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Commit Graph

24307 Commits

Author SHA1 Message Date
Linus Torvalds
021f163d69 sound updates for 4.6-rc1
After a heavy storm by syzkaller in 4.5 cycle, we have relatively few
 changes in the core at this time while a lot of changes are found in
 the driver side, unsurprisingly.  Below are some highlights:
 
 ALSA core:
 - A few more hardening in ALSA timer codes
 - An extension of sequencer API for advertising the card / pid
 - Small fixes in compress-offload and jack layers
 
 HD-audio:
 - Dynamic PCM assignment in HDMI/DP codec; preparation for upcoming
   DP-MST support
 - Lots of code refactoring for sharing with ASoC SKL driver
 - Regression fixes for Intel HDMI/DP
 - Fixups for CX20724 codec, Lenovo AiO
 
 USB-audio:
 - Add quirk_alias option to make quirk debugging easier
 - Fixes for possible Oops by malformed firmware
 
 Firewire:
 - Add support for FW-1804 in tascam driver
 - Improvements / changes in card registration, multi stream handling,
   etc for DICE
 - Lots of code refactoring
 
 ASoC:
 - Enhancements of still ongoing topology API
 - Lots of commits for Intel Skylake support including HDMI support
 - A few Intel Atom driver updates for recent devices
 - Lots of improvements to the Renesas drivers
 - Capture support for Qualcomm drivers
 - Support for TI DaVinci DRA7xxx devices
 - New machine drivers for Freescale systems with Cirrus CODECs,
   Mediatek systems with RT5650 CODECs
 - New CPU drivers for Allwinner S/PDIF controllers
 - New CODEC drivers for Maxim MAX9867 and MAX98926 and Realtek RT5514
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Merge tag 'sound-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "After a heavy storm by syzkaller in 4.5 cycle, we have relatively few
  changes in the core at this time while a lot of changes are found in
  the driver side, unsurprisingly.  Below are some highlights:

  ALSA core:
   - A few more hardening in ALSA timer codes
   - An extension of sequencer API for advertising the card / pid
   - Small fixes in compress-offload and jack layers

  HD-audio:
   - Dynamic PCM assignment in HDMI/DP codec; preparation for upcoming
     DP-MST support
   - Lots of code refactoring for sharing with ASoC SKL driver
   - Regression fixes for Intel HDMI/DP
   - Fixups for CX20724 codec, Lenovo AiO

  USB-audio:
   - Add quirk_alias option to make quirk debugging easier
   - Fixes for possible Oops by malformed firmware

  Firewire:
   - Add support for FW-1804 in tascam driver
   - Improvements / changes in card registration, multi stream handling,
     etc for DICE
   - Lots of code refactoring

  ASoC:
   - Enhancements of still ongoing topology API
   - Lots of commits for Intel Skylake support including HDMI support
   - A few Intel Atom driver updates for recent devices
   - Lots of improvements to the Renesas drivers
   - Capture support for Qualcomm drivers
   - Support for TI DaVinci DRA7xxx devices
   - New machine drivers for Freescale systems with Cirrus CODECs,
     Mediatek systems with RT5650 CODECs
   - New CPU drivers for Allwinner S/PDIF controllers
   - New CODEC drivers for Maxim MAX9867 and MAX98926 and Realtek RT5514"

* tag 'sound-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (291 commits)
  ALSA: hda - Fix mutex deadlock at HDMI/DP hotplug
  ALSA: ctl: change return value in compatibility layer so that it's the same value in core implementation
  ALSA: mixart: silence an uninitialized variable warning
  ALSA: usb-audio: Add sanity checks for endpoint accesses
  ALSA: usb-audio: Minor code cleanup in create_fixed_stream_quirk()
  ALSA: usb-audio: Fix NULL dereference in create_fixed_stream_quirk()
  ALSA: hda - Limit i915 HDMI binding only for HSW and later
  ALSA: hda - Fix unconditional GPIO toggle via automute
  ALSA: mixart: silence unitialized variable warnings
  ALSA: hda - Fixes double fault in nvhdmi_chmap_cea_alloc_validate_get_type
  ALSA: intel8x0: Add clock quirk entry for AD1981B on IBM ThinkPad X41.
  ALSA: hda - Add new GPU codec ID 0x10de0082 to snd-hda
  ASoC: rsnd: add simplified module explanation
  ASoC: hdac_hdmi: Add broxton device ID
  ASoC: Intel: Bxtn: Add Broxton PCI ID
  ASoC: Intel: Skylake: Move Skylake dsp ops & loader ops
  ASoC: Intel: add dmabuffer to common sst_dsp
  ASoC: Intel: Skylake: Unstatify skl_dsp_enable_core
  ASoC: Intel: Skylake: Fix whitepsace issues
  ASoC: Intel: Skylake: Move module id defines
  ...
2016-03-18 10:05:46 -07:00
Linus Torvalds
9dffdb38d8 Staging driver patches for 4.6-rc1
Here is the big staging driver pull request for 4.6-rc1.
 
 Lots of little things here, over 1600 patches or so.  Notible is all of
 the good Lustre work happening, those developers have finally woken up
 and are cleaning up their code greatly.  The Outreachy intern
 application process is also happening, which brought in another 400 or
 so patches.  Full details are in the very long shortlog.
 
 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-4.6-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 pull request for 4.6-rc1.

  Lots of little things here, over 1600 patches or so.  Notable is all
  of the good Lustre work happening, those developers have finally woken
  up and are cleaning up their code greatly.  The Outreachy intern
  application process is also happening, which brought in another 400 or
  so patches.  Full details are in the very long shortlog.

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

* tag 'staging-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (1673 commits)
  staging: lustre: fix aligments in lnet selftest
  staging: lustre: report minimum of two buffers for LNet selftest load test
  staging: lustre: test for proper errno code in lstcon_rpc_trans_abort
  staging: lustre: filter remaining extra spacing for lnet selftest
  staging: lustre: remove extra spacing when setting variable for lnet selftest
  staging: lustre: remove extra spacing of variable declartions for lnet selftest
  staging: lustre: fix spacing issues checkpatch reported in lnet selftest
  staging: lustre: remove returns in void function for lnet selftest
  staging: lustre: fix bogus lst errors for lnet selftest
  staging: netlogic: Replacing pr_err with dev_err after the call to devm_kzalloc
  staging: mt29f_spinand: Replacing pr_info with dev_info after the call to devm_kzalloc
  staging: android: ion: fix up file mode
  staging: ion: debugfs invalid gfp mask
  staging: rts5208: Replace pci_enable_device with pcim_enable_device
  Staging: ieee80211: Place constant on right side of the test.
  staging: speakup: Replace del_timer with del_timer_sync
  staging: lowmemorykiller: fix 2 checks that checkpatch complained
  staging: mt29f_spinand: Drop void pointer cast
  staging: rdma: hfi1: file_ops: Replace ALIGN with PAGE_ALIGN
  staging: rdma: hfi1: driver: Replace IS_ALIGNED with PAGE_ALIGNED
  ...
2016-03-17 22:13:41 -07:00
Linus Torvalds
10fdfee7f7 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
 "The most notable item is addition of support for Synaptics RMI4
  protocol which is native protocol for all current Synaptics devices
  (touchscreens, touchpads).  In later releases we'll switch devices
  using HID and PS/2 protocol emulation to RMI4.

  You will also get:
   - BYD PS/2 touchpad protocol support for psmouse
   - MELFAS MIP4 Touchscreen driver
   - rotary encoder was moved away from legacy platform data and to
     generic device properties API, devm_* API, and can now handle
     encoders using more than 2 GPIOs
   - Cypress touchpad driver was switched to devm_* API and device
     properties
   - other assorted driver fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (40 commits)
  ARM: pxa/raumfeld: use PROPERTY_ENTRY_INTEGER to define props
  Input: synaptics-rmi4 - using logical instead of bitwise AND
  Input: powermate - fix oops with malicious USB descriptors
  Input: snvs_pwrkey - fix returned value check of syscon_regmap_lookup_by_phandle()
  MAINTAINERS: add devicetree bindings to Input Drivers section
  Input: synaptics-rmi4 - add device tree support to the SPI transport driver
  Input: synaptics-rmi4 - add SPI transport driver
  Input: synaptics-rmi4 - add support for F30
  Input: synaptics-rmi4 - add support for F12
  Input: synaptics-rmi4 - add device tree support for 2d sensors and F11
  Input: synaptics-rmi4 - add support for 2D sensors and F11
  Input: synaptics-rmi4 - add device tree support for RMI4 I2C devices
  Input: synaptics-rmi4 - add I2C transport driver
  Input: synaptics-rmi4 - add support for Synaptics RMI4 devices
  Input: ad7879 - add device tree support
  Input: ad7879 - fix default x/y axis assignment
  Input: ad7879 - move header to platform_data directory
  Input: ts4800 - add hardware dependency
  Input: cyapa - fix for losing events during device power transitions
  Input: sh_keysc - remove dependency on SUPERH
  ...
2016-03-17 21:51:52 -07:00
Linus Torvalds
1a46712aa9 This is the bulk of GPIO changes for kernel v4.6:
Core changes:
 
 - The gpio_chip is now a *real device*. Until now the gpio chips
   were just piggybacking the parent device or (gasp) floating in
   space outside of the device model. We now finally make GPIO chips
   devices. The gpio_chip will create a gpio_device which contains
   a struct device, and this gpio_device struct is kept private.
   Anything that needs to be kept private from the rest of the kernel
   will gradually be moved over to the gpio_device.
 
 - As a result of making the gpio_device a real device, we have added
   resource management, so devm_gpiochip_add_data() will cut down on
   overhead and reduce code lines. A huge slew of patches convert
   almost all drivers in the subsystem to use this.
 
 - Building on making the GPIO a real device, we add the first step
   of a new userspace ABI: the GPIO character device. We take small
   steps here, so we first add a pure *information* ABI and the tool
   "lsgpio" that will list all GPIO devices on the system and all
   lines on these devices. We can now discover GPIOs properly from
   userspace. We still have not come up with a way to actually *use*
   GPIOs from userspace.
 
 - To encourage people to use the character device for the future,
   we have it always-enabled when using GPIO. The old sysfs ABI is
   still opt-in (and can be used in parallel), but is marked as
   deprecated. We will keep it around for the foreseeable future,
   but it will not be extended to cover ever more use cases.
 
 Cleanup:
 
 - Bjorn Helgaas removed a whole slew of per-architecture <asm/gpio.h>
   includes. This dates back to when GPIO was an opt-in feature and
   no shared library even existed: just a header file with proper
   prototypes was provided and all semantics were up to the arch to
   implement. These patches make the GPIO chip even more a proper
   device and cleans out leftovers of the old in-kernel API here
   and there. Still some cruft is left but it's very little now.
 
 - There is still some clamping of return values for .get() going
   on, but we now return sane values in the vast majority of drivers
   and the errorpath is sanitized. Some patches for powerpc, blackfin
   and unicore still drop in.
 
 - We continue to switch the ARM, MIPS, blackfin, m68k local GPIO
   implementations to use gpiochip_add_data() and cut down on code
   lines.
 
 - MPC8xxx is converted to use the generic GPIO helpers.
 
 - ATH79 is converted to use the generic GPIO helpers.
 
 New drivers:
 
 - WinSystems WS16C48
 
 - Acces 104-DIO-48E
 
 - F81866 (a F7188x variant)
 
 - Qoric (a MPC8xxx variant)
 
 - TS-4800
 
 - SPI serializers (pisosr): simple 74xx shift registers connected
   to SPI to obtain a dirt-cheap output-only GPIO expander.
 
 - Texas Instruments TPIC2810
 
 - Texas Instruments TPS65218
 
 - Texas Instruments TPS65912
 
 - X-Gene (ARM64) standby GPIO controller
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Merge tag 'gpio-v4.6-1' 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 kernel v4.6.  There is quite a
  lot of interesting stuff going on.

  The patches to other subsystems and arch-wide are ACKed as far as
  possible, though I consider things like per-arch <asm/gpio.h> as
  essentially a part of the GPIO subsystem so it should not be needed.

  Core changes:

   - The gpio_chip is now a *real device*.  Until now the gpio chips
     were just piggybacking the parent device or (gasp) floating in
     space outside of the device model.

     We now finally make GPIO chips devices.  The gpio_chip will create
     a gpio_device which contains a struct device, and this gpio_device
     struct is kept private.  Anything that needs to be kept private
     from the rest of the kernel will gradually be moved over to the
     gpio_device.

   - As a result of making the gpio_device a real device, we have added
     resource management, so devm_gpiochip_add_data() will cut down on
     overhead and reduce code lines.  A huge slew of patches convert
     almost all drivers in the subsystem to use this.

   - Building on making the GPIO a real device, we add the first step of
     a new userspace ABI: the GPIO character device.  We take small
     steps here, so we first add a pure *information* ABI and the tool
     "lsgpio" that will list all GPIO devices on the system and all
     lines on these devices.

     We can now discover GPIOs properly from userspace.  We still have
     not come up with a way to actually *use* GPIOs from userspace.

   - To encourage people to use the character device for the future, we
     have it always-enabled when using GPIO.  The old sysfs ABI is still
     opt-in (and can be used in parallel), but is marked as deprecated.

     We will keep it around for the foreseeable future, but it will not
     be extended to cover ever more use cases.

  Cleanup:

   - Bjorn Helgaas removed a whole slew of per-architecture <asm/gpio.h>
     includes.

     This dates back to when GPIO was an opt-in feature and no shared
     library even existed: just a header file with proper prototypes was
     provided and all semantics were up to the arch to implement.  These
     patches make the GPIO chip even more a proper device and cleans out
     leftovers of the old in-kernel API here and there.

     Still some cruft is left but it's very little now.

   - There is still some clamping of return values for .get() going on,
     but we now return sane values in the vast majority of drivers and
     the errorpath is sanitized.  Some patches for powerpc, blackfin and
     unicore still drop in.

   - We continue to switch the ARM, MIPS, blackfin, m68k local GPIO
     implementations to use gpiochip_add_data() and cut down on code
     lines.

   - MPC8xxx is converted to use the generic GPIO helpers.

   - ATH79 is converted to use the generic GPIO helpers.

  New drivers:

   - WinSystems WS16C48

   - Acces 104-DIO-48E

   - F81866 (a F7188x variant)

   - Qoric (a MPC8xxx variant)

   - TS-4800

   - SPI serializers (pisosr): simple 74xx shift registers connected to
     SPI to obtain a dirt-cheap output-only GPIO expander.

   - Texas Instruments TPIC2810

   - Texas Instruments TPS65218

   - Texas Instruments TPS65912

   - X-Gene (ARM64) standby GPIO controller"

* tag 'gpio-v4.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (194 commits)
  Revert "Share upstreaming patches"
  gpio: mcp23s08: Fix clearing of interrupt.
  gpiolib: Fix comment referring to gpio_*() in gpiod_*()
  gpio: pca953x: Fix pca953x_gpio_set_multiple() on 64-bit
  gpio: xgene: Fix kconfig for standby GIPO contoller
  gpio: Add generic serializer DT binding
  gpio: uapi: use 0xB4 as ioctl() major
  gpio: tps65912: fix bad merge
  Revert "gpio: lp3943: Drop pin_used and lp3943_gpio_request/lp3943_gpio_free"
  gpio: omap: drop dev field from gpio_bank structure
  gpio: mpc8xxx: Slightly update the code for better readability
  gpio: mpc8xxx: Remove *read_reg and *write_reg from struct mpc8xxx_gpio_chip
  gpio: mpc8xxx: Fixup setting gpio direction output
  gpio: mcp23s08: Add support for mcp23s18
  dt-bindings: gpio: altera: Fix altr,interrupt-type property
  gpio: add driver for MEN 16Z127 GPIO controller
  gpio: lp3943: Drop pin_used and lp3943_gpio_request/lp3943_gpio_free
  gpio: timberdale: Switch to devm_ioremap_resource()
  gpio: ts4800: Add IMX51 dependency
  gpiolib: rewrite gpiodev_add_to_list
  ...
2016-03-17 21:05:32 -07:00
Linus Torvalds
588ab3f9af arm64 updates for 4.6:
- Initial page table creation reworked to avoid breaking large block
   mappings (huge pages) into smaller ones. The ARM architecture requires
   break-before-make in such cases to avoid TLB conflicts but that's not
   always possible on live page tables
 
 - Kernel virtual memory layout: the kernel image is no longer linked to
   the bottom of the linear mapping (PAGE_OFFSET) but at the bottom of
   the vmalloc space, allowing the kernel to be loaded (nearly) anywhere
   in physical RAM
 
 - Kernel ASLR: position independent kernel Image and modules being
   randomly mapped in the vmalloc space with the randomness is provided
   by UEFI (efi_get_random_bytes() patches merged via the arm64 tree,
   acked by Matt Fleming)
 
 - Implement relative exception tables for arm64, required by KASLR
   (initial code for ARCH_HAS_RELATIVE_EXTABLE added to lib/extable.c but
   actual x86 conversion to deferred to 4.7 because of the merge
   dependencies)
 
 - Support for the User Access Override feature of ARMv8.2: this allows
   uaccess functions (get_user etc.) to be implemented using LDTR/STTR
   instructions. Such instructions, when run by the kernel, perform
   unprivileged accesses adding an extra level of protection. The
   set_fs() macro is used to "upgrade" such instruction to privileged
   accesses via the UAO bit
 
 - Half-precision floating point support (part of ARMv8.2)
 
 - Optimisations for CPUs with or without a hardware prefetcher (using
   run-time code patching)
 
 - copy_page performance improvement to deal with 128 bytes at a time
 
 - Sanity checks on the CPU capabilities (via CPUID) to prevent
   incompatible secondary CPUs from being brought up (e.g. weird
   big.LITTLE configurations)
 
 - valid_user_regs() reworked for better sanity check of the sigcontext
   information (restored pstate information)
 
 - ACPI parking protocol implementation
 
 - CONFIG_DEBUG_RODATA enabled by default
 
 - VDSO code marked as read-only
 
 - DEBUG_PAGEALLOC support
 
 - ARCH_HAS_UBSAN_SANITIZE_ALL enabled
 
 - Erratum workaround Cavium ThunderX SoC
 
 - set_pte_at() fix for PROT_NONE mappings
 
 - Code clean-ups
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 updates from Catalin Marinas:
 "Here are the main arm64 updates for 4.6.  There are some relatively
  intrusive changes to support KASLR, the reworking of the kernel
  virtual memory layout and initial page table creation.

  Summary:

   - Initial page table creation reworked to avoid breaking large block
     mappings (huge pages) into smaller ones.  The ARM architecture
     requires break-before-make in such cases to avoid TLB conflicts but
     that's not always possible on live page tables

   - Kernel virtual memory layout: the kernel image is no longer linked
     to the bottom of the linear mapping (PAGE_OFFSET) but at the bottom
     of the vmalloc space, allowing the kernel to be loaded (nearly)
     anywhere in physical RAM

   - Kernel ASLR: position independent kernel Image and modules being
     randomly mapped in the vmalloc space with the randomness is
     provided by UEFI (efi_get_random_bytes() patches merged via the
     arm64 tree, acked by Matt Fleming)

   - Implement relative exception tables for arm64, required by KASLR
     (initial code for ARCH_HAS_RELATIVE_EXTABLE added to lib/extable.c
     but actual x86 conversion to deferred to 4.7 because of the merge
     dependencies)

   - Support for the User Access Override feature of ARMv8.2: this
     allows uaccess functions (get_user etc.) to be implemented using
     LDTR/STTR instructions.  Such instructions, when run by the kernel,
     perform unprivileged accesses adding an extra level of protection.
     The set_fs() macro is used to "upgrade" such instruction to
     privileged accesses via the UAO bit

   - Half-precision floating point support (part of ARMv8.2)

   - Optimisations for CPUs with or without a hardware prefetcher (using
     run-time code patching)

   - copy_page performance improvement to deal with 128 bytes at a time

   - Sanity checks on the CPU capabilities (via CPUID) to prevent
     incompatible secondary CPUs from being brought up (e.g.  weird
     big.LITTLE configurations)

   - valid_user_regs() reworked for better sanity check of the
     sigcontext information (restored pstate information)

   - ACPI parking protocol implementation

   - CONFIG_DEBUG_RODATA enabled by default

   - VDSO code marked as read-only

   - DEBUG_PAGEALLOC support

   - ARCH_HAS_UBSAN_SANITIZE_ALL enabled

   - Erratum workaround Cavium ThunderX SoC

   - set_pte_at() fix for PROT_NONE mappings

   - Code clean-ups"

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (99 commits)
  arm64: kasan: Fix zero shadow mapping overriding kernel image shadow
  arm64: kasan: Use actual memory node when populating the kernel image shadow
  arm64: Update PTE_RDONLY in set_pte_at() for PROT_NONE permission
  arm64: Fix misspellings in comments.
  arm64: efi: add missing frame pointer assignment
  arm64: make mrs_s prefixing implicit in read_cpuid
  arm64: enable CONFIG_DEBUG_RODATA by default
  arm64: Rework valid_user_regs
  arm64: mm: check at build time that PAGE_OFFSET divides the VA space evenly
  arm64: KVM: Move kvm_call_hyp back to its original localtion
  arm64: mm: treat memstart_addr as a signed quantity
  arm64: mm: list kernel sections in order
  arm64: lse: deal with clobbered IP registers after branch via PLT
  arm64: mm: dump: Use VA_START directly instead of private LOWEST_ADDR
  arm64: kconfig: add submenu for 8.2 architectural features
  arm64: kernel: acpi: fix ioremap in ACPI parking protocol cpu_postboot
  arm64: Add support for Half precision floating point
  arm64: Remove fixmap include fragility
  arm64: Add workaround for Cavium erratum 27456
  arm64: mm: Mark .rodata as RO
  ...
2016-03-17 20:03:47 -07:00
Linus Torvalds
364e8dd9d6 Configfs changes for the 4.6 merge window:
- A large patch from me to simplify setting up the list of default
    groups by actually implementing it as a list instead of an array.
  - a small Y2083 prep patch from Deepa Dinamani.  Probably doesn't matter
    on it's own, but it seems like he is trying to get rid of all CURRENT_TIME
    uses in file systems, which is a worthwhile goal.
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Merge tag 'configfs-for-linus' of git://git.infradead.org/users/hch/configfs

Pull configfs updates from Christoph Hellwig:

 - A large patch from me to simplify setting up the list of default
   groups by actually implementing it as a list instead of an array.

 - a small Y2083 prep patch from Deepa Dinamani.  Probably doesn't
   matter on it's own, but it seems like he is trying to get rid of all
   CURRENT_TIME uses in file systems, which is a worthwhile goal.

* tag 'configfs-for-linus' of git://git.infradead.org/users/hch/configfs:
  configfs: switch ->default groups to a linked list
  configfs: Replace CURRENT_TIME by current_fs_time()
2016-03-17 16:25:46 -07:00
Linus Torvalds
48d10bda1f USB patches for 4.6-rc1
Here is the big USB patchset for 4.6-rc1.
 
 The normal mess is here, gadget and xhci fixes and updates, and lots of
 other driver updates and cleanups as well.  Full details are in the
 shortlog.
 
 All have been in linux-next for a while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB updates from Greg KH:
 "Here is the big USB patchset for 4.6-rc1.

  The normal mess is here, gadget and xhci fixes and updates, and lots
  of other driver updates and cleanups as well.  Full details are in the
  shortlog.

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

* tag 'usb-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (266 commits)
  USB: core: let USB device know device node
  usb: devio: Add ioctl to disallow detaching kernel USB drivers.
  usb: gadget: f_acm: Fix configfs attr name
  usb: udc: lpc32xx: remove USB PLL and USB OTG clock management
  usb: udc: lpc32xx: remove direct access to clock controller registers
  usb: udc: lpc32xx: switch to clock prepare/unprepare model
  usb: renesas_usbhs: gadget: fix giveback status code in usbhsg_pipe_disable()
  usb: gadget: renesas_usb3: Use ARCH_RENESAS
  usb: dwc2: Fix issues in dwc2_complete_non_isoc_xfer_ddma()
  usb: dwc2: Add support for Lantiq ARX and XRX SoCs
  usb: phy: generic: Handle late registration of gadget
  usb: gadget: bdc_udc: fix race condition in bdc_udc_exit()
  usb: musb: core: added missing const qualifier to musb_hdrc_platform_data::config
  usb: dwc2: Move host-specific core functions into hcd.c
  usb: dwc2: Move register save and restore functions
  usb: dwc2: Use kmem_cache_free()
  usb: dwc2: host: If using uframe scheduler, end splits better
  usb: dwc2: host: Totally redo the microframe scheduler
  usb: dwc2: host: Properly set even/odd frame
  usb: dwc2: host: Add dwc2_hcd_get_future_frame_number() call
  ...
2016-03-17 14:24:26 -07:00
Linus Torvalds
96b9b1c956 TTY/Serial patches for 4.6-rc1
Here's the big tty/serial driver pull request for 4.6-rc1.
 
 Lots of changes in here, Peter has been on a tear again, with lots of
 refactoring and bugs fixes, many thanks to the great work he has been
 doing.  Lots of driver updates and fixes as well, full details in the
 shortlog.
 
 All have been in linux-next for a while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial updates from Greg KH:
 "Here's the big tty/serial driver pull request for 4.6-rc1.

  Lots of changes in here, Peter has been on a tear again, with lots of
  refactoring and bugs fixes, many thanks to the great work he has been
  doing.  Lots of driver updates and fixes as well, full details in the
  shortlog.

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

* tag 'tty-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (220 commits)
  serial: 8250: describe CONFIG_SERIAL_8250_RSA
  serial: samsung: optimize UART rx fifo access routine
  serial: pl011: add mark/space parity support
  serial: sa1100: make sa1100_register_uart_fns a function
  tty: serial: 8250: add MOXA Smartio MUE boards support
  serial: 8250: convert drivers to use up_to_u8250p()
  serial: 8250/mediatek: fix building with SERIAL_8250=m
  serial: 8250/ingenic: fix building with SERIAL_8250=m
  serial: 8250/uniphier: fix modular build
  Revert "drivers/tty/serial: make 8250/8250_ingenic.c explicitly non-modular"
  Revert "drivers/tty/serial: make 8250/8250_mtk.c explicitly non-modular"
  serial: mvebu-uart: initial support for Armada-3700 serial port
  serial: mctrl_gpio: Add missing module license
  serial: ifx6x60: avoid uninitialized variable use
  tty/serial: at91: fix bad offset for UART timeout register
  tty/serial: at91: restore dynamic driver binding
  serial: 8250: Add hardware dependency to RT288X option
  TTY, devpts: document pty count limiting
  tty: goldfish: support platform_device with id -1
  drivers: tty: goldfish: Add device tree bindings
  ...
2016-03-17 13:53:25 -07:00
Linus Torvalds
8eee93e257 Char/Misc patches for 4.6-rc1
Here is the big char/misc driver update for 4.6-rc1.
 
 The majority of the patches here is hwtracing and some new mic drivers,
 but there's a lot of other driver updates as well.  Full details in the
 shortlog.
 
 All have been in linux-next for a while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc updates from Greg KH:
 "Here is the big char/misc driver update for 4.6-rc1.

  The majority of the patches here is hwtracing and some new mic
  drivers, but there's a lot of other driver updates as well.  Full
  details in the shortlog.

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

* tag 'char-misc-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (238 commits)
  goldfish: Fix build error of missing ioremap on UM
  nvmem: mediatek: Fix later provider initialization
  nvmem: imx-ocotp: Fix return value of imx_ocotp_read
  nvmem: Fix dependencies for !HAS_IOMEM archs
  char: genrtc: replace blacklist with whitelist
  drivers/hwtracing: make coresight-etm-perf.c explicitly non-modular
  drivers: char: mem: fix IS_ERROR_VALUE usage
  char: xillybus: Fix internal data structure initialization
  pch_phub: return -ENODATA if ROM can't be mapped
  Drivers: hv: vmbus: Support kexec on ws2012 r2 and above
  Drivers: hv: vmbus: Support handling messages on multiple CPUs
  Drivers: hv: utils: Remove util transport handler from list if registration fails
  Drivers: hv: util: Pass the channel information during the init call
  Drivers: hv: vmbus: avoid unneeded compiler optimizations in vmbus_wait_for_unload()
  Drivers: hv: vmbus: remove code duplication in message handling
  Drivers: hv: vmbus: avoid wait_for_completion() on crash
  Drivers: hv: vmbus: don't loose HVMSG_TIMER_EXPIRED messages
  misc: at24: replace memory_accessor with nvmem_device_read
  eeprom: 93xx46: extend driver to plug into the NVMEM framework
  eeprom: at25: extend driver to plug into the NVMEM framework
  ...
2016-03-17 13:47:50 -07:00
Linus Torvalds
1a4ab084af Driver core patches for 4.6-rc1
Just a few patches this time around for the 4.6-rc1 merge window.
 Largest is a new firmware driver, but there are some other updates to
 the driver core in here as well, the shortlog has the details.
 
 All have been in linux-next for a while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Just a few patches this time around for the 4.6-rc1 merge window.
  Largest is a new firmware driver, but there are some other updates to
  the driver core in here as well, the shortlog has the details.

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

* tag 'driver-core-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  Revert "driver-core: platform: probe of-devices only using list of compatibles"
  firmware: qemu config needs I/O ports
  firmware: qemu_fw_cfg.c: fix typo FW_CFG_DATA_OFF
  driver-core: platform: probe of-devices only using list of compatibles
  driver-core: platform: fix typo in documentation for multi-driver helper
  component: remove impossible condition
  drivers: dma-coherent: simplify dma_init_coherent_memory return value
  devicetree: update documentation for fw_cfg ARM bindings
  firmware: create directory hierarchy for sysfs fw_cfg entries
  firmware: introduce sysfs driver for QEMU's fw_cfg device
  kobject: export kset_find_obj() for module use
  driver core: bus: use to_subsys_private and to_device_private_bus
  driver core: bus: use list_for_each_entry*
  debugfs: Add stub function for debugfs_create_automount().
  kernfs: make kernfs_walk_ns() use kernfs_pr_cont_buf[]
2016-03-17 13:38:00 -07:00
Linus Torvalds
3c0b8d1c5f HSI changes for the v4.6 series
* nokia-modem: add N950 and N9 support
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Merge tag 'hsi-for-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi

Pull HSI updates from Sebastian Reichel:
 "nokia-modem: add N950 and N9 support"

* tag 'hsi-for-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi:
  HSI: ssi-protocol: Use handshake logic from n950
  HSI: nokia-modem: add n950 and n9 support
2016-03-17 12:58:11 -07:00
Linus Torvalds
9cc984e4bc power supply and reset changes for the v4.6 series
* add types for USB Type C and PD chargers
  * add act8945a charger driver
  * add ACPI/DT bindings for goldfish-battery
  * add support for versatile reset controller
  * misc. fixes
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Merge tag 'for-v4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset changes from Sebastian Reichel:
 - add types for USB Type C and PD chargers
 - add act8945a charger driver
 - add ACPI/DT bindings for goldfish-battery
 - add support for versatile reset controller
 - misc fixes

* tag 'for-v4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (24 commits)
  power: pm2301-charger: use __maybe_unused to hide pm functions
  power: ipaq-micro-battery: use __maybe_unused to hide pm functions
  power_supply: 88pm860x_charger: do not pass NULL to power_supply_put
  jz4740-battery: Correct voltage change check
  power_supply: lp8788-charger: initialize boolean 'found'
  goldfish: Enable ACPI-based enumeration for goldfish battery
  power: goldfish_battery: add devicetree bindings
  power: act8945a: add charger driver for ACT8945A
  power: add documentation for ACT8945A's charger DT bindings
  ARM: dts: n900: Rename isp1704 to isp1707 to match correct name
  power_supply: bq27xxx_battery: Add of modalias and match table when CONFIG_OF is enabled
  power_supply: bq2415x_charger: Add of modalias and match table when CONFIG_OF is enabled
  power_supply: bq2415x_charger: Do not add acpi modalias when CONFIG_ACPI is not enabled
  power_supply: isp1704_charger: Add compatible of match for nxp,isp1707
  power_supply: isp1704_charger: Error messages when probe fail
  power_supply: Add types for USB Type C and PD chargers
  power: bq24735-charger: add 'ti,external-control' option
  power: bq24735-charger: document 'ti,external-control' option
  power: bq24735-charger: fix failed i2c with ac-detect
  power: reset: Fix dependencies for !HAS_IOMEM archs
  ...
2016-03-17 12:50:55 -07:00
Linus Torvalds
b5b131c747 dmaengine updates for 4.6
This is smallish update with minor changes to core and new driver and usual
 updates. Nothing super exciting here..
 
 - We have made slave address as physical to enable driver to do the mapping.
 - We now expose the maxburst for slave dma as new capability so clients can
   know this and program accordingly
 - addition of device synchronize callbacks on omap and edma.
 - pl330 updates to support DMAFLUSHP for Rockchip platforms.
 - Updates and improved sg handling in Xilinx VDMA driver.
 - New hidma qualcomm dma driver, though some bits are still in progress
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Merge tag 'dmaengine-4.6-rc1' of git://git.infradead.org/users/vkoul/slave-dma

Pull dmaengine updates from Vinod Koul:
 "This is smallish update with minor changes to core and new driver and
  usual updates.  Nothing super exciting here..

   - We have made slave address as physical to enable driver to do the
     mapping.

   - We now expose the maxburst for slave dma as new capability so
     clients can know this and program accordingly

   - addition of device synchronize callbacks on omap and edma.

   - pl330 updates to support DMAFLUSHP for Rockchip platforms.

   - Updates and improved sg handling in Xilinx VDMA driver.

   - New hidma qualcomm dma driver, though some bits are still in
     progress"

* tag 'dmaengine-4.6-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (40 commits)
  dmaengine: IOATDMA: revise channel reset workaround on CB3.3 platforms
  dmaengine: add Qualcomm Technologies HIDMA channel driver
  dmaengine: add Qualcomm Technologies HIDMA management driver
  dmaengine: hidma: Add Device Tree binding
  dmaengine: qcom_bam_dma: move to qcom directory
  dmaengine: tegra: Move of_device_id table near to its user
  dmaengine: xilinx_vdma: Remove unnecessary variable initializations
  dmaengine: sirf: use __maybe_unused to hide pm functions
  dmaengine: rcar-dmac: clear pertinence number of channels
  dmaengine: sh: shdmac: don't open code of_device_get_match_data()
  dmaengine: tegra: don't open code of_device_get_match_data()
  dmaengine: qcom_bam_dma: Make driver work for BE
  dmaengine: sun4i: support module autoloading
  dma/mic_x100_dma: IS_ERR() vs PTR_ERR() typo
  dmaengine: xilinx_vdma: Use readl_poll_timeout instead of do while loop's
  dmaengine: xilinx_vdma: Simplify spin lock handling
  dmaengine: xilinx_vdma: Fix issues with non-parking mode
  dmaengine: xilinx_vdma: Improve SG engine handling
  dmaengine: pl330: fix to support the burst mode
  dmaengine: make slave address physical
  ...
2016-03-17 12:34:54 -07:00
Linus Torvalds
c7eec380e8 remoteproc updates for v4.6
New driver for controlling ST's remote processors and a couple of minor
 fixes. Also includes the addition of myself as co-maintainer.
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Merge tag 'rproc-v4.6' of git://github.com/andersson/remoteproc

Pull remoteproc updates from Bjorn Andersson:
 "New driver for controlling ST's remote processors and a couple of
  minor fixes.  Also includes the addition of myself as co-maintainer"

Acked-by: Ohad Ben-Cohen <ohad@wizery.com>

* tag 'rproc-v4.6' of git://github.com/andersson/remoteproc:
  MAINTAINERS: Add co-maintainer for remoteproc subsystems
  remoteproc: Supply controller driver for ST's Remote Processors
  remoteproc: debugfs: Add ability to boot remote processor using debugfs
  remoteproc: dt: Provide bindings for ST's Remote Processor Controller driver
  remoteproc: debugfs: Return error on invalid 'count' value
  remoteproc/wkup_m3: Use MODULE_DEVICE_TABLE to export alias
  remoteproc: report error if resource table doesn't exist
2016-03-17 12:24:55 -07:00
Linus Torvalds
37aa7319cd Another relatively boring cycle for the docs tree: typo fixes, translation
updates, etc.
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Merge tag 'docs-for-linus' of git://git.lwn.net/linux

Pul documentation update from Jon Corbet:
 "Another relatively boring cycle for the docs tree: typo fixes,
  translation updates, etc"

* tag 'docs-for-linus' of git://git.lwn.net/linux:
  modsign: Fix documentation on module signing enforcement parameter.
  Doc: nfs: Fix typos in Documentation/filesystems/nfs
  Documentation: kselftest: Remove duplicate word
  doc: fix grammar
  Documentation: Howto: Fixed subtitles style
  Doc: ARM: Fix a typo in clksrc-change-registers.awk
  Documentation/ko_KR: update maintainer information
  Documentation: Fix int/unsigned int comparison
  Documentation: Chinese translation of arm64/silicon-errata.txt
  Documentation:Update Documentation/zh_CN/arm64/booting.txt
  Documentation: HOWTO: remove obsolete info about regression postings
  Doc: ja_JP: Fix a typo in HOWTO
  Doc: i2c: Fix typo in Documentation/i2c
  Doc: DocBook: Fix a typo in device-drivers.tmpl
  Remove "arch" usage in Documentation/features/list-arch.sh
  README: cosmetic fixes
  Documentation/CodingStyle: add space before parenthesis in example macro
  SubmittingPatches: fix spelling of "git send-email"
2016-03-17 12:09:35 -07:00
Linus Torvalds
bb7aeae3d6 Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull security layer updates from James Morris:
 "There are a bunch of fixes to the TPM, IMA, and Keys code, with minor
  fixes scattered across the subsystem.

  IMA now requires signed policy, and that policy is also now measured
  and appraised"

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (67 commits)
  X.509: Make algo identifiers text instead of enum
  akcipher: Move the RSA DER encoding check to the crypto layer
  crypto: Add hash param to pkcs1pad
  sign-file: fix build with CMS support disabled
  MAINTAINERS: update tpmdd urls
  MODSIGN: linux/string.h should be #included to get memcpy()
  certs: Fix misaligned data in extra certificate list
  X.509: Handle midnight alternative notation in GeneralizedTime
  X.509: Support leap seconds
  Handle ISO 8601 leap seconds and encodings of midnight in mktime64()
  X.509: Fix leap year handling again
  PKCS#7: fix unitialized boolean 'want'
  firmware: change kernel read fail to dev_dbg()
  KEYS: Use the symbol value for list size, updated by scripts/insert-sys-cert
  KEYS: Reserve an extra certificate symbol for inserting without recompiling
  modsign: hide openssl output in silent builds
  tpm_tis: fix build warning with tpm_tis_resume
  ima: require signed IMA policy
  ima: measure and appraise the IMA policy itself
  ima: load policy using path
  ...
2016-03-17 11:33:45 -07:00
Linus Torvalds
70477371dc Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto update from Herbert Xu:
 "Here is the crypto update for 4.6:

  API:
   - Convert remaining crypto_hash users to shash or ahash, also convert
     blkcipher/ablkcipher users to skcipher.
   - Remove crypto_hash interface.
   - Remove crypto_pcomp interface.
   - Add crypto engine for async cipher drivers.
   - Add akcipher documentation.
   - Add skcipher documentation.

  Algorithms:
   - Rename crypto/crc32 to avoid name clash with lib/crc32.
   - Fix bug in keywrap where we zero the wrong pointer.

  Drivers:
   - Support T5/M5, T7/M7 SPARC CPUs in n2 hwrng driver.
   - Add PIC32 hwrng driver.
   - Support BCM6368 in bcm63xx hwrng driver.
   - Pack structs for 32-bit compat users in qat.
   - Use crypto engine in omap-aes.
   - Add support for sama5d2x SoCs in atmel-sha.
   - Make atmel-sha available again.
   - Make sahara hashing available again.
   - Make ccp hashing available again.
   - Make sha1-mb available again.
   - Add support for multiple devices in ccp.
   - Improve DMA performance in caam.
   - Add hashing support to rockchip"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (116 commits)
  crypto: qat - remove redundant arbiter configuration
  crypto: ux500 - fix checks of error code returned by devm_ioremap_resource()
  crypto: atmel - fix checks of error code returned by devm_ioremap_resource()
  crypto: qat - Change the definition of icp_qat_uof_regtype
  hwrng: exynos - use __maybe_unused to hide pm functions
  crypto: ccp - Add abstraction for device-specific calls
  crypto: ccp - CCP versioning support
  crypto: ccp - Support for multiple CCPs
  crypto: ccp - Remove check for x86 family and model
  crypto: ccp - memset request context to zero during import
  lib/mpi: use "static inline" instead of "extern inline"
  lib/mpi: avoid assembler warning
  hwrng: bcm63xx - fix non device tree compatibility
  crypto: testmgr - allow rfc3686 aes-ctr variants in fips mode.
  crypto: qat - The AE id should be less than the maximal AE number
  lib/mpi: Endianness fix
  crypto: rockchip - add hash support for crypto engine in rk3288
  crypto: xts - fix compile errors
  crypto: doc - add skcipher API documentation
  crypto: doc - update AEAD AD handling
  ...
2016-03-17 11:22:54 -07:00
Linus Torvalds
bace3db5da media updates for v4.6-rc1
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Merge tag 'media/v4.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:
 - Added support for some new video formats
 - mn88473 DVB frontend driver got promoted from staging
 - several improvements at the VSP1 driver
 - several cleanups and improvements at the Media Controller
 - added Media Controller support to snd-usb-audio.  Currently, enabled
   only for au0828-based V4L2/DVB boards
 - Several improvements at nuvoton-cir: it now supports wake up codes
 - Add media controller support to em28xx and saa7134 drivers
 - coda driver now accepts NXP distributed firmware files
 - Some legacy SoC camera drivers will be moving to staging, as they're
   outdated and nobody so far is willing to fix and convert them to use
   the current media framework
 - As usual, lots of cleanups, improvements and new board additions.

* tag 'media/v4.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (381 commits)
  media: au0828 disable tuner to demod link in au0828_media_device_register()
  [media] touptek: cast char types on %x printk
  [media] touptek: don't DMA at the stack
  [media] mceusb: use %*ph for small buffer dumps
  [media] v4l: exynos4-is: Drop unneeded check when setting up fimc-lite links
  [media] v4l: vsp1: Check if an entity is a subdev with the right function
  [media] hide unused functions for !MEDIA_CONTROLLER
  [media] em28xx: fix Terratec Grabby AC97 codec detection
  [media] media: add prefixes to interface types
  [media] media: rc: nuvoton: switch attribute wakeup_data to text
  [media] v4l2-ioctl: fix YUV422P pixel format description
  [media] media: fix null pointer dereference in v4l_vb2q_enable_media_source()
  [media] v4l2-mc.h: fix yet more compiler errors
  [media] staging/media: add missing TODO files
  [media] media.h: always start with 1 for the audio entities
  [media] sound/usb: Use meaninful names for goto labels
  [media] v4l2-mc.h: fix compiler warnings
  [media] media: au0828 audio mixer isn't connected to decoder
  [media] sound/usb: Use Media Controller API to share media resources
  [media] dw2102: add support for TeVii S662
  ...
2016-03-16 18:27:32 -07:00
Linus Torvalds
6968e6f832 - Most attention this cycle went to optimizing blk-mq request-based DM
(dm-mq) that is used exclussively by DM multipath.
 
   - A stable fix for dm-mq that eliminates excessive context switching
     offers the biggest performance improvement (for both IOPs and
     throughput).
 
   - But more work is needed, during the next cycle, to reduce spinlock
     contention in DM multipath on large NUMA systems.
 
 - A stable fix for a NULL pointer seen when DM stats is enabled on a DM
   multipath device that must requeue an IO due to path failure.
 
 - A stable fix for DM snapshot to disallow the COW and origin devices
   from being identical.  This amounts to graceful failure in the face of
   userspace error because these devices shouldn't ever be identical.
 
 - Stable fixes for DM cache and DM thin provisioning to address crashes
   seen if/when their respective metadata device experiences failures
   that cause the transition to 'fail_io' mode.
 
 - The DM cache 'mq' policy is now an alias for the 'smq' policy.  The
   'smq' policy proved to be consistently better than 'mq'.  As such
   'mq', with all its complex user-facing tunables, has been eliminated.
 
 - Improve DM thin provisioning to consistently return -ENOSPC once the
   thin-pool's data volume is out of space.
 
 - Improve DM core to properly handle error propagation if
   bio_integrity_clone() fails in clone_bio().
 
 - Other small cleanups and improvements to DM core.
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Merge tag 'dm-4.6-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper updates from Mike Snitzer:

 - Most attention this cycle went to optimizing blk-mq request-based DM
   (dm-mq) that is used exclussively by DM multipath:

     - A stable fix for dm-mq that eliminates excessive context
       switching offers the biggest performance improvement (for both
       IOPs and throughput).

     - But more work is needed, during the next cycle, to reduce
       spinlock contention in DM multipath on large NUMA systems.

 - A stable fix for a NULL pointer seen when DM stats is enabled on a DM
   multipath device that must requeue an IO due to path failure.

 - A stable fix for DM snapshot to disallow the COW and origin devices
   from being identical.  This amounts to graceful failure in the face
   of userspace error because these devices shouldn't ever be identical.

 - Stable fixes for DM cache and DM thin provisioning to address crashes
   seen if/when their respective metadata device experiences failures
   that cause the transition to 'fail_io' mode.

 - The DM cache 'mq' policy is now an alias for the 'smq' policy.  The
   'smq' policy proved to be consistently better than 'mq'.  As such
   'mq', with all its complex user-facing tunables, has been eliminated.

 - Improve DM thin provisioning to consistently return -ENOSPC once the
   thin-pool's data volume is out of space.

 - Improve DM core to properly handle error propagation if
   bio_integrity_clone() fails in clone_bio().

 - Other small cleanups and improvements to DM core.

* tag 'dm-4.6-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (41 commits)
  dm: fix rq_end_stats() NULL pointer in dm_requeue_original_request()
  dm thin: consistently return -ENOSPC if pool has run out of data space
  dm cache: bump the target version
  dm cache: make sure every metadata function checks fail_io
  dm: add missing newline between DM_DEBUG_BLOCK_STACK_TRACING and DM_BUFIO
  dm cache policy smq: clarify that mq registration failure was for 'mq'
  dm: return error if bio_integrity_clone() fails in clone_bio()
  dm thin metadata: don't issue prefetches if a transaction abort has failed
  dm snapshot: disallow the COW and origin devices from being identical
  dm cache: make the 'mq' policy an alias for 'smq'
  dm: drop unnecessary assignment of md->queue
  dm: reorder 'struct mapped_device' members to fix alignment and holes
  dm: remove dummy definition of 'struct dm_table'
  dm: add 'dm_numa_node' module parameter
  dm thin metadata: remove needless newline from subtree_dec() DMERR message
  dm mpath: cleanup reinstate_path() et al based on code review
  dm mpath: remove __pgpath_busy forward declaration, rename to pgpath_busy
  dm mpath: switch from 'unsigned' to 'bool' for flags where appropriate
  dm round robin: use percpu 'repeat_count' and 'current_path'
  dm path selector: remove 'repeat_count' return from .select_path hook
  ...
2016-03-16 17:26:37 -07:00
Linus Torvalds
cae8da047b SCSI misc on 20160315
This pull includes driver updates from the usual suspects (stex, hpsa,
 ncr5380, scsi_dh, qla2xxx, be2iscsi, hisi_sas, cxlflash, aacraid,
 mp3sas, megaraid_sas, ibmvscsi, ufs) plus an assortment of
 miscellaneous fixes.  The major user visible change of this pull is
 that we've moved from monotonically increasing host number to an ida
 allocated one (meaning the numbers get re-used) because someone
 managed to wrap the count in an iscsi system.  We don't believe there
 will be any adverse consequences of this.
 
 Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This pull includes driver updates from the usual suspects (stex, hpsa,
  ncr5380, scsi_dh, qla2xxx, be2iscsi, hisi_sas, cxlflash, aacraid,
  mp3sas, megaraid_sas, ibmvscsi, ufs) plus an assortment of
  miscellaneous fixes.

  The major user visible change of this pull is that we've moved from
  monotonically increasing host number to an ida allocated one (meaning
  the numbers get re-used) because someone managed to wrap the count in
  an iscsi system.  We don't believe there will be any adverse
  consequences of this"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (230 commits)
  MAINTAINERS: use new email address for James Bottomley
  mpt3sas: Remove unnecessary synchronize_irq() before free_irq()
  sg: fix dxferp in from_to case
  cxlflash: Increase cmd_per_lun for better throughput
  cxlflash: Fix to avoid unnecessary scan with internal LUNs
  cxlflash: Reorder user context initialization
  cxlflash: Simplify attach path error cleanup
  cxlflash: Split out context initialization
  cxlflash: Unmap problem state area before detaching master context
  cxlflash: Simplify PCI registration
  scsi: storvsc: fix SRB_STATUS_ABORTED handling
  be2iscsi: set the boot_kset pointer to NULL in case of failure
  sd: Fix discard granularity when LBPRZ=1
  be2iscsi: Remove unnecessary synchronize_irq() before free_irq()
  scsi_sysfs: call 'device_add' after attaching device handler
  scsi_dh_emc: update 'access_state' field
  scsi_dh_rdac: update 'access_state' field
  scsi_dh_alua: update 'access_state' field
  scsi_dh_alua: use common definitions for ALUA state
  scsi: Add 'access_state' and 'preferred_path' attribute
  ...
2016-03-16 17:16:22 -07:00
Linus Torvalds
63e30271b0 PCI changes for the v4.6 merge window:
Enumeration
     Disable IO/MEM decoding for devices with non-compliant BARs (Bjorn Helgaas)
     Mark Broadwell-EP Home Agent & PCU as having non-compliant BARs (Bjorn Helgaas
 
   Resource management
     Mark shadow copy of VGA ROM as IORESOURCE_PCI_FIXED (Bjorn Helgaas)
     Don't assign or reassign immutable resources (Bjorn Helgaas)
     Don't enable/disable ROM BAR if we're using a RAM shadow copy (Bjorn Helgaas)
     Set ROM shadow location in arch code, not in PCI core (Bjorn Helgaas)
     Remove arch-specific IORESOURCE_ROM_SHADOW size from sysfs (Bjorn Helgaas)
     ia64: Use ioremap() instead of open-coded equivalent (Bjorn Helgaas)
     ia64: Keep CPU physical (not virtual) addresses in shadow ROM resource (Bjorn Helgaas)
     MIPS: Keep CPU physical (not virtual) addresses in shadow ROM resource (Bjorn Helgaas)
     Remove unused IORESOURCE_ROM_COPY and IORESOURCE_ROM_BIOS_COPY (Bjorn Helgaas)
     Don't leak memory if sysfs_create_bin_file() fails (Bjorn Helgaas)
     rcar: Remove PCI_PROBE_ONLY handling (Lorenzo Pieralisi)
     designware: Remove PCI_PROBE_ONLY handling (Lorenzo Pieralisi)
 
   Virtualization
     Wait for up to 1000ms after FLR reset (Alex Williamson)
     Support SR-IOV on any function type (Kelly Zytaruk)
     Add ACS quirk for all Cavium devices (Manish Jaggi)
 
   AER
     Rename pci_ops_aer to aer_inj_pci_ops (Bjorn Helgaas)
     Restore pci_ops pointer while calling original pci_ops (David Daney)
     Fix aer_inject error codes (Jean Delvare)
     Use dev_warn() in aer_inject (Jean Delvare)
     Log actual error causes in aer_inject (Jean Delvare)
     Log aer_inject error injections (Jean Delvare)
 
   VPD
     Prevent VPD access for buggy devices (Babu Moger)
     Move pci_read_vpd() and pci_write_vpd() close to other VPD code (Bjorn Helgaas)
     Move pci_vpd_release() from header file to pci/access.c (Bjorn Helgaas)
     Remove struct pci_vpd_ops.release function pointer (Bjorn Helgaas)
     Rename VPD symbols to remove unnecessary "pci22" (Bjorn Helgaas)
     Fold struct pci_vpd_pci22 into struct pci_vpd (Bjorn Helgaas)
     Sleep rather than busy-wait for VPD access completion (Bjorn Helgaas)
     Update VPD definitions (Hannes Reinecke)
     Allow access to VPD attributes with size 0 (Hannes Reinecke)
     Determine actual VPD size on first access (Hannes Reinecke)
 
   Generic host bridge driver
     Move structure definitions to separate header file (David Daney)
     Add pci_host_common_probe(), based on gen_pci_probe() (David Daney)
     Expose pci_host_common_probe() for use by other drivers (David Daney)
 
   Altera host bridge driver
     Fix altera_pcie_link_is_up() (Ley Foon Tan)
 
   Cavium ThunderX host bridge driver
     Add PCIe host driver for ThunderX processors (David Daney)
     Add driver for ThunderX-pass{1,2} on-chip devices (David Daney)
 
   Freescale i.MX6 host bridge driver
     Add DT bindings to configure PHY Tx driver settings (Justin Waters)
     Move imx6_pcie_reset_phy() near other PHY handling functions (Lucas Stach)
     Move PHY reset into imx6_pcie_establish_link() (Lucas Stach)
     Remove broken Gen2 workaround (Lucas Stach)
     Move link up check into imx6_pcie_wait_for_link() (Lucas Stach)
 
   Freescale Layerscape host bridge driver
     Add "fsl,ls2085a-pcie" compatible ID (Yang Shi)
 
   Intel VMD host bridge driver
     Attach VMD resources to parent domain's resource tree (Jon Derrick)
     Set bus resource start to 0 (Keith Busch)
 
   Microsoft Hyper-V host bridge driver
     Add fwnode_handle to x86 pci_sysdata (Jake Oshins)
     Look up IRQ domain by fwnode_handle (Jake Oshins)
     Add paravirtual PCI front-end for Microsoft Hyper-V VMs (Jake Oshins)
 
   NVIDIA Tegra host bridge driver
     Add pci_ops.{add,remove}_bus() callbacks (Thierry Reding)
     Implement ->{add,remove}_bus() callbacks (Thierry Reding)
     Remove unused struct tegra_pcie.num_ports field (Thierry Reding)
     Track bus -> CPU mapping (Thierry Reding)
     Remove misleading PHYS_OFFSET (Thierry Reding)
 
   Renesas R-Car host bridge driver
     Depend on ARCH_RENESAS, not ARCH_SHMOBILE (Simon Horman)
 
   Synopsys DesignWare host bridge driver
     ARC: Add PCI support (Joao Pinto)
     Add generic dw_pcie_wait_for_link() (Joao Pinto)
     Add default link up check if sub-driver doesn't override (Joao Pinto)
     Add driver for prototyping kits based on ARC SDP (Joao Pinto)
 
   TI Keystone host bridge driver
     Defer probing if devm_phy_get() returns -EPROBE_DEFER (Shawn Lin)
 
   Xilinx AXI host bridge driver
     Use of_pci_get_host_bridge_resources() to parse DT (Bharat Kumar Gogada)
     Remove dependency on ARM-specific struct hw_pci (Bharat Kumar Gogada)
     Don't call pci_fixup_irqs() on Microblaze (Bharat Kumar Gogada)
     Update Zynq binding with Microblaze node (Bharat Kumar Gogada)
     microblaze: Support generic Xilinx AXI PCIe Host Bridge IP driver (Bharat Kumar Gogada)
 
   Xilinx NWL host bridge driver
     Add support for Xilinx NWL PCIe Host Controller (Bharat Kumar Gogada)
 
   Miscellaneous
     Check device_attach() return value always (Bjorn Helgaas)
     Move pci_set_flags() from asm-generic/pci-bridge.h to linux/pci.h (Bjorn Helgaas)
     Remove includes of empty asm-generic/pci-bridge.h (Bjorn Helgaas)
     ARM64: Remove generated include of asm-generic/pci-bridge.h (Bjorn Helgaas)
     Remove empty asm-generic/pci-bridge.h (Bjorn Helgaas)
     Remove includes of asm/pci-bridge.h (Bjorn Helgaas)
     Consolidate PCI DMA constants and interfaces in linux/pci-dma-compat.h (Bjorn Helgaas)
     unicore32: Remove unused HAVE_ARCH_PCI_SET_DMA_MASK definition (Bjorn Helgaas)
     Cleanup pci/pcie/Kconfig whitespace (Andreas Ziegler)
     Include pci/hotplug Kconfig directly from pci/Kconfig (Bjorn Helgaas)
     Include pci/pcie/Kconfig directly from pci/Kconfig (Bogicevic Sasa)
     frv: Remove stray pci_{alloc,free}_consistent() declaration (Christoph Hellwig)
     Move pci_dma_* helpers to common code (Christoph Hellwig)
     Add PCI_CLASS_SERIAL_USB_DEVICE definition (Heikki Krogerus)
     Add QEMU top-level IDs for (sub)vendor & device (Robin H. Johnson)
     Fix broken URL for Dell biosdevname (Naga Venkata Sai Indubhaskar Jupudi)
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Merge tag 'pci-v4.6-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:
 "PCI changes for v4.6:

  Enumeration:
   - Disable IO/MEM decoding for devices with non-compliant BARs (Bjorn Helgaas)
   - Mark Broadwell-EP Home Agent & PCU as having non-compliant BARs (Bjorn Helgaas

  Resource management:
   - Mark shadow copy of VGA ROM as IORESOURCE_PCI_FIXED (Bjorn Helgaas)
   - Don't assign or reassign immutable resources (Bjorn Helgaas)
   - Don't enable/disable ROM BAR if we're using a RAM shadow copy (Bjorn Helgaas)
   - Set ROM shadow location in arch code, not in PCI core (Bjorn Helgaas)
   - Remove arch-specific IORESOURCE_ROM_SHADOW size from sysfs (Bjorn Helgaas)
   - ia64: Use ioremap() instead of open-coded equivalent (Bjorn Helgaas)
   - ia64: Keep CPU physical (not virtual) addresses in shadow ROM resource (Bjorn Helgaas)
   - MIPS: Keep CPU physical (not virtual) addresses in shadow ROM resource (Bjorn Helgaas)
   - Remove unused IORESOURCE_ROM_COPY and IORESOURCE_ROM_BIOS_COPY (Bjorn Helgaas)
   - Don't leak memory if sysfs_create_bin_file() fails (Bjorn Helgaas)
   - rcar: Remove PCI_PROBE_ONLY handling (Lorenzo Pieralisi)
   - designware: Remove PCI_PROBE_ONLY handling (Lorenzo Pieralisi)

  Virtualization:
   - Wait for up to 1000ms after FLR reset (Alex Williamson)
   - Support SR-IOV on any function type (Kelly Zytaruk)
   - Add ACS quirk for all Cavium devices (Manish Jaggi)

  AER:
   - Rename pci_ops_aer to aer_inj_pci_ops (Bjorn Helgaas)
   - Restore pci_ops pointer while calling original pci_ops (David Daney)
   - Fix aer_inject error codes (Jean Delvare)
   - Use dev_warn() in aer_inject (Jean Delvare)
   - Log actual error causes in aer_inject (Jean Delvare)
   - Log aer_inject error injections (Jean Delvare)

  VPD:
   - Prevent VPD access for buggy devices (Babu Moger)
   - Move pci_read_vpd() and pci_write_vpd() close to other VPD code (Bjorn Helgaas)
   - Move pci_vpd_release() from header file to pci/access.c (Bjorn Helgaas)
   - Remove struct pci_vpd_ops.release function pointer (Bjorn Helgaas)
   - Rename VPD symbols to remove unnecessary "pci22" (Bjorn Helgaas)
   - Fold struct pci_vpd_pci22 into struct pci_vpd (Bjorn Helgaas)
   - Sleep rather than busy-wait for VPD access completion (Bjorn Helgaas)
   - Update VPD definitions (Hannes Reinecke)
   - Allow access to VPD attributes with size 0 (Hannes Reinecke)
   - Determine actual VPD size on first access (Hannes Reinecke)

  Generic host bridge driver:
   - Move structure definitions to separate header file (David Daney)
   - Add pci_host_common_probe(), based on gen_pci_probe() (David Daney)
   - Expose pci_host_common_probe() for use by other drivers (David Daney)

  Altera host bridge driver:
   - Fix altera_pcie_link_is_up() (Ley Foon Tan)

  Cavium ThunderX host bridge driver:
   - Add PCIe host driver for ThunderX processors (David Daney)
   - Add driver for ThunderX-pass{1,2} on-chip devices (David Daney)

  Freescale i.MX6 host bridge driver:
   - Add DT bindings to configure PHY Tx driver settings (Justin Waters)
   - Move imx6_pcie_reset_phy() near other PHY handling functions (Lucas Stach)
   - Move PHY reset into imx6_pcie_establish_link() (Lucas Stach)
   - Remove broken Gen2 workaround (Lucas Stach)
   - Move link up check into imx6_pcie_wait_for_link() (Lucas Stach)

  Freescale Layerscape host bridge driver:
   - Add "fsl,ls2085a-pcie" compatible ID (Yang Shi)

  Intel VMD host bridge driver:
   - Attach VMD resources to parent domain's resource tree (Jon Derrick)
   - Set bus resource start to 0 (Keith Busch)

  Microsoft Hyper-V host bridge driver:
   - Add fwnode_handle to x86 pci_sysdata (Jake Oshins)
   - Look up IRQ domain by fwnode_handle (Jake Oshins)
   - Add paravirtual PCI front-end for Microsoft Hyper-V VMs (Jake Oshins)

  NVIDIA Tegra host bridge driver:
   - Add pci_ops.{add,remove}_bus() callbacks (Thierry Reding)
   - Implement ->{add,remove}_bus() callbacks (Thierry Reding)
   - Remove unused struct tegra_pcie.num_ports field (Thierry Reding)
   - Track bus -> CPU mapping (Thierry Reding)
   - Remove misleading PHYS_OFFSET (Thierry Reding)

  Renesas R-Car host bridge driver:
   - Depend on ARCH_RENESAS, not ARCH_SHMOBILE (Simon Horman)

  Synopsys DesignWare host bridge driver:
   - ARC: Add PCI support (Joao Pinto)
   - Add generic dw_pcie_wait_for_link() (Joao Pinto)
   - Add default link up check if sub-driver doesn't override (Joao Pinto)
   - Add driver for prototyping kits based on ARC SDP (Joao Pinto)

  TI Keystone host bridge driver:
   - Defer probing if devm_phy_get() returns -EPROBE_DEFER (Shawn Lin)

  Xilinx AXI host bridge driver:
   - Use of_pci_get_host_bridge_resources() to parse DT (Bharat Kumar Gogada)
   - Remove dependency on ARM-specific struct hw_pci (Bharat Kumar Gogada)
   - Don't call pci_fixup_irqs() on Microblaze (Bharat Kumar Gogada)
   - Update Zynq binding with Microblaze node (Bharat Kumar Gogada)
   - microblaze: Support generic Xilinx AXI PCIe Host Bridge IP driver (Bharat Kumar Gogada)

  Xilinx NWL host bridge driver:
   - Add support for Xilinx NWL PCIe Host Controller (Bharat Kumar Gogada)

  Miscellaneous:
   - Check device_attach() return value always (Bjorn Helgaas)
   - Move pci_set_flags() from asm-generic/pci-bridge.h to linux/pci.h (Bjorn Helgaas)
   - Remove includes of empty asm-generic/pci-bridge.h (Bjorn Helgaas)
   - ARM64: Remove generated include of asm-generic/pci-bridge.h (Bjorn Helgaas)
   - Remove empty asm-generic/pci-bridge.h (Bjorn Helgaas)
   - Remove includes of asm/pci-bridge.h (Bjorn Helgaas)
   - Consolidate PCI DMA constants and interfaces in linux/pci-dma-compat.h (Bjorn Helgaas)
   - unicore32: Remove unused HAVE_ARCH_PCI_SET_DMA_MASK definition (Bjorn Helgaas)
   - Cleanup pci/pcie/Kconfig whitespace (Andreas Ziegler)
   - Include pci/hotplug Kconfig directly from pci/Kconfig (Bjorn Helgaas)
   - Include pci/pcie/Kconfig directly from pci/Kconfig (Bogicevic Sasa)
   - frv: Remove stray pci_{alloc,free}_consistent() declaration (Christoph Hellwig)
   - Move pci_dma_* helpers to common code (Christoph Hellwig)
   - Add PCI_CLASS_SERIAL_USB_DEVICE definition (Heikki Krogerus)
   - Add QEMU top-level IDs for (sub)vendor & device (Robin H. Johnson)
   - Fix broken URL for Dell biosdevname (Naga Venkata Sai Indubhaskar Jupudi)"

* tag 'pci-v4.6-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (94 commits)
  PCI: Add PCI_CLASS_SERIAL_USB_DEVICE definition
  PCI: designware: Add driver for prototyping kits based on ARC SDP
  PCI: designware: Add default link up check if sub-driver doesn't override
  PCI: designware: Add generic dw_pcie_wait_for_link()
  PCI: Cleanup pci/pcie/Kconfig whitespace
  PCI: Simplify pci_create_attr() control flow
  PCI: Don't leak memory if sysfs_create_bin_file() fails
  PCI: Simplify sysfs ROM cleanup
  PCI: Remove unused IORESOURCE_ROM_COPY and IORESOURCE_ROM_BIOS_COPY
  MIPS: Loongson 3: Keep CPU physical (not virtual) addresses in shadow ROM resource
  MIPS: Loongson 3: Use temporary struct resource * to avoid repetition
  ia64/PCI: Keep CPU physical (not virtual) addresses in shadow ROM resource
  ia64/PCI: Use ioremap() instead of open-coded equivalent
  ia64/PCI: Use temporary struct resource * to avoid repetition
  PCI: Clean up pci_map_rom() whitespace
  PCI: Remove arch-specific IORESOURCE_ROM_SHADOW size from sysfs
  PCI: thunder: Add driver for ThunderX-pass{1,2} on-chip devices
  PCI: thunder: Add PCIe host driver for ThunderX processors
  PCI: generic: Expose pci_host_common_probe() for use by other drivers
  PCI: generic: Add pci_host_common_probe(), based on gen_pci_probe()
  ...
2016-03-16 14:45:55 -07:00
Linus Torvalds
277edbabf6 Power management and ACPI material for v4.6-rc1, part 1
- Redesign of cpufreq governors and the intel_pstate driver to
    make them use callbacks invoked by the scheduler to trigger CPU
    frequency evaluation instead of using per-CPU deferrable timers
    for that purpose (Rafael Wysocki).
 
  - Reorganization and cleanup of cpufreq governor code to make it
    more straightforward and fix some concurrency problems in it
    (Rafael Wysocki, Viresh Kumar).
 
  - Cleanup and improvements of locking in the cpufreq core (Viresh
    Kumar).
 
  - Assorted cleanups in the cpufreq core (Rafael Wysocki, Viresh
    Kumar, Eric Biggers).
 
  - intel_pstate driver updates including fixes, optimizations and a
    modification to make it enable enable hardware-coordinated P-state
    selection (HWP) by default if supported by the processor (Philippe
    Longepe, Srinivas Pandruvada, Rafael Wysocki, Viresh Kumar, Felipe
    Franciosi).
 
  - Operating Performance Points (OPP) framework updates to improve
    its handling of voltage regulators and device clocks and updates
    of the cpufreq-dt driver on top of that (Viresh Kumar, Jon Hunter).
 
  - Updates of the powernv cpufreq driver to fix initialization
    and cleanup problems in it and correct its worker thread handling
    with respect to CPU offline, new powernv_throttle tracepoint
    (Shilpasri Bhat).
 
  - ACPI cpufreq driver optimization and cleanup (Rafael Wysocki).
 
  - ACPICA updates including one fix for a regression introduced
    by previos changes in the ACPICA code (Bob Moore, Lv Zheng,
    David Box, Colin Ian King).
 
  - Support for installing ACPI tables from initrd (Lv Zheng).
 
  - Optimizations of the ACPI CPPC code (Prashanth Prakash, Ashwin
    Chaugule).
 
  - Support for _HID(ACPI0010) devices (ACPI processor containers)
    and ACPI processor driver cleanups (Sudeep Holla).
 
  - Support for ACPI-based enumeration of the AMBA bus (Graeme Gregory,
    Aleksey Makarov).
 
  - Modification of the ACPI PCI IRQ management code to make it treat
    255 in the Interrupt Line register as "not connected" on x86 (as
    per the specification) and avoid attempts to use that value as
    a valid interrupt vector (Chen Fan).
 
  - ACPI APEI fixes related to resource leaks (Josh Hunt).
 
  - Removal of modularity from a few ACPI drivers (BGRT, GHES,
    intel_pmic_crc) that cannot be built as modules in practice (Paul
    Gortmaker).
 
  - PNP framework update to make it treat ACPI_RESOURCE_TYPE_SERIAL_BUS
    as a valid resource type (Harb Abdulhamid).
 
  - New device ID (future AMD I2C controller) in the ACPI driver for
    AMD SoCs (APD) and in the designware I2C driver (Xiangliang Yu).
 
  - Assorted ACPI cleanups (Colin Ian King, Kaiyen Chang, Oleg Drokin).
 
  - cpuidle menu governor optimization to avoid a square root
    computation in it (Rasmus Villemoes).
 
  - Fix for potential use-after-free in the generic device properties
    framework (Heikki Krogerus).
 
  - Updates of the generic power domains (genpd) framework including
    support for multiple power states of a domain, fixes and debugfs
    output improvements (Axel Haslam, Jon Hunter, Laurent Pinchart,
    Geert Uytterhoeven).
 
  - Intel RAPL power capping driver updates to reduce IPI overhead in
    it (Jacob Pan).
 
  - System suspend/hibernation code cleanups (Eric Biggers, Saurabh
    Sengar).
 
  - Year 2038 fix for the process freezer (Abhilash Jindal).
 
  - turbostat utility updates including new features (decoding of more
    registers and CPUID fields, sub-second intervals support, GFX MHz
    and RC6 printout, --out command line option), fixes (syscall jitter
    detection and workaround, reductioin of the number of syscalls made,
    fixes related to Xeon x200 processors, compiler warning fixes) and
    cleanups (Len Brown, Hubert Chrzaniuk, Chen Yu).
 
 /
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Merge tag 'pm+acpi-4.6-rc1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management and ACPI updates from Rafael Wysocki:
 "This time the majority of changes go into cpufreq and they are
  significant.

  First off, the way CPU frequency updates are triggered is different
  now.  Instead of having to set up and manage a deferrable timer for
  each CPU in the system to evaluate and possibly change its frequency
  periodically, cpufreq governors set up callbacks to be invoked by the
  scheduler on a regular basis (basically on utilization updates).  The
  "old" governors, "ondemand" and "conservative", still do all of their
  work in process context (although that is triggered by the scheduler
  now), but intel_pstate does it all in the callback invoked by the
  scheduler with no need for any additional asynchronous processing.

  Of course, this eliminates the overhead related to the management of
  all those timers, but also it allows the cpufreq governor code to be
  simplified quite a bit.  On top of that, the common code and data
  structures used by the "ondemand" and "conservative" governors are
  cleaned up and made more straightforward and some long-standing and
  quite annoying problems are addressed.  In particular, the handling of
  governor sysfs attributes is modified and the related locking becomes
  more fine grained which allows some concurrency problems to be avoided
  (particularly deadlocks with the core cpufreq code).

  In principle, the new mechanism for triggering frequency updates
  allows utilization information to be passed from the scheduler to
  cpufreq.  Although the current code doesn't make use of it, in the
  works is a new cpufreq governor that will make decisions based on the
  scheduler's utilization data.  That should allow the scheduler and
  cpufreq to work more closely together in the long run.

  In addition to the core and governor changes, cpufreq drivers are
  updated too.  Fixes and optimizations go into intel_pstate, the
  cpufreq-dt driver is updated on top of some modification in the
  Operating Performance Points (OPP) framework and there are fixes and
  other updates in the powernv cpufreq driver.

  Apart from the cpufreq updates there is some new ACPICA material,
  including a fix for a problem introduced by previous ACPICA updates,
  and some less significant changes in the ACPI code, like CPPC code
  optimizations, ACPI processor driver cleanups and support for loading
  ACPI tables from initrd.

  Also updated are the generic power domains framework, the Intel RAPL
  power capping driver and the turbostat utility and we have a bunch of
  traditional assorted fixes and cleanups.

  Specifics:

   - Redesign of cpufreq governors and the intel_pstate driver to make
     them use callbacks invoked by the scheduler to trigger CPU
     frequency evaluation instead of using per-CPU deferrable timers for
     that purpose (Rafael Wysocki).

   - Reorganization and cleanup of cpufreq governor code to make it more
     straightforward and fix some concurrency problems in it (Rafael
     Wysocki, Viresh Kumar).

   - Cleanup and improvements of locking in the cpufreq core (Viresh
     Kumar).

   - Assorted cleanups in the cpufreq core (Rafael Wysocki, Viresh
     Kumar, Eric Biggers).

   - intel_pstate driver updates including fixes, optimizations and a
     modification to make it enable enable hardware-coordinated P-state
     selection (HWP) by default if supported by the processor (Philippe
     Longepe, Srinivas Pandruvada, Rafael Wysocki, Viresh Kumar, Felipe
     Franciosi).

   - Operating Performance Points (OPP) framework updates to improve its
     handling of voltage regulators and device clocks and updates of the
     cpufreq-dt driver on top of that (Viresh Kumar, Jon Hunter).

   - Updates of the powernv cpufreq driver to fix initialization and
     cleanup problems in it and correct its worker thread handling with
     respect to CPU offline, new powernv_throttle tracepoint (Shilpasri
     Bhat).

   - ACPI cpufreq driver optimization and cleanup (Rafael Wysocki).

   - ACPICA updates including one fix for a regression introduced by
     previos changes in the ACPICA code (Bob Moore, Lv Zheng, David Box,
     Colin Ian King).

   - Support for installing ACPI tables from initrd (Lv Zheng).

   - Optimizations of the ACPI CPPC code (Prashanth Prakash, Ashwin
     Chaugule).

   - Support for _HID(ACPI0010) devices (ACPI processor containers) and
     ACPI processor driver cleanups (Sudeep Holla).

   - Support for ACPI-based enumeration of the AMBA bus (Graeme Gregory,
     Aleksey Makarov).

   - Modification of the ACPI PCI IRQ management code to make it treat
     255 in the Interrupt Line register as "not connected" on x86 (as
     per the specification) and avoid attempts to use that value as a
     valid interrupt vector (Chen Fan).

   - ACPI APEI fixes related to resource leaks (Josh Hunt).

   - Removal of modularity from a few ACPI drivers (BGRT, GHES,
     intel_pmic_crc) that cannot be built as modules in practice (Paul
     Gortmaker).

   - PNP framework update to make it treat ACPI_RESOURCE_TYPE_SERIAL_BUS
     as a valid resource type (Harb Abdulhamid).

   - New device ID (future AMD I2C controller) in the ACPI driver for
     AMD SoCs (APD) and in the designware I2C driver (Xiangliang Yu).

   - Assorted ACPI cleanups (Colin Ian King, Kaiyen Chang, Oleg Drokin).

   - cpuidle menu governor optimization to avoid a square root
     computation in it (Rasmus Villemoes).

   - Fix for potential use-after-free in the generic device properties
     framework (Heikki Krogerus).

   - Updates of the generic power domains (genpd) framework including
     support for multiple power states of a domain, fixes and debugfs
     output improvements (Axel Haslam, Jon Hunter, Laurent Pinchart,
     Geert Uytterhoeven).

   - Intel RAPL power capping driver updates to reduce IPI overhead in
     it (Jacob Pan).

   - System suspend/hibernation code cleanups (Eric Biggers, Saurabh
     Sengar).

   - Year 2038 fix for the process freezer (Abhilash Jindal).

   - turbostat utility updates including new features (decoding of more
     registers and CPUID fields, sub-second intervals support, GFX MHz
     and RC6 printout, --out command line option), fixes (syscall jitter
     detection and workaround, reductioin of the number of syscalls
     made, fixes related to Xeon x200 processors, compiler warning
     fixes) and cleanups (Len Brown, Hubert Chrzaniuk, Chen Yu)"

* tag 'pm+acpi-4.6-rc1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (182 commits)
  tools/power turbostat: bugfix: TDP MSRs print bits fixing
  tools/power turbostat: correct output for MSR_NHM_SNB_PKG_CST_CFG_CTL dump
  tools/power turbostat: call __cpuid() instead of __get_cpuid()
  tools/power turbostat: indicate SMX and SGX support
  tools/power turbostat: detect and work around syscall jitter
  tools/power turbostat: show GFX%rc6
  tools/power turbostat: show GFXMHz
  tools/power turbostat: show IRQs per CPU
  tools/power turbostat: make fewer systems calls
  tools/power turbostat: fix compiler warnings
  tools/power turbostat: add --out option for saving output in a file
  tools/power turbostat: re-name "%Busy" field to "Busy%"
  tools/power turbostat: Intel Xeon x200: fix turbo-ratio decoding
  tools/power turbostat: Intel Xeon x200: fix erroneous bclk value
  tools/power turbostat: allow sub-sec intervals
  ACPI / APEI: ERST: Fixed leaked resources in erst_init
  ACPI / APEI: Fix leaked resources
  intel_pstate: Do not skip samples partially
  intel_pstate: Remove freq calculation from intel_pstate_calc_busy()
  intel_pstate: Move intel_pstate_calc_busy() into get_target_pstate_use_performance()
  ...
2016-03-16 14:10:53 -07:00
Linus Torvalds
271ecc5253 Merge branch 'akpm' (patches from Andrew)
Merge first patch-bomb from Andrew Morton:

 - some misc things

 - ofs2 updates

 - about half of MM

 - checkpatch updates

 - autofs4 update

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (120 commits)
  autofs4: fix string.h include in auto_dev-ioctl.h
  autofs4: use pr_xxx() macros directly for logging
  autofs4: change log print macros to not insert newline
  autofs4: make autofs log prints consistent
  autofs4: fix some white space errors
  autofs4: fix invalid ioctl return in autofs4_root_ioctl_unlocked()
  autofs4: fix coding style line length in autofs4_wait()
  autofs4: fix coding style problem in autofs4_get_set_timeout()
  autofs4: coding style fixes
  autofs: show pipe inode in mount options
  kallsyms: add support for relative offsets in kallsyms address table
  kallsyms: don't overload absolute symbol type for percpu symbols
  x86: kallsyms: disable absolute percpu symbols on !SMP
  checkpatch: fix another left brace warning
  checkpatch: improve UNSPECIFIED_INT test for bare signed/unsigned uses
  checkpatch: warn on bare unsigned or signed declarations without int
  checkpatch: exclude asm volatile from complex macro check
  mm: memcontrol: drop unnecessary lru locking from mem_cgroup_migrate()
  mm: migrate: consolidate mem_cgroup_migrate() calls
  mm/compaction: speed up pageblock_pfn_to_page() when zone is contiguous
  ...
2016-03-16 11:51:08 -07:00
Linus Torvalds
10dc374766 One of the largest releases for KVM... Hardly any generic improvement,
but lots of architecture-specific changes.
 
 * ARM:
 - VHE support so that we can run the kernel at EL2 on ARMv8.1 systems
 - PMU support for guests
 - 32bit world switch rewritten in C
 - various optimizations to the vgic save/restore code.
 
 * PPC:
 - enabled KVM-VFIO integration ("VFIO device")
 - optimizations to speed up IPIs between vcpus
 - in-kernel handling of IOMMU hypercalls
 - support for dynamic DMA windows (DDW).
 
 * s390:
 - provide the floating point registers via sync regs;
 - separated instruction vs. data accesses
 - dirty log improvements for huge guests
 - bugfixes and documentation improvements.
 
 * x86:
 - Hyper-V VMBus hypercall userspace exit
 - alternative implementation of lowest-priority interrupts using vector
 hashing (for better VT-d posted interrupt support)
 - fixed guest debugging with nested virtualizations
 - improved interrupt tracking in the in-kernel IOAPIC
 - generic infrastructure for tracking writes to guest memory---currently
 its only use is to speedup the legacy shadow paging (pre-EPT) case, but
 in the future it will be used for virtual GPUs as well
 - much cleanup (LAPIC, kvmclock, MMU, PIT), including ubsan fixes.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM updates from Paolo Bonzini:
 "One of the largest releases for KVM...  Hardly any generic
  changes, but lots of architecture-specific updates.

  ARM:
   - VHE support so that we can run the kernel at EL2 on ARMv8.1 systems
   - PMU support for guests
   - 32bit world switch rewritten in C
   - various optimizations to the vgic save/restore code.

  PPC:
   - enabled KVM-VFIO integration ("VFIO device")
   - optimizations to speed up IPIs between vcpus
   - in-kernel handling of IOMMU hypercalls
   - support for dynamic DMA windows (DDW).

  s390:
   - provide the floating point registers via sync regs;
   - separated instruction vs.  data accesses
   - dirty log improvements for huge guests
   - bugfixes and documentation improvements.

  x86:
   - Hyper-V VMBus hypercall userspace exit
   - alternative implementation of lowest-priority interrupts using
     vector hashing (for better VT-d posted interrupt support)
   - fixed guest debugging with nested virtualizations
   - improved interrupt tracking in the in-kernel IOAPIC
   - generic infrastructure for tracking writes to guest
     memory - currently its only use is to speedup the legacy shadow
     paging (pre-EPT) case, but in the future it will be used for
     virtual GPUs as well
   - much cleanup (LAPIC, kvmclock, MMU, PIT), including ubsan fixes"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (217 commits)
  KVM: x86: remove eager_fpu field of struct kvm_vcpu_arch
  KVM: x86: disable MPX if host did not enable MPX XSAVE features
  arm64: KVM: vgic-v3: Only wipe LRs on vcpu exit
  arm64: KVM: vgic-v3: Reset LRs at boot time
  arm64: KVM: vgic-v3: Do not save an LR known to be empty
  arm64: KVM: vgic-v3: Save maintenance interrupt state only if required
  arm64: KVM: vgic-v3: Avoid accessing ICH registers
  KVM: arm/arm64: vgic-v2: Make GICD_SGIR quicker to hit
  KVM: arm/arm64: vgic-v2: Only wipe LRs on vcpu exit
  KVM: arm/arm64: vgic-v2: Reset LRs at boot time
  KVM: arm/arm64: vgic-v2: Do not save an LR known to be empty
  KVM: arm/arm64: vgic-v2: Move GICH_ELRSR saving to its own function
  KVM: arm/arm64: vgic-v2: Save maintenance interrupt state only if required
  KVM: arm/arm64: vgic-v2: Avoid accessing GICH registers
  KVM: s390: allocate only one DMA page per VM
  KVM: s390: enable STFLE interpretation only if enabled for the guest
  KVM: s390: wake up when the VCPU cpu timer expires
  KVM: s390: step the VCPU timer while in enabled wait
  KVM: s390: protect VCPU cpu timer with a seqcount
  KVM: s390: step VCPU cpu timer during kvm_run ioctl
  ...
2016-03-16 09:55:35 -07:00
Linus Torvalds
047486d8e7 EDAC queue for 4.6
* Altera: L2 cache and On-Chip RAM support (Thor Thayer).
 
 * EDAC: Workqueue handling cleanups (Borislav Petkov).
 
 * Xgene: Register bus error handling (Loc Ho).
 
 * Misc small fixes.
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Merge tag 'edac_for_4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp

Pull EDAC updates from Borislav Petkov:

 - Altera: L2 cache and On-Chip RAM support (Thor Thayer).

 - EDAC: Workqueue handling cleanups (Borislav Petkov).

 - Xgene: Register bus error handling (Loc Ho).

 - Misc small fixes.

* tag 'edac_for_4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
  ARM: socfpga: Enable OCRAM ECC on startup
  ARM: socfpga: Enable L2 cache ECC on startup
  ARM: dts: Add Altera L2 Cache and OCRAM EDAC entries
  EDAC, altera: Add Altera L2 cache and OCRAM support
  EDAC: Use edac_debugfs_remove_recursive() in edac_debugfs_exit()
  EDAC, mpc85xx: Silence unused variable warning
  EDAC: Cleanup/sync workqueue functions
  EDAC: Kill workqueue setup/teardown functions
  EDAC: Balance workqueue setup and teardown
  arm64: Update the APM X-Gene EDAC node with the RB register resource
  EDAC, xgene: Add missing SoC register bus error handling
  Documentation, EDAC: Update xgene binding for missing register bus
  EDAC, amd64_edac: Shift wrapping issue in f1x_get_norm_dct_addr()
2016-03-16 08:36:55 -07:00
Linus Torvalds
9256d5a308 LED core improvements:
- Fix misleading comment after workqueue removal from drivers.
 
 - Avoid error message when a USB LED device is unplugged.
 
 - Add helpers for calling brightness_set(_blocking)
 
 LED triggers:
 
 - Simplify led_trigger_store by using sysfs_streq().
 
 LED class drivers improvements:
 
 - Improve wording and formatting in a comment: lp3944.
 
 - Fix return value check in create_gpio_led(): leds-gpio.
 
 - Use GPIOF_OUT_INIT_LOW instead of hardcoded zero: leds-gpio.
 
 - Use devm_led_classdev_register(): leds-lm3533, leds-lm3533, leds-lp8788,
   leds-wm831x-status, leds-s3c24xx, leds-s3c24xx, leds: max8997.
 
 New LED class driver:
 
 - Add driver for the ISSI IS31FL32xx family of LED controllers.
 
 Device Tree documentation:
 
 - of: Add vendor prefixes for Integrated Silicon Solutions Inc. (issi)
   and Si-En Technology (si-en).
 
 - DT: Add common bindings for Si-En Technology SN3216/18 and IS31FL32xx
   family of LED controllers, since they seem to be the same hardware,
   just rebranded.
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Merge tag 'leds_for_4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds

Pull LED updates from Jacek Anaszewski:
 "LED core improvements:
   - Fix misleading comment after workqueue removal from drivers
   - Avoid error message when a USB LED device is unplugged
   - Add helpers for calling brightness_set(_blocking)

  LED triggers:
   - Simplify led_trigger_store by using sysfs_streq()

  LED class drivers improvements:
   - Improve wording and formatting in a comment: lp3944
   - Fix return value check in create_gpio_led(): leds-gpio
   - Use GPIOF_OUT_INIT_LOW instead of hardcoded zero: leds-gpio
   - Use devm_led_classdev_register(): leds-lm3533, leds-lm3533,
     leds-lp8788, leds-wm831x-status, leds-s3c24xx, leds-s3c24xx,
     leds-max8997.

  New LED class driver:
   - Add driver for the ISSI IS31FL32xx family of LED controllers.

  Device Tree documentation:
   - of: Add vendor prefixes for Integrated Silicon Solutions Inc.
     (issi) and Si-En Technology (si-en).
   - DT: Add common bindings for Si-En Technology SN3216/18 and
     IS31FL32xx family of LED controllers, since they seem to be the
     same hardware, just rebranded"

* tag 'leds_for_4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
  leds: triggers: simplify led_trigger_store
  leds: max8997: Use devm_led_classdev_register
  leds: da903x: Use devm_led_classdev_register
  leds: s3c24xx: Use devm_led_classdev_register
  leds: wm831x-status: Use devm_led_classdev_register
  leds: lp8788: Use devm_led_classdev_register
  leds: 88pm860x: Use devm_led_classdev_register
  leds: Add SN3218 and SN3216 support to the IS31FL32XX driver
  of: Add vendor prefix for Si-En Technology
  leds: Add driver for the ISSI IS31FL32xx family of LED controllers
  DT: leds: Add binding for the ISSI IS31FL32xx family of LED controllers
  DT: Add vendor prefix for Integrated Silicon Solutions Inc.
  leds: lm3533: Use devm_led_classdev_register
  leds: gpio: Use GPIOF_OUT_INIT_LOW instead of hardcoded zero
  leds: core: add helpers for calling brightness_set(_blocking)
  leds: leds-gpio: Fix return value check in create_gpio_led()
  leds: lp3944: improve wording and formatting in a comment
  leds: core: avoid error message when a USB LED device is unplugged
  leds: core: fix misleading comment after workqueue removal from drivers
2016-03-15 22:04:53 -07:00
Linus Torvalds
13f6f62f61 RTC for 4.6
Core:
  - New sysfs interface to set and read clock offset
  - Drivers can now be both I2C and SPI (see pcf2127 and ds3232)
 
 New drivers:
  - Alphascale ASM9260
  - Epson RX6110SA
  - Maxim max20024 and max77620 (in max77686)
  - Microchip PIC32
  - NXP pcf2129 (in pcf2127)
 
 Subsystem wide cleanups:
  - remove IRQF_EARLY_RESUME when unecessary
 
 Drivers:
  - ds1307: clock output, temperature sensor and wakeup-source support
  - ds1685: actually spin forever in poweroff error path
  - ds3232: many cleanups
  - ds3234: merged in ds3232
  - hym8563: fix invalid year calculation
  - max77686: many cleanups
  - max77802 merged in max77686
  - pcf2123: cleanups and offset support
  - pcf85063: cleanups
  - pcf8523: propely handle oscillator stop bit
  - rv3029: many cleanups, trickle charger and temperature sensor support
  - rv8803: convert spin_lock to mutex_lock
  - rx8025: many fixes
  - vr41xx: restore alarm_irq_enable
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Merge tag 'rtc-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "Core:
   - New sysfs interface to set and read clock offset
   - Drivers can now be both I2C and SPI (see pcf2127 and ds3232)

  New drivers:
   - Alphascale ASM9260
   - Epson RX6110SA
   - Maxim max20024 and max77620 (in max77686)
   - Microchip PIC32
   - NXP pcf2129 (in pcf2127)

  Subsystem wide cleanups:
   - remove IRQF_EARLY_RESUME when unecessary

  Drivers:
   - ds1307: clock output, temperature sensor and wakeup-source support
   - ds1685: actually spin forever in poweroff error path
   - ds3232: many cleanups
   - ds3234: merged in ds3232
   - hym8563: fix invalid year calculation
   - max77686: many cleanups
   - max77802 merged in max77686
   - pcf2123: cleanups and offset support
   - pcf85063: cleanups
   - pcf8523: propely handle oscillator stop bit
   - rv3029: many cleanups, trickle charger and temperature sensor support
   - rv8803: convert spin_lock to mutex_lock
   - rx8025: many fixes
   - vr41xx: restore alarm_irq_enable"

* tag 'rtc-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (86 commits)
  rtc: pcf2127: add pcf2129 device id
  rtc: pcf2127: add support for spi interface
  rtc: pcf2127: convert to use regmap
  rtc: rv3029: Add thermometer hwmon support
  rtc: rv3029: Add update_bits helper for eeprom access
  rtc: ds1685: actually spin forever in poweroff error path
  rtc: hym8563: fix invalid year calculation
  rtc: ds3232: use rtc->ops_lock to protect alarm operations
  rtc: ds3232: fix issue when irq is shared several devices
  rtc: ds3232: remove unused UIE code
  rtc: ds3232: add register access error checks
  rtc: ds3232: fix read on /dev/rtc after RTC_AIE_ON
  rtc: merge ds3232 and ds3234
  rtc: ds3232: convert to use regmap
  rtc: pxa: fix Kconfig indentation
  rtc: rv3029: Add device tree property for trickle charger
  rtc: rv3029: Add functions for EEPROM access
  rtc: rv3029: Add i2c register update-bits helper
  rtc: rv3029: Add missing register definitions
  rtc: rv3029: Add "rv3029" I2C device id
  ...
2016-03-15 21:58:58 -07:00
Linus Torvalds
f0718cea47 hwmon updates for v4.5:
- New drivers for NSA320 and LTC2990
 - Added support for ADM1278 to adm1275 driver
 - Added support for ncpXXxh103 to ntc_thermistor driver
 - Renamed vexpress hwmon implementation
 - Minor cleanups and improvements
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Merge tag 'hwmon-for-linus-v4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:
 - New drivers for NSA320 and LTC2990
 - Added support for ADM1278 to adm1275 driver
 - Added support for ncpXXxh103 to ntc_thermistor driver
 - Renamed vexpress hwmon implementation
 - Minor cleanups and improvements

* tag 'hwmon-for-linus-v4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: Create an NSA320 hardware monitoring driver
  hwmon: Define binding for the nsa320-hwmon driver
  hwmon: (adm1275) Add support for ADM1278
  hwmon: (ntc_thermistor) Add support for ncpXXxh103
  Doc: hwmon: Fix typo "montoring" in hwmon
  ARM: dts: vfxxx: Add iio_hwmon node for ADC temperature channel
  ARM: dts: Change iio_hwmon nodes to use hypen in node names
  hwmon: (iio_hwmon) Allow the driver to accept hypen in device tree node names
  hwmon: Add LTC2990 sensor driver
  hwmon: (vexpress) rename vexpress hwmon implementation
2016-03-15 21:44:47 -07:00
Linus Torvalds
555f8160b2 regulator: Updates for v4.6
This has been an extremely quiet release for the regulator API, aside
 from bugfixes and small enhancements the only thing that really stands
 out are the new drivers for Action Semiconductors ACT8945A, HiSilicon
 HI665x, and the Maxim MAX20024 and MAX77620.
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Merge tag 'regulator-v4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "This has been an extremely quiet release for the regulator API, aside
  from bugfixes and small enhancements the only thing that really stands
  out are the new drivers for Action Semiconductors ACT8945A, HiSilicon
  HI665x, and the Maxim MAX20024 and MAX77620"

* tag 'regulator-v4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (46 commits)
  regulator: pwm: Add support to have multiple instance of pwm regulator
  regulator: pwm: Fix calculation of voltage-to-duty cycle
  regulator: of: Use of_property_read_u32() for reading min/max
  regulator: pv88060: fix incorrect clear of event register
  regulator: pv88090: fix incorrect clear of event register
  regulator: max77620: Add support to configure active-discharge
  regulator: core: Add support for active-discharge configuration
  regulator: helper: Add helper to configure active-discharge using regmap
  regulator: core: Add support for active-discharge configuration
  regulator: DT: Add DT property for active-discharge configuration
  regulator: act8865: Specify fixed voltage of 3.3V for ACT8600's REG9
  regulator: act8865: Rename platform_data field to init_data
  regulator: act8865: Remove "static" from local variable
  ASoC: cs4271: add regulator consumer support
  regulator: max77620: Remove duplicate module alias
  regulator: max77620: Eliminate duplicate code
  regulator: max77620: Remove unused fields
  regulator: core: fix crash in error path of regulator_register
  regulator: core: Request GPIO before creating sysfs entries
  regulator: gpio: don't print error on EPROBE_DEFER
  ...
2016-03-15 21:34:35 -07:00
Linus Torvalds
b7aae4a9d0 regmap: Updates for v4.6
This has been a very busy release for regmap, not just in cleaning up
 the mess we got ourselves into with the endianness handling but also in
 other areas too:
 
  - Fixes for the endianness handling so that we now explicltly default
    to little endian (the code used to do this by accident).  This
    fixes handling of explictly specified endianness on big endian
    systems.
  - Optimisation of the implementation of register striding.
  - A refectoring of the _update_bits() code to reduce duplication.
  - Fixes and enhancements for the interrupt implementation which
    make it easier to use in a wider range of systems.
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Merge tag 'regmap-v4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap updates from Mark Brown:
 "This has been a very busy release for regmap, not just in cleaning up
  the mess we got ourselves into with the endianness handling but also
  in other areas too:

   - Fixes for the endianness handling so that we now explicitly default
     to little endian (the code used to do this by accident).  This
     fixes handling of explictly specified endianness on big endian
     systems.

   - Optimisation of the implementation of register striding.

   - A refectoring of the _update_bits() code to reduce duplication.

   - Fixes and enhancements for the interrupt implementation which make
     it easier to use in a wider range of systems"

* tag 'regmap-v4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: (28 commits)
  regmap: irq: add devm apis for regmap_{add,del}_irq_chip
  regmap: replace regmap_write_bits()
  regmap: irq: Enable irq retriggering for nested irqs
  regmap: add regmap_fields_force_xxx() macros
  regmap: add regmap_field_force_xxx() macros
  regmap: merge regmap_fields_update_bits() into macro
  regmap: merge regmap_fields_write() into macro
  regmap: add regmap_fields_update_bits_base()
  regmap: merge regmap_field_update_bits() into macro
  regmap: merge regmap_field_write() into macro
  regmap: add regmap_field_update_bits_base()
  regmap: merge regmap_update_bits_check_async() into macro
  regmap: merge regmap_update_bits_check() into macro
  regmap: merge regmap_update_bits_async() into macro
  regmap: merge regmap_update_bits() into macro
  regmap: add regmap_update_bits_base()
  regcache: flat: Introduce register strider order
  regcache: Introduce the index parsing API by stride order
  regmap: core: Introduce register stride order
  regmap: irq: add devm apis for regmap_{add,del}_irq_chip
  ...
2016-03-15 21:22:26 -07:00
Linus Torvalds
ff280e3639 spi: Updates for v4.6
Not the biggest set of changes for SPI but a bit of a pickup in activity
 on the core:
 
  - Support for memory mapped read from flash devices via a SPI
    controller.
  - The beginnings of a message rewriting framework in the core which
    should in time allow us to support transforming messages to work
    around the limits of controllers or optimise the performance for
    controllers transparently to calling drivers.
  - Updates to the PXA2xx, the main functional change being to improve
    the ACPI support.
  - A new driver for the Analog Devices AXI SPI engine.
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Merge tag 'spi-v4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "Not the biggest set of changes for SPI but a bit of a pickup in
  activity on the core:

   - Support for memory mapped read from flash devices via a SPI
     controller.

   - The beginnings of a message rewriting framework in the core which
     should in time allow us to support transforming messages to work
     around the limits of controllers or optimise the performance for
     controllers transparently to calling drivers.

   - Updates to the PXA2xx, the main functional change being to improve
     the ACPI support.

   - A new driver for the Analog Devices AXI SPI engine"

* tag 'spi-v4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (66 commits)
  spi: Add gfp parameter to kernel-doc to fix build warning
  spi: Fix htmldocs build error due struct spi_replaced_transfers
  spi: rockchip: covert rsd_nsecs to u32 type
  spi: rockchip: header file cleanup
  spi: xilinx: Add devicetree binding for spi-xilinx
  spi: respect the maximum segment size of DMA device
  spi: rockchip: check requesting dma channel with EPROBE_DEFER
  spi: rockchip: migrate to dmaengine_terminate_async
  spi: rockchip: check return value of dmaengine_prep_slave_sg
  spi: core: Fix deadlock when sending messages
  spi/rockchip: fix endian mode for 16-bit transfers
  spi/rockchip: Make sure spi clk is on in rockchip_spi_set_cs
  spi: pxa2xx: Use newer more explicit DMAengine terminate API
  spi: pxa2xx: Add support for Intel Broxton B-Step
  spi: lp-8841: return correct error code from probe
  spi: imx: drop bogus tests for rx/tx bufs in DMA transfer
  spi: imx: set MX51_ECSPI_CTRL_SMC bit in setup function
  spi: imx: make some register defines simpler
  spi: imx: remove unnecessary bit clearing in mx51_ecspi_config
  spi: imx: add support for all SPI word width for DMA
  ...
2016-03-15 21:07:33 -07:00
Linus Torvalds
5ca5446ec5 Pin control changes for kernel v4.6:
An almost purely driver related set of changes with no
 major changes to the framework, only one patch adding
 an unlocked version of the pinctrl_find_gpio_range_from_pin()
 library call.
 
 New drivers:
 - ST Microelectronics STM32 MCU support: this is a non-MMU
   low-end platform for IoT things (etc).
 - Microchip PIC32 MCU support: same story as for STM32.
 
 New subdrivers:
 - Allwinner SunXi H3 R_PIO controller support.
 - Qualcomm IPQ4019 support.
 - MediaTek MT2701 and MT7623.
 - Allwinner A64
 
 Non-critical fixes:
 - gpio_disable_free() for the Vybrid.
 - pinctrl single: use a separate lockdep class.
 
 Misc:
 - Substantial cleanups and rewrites for the Super-H PFC
   driver and subdrivers.
 - Various fixes and cleanups, especially Paul Gortmakers
   work to make nonmodular drivers nonmodular.
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Merge tag 'pinctrl-v4.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control updates from Linus Walleij:
 "An almost purely driver related set of changes with no major changes
  to the framework, only one patch adding an unlocked version of the
  pinctrl_find_gpio_range_from_pin() library call.

  New drivers:
   - ST Microelectronics STM32 MCU support: this is a non-MMU low-end
     platform for IoT things (etc).
   - Microchip PIC32 MCU support: same story as for STM32.

  New subdrivers:
   - Allwinner SunXi H3 R_PIO controller support.
   - Qualcomm IPQ4019 support.
   - MediaTek MT2701 and MT7623.
   - Allwinner A64

  Non-critical fixes:
   - gpio_disable_free() for the Vybrid.
   - pinctrl single: use a separate lockdep class.

  Misc:
   - Substantial cleanups and rewrites for the Super-H PFC driver and
     subdrivers.
   - Various fixes and cleanups, especially Paul Gortmakers work to make
     nonmodular drivers nonmodular"

* tag 'pinctrl-v4.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (75 commits)
  pinctrl: single: Use a separate lockdep class
  drivers: pinctrl: add driver for Allwinner A64 SoC
  pinctrl: Broadcom Northstar2 pinctrl device tree bindings
  pinctrl: amlogic: Make driver independent from two-domain configuration
  pinctrl: amlogic: Separate some pin functions for Meson8 / Meson8b
  pinctrl: at91: use __maybe_unused to hide pm functions
  pinctrl: sh-pfc: core: don't open code of_device_get_match_data()
  pinctrl: uniphier: rename CONFIG options and file names
  pinctrl: sunxi: make A80 explicitly non-modular
  pinctrl: stm32: make explicitly non-modular
  pinctrl: sh-pfc: make explicitly non-modular
  pinctrl: meson: make explicitly non-modular
  pinctrl: pinctrl-mt6397 driver explicitly non-modular
  pinctrl: sunxi: does not need module.h
  pinctrl: pxa2xx: export symbols
  pinctrl: sunxi: Change mux setting on PI irq pins
  pinctrl: sunxi: Remove non existing irq's
  pinctrl: imx: attach iomuxc device to gpr syscon
  pinctrl-bcm2835: Fix cut-and-paste error in "pull" parsing
  pinctrl: lpc1850-scu: document nxp,gpio-pin-interrupt
  ...
2016-03-15 20:23:13 -07:00
Vitaly Kuznetsov
31bc3858ea memory-hotplug: add automatic onlining policy for the newly added memory
Currently, all newly added memory blocks remain in 'offline' state
unless someone onlines them, some linux distributions carry special udev
rules like:

  SUBSYSTEM=="memory", ACTION=="add", ATTR{state}=="offline", ATTR{state}="online"

to make this happen automatically.  This is not a great solution for
virtual machines where memory hotplug is being used to address high
memory pressure situations as such onlining is slow and a userspace
process doing this (udev) has a chance of being killed by the OOM killer
as it will probably require to allocate some memory.

Introduce default policy for the newly added memory blocks in
/sys/devices/system/memory/auto_online_blocks file with two possible
values: "offline" which preserves the current behavior and "online"
which causes all newly added memory blocks to go online as soon as
they're added.  The default is "offline".

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Daniel Kiper <daniel.kiper@oracle.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Tang Chen <tangchen@cn.fujitsu.com>
Cc: David Vrabel <david.vrabel@citrix.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Xishi Qiu <qiuxishi@huawei.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Kay Sievers <kay@vrfy.org>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-03-15 16:55:16 -07:00
Laura Abbott
8823b1dbc0 mm/page_poison.c: enable PAGE_POISONING as a separate option
Page poisoning is currently set up as a feature if architectures don't
have architecture debug page_alloc to allow unmapping of pages.  It has
uses apart from that though.  Clearing of the pages on free provides an
increase in security as it helps to limit the risk of information leaks.
Allow page poisoning to be enabled as a separate option independent of
kernel_map pages since the two features do separate work.  Because of
how hiberanation is implemented, the checks on alloc cannot occur if
hibernation is enabled.  The runtime alloc checks can also be enabled
with an option when !HIBERNATION.

Credit to Grsecurity/PaX team for inspiring this work

Signed-off-by: Laura Abbott <labbott@fedoraproject.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Mathias Krause <minipli@googlemail.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Jianyu Zhan <nasa4836@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-03-15 16:55:16 -07:00
Vlastimil Babka
7dd80b8af0 mm, page_owner: convert page_owner_inited to static key
CONFIG_PAGE_OWNER attempts to impose negligible runtime overhead when
enabled during compilation, but not actually enabled during runtime by
boot param page_owner=on.  This overhead can be further reduced using
the static key mechanism, which this patch does.

Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Sasha Levin <sasha.levin@oracle.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Mel Gorman <mgorman@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-03-15 16:55:16 -07:00
Vlastimil Babka
edf14cdbf9 mm, printk: introduce new format string for flags
In mm we use several kinds of flags bitfields that are sometimes printed
for debugging purposes, or exported to userspace via sysfs.  To make
them easier to interpret independently on kernel version and config, we
want to dump also the symbolic flag names.  So far this has been done
with repeated calls to pr_cont(), which is unreliable on SMP, and not
usable for e.g.  sysfs export.

To get a more reliable and universal solution, this patch extends
printk() format string for pointers to handle the page flags (%pGp),
gfp_flags (%pGg) and vma flags (%pGv).  Existing users of
dump_flag_names() are converted and simplified.

It would be possible to pass flags by value instead of pointer, but the
%p format string for pointers already has extensions for various kernel
structures, so it's a good fit, and the extra indirection in a
non-critical path is negligible.

[linux@rasmusvillemoes.dk: lots of good implementation suggestions]
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Sasha Levin <sasha.levin@oracle.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Mel Gorman <mgorman@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-03-15 16:55:16 -07:00
Taku Izumi
342332e6a9 mm/page_alloc.c: introduce kernelcore=mirror option
This patch extends existing "kernelcore" option and introduces
kernelcore=mirror option.  By specifying "mirror" instead of specifying
the amount of memory, non-mirrored (non-reliable) region will be
arranged into ZONE_MOVABLE.

[akpm@linux-foundation.org: fix build with CONFIG_HAVE_MEMBLOCK_NODE_MAP=n]
Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
Tested-by: Sudeep Holla <sudeep.holla@arm.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Xishi Qiu <qiuxishi@huawei.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Steve Capper <steve.capper@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-03-15 16:55:16 -07:00
Laura Abbott
becfda68ab slub: convert SLAB_DEBUG_FREE to SLAB_CONSISTENCY_CHECKS
SLAB_DEBUG_FREE allows expensive consistency checks at free to be turned
on or off.  Expand its use to be able to turn off all consistency
checks.  This gives a nice speed up if you only want features such as
poisoning or tracing.

Credit to Mathias Krause for the original work which inspired this
series

Signed-off-by: Laura Abbott <labbott@fedoraproject.org>
Acked-by: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <js1304@gmail.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Mathias Krause <minipli@googlemail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-03-15 16:55:16 -07:00
Dmitry Torokhov
245f0db0de Linux 4.5
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Merge tag 'v4.5' into next

Merge with Linux 4.5 to get PROPERTY_ENTRY_INTEGER() that is needed to
fix pxa/raumfeld rotary encoder properties.
2016-03-15 16:54:45 -07:00
Linus Torvalds
df2e37c814 Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
 "The 4.6 pile of irq updates contains:

   - Support for IPI irqdomains to support proper integration of IPIs to
     and from coprocessors.  The first user of this new facility is
     MIPS.  The relevant MIPS patches come with the core to avoid merge
     ordering issues and have been acked by Ralf.

   - A new command line option to set the default interrupt affinity
     mask at boot time.

   - Support for some more new ARM and MIPS interrupt controllers:
     tango, alpine-msix and bcm6345-l1

   - Two small cleanups for x86/apic which we merged into irq/core to
     avoid yet another branch in x86 with two tiny commits.

   - The usual set of updates, cleanups in drivers/irqchip.  Mostly in
     the area of ARM-GIC, arada-37-xp and atmel chips.  Nothing
     outstanding here"

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (56 commits)
  irqchip/irq-alpine-msi: Release the correct domain on error
  irqchip/mxs: Fix error check of of_io_request_and_map()
  irqchip/sunxi-nmi: Fix error check of of_io_request_and_map()
  genirq: Export IRQ functions for module use
  irqchip/gic/realview: Support more RealView DCC variants
  Documentation/bindings: Document the Alpine MSIX driver
  irqchip: Add the Alpine MSIX interrupt controller
  irqchip/gic-v3: Always return IRQ_SET_MASK_OK_DONE in gic_set_affinity
  irqchip/gic-v3-its: Mark its_init() and its children as __init
  irqchip/gic-v3: Remove gic_root_node variable from the ITS code
  irqchip/gic-v3: ACPI: Add redistributor support via GICC structures
  irqchip/gic-v3: Add ACPI support for GICv3/4 initialization
  irqchip/gic-v3: Refactor gic_of_init() for GICv3 driver
  x86/apic: Deinline _flat_send_IPI_mask, save ~150 bytes
  x86/apic: Deinline __default_send_IPI_*, save ~200 bytes
  dt-bindings: interrupt-controller: Add SoC-specific compatible string to Marvell ODMI
  irqchip/mips-gic: Add new DT property to reserve IPIs
  MIPS: Delete smp-gic.c
  MIPS: Make smp CMP, CPS and MT use the new generic IPI functions
  MIPS: Add generic SMP IPI support
  ...
2016-03-15 12:48:48 -07:00
Linus Torvalds
8a284c062e Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates from Thomas Gleixner:
 "The timer department delivers this time:

   - Support for cross clock domain timestamps in the core code plus a
     first user.  That allows more precise timestamping for PTP and
     later for audio and other peripherals.

     The ptp/e1000e patches have been acked by the relevant maintainers
     and are carried in the timer tree to avoid merge ordering issues.

   - Support for unregistering the current clocksource watchdog.  That
     lifts a limitation for switching clocksources which has been there
     from day 1

   - The usual pile of fixes and updates to the core and the drivers.
     Nothing outstanding and exciting"

* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (26 commits)
  time/timekeeping: Work around false positive GCC warning
  e1000e: Adds hardware supported cross timestamp on e1000e nic
  ptp: Add PTP_SYS_OFFSET_PRECISE for driver crosstimestamping
  x86/tsc: Always Running Timer (ART) correlated clocksource
  hrtimer: Revert CLOCK_MONOTONIC_RAW support
  time: Add history to cross timestamp interface supporting slower devices
  time: Add driver cross timestamp interface for higher precision time synchronization
  time: Remove duplicated code in ktime_get_raw_and_real()
  time: Add timekeeping snapshot code capturing system time and counter
  time: Add cycles to nanoseconds translation
  jiffies: Use CLOCKSOURCE_MASK instead of constant
  clocksource: Introduce clocksource_freq2mult()
  clockevents/drivers/exynos_mct: Implement ->set_state_oneshot_stopped()
  clockevents/drivers/arm_global_timer: Implement ->set_state_oneshot_stopped()
  clockevents/drivers/arm_arch_timer: Implement ->set_state_oneshot_stopped()
  clocksource/drivers/arm_global_timer: Register delay timer
  clocksource/drivers/lpc32xx: Support timer-based ARM delay
  clocksource/drivers/lpc32xx: Support periodic mode
  clocksource/drivers/lpc32xx: Don't use the prescaler counter for clockevents
  clocksource/drivers/rockchip: Add err handle for rk_timer_init
  ...
2016-03-15 12:13:56 -07:00
Linus Torvalds
13c76ad872 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 main changes in this cycle were:

   - Enable full ASLR randomization for 32-bit programs (Hector
     Marco-Gisbert)

   - Add initial minimal INVPCI support, to flush global mappings (Andy
     Lutomirski)

   - Add KASAN enhancements (Andrey Ryabinin)

   - Fix mmiotrace for huge pages (Karol Herbst)

   - ... misc cleanups and small enhancements"

* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/mm/32: Enable full randomization on i386 and X86_32
  x86/mm/kmmio: Fix mmiotrace for hugepages
  x86/mm: Avoid premature success when changing page attributes
  x86/mm/ptdump: Remove paravirt_enabled()
  x86/mm: Fix INVPCID asm constraint
  x86/dmi: Switch dmi_remap() from ioremap() [uncached] to ioremap_cache()
  x86/mm: If INVPCID is available, use it to flush global mappings
  x86/mm: Add a 'noinvpcid' boot option to turn off INVPCID
  x86/mm: Add INVPCID helpers
  x86/kasan: Write protect kasan zero shadow
  x86/kasan: Clear kasan_zero_page after TLB flush
  x86/mm/numa: Check for failures in numa_clear_kernel_node_hotplug()
  x86/mm/numa: Clean up numa_clear_kernel_node_hotplug()
  x86/mm: Make kmap_prot into a #define
  x86/mm/32: Set NX in __supported_pte_mask before enabling paging
  x86/mm: Streamline and restore probe_memory_block_size()
2016-03-15 10:45:39 -07:00
Linus Torvalds
9cf8d6360c Merge branch 'x86-microcode-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 microcode updates from Ingo Molnar:
 "The biggest change in this cycle was the separation of the microcode
  loading mechanism from the initrd code plus the support of built-in
  microcode images.

  There were also lots cleanups and general restructuring (by Borislav
  Petkov)"

* 'x86-microcode-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
  x86/microcode/intel: Drop orig_sum from ext signature checksum
  x86/microcode/intel: Improve microcode sanity-checking error messages
  x86/microcode/intel: Merge two consecutive if-statements
  x86/microcode/intel: Get rid of DWSIZE
  x86/microcode/intel: Change checksum variables to u32
  x86/microcode: Use kmemdup() rather than duplicating its implementation
  x86/microcode: Remove unnecessary paravirt_enabled check
  x86/microcode: Document builtin microcode loading method
  x86/microcode/AMD: Issue microcode updated message later
  x86/microcode/intel: Cleanup get_matching_model_microcode()
  x86/microcode/intel: Remove unused arg of get_matching_model_microcode()
  x86/microcode/intel: Rename mc_saved_in_initrd
  x86/microcode/intel: Use *wrmsrl variants
  x86/microcode/intel: Cleanup apply_microcode_intel()
  x86/microcode/intel: Move the BUG_ON up and turn it into WARN_ON
  x86/microcode/intel: Rename mc_intel variable to mc
  x86/microcode/intel: Rename mc_saved_count to num_saved
  x86/microcode/intel: Rename local variables of type struct mc_saved_data
  x86/microcode/AMD: Drop redundant printk prefix
  x86/microcode: Issue update message only once
  ...
2016-03-15 10:39:22 -07:00
Linus Torvalds
ba33ea811e Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 asm updates from Ingo Molnar:
 "This is another big update. Main changes are:

   - lots of x86 system call (and other traps/exceptions) entry code
     enhancements.  In particular the complex parts of the 64-bit entry
     code have been migrated to C code as well, and a number of dusty
     corners have been refreshed.  (Andy Lutomirski)

   - vDSO special mapping robustification and general cleanups (Andy
     Lutomirski)

   - cpufeature refactoring, cleanups and speedups (Borislav Petkov)

   - lots of other changes ..."

* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (64 commits)
  x86/cpufeature: Enable new AVX-512 features
  x86/entry/traps: Show unhandled signal for i386 in do_trap()
  x86/entry: Call enter_from_user_mode() with IRQs off
  x86/entry/32: Change INT80 to be an interrupt gate
  x86/entry: Improve system call entry comments
  x86/entry: Remove TIF_SINGLESTEP entry work
  x86/entry/32: Add and check a stack canary for the SYSENTER stack
  x86/entry/32: Simplify and fix up the SYSENTER stack #DB/NMI fixup
  x86/entry: Only allocate space for tss_struct::SYSENTER_stack if needed
  x86/entry: Vastly simplify SYSENTER TF (single-step) handling
  x86/entry/traps: Clear DR6 early in do_debug() and improve the comment
  x86/entry/traps: Clear TIF_BLOCKSTEP on all debug exceptions
  x86/entry/32: Restore FLAGS on SYSEXIT
  x86/entry/32: Filter NT and speed up AC filtering in SYSENTER
  x86/entry/compat: In SYSENTER, sink AC clearing below the existing FLAGS test
  selftests/x86: In syscall_nt, test NT|TF as well
  x86/asm-offsets: Remove PARAVIRT_enabled
  x86/entry/32: Introduce and use X86_BUG_ESPFIX instead of paravirt_enabled
  uprobes: __create_xol_area() must nullify xol_mapping.fault
  x86/cpufeature: Create a new synthetic cpu capability for machine check recovery
  ...
2016-03-15 09:32:27 -07:00
Bjorn Helgaas
562df5c852 Merge branch 'pci/host-designware' into next
* pci/host-designware:
  PCI: designware: Add driver for prototyping kits based on ARC SDP
  PCI: designware: Add default link up check if sub-driver doesn't override
  PCI: designware: Add generic dw_pcie_wait_for_link()
  ARC: Add PCI support
2016-03-15 08:55:52 -05:00
Bjorn Helgaas
c334f9c89e Merge branches 'pci/host-altera', 'pci/host-imx6', 'pci/host-keystone', 'pci/host-rcar', 'pci/host-tegra', 'pci/host-thunder', 'pci/host-vmd', 'pci/host-xilinx' and 'pci/host-xilinx-nwl' into next
* pci/host-altera:
  PCI: altera: Fix altera_pcie_link_is_up()

* pci/host-imx6:
  PCI: imx6: Add DT bindings to configure PHY Tx driver settings

* pci/host-keystone:
  PCI: keystone: Defer probing if devm_phy_get() returns -EPROBE_DEFER

* pci/host-rcar:
  PCI: rcar: Depend on ARCH_RENESAS, not ARCH_SHMOBILE

* pci/host-tegra:
  PCI: tegra: Remove misleading PHYS_OFFSET
  PCI: tegra: Track bus -> CPU mapping
  PCI: tegra: Remove unused struct tegra_pcie.num_ports field
  PCI: tegra: Implement ->{add,remove}_bus() callbacks
  PCI: Add pci_ops.{add,remove}_bus() callbacks

* pci/host-thunder:
  PCI: thunder: Add driver for ThunderX-pass{1,2} on-chip devices
  PCI: thunder: Add PCIe host driver for ThunderX processors
  PCI: generic: Expose pci_host_common_probe() for use by other drivers
  PCI: generic: Add pci_host_common_probe(), based on gen_pci_probe()
  PCI: generic: Move structure definitions to separate header file

* pci/host-vmd:
  x86/PCI: VMD: Attach VMD resources to parent domain's resource tree
  x86/PCI: VMD: Set bus resource start to 0
  x86/PCI: VMD: Document code for maintainability

* pci/host-xilinx:
  microblaze/PCI: Support generic Xilinx AXI PCIe Host Bridge IP driver
  PCI: xilinx: Update Zynq binding with Microblaze node
  PCI: xilinx: Don't call pci_fixup_irqs() on Microblaze
  PCI: xilinx: Remove dependency on ARM-specific struct hw_pci
  PCI: xilinx: Use of_pci_get_host_bridge_resources() to parse DT

* pci/host-xilinx-nwl:
  PCI: xilinx-nwl: Add support for Xilinx NWL PCIe Host Controller
2016-03-15 08:55:19 -05:00
Joao Pinto
5a3aa2a8fa PCI: designware: Add driver for prototyping kits based on ARC SDP
Add a reference platform driver for PCI RC IP Protoyping Kits based on the
ARC SDP.

[bhelgaas: changelog, split patch up, MAINTAINERS update]
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Pratyush Anand <pratyush.anand@gmail.com>
2016-03-15 08:50:45 -05:00
Mauro Carvalho Chehab
8331c055b2 Merge commit '840f5b0572ea' into v4l_for_linus
* commit '840f5b0572ea': (381 commits)
  media: au0828 disable tuner to demod link in au0828_media_device_register()
  [media] touptek: cast char types on %x printk
  [media] touptek: don't DMA at the stack
  [media] mceusb: use %*ph for small buffer dumps
  [media] v4l: exynos4-is: Drop unneeded check when setting up fimc-lite links
  [media] v4l: vsp1: Check if an entity is a subdev with the right function
  [media] hide unused functions for !MEDIA_CONTROLLER
  [media] em28xx: fix Terratec Grabby AC97 codec detection
  [media] media: add prefixes to interface types
  [media] media: rc: nuvoton: switch attribute wakeup_data to text
  [media] v4l2-ioctl: fix YUV422P pixel format description
  [media] media: fix null pointer dereference in v4l_vb2q_enable_media_source()
  [media] v4l2-mc.h: fix yet more compiler errors
  [media] staging/media: add missing TODO files
  [media] media.h: always start with 1 for the audio entities
  [media] sound/usb: Use meaninful names for goto labels
  [media] v4l2-mc.h: fix compiler warnings
  [media] media: au0828 audio mixer isn't connected to decoder
  [media] sound/usb: Use Media Controller API to share media resources
  [media] dw2102: add support for TeVii S662
  ...
2016-03-15 07:48:28 -03:00
Andrew F. Davis
45fe3fca6d gpio: Add generic serializer DT binding
Add binding for generic parallel-in/serial-out shift register devices
used as GPIO.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
[Clarified ngpios semantic]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-15 09:54:28 +01:00
Linus Torvalds
d4e796152a Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
 "The main changes in this cycle are:

   - Make schedstats a runtime tunable (disabled by default) and
     optimize it via static keys.

     As most distributions enable CONFIG_SCHEDSTATS=y due to its
     instrumentation value, this is a nice performance enhancement.
     (Mel Gorman)

   - Implement 'simple waitqueues' (swait): these are just pure
     waitqueues without any of the more complex features of full-blown
     waitqueues (callbacks, wake flags, wake keys, etc.).  Simple
     waitqueues have less memory overhead and are faster.

     Use simple waitqueues in the RCU code (in 4 different places) and
     for handling KVM vCPU wakeups.

     (Peter Zijlstra, Daniel Wagner, Thomas Gleixner, Paul Gortmaker,
     Marcelo Tosatti)

   - sched/numa enhancements (Rik van Riel)

   - NOHZ performance enhancements (Rik van Riel)

   - Various sched/deadline enhancements (Steven Rostedt)

   - Various fixes (Peter Zijlstra)

   - ... and a number of other fixes, cleanups and smaller enhancements"

* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (29 commits)
  sched/cputime: Fix steal_account_process_tick() to always return jiffies
  sched/deadline: Remove dl_new from struct sched_dl_entity
  Revert "kbuild: Add option to turn incompatible pointer check into error"
  sched/deadline: Remove superfluous call to switched_to_dl()
  sched/debug: Fix preempt_disable_ip recording for preempt_disable()
  sched, time: Switch VIRT_CPU_ACCOUNTING_GEN to jiffy granularity
  time, acct: Drop irq save & restore from __acct_update_integrals()
  acct, time: Change indentation in __acct_update_integrals()
  sched, time: Remove non-power-of-two divides from __acct_update_integrals()
  sched/rt: Kick RT bandwidth timer immediately on start up
  sched/debug: Add deadline scheduler bandwidth ratio to /proc/sched_debug
  sched/debug: Move sched_domain_sysctl to debug.c
  sched/debug: Move the /sys/kernel/debug/sched_features file setup into debug.c
  sched/rt: Fix PI handling vs. sched_setscheduler()
  sched/core: Remove duplicated sched_group_set_shares() prototype
  sched/fair: Consolidate nohz CPU load update code
  sched/fair: Avoid using decay_load_missed() with a negative value
  sched/deadline: Always calculate end of period on sched_yield()
  sched/cgroup: Fix cgroup entity load tracking tear-down
  rcu: Use simple wait queues where possible in rcutree
  ...
2016-03-14 19:14:06 -07:00