
  arm64: restore cpu suspend/resume functionality
  ARM64: PCI: do not enable resources on PROBE_ONLY systems
  arm64: cmpxchg: truncate sub-word signed types before comparison
  arm64: alternative: put secondary CPUs into polling loop during patch
  arm64/Documentation: clarify wording regarding memory below the Image
  arm64: lse: fix lse cmpxchg code indentation
  arm64: remove redundant object file list
  ...
2015-09-04 07:18:09 -07:00
Linus Torvalds 807249d3ad Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS updates from Ralf Baechle:
 "This is the main pull request for 4.3 for MIPS.  Here's the summary:

  Three fixes that didn't make 4.2-stable:

   - a -Os build might compile the kernel using the MIPS16 instruction
     set but the R2 optimized inline functions in <uapi/asm/swab.h> are
     implemented using 32-bit wide instructions which is invalid.

   - a build error in pgtable-bits.h for a particular kernel
     configuration.

   - accessing registers of the CM GCR might have been compiled to use
     64 bit accesses but these registers are onl 32 bit wide.

  And also a few new bits:

   - move the ATH79 GPIO driver to drivers/gpio

   - the definition of IRQCHIP_DECLARE has moved to linux/irqchip.h,
     change ATH79 accordingly.

   - fix definition of pgprot_writecombine

   - add an implementation of dma_map_ops.mmap

   - fix alignment of quiet build output for vmlinuz link

   - BCM47xx: Use kmemdup rather than duplicating its implementation

   - Netlogic: Fix 0x0x prefixes of constants.

   - merge Bjorn Helgaas' series to remove most of the weak keywords
     from function declarations.

   - CP0 and CP1 registers are best considered treated as unsigned
     values to avoid large values from becoming negative values.

   - improve support for the MIPS GIC timer.

   - enable common clock framework for Malta and SEAD3.

   - a number of improvments and fixes to dump_tlb().

   - document the MIPS TLB dump functionality in Magic SysRq.

   - Cavium Octeon CN68XX improvments.

   - NetLogic improvments.

   - irq: Use access helper irq_data_get_affinity_mask.

   - handle MSA unaligned accesses.

   - a number of R6-related math-emu fixes.

   - support for I6400.

   - improvments to MSA support.

   - add uprobes support.

   - move from deprecated __initcall to arch_initcall.

   - remove finish_arch_switch().

   - IRQ cleanups by Thomas Gleixner.

   - migrate to new 'set-state' interface.

   - random small cleanups"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (148 commits)
  MIPS: UAPI: Fix unrecognized opcode WSBH/DSBH/DSHD when using MIPS16.
  MIPS: Fix alignment of quiet build output for vmlinuz link
  MIPS: math-emu: Remove unused handle_dsemul function declaration
  MIPS: math-emu: Add support for the MIPS R6 MAX{, A} FPU instruction
  MIPS: math-emu: Add support for the MIPS R6 MIN{, A} FPU instruction
  MIPS: math-emu: Add support for the MIPS R6 CLASS FPU instruction
  MIPS: math-emu: Add support for the MIPS R6 RINT FPU instruction
  MIPS: math-emu: Add support for the MIPS R6 MSUBF FPU instruction
  MIPS: math-emu: Add support for the MIPS R6 MADDF FPU instruction
  MIPS: math-emu: Add support for the MIPS R6 SELNEZ FPU instruction
  MIPS: math-emu: Add support for the MIPS R6 SELEQZ FPU instruction
  MIPS: math-emu: Add support for the CMP.condn.fmt R6 instruction
  MIPS: inst.h: Add new MIPS R6 FPU opcodes
  MIPS: Octeon: Fix management port MII address on Kontron S1901
  MIPS: BCM47xx: Use kmemdup rather than duplicating its implementation
  STAGING: Octeon: Use common helpers for determining interface and port
  MIPS: Octeon: Support interfaces 4 and 5
  MIPS: Octeon: Set up 1:1 mapping between CN68XX PKO queues and ports
  MIPS: Octeon: Initialize CN68XX PKO
  STAGING: Octeon: Support CN68XX style WQE
  ...
2015-09-03 16:55:55 -07:00
Linus Torvalds ff474e8ca8 powerpc updates for 4.3
- Support "hybrid" iommu/direct DMA ops for coherent_mask < dma_mask from Benjamin Herrenschmidt
  - EEH fixes for SRIOV from Gavin
  - Introduce rtas_get_sensor_fast() for IRQ handlers from Thomas Huth
  - Use hardware RNG for arch_get_random_seed_* not arch_get_random_* from Paul Mackerras
  - Seccomp filter support from Michael Ellerman
  - opal_cec_reboot2() handling for HMIs & machine checks from Mahesh Salgaonkar
  - Add powerpc timebase as a trace clock source from Naveen N. Rao
  - Misc cleanups in the xmon, signal & SLB code from Anshuman Khandual
  - Add an inline function to update POWER8 HID0 from Gautham R. Shenoy
  - Fix pte_pagesize_index() crash on 4K w/64K hash from Michael Ellerman
  - Drop support for 64K local store on 4K kernels from Michael Ellerman
  - move dma_get_required_mask() from pnv_phb to pci_controller_ops from Andrew Donnellan
  - Initialize distance lookup table from drconf path from Nikunj A Dadhania
  - Enable RTC class support from Vaibhav Jain
  - Disable automatically blocked PCI config from Gavin Shan
  - Add LEDs driver for PowerNV platform from Vasant Hegde
  - Fix endianness issues in the HVSI driver from Laurent Dufour
  - Kexec endian fixes from Samuel Mendoza-Jonas
  - Fix corrupted pdn list from Gavin Shan
  - Fix fenced PHB caused by eeh_slot_error_detail() from Gavin Shan
 
  - Freescale updates from Scott: Highlights include 32-bit memcpy/memset
    optimizations, checksum optimizations, 85xx config fragments and updates,
    device tree updates, e6500 fixes for non-SMP, and misc cleanup and minor
    fixes.
 
  - A ton of cxl updates & fixes:
   - Add explicit precision specifiers from Rasmus Villemoes
   - use more common format specifier from Rasmus Villemoes
   - Destroy cxl_adapter_idr on module_exit from Johannes Thumshirn
   - Destroy afu->contexts_idr on release of an afu from Johannes Thumshirn
   - Compile with -Werror from Daniel Axtens
   - EEH support from Daniel Axtens
   - Plug irq_bitmap getting leaked in cxl_context from Vaibhav Jain
   - Add alternate MMIO error handling from Ian Munsie
   - Allow release of contexts which have been OPENED but not STARTED from Andrew Donnellan
   - Remove use of macro DEFINE_PCI_DEVICE_TABLE from Vaishali Thakkar
   - Release irqs if memory allocation fails from Vaibhav Jain
   - Remove racy attempt to force EEH invocation in reset from Daniel Axtens
   - Fix + cleanup error paths in cxl_dev_context_init from Ian Munsie
   - Fix force unmapping mmaps of contexts allocated through the kernel api from Ian Munsie
   - Set up and enable PSL Timebase from Philippe Bergheaud
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Merge tag 'powerpc-4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:

 - support "hybrid" iommu/direct DMA ops for coherent_mask < dma_mask
   from Benjamin Herrenschmidt

 - EEH fixes for SRIOV from Gavin

 - introduce rtas_get_sensor_fast() for IRQ handlers from Thomas Huth

 - use hardware RNG for arch_get_random_seed_* not arch_get_random_*
   from Paul Mackerras

 - seccomp filter support from Michael Ellerman

 - opal_cec_reboot2() handling for HMIs & machine checks from Mahesh
   Salgaonkar

 - add powerpc timebase as a trace clock source from Naveen N.  Rao

 - misc cleanups in the xmon, signal & SLB code from Anshuman Khandual

 - add an inline function to update POWER8 HID0 from Gautham R.  Shenoy

 - fix pte_pagesize_index() crash on 4K w/64K hash from Michael Ellerman

 - drop support for 64K local store on 4K kernels from Michael Ellerman

 - move dma_get_required_mask() from pnv_phb to pci_controller_ops from
   Andrew Donnellan

 - initialize distance lookup table from drconf path from Nikunj A
   Dadhania

 - enable RTC class support from Vaibhav Jain

 - disable automatically blocked PCI config from Gavin Shan

 - add LEDs driver for PowerNV platform from Vasant Hegde

 - fix endianness issues in the HVSI driver from Laurent Dufour

 - kexec endian fixes from Samuel Mendoza-Jonas

 - fix corrupted pdn list from Gavin Shan

 - fix fenced PHB caused by eeh_slot_error_detail() from Gavin Shan

 - Freescale updates from Scott: Highlights include 32-bit memcpy/memset
   optimizations, checksum optimizations, 85xx config fragments and
   updates, device tree updates, e6500 fixes for non-SMP, and misc
   cleanup and minor fixes.

 - a ton of cxl updates & fixes:
    - add explicit precision specifiers from Rasmus Villemoes
    - use more common format specifier from Rasmus Villemoes
    - destroy cxl_adapter_idr on module_exit from Johannes Thumshirn
    - destroy afu->contexts_idr on release of an afu from Johannes
      Thumshirn
    - compile with -Werror from Daniel Axtens
    - EEH support from Daniel Axtens
    - plug irq_bitmap getting leaked in cxl_context from Vaibhav Jain
    - add alternate MMIO error handling from Ian Munsie
    - allow release of contexts which have been OPENED but not STARTED
      from Andrew Donnellan
    - remove use of macro DEFINE_PCI_DEVICE_TABLE from Vaishali Thakkar
    - release irqs if memory allocation fails from Vaibhav Jain
    - remove racy attempt to force EEH invocation in reset from Daniel
      Axtens
    - fix + cleanup error paths in cxl_dev_context_init from Ian Munsie
    - fix force unmapping mmaps of contexts allocated through the kernel
      api from Ian Munsie
    - set up and enable PSL Timebase from Philippe Bergheaud

* tag 'powerpc-4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (140 commits)
  cxl: Set up and enable PSL Timebase
  cxl: Fix force unmapping mmaps of contexts allocated through the kernel api
  cxl: Fix + cleanup error paths in cxl_dev_context_init
  powerpc/eeh: Fix fenced PHB caused by eeh_slot_error_detail()
  powerpc/pseries: Cleanup on pci_dn_reconfig_notifier()
  powerpc/pseries: Fix corrupted pdn list
  powerpc/powernv: Enable LEDS support
  powerpc/iommu: Set default DMA offset in dma_dev_setup
  cxl: Remove racy attempt to force EEH invocation in reset
  cxl: Release irqs if memory allocation fails
  cxl: Remove use of macro DEFINE_PCI_DEVICE_TABLE
  powerpc/powernv: Fix mis-merge of OPAL support for LEDS driver
  powerpc/powernv: Reset HILE before kexec_sequence()
  powerpc/kexec: Reset secondary cpu endianness before kexec
  powerpc/hvsi: Fix endianness issues in the HVSI driver
  leds/powernv: Add driver for PowerNV platform
  powerpc/powernv: Create LED platform device
  powerpc/powernv: Add OPAL interfaces for accessing and modifying system LED states
  powerpc/powernv: Fix the log message when disabling VF
  cxl: Allow release of contexts which have been OPENED but not STARTED
  ...
2015-09-03 16:41:38 -07:00
Linus Torvalds c706c7eb0d Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Pull ARM development updates from Russell King:
 "Included in this update:

   - moving PSCI code from ARM64/ARM to drivers/

   - removal of some architecture internals from global kernel view

   - addition of software based "privileged no access" support using the
     old domains register to turn off the ability for kernel
     loads/stores to access userspace.  Only the proper accessors will
     be usable.

   - addition of early fixup support for early console

   - re-addition (and reimplementation) of OMAP special interconnect
     barrier

   - removal of finish_arch_switch()

   - only expose cpuX/online in sysfs if hotpluggable

   - a number of code cleanups"

* 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: (41 commits)
  ARM: software-based priviledged-no-access support
  ARM: entry: provide uaccess assembly macro hooks
  ARM: entry: get rid of multiple macro definitions
  ARM: 8421/1: smp: Collapse arch_cpu_idle_dead() into cpu_die()
  ARM: uaccess: provide uaccess_save_and_enable() and uaccess_restore()
  ARM: mm: improve do_ldrd_abort macro
  ARM: entry: ensure that IRQs are enabled when calling syscall_trace_exit()
  ARM: entry: efficiency cleanups
  ARM: entry: get rid of asm_trace_hardirqs_on_cond
  ARM: uaccess: simplify user access assembly
  ARM: domains: remove DOMAIN_TABLE
  ARM: domains: keep vectors in separate domain
  ARM: domains: get rid of manager mode for user domain
  ARM: domains: move initial domain setting value to asm/domains.h
  ARM: domains: provide domain_mask()
  ARM: domains: switch to keeping domain value in register
  ARM: 8419/1: dma-mapping: harmonize definition of DMA_ERROR_CODE
  ARM: 8417/1: refactor bitops functions with BIT_MASK() and BIT_WORD()
  ARM: 8416/1: Feroceon: use of_iomap() to map register base
  ARM: 8415/1: early fixmap support for earlycon
  ...
2015-09-03 16:27:01 -07:00
Linus Torvalds ca520cab25 Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking and atomic updates from Ingo Molnar:
 "Main changes in this cycle are:

   - Extend atomic primitives with coherent logic op primitives
     (atomic_{or,and,xor}()) and deprecate the old partial APIs
     (atomic_{set,clear}_mask())

     The old ops were incoherent with incompatible signatures across
     architectures and with incomplete support.  Now every architecture
     supports the primitives consistently (by Peter Zijlstra)

   - Generic support for 'relaxed atomics':

       - _acquire/release/relaxed() flavours of xchg(), cmpxchg() and {add,sub}_return()
       - atomic_read_acquire()
       - atomic_set_release()

     This came out of porting qwrlock code to arm64 (by Will Deacon)

   - Clean up the fragile static_key APIs that were causing repeat bugs,
     by introducing a new one:

       DEFINE_STATIC_KEY_TRUE(name);
       DEFINE_STATIC_KEY_FALSE(name);

     which define a key of different types with an initial true/false
     value.

     Then allow:

       static_branch_likely()
       static_branch_unlikely()

     to take a key of either type and emit the right instruction for the
     case.  To be able to know the 'type' of the static key we encode it
     in the jump entry (by Peter Zijlstra)

   - Static key self-tests (by Jason Baron)

   - qrwlock optimizations (by Waiman Long)

   - small futex enhancements (by Davidlohr Bueso)

   - ... and misc other changes"

* 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (63 commits)
  jump_label/x86: Work around asm build bug on older/backported GCCs
  locking, ARM, atomics: Define our SMP atomics in terms of _relaxed() operations
  locking, include/llist: Use linux/atomic.h instead of asm/cmpxchg.h
  locking/qrwlock: Make use of _{acquire|release|relaxed}() atomics
  locking/qrwlock: Implement queue_write_unlock() using smp_store_release()
  locking/lockref: Remove homebrew cmpxchg64_relaxed() macro definition
  locking, asm-generic: Add _{relaxed|acquire|release}() variants for 'atomic_long_t'
  locking, asm-generic: Rework atomic-long.h to avoid bulk code duplication
  locking/atomics: Add _{acquire|release|relaxed}() variants of some atomic operations
  locking, compiler.h: Cast away attributes in the WRITE_ONCE() magic
  locking/static_keys: Make verify_keys() static
  jump label, locking/static_keys: Update docs
  locking/static_keys: Provide a selftest
  jump_label: Provide a self-test
  s390/uaccess, locking/static_keys: employ static_branch_likely()
  x86, tsc, locking/static_keys: Employ static_branch_likely()
  locking/static_keys: Add selftest
  locking/static_keys: Add a new static_key interface
  locking/static_keys: Rework update logic
  locking/static_keys: Add static_key_{en,dis}able() helpers
  ...
2015-09-03 15:46:07 -07:00
Linus Torvalds 4c12ab7e5e Merge tag 'for-f2fs-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
 "The major work includes fixing and enhancing the existing extent_cache
  feature, which has been well settling down so far and now it becomes a
  default mount option accordingly.

  Also, this version newly registers a f2fs memory shrinker to reclaim
  several objects consumed by a couple of data structures in order to
  avoid memory pressures.

  Another new feature is to add ioctl(F2FS_GARBAGE_COLLECT) which
  triggers a cleaning job explicitly by users.

  Most of the other patches are to fix bugs occurred in the corner cases
  across the whole code area"

* tag 'for-f2fs-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (85 commits)
  f2fs: upset segment_info repair
  f2fs: avoid accessing NULL pointer in f2fs_drop_largest_extent
  f2fs: update extent tree in batches
  f2fs: fix to release inode correctly
  f2fs: handle f2fs_truncate error correctly
  f2fs: avoid unneeded initializing when converting inline dentry
  f2fs: atomically set inode->i_flags
  f2fs: fix wrong pointer access during try_to_free_nids
  f2fs: use __GFP_NOFAIL to avoid infinite loop
  f2fs: lookup neighbor extent nodes for merging later
  f2fs: split __insert_extent_tree_ret for readability
  f2fs: kill dead code in __insert_extent_tree
  f2fs: adjust showing of extent cache stat
  f2fs: add largest/cached stat in extent cache
  f2fs: fix incorrect mapping for bmap
  f2fs: add annotation for space utilization of regular/inline dentry
  f2fs: fix to update cached_en of extent tree properly
  f2fs: fix typo
  f2fs: check the node block address of newly allocated nid
  f2fs: go out for insert_inode_locked failure
  ...
2015-09-03 13:10:22 -07:00
Corey Minyard 92e8472126 ipmi: Add device tree bindings information
Signed-off-by: Corey Minyard <cminyard@mvista.com>
2015-09-03 15:00:27 -05:00
Linus Torvalds e31fb9e005 Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull ext3 removal, quota & udf fixes from Jan Kara:
 "The biggest change in the pull is the removal of ext3 filesystem
  driver (~28k lines removed).  Ext4 driver is a full featured
  replacement these days and both RH and SUSE use it for several years
  without issues.  Also there are some workarounds in VM & block layer
  mainly for ext3 which we could eventually get rid of.

  Other larger change is addition of proper error handling for
  dquot_initialize().  The rest is small fixes and cleanups"

[ I wasn't convinced about the ext3 removal and worried about things
  falling through the cracks for legacy users, but ext4 maintainers
  piped up and were all unanimously in favor of removal, and maintaining
  all legacy ext3 support inside ext4.   - Linus ]

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  udf: Don't modify filesystem for read-only mounts
  quota: remove an unneeded condition
  ext4: memory leak on error in ext4_symlink()
  mm/Kconfig: NEED_BOUNCE_POOL: clean-up condition
  ext4: Improve ext4 Kconfig test
  block: Remove forced page bouncing under IO
  fs: Remove ext3 filesystem driver
  doc: Update doc about journalling layer
  jfs: Handle error from dquot_initialize()
  reiserfs: Handle error from dquot_initialize()
  ocfs2: Handle error from dquot_initialize()
  ext4: Handle error from dquot_initialize()
  ext2: Handle error from dquot_initalize()
  quota: Propagate error from ->acquire_dquot()
2015-09-03 12:28:30 -07:00
Dmitry Torokhov 01b944fe1c Merge branch 'next' into for-linus
Prepare first round of input updates for 4.3 merge window.
2015-09-03 10:01:44 -07:00
Masanari Iida 062683901a [media] DocBook media: Fix typo "the the" in xml files
This patch fix spelling typo "the the" found in controls.xml
and vidioc-g-param.xml.
These xml files are'nt generated from any source files, so I have
to fix these xml files directly.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-09-03 13:21:03 -03:00
Linus Torvalds dd5cdb48ed Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller:
 "Another merge window, another set of networking changes.  I've heard
  rumblings that the lightweight tunnels infrastructure has been voted
  networking change of the year.  But what do I know?

   1) Add conntrack support to openvswitch, from Joe Stringer.

   2) Initial support for VRF (Virtual Routing and Forwarding), which
      allows the segmentation of routing paths without using multiple
      devices.  There are some semantic kinks to work out still, but
      this is a reasonably strong foundation.  From David Ahern.

   3) Remove spinlock fro act_bpf fast path, from Alexei Starovoitov.

   4) Ignore route nexthops with a link down state in ipv6, just like
      ipv4.  From Andy Gospodarek.

   5) Remove spinlock from fast path of act_gact and act_mirred, from
      Eric Dumazet.

   6) Document the DSA layer, from Florian Fainelli.

   7) Add netconsole support to bcmgenet, systemport, and DSA.  Also
      from Florian Fainelli.

   8) Add Mellanox Switch Driver and core infrastructure, from Jiri
      Pirko.

   9) Add support for "light weight tunnels", which allow for
      encapsulation and decapsulation without bearing the overhead of a
      full blown netdevice.  From Thomas Graf, Jiri Benc, and a cast of
      others.

  10) Add Identifier Locator Addressing support for ipv6, from Tom
      Herbert.

  11) Support fragmented SKBs in iwlwifi, from Johannes Berg.

  12) Allow perf PMUs to be accessed from eBPF programs, from Kaixu Xia.

  13) Add BQL support to 3c59x driver, from Loganaden Velvindron.

  14) Stop using a zero TX queue length to mean that a device shouldn't
      have a qdisc attached, use an explicit flag instead.  From Phil
      Sutter.

  15) Use generic geneve netdevice infrastructure in openvswitch, from
      Pravin B Shelar.

  16) Add infrastructure to avoid re-forwarding a packet in software
      that was already forwarded by a hardware switch.  From Scott
      Feldman.

  17) Allow AF_PACKET fanout function to be implemented in a bpf
      program, from Willem de Bruijn"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1458 commits)
  netfilter: nf_conntrack: make nf_ct_zone_dflt built-in
  netfilter: nf_dup{4, 6}: fix build error when nf_conntrack disabled
  net: fec: clear receive interrupts before processing a packet
  ipv6: fix exthdrs offload registration in out_rt path
  xen-netback: add support for multicast control
  bgmac: Update fixed_phy_register()
  sock, diag: fix panic in sock_diag_put_filterinfo
  flow_dissector: Use 'const' where possible.
  flow_dissector: Fix function argument ordering dependency
  ixgbe: Resolve "initialized field overwritten" warnings
  ixgbe: Remove bimodal SR-IOV disabling
  ixgbe: Add support for reporting 2.5G link speed
  ixgbe: fix bounds checking in ixgbe_setup_tc for 82598
  ixgbe: support for ethtool set_rxfh
  ixgbe: Avoid needless PHY access on copper phys
  ixgbe: cleanup to use cached mask value
  ixgbe: Remove second instance of lan_id variable
  ixgbe: use kzalloc for allocating one thing
  flow: Move __get_hash_from_flowi{4,6} into flow_dissector.c
  ixgbe: Remove unused PCI bus types
  ...
2015-09-03 08:08:17 -07:00
Russell King 3ff32a0def Merge branch 'devel-stable' into for-linus
Conflicts:
	drivers/perf/arm_pmu.c
2015-09-03 15:28:50 +01:00
Russell King 40d3f02851 Merge branches 'cleanup', 'fixes', 'misc', 'omap-barrier' and 'uaccess' into for-linus 2015-09-03 15:28:37 +01:00
Ezequiel Garcia d6ed2b9b60 Documentation: dt: Add Pistachio SoC general purpose timer binding document
Add a device-tree binding document for the clocksource driver provided
by Pistachio SoC general purpose timers.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@imgtec.com>
Reviewed-by: Andrew Bresticker <abrestic@chromium.org>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: devicetree@vger.kernel.org
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: James Hartley <James.Hartley@imgtec.com>
Cc: Govindraj Raja <Govindraj.Raja@imgtec.com>
Cc: Damien Horsley <Damien.Horsley@imgtec.com>
Cc: James Hogan <James.Hogan@imgtec.com>
Cc: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Patchwork: https://patchwork.linux-mips.org/patch/10783/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-09-03 12:08:07 +02:00
Ralf Baechle b7565cc332 Documentation: MIPS now supports uprobes.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-09-03 12:08:05 +02:00
James Hogan 0f6ce77538 Documentation/sysrq.txt: Mention MIPS TLB dump (x)
Commit d1e9a4f547 ("MIPS: Add SysRq operation to dump TLBs on all
CPUs") added the 'x' sysrq key for dumping MIPS TLB entries, but didn't
document it in Documentation/sysrq.txt.

Add mention of the MIPS use of the 'x' SysRq key.

Reported-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Cc: Maciej W. Rozycki <macro@linux-mips.org>
Cc: linux-mips@linux-mips.org
Cc: linux-doc@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/10720/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-09-03 12:07:43 +02:00
Kishon Vijay Abraham I b9c93646fd regulator: pbias: program pbias register offset in pbias driver
Add separate compatible strings for every platform and populate the
pbias register offset in the driver data.
This helps avoid depending on the dt for pbias register offset.

Also update the dt binding documentation for the new compatible
strings.

Suggested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-09-03 10:39:20 +01:00
Linus Torvalds 1e1a4e8f43 Merge tag 'dm-4.3-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper update from Mike Snitzer:

 - a couple small cleanups in dm-cache, dm-verity, persistent-data's
   dm-btree, and DM core.

 - a 4.1-stable fix for dm-cache that fixes the leaking of deferred bio
   prison cells

 - a 4.2-stable fix that adds feature reporting for the dm-stats
   features added in 4.2

 - improve DM-snapshot to not invalidate the on-disk snapshot if
   snapshot device write overflow occurs; but a write overflow triggered
   through the origin device will still invalidate the snapshot.

 - optimize DM-thinp's async discard submission a bit now that late bio
   splitting has been included in block core.

 - switch DM-cache's SMQ policy lock from using a mutex to a spinlock;
   improves performance on very low latency devices (eg. NVMe SSD).

 - document DM RAID 4/5/6's discard support

[ I did not pull the slab changes, which weren't appropriate for this
  tree, and weren't obviously the right thing to do anyway.  At the very
  least they need some discussion and explanation before getting merged.

  Because not pulling the actual tagged commit but doing a partial pull
  instead, this merge commit thus also obviously is missing the git
  signature from the original tag ]

* tag 'dm-4.3-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm cache: fix use after freeing migrations
  dm cache: small cleanups related to deferred prison cell cleanup
  dm cache: fix leaking of deferred bio prison cells
  dm raid: document RAID 4/5/6 discard support
  dm stats: report precise_timestamps and histogram in @stats_list output
  dm thin: optimize async discard submission
  dm snapshot: don't invalidate on-disk image on snapshot write overflow
  dm: remove unlikely() before IS_ERR()
  dm: do not override error code returned from dm_get_device()
  dm: test return value for DM_MAPIO_SUBMITTED
  dm verity: remove unused mempool
  dm cache: move wake_waker() from free_migrations() to where it is needed
  dm btree remove: remove unused function get_nr_entries()
  dm btree: remove unused "dm_block_t root" parameter in btree_split_sibling()
  dm cache policy smq: change the mutex to a spinlock
2015-09-02 16:35:26 -07:00
Linus Torvalds 1081230b74 Merge branch 'for-4.3/core' of git://git.kernel.dk/linux-block
Pull core block updates from Jens Axboe:
 "This first core part of the block IO changes contains:

   - Cleanup of the bio IO error signaling from Christoph.  We used to
     rely on the uptodate bit and passing around of an error, now we
     store the error in the bio itself.

   - Improvement of the above from myself, by shrinking the bio size
     down again to fit in two cachelines on x86-64.

   - Revert of the max_hw_sectors cap removal from a revision again,
     from Jeff Moyer.  This caused performance regressions in various
     tests.  Reinstate the limit, bump it to a more reasonable size
     instead.

   - Make /sys/block/<dev>/queue/discard_max_bytes writeable, by me.
     Most devices have huge trim limits, which can cause nasty latencies
     when deleting files.  Enable the admin to configure the size down.
     We will look into having a more sane default instead of UINT_MAX
     sectors.

   - Improvement of the SGP gaps logic from Keith Busch.

   - Enable the block core to handle arbitrarily sized bios, which
     enables a nice simplification of bio_add_page() (which is an IO hot
     path).  From Kent.

   - Improvements to the partition io stats accounting, making it
     faster.  From Ming Lei.

   - Also from Ming Lei, a basic fixup for overflow of the sysfs pending
     file in blk-mq, as well as a fix for a blk-mq timeout race
     condition.

   - Ming Lin has been carrying Kents above mentioned patches forward
     for a while, and testing them.  Ming also did a few fixes around
     that.

   - Sasha Levin found and fixed a use-after-free problem introduced by
     the bio->bi_error changes from Christoph.

   - Small blk cgroup cleanup from Viresh Kumar"

* 'for-4.3/core' of git://git.kernel.dk/linux-block: (26 commits)
  blk: Fix bio_io_vec index when checking bvec gaps
  block: Replace SG_GAPS with new queue limits mask
  block: bump BLK_DEF_MAX_SECTORS to 2560
  Revert "block: remove artifical max_hw_sectors cap"
  blk-mq: fix race between timeout and freeing request
  blk-mq: fix buffer overflow when reading sysfs file of 'pending'
  Documentation: update notes in biovecs about arbitrarily sized bios
  block: remove bio_get_nr_vecs()
  fs: use helper bio_add_page() instead of open coding on bi_io_vec
  block: kill merge_bvec_fn() completely
  md/raid5: get rid of bio_fits_rdev()
  md/raid5: split bio for chunk_aligned_read
  block: remove split code in blkdev_issue_{discard,write_same}
  btrfs: remove bio splitting and merge_bvec_fn() calls
  bcache: remove driver private bio splitting code
  block: simplify bio_add_page()
  block: make generic_make_request handle arbitrarily sized bios
  blk-cgroup: Drop unlikely before IS_ERR(_OR_NULL)
  block: don't access bio->bi_error after bio_put()
  block: shrink struct bio down to 2 cache lines again
  ...
2015-09-02 13:10:25 -07:00
Linus Torvalds df910390e2 SCSI misc on 20150901
This includes one new driver: cxlflash plus the usual grab bag of updates for
 the major drivers: qla2xxx, ipr, storvsc, pm80xx, hptiop, plus a few assorted
 fixes.
 
 Signed-off-by: James Bottomley <JBottomley@Odin.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull first round of SCSI updates from James Bottomley:
 "This includes one new driver: cxlflash plus the usual grab bag of
  updates for the major drivers: qla2xxx, ipr, storvsc, pm80xx, hptiop,
  plus a few assorted fixes.

  There's another tranch coming, but I want to incubate it another few
  days in the checkers, plus it includes a mpt2sas separated lifetime
  fix, which Avago won't get done testing until Friday"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (85 commits)
  aic94xx: set an error code on failure
  storvsc: Set the error code correctly in failure conditions
  storvsc: Allow write_same when host is windows 10
  storvsc: use storage protocol version to determine storage capabilities
  storvsc: use correct defaults for values determined by protocol negotiation
  storvsc: Untangle the storage protocol negotiation from the vmbus protocol negotiation.
  storvsc: Use a single value to track protocol versions
  storvsc: Rather than look for sets of specific protocol versions, make decisions based on ranges.
  cxlflash: Remove unused variable from queuecommand
  cxlflash: shift wrapping bug in afu_link_reset()
  cxlflash: off by one bug in cxlflash_show_port_status()
  cxlflash: Virtual LUN support
  cxlflash: Superpipe support
  cxlflash: Base error recovery support
  qla2xxx: Update driver version to 8.07.00.26-k
  qla2xxx: Add pci device id 0x2261.
  qla2xxx: Fix missing device login retries.
  qla2xxx: do not clear slot in outstanding cmd array
  qla2xxx: Remove decrement of sp reference count in abort handler.
  qla2xxx: Add support to show MPI and PEP FW version for ISP27xx.
  ...
2015-09-02 12:22:54 -07:00
Linus Torvalds 91a247d7d3 MTD updates for 4.3-rc1:
SPI NOR
   * reduce virtual address space requirements for fsl-quadspi memory map
   * new fsl-quadspi IP support: imx6ul-qspi and imx7d-qspi
   * add new NOR flash device support
   * add new driver for NXP SPI Flash Interface (SPIFI)
   * stop abusing SPI API structs for non-SPI framework
   * fixup DT table matching for new "jedec,spi-nor" string
 
  NAND
   * brcmnand: fix big endian MIPS macro usage
   * denali: refactor to use devres, dev_*() printing, etc.
   * OMAP ELM: change the module alias to actually be usable
   * pxa3xx_nand: fixup a few command sequencing issues -- both new and old
       - race conditions in the IRQ handler status clearing
       - problems when a bootloader left interrupts pending
       - config issues when overriding the bootloader configuration
   * new flash device support
   * sunxi_nand:
       - optimize timing configuration by calculation, rather than fixed
         fail-safe values
       - use EDO setting from ONFI
   * r852: fix compiler warnings
   * davinci: add 4KB page support
 
  Core
   * oobtest: correct debug print information
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Merge tag 'for-linus-20150901' of git://git.infradead.org/linux-mtd

Pull MTD updates from Brian Norris:
 "SPI NOR:
   - reduce virtual address space requirements for fsl-quadspi memory map
   - new fsl-quadspi IP support: imx6ul-qspi and imx7d-qspi
   - add new NOR flash device support
   - add new driver for NXP SPI Flash Interface (SPIFI)
   - stop abusing SPI API structs for non-SPI framework
   - fixup DT table matching for new "jedec,spi-nor" string

  NAND:
   - brcmnand: fix big endian MIPS macro usage
   - denali: refactor to use devres, dev_*() printing, etc.
   - OMAP ELM: change the module alias to actually be usable
   - pxa3xx_nand: fixup a few command sequencing issues -- both new and old
      - race conditions in the IRQ handler status clearing
      - problems when a bootloader left interrupts pending
      - config issues when overriding the bootloader configuration
   - new flash device support
   - sunxi_nand:
      - optimize timing configuration by calculation, rather than fixed
        fail-safe values
      - use EDO setting from ONFI
   - r852: fix compiler warnings
   - davinci: add 4KB page support

  Core:
   - oobtest: correct debug print information"

* tag 'for-linus-20150901' of git://git.infradead.org/linux-mtd: (42 commits)
  mtd: mtd_oobtest: Fix the address offset with vary_offset case
  mtd: blkdevs: fix switch-bool compilation warning
  mtd: spi-nor: stop (ab)using struct spi_device_id
  mtd: nand: add Toshiba TC58NVG0S3E to nand_ids table
  mtd: dataflash: Export OF module alias information
  nand: pxa3xx: Increase READ_ID buffer and make the size static
  mtd: nand: pxa3xx-nand: fix random command timeouts
  mtd: nand: pxa3xx_nand: fix early spurious interrupt
  mtd: pxa3xx_nand: add a default chunk size
  mtd: omap_elm: Fix module alias
  mtd: physmap_of: fix null pointer deference when kzalloc returns null
  mtd: nettel: do not ignore mtd_device_register() failure in nettel_init()
  mtd: denali_pci: switch to dev_err()
  mtd: denali_pci: refactor driver using devres API
  mtd: denali_pci: use module_pci_driver() macro
  mtd: denali: hide core part from user in Kconfig
  mtd: spi-nor: add Spansion S25FL204K support
  mtd: spi-nor: Improve Kconfig help text for SPI_FSL_QUADSPI
  mtd: spi-nor: add driver for NXP SPI Flash Interface (SPIFI)
  doc: dt: add documentation for nxp,lpc1773-spifi
  ...
2015-09-02 12:16:24 -07:00
Linus Torvalds 8bdc69b764 Merge branch 'for-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo:

 - a new PIDs controller is added.  It turns out that PIDs are actually
   an independent resource from kmem due to the limited PID space.

 - more core preparations for the v2 interface.  Once cpu side interface
   is settled, it should be ready for lifting the devel mask.
   for-4.3-unified-base was temporarily branched so that other trees
   (block) can pull cgroup core changes that blkcg changes depend on.

 - a non-critical idr_preload usage bug fix.

* 'for-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cgroup: pids: fix invalid get/put usage
  cgroup: introduce cgroup_subsys->legacy_name
  cgroup: don't print subsystems for the default hierarchy
  cgroup: make cftype->private a unsigned long
  cgroup: export cgrp_dfl_root
  cgroup: define controller file conventions
  cgroup: fix idr_preload usage
  cgroup: add documentation for the PIDs controller
  cgroup: implement the PIDs subsystem
  cgroup: allow a cgroup subsystem to reject a fork
2015-09-02 08:04:23 -07:00
Linus Torvalds ae98207309 Power management and ACPI material for v4.3-rc1
- ACPICA update to upstream revision 20150818 including method
    tracing extensions to allow more in-depth AML debugging in the
    kernel and a number of assorted fixes and cleanups (Bob Moore,
    Lv Zheng, Markus Elfring).
 
  - ACPI sysfs code updates and a documentation update related to
    AML method tracing (Lv Zheng).
 
  - ACPI EC driver fix related to serialized evaluations of _Qxx
    methods and ACPI tools updates allowing the EC userspace tool
    to be built from the kernel source (Lv Zheng).
 
  - ACPI processor driver updates preparing it for future
    introduction of CPPC support and ACPI PCC mailbox driver
    updates (Ashwin Chaugule).
 
  - ACPI interrupts enumeration fix for a regression related
    to the handling of IRQ attribute conflicts between MADT
    and the ACPI namespace (Jiang Liu).
 
  - Fixes related to ACPI device PM (Mika Westerberg, Srinidhi Kasagar).
 
  - ACPI device registration code reorganization to separate the
    sysfs-related code and bus type operations from the rest (Rafael
    J Wysocki).
 
  - Assorted cleanups in the ACPI core (Jarkko Nikula, Mathias Krause,
    Andy Shevchenko, Rafael J Wysocki, Nicolas Iooss).
 
  - ACPI cpufreq driver and ia64 cpufreq driver fixes and cleanups
    (Pan Xinhui, Rafael J Wysocki).
 
  - cpufreq core cleanups on top of the previous changes allowing it
    to preseve its sysfs directories over system suspend/resume (Viresh
    Kumar, Rafael J Wysocki, Sebastian Andrzej Siewior).
 
  - cpufreq fixes and cleanups related to governors (Viresh Kumar).
 
  - cpufreq updates (core and the cpufreq-dt driver) related to the
    turbo/boost mode support (Viresh Kumar, Bartlomiej Zolnierkiewicz).
 
  - New DT bindings for Operating Performance Points (OPP), support
    for them in the OPP framework and in the cpufreq-dt driver plus
    related OPP framework fixes and cleanups (Viresh Kumar).
 
  - cpufreq powernv driver updates (Shilpasri G Bhat).
 
  - New cpufreq driver for Mediatek MT8173 (Pi-Cheng Chen).
 
  - Assorted cpufreq driver (speedstep-lib, sfi, integrator) cleanups
    and fixes (Abhilash Jindal, Andrzej Hajda, Cristian Ardelean).
 
  - intel_pstate driver updates including Skylake-S support, support
    for enabling HW P-states per CPU and an additional vendor bypass
    list entry (Kristen Carlson Accardi, Chen Yu, Ethan Zhao).
 
  - cpuidle core fixes related to the handling of coupled idle states
    (Xunlei Pang).
 
  - intel_idle driver updates including Skylake Client support and
    support for freeze-mode-specific idle states (Len Brown).
 
  - Driver core updates related to power management (Andy Shevchenko,
    Rafael J Wysocki).
 
  - Generic power domains framework fixes and cleanups (Jon Hunter,
    Geert Uytterhoeven, Rajendra Nayak, Ulf Hansson).
 
  - Device PM QoS framework update to allow the latency tolerance
    setting to be exposed to user space via sysfs (Mika Westerberg).
 
  - devfreq support for PPMUv2 in Exynos5433 and a fix for an incorrect
    exynos-ppmu DT binding (Chanwoo Choi, Javier Martinez Canillas).
 
  - System sleep support updates (Alan Stern, Len Brown, SungEun Kim).
 
  - rockchip-io AVS support updates (Heiko Stuebner).
 
  - PM core clocks support fixup (Colin Ian King).
 
  - Power capping RAPL driver update including support for Skylake H/S
    and Broadwell-H (Radivoje Jovanovic, Seiichi Ikarashi).
 
  - Generic device properties framework fixes related to the handling
    of static (driver-provided) property sets (Andy Shevchenko).
 
  - turbostat and cpupower updates (Len Brown, Shilpasri G Bhat,
    Shreyas B Prabhu).
 
 /
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Merge tag 'pm+acpi-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management and ACPI updates from Rafael Wysocki:
 "From the number of commits perspective, the biggest items are ACPICA
  and cpufreq changes with the latter taking the lead (over 50 commits).

  On the cpufreq front, there are many cleanups and minor fixes in the
  core and governors, driver updates etc.  We also have a new cpufreq
  driver for Mediatek MT8173 chips.

  ACPICA mostly updates its debug infrastructure and adds a number of
  fixes and cleanups for a good measure.

  The Operating Performance Points (OPP) framework is updated with new
  DT bindings and support for them among other things.

  We have a few updates of the generic power domains framework and a
  reorganization of the ACPI device enumeration code and bus type
  operations.

  And a lot of fixes and cleanups all over.

  Included is one branch from the MFD tree as it contains some
  PM-related driver core and ACPI PM changes a few other commits are
  based on.

  Specifics:

   - ACPICA update to upstream revision 20150818 including method
     tracing extensions to allow more in-depth AML debugging in the
     kernel and a number of assorted fixes and cleanups (Bob Moore, Lv
     Zheng, Markus Elfring).

   - ACPI sysfs code updates and a documentation update related to AML
     method tracing (Lv Zheng).

   - ACPI EC driver fix related to serialized evaluations of _Qxx
     methods and ACPI tools updates allowing the EC userspace tool to be
     built from the kernel source (Lv Zheng).

   - ACPI processor driver updates preparing it for future introduction
     of CPPC support and ACPI PCC mailbox driver updates (Ashwin
     Chaugule).

   - ACPI interrupts enumeration fix for a regression related to the
     handling of IRQ attribute conflicts between MADT and the ACPI
     namespace (Jiang Liu).

   - Fixes related to ACPI device PM (Mika Westerberg, Srinidhi
     Kasagar).

   - ACPI device registration code reorganization to separate the
     sysfs-related code and bus type operations from the rest (Rafael J
     Wysocki).

   - Assorted cleanups in the ACPI core (Jarkko Nikula, Mathias Krause,
     Andy Shevchenko, Rafael J Wysocki, Nicolas Iooss).

   - ACPI cpufreq driver and ia64 cpufreq driver fixes and cleanups (Pan
     Xinhui, Rafael J Wysocki).

   - cpufreq core cleanups on top of the previous changes allowing it to
     preseve its sysfs directories over system suspend/resume (Viresh
     Kumar, Rafael J Wysocki, Sebastian Andrzej Siewior).

   - cpufreq fixes and cleanups related to governors (Viresh Kumar).

   - cpufreq updates (core and the cpufreq-dt driver) related to the
     turbo/boost mode support (Viresh Kumar, Bartlomiej Zolnierkiewicz).

   - New DT bindings for Operating Performance Points (OPP), support for
     them in the OPP framework and in the cpufreq-dt driver plus related
     OPP framework fixes and cleanups (Viresh Kumar).

   - cpufreq powernv driver updates (Shilpasri G Bhat).

   - New cpufreq driver for Mediatek MT8173 (Pi-Cheng Chen).

   - Assorted cpufreq driver (speedstep-lib, sfi, integrator) cleanups
     and fixes (Abhilash Jindal, Andrzej Hajda, Cristian Ardelean).

   - intel_pstate driver updates including Skylake-S support, support
     for enabling HW P-states per CPU and an additional vendor bypass
     list entry (Kristen Carlson Accardi, Chen Yu, Ethan Zhao).

   - cpuidle core fixes related to the handling of coupled idle states
     (Xunlei Pang).

   - intel_idle driver updates including Skylake Client support and
     support for freeze-mode-specific idle states (Len Brown).

   - Driver core updates related to power management (Andy Shevchenko,
     Rafael J Wysocki).

   - Generic power domains framework fixes and cleanups (Jon Hunter,
     Geert Uytterhoeven, Rajendra Nayak, Ulf Hansson).

   - Device PM QoS framework update to allow the latency tolerance
     setting to be exposed to user space via sysfs (Mika Westerberg).

   - devfreq support for PPMUv2 in Exynos5433 and a fix for an incorrect
     exynos-ppmu DT binding (Chanwoo Choi, Javier Martinez Canillas).

   - System sleep support updates (Alan Stern, Len Brown, SungEun Kim).

   - rockchip-io AVS support updates (Heiko Stuebner).

   - PM core clocks support fixup (Colin Ian King).

   - Power capping RAPL driver update including support for Skylake H/S
     and Broadwell-H (Radivoje Jovanovic, Seiichi Ikarashi).

   - Generic device properties framework fixes related to the handling
     of static (driver-provided) property sets (Andy Shevchenko).

   - turbostat and cpupower updates (Len Brown, Shilpasri G Bhat,
     Shreyas B Prabhu)"

* tag 'pm+acpi-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (180 commits)
  cpufreq: speedstep-lib: Use monotonic clock
  cpufreq: powernv: Increase the verbosity of OCC console messages
  cpufreq: sfi: use kmemdup rather than duplicating its implementation
  cpufreq: drop !cpufreq_driver check from cpufreq_parse_governor()
  cpufreq: rename cpufreq_real_policy as cpufreq_user_policy
  cpufreq: remove redundant 'policy' field from user_policy
  cpufreq: remove redundant 'governor' field from user_policy
  cpufreq: update user_policy.* on success
  cpufreq: use memcpy() to copy policy
  cpufreq: remove redundant CPUFREQ_INCOMPATIBLE notifier event
  cpufreq: mediatek: Add MT8173 cpufreq driver
  dt-bindings: mediatek: Add MT8173 CPU DVFS clock bindings
  PM / Domains: Fix typo in description of genpd_dev_pm_detach()
  PM / Domains: Remove unusable governor dummies
  PM / Domains: Make pm_genpd_init() available to modules
  PM / domains: Align column headers and data in pm_genpd_summary output
  powercap / RAPL: disable the 2nd power limit properly
  tools: cpupower: Fix error when running cpupower monitor
  PM / OPP: Drop unlikely before IS_ERR(_OR_NULL)
  PM / OPP: Fix static checker warning (broken 64bit big endian systems)
  ...
2015-09-01 19:45:46 -07:00
Linus Torvalds f1a3c0b933 DeviceTree updates for 4.3:
- Adding Frank Rowand as DT maintainer in preparation for Grant's
   retirement.
 - Generic MSI binding documentation and a few other minor doc updates
 - Fix long standing issue with DT platorm device unregistration
 - Fix loop forever bug in of_find_matching_node_by_address()
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Merge tag 'devicetree-for-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree updates from Rob Herring:
 - added Frank Rowand as DT maintainer in preparation for Grant's
   retirement.
 - generic MSI binding documentation and a few other minor doc updates
 - fix long standing issue with DT platorm device unregistration
 - fix loop forever bug in of_find_matching_node_by_address()

* tag 'devicetree-for-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  MAINTAINERS: Add Frank Rowand as DT maintainer
  mtd: nand: pxa3xx: add optional dma for pxa architecture
  Documentation: DT: cpsw: document missing compatible
  Docs: dt: add generic MSI bindings
  drivercore: Fix unregistration path of platform devices
  of/address: Don't loop forever in of_find_matching_node_by_address().
  of: Add vendor prefix for JEDEC Solid State Technology Association
  of/platform: add function to populate default bus
  of: Add vendor prefix for Sharp Corporation
2015-09-01 19:37:56 -07:00
Zhang Rui 5a924a07f8 Merge branches 'thermal-core' and 'thermal-intel' of .git into next 2015-09-02 10:08:02 +08:00
Linus Torvalds 089b669506 Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree updates from Jiri Kosina:
 "The usual stuff from trivial tree for 4.3 (kerneldoc updates, printk()
  fixes, Documentation and MAINTAINERS updates)"

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (28 commits)
  MAINTAINERS: update my e-mail address
  mod_devicetable: add space before */
  scsi: a100u2w: trivial typo in printk
  i2c: Fix typo in i2c-bfin-twi.c
  treewide: fix typos in comment blocks
  Doc: fix trivial typo in SubmittingPatches
  proportions: Spelling s/consitent/consistent/
  dm: Spelling s/consitent/consistent/
  aic7xxx: Fix typo in error message
  pcmcia: Fix typo in locking documentation
  scsi/arcmsr: Fix typos in error log
  drm/nouveau/gr: Fix typo in nv10.c
  [SCSI] Fix printk typos in drivers/scsi
  staging: comedi: Grammar s/Enable support a/Enable support for a/
  Btrfs: Spelling s/consitent/consistent/
  README: GTK+ is a acronym
  ASoC: omap: Fix typo in config option description
  mm: tlb.c: Fix error message
  ntfs: super.c: Fix error log
  fix typo in Documentation/SubmittingPatches
  ...
2015-09-01 18:46:42 -07:00
Linus Torvalds 851328feb8 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID updates from Jiri Kosina:
 "to receive patches queued for 4.3 merge window in HID tree. Highlights:

   - a lot of improvements (regarding supported features and devices) to
     Wacom driver, from Aaron Skomra and Jason Gerecke
   - a lot of functional fixes and support for large I2C transfer to
     cp2112 driver, from Ellen Wang
   - HW support improvements to RMI driver, from Andrew Duggan
   - quite some small fixes and device ID additions all over the place"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (44 commits)
  HID: wacom: wacom_setup_numbered_buttons is local to wacom_wac
  HID: wacom: Add support for Express Key Remote.
  HID: wacom: Set button bits based on a new numbered_buttons
  HID: quirks: add QUIRK_NOGET for an other TPV touchscreen
  HID: usbhid: Fix the check for HID_RESET_PENDING in hid_io_error
  HID: i2c-hid: Only disable irq wake if it was successfully enabled during suspend
  HID: wacom: Use tablet-provided touch height/width values for INTUOSHT
  HID: gembird: add new driver to fix Gembird JPD-DualForce 2
  HID: lenovo: Hide middle-button press until release
  HID: lenovo: Add missing return-value check
  HID: lenovo: Use constants for axes names
  HID: wacom: Simplify 'wacom_pl_irq'
  HID: wacom: Do not repeatedly attempt to set device mode on error
  HID: wacom: Do not repeatedly attempt to set device mode on error
  HID: wacom: Remove WACOM_QUIRK_NO_INPUT
  HID: wacom: Replace WACOM_QUIRK_MONITOR with WACOM_DEVICETYPE_WL_MONITOR
  HID: wacom: Use calculated pkglen for wireless touch interface
  HID: sony: Fix DS4 controller reporting rate issues
  HID: chicony: Add support for Acer Aspire Switch 12
  HID: hid-lg: Add USBID for Logitech G29 Wheel
  ...
2015-09-01 18:39:09 -07:00
Linus Torvalds 17e6b00ac4 Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
 "This updated pull request does not contain the last few GIC related
  patches which were reported to cause a regression.  There is a fix
  available, but I let it breed for a couple of days first.

  The irq departement provides:

   - new infrastructure to support non PCI based MSI interrupts
   - a couple of new irq chip drivers
   - the usual pile of fixlets and updates to irq chip drivers
   - preparatory changes for removal of the irq argument from interrupt
     flow handlers
   - preparatory changes to remove IRQF_VALID"

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (129 commits)
  irqchip/imx-gpcv2: IMX GPCv2 driver for wakeup sources
  irqchip: Add bcm2836 interrupt controller for Raspberry Pi 2
  irqchip: Add documentation for the bcm2836 interrupt controller
  irqchip/bcm2835: Add support for being used as a second level controller
  irqchip/bcm2835: Refactor handle_IRQ() calls out of MAKE_HWIRQ
  PCI: xilinx: Fix typo in function name
  irqchip/gic: Ensure gic_cpu_if_up/down() programs correct GIC instance
  irqchip/gic: Only allow the primary GIC to set the CPU map
  PCI/MSI: pci-xgene-msi: Consolidate chained IRQ handler install/remove
  unicore32/irq: Prepare puv3_gpio_handler for irq argument removal
  tile/pci_gx: Prepare trio_handle_level_irq for irq argument removal
  m68k/irq: Prepare irq handlers for irq argument removal
  C6X/megamode-pic: Prepare megamod_irq_cascade for irq argument removal
  blackfin: Prepare irq handlers for irq argument removal
  arc/irq: Prepare idu_cascade_isr for irq argument removal
  sparc/irq: Use access helper irq_data_get_affinity_mask()
  sparc/irq: Use helper irq_data_get_irq_handler_data()
  parisc/irq: Use access helper irq_data_get_affinity_mask()
  mn10300/irq: Use access helper irq_data_get_affinity_mask()
  irqchip/i8259: Prepare i8259_irq_dispatch for irq argument removal
  ...
2015-09-01 14:33:35 -07:00
Linus Torvalds 8d01b66b4f ARM: SoC 64-bit changes for v4.3
Here's our branch of ARM64 contents for this merge window.
 
 Most of this is DT contents for new SoCs (or those who have seen new
 device support added). Maybe we should stop separating out the arm64
 contents here to avoid the kind of internal conflicts as we got this
 time around, where 32- and 64-bit contents conflicted.
 
 Anyhow, on the actual contents:
 
 New SoCs:
 
 - Broadcom North Star 2 (ns2)
 - Marvell Berlin4CT
 - Mediatek MT6795
 - Rockchip RK3368
 
 In addition, there are enhancements for the following platforms:
 
 - Mediatek MT8173: cpuidle-dt updates, misc other additions
 - ZyncMP: A bunch of devices added to the existing DTSI
 - Qualcomm MSM8916 and APQ8016 updates for USB, etc.
 
 + A handful of other updates for various platforms
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Merge tag 'armsoc-arm64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC 64-bit changes from Olof Johansson:
 "Here's our branch of ARM64 contents for this merge window.

  Most of this is DT contents for new SoCs (or those who have seen new
  device support added).  Maybe we should stop separating out the arm64
  contents here to avoid the kind of internal conflicts as we got this
  time around, where 32- and 64-bit contents conflicted.

  Anyhow, on the actual contents:

  New SoCs:

   - Broadcom North Star 2 (ns2)
   - Marvell Berlin4CT
   - Mediatek MT6795
   - Rockchip RK3368

  In addition, there are enhancements for the following platforms:

   - Mediatek MT8173: cpuidle-dt updates, misc other additions
   - ZyncMP: A bunch of devices added to the existing DTSI
   - Qualcomm MSM8916 and APQ8016 updates for USB, etc.

  + a handful of other updates for various platforms"

* tag 'armsoc-arm64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (47 commits)
  ARM64: dts: vexpress: Use assigned-clock-parents for sp810
  ARM64: dts: mt6795: enable basic SMP bringup for MT6795
  arm64: Enable Marvell Berlin SoC family in defconfig
  arm64: Enable Marvell Berlin SoC family in Kconfig
  arm64: dts: Add dts files for Marvell Berlin4CT SoC
  ARM64: zynqmp: Move SPI nodes to the right location
  ARM64: zynqmp: Move uart and ttcs to the right location
  ARM64: zynqmp: Enable spi flashes on ep108
  ARM64: zynqmp: Add eeprom memories on i2c bus
  ARM64: zynqmp: Enable sdhci on ep108
  ARM64: zynqmp: Enable watchdog on ep108
  ARM64: zynqmp: Add DWC3 usb support
  ARM64: zynqmp: Add SMMU support
  ARM64: zynqmp: Add CANs node for platform
  ARM64: zynqmp: Use zynqmp specific compatible string for gpio
  devicetree: xilinx: zynqmp: add sata node
  PCI: iproc: Fix BCMA dependency in Kconfig
  arm64: dts: Add Broadcom North Star 2 support
  arm64: Add Broadcom iProc family support
  PCI: iproc: Fix ARM64 dependency in Kconfig
  ...
2015-09-01 13:29:48 -07:00
Linus Torvalds b3a5af435a ARM: DT updates for v4.3
This is the usual large batch of DT updates. Lots and lots of smaller
 changes, some of the larger ones to point out are:
 
 - Rockchip veyron (Chromebook) support, as well as several other new boards
 - DRM support on Atmel AT91SAM9N12EK
 - USB additions on some Allwinner platforms
 - Mediatek MT6580 support
 - Freescale i.MX6UL support
 - Cleanups for Renesas shmobile platforms
 - Lots of added devices on LPC18xx
 - Lots of added devices and boards on UniPhier
 
 There's also some dependent code added here, in particular some branches
 that are primarily merged through the clock tree.
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM DT updates from Olof Johansson:
 "Ladies and gentlemen, we proudly announce to you the latest branch of
  ARM device tree contents for the mainline kernel.  Come and see, come
  and see!

  No less than twentythree thousand lines of additions! Just imagine the
  joy you will have of using your mainline kernel on newly supported
  hardware such as Rockchip Chromebooks, Freescale i.MX6UL boards or
  UniPhier hardware!

  For those of you feeling less adventurous, added hardware support on
  platforms such as TI DM814x and Gumstix Overo platforms might be more
  of your liking.

  We've got something for everyone here!

  Ahem.  Cough.  So, anyway...

  This is the usual large batch of DT updates.  Lots and lots of smaller
  changes, some of the larger ones to point out are:

   - Rockchip veyron (Chromebook) support, as well as several other new boards
   - DRM support on Atmel AT91SAM9N12EK
   - USB additions on some Allwinner platforms
   - Mediatek MT6580 support
   - Freescale i.MX6UL support
   - cleanups for Renesas shmobile platforms
   - lots of added devices on LPC18xx
   - lots of added devices and boards on UniPhier

  There's also some dependent code added here, in particular some
  branches that are primarily merged through the clock tree"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (389 commits)
  ARM: tegra: Add gpio-ranges property
  ARM: tegra: Fix AHB base address on Tegra20, Tegra30 and Tegra114
  ARM: tegra: Add Tegra124 PMU support
  ARM: tegra: jetson-tk1: Add GK20A GPU DT node
  ARM: tegra: venice2: Add GK20A GPU DT node
  ARM: tegra: Add IOMMU node to GK20A
  ARM: tegra: Add CPU regulator to the Jetson TK1 device tree
  ARM: tegra: Add entries for cpufreq on Tegra124
  ARM: tegra: Enable the DFLL on the Jetson TK1
  ARM: tegra: Add the DFLL to Tegra124 device tree
  ARM: dts: zynq: Add devicetree entry for Xilinx Zynq reset controller.
  ARM: dts: UniPhier: fix PPI interrupt CPU mask of timer nodes
  ARM: dts: rockchip: correct regulator power states for suspend
  ARM: dts: rockchip: correct regulator PM properties
  ARM: dts: vexpress: Use assigned-clock-parents for sp810
  pinctrl: tegra: Only set the gpio range if needed
  arm: boot: dts: am4372: add ARM timers and SCU nodes
  ARM: dts: AM4372: Add the am4372-rtc compatible string
  ARM: shmobile: r8a7794 dtsi: Add CPG/MSTP Clock Domain
  ARM: shmobile: r8a7793 dtsi: Add CPG/MSTP Clock Domain
  ...
2015-09-01 13:09:20 -07:00
Linus Torvalds 102178108e ARM: SoC driver updates for v4.3
Some releases this branch is nearly empty, others we have more stuff. It
 tends to gather drivers that need SoC modification or dependencies such
 that they have to (also) go in through our tree.
 
 For this release, we have merged in part of the reset controller tree
 (with handshake that the parts we have merged in will remain stable),
 as well as dependencies on a few clock branches.
 
 In general, new items here are:
 
 - Qualcomm driver for SMM/SMD, which is how they communicate with the
   coprocessors on (some) of their platforms
 - Memory controller work for ARM's PL172 memory controller
 - Reset drivers for various platforms
 - PMU power domain support for Marvell platforms
 - Tegra support for T132/T210 SoCs: PMC, fuse, memory controller per-SoC support
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Olof Johansson:
 "Some releases this branch is nearly empty, others we have more stuff.
  It tends to gather drivers that need SoC modification or dependencies
  such that they have to (also) go in through our tree.

  For this release, we have merged in part of the reset controller tree
  (with handshake that the parts we have merged in will remain stable),
  as well as dependencies on a few clock branches.

  In general, new items here are:

   - Qualcomm driver for SMM/SMD, which is how they communicate with the
     coprocessors on (some) of their platforms

   - memory controller work for ARM's PL172 memory controller

   - reset drivers for various platforms

   - PMU power domain support for Marvell platforms

   - Tegra support for T132/T210 SoCs: PMC, fuse, memory controller
     per-SoC support"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (49 commits)
  ARM: tegra: cpuidle: implement cpuidle_state.enter_freeze()
  ARM: tegra: Disable cpuidle if PSCI is available
  soc/tegra: pmc: Use existing pclk reference
  soc/tegra: pmc: Remove unnecessary return statement
  soc: tegra: Remove redundant $(CONFIG_ARCH_TEGRA) in Makefile
  memory: tegra: Add Tegra210 support
  memory: tegra: Add support for a variable-size client ID bitfield
  clk: shmobile: rz: Add CPG/MSTP Clock Domain support
  clk: shmobile: rcar-gen2: Add CPG/MSTP Clock Domain support
  clk: shmobile: r8a7779: Add CPG/MSTP Clock Domain support
  clk: shmobile: r8a7778: Add CPG/MSTP Clock Domain support
  clk: shmobile: Add CPG/MSTP Clock Domain support
  ARM: dove: create a proper PMU driver for power domains, PMU IRQs and resets
  reset: reset-zynq: Adding support for Xilinx Zynq reset controller.
  docs: dts: Added documentation for Xilinx Zynq Reset Controller bindings.
  MIPS: ath79: Add the reset controller to the AR9132 dtsi
  reset: Add a driver for the reset controller on the AR71XX/AR9XXX
  devicetree: Add bindings for the ATH79 reset controller
  reset: socfpga: Update reset-socfpga to read the altr,modrst-offset property
  doc: dt: add documentation for lpc1850-rgu reset driver
  ...
2015-09-01 13:00:04 -07:00
Linus Torvalds 50686e8a3a ARM: SoC platform updates for v4.3
New or improved SoC support:
 
 - Addition of support for Atmel's SAMA5D2 SoC
 - Addition of Freescale i.MX6UL
 - Improved support of TI's DM814x platform
 - Misc fixes and improvements for RockChip platforms
 - Marvell MVEBU suspend/resume support
 
 A few driver changes that ideally would belong in the drivers branch are
 also here (acked by appropriate maintainers):
 
 - Power key input driver for Freescale platforms (svns)
 - RTC driver updates for Freescale platforms (svns/mxc)
 - Clk fixes for TI DM814/816X
 
 + a bunch of other changes for various platforms
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Olof Johansson:
 "New or improved SoC support:

   - add support for Atmel's SAMA5D2 SoC
   - add support for Freescale i.MX6UL
   - improved support for TI's DM814x platform
   - misc fixes and improvements for RockChip platforms
   - Marvell MVEBU suspend/resume support

  A few driver changes that ideally would belong in the drivers branch
  are also here (acked by appropriate maintainers):

   - power key input driver for Freescale platforms (svns)
   - RTC driver updates for Freescale platforms (svns/mxc)
   - clk fixes for TI DM814/816X

  + a bunch of other changes for various platforms"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (83 commits)
  ARM: rockchip: pm: Fix PTR_ERR() argument
  ARM: imx: mach-imx6ul: Fix allmodconfig build
  clk: ti: fix for definition movement
  ARM: uniphier: drop v7_invalidate_l1 call at secondary entry
  memory: kill off set_irq_flags usage
  rtc: snvs: select option REGMAP_MMIO
  ARM: brcmstb: select ARCH_DMA_ADDR_T_64BIT for LPAE
  ARM: BCM: Enable ARM erratum 798181 for BRCMSTB
  ARM: OMAP2+: Fix power domain operations regression caused by 81xx
  ARM: rockchip: enable PMU_GPIOINT_WAKEUP_EN when entering shallow suspend
  ARM: rockchip: set correct stabilization thresholds in suspend
  ARM: rockchip: rename osc_switch_to_32k variable
  ARM: imx6ul: add fec MAC refrence clock and phy fixup init
  ARM: imx6ul: add fec bits to GPR syscon definition
  rtc: mxc: add support of device tree
  dt-binding: document the binding for mxc rtc
  rtc: mxc: use a second rtc clock
  ARM: davinci: cp_intc: use IRQCHIP_SKIP_SET_WAKE instead of irq_set_wake callback
  soc: mediatek: Fix SCPSYS compilation
  ARM: at91/soc: add basic support for new sama5d2 SoC
  ...
2015-09-01 12:18:40 -07:00
Linus Torvalds c5fc249862 ARM: SoC cleanups for v4.3
A large cleanup branch this release, with a healthy 10k negative line delta.
 
 Most of this is removal of legacy (non-DT) support of shmobile
 platforms. There is also removal of two non-DT platforms on OMAP,
 and the plat-samsung directory is cleaned out by moving most of the
 previously shared-location-but-not-actually-shared files from there to
 the appropriate mach directories instead.
 
 There are other sets of changes in here as well:
 
  - Rob Herring removed use of set_irq_flags under all platforms and
    moved to genirq alternatives
  - A series of timer API conversions to set-state interface
  - ep93xx, nomadik and ux500 cleanups from Linus Walleij
  - __init annotation fixes from Nicolas Pitre
  + a bunch of other changes that all add up to a nice set of cleanups
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Merge tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups from Olof Johansson:
 "A large cleanup branch this release, with a healthy 10k negative line
  delta.

  Most of this is removal of legacy (non-DT) support of shmobile
  platforms.  There is also removal of two non-DT platforms on OMAP, and
  the plat-samsung directory is cleaned out by moving most of the
  previously shared-location-but-not-actually-shared files from there to
  the appropriate mach directories instead.

  There are other sets of changes in here as well:

   - Rob Herring removed use of set_irq_flags under all platforms and
     moved to genirq alternatives

   - a series of timer API conversions to set-state interface

   - ep93xx, nomadik and ux500 cleanups from Linus Walleij

   - __init annotation fixes from Nicolas Pitre

   + a bunch of other changes that all add up to a nice set of cleanups"

* tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (108 commits)
  ARM/fb: ep93xx: switch framebuffer to use modedb only
  ARM: gemini: Setup timer3 as free running timer
  ARM: gemini: Use timer1 for clockevent
  ARM: gemini: Add missing register definitions for gemini timer
  ARM: ep93xx/timer: Migrate to new 'set-state' interface
  ARM: nomadik: push accelerometer down to boards
  ARM: nomadik: move l2x0 setup to device tree
  ARM: nomadik: selectively enable UART0 on boards
  ARM: nomadik: move hog code to use DT hogs
  ARM: shmobile: Fix mismerges
  ARM: ux500: simplify secondary CPU boot
  ARM: SAMSUNG: remove keypad-core header in plat-samsung
  ARM: SAMSUNG: local watchdog-reset header in mach-s3c64xx
  ARM: SAMSUNG: local onenand-core header in mach-s3c64xx
  ARM: SAMSUNG: local irq-uart header in mach-s3c64xx
  ARM: SAMSUNG: local backlight header in mach-s3c64xx
  ARM: SAMSUNG: local ata-core header in mach-s3c64xx
  ARM: SAMSUNG: local regs-usb-hsotg-phy header in mach-s3c64xx
  ARM: SAMSUNG: local spi-core header in mach-s3c24xx
  ARM: SAMSUNG: local nand-core header in mach-s3c24xx
  ...
2015-09-01 12:10:20 -07:00
Linus Torvalds 28dce7c770 ARC updates for 4.3
-perf support for ARCv2 based cores (sampling interrupt, SMP)
  -leftovers for ARCv2 support
  -Futex fixes
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Merge tag 'arc-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc

Pull ARC architecture updates from Vineet Gupta:
 "ARC updates for 4.3:

   - perf support for ARCv2 based cores (sampling interrupt, SMP)
   - leftovers for ARCv2 support
   - futex fixes"

* tag 'arc-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
  ARCv2: entry: Fix reserved handler
  ARCv2: perf: Finally introduce HS perf unit
  ARCv2: perf: SMP support
  ARCv2: perf: implement exclusion of event counting in user or kernel mode
  ARCv2: perf: Support sampling events using overflow interrupts
  ARCv2: perf: implement "event_set_period"
  ARC: perf: cap the number of counters to hardware max of 32
  ARC: Eliminate some ARCv2 specific code for ARCompact build
  ARC: add/fix some comments in code - no functional change
  ARC: change some branchs to jumps to resolve linkage errors
  ARC: ensure futex ops are atomic in !LLSC config
  ARC: Enable HAVE_FUTEX_CMPXCHG
  ARC: make futex_atomic_cmpxchg_inatomic() return bimodal
  ARC: futex cosmetics
  ARC: add barriers to futex code
  ARCv2: IOC: Allow boot time disable
  ARCv2: SLC: Allow boot time disable
  ARCv2: Support IO Coherency and permutations involving L1 and L2 caches
  ARC: Enable optimistic spinning for LLSC config
  MAINTAINERS: add git tree for the arc architecture
2015-09-01 11:55:57 -07:00
Linus Torvalds 25525bea46 Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 mm updates from Ingo Molnar:
 "The dominant change in this cycle was the continued work to isolate
  kernel drivers from MTRR legacies: this tree gets rid of all kernel
  internal driver interfaces to MTRRs (mostly by rewriting it to proper
  PAT interfaces), the only access left is the /proc/mtrr ABI.

  This work was done by Luis R Rodriguez.

  There's also some related PCI interface additions for which I've
  Cc:-ed Bjorn"

* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits)
  x86/mm/mtrr: Remove kernel internal MTRR interfaces: unexport mtrr_add() and mtrr_del()
  s390/io: Add pci_iomap_wc() and pci_iomap_wc_range()
  drivers/dma/iop-adma: Use dma_alloc_writecombine() kernel-style
  drivers/video/fbdev/vt8623fb: Use arch_phys_wc_add() and pci_iomap_wc()
  drivers/video/fbdev/s3fb: Use arch_phys_wc_add() and pci_iomap_wc()
  drivers/video/fbdev/arkfb.c: Use arch_phys_wc_add() and pci_iomap_wc()
  PCI: Add pci_iomap_wc() variants
  drivers/video/fbdev/gxt4500: Use pci_ioremap_wc_bar() to map framebuffer
  drivers/video/fbdev/kyrofb: Use arch_phys_wc_add() and pci_ioremap_wc_bar()
  drivers/video/fbdev/i740fb: Use arch_phys_wc_add() and pci_ioremap_wc_bar()
  PCI: Add pci_ioremap_wc_bar()
  x86/mm: Make kernel/check.c explicitly non-modular
  x86/mm/pat: Make mm/pageattr[-test].c explicitly non-modular
  x86/mm/pat: Add comments to cachemode translation tables
  arch/*/io.h: Add ioremap_uc() to all architectures
  drivers/video/fbdev/atyfb: Use arch_phys_wc_add() and ioremap_wc()
  drivers/video/fbdev/atyfb: Replace MTRR UC hole with strong UC
  drivers/video/fbdev/atyfb: Clarify ioremap() base and length used
  drivers/video/fbdev/atyfb: Carve out framebuffer length fudging into a helper
  x86/mm, asm-generic: Add IOMMU ioremap_uc() variant default
  ...
2015-09-01 10:07:40 -07:00
Linus Torvalds 11e612ddb4 Merge branch 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 boot updates from Ingo Molnar:
 "The main x86 bootup related changes in this cycle were:

   - more boot time optimizations.  (Len Brown)

   - implement hex output to allow the debugging of early bootup
     parameters.  (Kees Cook)

   - remove obsolete MCA leftovers.  (Paolo Pisati)"

* 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/smpboot: Remove APIC.wait_for_init_deassert and atomic init_deasserted
  x86/smpboot: Remove SIPI delays from cpu_up()
  x86/smpboot: Remove udelay(100) when polling cpu_callin_map
  x86/smpboot: Remove udelay(100) when polling cpu_initialized_map
  x86/boot: Obsolete the MCA sys_desc_table
  x86/boot: Add hex output for debugging
2015-09-01 09:04:31 -07:00
Rafael J. Wysocki 56963d99b7 Merge branches 'pm-sleep', 'pm-domains' and 'pm-avs'
* pm-sleep:
  PM / suspend: make sync() on suspend-to-RAM build-time optional
  PM / sleep: Allow devices without runtime PM to do direct-complete
  PM / autosleep: Use workqueue for user space wakeup sources garbage collector

* pm-domains:
  PM / Domains: Fix typo in description of genpd_dev_pm_detach()
  PM / Domains: Remove unusable governor dummies
  PM / Domains: Make pm_genpd_init() available to modules
  PM / domains: Align column headers and data in pm_genpd_summary output
  PM / Domains: Return -EPROBE_DEFER if we fail to init or turn-on domain
  PM / Domains: Correct unit address in power-controller example
  PM / Domains: Remove intermediate states from the power off sequence

* pm-avs:
  PM / AVS: rockchip-io: add io selectors and supplies for rk3368
  PM / AVS: rockchip-io: depend on CONFIG_POWER_AVS
2015-09-01 15:54:20 +02:00
Rafael J. Wysocki 5cf896b3c7 Merge branches 'pm-cpuidle', 'pm-devfreq' and 'pm-clk'
* pm-cpuidle:
  cpuidle/coupled: Remove redundant 'dev' argument of cpuidle_state_is_coupled()
  cpuidle/coupled: Remove cpuidle_device::safe_state_index
  intel_idle: Skylake Client Support
  intel_idle: allow idle states to be freeze-mode specific

* pm-devfreq:
  PM / devfreq: exynos-ppmu: Update documentation to support PPMUv2
  PM / devfreq: exynos-ppmu: Add the support of PPMUv2 for Exynos5433
  PM / devfreq: event: Remove incorrect property in exynos-ppmu DT binding

* pm-clk:
  PM / clk: don't return int on __pm_clk_enable()
2015-09-01 15:53:37 +02:00
Rafael J. Wysocki ac2a29c8a4 Merge branch 'pm-opp'
* pm-opp:
  PM / OPP: Drop unlikely before IS_ERR(_OR_NULL)
  PM / OPP: Fix static checker warning (broken 64bit big endian systems)
  PM / OPP: Free resources and properly return error on failure
  cpufreq-dt: make scaling_boost_freqs sysfs attr available when boost is enabled
  cpufreq: dt: Add support for turbo/boost mode
  cpufreq: dt: Add support for operating-points-v2 bindings
  cpufreq: Allow drivers to enable boost support after registering driver
  cpufreq: Update boost flag while initializing freq table from OPPs
  PM / OPP: add dev_pm_opp_is_turbo() helper
  PM / OPP: Add helpers for initializing CPU OPPs
  PM / OPP: Add support for opp-suspend
  PM / OPP: Add OPP sharing information to OPP library
  PM / OPP: Add clock-latency-ns support
  PM / OPP: Add support to parse "operating-points-v2" bindings
  PM / OPP: Break _opp_add_dynamic() into smaller functions
  PM / OPP: Allocate dev_opp from _add_device_opp()
  PM / OPP: Create _remove_device_opp() for freeing dev_opp
  PM / OPP: Relocate few routines
  PM / OPP: Create a directory for opp bindings
  PM / OPP: Update bindings to make opp-hz a 64 bit value
2015-09-01 15:52:41 +02:00
Rafael J. Wysocki 4ffe18c255 Merge branch 'pm-cpufreq'
* pm-cpufreq: (53 commits)
  cpufreq: speedstep-lib: Use monotonic clock
  cpufreq: powernv: Increase the verbosity of OCC console messages
  cpufreq: sfi: use kmemdup rather than duplicating its implementation
  cpufreq: drop !cpufreq_driver check from cpufreq_parse_governor()
  cpufreq: rename cpufreq_real_policy as cpufreq_user_policy
  cpufreq: remove redundant 'policy' field from user_policy
  cpufreq: remove redundant 'governor' field from user_policy
  cpufreq: update user_policy.* on success
  cpufreq: use memcpy() to copy policy
  cpufreq: remove redundant CPUFREQ_INCOMPATIBLE notifier event
  cpufreq: mediatek: Add MT8173 cpufreq driver
  dt-bindings: mediatek: Add MT8173 CPU DVFS clock bindings
  intel_pstate: append more Oracle OEM table id to vendor bypass list
  intel_pstate: Add SKY-S support
  intel_pstate: Fix possible overflow complained by Coverity
  cpufreq: Correct a freq check in cpufreq_set_policy()
  cpufreq: Lock CPU online/offline in cpufreq_register_driver()
  cpufreq: Replace recover_policy with new_policy in cpufreq_online()
  cpufreq: Separate CPU device registration from CPU online
  cpufreq: powernv: Restore cpu frequency to policy->cur on unthrottling
  ...
2015-09-01 15:52:35 +02:00
Viresh Kumar 6bfb7c7434 cpufreq: remove redundant CPUFREQ_INCOMPATIBLE notifier event
What's being done from CPUFREQ_INCOMPATIBLE, can also be done with
CPUFREQ_ADJUST. There is nothing special with CPUFREQ_INCOMPATIBLE
notifier.

Kill CPUFREQ_INCOMPATIBLE and fix its usage sites.

This also updates the numbering of notifier events to remove holes.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-09-01 15:50:38 +02:00
Pi-Cheng Chen c9c96ae2c5 dt-bindings: mediatek: Add MT8173 CPU DVFS clock bindings
This patch adds the clock and regulator consumer properties part of
document for CPU DVFS clocks on Mediatek MT8173 SoC.

Signed-off-by: Pi-Cheng Chen <pi-cheng.chen@linaro.org>
Acked-by: Michael Turquette <mturquette@baylibre.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-09-01 15:50:11 +02:00
Jiri Kosina 8c4de9bc20 Merge branches 'for-4.3/chicony', 'for-4.3/cp2112', 'for-4.3/i2c-hid', 'for-4.3/lenovo', 'for-4.3/logitech', 'for-4.3/multitouch', 'for-4.3/picolcd', 'for-4.3/rmi', 'for-4.3/sensor-hub', 'for-4.3/sony' and 'for-4.3/wacom' into for-linus 2015-09-01 15:37:30 +02:00
Robert Jarzmik 9d6f85d9fe mtd: nand: pxa3xx: add optional dma for pxa architecture
The PXA architecture provides a DMA to pump data from the nand
controller to memory and the other way around. Add it to the binding
description.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Rob Herring <robh@kernel.org>
2015-09-01 08:18:12 -05:00
Mugunthan V N 472204fe37 Documentation: DT: cpsw: document missing compatible
CPSW driver has multiple compatibles for errata implementations but not
documented, add necessary documentation.

Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2015-09-01 08:17:30 -05:00
Rafael J. Wysocki 94f2bb9b59 Merge branch 'acpi-trace'
* acpi-trace:
  ACPI / Documentation: Update method tracing documentation.
  ACPI / sysfs: Add support to allow leading "\" missing in trace_method_name.
  ACPI / sysfs: Update method tracing facility.
  ACPI / sysfs: Add ACPI_LV_REPAIR debug level.
2015-09-01 03:37:59 +02:00
Linus Torvalds 7073bc6612 Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU updates from Ingo Molnar:
 "The main RCU changes in this cycle are:

   - the combination of tree geometry-initialization simplifications and
     OS-jitter-reduction changes to expedited grace periods.  These two
     are stacked due to the large number of conflicts that would
     otherwise result.

   - privatize smp_mb__after_unlock_lock().

     This commit moves the definition of smp_mb__after_unlock_lock() to
     kernel/rcu/tree.h, in recognition of the fact that RCU is the only
     thing using this, that nothing else is likely to use it, and that
     it is likely to go away completely.

   - documentation updates.

   - torture-test updates.

   - misc fixes"

* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (60 commits)
  rcu,locking: Privatize smp_mb__after_unlock_lock()
  rcu: Silence lockdep false positive for expedited grace periods
  rcu: Don't disable CPU hotplug during OOM notifiers
  scripts: Make checkpatch.pl warn on expedited RCU grace periods
  rcu: Update MAINTAINERS entry
  rcu: Clarify CONFIG_RCU_EQS_DEBUG help text
  rcu: Fix backwards RCU_LOCKDEP_WARN() in synchronize_rcu_tasks()
  rcu: Rename rcu_lockdep_assert() to RCU_LOCKDEP_WARN()
  rcu: Make rcu_is_watching() really notrace
  cpu: Wait for RCU grace periods concurrently
  rcu: Create a synchronize_rcu_mult()
  rcu: Fix obsolete priority-boosting comment
  rcu: Use WRITE_ONCE in RCU_INIT_POINTER
  rcu: Hide RCU_NOCB_CPU behind RCU_EXPERT
  rcu: Add RCU-sched flavors of get-state and cond-sync
  rcu: Add fastpath bypassing funnel locking
  rcu: Rename RCU_GP_DONE_FQS to RCU_GP_DOING_FQS
  rcu: Pull out wait_event*() condition into helper function
  documentation: Describe new expedited stall warnings
  rcu: Add stall warnings to synchronize_sched_expedited()
  ...
2015-08-31 18:12:07 -07:00
Linus Torvalds d4c90396ed Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
 "Here is the crypto update for 4.3:

  API:

   - the AEAD interface transition is now complete.
   - add top-level skcipher interface.

  Drivers:

   - x86-64 acceleration for chacha20/poly1305.
   - add sunxi-ss Allwinner Security System crypto accelerator.
   - add RSA algorithm to qat driver.
   - add SRIOV support to qat driver.
   - add LS1021A support to caam.
   - add i.MX6 support to caam"

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (163 commits)
  crypto: algif_aead - fix for multiple operations on AF_ALG sockets
  crypto: qat - enable legacy VFs
  MPI: Fix mpi_read_buffer
  crypto: qat - silence a static checker warning
  crypto: vmx - Fixing opcode issue
  crypto: caam - Use the preferred style for memory allocations
  crypto: caam - Propagate the real error code in caam_probe
  crypto: caam - Fix the error handling in caam_probe
  crypto: caam - fix writing to JQCR_MS when using service interface
  crypto: hash - Add AHASH_REQUEST_ON_STACK
  crypto: testmgr - Use new skcipher interface
  crypto: skcipher - Add top-level skcipher interface
  crypto: cmac - allow usage in FIPS mode
  crypto: sahara - Use dmam_alloc_coherent
  crypto: caam - Add support for LS1021A
  crypto: qat - Don't move data inside output buffer
  crypto: vmx - Fixing GHASH Key issue on little endian
  crypto: vmx - Fixing AES-CTR counter bug
  crypto: null - Add missing Kconfig tristate for NULL2
  crypto: nx - Add forward declaration for struct crypto_aead
  ...
2015-08-31 17:38:39 -07:00
Linus Torvalds f36fc04e4c The clk framework changes for 4.3 are mostly updates to existing drivers
and the addition of new clock drivers. Stephen Boyd has also done a lot
 of subsystem-wide driver clean-ups (thanks!). There are also fixes to
 the framework core and changes to better split clock provider drivers
 from clock consumer drivers.
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Merge tag 'clk-for-linus-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Michael Turquette:
 "The clk framework changes for 4.3 are mostly updates to existing
  drivers and the addition of new clock drivers.  Stephen Boyd has also
  done a lot of subsystem-wide driver clean-ups (thanks!).  There are
  also fixes to the framework core and changes to better split clock
  provider drivers from clock consumer drivers"

* tag 'clk-for-linus-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (227 commits)
  clk: s5pv210: add missing call to samsung_clk_of_add_provider()
  clk: pistachio: correct critical clock list
  clk: pistachio: Fix PLL rate calculation in integer mode
  clk: pistachio: Fix override of clk-pll settings from boot loader
  clk: pistachio: Fix 32bit integer overflows
  clk: tegra: Fix some static checker problems
  clk: qcom: Fix MSM8916 prng clock enable bit
  clk: Add missing header for 'bool' definition to clk-conf.h
  drivers/clk: appropriate __init annotation for const data
  clk: rockchip: register pll mux before pll itself
  clk: add bindings for the Ux500 clocks
  clk/ARM: move Ux500 PRCC bases to the device tree
  clk: remove duplicated code with __clk_set_parent_after
  clk: Convert __clk_get_name(hw->clk) to clk_hw_get_name(hw)
  clk: Constify clk_hw argument to provider APIs
  clk: Hi6220: add stub clock driver
  dt-bindings: clk: Hi6220: Document stub clock driver
  dt-bindings: arm: Hi6220: add doc for SRAM controller
  clk: atlas7: fix pll missed divide NR in fraction mode
  clk: atlas7: fix bit field and its root clk for coresight_tpiu
  ...
2015-08-31 17:26:48 -07:00
Linus Torvalds 26f8b7edc9 PCI changes for the v4.3 merge window:
Enumeration
     Allocate ATS struct during enumeration (Bjorn Helgaas)
     Embed ATS info directly into struct pci_dev (Bjorn Helgaas)
     Reduce size of ATS structure elements (Bjorn Helgaas)
     Stop caching ATS Invalidate Queue Depth (Bjorn Helgaas)
     iommu/vt-d: Cache PCI ATS state and Invalidate Queue Depth (Bjorn Helgaas)
     Move MPS configuration check to pci_configure_device() (Bjorn Helgaas)
     Set MPS to match upstream bridge (Keith Busch)
     ARM/PCI: Set MPS before pci_bus_add_devices() (Murali Karicheri)
     Add pci_scan_root_bus_msi() (Lorenzo Pieralisi)
     ARM/PCI, designware, xilinx: Use pci_scan_root_bus_msi() (Lorenzo Pieralisi)
 
   Resource management
     Call pci_read_bridge_bases() from core instead of arch code (Lorenzo Pieralisi)
 
   PCI device hotplug
     pciehp: Remove unused interrupt events (Bjorn Helgaas)
     pciehp: Remove ignored MRL sensor interrupt events (Bjorn Helgaas)
     pciehp: Handle invalid data when reading from non-existent devices (Jarod Wilson)
     pciehp: Simplify pcie_poll_cmd() (Yijing Wang)
     Use "slot" and "pci_slot" for struct hotplug_slot and struct pci_slot (Yijing Wang)
     Protect pci_bus->slots with pci_slot_mutex, not pci_bus_sem (Yijing Wang)
     Hold pci_slot_mutex while searching bus->slots list (Yijing Wang)
 
   Power management
     Disable async suspend/resume for JMicron multi-function SATA/AHCI (Zhang Rui)
 
   Virtualization
     Add ACS quirks for Intel I219-LM/V (Alex Williamson)
     Restore ACS configuration as part of pci_restore_state() (Alexander Duyck)
 
   MSI
     Add pcibios_alloc_irq() and pcibios_free_irq() (Jiang Liu)
     x86: Implement pcibios_alloc_irq() and pcibios_free_irq() (Jiang Liu)
     Add helpers to manage pci_dev->irq and pci_dev->irq_managed (Jiang Liu)
     Free legacy IRQ when enabling MSI/MSI-X (Jiang Liu)
     ARM/PCI: Remove msi_controller from struct pci_sys_data (Lorenzo Pieralisi)
     Remove unused pcibios_msi_controller() hook (Lorenzo Pieralisi)
 
   Generic host bridge driver
     Remove dependency on ARM-specific struct hw_pci (Jayachandran C)
     Build setup-irq.o for arm64 (Jayachandran C)
     Add arm64 support (Jayachandran C)
 
   APM X-Gene host bridge driver
     Add APM X-Gene PCIe 64-bit prefetchable window (Duc Dang)
     Add support for a 64-bit prefetchable memory window (Duc Dang)
     Drop owner assignment from platform_driver (Krzysztof Kozlowski)
 
   Broadcom iProc host bridge driver
     Allow BCMA bus driver to be built as module (Hauke Mehrtens)
     Delete unnecessary checks before phy calls (Markus Elfring)
     Add arm64 support (Ray Jui)
 
   Synopsys DesignWare host bridge driver
     Don't complain missing *config* reg space if va_cfg0 is set (Murali Karicheri)
 
   TI DRA7xx host bridge driver
     Disable pm_runtime on get_sync failure (Kishon Vijay Abraham I)
     Add PM support (Kishon Vijay Abraham I)
     Clear MSE bit during suspend so clocks will idle (Kishon Vijay Abraham I)
     Add support to make GPIO drive PERST# line (Kishon Vijay Abraham I)
 
   Xilinx AXI host bridge driver
     Check for MSI interrupt flag before handling as INTx (Russell Joyce)
 
   Miscellaneous
     Fix Intersil/Techwell TW686[4589] AV capture class code (Krzysztof Hałasa)
     Use PCI_CLASS_SERIAL_USB instead of bare number (Bjorn Helgaas)
     Fix generic NCR 53c810 class code quirk (Bjorn Helgaas)
     Fix TI816X class code quirk (Bjorn Helgaas)
     Remove unused "pci_probe" flags (Bjorn Helgaas)
     Host bridge driver code simplifications (Fabio Estevam)
     Add dev_flags bit to access VPD through function 0 (Mark Rustad)
     Add VPD function 0 quirk for Intel Ethernet devices (Mark Rustad)
     Kill off set_irq_flags() usage (Rob Herring)
     Remove Intel Cherrytrail D3 delays (Srinidhi Kasagar)
     Clean up pci_find_capability() (Wei Yang)
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Merge tag 'pci-v4.3-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:
 "PCI changes for the v4.3 merge window:

  Enumeration:
   - Allocate ATS struct during enumeration (Bjorn Helgaas)
   - Embed ATS info directly into struct pci_dev (Bjorn Helgaas)
   - Reduce size of ATS structure elements (Bjorn Helgaas)
   - Stop caching ATS Invalidate Queue Depth (Bjorn Helgaas)
   - iommu/vt-d: Cache PCI ATS state and Invalidate Queue Depth (Bjorn Helgaas)
   - Move MPS configuration check to pci_configure_device() (Bjorn Helgaas)
   - Set MPS to match upstream bridge (Keith Busch)
   - ARM/PCI: Set MPS before pci_bus_add_devices() (Murali Karicheri)
   - Add pci_scan_root_bus_msi() (Lorenzo Pieralisi)
   - ARM/PCI, designware, xilinx: Use pci_scan_root_bus_msi() (Lorenzo Pieralisi)

  Resource management:
   - Call pci_read_bridge_bases() from core instead of arch code (Lorenzo Pieralisi)

  PCI device hotplug:
   - pciehp: Remove unused interrupt events (Bjorn Helgaas)
   - pciehp: Remove ignored MRL sensor interrupt events (Bjorn Helgaas)
   - pciehp: Handle invalid data when reading from non-existent devices (Jarod Wilson)
   - pciehp: Simplify pcie_poll_cmd() (Yijing Wang)
   - Use "slot" and "pci_slot" for struct hotplug_slot and struct pci_slot (Yijing Wang)
   - Protect pci_bus->slots with pci_slot_mutex, not pci_bus_sem (Yijing Wang)
   - Hold pci_slot_mutex while searching bus->slots list (Yijing Wang)

  Power management:
   - Disable async suspend/resume for JMicron multi-function SATA/AHCI (Zhang Rui)

  Virtualization:
   - Add ACS quirks for Intel I219-LM/V (Alex Williamson)
   - Restore ACS configuration as part of pci_restore_state() (Alexander Duyck)

  MSI:
   - Add pcibios_alloc_irq() and pcibios_free_irq() (Jiang Liu)
   - x86: Implement pcibios_alloc_irq() and pcibios_free_irq() (Jiang Liu)
   - Add helpers to manage pci_dev->irq and pci_dev->irq_managed (Jiang Liu)
   - Free legacy IRQ when enabling MSI/MSI-X (Jiang Liu)
   - ARM/PCI: Remove msi_controller from struct pci_sys_data (Lorenzo Pieralisi)
   - Remove unused pcibios_msi_controller() hook (Lorenzo Pieralisi)

  Generic host bridge driver:
   - Remove dependency on ARM-specific struct hw_pci (Jayachandran C)
   - Build setup-irq.o for arm64 (Jayachandran C)
   - Add arm64 support (Jayachandran C)

  APM X-Gene host bridge driver:
   - Add APM X-Gene PCIe 64-bit prefetchable window (Duc Dang)
   - Add support for a 64-bit prefetchable memory window (Duc Dang)
   - Drop owner assignment from platform_driver (Krzysztof Kozlowski)

  Broadcom iProc host bridge driver:
   - Allow BCMA bus driver to be built as module (Hauke Mehrtens)
   - Delete unnecessary checks before phy calls (Markus Elfring)
   - Add arm64 support (Ray Jui)

  Synopsys DesignWare host bridge driver:
   - Don't complain missing *config* reg space if va_cfg0 is set (Murali Karicheri)

  TI DRA7xx host bridge driver:
   - Disable pm_runtime on get_sync failure (Kishon Vijay Abraham I)
   - Add PM support (Kishon Vijay Abraham I)
   - Clear MSE bit during suspend so clocks will idle (Kishon Vijay Abraham I)
   - Add support to make GPIO drive PERST# line (Kishon Vijay Abraham I)

  Xilinx AXI host bridge driver:
   - Check for MSI interrupt flag before handling as INTx (Russell Joyce)

  Miscellaneous:
   - Fix Intersil/Techwell TW686[4589] AV capture class code (Krzysztof Hałasa)
   - Use PCI_CLASS_SERIAL_USB instead of bare number (Bjorn Helgaas)
   - Fix generic NCR 53c810 class code quirk (Bjorn Helgaas)
   - Fix TI816X class code quirk (Bjorn Helgaas)
   - Remove unused "pci_probe" flags (Bjorn Helgaas)
   - Host bridge driver code simplifications (Fabio Estevam)
   - Add dev_flags bit to access VPD through function 0 (Mark Rustad)
   - Add VPD function 0 quirk for Intel Ethernet devices (Mark Rustad)
   - Kill off set_irq_flags() usage (Rob Herring)
   - Remove Intel Cherrytrail D3 delays (Srinidhi Kasagar)
   - Clean up pci_find_capability() (Wei Yang)"

* tag 'pci-v4.3-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (72 commits)
  PCI: Disable async suspend/resume for JMicron multi-function SATA/AHCI
  PCI: Set MPS to match upstream bridge
  PCI: Move MPS configuration check to pci_configure_device()
  PCI: Drop references acquired by of_parse_phandle()
  PCI/MSI: Remove unused pcibios_msi_controller() hook
  ARM/PCI: Remove msi_controller from struct pci_sys_data
  ARM/PCI, designware, xilinx: Use pci_scan_root_bus_msi()
  PCI: Add pci_scan_root_bus_msi()
  ARM/PCI: Replace panic with WARN messages on failures
  PCI: generic: Add arm64 support
  PCI: Build setup-irq.o for arm64
  PCI: generic: Remove dependency on ARM-specific struct hw_pci
  PCI: imx6: Simplify a trivial if-return sequence
  PCI: spear: Use BUG_ON() instead of condition followed by BUG()
  PCI: dra7xx: Remove unneeded use of IS_ERR_VALUE()
  PCI: Remove pci_ats_enabled()
  PCI: Stop caching ATS Invalidate Queue Depth
  PCI: Move ATS declarations to linux/pci.h so they're all together
  PCI: Clean up ATS error handling
  PCI: Use pci_physfn() rather than looking up physfn by hand
  ...
2015-08-31 17:14:39 -07:00
Linus Torvalds edc837da4b Besides the changes in MAINTAINERS we have:
- optimizations and improvements to existing LED class drivers
 - improvements to the common LEDs DT documentation
 - modifications of kirkwood-* dts files, to be in sync with patches for
   leds-ns2 driver, that move LEDs mode mapping outside of the driver
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Merge tag 'leds_for_4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds

Pull LED updates from Jacek Anaszewski:
 "In this merge window we'd like to announce a change on the list of LED
  subsystem maintainers - Bryan Wu decided to step back and handed over
  the maintainership to me (Jacek Anaszewski), which entailed an update
  of LED subsystem git tree URL.

  Besides the changes in MAINTAINERS we have:

   - optimizations and improvements to existing LED class drivers

   - improvements to the common LEDs DT documentation

   - modifications of kirkwood-* dts files, to be in sync with patches
     for leds-ns2 driver, that move LEDs mode mapping outside of the
     driver"

* tag 'leds_for_4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
  leds: Export OF module alias information in missing drivers
  leds:lp55xx: use the private data instead of updating I2C device platform data
  leds: syscon: Correct check for syscon_node_to_regmap() errors
  leds: leds-fsg: Use devm_led_classdev_register
  MAINTAINERS: Change LED subsystem git tree URL
  leds/led-class: Add missing put_device()
  ARM: Kirkwood: add modes-map property to ns2-leds nodes
  leds: tlc591xx: Remove redundant I2C_FUNC_SMBUS_BYTE_DATA functionality check
  leds: leds-ns2: depends on MACH_ARMADA_370
  leds: leds-ns2: handle can_sleep GPIOs
  leds: leds-ns2: move LED modes mapping outside of the driver
  leds: lp8860: Constify reg_default tables
  leds: Drop owner assignment from i2c_driver
  leds: Allow compile test of LEDS_AAT1290 and LEDS_KTD2692 if !GPIOLIB
  leds: Allow compile test of GPIO consumers if !GPIOLIB
  DT: leds: Improve description of flash LEDs related properties
2015-08-31 17:08:05 -07:00
Linus Torvalds e5aeced6bc spi: Updates for v4.3
A few core tweaks this time together with the usual collection of driver
 specific updates and fixes plus a larger than average selection of new
 device support:
 
  - Fix DMA mapping of unaligned vmalloc() buffers.
  - Statistics tracking transfer volumes exposed via sysfs.
  - New drivers for Freescale MPC5125, Intel Sunrise Point, Mediatek SoCs,
    and Netlogic XLP SoCs.
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Merge tag 'spi-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "A few core tweaks this time together with the usual collection of
  driver specific updates and fixes plus a larger than average selection
  of new device support:

   - fix DMA mapping of unaligned vmalloc() buffers

   - statistics tracking transfer volumes exposed via sysfs

   - new drivers for Freescale MPC5125, Intel Sunrise Point, Mediatek
     SoCs, and Netlogic XLP SoCs"

* tag 'spi-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (66 commits)
  spi: sh-msiof: Fix FIFO size to 64 word from 256 word
  spi: fsl-(e)spi: Fix checking return value of devm_ioremap_resource
  spi: Add DT bindings documentation for Netlogic XLP SPI controller
  spi/xlp: SPI controller driver for Netlogic XLP SoCs
  spi: fsl-espi: add runtime PM
  spi: fsl-(e)spi: simplify cleanup code
  spi: fsl-(e)spi: migrate to using devm_ functions to simplify cleanup
  spi: mediatek: fix SPI_CMD_PAUSE_IE macro error
  spi: check bits_per_word in spi_setup
  spi: mediatek: replace *_time name
  spi: mediatek: add PM clk_prepare_enable fail flow
  spi: mediatek: replace int with u32, delete TAB and define MTK_SPI_PAUSE_INT_STATUS marco
  spi: mediatek: add linux/io.h include file
  spi/bcm63xx-hsspi: add support for dual spi read/write
  spi: dw: Allow interface drivers to limit data I/O to word sizes
  dt: snps,dw-apb-ssi: Document new I/O data register width property
  spi: Fall back to master maximum speed if no slave speed specified
  spi: mediatek: use BIT() to instead of SPI_CMD_*_OFFSET
  spi: medaitek: revise quirks compatibility style
  spi: mediatek: fix spi incorrect endian usage
  ...
2015-08-31 15:55:49 -07:00
Linus Torvalds cf9d615f7f regulator: Updates for v4.3
The biggest changes in the core this time around have been some
 refactorings that move us towards being able to drop the list of
 regulators maintained by the core and instead just use the driver model
 list maintained for the class devices for regulators which will make the
 code smaller and avoid some potential bugs.  Otherwise another fairly
 quiet release for the regulator API, highlights include:
 
  - A new API for setting voltages based on a minimum, target, maximum
    triplet.
  - Support for continuous voltage ranges rather than tables of explicit
    steps in the PWM regulator, requiring less explicit configuration.
  - New driver support for Dialog DA9215, Maxim 77843, Mediatek MT6311
    and Qualcomm RPM.
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Merge tag 'regulator-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "The biggest changes in the core this time around have been some
  refactorings that move us towards being able to drop the list of
  regulators maintained by the core and instead just use the driver
  model list maintained for the class devices for regulators which will
  make the code smaller and avoid some potential bugs.

  Otherwise another fairly quiet release for the regulator API,
  highlights include:

   - a new API for setting voltages based on a minimum, target, maximum
     triplet

   - support for continuous voltage ranges rather than tables of
     explicit steps in the PWM regulator, requiring less explicit
     configuration

   - new driver support for Dialog DA9215, Maxim 77843, Mediatek MT6311
     and Qualcomm RPM"

* tag 'regulator-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (70 commits)
  regulator: mt6311: fix platform_no_drv_owner.cocci warnings
  regulator: ltc3589: Remove unnecessary MODULE_ALIAS()
  regulator: ad5398: Remove unnecessary MODULE_ALIAS()
  regulator: pfuze100: Remove unnecessary MODULE_ALIAS()
  regulator: core: use debug level print in regulator_check_drms
  regulator: lp872x: handle error case
  regulator: lp872x: use the private data instead of updating I2C device platform data
  regulator: isl9305: Export OF module alias information
  regulators: max77693: register driver earlier to avoid deferred probe
  regulator: qcom_smd: Set n_voltages for pm8941_lnldo
  regulator: core: Use IS_ERR_OR_NULL()
  regulator: core: Define regulator_set_voltage_triplet()
  regulator: Regulator driver for the Qualcomm RPM
  regulator: pbias: Fix broken pbias disable functionality
  regulator: core: Spelling fix
  regulator: core: Use class device list for regulator_list in late init
  regulator: core: Move more deallocation into class unregister
  regulator: core: Reduce rdev locking region when releasing regulator
  Input: Remove the max77843 haptic driver
  Input: max77693: Add support for Maxim 77843
  ...
2015-08-31 15:49:19 -07:00
Linus Torvalds e2701603f7 There's been a fair amount going on in the docs tree this time around,
including:
 
  - Support for reproducible document builds, from Ben Hutchings and
    company.
 
  - The ability to automatically generate cross-reference links within a
    single DocBook book and embedded descriptions for large structures.
    From Danilo Cesar Lemes de Paula.
 
  - A new document on how to add a system call from David Drysdale.
 
  - Chameleon bus documentation from Johannes Thumshirn.
 
 ...plus the usual collection of improvements, typo fixes, and more.
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Merge tag 'docs-for-linus' of git://git.lwn.net/linux-2.6

Pull documentation updates from Jonathan Corbet:
 "There's been a fair amount going on in the docs tree this time around,
  including:

   - Support for reproducible document builds, from Ben Hutchings and
     company.

   - The ability to automatically generate cross-reference links within
     a single DocBook book and embedded descriptions for large
     structures.  From Danilo Cesar Lemes de Paula.

   - A new document on how to add a system call from David Drysdale.

   - Chameleon bus documentation from Johannes Thumshirn.

  ...plus the usual collection of improvements, typo fixes, and more"

* tag 'docs-for-linus' of git://git.lwn.net/linux-2.6: (39 commits)
  Documentation, add kernel-parameters.txt entry for dis_ucode_ldr
  Documentation/x86: Rename IRQSTACKSIZE to IRQ_STACK_SIZE
  Documentation/Intel-IOMMU.txt: Modify definition of DRHD
  docs: update HOWTO for 3.x -> 4.x versioning
  kernel-doc: ignore unneeded attribute information
  scripts/kernel-doc: Adding cross-reference links to html documentation.
  DocBook: Fix non-determinstic installation of duplicate man pages
  Documentation: minor typo fix in mailbox.txt
  Documentation: describe how to add a system call
  doc: Add more workqueue functions to the documentation
  ARM: keystone: add documentation for SoCs and EVMs
  scripts/kernel-doc Allow struct arguments documentation in struct body
  SubmittingPatches: remove stray quote character
  Revert "DocBook: Avoid building man pages repeatedly and inconsistently"
  Documentation: Minor changes to men-chameleon-bus.txt
  Doc: fix trivial typo in SubmittingPatches
  MAINTAINERS: Direct Documentation/DocBook/media properly
  Documentation: installed man pages don't need to be executable
  fix Evolution submenu name in email-clients.txt
  Documentation: Add MCB documentation
  ...
2015-08-31 15:40:05 -07:00
Linus Torvalds 22629b6d90 hwmon updates for v4.3 commit window
Notable changes:
 
 Added support for LTM4675, LTC3886, LTC2980, LTM2987, LTC2975,
 	LTC3887, LTC3882, MAX20751, ADM1293, and ADM1294 to PMBus drivers.
 Added support for IT8732F to it87 driver.
 Added support for AMD Carrizo to fam15h_power driver.
 Added support for various new attributes to nct7802 driver.
 Added support for F81866 and F71868 to f71882fg driver.
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Merge tag 'hwmon-for-linus-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:
 "Notable changes:

   - added support for LTM4675, LTC3886, LTC2980, LTM2987, LTC2975,
     LTC3887, LTC3882, MAX20751, ADM1293, and ADM1294 to PMBus drivers
   - added support for IT8732F to it87 driver
   - added support for AMD Carrizo to fam15h_power driver
   - added support for various new attributes to nct7802 driver
   - added support for F81866 and F71868 to f71882fg driver"

* tag 'hwmon-for-linus-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (45 commits)
  hwmon: (fam15h_power) Add ratio of Tsample to the PTSC period
  hwmon: (fam15h_power) Add documentation for new processors support
  hwmon: (fam15h_power) Update running_avg_capture bit field to 28
  hwmon: (fam15h_power) Rename fam15h_power_is_internal_node0 function
  hwmon: (fam15h_power) Add support for AMD Carrizo
  hwmon: (ltc2978) Add support for LTM4675
  hwmon: (ltc2978) Add polling for chips requiring it
  hwmon: (pmbus) Enable PEC if the controller supports it
  hwmon: (pmbus) Use BIT macro
  hwmon: (ltc2978) Add support for LTC3886
  hwmon: (ltc2978) Add support for LTC2980 and LTM2987
  hwmon: (ltc2978) Add missing chip IDs for LTC2978 and LTC3882
  hwmon: (ltc2978) Use correct ID mask to detect all chips
  hwmon: (ltc2978) Introduce helper functions for min and max values
  hwmon: (ltc2978) Introduce feature flags
  hwmon: (pmbus) Convert command register definitions to enum
  hwmon: (ltc2978) Add support for LTC2975
  hwmon: (ltc2978) Add support for LTC3887
  hwmon: (ltc2978) Add additional chip IDs for LTM4676 and LTM4676A
  hwmon: (ltc2978) Add support for LTC3882
  ...
2015-08-31 15:31:12 -07:00
Linus Torvalds c8192ba416 power supply and reset changes for the v4.3 series
* new reset driver for ZTE SoCs
  * add support for sama5d3 reset handling
  * overhaul of twl4030 charger driver
  * misc. fixes and cleanups
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Merge tag 'for-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset changes from Sebastian Reichel:
 - new reset driver for ZTE SoCs
 - add support for sama5d3 reset handling
 - overhaul of twl4030 charger driver
 - misc fixes and cleanups

* tag 'for-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (35 commits)
  bq2415x_charger: Allow to load and use driver even if notify device is not registered yet
  twl4030_charger: fix compile error when TWL4030_MADC not available.
  power: bq24190_charger: Fix charge type sysfs property
  power: Allow compile test of GPIO consumers if !GPIOLIB
  power: Export I2C module alias information in missing drivers
  twl4030_charger: Increase current carefully while watching voltage.
  twl4030_charger: add ac/mode to match usb/mode
  twl4030_charger: add software controlled linear charging mode.
  twl4030_charger: enable manual enable/disable of usb charging.
  twl4030_charger: allow max_current to be managed via sysfs.
  twl4030_charger: distinguish between USB current and 'AC' current
  twl4030_charger: allow fine control of charger current.
  twl4030_charger: split uA calculation into a function.
  twl4030_charger: trust phy to determine when USB power is available.
  twl4030_charger: correctly handle -EPROBE_DEFER from devm_usb_get_phy_by_node
  twl4030_charger: convert to module_platform_driver instead of ..._probe.
  twl4030_charger: use runtime_pm to keep usb phy active while charging.
  rx51-battery: Set name to rx51-battery
  MAINTAINERS: AVS is not maintained via power supply tree
  power: olpc_battery: clean up eeprom read function
  ...
2015-08-31 15:25:16 -07:00
Andrew Lunn a5597008db phy: fixed_phy: Add gpio to determine link up/down.
An SFP module may have a link up/down status pin which can be
connection to a GPIO line of the host. Add support for reading such an
GPIO in the fixed_phy driver.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-31 14:48:02 -07:00
Linus Torvalds 4ff12049d6 USB patches for 4.3-rc1
Here's the big USB and PHY patchset for 4.3-rc1.
 
 As usual, the majority of the changes are in the USB gadget portion of
 the tree, lots of little changes all over the place for bugs and new
 hardware.  Other than that, the normal mix of new hardware support and
 bugfixes.
 
 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 'usb-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB updates from Greg KH:
 "Here's the big USB and PHY patchset for 4.3-rc1.

  As usual, the majority of the changes are in the USB gadget portion of
  the tree, lots of little changes all over the place for bugs and new
  hardware.  Other than that, the normal mix of new hardware support and
  bugfixes.

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

* tag 'usb-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (261 commits)
  USB: qcserial: add HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module
  USB: ftdi_sio: Added custom PID for CustomWare products
  USB: usb_wwan: silence read errors on disconnect
  USB: option: silence interrupt errors
  USB: symbolserial: Correct transferred data size
  USB: symbolserial: Use usb_get_serial_port_data
  usb: misc: usbtest: format max packet size for iso transfer
  usb: host: ehci-sys: delete useless bus_to_hcd conversion
  Revert "usb: interface authorization: Declare authorized attribute"
  Revert "usb: interface authorization: Introduces the default interface authorization"
  Revert "usb: interface authorization: Control interface probing and claiming"
  Revert "usb: interface authorization: Introduces the USB interface authorization"
  Revert "usb: interface authorization: SysFS part of USB interface authorization"
  Revert "usb: interface authorization: Documentation part"
  Revert "usb: interface authorization: Use a flag for the default device authorization"
  usb: core: hub: Removed some warnings generated by checkpatch.pl
  USB: host: ohci-at91: merge loops in ohci_hcd_at91_drv_probe
  USB: host: ohci-at91: merge ohci_at91_of_init in ohci_hcd_at91_drv_probe
  USB: host: ohci-at91: depend on OF
  USB: host: ohci-at91: move at91_usbh_data definition in c file
  ...
2015-08-31 14:38:07 -07:00
Linus Torvalds c2078402e4 TTY/Serial driver patches for 4.3-rc1
Here is the big tty/serial driver update for 4.3-rc1.
 
 Not many major things, a number of driver updates and changes, and the
 8250 driver got split up a bit to make it easier to work with by moving
 some functions to a new file.  Full details are in the shortlog.
 
 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 'tty-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial driver updates from Greg KH:
 "Here is the big tty/serial driver update for 4.3-rc1.

  Not many major things, a number of driver updates and changes, and the
  8250 driver got split up a bit to make it easier to work with by
  moving some functions to a new file.  Full details are in the
  shortlog.

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

* tag 'tty-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (90 commits)
  serial: imx: save and restore context in the suspend path
  serial: imx: allow waking up on RTSD
  serial: imx: introduce serial_imx_enable_wakeup()
  serial: imx: remove unbalanced clk_prepare
  serial: 8250: move rx_running out of the bitfield
  tty: serial: 8250_omap: do not use RX DMA if pause is not supported
  serial:8250_dw: do not alter CTS and DCTS since AFE is enabled
  tty: serial: men_z135_uart.c: Don't initialize port->lock
  tty: serial: men_z135_uart.c: Fix race between IRQ and set_termios()
  serial: 8250: bind to ALi Fast Infrared Controller (ALI5123)
  serial: 8250: don't bind to SMSC IrCC IR port
  serial: mxs-auart: fix baud rate range
  serial: mxs-auart: keep the AUART unit in reset state when not in use
  serial: mxs-auart: use a function name to reflect what it really does
  serial: 8250_pci: fix mode after S3/S4 resume for F81504/508/512
  sc16is7xx: constify devtype
  sc16is7xx: support multiple devices
  sc16is7xx: save and use per-chip line number
  uart: pl011: Add support to ZTE ZX296702 uart
  uart: pl011: Improve LCRH register access decision
  ...
2015-08-31 14:28:07 -07:00
Philip Downey 87583ebb9f IGMP: Document igmp_link_local_mcast_reports
Document the addition of a new sysctl variable which controls the
generation of IGMP reports for link local multicast groups in the
224.0.0.X range.

IGMP reports for local multicast groups can now be optionally
inhibited by setting the value to zero e.g.:
echo 0 > /proc/sys/net/ipv4/igmp_link_local_mcast_reports

To retain backwards compatibility the previous behaviour is retained
by default on system boot or reverted by setting the value back to
non-zero.

Signed-off-by: Philip Downey <pdowney@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-31 12:30:37 -07:00
Heinz Mauelshagen f15f4d7200 dm raid: document RAID 4/5/6 discard support
For RAID 4/5/6 data integrity reasons 'discard_zeroes_data' must work
properly.

Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2015-08-31 15:05:31 -04:00
Guoqing Jiang 66099bb0ee md-cluster: fix deadlock issue on message lock
There is problem with previous communication mechanism, and we got below
deadlock scenario with cluster which has 3 nodes.

	Sender                	    Receiver        		Receiver

	token(EX)
       message(EX)
      writes message
   downconverts message(CR)
      requests ack(EX)
		                  get message(CR)            gets message(CR)
                		  reads message                reads message
		               requests EX on message    requests EX on message

To fix this problem, we do the following changes:

1. the sender downconverts MESSAGE to CW rather than CR.
2. and the receiver request PR lock not EX lock on message.

And in case we failed to down-convert EX to CW on message, it is better to
unlock message otherthan still hold the lock.

Reviewed-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Signed-off-by: Lidong Zhong <ldzhong@suse.com>
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: NeilBrown <neilb@suse.com>
2015-08-31 19:41:41 +02:00
Linus Torvalds 2f37d65a6a Staging driver patches for 4.3-rc1
Here is the big staging driver updates for 4.3-rc1.
 
 Lots of things all over the place, almost all of them trivial fixups and
 changes.  The usual IIO updates and new drivers and we have added the
 MOST driver subsystem which is getting cleaned up in the tree.  The
 ozwpan driver is finally being deleted as it is obviously abandoned and
 no one cares about it.
 
 Full details are in the shortlog, and all of these have been in
 linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver updates from Greg KH:
 "Here is the big staging driver updates for 4.3-rc1.

  Lots of things all over the place, almost all of them trivial fixups
  and changes.  The usual IIO updates and new drivers and we have added
  the MOST driver subsystem which is getting cleaned up in the tree.
  The ozwpan driver is finally being deleted as it is obviously
  abandoned and no one cares about it.

  Full details are in the shortlog, and all of these have been in
  linux-next with no reported issues"

* tag 'staging-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (912 commits)
  staging/lustre/o2iblnd: remove references to ib_reg_phsy_mr()
  staging: wilc1000: fix build warning with setup_timer()
  staging: wilc1000: remove DECLARE_WILC_BUFFER()
  staging: wilc1000: remove void function return statements that are not useful
  staging: wilc1000: coreconfigurator.c: fix kmalloc error check
  staging: wilc1000: coreconfigurator.c: use kmalloc instead of WILC_MALLOC
  staging: wilc1000: remove unused codes of gps8ConfigPacket
  staging: wilc1000: remove unnecessary void pointer cast
  staging: wilc1000: remove WILC_NEW and WILC_NEW_EX
  staging: wilc1000: use kmalloc instead of WILC_NEW
  staging: wilc1000: Process WARN, INFO options of debug levels from user
  staging: wilc1000: remove unneeded tstrWILC_MsgQueueAttrs typedef
  staging: wilc1000: delete wilc_osconfig.h
  staging: wilc1000: delete wilc_log.h
  staging: wilc1000: delete wilc_timer.h
  staging: wilc1000: remove WILC_TimerStart()
  staging: wilc1000: remove WILC_TimerCreate()
  staging: wilc1000: remove WILC_TimerDestroy()
  staging: wilc1000: remove WILC_TimerStop()
  staging: wilc1000: remove tstrWILC_TimerAttrs typedef
  ...
2015-08-31 09:24:06 -07:00
Linus Torvalds 1af115d675 Driver core patches for 4.3-rc1
Here is the new patches for the driver core / sysfs for 4.3-rc1.
 
 Very small number of changes here, all the details are in the shortlog,
 nothing major happening at all this kernel release, which is nice to
 see.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is the new patches for the driver core / sysfs for 4.3-rc1.

  Very small number of changes here, all the details are in the
  shortlog, nothing major happening at all this kernel release, which is
  nice to see"

* tag 'driver-core-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  bus: subsys: update return type of ->remove_dev() to void
  driver core: correct device's shutdown order
  driver core: fix docbook for device_private.device
  selftests: firmware: skip timeout checks for kernels without user mode helper
  kernel, cpu: Remove bogus __ref annotations
  cpu: Remove bogus __ref annotation of cpu_subsys_online()
  firmware: fix wrong memory deallocation in fw_add_devm_name()
  sysfs.txt: update show method notes about sprintf/snprintf/scnprintf usage
  devres: fix devres_get()
2015-08-31 08:47:40 -07:00
Linus Torvalds 1c00038c76 Char/Misc driver patches for 4.3-rc1
Here's the "big" char/misc driver update for 4.3-rc1.
 
 Not much really interesting here, just a number of little changes all
 over the place, and some nice consolidation of the nvmem drivers to a
 common framework.  As usual, the mei drivers stand out as the largest
 "churn" to handle new devices and features in their hardware.
 
 All have been in linux-next for a while with no issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver patches from Greg KH:
 "Here's the "big" char/misc driver update for 4.3-rc1.

  Not much really interesting here, just a number of little changes all
  over the place, and some nice consolidation of the nvmem drivers to a
  common framework.  As usual, the mei drivers stand out as the largest
  "churn" to handle new devices and features in their hardware.

  All have been in linux-next for a while with no issues"

* tag 'char-misc-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (136 commits)
  auxdisplay: ks0108: initialize local parport variable
  extcon: palmas: Fix build break due to devm_gpiod_get_optional API change
  extcon: palmas: Support GPIO based USB ID detection
  extcon: Fix signedness bugs about break error handling
  extcon: Drop owner assignment from i2c_driver
  extcon: arizona: Simplify pdata symantics for micd_dbtime
  extcon: arizona: Declare 3-pole jack if we detect open circuit on mic
  extcon: Add exception handling to prevent the NULL pointer access
  extcon: arizona: Ensure variables are set for headphone detection
  extcon: arizona: Use gpiod inteface to handle micd_pol_gpio gpio
  extcon: arizona: Add basic microphone detection DT/ACPI bindings
  extcon: arizona: Update to use the new device properties API
  extcon: palmas: Remove the mutually_exclusive array
  extcon: Remove optional print_state() function pointer of struct extcon_dev
  extcon: Remove duplicate header file in extcon.h
  extcon: max77843: Clear IRQ bits state before request IRQ
  toshiba laptop: replace ioremap_cache with ioremap
  misc: eeprom: max6875: clean up max6875_read()
  misc: eeprom: clean up eeprom_read()
  misc: eeprom: 93xx46: clean up eeprom_93xx46_bin_read/write
  ...
2015-08-31 08:34:13 -07:00
Linus Torvalds 44e98edcd1 A very small release for x86 and s390 KVM.
s390: timekeeping changes, cleanups and fixes
 
 x86: support for Hyper-V MSRs to report crashes, and a bunch of cleanups.
 
 One interesting feature that was planned for 4.3 (emulating the local
 APIC in kernel while keeping the IOAPIC and 8254 in userspace) had to
 be delayed because Intel complained about my reading of the manual.
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Merge tag 'kvm-4.3-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm updates from Paolo Bonzini:
 "A very small release for x86 and s390 KVM.

   - s390: timekeeping changes, cleanups and fixes

   - x86: support for Hyper-V MSRs to report crashes, and a bunch of
     cleanups.

  One interesting feature that was planned for 4.3 (emulating the local
  APIC in kernel while keeping the IOAPIC and 8254 in userspace) had to
  be delayed because Intel complained about my reading of the manual"

* tag 'kvm-4.3-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (42 commits)
  x86/kvm: Rename VMX's segment access rights defines
  KVM: x86/vPMU: Fix unnecessary signed extension for AMD PERFCTRn
  kvm: x86: Fix error handling in the function kvm_lapic_sync_from_vapic
  KVM: s390: Fix assumption that kvm_set_irq_routing is always run successfully
  KVM: VMX: drop ept misconfig check
  KVM: MMU: fully check zero bits for sptes
  KVM: MMU: introduce is_shadow_zero_bits_set()
  KVM: MMU: introduce the framework to check zero bits on sptes
  KVM: MMU: split reset_rsvds_bits_mask_ept
  KVM: MMU: split reset_rsvds_bits_mask
  KVM: MMU: introduce rsvd_bits_validate
  KVM: MMU: move FNAME(is_rsvd_bits_set) to mmu.c
  KVM: MMU: fix validation of mmio page fault
  KVM: MTRR: Use default type for non-MTRR-covered gfn before WARN_ON
  KVM: s390: host STP toleration for VMs
  KVM: x86: clean/fix memory barriers in irqchip_in_kernel
  KVM: document memory barriers for kvm->vcpus/kvm->online_vcpus
  KVM: x86: remove unnecessary memory barriers for shared MSRs
  KVM: move code related to KVM_SET_BOOT_CPU_ID to x86
  KVM: s390: log capability enablement and vm attribute changes
  ...
2015-08-31 08:27:44 -07:00
Leilk Liu 3d4fe18200 spi: Mediatek: Document devicetree bindings update for spi bus
This patch updates spi bindings, fixs clock usage description.

Signed-off-by: Leilk Liu <leilk.liu@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-08-31 15:26:50 +01:00
Mark Brown c5992f610f Merge remote-tracking branches 'spi/topic/ti-qspi', 'spi/topic/xcomm' and 'spi/topic/xlp' into spi-next 2015-08-31 14:45:45 +01:00
Mark Brown 2ca0a9d80c Merge remote-tracking branches 'spi/topic/mtk', 'spi/topic/pxa2xx', 'spi/topic/qspi', 'spi/topic/rockchip' and 'spi/topic/s3c24xx' into spi-next 2015-08-31 14:45:36 +01:00
Mark Brown 18c558ec74 Merge remote-tracking branches 'spi/topic/dw', 'spi/topic/fsl-espi', 'spi/topic/img-spfi' and 'spi/topic/mpc512x-psc' into spi-next 2015-08-31 14:45:32 +01:00
Mark Brown 9d05943e79 Merge remote-tracking branches 'spi/topic/atmel', 'spi/topic/bcm2835', 'spi/topic/bcm63xx-hsspi' and 'spi/topic/davinci' into spi-next 2015-08-31 14:45:29 +01:00
Mark Brown 0a5ff07757 Merge remote-tracking branches 'asoc/topic/ssm2518', 'asoc/topic/sta529', 'asoc/topic/sti' and 'asoc/topic/sti-sas' into asoc-next 2015-08-30 15:57:13 +01:00
Mark Brown 532161e6cc Merge remote-tracking branches 'asoc/topic/rcar', 'asoc/topic/reg-default', 'asoc/topic/rl6231', 'asoc/topic/rockchip' and 'asoc/topic/rt286' into asoc-next 2015-08-30 15:55:54 +01:00
Mark Brown 1d1ed2c23e Merge remote-tracking branches 'asoc/topic/max98090', 'asoc/topic/max98095', 'asoc/topic/max98357a', 'asoc/topic/max9877' and 'asoc/topic/max98925' into asoc-next 2015-08-30 15:54:57 +01:00
Mark Brown 246647ee3e Merge remote-tracking branches 'asoc/topic/fsl-spdif', 'asoc/topic/fsl-ssi', 'asoc/topic/gtm601', 'asoc/topic/ics43432' and 'asoc/topic/ids' into asoc-next 2015-08-30 15:54:15 +01:00
Mark Brown 7c0031360b Merge remote-tracking branches 'asoc/topic/davinci', 'asoc/topic/davinci-vcif', 'asoc/topic/doc' and 'asoc/topic/dpcm' into asoc-next 2015-08-30 15:53:39 +01:00
Mark Brown 399962239c Merge remote-tracking branches 'asoc/topic/cs42l56', 'asoc/topic/cs42l73', 'asoc/topic/cs4349' and 'asoc/topic/da732x' into asoc-next 2015-08-30 15:53:22 +01:00
Mark Brown 48997b9c03 Merge remote-tracking branches 'asoc/topic/au1x', 'asoc/topic/bcm2835', 'asoc/topic/blackfin' and 'asoc/topic/card' into asoc-next 2015-08-30 15:52:41 +01:00
Mark Brown aaa9b649d0 Merge remote-tracking branches 'regulator/topic/qcom-smd', 'regulator/topic/qcom-spmi', 'regulator/topic/rk808', 'regulator/topic/stub' and 'regulator/topic/tol' into regulator-next 2015-08-30 14:40:11 +01:00
Mark Brown 3e683126f4 Merge remote-tracking branches 'regulator/topic/mt6311', 'regulator/topic/ocp', 'regulator/topic/owner', 'regulator/topic/pfuze100' and 'regulator/topic/pwm' into regulator-next 2015-08-30 14:39:48 +01:00
Mark Brown 176175b613 Merge remote-tracking branches 'regulator/topic/lp872x', 'regulator/topic/ltc3589', 'regulator/topic/max77693' and 'regulator/topic/max8973' into regulator-next 2015-08-30 14:39:34 +01:00
Mark Brown 11f2482366 Merge remote-tracking branches 'regulator/topic/da9210', 'regulator/topic/da9211', 'regulator/topic/fan53555', 'regulator/topic/isl9305' and 'regulator/topic/list' into regulator-next 2015-08-30 14:39:14 +01:00
Mike Marciniszyn 7724105686 IB/hfi1: add driver files
Signed-off-by: Andrew Friedley <andrew.friedley@intel.com>
Signed-off-by: Arthur Kepner <arthur.kepner@intel.com>
Signed-off-by: Brendan Cunningham <brendan.cunningham@intel.com>
Signed-off-by: Brian Welty <brian.welty@intel.com>
Signed-off-by: Caz Yokoyama <caz.yokoyama@intel.com>
Signed-off-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Easwar Hariharan <easwar.hariharan@intel.com>
Signed-off-by: Harish Chegondi <harish.chegondi@intel.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Jim Snow <jim.m.snow@intel.com>
Signed-off-by: John Gregor <john.a.gregor@intel.com>
Signed-off-by: Jubin John <jubin.john@intel.com>
Signed-off-by: Kaike Wan <kaike.wan@intel.com>
Signed-off-by: Kevin Pine <kevin.pine@intel.com>
Signed-off-by: Kyle Liddell <kyle.liddell@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Mitko Haralanov <mitko.haralanov@intel.com>
Signed-off-by: Ravi Krishnaswamy <ravi.krishnaswamy@intel.com>
Signed-off-by: Sadanand Warrier <sadanand.warrier@intel.com>
Signed-off-by: Sanath Kumar <sanath.s.kumar@intel.com>
Signed-off-by: Sudeep Dutt <sudeep.dutt@intel.com>
Signed-off-by: Vlad Danushevsky <vladimir.danusevsky@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2015-08-28 22:59:36 -04:00
Aaron Skomra 72b236d602 HID: wacom: Add support for Express Key Remote.
This device is pad (buttons) only, there is no stylus or touch. Up to
five remotes can pair with the device's associated USB dongle.

Signed-off-by: Aaron Skomra <aaron.skomra@wacom.com>
Reviewed-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2015-08-28 20:43:20 +02:00
Jonathan Corbet 628536ea06 ASoC: Clean up docbook warnings
A number of functions and structures in the sound subsystem had incomplete
and/or obsolete DocBook comments, leading to warnings when the docs were
built.  Correct those comments so that we can enjoy our audio in the
absence of warning noise.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-08-28 19:07:16 +01:00
Kamlakant Patel bf96283734 spi: Add DT bindings documentation for Netlogic XLP SPI controller
Add DT bindings documentation for SPI controller driver used by
Netlogic XLP MIPS64 SoCs.

Signed-off-by: Kamlakant Patel <kamlakant.patel@broadcom.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-08-28 18:22:20 +01:00
Prarit Bhargava ce14c58313 Documentation, add kernel-parameters.txt entry for dis_ucode_ldr
dis_ucode_ldr was introduced in 65cef13 ("x86, microcode: Add a disable
chicken bit") and will disable microcode loading on x86.  This kernel
parameter is buried in the code and should be added to the Documentation.

Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-08-28 14:10:13 +02:00
Vincent Donnefort f7fafd083c leds: leds-ns2: move LED modes mapping outside of the driver
On the board n090401 (Seagate NAS 4-Bay), the LED mode mapping (GPIO
values to LED mode) is different from the one used on other boards
supported by the leds-ns2 driver.

With this patch the hardcoded mapping is removed from leds-ns2. Now,
it must be defined either in the platform data (if an old-fashion board
setup file is used) or in the DT node. In order to allow the later, this
patch also introduces a modes-map property for the leds-ns2 DT binding.

Signed-off-by: Vincent Donnefort <vdonnefort@gmail.com>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
2015-08-28 14:06:06 +02:00
Jacek Anaszewski aa14318aa0 DT: leds: Improve description of flash LEDs related properties
1. Since max-microamp property has had no users so far, then rename
   it to more descriptive led-max-microamp.
2. Since flash-timeout-us property has had no users so far, then rename
   it to more accurate flash-max-timeout-us.
3. Describe led-max-microamp property as mandatory for specific board
   configurations.
4. Make flash-max-microamp and flash-max-timeout-us properties mandatory
   for devices with configurable flash current and flash timeout settings
   respectively.

Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: devicetree@vger.kernel.org
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
2015-08-28 14:05:55 +02:00
Luis R. Rodriguez 2baa891e42 x86/mm/mtrr: Remove kernel internal MTRR interfaces: unexport mtrr_add() and mtrr_del()
The effort to replace mtrr_add() with architecture agnostic
arch_phys_wc_add() is complete, this will ensure write-combining
implementations (PAT on x86) is taken advantage instead of using
MTRR. With the effort done now, hide direct MTRR access for
drivers.

The legacy user-space /proc/mtrr ABI is not affected.

Update x86 documentation on MTRR to reflect the completion of
the phasing out of direct access to MTRR, also add a note on
platform firmware code use of MTRRs based on the obituary
discussion of MTRRs on Linux [0].

  [0] http://lkml.kernel.org/r/1438991330.3109.196.camel@hp.com

Signed-off-by: Luis R. Rodriguez <mcgrof@suse.com>
Cc: <syrjala@sci.fi>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Andy Walls <awalls@md.metrocast.net>
Cc: Antonino Daplas <adaplas@gmail.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Davidlohr Bueso <dbueso@suse.de>
Cc: Doug Ledford <dledford@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Juergen Gross <jgross@suse.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Suresh Siddha <sbsiddha@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Toshi Kani <toshi.kani@hp.com>
Cc: Ville Syrjälä <syrjala@sci.fi>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: airlied@linux.ie
Cc: benh@kernel.crashing.org
Cc: bhelgaas@google.com
Cc: dan.j.williams@intel.com
Cc: konrad.wilk@oracle.com
Cc: linux-fbdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-media@vger.kernel.org
Cc: mst@redhat.com
Cc: netdev@vger.kernel.org
Cc: vinod.koul@intel.com
Cc: xen-devel@lists.xensource.com
Link: http://lkml.kernel.org/r/1440443613-13696-12-git-send-email-mcgrof@do-not-panic.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-08-28 10:09:28 +02:00
David Howells 3f1d44ae64 Documentation/Changes: Now need OpenSSL devel packages for module signing
The module signing script (sign-file) used to be a wrapper around the
openssl program.  It has now been replaced by a C program that uses the
crypto library from the OpenSSL package meaning that the OpenSSL devel
packages are necessary to provide the devel library link and the header
files.

This would be openssl-devel on Fedora and libssl-dev on Debian.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: James Morris <james.l.morris@oracle.com>
2015-08-28 08:00:30 +10:00
Mark Brown 2002e90412 Merge branch 'topic/ics43432' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-gtm601 2015-08-27 20:30:46 +01:00