Commit Graph

108790 Commits

Author SHA1 Message Date
Martin Schwidefsky
b7d14f3a92 s390/mm: correct transfer of dirty & young bits in __pmd_to_pte
The dirty & young bit from the pmd is not copied correctly to the
pseudo pte in __pmd_to_pte. In fact it is not copied at all, the
bits get lost. As the old style huge page currently does not need
the dirty & young information this has no effect, but may be needed
in the future.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2015-04-23 16:56:20 +02:00
Heiko Carstens
77a87f0cb1 s390/bpf: add dependency to z196 features
The new ebpf code uses e.g. the laal instruction which is part of the
interlocked-access facility 1 which again was introduced with z196.

So we must make sure the ebpf code generator depends on MARCH_Z196_FEATURES.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
2015-04-23 16:55:50 +02:00
Martin Schwidefsky
0b46e0a3ec s390/kvm: remove delayed reallocation of page tables for KVM
Replacing a 2K page table with a 4K page table while a VMA is active
for the affected memory region is fundamentally broken. Rip out the
page table reallocation code and replace it with a simple system
control 'vm.allocate_pgste'. If the system control is set the page
tables for all processes are allocated as full 4K pages, even for
processes that do not need it.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2015-04-23 16:55:49 +02:00
Martin Schwidefsky
7e01b5acd8 kexec: allocate the kexec control page with KEXEC_CONTROL_MEMORY_GFP
Introduce KEXEC_CONTROL_MEMORY_GFP to allow the architecture code
to override the gfp flags of the allocation for the kexec control
page. The loop in kimage_alloc_normal_control_pages allocates pages
with GFP_KERNEL until a page is found that happens to have an
address smaller than the KEXEC_CONTROL_MEMORY_LIMIT. On systems
with a large memory size but a small KEXEC_CONTROL_MEMORY_LIMIT
the loop will keep allocating memory until the oom killer steps in.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2015-04-23 16:52:01 +02:00
Linus Torvalds
9b60afee50 PCI updates for v4.1:
Resource management
     - ia64: Treat all Address Space Descriptors as windows (Bjorn Helgaas)
 
   Miscellaneous
     - MAINTAINERS: Remove Mohit Kumar (email bounces) (Bjorn Helgaas)
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Merge tag 'pci-v4.1-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI fixes from Bjorn Helgaas:
 "These fix an ia64 regression caused by tighter resource checking we
  merged during the merge window and remove an invalid email address
  from MAINTAINERS.

  Resource management:
    - ia64: Treat all Address Space Descriptors as windows (Bjorn Helgaas)

  Miscellaneous:
    - MAINTAINERS: Remove Mohit Kumar (email bounces) (Bjorn Helgaas)"

* tag 'pci-v4.1-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  ia64/PCI: Treat all host bridge Address Space Descriptors (even consumers) as windows
  MAINTAINERS: Remove Mohit Kumar (email bounces)
2015-04-22 11:26:00 -07:00
Linus Torvalds
7dcca3e92a Merge git://www.linux-watchdog.org/linux-watchdog
Pull watchdog updates from Wim Van Sebroeck:
 "This contains following changes:

   - Octeon: convert to watchdog-API and apply some fixes
   - Cadence wdt: remove dependency on ARCH
   - add DT bindings for qcom + msm
   - bcm281xx: Remove use of seq_printf return value
   - stmp3xxx_rtc_wdt + pnx4008_wdt: fix broken email addresses"

* git://www.linux-watchdog.org/linux-watchdog:
  watchdog: stmp3xxx_rtc_wdt: fix broken email address
  watchdog: pnx4008_wdt: fix broken email address
  watchdog: octeon: use fixed length string for register names
  watchdog: octeon: fix some trivial coding style issues
  watchdog: octeon: convert to WATCHDOG_CORE API
  watchdog: cadence: Remove Kconfig dependency on ARCH
  ARM: msm: add watchdog entries to DT timer binding doc
  ARM: qcom: add description of KPSS WDT for IPQ8064
  watchdog: qcom: use timer devicetree binding
  watchdog: bcm281xx: Remove use of seq_printf return value
2015-04-22 11:22:55 -07:00
Linus Torvalds
b9bb6fb73b Some virtio internal cleanups, a new virtio device "virtio input", and
a change to allow the legacy virtio balloon.
 
 Most excitingly, some lguest work!  No seriously, I got some cleanup
 patches.
 
 Cheers,
 Rusty.
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Merge tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux

Pull virtio updates from Rusty Russell:
 "Some virtio internal cleanups, a new virtio device "virtio input", and
  a change to allow the legacy virtio balloon.

  Most excitingly, some lguest work! No seriously, I got some cleanup
  patches"

* tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
  virtio: drop virtio_device_is_legacy_only
  virtio_pci: support non-legacy balloon devices
  virtio_mmio: support non-legacy balloon devices
  virtio_ccw: support non-legacy balloon devices
  virtio: balloon might not be a legacy device
  virtio_balloon: transitional interface
  virtio_ring: Update weak barriers to use dma_wmb/rmb
  virtio_pci_modern: switch to type-safe io accessors
  virtio_pci_modern: type-safe io accessors
  lguest: handle traps on the "interrupt suppressed" iret instruction.
  virtio: drop a useless config read
  virtio_config: reorder functions
  Add virtio-input driver.
  lguest: suppress interrupts for single insn, not range.
  lguest: simplify lguest_iret
  lguest: rename i386_head.S in the comments
  lguest: explicitly set miscdevice's private_data NULL
  lguest: fix pending interrupt test.
2015-04-22 10:55:06 -07:00
Linus Torvalds
8b3c8ba3d8 ARM: SoC late changes for v4.1
We were expecting to sit on this branch through most of the merge window since
 the contents was merged into our tree late, but we ended up sitting on all of
 our contents so it can go in with the rest.
 
 The contents here is:
 
 - A large branch of cleanups of the CM/PRM blocks on OMAP.
 - A couple of patches plumbing up CM/PRM on OMAP5 and DRA7.
 - A branch with DT updates for Freescale i.MX. including some shuffling from
   .dts to .dtsi (include) files that causes a little churn.
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Merge tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC late changes from Olof Johansson:
 "We were expecting to sit on this branch through most of the merge
  window since the contents was merged into our tree late, but we ended
  up sitting on all of our contents so it can go in with the rest.

  The contents here is:

   - a large branch of cleanups of the CM/PRM blocks on OMAP.

   - a couple of patches plumbing up CM/PRM on OMAP5 and DRA7.

   - a branch with DT updates for Freescale i.MX.  including some
     shuffling from .dts to .dtsi (include) files that causes a little
     churn"

* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (78 commits)
  ARM: OMAP2+: Fix booting with configs that don't have MFD_SYSCON
  ARM: OMAP4+: control: add support for initializing control module via DT
  ARM: dts: dra7: add minimal l4 bus layout with control module support
  ARM: dts: omap5: add minimal l4 bus layout with control module support
  ARM: OMAP4+: control: remove support for legacy pad read/write
  ARM: OMAP4: display: convert display to use syscon for dsi muxing
  ARM: dts: omap4: add minimal l4 bus layout with control module support
  ARM: dts: am4372: add minimal l4 bus layout with control module support
  ARM: dts: am43xx-epos-evm: fix pinmux node layout
  ARM: dts: am33xx: add minimal l4 bus layout with control module support
  ARM: dts: omap3: add minimal l4 bus layout with control module support
  ARM: dts: omap24xx: add minimal l4 bus layout with control module support
  ARM: OMAP2+: control: add syscon support for register accesses
  ARM: OMAP2+: id: cache omap_type value
  ARM: OMAP2+: control: remove API for getting control module base address
  ARM: OMAP2+: clock: add low-level support for regmap
  ARM: OMAP4+: PRM: get rid of cpu_is_omap44xx calls from interrupt init
  ARM: OMAP4+: PRM: setup prm_features from the PRM init time flags
  ARM: OMAP2+: CM: move SoC specific init calls within a generic API
  ARM: OMAP4+: PRM: determine prm_device_inst based on DT compatibility
  ...
2015-04-22 09:24:55 -07:00
Linus Torvalds
d34dc4f9e8 ARM: SoC 64-bit changes for v4.1
Mostly DT updates for arm64, but also a couple of Kconfig additions.
 
 Main contents:
 
 - Qualcomm MSM8916/APQ8016
 - Spreadtrum SC9836
 - Xilinx ZynqMP
 - Pincontrol entries for MediaTek MT8173
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Merge tag 'armsoc-arm64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC 64-bit changes from Olof Johansson:
 "Mostly DT updates for arm64, but also a couple of Kconfig additions.

  Main contents:

   - Qualcomm MSM8916/APQ8016

   - Spreadtrum SC9836

   - Xilinx ZynqMP

   - pincontrol entries for MediaTek MT8173"

* tag 'armsoc-arm64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  arm64: dts: add interrupt-affinity property to pmu node for juno
  arm64: dts: Add Qualcomm APQ8016 SBC evaluation board dts
  arm64: dts: Add Qualcomm MSM8916 SoC and evaluation board dts
  arm64: dts: sprd: adding coresight entries to Spreadtrum SC9836
  arm64: Add support for Spreadtrum's Sharkl64 Platform in Kconfig and defconfig
  arm64: dts: Add support for Spreadtrum SC9836 SoC in dts and Makefile
  ARM64: Add new Xilinx ZynqMP SoC
  arm64: qcom: Add support for Qualcomm MSM8916 SoC
  arm64: dts: mt8173: Add pinctrl/GPIO/EINT node for mt8173.
  arm64: mediatek: Select PINCTRL for Mediatek platform
2015-04-22 09:23:58 -07:00
Linus Torvalds
2144de826e ARM: SoC defconfig updates for v4.1
We keep collecting defconfig updates in a separate branch mostly to encourage
 people to handle them separately and avoid conflicts between different topics.
 
 Most of these are enablement of new drivers that have come in, or minor config
 refreshes due to reorderings in Kconfig files, etc. I.e. mostly minor churn
 of various kinds.
 
 We might start folding this branch into something else for upstream merge
 since it's so small, but keep it independent in our own tree for the above
 reasons.
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Merge tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC defconfig updates from Olof Johansson:
 "We keep collecting defconfig updates in a separate branch mostly to
  encourage people to handle them separately and avoid conflicts between
  different topics.

  Most of these are enablement of new drivers that have come in, or
  minor config refreshes due to reorderings in Kconfig files, etc.  I.e.
  mostly minor churn of various kinds.

  We might start folding this branch into something else for upstream
  merge since it's so small, but keep it independent in our own tree for
  the above reasons"

* tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (38 commits)
  ARM: multi_v7_defconfig: enable alpine platform
  ARM: multi_v7_defconfig: Add gpio-restart driver
  ARM: multi_v7_defconfig: Build the Marvell WiFi-Ex driver as a module
  ARM: multi_v7_defconfig: Enable support for ELAN i2c trackpads
  ARM: multi_v7_defconfig: Enable Tegra ACTMON support
  ARM: configs: remove all CONFIG_RCAR_AUDMAC_PP from ARM defconfigs
  ARM: configs: enable Marvell Armada 39x in multi_v7_defconfig
  ARM: exynos_defconfig: Enable HDMI support
  ARM: exynos_defconfig: Enable options to mount a rootfs via NFS
  ARM: qcom: Increase MMC_BLOCK_MINORS in defconfig
  ARM: mvebu: Enable perf support in mvebu_v7_defconfig
  ARM: exynos_defconfig: Enable ChromeOS EC chardev driver
  ARM: exynos_defconfig: Enable CPU idle
  ARM: exynos_defconfig: Enable Marvell WiFi-Ex support
  arm: qcom: Update defconfig
  arm: qcom: Enable lpass clock driver in defconfig
  ARM: omap2plus_defconfig: Enable n900 modem as loadable modules
  ARM: omap2plus_defconfig: Update bluetooth options
  ARM: omap2plus_defconfig: Enable leds-pwm
  ARM: omap1_defconfig: drop obsolete Kconfig symbols
  ...
2015-04-22 09:21:30 -07:00
Linus Torvalds
e5ac320de1 ARM: SoC multiplatform code changes for v4.1
The changes here belong to two main platforms:
 
 - Atmel At91 is flipping the bit and going multiplatform. This includes some
   cleanups and removal of code, and the final flip of config dependencies
 
 - Shmobile has several platforms that are going multiplatform, but this
   branch also contains a bunch of cleanups that they weren't able to keep
   separate in a good way. THere's also a removal of one of their SoCs and the
   corresponding boards (sh7372 and mackerel).
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Merge tag 'armsoc-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC multiplatform code changes from Olof Johansson:
 "The changes here belong to two main platforms:

   - Atmel At91 is flipping the bit and going multiplatform.  This
     includes some cleanups and removal of code, and the final flip of
     config dependencies

   - Shmobile has several platforms that are going multiplatform, but
     this branch also contains a bunch of cleanups that they weren't
     able to keep separate in a good way.  THere's also a removal of one
     of their SoCs and the corresponding boards (sh7372 and mackerel)"

* tag 'armsoc-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (67 commits)
  ARM: at91/pm: move AT91_MEMCTRL_* to pm.h
  ARM: at91/pm: move the standby functions to pm.c
  ARM: at91: fix pm_suspend.S compilation when ARMv6 is selected
  ARM: at91: add a Kconfig dependency on multi-platform
  ARM: at91: drop AT91_TIMER_HZ
  ARM: at91: remove hardware.h
  ARM: at91: remove SoC headers
  ARM: at91: remove useless mach/cpu.h
  ARM: at91: remove unused headers
  ARM: at91: switch at91_dt_defconfig to multiplatform
  ARM: at91: switch to multiplatform
  ARM: shmobile: r8a7778: enable multiplatform target
  ARM: shmobile: bockw: add sound to DT
  ARM: shmobile: r8a7778: add sound to DT
  ARM: shmobile: bockw: add devices hooked up to i2c0 to DT
  DT: i2c: add trivial binding for OKI ML86V7667 video decoder
  ARM: shmobile: r8a7778: common clock framework CPG driver
  ARM: shmobile: bockw dts: set extal clock frequency
  ARM: shmobile: bockw dts: Move Ethernet node to BSC
  ARM: shmobile: r8a73a4: Remove legacy code
  ...
2015-04-22 09:20:15 -07:00
Linus Torvalds
7d2b6ef19c ARM: SoC driver updates for v4.1
Driver updates for v4.1. Some of these are for drivers/soc, where we find more
 and more SoC-specific drivers these days. Some are for other driver subsystems
 where we have received acks from the appropriate maintainers.
 
 The larger parts of this branch are:
 
 - MediaTek support for their PMIC wrapper interface, a high-level interface
   for talking to the system PMIC over a dedicated I2C interface.
 - Qualcomm SCM driver has been moved to drivers/firmware. It's used for CPU
   up/down and needs to be in a shared location for arm/arm64 common code.
 - Cleanup of ARM-CCI PMU code.
 - Anoter set of cleanusp to the OMAP GPMC code.
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Olof Johansson:
 "Driver updates for v4.1.  Some of these are for drivers/soc, where we
  find more and more SoC-specific drivers these days.  Some are for
  other driver subsystems where we have received acks from the
  appropriate maintainers.

  The larger parts of this branch are:

   - MediaTek support for their PMIC wrapper interface, a high-level
     interface for talking to the system PMIC over a dedicated I2C
     interface.

   - Qualcomm SCM driver has been moved to drivers/firmware.  It's used
     for CPU up/down and needs to be in a shared location for arm/arm64
     common code.

   - cleanup of ARM-CCI PMU code.

   - another set of cleanusp to the OMAP GPMC code"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (43 commits)
  soc/mediatek: Remove unused variables
  clocksource: atmel-st: select MFD_SYSCON
  soc: mediatek: Add PMIC wrapper for MT8135 and MT8173 SoCs
  arm-cci: Fix CCI PMU event validation
  arm-cci: Split the code for PMU vs driver support
  arm-cci: Get rid of secure transactions for PMU driver
  arm-cci: Abstract the CCI400 PMU specific definitions
  arm-cci: Rearrange code for splitting PMU vs driver code
  drivers: cci: reject groups spanning multiple HW PMUs
  ARM: at91: remove useless include
  clocksource: atmel-st: remove mach/hardware dependency
  clocksource: atmel-st: use syscon/regmap
  ARM: at91: time: move the system timer driver to drivers/clocksource
  ARM: at91: properly initialize timer
  ARM: at91: at91rm9200: remove deprecated arm_pm_restart
  watchdog: at91rm9200: implement restart handler
  watchdog: at91rm9200: use the system timer syscon
  mfd: syscon: Add atmel system timer registers definition
  ARM: at91/dt: declare atmel,at91rm9200-st as a syscon
  soc: qcom: gsbi: Add support for ADM CRCI muxing
  ...
2015-04-22 09:18:17 -07:00
Linus Torvalds
5c73cc4b6c ARM: DT updates for v4.1
As always, this tends to be one of our bigger branches. There are lots of
 updates this release, but not that many jumps out as something that needs
 more detailed coverage. Some of the highlights are:
 
 - DTs for the new Annapurna Labs Alpine platform
 - More graphics DT pieces falling into place on Exynos, bridges, clocks.
 - Plenty of DT updates for Qualcomm platforms for various IP blocks
 - Some churn on Tegra due to switch-over to tool-generated pinctrl data
 - Misc fixes and updates for Atmel at91 platforms
 - Various DT updates to add IP block support on Broadcom's Cygnus platforms
 - More updates for Renesas platforms as DT support is added for various IP
   blocks (IPMMU, display, audio, etc).
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM DT updates from Olof Johansson:
 "As always, this tends to be one of our bigger branches.  There are
  lots of updates this release, but not that many jumps out as something
  that needs more detailed coverage.  Some of the highlights are:

   - DTs for the new Annapurna Labs Alpine platform

   - more graphics DT pieces falling into place on Exynos, bridges,
     clocks.

   - plenty of DT updates for Qualcomm platforms for various IP blocks

   - some churn on Tegra due to switch-over to tool-generated pinctrl
     data

   - misc fixes and updates for Atmel at91 platforms

   - various DT updates to add IP block support on Broadcom's Cygnus
     platforms

   - more updates for Renesas platforms as DT support is added for
     various IP blocks (IPMMU, display, audio, etc)"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (231 commits)
  ARM: dts: alpine: add internal pci
  Revert "ARM: dts: mt8135: Add pinctrl/GPIO/EINT node for mt8135."
  ARM: mvebu: use 0xf1000000 as internal registers on Armada 370 DB
  ARM: dts: qcom: Add idle state device nodes for 8064
  ARM: dts: qcom: Add idle states device nodes for 8084
  ARM: dts: qcom: Add idle states device nodes for 8974/8074
  ARM: dts: qcom: Update power-controller device node for 8064 Krait CPUs
  ARM: dts: qcom: Add power-controller device node for 8084 Krait CPUs
  ARM: dts: qcom: Add power-controller device node for 8074 Krait CPUs
  devicetree: bindings: Document qcom,idle-states
  devicetree: bindings: Update qcom,saw2 node bindings
  dt-bindings: Add #defines for MSM8916 clocks and resets
  arm: dts: qcom: Add LPASS Audio HW to IPQ8064 device tree
  arm: dts: qcom: Add APQ8084 chipset SPMI PMIC's nodes
  arm: dts: qcom: Add 8x74 chipset SPMI PMIC's nodes
  arm: dts: qcom: Add SPMI PMIC Arbiter nodes for APQ8084 and MSM8974
  arm: dts: qcom: Add LCC nodes
  arm: dts: qcom: Add TCSR support for MSM8960
  arm: dts: qcom: Add TCSR support for MSM8660
  arm: dts: qcom: Add TCSR support for IPQ8064
  ...
2015-04-22 09:09:46 -07:00
Linus Torvalds
e6c81cce56 ARM: SoC platform updates for v4.1
Our SoC branch usually contains expanded support for new SoCs and other core
 platform code. In this case, that includes:
 
 - Support for the new Annapurna Labs "Alpine" platform
 - A rework greatly simplifying adding new platform support to the MCPM
   subsystem (Multi-cluster power management)
 - Cpuidle and PM improvements for Exynos3250
 - Misc updates for Renesas, OMAP, Meson, i.MX. Some of these could have
   gone in other branches but ended up here for various reasons.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Olof Johansson:
 "Our SoC branch usually contains expanded support for new SoCs and
  other core platform code.  In this case, that includes:

   - support for the new Annapurna Labs "Alpine" platform

   - a rework greatly simplifying adding new platform support to the
     MCPM subsystem (Multi-cluster power management)

   - cpuidle and PM improvements for Exynos3250

   - misc updates for Renesas, OMAP, Meson, i.MX.  Some of these could
     have gone in other branches but ended up here for various reasons"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (53 commits)
  ARM: alpine: add support for generic pci
  ARM: Exynos: migrate DCSCB to the new MCPM backend abstraction
  ARM: vexpress: migrate DCSCB to the new MCPM backend abstraction
  ARM: vexpress: DCSCB: tighten CPU validity assertion
  ARM: vexpress: migrate TC2 to the new MCPM backend abstraction
  ARM: MCPM: move the algorithmic complexity to the core code
  ARM: EXYNOS: allow cpuidle driver usage on Exynos3250 SoC
  ARM: EXYNOS: add AFTR mode support for Exynos3250
  ARM: EXYNOS: add code for setting/clearing boot flag
  ARM: EXYNOS: fix CPU1 hotplug on Exynos3250
  ARM: S3C64XX: Use fixed IRQ bases to avoid conflicts on Cragganmore
  ARM: cygnus: fix const declaration bcm_cygnus_dt_compat
  ARM: DRA7: hwmod: Fix the hwmod class for GPTimer4
  ARM: DRA7: hwmod: Add data for GPTimers 13 through 16
  ARM: EXYNOS: Remove left over 'extra_save'
  ARM: EXYNOS: Constify exynos_pm_data array
  ARM: EXYNOS: use static in suspend.c
  ARM: EXYNOS: Use platform device name as power domain name
  ARM: EXYNOS: add support for async-bridge clocks for pm_domains
  ARM: omap-device: add missed callback for suspend-to-disk
  ...
2015-04-22 09:08:39 -07:00
Linus Torvalds
d0440c59f5 ARM: SoC cleanups for v4.1
We've got a fairly large cleanup branch this time. The bulk of this is removal
 of non-DT platforms of several flavors:
 
 - Atmel at91 platforms go full-DT, with removal of remaining board-file based
   support
 - OMAP removes legacy board files for three more platforms
 - Removal of non-DT mach-msm, newer Qualcomm platforms now live in mach-qcom
 - Freescale i.MX25 also removes non-DT platform support
 
 Most of the rest of the changes here are fallout from the above, i.e. for
 example removal of drivers that now lack platforms, etc.
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 -----END PGP SIGNATURE-----

Merge tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups from Olof Johansson:
 "We've got a fairly large cleanup branch this time.  The bulk of this
  is removal of non-DT platforms of several flavors:

   - Atmel at91 platforms go full-DT, with removal of remaining
     board-file based support

   - OMAP removes legacy board files for three more platforms

   - removal of non-DT mach-msm, newer Qualcomm platforms now live in
     mach-qcom

   - Freescale i.MX25 also removes non-DT platform support"

Most of the rest of the changes here are fallout from the above, i.e. for
example removal of drivers that now lack platforms, etc.

* tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (58 commits)
  mmc: Remove msm_sdcc driver
  gpio: Remove gpio-msm-v1 driver
  ARM: Remove mach-msm and associated ARM architecture code
  ARM: shmobile: cpuidle: Remove the pointless default driver
  ARM: davinci: dm646x: Add interrupt resource for McASPs
  ARM: davinci: irqs: Correct McASP1 TX interrupt definition for DM646x
  ARM: davinci: dm646x: Clean up the McASP DMA resources
  ARM: davinci: devices-da8xx: Add support for McASP2 on da830
  ARM: davinci: devices-da8xx: Clean up and correct the McASP device creation
  ARM: davinci: devices-da8xx: Add interrupt resource to McASP structs
  ARM: davinci: devices-da8xx: Add resource name for the McASP DMA request
  ARM: OMAP2+: Remove legacy support for omap3 TouchBook
  ARM: OMAP3: Remove legacy support for devkit8000
  ARM: OMAP3: Remove legacy support for EMA-Tech Stalker board
  ARM: shmobile: Consolidate the pm code for R-Car Gen2
  ARM: shmobile: r8a7791: Correct SYSCIER value
  ARM: shmobile: r8a7790: Correct SYSCIER value
  ARM: at91: remove old setup
  ARM: at91: sama5d4: remove useless map_io
  ARM: at91: sama5 use SoC detection infrastructure
  ...
2015-04-22 09:04:39 -07:00
Linus Torvalds
38eb1dbb0d ARM: SoC fixes for v4.1
Here's the usual "low-priority fixes that didn't make it into the last
 few -rcs, with a twist: We had a fixes pull request that I didn't send
 in time to get into 4.0, so we'll send some of them to Greg for -stable as
 well.
 
 Contents here is as usual not all that controversial:
 
 - A handful of randconfig fixes from Arnd, in particular for older Samsung
   platforms
 - Exynos fixes, !SMP building, DTS updates for MMC and lid switch
 - Kbuild fix to create output subdirectory for DTB files
 - Misc minor fixes for OMAP
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 -----END PGP SIGNATURE-----

Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "Here's the usual "low-priority fixes that didn't make it into the last
  few -rcs, with a twist: We had a fixes pull request that I didn't send
  in time to get into 4.0, so we'll send some of them to Greg for
  -stable as well.

  Contents here is as usual not all that controversial:

   - a handful of randconfig fixes from Arnd, in particular for older
     Samsung platforms

   - Exynos fixes, !SMP building, DTS updates for MMC and lid switch

   - Kbuild fix to create output subdirectory for DTB files

   - misc minor fixes for OMAP"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (23 commits)
  ARM: at91/dt: sama5d3 xplained: add phy address for macb1
  kbuild: Create directory for target DTB
  ARM: mvebu: Disable CPU Idle on Armada 38x
  ARM: DRA7: Enable Cortex A15 errata 798181
  ARM: dts: am57xx-beagle-x15: Add thermal map to include fan and tmp102
  ARM: dts: DRA7: Add bandgap and related thermal nodes
  bus: ocp2scp: SYNC2 value should be changed to 0x6
  ARM: dts: am4372: Add "ti,am437x-ocp2scp" as compatible string for OCP2SCP
  ARM: OMAP2+: remove superfluous NULL pointer check
  ARM: EXYNOS: Fix build breakage cpuidle on !SMP
  ARM: dts: fix lid and power pin-functions for exynos5250-spring
  ARM: dts: fix mmc node updates for exynos5250-spring
  ARM: OMAP4: remove dead kconfig option OMAP4_ERRATA_I688
  MAINTAINERS: add OMAP defconfigs under OMAP SUPPORT
  ARM: OMAP1: PM: fix some build warnings on 1510-only Kconfigs
  ARM: cns3xxx: don't export static symbol
  ARM: S3C24XX: avoid a Kconfig warning
  ARM: S3C24XX: fix header file inclusions
  ARM: S3C24XX: fix building without PM_SLEEP
  ARM: S3C24XX: use SAMSUNG_WAKEMASK for s3c2416
  ...
2015-04-22 09:03:30 -07:00
Mathieu Olivari
4ba1c98b55 ARM: qcom: add description of KPSS WDT for IPQ8064
Add the watchdog related entries to the Krait Processor Sub-system
(KPSS) timer IPQ8064 devicetree section. Also, add a fixed-clock
description of SLEEP_CLK, which will do for now.

Signed-off-by: Josh Cartwright <joshc@codeaurora.org>
Signed-off-by: Mathieu Olivari <mathieu@codeaurora.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2015-04-22 15:28:11 +02:00
Linus Torvalds
db4fd9c5d0 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Pull sparc fixes from David Miller:

 1) ldc_alloc_exp_dring() can be called from softints, so use
    GFP_ATOMIC.  From Sowmini Varadhan.

 2) Some minor warning/build fixups for the new iommu-common code on
    certain archs and with certain debug options enabled.  Also from
    Sowmini Varadhan.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc: Use GFP_ATOMIC in ldc_alloc_exp_dring() as it can be called in softirq context
  sparc64: Use M7 PMC write on all chips T4 and onward.
  iommu-common: rename iommu_pool_hash to iommu_hash_common
  iommu-common: fix x86_64 compiler warnings
2015-04-21 23:21:34 -07:00
Olof Johansson
48c1078509 Urgent pull request for v4.1 to booting for custom kernel
.config files that do not have MFD_SYSCON set.
 
 Omaps now have a dependency to MFD_SYSCON for system control
 module generic register area and some clocks with the changes
 done in omap-for-v4.1/prcm-dts branch.
 
 This can be pulled on top of omap-for-v4.1/prcm-dts, or into
 fixes for v4.1.
 
 We already do have a slight MFD_SYSCON dependency for
 REGULATOR_PBIAS for dual voltage MMC cards on the first MMC
 bus for many devices, so from that point of view this can
 also be merged separately from omap-for-v4.1/prcm-dts.
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Merge tag 'omap-for-v4.1/prcm-dts-mfd-syscon-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/late

Merge "urgent omap boot fix for v4.1 if MFD_SYSCON is not set" from Tony
Lindgren:

Urgent pull request for v4.1 to booting for custom kernel
.config files that do not have MFD_SYSCON set.

Omaps now have a dependency to MFD_SYSCON for system control
module generic register area and some clocks with the changes
done in omap-for-v4.1/prcm-dts branch.

This can be pulled on top of omap-for-v4.1/prcm-dts, or into
fixes for v4.1.

We already do have a slight MFD_SYSCON dependency for
REGULATOR_PBIAS for dual voltage MMC cards on the first MMC
bus for many devices, so from that point of view this can
also be merged separately from omap-for-v4.1/prcm-dts.

* tag 'omap-for-v4.1/prcm-dts-mfd-syscon-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: Fix booting with configs that don't have MFD_SYSCON

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-04-21 21:45:15 -07:00
Bjorn Helgaas
9fbbda5c8e ia64/PCI: Treat all host bridge Address Space Descriptors (even consumers) as windows
Prior to c770cb4cb5 ("PCI: Mark invalid BARs as unassigned"), if we tried
to claim a PCI BAR but could not find an upstream bridge window that
matched it, we complained but still allowed the device to be enabled.

c770cb4cb5 broke devices that previously worked (mptsas and igb in the
case Tony reported, but it could be any devices) because it marks those
BARs as IORESOURCE_UNSET, which makes pci_enable_device() complain and
return failure:

  igb 0000:81:00.0: can't enable device: BAR 0 [mem size 0x00020000] not assigned
  igb: probe of 0000:81:00.0 failed with error -22

The underlying cause is an ACPI Address Space Descriptor for a PCI host
bridge window that is marked as "consumer".  This is a firmware defect:
resources that are produced on the downstream side of a bridge should be
marked "producer".  But rejecting these BARs that we previously allowed is
a functionality regression, and firmware has not used the producer/consumer
bit consistently, so we can't rely on it anyway.

Stop checking the producer/consumer bit, and assume all bridge Address
Space Descriptors are for bridge windows.

Note that this change does not affect I/O Port or Fixed Location I/O Port
Descriptors, which are commonly used for the [io 0x0cf8-0x0cff] config
access range.  That range is a "consumer" range and should not be treated
as a window.

Fixes: c770cb4cb5 ("PCI: Mark invalid BARs as unassigned")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=96961
Reported-and-tested-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-04-21 15:29:39 -05:00
Sowmini Varadhan
0edfad5959 sparc: Use GFP_ATOMIC in ldc_alloc_exp_dring() as it can be called in softirq context
Since it is possible for vnet_event_napi to end up doing
vnet_control_pkt_engine -> ... -> vnet_send_attr ->
vnet_port_alloc_tx_ring -> ldc_alloc_exp_dring -> kzalloc()
(i.e., in softirq context), kzalloc() should be called with
GFP_ATOMIC from ldc_alloc_exp_dring.

Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-21 13:17:06 -07:00
David S. Miller
df386375ff sparc64: Use M7 PMC write on all chips T4 and onward.
They both work equally well, and the M7 implementation is
simpler and cheaper (less register writes).

With help from David Ahern.

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-21 13:14:53 -07:00
Guenter Roeck
c19edb6946 parisc: Replace PT_NLEVELS with CONFIG_PGTABLE_LEVELS
The following warning is seen when compiling parisc images

./arch/parisc/include/asm/pgalloc.h: In function 'pgd_alloc':
./arch/parisc/include/asm/pgalloc.h:29:5: warning: "PT_NLEVELS" is not defined

Some definitions of PT_NLEVELS were missed with the conversion to
CONFIG_PGTABLE_LEVELS.

Fixes: f24ffde432 ("parisc: expose number of page table levels
	on Kconfig level")
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Helge Deller <deller@gmx.de>
2015-04-21 22:04:03 +02:00
Matthew Wilcox
8bf8a1d1c1 parisc: Eliminate sg_virt_addr() and private scatterlist.h
The only reason to keep parisc's private asm/scatterlist.h was that it
had the macro sg_virt_addr().  Convert all callers to use something else
(sometimes just sg->offset was enough, others should use sg_virt()), and
we can just use the asm-generic scatterlist.h instead.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Dave Anglin <dave.anglin@bell.net>
Signed-off-by: Helge Deller <deller@gmx.de>
2015-04-21 22:02:43 +02:00
Linus Torvalds
0c8027d50c media updates for v4.1-rc1
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Merge tag 'media/v4.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - a new frontend driver for new ATSC devices: lgdt3306a

 - a new sensor driver: ov2659

 - a new platform driver: xilinx

 - the m88ts2022 tuner driver was merged at ts2020 driver

 - the media controller gained experimental support for DVB and hybrid
   devices

 - lots of random cleanups, fixes and improvements on media drivers

* tag 'media/v4.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (404 commits)
  [media] uvcvideo: add support for VIDIOC_QUERY_EXT_CTRL
  [media] uvcvideo: fix cropcap v4l2-compliance failure
  [media] media: omap3isp: remove unused clkdev
  [media] coda: Add tracing support
  [media] coda: drop dma_sync_single_for_device in coda_bitstream_queue
  [media] coda: fix fill bitstream errors in nonstreaming case
  [media] coda: call SEQ_END when the first queue is stopped
  [media] coda: fail to start streaming if userspace set invalid formats
  [media] coda: remove duplicate error messages for buffer allocations
  [media] coda: move parameter buffer in together with context buffer allocation
  [media] coda: allocate bitstream buffer from REQBUFS, size depends on the format
  [media] coda: allocate per-context buffers from REQBUFS
  [media] coda: use strlcpy instead of snprintf
  [media] coda: bitstream payload is unsigned
  [media] coda: fix double call to debugfs_remove
  [media] coda: check kasprintf return value in coda_open
  [media] coda: bitrate can only be set in kbps steps
  [media] v4l2-mem2mem: no need to initialize b in v4l2_m2m_next_buf and v4l2_m2m_buf_remove
  [media] s5p-mfc: set allow_zero_bytesused flag for vb2_queue_init
  [media] coda: set allow_zero_bytesused flag for vb2_queue_init
  ...
2015-04-21 10:01:27 -07:00
Linus Torvalds
1fc149933f Char/Misc driver patches for 4.1-rc1
Here's the big char/misc driver patchset for 4.1-rc1.
 
 Lots of different driver subsystem updates here, nothing major, full
 details are in the shortlog below.
 
 All of this has been in linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver updates from Greg KH:
 "Here's the big char/misc driver patchset for 4.1-rc1.

  Lots of different driver subsystem updates here, nothing major, full
  details are in the shortlog.

  All of this has been in linux-next for a while"

* tag 'char-misc-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (133 commits)
  mei: trace: remove unused TRACE_SYSTEM_STRING
  DTS: ARM: OMAP3-N900: Add lis3lv02d support
  Documentation: DT: lis302: update wakeup binding
  lis3lv02d: DT: add wakeup unit 2 and wakeup threshold
  lis3lv02d: DT: use s32 to support negative values
  Drivers: hv: hv_balloon: correctly handle num_pages>INT_MAX case
  Drivers: hv: hv_balloon: correctly handle val.freeram<num_pages case
  mei: replace check for connection instead of transitioning
  mei: use mei_cl_is_connected consistently
  mei: fix mei_poll operation
  hv_vmbus: Add gradually increased delay for retries in vmbus_post_msg()
  Drivers: hv: hv_balloon: survive ballooning request with num_pages=0
  Drivers: hv: hv_balloon: eliminate jumps in piecewiese linear floor function
  Drivers: hv: hv_balloon: do not online pages in offline blocks
  hv: remove the per-channel workqueue
  hv: don't schedule new works in vmbus_onoffer()/vmbus_onoffer_rescind()
  hv: run non-blocking message handlers in the dispatch tasklet
  coresight: moving to new "hwtracing" directory
  coresight-tmc: Adding a status interface to sysfs
  coresight: remove the unnecessary configuration coresight-default-sink
  ...
2015-04-21 09:42:58 -07:00
Linus Torvalds
41d5e08ea8 TTY/Serial patches for 4.1-rc1
Here's the big tty/serial driver update for 4.1-rc1.
 
 It was delayed for a bit due to some questions surrounding some of the
 console command line parsing changes that are in here.  There's still
 one tiny regression for people who were previously putting multiple
 console command lines and expecting them all to be ignored for some odd
 reason, but Peter is working on fixing that.  If not, I'll send a revert
 for the offending patch, but I have faith that Peter can address it.
 
 Other than the console work here, there's the usual serial driver
 updates and changes, and a buch of 8250 reworks to try to make that
 driver easier to maintain over time, and have it support more devices in
 the future.
 
 All of these have been in linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.1-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 update for 4.1-rc1.

  It was delayed for a bit due to some questions surrounding some of the
  console command line parsing changes that are in here.  There's still
  one tiny regression for people who were previously putting multiple
  console command lines and expecting them all to be ignored for some
  odd reason, but Peter is working on fixing that.  If not, I'll send a
  revert for the offending patch, but I have faith that Peter can
  address it.

  Other than the console work here, there's the usual serial driver
  updates and changes, and a buch of 8250 reworks to try to make that
  driver easier to maintain over time, and have it support more devices
  in the future.

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

* tag 'tty-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (119 commits)
  n_gsm: Drop unneeded cast on netdev_priv
  sc16is7xx: expose RTS inversion in RS-485 mode
  serial: 8250_pci: port failed after wakeup from S3
  earlycon: 8250: Document kernel command line options
  earlycon: 8250: Fix command line regression
  earlycon: Fix __earlycon_table stride
  tty: clean up the tty time logic a bit
  serial: 8250_dw: only get the clock rate in one place
  serial: 8250_dw: remove useless ACPI ID check
  dmaengine: hsu: move memory allocation to GFP_NOWAIT
  dmaengine: hsu: remove redundant pieces of code
  serial: 8250_pci: add Intel Tangier support
  dmaengine: hsu: add Intel Tangier PCI ID
  serial: 8250_pci: replace switch-case by formula for Intel MID
  serial: 8250_pci: replace switch-case by formula
  tty: cpm_uart: replace CONFIG_8xx by CONFIG_CPM1
  serial: jsm: some off by one bugs
  serial: xuartps: Fix check in console_setup().
  serial: xuartps: Get rid of register access macros.
  serial: xuartps: Fix iobase use.
  ...
2015-04-21 09:33:10 -07:00
Mauro Carvalho Chehab
64131a87f2 Merge branch 'drm-next-merged' of git://people.freedesktop.org/~airlied/linux into v4l_for_linus
* 'drm-next-merged' of git://people.freedesktop.org/~airlied/linux: (9717 commits)
  media-bus: Fixup RGB444_1X12, RGB565_1X16, and YUV8_1X24 media bus format
  hexdump: avoid warning in test function
  fs: take i_mutex during prepare_binprm for set[ug]id executables
  smp: Fix error case handling in smp_call_function_*()
  iommu-common: Fix PARISC compile-time warnings
  sparc: Make LDC use common iommu poll management functions
  sparc: Make sparc64 use scalable lib/iommu-common.c functions
  Break up monolithic iommu table/lock into finer graularity pools and lock
  sparc: Revert generic IOMMU allocator.
  tools/power turbostat: correct dumped pkg-cstate-limit value
  tools/power turbostat: calculate TSC frequency from CPUID(0x15) on SKL
  tools/power turbostat: correct DRAM RAPL units on recent Xeon processors
  tools/power turbostat: Initial Skylake support
  tools/power turbostat: Use $(CURDIR) instead of $(PWD) and add support for O= option in Makefile
  tools/power turbostat: modprobe msr, if needed
  tools/power turbostat: dump MSR_TURBO_RATIO_LIMIT2
  tools/power turbostat: use new MSR_TURBO_RATIO_LIMIT names
  Bluetooth: hidp: Fix regression with older userspace and flags validation
  config: Enable NEED_DMA_MAP_STATE by default when SWIOTLB is selected
  perf/x86/intel/pt: Fix and clean up error handling in pt_event_add()
  ...

That solves several merge conflicts:
	Documentation/DocBook/media/v4l/subdev-formats.xml
	Documentation/devicetree/bindings/vendor-prefixes.txt
	drivers/staging/media/mn88473/mn88473.c
	include/linux/kconfig.h
	include/uapi/linux/media-bus-format.h

The ones at subdev-formats.xml and media-bus-format.h are not trivial.
That's why we opted to merge from DRM.
2015-04-21 09:44:55 -03:00
Tony Lindgren
da4d81453c ARM: OMAP2+: Fix booting with configs that don't have MFD_SYSCON
With the recent changes omaps have developed a dependency to MFD_SYSCON.
This is used for system control module generic register area and some
clocks.

We do have it selected in omap2plus_defconfig, but targeted config
files may not have it selected. Let's make sure it's selected like
few other ARM platforms are already doing.

Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-04-20 10:36:31 -07:00
Linus Torvalds
6496edfce9 This is the final removal (after several years!) of the obsolete cpus_*
functions, prompted by their mis-use in staging.
 
 With these function removed, all cpu functions should only iterate to
 nr_cpu_ids, so we finally only allocate that many bits when cpumasks
 are allocated offstack.
 
 Thanks,
 Rusty.
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Merge tag 'cpumask-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux

Pull final removal of deprecated cpus_* cpumask functions from Rusty Russell:
 "This is the final removal (after several years!) of the obsolete
  cpus_* functions, prompted by their mis-use in staging.

  With these function removed, all cpu functions should only iterate to
  nr_cpu_ids, so we finally only allocate that many bits when cpumasks
  are allocated offstack"

* tag 'cpumask-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux: (25 commits)
  cpumask: remove __first_cpu / __next_cpu
  cpumask: resurrect CPU_MASK_CPU0
  linux/cpumask.h: add typechecking to cpumask_test_cpu
  cpumask: only allocate nr_cpumask_bits.
  Fix weird uses of num_online_cpus().
  cpumask: remove deprecated functions.
  mips: fix obsolete cpumask_of_cpu usage.
  x86: fix more deprecated cpu function usage.
  ia64: remove deprecated cpus_ usage.
  powerpc: fix deprecated CPU_MASK_CPU0 usage.
  CPU_MASK_ALL/CPU_MASK_NONE: remove from deprecated region.
  staging/lustre/o2iblnd: Don't use cpus_weight
  staging/lustre/libcfs: replace deprecated cpus_ calls with cpumask_
  staging/lustre/ptlrpc: Do not use deprecated cpus_* functions
  blackfin: fix up obsolete cpu function usage.
  parisc: fix up obsolete cpu function usage.
  tile: fix up obsolete cpu function usage.
  arm64: fix up obsolete cpu function usage.
  mips: fix up obsolete cpu function usage.
  x86: fix up obsolete cpu function usage.
  ...
2015-04-20 10:19:03 -07:00
Linus Torvalds
b19a42e3cb Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull more s390 updates from Martin Schwidefsky:
 "The big thing in this second merge for s390 is the new eBPF JIT from
  Michael which replaces the old 32-bit backend.

  The remaining commits are bug fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/pci: add locking for fmb access
  s390/pci: extract software counters from fmb
  s390/dasd: Fix unresumed device after suspend/resume having no paths
  s390/dasd: fix unresumed device after suspend/resume
  s390/dasd: fix inability to set a DASD device offline
  s390/mm: Fix memory hotplug for unaligned standby memory
  s390/bpf: Add s390x eBPF JIT compiler backend
  s390: Use bool function return values of true/false not 1/0
2015-04-20 10:15:33 -07:00
Linus Torvalds
5ca08a82a7 Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
Pull m68k fixes from Greg Ungerer:
 "Nothing big, spelling fixes and fix/cleanup for ColdFire eth device setup"

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
  m68knommu: fix fec setup warning for ColdFire 5271 builds
  m68knommu: ColdFire 5271 only has a single FEC controller
  m68k: Fix trivial typos in comments
2015-04-20 10:12:29 -07:00
Olof Johansson
cdaa8cf348 Merge branch 'fixes' into next/fixes-non-critical
Merge a set of fixes that we missed sending in before v4.0 release. These
will also be sent to -stable.

* fixes: (659 commits)
  ARM: at91/dt: sama5d3 xplained: add phy address for macb1
  kbuild: Create directory for target DTB
  ARM: mvebu: Disable CPU Idle on Armada 38x
  arm64: juno: Fix misleading name of UART reference clock
  ARM: dts: sunxi: Remove overclocked/overvoltaged OPP
  ARM: dts: sun4i: a10-lime: Override and remove 1008MHz OPP setting
  ARM: socfpga: dts: fix spi1 interrupt
  ARM: dts: Fix gpio interrupts for dm816x
  ARM: dts: dra7: remove ti,hwmod property from pcie phy
  ARM: EXYNOS: Fix build breakage cpuidle on !SMP
  ARM: OMAP: dmtimer: disable pm runtime on remove
  ARM: OMAP: dmtimer: check for pm_runtime_get_sync() failure
  ARM: dts: fix lid and power pin-functions for exynos5250-spring
  ARM: dts: fix mmc node updates for exynos5250-spring
  ARM: OMAP2+: Fix socbus family info for AM33xx devices
  ARM: dts: omap3: Add missing dmas for crypto
  + Linux 4.0-rc4

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-04-20 07:59:04 -07:00
Linus Torvalds
09d51602cf Merge branch 'turbostat' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Pull turbostat update from Len Brown:
 "Updates to the turbostat utility.

  Just one kernel dependency in this batch -- added a #define to
  msr-index.h"

* 'turbostat' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
  tools/power turbostat: correct dumped pkg-cstate-limit value
  tools/power turbostat: calculate TSC frequency from CPUID(0x15) on SKL
  tools/power turbostat: correct DRAM RAPL units on recent Xeon processors
  tools/power turbostat: Initial Skylake support
  tools/power turbostat: Use $(CURDIR) instead of $(PWD) and add support for O= option in Makefile
  tools/power turbostat: modprobe msr, if needed
  tools/power turbostat: dump MSR_TURBO_RATIO_LIMIT2
  tools/power turbostat: use new MSR_TURBO_RATIO_LIMIT names
  x86 msr-index: define MSR_TURBO_RATIO_LIMIT,1,2
  tools/power turbostat: label base frequency
  tools/power turbostat: update PERF_LIMIT_REASONS decoding
  tools/power turbostat: simplify default output
2015-04-19 14:31:41 -07:00
Rusty Russell
e4afa120c9 cpumask: remove __first_cpu / __next_cpu
They were for use by the deprecated first_cpu() and next_cpu() wrappers,
but sparc used them directly.

They're now replaced by cpumask_first / cpumask_next.  And __next_cpu_nr
is completely obsolete.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: David S. Miller <davem@davemloft.net>
2015-04-19 14:35:32 +09:30
Linus Torvalds
64fb1d0e97 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Pull sparc fixes from David Miller
 "Unfortunately, I brown paper bagged the generic iommu pool allocator
  by applying the wrong revision of the patch series.

  This reverts the bad one, and puts the right one in"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  iommu-common: Fix PARISC compile-time warnings
  sparc: Make LDC use common iommu poll management functions
  sparc: Make sparc64 use scalable lib/iommu-common.c functions
  Break up monolithic iommu table/lock into finer graularity pools and lock
  sparc: Revert generic IOMMU allocator.
2015-04-18 18:01:29 -04:00
Sowmini Varadhan
0ae53ed15d sparc: Make LDC use common iommu poll management functions
Note that this conversion is only being done to consolidate the
code and ensure that the common code provides the sufficient
abstraction. It is not expected to result in any noticeable
performance improvement, as there is typically one ldc_iommu
per vnet_port, and each one has 8k entries, with a typical
request for 1-4 pages.  Thus LDC uses npools == 1.

Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-18 12:32:59 -07:00
Sowmini Varadhan
bb620c3d39 sparc: Make sparc64 use scalable lib/iommu-common.c functions
In iperf experiments running linux as the Tx side (TCP client) with
10 threads results in a severe performance drop when TSO is disabled,
indicating a weakness in the software that can be avoided by using
the scalable IOMMU arena DMA allocation.

Baseline numbers before this patch:
   with default settings (TSO enabled) :    9-9.5 Gbps
   Disable TSO using ethtool- drops badly:  2-3 Gbps.

After this patch, iperf client with 10 threads, can give a
throughput of at least 8.5 Gbps, even when TSO is disabled.

Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-18 12:32:59 -07:00
David S. Miller
c12f048ffd sparc: Revert generic IOMMU allocator.
I applied the wrong version of this patch series, V4 instead
of V10, due to a patchwork bundling snafu.

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-18 12:31:25 -07:00
Len Brown
0b2bb6925e tools/power turbostat: Initial Skylake support
Skylake adds some additional residency counters.

Skylake supports a different mix of RAPL registers
from any previous product.

In most other ways, Skylake is like Broadwell.

Signed-off-by: Len Brown <len.brown@intel.com>
2015-04-18 14:20:51 -04:00
Linus Torvalds
34a984f7b0 Merge branch 'x86-pmem-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull PMEM driver from Ingo Molnar:
 "This is the initial support for the pmem block device driver:
  persistent non-volatile memory space mapped into the system's physical
  memory space as large physical memory regions.

  The driver is based on Intel code, written by Ross Zwisler, with fixes
  by Boaz Harrosh, integrated with x86 e820 memory resource management
  and tidied up by Christoph Hellwig.

  Note that there were two other separate pmem driver submissions to
  lkml: but apparently all parties (Ross Zwisler, Boaz Harrosh) are
  reasonably happy with this initial version.

  This version enables minimal support that enables persistent memory
  devices out in the wild to work as block devices, identified through a
  magic (non-standard) e820 flag and auto-discovered if
  CONFIG_X86_PMEM_LEGACY=y, or added explicitly through manipulating the
  memory maps via the "memmap=..." boot option with the new, special '!'
  modifier character.

  Limitations: this is a regular block device, and since the pmem areas
  are not struct page backed, they are invisible to the rest of the
  system (other than the block IO device), so direct IO to/from pmem
  areas, direct mmap() or XIP is not possible yet.  The page cache will
  also shadow and double buffer pmem contents, etc.

  Initial support is for x86"

* 'x86-pmem-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  drivers/block/pmem: Fix 32-bit build warning in pmem_alloc()
  drivers/block/pmem: Add a driver for persistent memory
  x86/mm: Add support for the non-standard protected e820 type
2015-04-18 11:42:49 -04:00
Linus Torvalds
90d1c08786 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
 "This tree includes:

   - an FPU related crash fix

   - a ptrace fix (with matching testcase in tools/testing/selftests/)

   - an x86 Kconfig DMA-config defaults tweak to better avoid
     non-working drivers"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  config: Enable NEED_DMA_MAP_STATE by default when SWIOTLB is selected
  x86/fpu: Load xsave pointer *after* initialization
  x86/ptrace: Fix the TIF_FORCED_TF logic in handle_signal()
  x86, selftests: Add single_step_syscall test
2015-04-18 11:31:11 -04:00
Linus Torvalds
96b90f27bc Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Ingo Molnar:
 "This update has mostly fixes, but also other bits:

   - perf tooling fixes

   - PMU driver fixes

   - Intel Broadwell PMU driver HW-enablement for LBR callstacks

   - a late coming 'perf kmem' tool update that enables it to also
     analyze page allocation data.  Note, this comes with MM tracepoint
     changes that we believe to not break anything: because it changes
     the formerly opaque 'struct page *' field that uniquely identifies
     pages to 'pfn' which identifies pages uniquely too, but isn't as
     opaque and can be used for other purposes as well"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/intel/pt: Fix and clean up error handling in pt_event_add()
  perf/x86/intel: Add Broadwell support for the LBR callstack
  perf/x86/intel/rapl: Fix energy counter measurements but supporing per domain energy units
  perf/x86/intel: Fix Core2,Atom,NHM,WSM cycles:pp events
  perf/x86: Fix hw_perf_event::flags collision
  perf probe: Fix segfault when probe with lazy_line to file
  perf probe: Find compilation directory path for lazy matching
  perf probe: Set retprobe flag when probe in address-based alternative mode
  perf kmem: Analyze page allocator events also
  tracing, mm: Record pfn instead of pointer to struct page
2015-04-18 11:26:46 -04:00
Konrad Rzeszutek Wilk
a6dfa128ce config: Enable NEED_DMA_MAP_STATE by default when SWIOTLB is selected
A huge amount of NIC drivers use the DMA API, however if
compiled under 32-bit an very important part of the DMA API can
be ommitted leading to the drivers not working at all
(especially if used with 'swiotlb=force iommu=soft').

As Prashant Sreedharan explains it: "the driver [tg3] uses
DEFINE_DMA_UNMAP_ADDR(), dma_unmap_addr_set() to keep a copy of
the dma "mapping" and dma_unmap_addr() to get the "mapping"
value. On most of the platforms this is a no-op, but ... with
"iommu=soft and swiotlb=force" this house keeping is required,
... otherwise we pass 0 while calling pci_unmap_/pci_dma_sync_
instead of the DMA address."

As such enable this even when using 32-bit kernels.

Reported-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Prashant Sreedharan <prashant@broadcom.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michael Chan <mchan@broadcom.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: boris.ostrovsky@oracle.com
Cc: cascardo@linux.vnet.ibm.com
Cc: david.vrabel@citrix.com
Cc: sanjeevb@broadcom.com
Cc: siva.kallam@broadcom.com
Cc: vyasevich@gmail.com
Cc: xen-devel@lists.xensource.com
Link: http://lkml.kernel.org/r/20150417190448.GA9462@l.oracle.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-04-18 14:36:49 +02:00
Linus Torvalds
510965dd4a This is the bulk of GPIO changes for the v4.1 development
cycle:
 
 - A new GPIO hogging mechanism has been added. This can
   be used on boards that want to drive some GPIO line high,
   low, or set it as input on boot and then never touch it
   again. For some embedded systems this is bliss and
   simplifies things to a great extent.
 
 - Some API cleanup and closure: gpiod_get_array() and
   gpiod_put_array() has been added to get and put GPIOs
   in bulk as was possible with the non-descriptor API.
 
 - Encapsulate cross-calls to the pin control subsystem in
   <linux/gpio/driver.h>. Now this should be the only header
   any GPIO driver needs to include or something is wrong.
   Cleanups restricting drivers to this include are welcomed
   if tested.
 
 - Sort the GPIO Kconfig and split it into submenus, as
   it was becoming and unstructured, illogical and
   unnavigatable mess. I hope this is easier to follow.
   Menus that require a certain subsystem like I2C can
   now be hidden nicely for example, still working on
   others.
 
 - New drivers:
 
     - New driver for the Altera Soft GPIO.
 
     - The F7188x driver now handles the F71869 and
       F71869A variants.
 
     - The MIPS Loongson driver has been moved to
       drivers/gpio for consolidation and cleanup.
 
 - Cleanups:
 
    - The MAX732x is converted to use the GPIOLIB_IRQCHIP
      infrastructure.
 
    - The PCF857x is converted to use the GPIOLIB_IRQCHIP
      infrastructure.
 
    - Radical cleanup of the OMAP driver.
 
 - Misc:
 
    - Enable the DWAPB GPIO for all architectures. This is
      a "hard IP" block from Synopsys which has started to
      turn up in so diverse architectures as X86 Quark, ARC
      and a slew of ARM systems. So even though it's not an
      expander, it's generic enough to be available for all.
 
    - We add a mock GPIO on Crystalcove PMIC after a long
      discussion with Daniel Vetter et al, tracing back to
      the shootout at the kernel summit where DRM drivers
      and sub-componentization was discussed. In this case
      a mock GPIO is assumed to be the best compromise
      gaining some reuse of infrastructure without making
      DRM drivers overly complex at the same time. Let's
      see.
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Merge tag 'gpio-v4.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO updates from Linus Walleij:
 "This is the bulk of GPIO changes for the v4.1 development cycle:

   - A new GPIO hogging mechanism has been added.  This can be used on
     boards that want to drive some GPIO line high, low, or set it as
     input on boot and then never touch it again.  For some embedded
     systems this is bliss and simplifies things to a great extent.

   - Some API cleanup and closure: gpiod_get_array() and
     gpiod_put_array() has been added to get and put GPIOs in bulk as
     was possible with the non-descriptor API.

   - Encapsulate cross-calls to the pin control subsystem in
     <linux/gpio/driver.h>.  Now this should be the only header any GPIO
     driver needs to include or something is wrong.  Cleanups
     restricting drivers to this include are welcomed if tested.

   - Sort the GPIO Kconfig and split it into submenus, as it was
     becoming and unstructured, illogical and unnavigatable mess.  I
     hope this is easier to follow.  Menus that require a certain
     subsystem like I2C can now be hidden nicely for example, still
     working on others.

   - New drivers:

       - New driver for the Altera Soft GPIO.

       - The F7188x driver now handles the F71869 and F71869A variants.

       - The MIPS Loongson driver has been moved to drivers/gpio for
         consolidation and cleanup.

   - Cleanups:

       - The MAX732x is converted to use the GPIOLIB_IRQCHIP
         infrastructure.

       - The PCF857x is converted to use the GPIOLIB_IRQCHIP
         infrastructure.

       - Radical cleanup of the OMAP driver.

   - Misc:

       - Enable the DWAPB GPIO for all architectures.  This is a "hard
         IP" block from Synopsys which has started to turn up in so
         diverse architectures as X86 Quark, ARC and a slew of ARM
         systems.  So even though it's not an expander, it's generic
         enough to be available for all.

       - We add a mock GPIO on Crystalcove PMIC after a long discussion
         with Daniel Vetter et al, tracing back to the shootout at the
         kernel summit where DRM drivers and sub-componentization was
         discussed.  In this case a mock GPIO is assumed to be the best
         compromise gaining some reuse of infrastructure without making
         DRM drivers overly complex at the same time.  Let's see"

* tag 'gpio-v4.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (62 commits)
  Revert "gpio: sch: use uapi/linux/pci_ids.h directly"
  gpio: dwapb: remove dependencies
  gpio: dwapb: enable for ARC
  gpio: removing kfree remove functionality
  gpio: mvebu: Fix mask/unmask managment per irq chip type
  gpio: split GPIO drivers in submenus
  gpio: move MFD GPIO drivers under their own comment
  gpio: move BCM Kona Kconfig option
  gpio: arrange SPI Kconfig symbols alphabetically
  gpio: arrange PCI GPIO controllers alphabetically
  gpio: arrange I2C Kconfig symbols alphabetically
  gpio: arrange Kconfig symbols alphabetically
  gpio: ich: Implement get_direction function
  gpio: use (!foo) instead of (foo == NULL)
  gpio: arizona: drop owner assignment from platform_drivers
  gpio: max7300: remove 'ret' variable
  gpio: use devm_kzalloc
  gpio: sch: use uapi/linux/pci_ids.h directly
  gpio: x-gene: fix devm_ioremap_resource() check
  gpio: loongson: Add Loongson-3A/3B GPIO driver support
  ...
2015-04-18 08:22:10 -04:00
Ingo Molnar
0c99241c93 perf/x86/intel/pt: Fix and clean up error handling in pt_event_add()
Dan Carpenter reported that pt_event_add() has buggy
error handling logic: it returns 0 instead of -EBUSY when
it fails to start a newly added event.

Furthermore, the control flow in this function is messy,
with cleanup labels mixed with direct returns.

Fix the bug and clean up the code by converting it to
a straight fast path for the regular non-failing case,
plus a clear sequence of cascading goto labels to do
all cleanup.

NOTE: I materially changed the existing clean up logic in the
pt_event_start() failure case to use the direct
perf_aux_output_end() path, not pt_event_del(), because
perf_aux_output_end() is enough here.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Julia Lawall <julia.lawall@lip6.fr>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20150416103830.GB7847@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-04-18 13:31:26 +02:00
Linus Torvalds
e2fdae7e7c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Pull sparc updates from David Miller:
 "The PowerPC folks have a really nice scalable IOMMU pool allocator
  that we wanted to make use of for sparc.  So here we have a series
  that abstracts out their code into a common layer that anyone can make
  use of.

  Sparc is converted, and the PowerPC folks have reviewed and ACK'd this
  series and plan to convert PowerPC over as well"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  iommu-common: Fix PARISC compile-time warnings
  sparc: Make LDC use common iommu poll management functions
  sparc: Make sparc64 use scalable lib/iommu-common.c functions
  sparc: Break up monolithic iommu table/lock into finer graularity pools and lock
2015-04-17 16:19:26 -04:00
Linus Torvalds
6b6e177d63 Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile
Pull arch/tile updates from Chris Metcalf:
 "These are mostly nohz_full changes, plus a smattering of minor fixes
  (notably a couple for ftrace)"

* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
  tile: nohz: warn if nohz_full uses hypervisor shared cores
  tile: ftrace: fix function_graph tracer issues
  tile: map data region shadow of kernel as R/W
  tile: support CONTEXT_TRACKING and thus NOHZ_FULL
  tile: support arch_irq_work_raise
  arch: tile: fix null pointer dereference on pt_regs pointer
  tile/elf: reorganize notify_exec()
  tile: use si_int instead of si_ptr for compat_siginfo
2015-04-17 16:03:05 -04:00
Linus Torvalds
bfaf245022 Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS updates from Ralf Baechle:
 "This is the main pull request for MIPS for Linux 4.1.  Most
  noteworthy:

   - Add more Octeon-optimized crypto functions
   - Octeon crypto preemption and locking fixes
   - Little endian support for Octeon
   - Use correct CSR to soft reset Octeons
   - Support LEDs on the Octeon-based DSR-1000N
   - Fix PCI interrupt mapping for the Octeon-based DSR-1000N
   - Mark prom_free_prom_memory() as __init for a number of systems
   - Support for Imagination's Pistachio SOC.  This includes arch and
     CLK bits.  I'd like to merge pinctrl bits later
   - Improve parallelism of csum_partial for certain pipelines
   - Organize DTB files in subdirs like other architectures
   - Implement read_sched_clock for all MIPS platforms other than
     Octeon
   - Massive series of 38 fixes and cleanups for the FPU emulator /
     kernel
   - Further FPU remulator work to support new features.  This sits on a
     separate branch which also has been pulled into the 4.1 KVM branch
   - Clean up and fixes for the SEAD3 eval board; remove unused file
   - Various updates for Netlogic platforms
   - A number of small updates for Loongson 3 platforms
   - Increase the memory limit for ATH79 platforms to 256MB
   - A fair number of fixes and updates for BCM47xx platforms
   - Finish the implementation of XPA support
   - MIPS FDC support.  No, not floppy controller but Fast Debug Channel :)
   - Detect the R16000 used in SGI legacy platforms
   - Fix Kconfig dependencies for the SSB bus support"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (265 commits)
  MIPS: Makefile: Fix MIPS ASE detection code
  MIPS: asm: elf: Set O32 default FPU flags
  MIPS: BCM47XX: Fix detecting Microsoft MN-700 & Asus WL500G
  MIPS: Kconfig: Disable SMP/CPS for 64-bit
  MIPS: Hibernate: flush TLB entries earlier
  MIPS: smp-cps: cpu_set FPU mask if FPU present
  MIPS: lose_fpu(): Disable FPU when MSA enabled
  MIPS: ralink: add missing symbol for RALINK_ILL_ACC
  MIPS: ralink: Fix bad config symbol in PCI makefile.
  SSB: fix Kconfig dependencies
  MIPS: Malta: Detect and fix bad memsize values
  Revert "MIPS: Avoid pipeline stalls on some MIPS32R2 cores."
  MIPS: Octeon: Delete override of cpu_has_mips_r2_exec_hazard.
  MIPS: Fix cpu_has_mips_r2_exec_hazard.
  MIPS: kernel: entry.S: Set correct ISA level for mips_ihb
  MIPS: asm: spinlock: Fix addiu instruction for R10000_LLSC_WAR case
  MIPS: r4kcache: Use correct base register for MIPS R6 cache flushes
  MIPS: Kconfig: Fix typo for the r2-to-r6 emulator kernel parameter
  MIPS: unaligned: Fix regular load/store instruction emulation for EVA
  MIPS: unaligned: Surround load/store macros in do {} while statements
  ...
2015-04-17 15:50:54 -04:00
Linus Torvalds
96d928ed75 Xtensa changes and fixes for 4.1
- fix linker script transformation for .text / .text.fixup
 - wire bpf and execveat syscalls;
 - provide __NR_sync_file_range2 instead of __NR_sync_file_range, as that's
   what xtensa uses.
 
 - make xtfpgs LCD driver functional and configurable. This fixes hardware
   lockup on KC705/ML605 boot;
 - add audio subsystem bits to xtfpga DTS and provide sample KC705 config
   with audio features enabled.
 - add CY7C67300 USB controller support to XTFPGA.
 - fix locking issues in ISS network driver;
 - document PIC and MX interrupt distributor device tree bindings;
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Merge tag 'xtensa-20150416' of git://github.com/czankel/xtensa-linux

Pull Xtensa updates from Chris Zankel:

 - fix linker script transformation for .text / .text.fixup

 - wire bpf and execveat syscalls

 - provide __NR_sync_file_range2 instead of __NR_sync_file_range, as
   that's what xtensa uses.

 - make xtfpgs LCD driver functional and configurable.  This fixes
   hardware lockup on KC705/ML605 boot

 - add audio subsystem bits to xtfpga DTS and provide sample KC705
   config with audio features enabled

 - add CY7C67300 USB controller support to XTFPGA

 - fix locking issues in ISS network driver

 - document PIC and MX interrupt distributor device tree bindings

* tag 'xtensa-20150416' of git://github.com/czankel/xtensa-linux:
  xtensa: xtfpga: add CY7C67300 USB controller support
  irqchip: xtensa-pic: xtensa-mx: document DT bindings
  xtensa: ISS: fix locking in TAP network adapter
  xtensa: Fix fix linker script transformation for .text / .text.fixup
  xtensa: provide __NR_sync_file_range2 instead of __NR_sync_file_range
  xtensa: wire bpf and execveat syscalls
  xtensa: xtfpga: fix hardware lockup caused by LCD driver
  xtensa: xtfpga: provide defconfig with audio subsystem
  xtensa: xtfpga: add audio card to xtfpga DTS
2015-04-17 15:32:30 -04:00