35099 Commits

Author SHA1 Message Date
Fabien Dessenne
8f51bb7cae dt-bindings: mailbox: add STMicroelectronics STM32 IPCC binding
Add a binding for the STMicroelectronics STM32 IPCC block exposing a
mailbox mechanism between two processors.

Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2018-06-06 22:21:44 +05:30
Linus Torvalds
126f7051b4 sound updates for 4.18
We've got many code additions at this cycle as a result of quite a few
 new drivers.  Below are highlights:
 
 Core stuff:
 - Fix the long-standing issue with the device registration order;
   the control device is now registered at last
 - PCM locking code cleanups for RT kernels
 - Fixes for possible races in ALSA timer resolution accesses
 - TLV offset definitions in uapi
 
 ASoC:
 - Many fixes for the topology stuff, including fixes for v4 ABI
   compatibility
 - Lots of cleanups / quirks for Intel platforms based on Realtek
   CODECs
 - Continued componentization works, removing legacy CODEC stuff
 - Conversion of OMAP DMA to the new, more standard SDMA-PCM driver
 - Fixes and updates to Cirrus Logic SoC drivers
 - New Qualcomm DSP support
 - New drivers for Analog SSM2305, Atmel I2S controllers, Mediatek
   MT6351, MT6797 and MT7622, Qualcomm DSPs, Realtek RT1305, RT1306 and
   RT5668 and TI TSCS454
 
 HD-audio:
 - Finally better support for some CA0132 boards, allowing Windows
   firmware
 - HP Spectre x360 support along with a bulk of COEF stuff
 - Blacklisting power save default some known boards reported on Fedora
 
 USB-audio:
 - Continued improvements on UAC3 support; now BADD is supported
 - Fixes / improvements for Dell WD15 dock
 - Allow DMA coherent pages for PCM buffers for ARCH, MIPS & co
 
 Others:
 - New Xen sound frontend driver support
 - Cache implementation and other improvements for FireWire DICE
 - Conversions to octal permissions in allover places
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Merge tag 'sound-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "We've got many code additions at this cycle as a result of quite a few
  new drivers. Below are highlights:

  Core stuff:
   - Fix the long-standing issue with the device registration order; the
     control device is now registered at last
   - PCM locking code cleanups for RT kernels
   - Fixes for possible races in ALSA timer resolution accesses
   - TLV offset definitions in uapi

  ASoC:
   - Many fixes for the topology stuff, including fixes for v4 ABI
     compatibility
   - Lots of cleanups / quirks for Intel platforms based on Realtek
     CODECs
   - Continued componentization works, removing legacy CODEC stuff
   - Conversion of OMAP DMA to the new, more standard SDMA-PCM driver
   - Fixes and updates to Cirrus Logic SoC drivers
   - New Qualcomm DSP support
   - New drivers for Analog SSM2305, Atmel I2S controllers, Mediatek
     MT6351, MT6797 and MT7622, Qualcomm DSPs, Realtek RT1305, RT1306
     and RT5668 and TI TSCS454

  HD-audio:
   - Finally better support for some CA0132 boards, allowing Windows
     firmware
   - HP Spectre x360 support along with a bulk of COEF stuff
   - Blacklisting power save default some known boards reported on
     Fedora

  USB-audio:
   - Continued improvements on UAC3 support; now BADD is supported
   - Fixes / improvements for Dell WD15 dock
   - Allow DMA coherent pages for PCM buffers for ARCH, MIPS & co

  Others:
   - New Xen sound frontend driver support
   - Cache implementation and other improvements for FireWire DICE
   - Conversions to octal permissions in allover places"

* tag 'sound-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (386 commits)
  ASoC: dapm: delete dapm_kcontrol_data paths list before freeing it
  ALSA: usb-audio: remove redundant check on err
  ASoC: topology: Move skl-tplg-interface.h to uapi
  ASoC: topology: Move v4 manifest header data structures to uapi
  ASoC: topology: Improve backwards compatibility with v4 topology files
  ALSA: pci/hda: Remove unused, broken, header file
  ASoC: TSCS454: Add Support
  ASoC: Intel: kbl: Move codec sysclk config to codec_init function
  ASoC: simple-card: set cpu dai clk in hw_params
  ALSA: hda - Handle kzalloc() failure in snd_hda_attach_pcm_stream()
  ALSA: oxygen: use match_string() helper
  ASoC: dapm: use match_string() helper
  ASoC: max98095: use match_string() helper
  ASoC: max98088: use match_string() helper
  ASoC: Intel: bytcr_rt5651: Set card long_name based on quirks
  ASoC: mt6797-mt6351: add hostless phone call path
  ASoC: mt6797: add Hostless DAI
  ASoC: mt6797: add PCM interface
  ASoC: mediatek: export mtk-afe symbols as needed
  ASoC: codecs: PCM1789: include gpio/consumer.h
  ...
2018-06-06 09:08:38 -07:00
Linus Torvalds
135c5504a6 drm for v4.18-rc1
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Merge tag 'drm-next-2018-06-06-1' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "This starts to support NVIDIA volta hardware with nouveau, and adds
  amdgpu support for the GPU in the Kabylake-G (the intel + radeon
  single package chip), along with some initial Intel icelake enabling.

  Summary:

  New Drivers:
   - v3d - driver for broadcom V3D V3.x+ hardware
   - xen-front - XEN PV display frontend

  core:
   - handle zpos normalization in the core
   - stop looking at legacy pointers in atomic paths
   - improved scheduler documentation
   - improved aspect ratio validation
   - aspect ratio support for 64:27 and 256:135
   - drop unused control node code.

  i915:
   - Icelake (ICL) enabling
   - GuC/HuC refactoring
   - PSR/PSR2 enabling and fixes
   - DPLL management refactoring
   - DP MST fixes
   - NV12 enabling
   - HDCP improvements
   - GEM/Execlist/reset improvements
   - GVT improvements
   - stolen memory first 4k fix

  amdgpu:
   - Vega 20 support
   - VEGAM support (Kabylake-G)
   - preOS scanout buffer reservation
   - power management gfxoff support for raven
   - SR-IOV fixes
   - Vega10 power profiles and clock voltage control
   - scatter/gather display support on CZ/ST

  amdkfd:
   - GFX9 dGPU support
   - userptr memory mapping

  nouveau:
   - major refactoring for Volta GV100 support

  tda998x:
   - HDMI i2c CEC support

  etnaviv:
   - removed unused logging code
   - license text cleanups
   - MMU handling improvements
   - timeout fence fix for 50 days uptime

  tegra:
   - IOMMU support in gr2d/gr3d drivers
   - zpos support

  vc4:
   - syncobj support
   - CTM, plane alpha and async cursor support

  analogix_dp:
   - HPD and aux chan fixes

  sun4i:
   - MIPI DSI support

  tilcdc:
   - clock divider fixes for OMAP-l138 LCDK board

  rcar-du:
   - R8A77965 support
   - dma-buf fences fixes
   - hardware indexed crtc/du group handling
   - generic zplane property support

  atmel-hclcdc:
   - generic zplane property support

  mediatek:
   - use generic video mode function

  exynos:
   - S5PV210 FIMD variant support
   - IPP v2 framework
   - more HW overlays support"

* tag 'drm-next-2018-06-06-1' of git://anongit.freedesktop.org/drm/drm: (1286 commits)
  drm/amdgpu: fix 32-bit build warning
  drm/exynos: fimc: signedness bug in fimc_setup_clocks()
  drm/exynos: scaler: fix static checker warning
  drm/amdgpu: Use dev_info() to report amdkfd is not supported for this ASIC
  drm/amd/display: Remove use of division operator for long longs
  drm/amdgpu: Update GFX info structure to match what vega20 used
  drm/amdgpu/pp: remove duplicate assignment
  drm/sched: add rcu_barrier after entity fini
  drm/amdgpu: move VM BOs on LRU again
  drm/amdgpu: consistenly use VM moved flag
  drm/amdgpu: kmap PDs/PTs in amdgpu_vm_update_directories
  drm/amdgpu: further optimize amdgpu_vm_handle_moved
  drm/amdgpu: cleanup amdgpu_vm_validate_pt_bos v2
  drm/amdgpu: rework VM state machine lock handling v2
  drm/amdgpu: Add runtime VCN PG support
  drm/amdgpu: Enable VCN static PG by default on RV
  drm/amdgpu: Add VCN static PG support on RV
  drm/amdgpu: Enable VCN CG by default on RV
  drm/amdgpu: Add static CG control for VCN on RV
  drm/exynos: Fix default value for zpos plane property
  ...
2018-06-06 08:16:33 -07:00
Ulf Hansson
657c292ce1 PM / Domains: dt: Allow power-domain property to be a list of specifiers
To be able to describe topologies where devices are partitioned across
multiple power domains, let's extend the power-domain property to allow
being a list of PM domain specifiers.

Suggested-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2018-06-06 09:09:21 +02:00
Erik Schmauss
fb145901e0 ACPI / Documentation: update ACPI customize method feature docs
Reviewed-by: Changzhong Li <changzhong.li@intel.com>
Reviewed-by: Rui Zhang <rui.zhang@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2018-06-06 08:48:00 +02:00
Linus Torvalds
a22e48cf31 TTY/Serial patches for 4.18-rc1
Here is the big tty/serial driver update for 4.18-rc1.
 
 There's nothing major here, just lots of serial driver updates.  Full
 details are in the shortlog, nothing anything specific to call out here.
 
 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-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial updates from Greg KH:
 "Here is the big tty/serial driver update for 4.18-rc1.

  There's nothing major here, just lots of serial driver updates. Full
  details are in the shortlog, nothing anything specific to call out
  here.

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

* tag 'tty-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (55 commits)
  vt: Perform safe console erase only once
  serial: imx: disable UCR4_OREN on shutdown
  serial: imx: drop CTS/RTS handling from shutdown
  tty: fix typo in ASYNCB_FOURPORT comment
  serial: samsung: check DMA engine capabilities before using DMA mode
  tty: Fix data race in tty_insert_flip_string_fixed_flag
  tty: serial: msm_geni_serial: Fix TX infinite loop
  serial: 8250_dw: Fix runtime PM handling
  serial: 8250: omap: Fix idling of clocks for unused uarts
  tty: serial: drop ATH79 specific SoC symbols
  serial: 8250: Add missing rxtrig_bytes on Altera 16550 UART
  serial/aspeed-vuart: fix a couple mod_timer() calls
  serial: sh-sci: Use spin_{try}lock_irqsave instead of open coding version
  serial: 8250_of: Add IO space support
  tty/serial: atmel: use port->name as name in request_irq()
  serial: imx: dma_unmap_sg buffers on shutdown
  serial: imx: cleanup imx_uart_disable_dma()
  tty: serial: qcom_geni_serial: Add early console support
  tty: serial: qcom_geni_serial: Return IRQ_NONE for spurious interrupts
  tty: serial: qcom_geni_serial: Use iowrite32_rep to write to FIFO
  ...
2018-06-05 16:55:56 -07:00
Linus Torvalds
ec064d3c6b Driver core changes for 4.18-rc1
Here is the driver core patchset for 4.18-rc1.
 
 The large chunk of these are firmware core documentation and api
 updates.  Nothing major there, just better descriptions for others to be
 able to understand the firmware code better.  There's also a user for a
 new firmware api call.
 
 Other than that, there are some minor updates for debugfs, kernfs, and
 the driver core itself.
 
 All of these 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-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is the driver core patchset for 4.18-rc1.

  The large chunk of these are firmware core documentation and api
  updates. Nothing major there, just better descriptions for others to
  be able to understand the firmware code better. There's also a user
  for a new firmware api call.

  Other than that, there are some minor updates for debugfs, kernfs, and
  the driver core itself.

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

* tag 'driver-core-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (23 commits)
  driver core: hold dev's parent lock when needed
  driver-core: return EINVAL error instead of BUG_ON()
  driver core: add __printf verification to device_create_groups_vargs
  mm: memory_hotplug: use put_device() if device_register fail
  base: core: fix typo 'can by' to 'can be'
  debugfs: inode: debugfs_create_dir uses mode permission from parent
  debugfs: Re-use kstrtobool_from_user()
  Documentation: clarify firmware_class provenance and why we can't rename the module
  Documentation: remove stale firmware API reference
  Documentation: fix few typos and clarifications for the firmware loader
  ath10k: re-enable the firmware fallback mechanism for testmode
  ath10k: use firmware_request_nowarn() to load firmware
  firmware: add firmware_request_nowarn() - load firmware without warnings
  firmware_loader: make firmware_fallback_sysfs() print more useful
  firmware_loader: move kconfig FW_LOADER entries to its own file
  firmware_loader: replace ---help--- with help
  firmware_loader: enhance Kconfig documentation over FW_LOADER
  firmware_loader: document firmware_sysfs_fallback()
  firmware: rename fw_sysfs_fallback to firmware_fallback_sysfs()
  firmware: use () to terminate kernel-doc function names
  ...
2018-06-05 16:29:19 -07:00
Linus Torvalds
abf7dba7c4 Char/Misc driver patches for 4.18-rc1
Here is the "big" char and misc driver patches for 4.18-rc1.
 
 It's not a lot of stuff here, but there are some highlights:
 	- coreboot driver updates
 	- soundwire driver updates
 	- android binder updates
 	- fpga big sync, mostly documentation
 	- lots of minor driver updates
 
 All of these 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-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver updates from Greg KH:
 "Here is the "big" char and misc driver patches for 4.18-rc1.

  It's not a lot of stuff here, but there are some highlights:

   - coreboot driver updates

   - soundwire driver updates

   - android binder updates

   - fpga big sync, mostly documentation

   - lots of minor driver updates

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

* tag 'char-misc-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (81 commits)
  vmw_balloon: fixing double free when batching mode is off
  MAINTAINERS: Add driver-api/fpga path
  fpga: clarify that unregister functions also free
  documentation: fpga: move fpga-region.txt to driver-api
  documentation: fpga: add bridge document to driver-api
  documentation: fpga: move fpga-mgr.txt to driver-api
  Documentation: fpga: move fpga overview to driver-api
  fpga: region: kernel-doc fixes
  fpga: bridge: kernel-doc fixes
  fpga: mgr: kernel-doc fixes
  fpga: use SPDX
  fpga: region: change api, add fpga_region_create/free
  fpga: bridge: change api, don't use drvdata
  fpga: manager: change api, don't use drvdata
  fpga: region: don't use drvdata in common fpga code
  Drivers: hv: vmbus: Removed an unnecessary cast from void *
  ver_linux: Drop redundant calls to system() to test if file is readable
  ver_linux: Move stderr redirection from function parameter to function body
  misc: IBM Virtual Management Channel Driver (VMC)
  rpmsg: Correct support for MODULE_DEVICE_TABLE()
  ...
2018-06-05 16:20:22 -07:00
Linus Torvalds
07c4dd3435 USB/PHY patches for 4.18-rc1
Here is the big USB pull request for 4.18-rc1.
 
 Lots of stuff here, the highlights are:
 	- phy driver updates and new additions
 	- usual set of xhci driver updates
 	- normal set of musb updates
 	- gadget driver updates and new controllers
 	- typec work, it's getting closer to getting fully out of the
 	  staging portion of the tree.
 	- lots of minor cleanups and bugfixes.
 
 All of these 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-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB and PHY updates from Greg KH:
 "Here is the big USB pull request for 4.18-rc1.

  Lots of stuff here, the highlights are:

   - phy driver updates and new additions

   - usual set of xhci driver updates

   - normal set of musb updates

   - gadget driver updates and new controllers

   - typec work, it's getting closer to getting fully out of the staging
     portion of the tree.

   - lots of minor cleanups and bugfixes.

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

* tag 'usb-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (263 commits)
  Revert "xhci: Reset Renesas uPD72020x USB controller for 32-bit DMA issue"
  xhci: Add quirk to zero 64bit registers on Renesas PCIe controllers
  xhci: Allow more than 32 quirks
  usb: xhci: force all memory allocations to node
  selftests: add test for USB over IP driver
  USB: typec: fsusb302: no need to check return value of debugfs_create_dir()
  USB: gadget: udc: s3c2410_udc: no need to check return value of debugfs_create functions
  USB: gadget: udc: renesas_usb3: no need to check return value of debugfs_create functions
  USB: gadget: udc: pxa27x_udc: no need to check return value of debugfs_create functions
  USB: gadget: udc: gr_udc: no need to check return value of debugfs_create functions
  USB: gadget: udc: bcm63xx_udc: no need to check return value of debugfs_create functions
  USB: udc: atmel_usba_udc: no need to check return value of debugfs_create functions
  USB: dwc3: no need to check return value of debugfs_create functions
  USB: dwc2: no need to check return value of debugfs_create functions
  USB: core: no need to check return value of debugfs_create functions
  USB: chipidea: no need to check return value of debugfs_create functions
  USB: ehci-hcd: no need to check return value of debugfs_create functions
  USB: fhci-hcd: no need to check return value of debugfs_create functions
  USB: fotg210-hcd: no need to check return value of debugfs_create functions
  USB: imx21-hcd: no need to check return value of debugfs_create functions
  ...
2018-06-05 16:14:12 -07:00
Linus Torvalds
f60342fac9 MMC core:
- Decrease polling rate for erase/trim/discard
  - Allow non-sleeping GPIOs for card detect
  - Improve mmc block removal path
  - Enable support for mmc_sw_reset() for SDIO cards
  - Add mmc_sw_reset() to allow users to do a soft reset of the card
  - Allow power delay to be tunable via DT
  - Allow card detect debounce delay to be tunable via DT
  - Enable new quirk to limit clock rate for Marvell 8887 chip
  - Don't show eMMC RPMB and BOOT areas in /proc/partitions
  - Add capability to avoid 3.3V signaling for fragile HWs
 
 MMC host:
  - Improve/fixup support for handle highmem pages
  - Remove depends on HAS_DMA in case of platform dependency
  - mvsdio: Enable support for erase/trim/discard
  - rtsx_usb: Enable support for erase/trim/discard
  - renesas_sdhi: Fix WP logic regressions
  - renesas_sdhi: Add r8a77965 support
  - renesas_sdhi: Add R8A77980 to whitelist
  - meson: Add optional support for device reset
  - meson: Add support for the Meson-AXG platform
  - dw_mmc: Add new driver for BlueField DW variant
  - mediatek: Add support for 64G DRAM DMA
  - sunxi: Deploy runtime PM support
  - jz4740: Add support for JZ4780
  - jz4740: Enable support for DT based platforms
  - sdhci: Various improvement to timeout handling
  - sdhci: Disable support for HS200/HS400/UHS when no 1.8V support
  - sdhci-omap: Add support for controller in k2g SoC
  - sdhci-omap: Add workarounds for a couple of Erratas
  - sdhci-omap: Enable support for generic sdhci DT properties
  - sdhci-cadence: Re-send tune request to deal with errata
  - sdhci-pci: Fix 3.3V voltage switch for some BYT-based Intel controllers
  - sdhci-pci: Avoid 3.3V signaling on some NI 904x
  - sdhci-esdhc-imx: Use watermark levels for PIO access
  - sdhci-msm: Improve card detection handling
  - sdhci-msm: Add support voltage pad switching
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Merge tag 'mmc-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:
   - Decrease polling rate for erase/trim/discard
   - Allow non-sleeping GPIOs for card detect
   - Improve mmc block removal path
   - Enable support for mmc_sw_reset() for SDIO cards
   - Add mmc_sw_reset() to allow users to do a soft reset of the card
   - Allow power delay to be tunable via DT
   - Allow card detect debounce delay to be tunable via DT
   - Enable new quirk to limit clock rate for Marvell 8887 chip
   - Don't show eMMC RPMB and BOOT areas in /proc/partitions
   - Add capability to avoid 3.3V signaling for fragile HWs

  MMC host:
   - Improve/fixup support for handle highmem pages
   - Remove depends on HAS_DMA in case of platform dependency
   - mvsdio: Enable support for erase/trim/discard
   - rtsx_usb: Enable support for erase/trim/discard
   - renesas_sdhi: Fix WP logic regressions
   - renesas_sdhi: Add r8a77965 support
   - renesas_sdhi: Add R8A77980 to whitelist
   - meson: Add optional support for device reset
   - meson: Add support for the Meson-AXG platform
   - dw_mmc: Add new driver for BlueField DW variant
   - mediatek: Add support for 64G DRAM DMA
   - sunxi: Deploy runtime PM support
   - jz4740: Add support for JZ4780
   - jz4740: Enable support for DT based platforms
   - sdhci: Various improvement to timeout handling
   - sdhci: Disable support for HS200/HS400/UHS when no 1.8V support
   - sdhci-omap: Add support for controller in k2g SoC
   - sdhci-omap: Add workarounds for a couple of Erratas
   - sdhci-omap: Enable support for generic sdhci DT properties
   - sdhci-cadence: Re-send tune request to deal with errata
   - sdhci-pci: Fix 3.3V voltage switch for some BYT-based Intel controllers
   - sdhci-pci: Avoid 3.3V signaling on some NI 904x
   - sdhci-esdhc-imx: Use watermark levels for PIO access
   - sdhci-msm: Improve card detection handling
   - sdhci-msm: Add support voltage pad switching"

* tag 'mmc-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (104 commits)
  mmc: renesas_sdhi: really fix WP logic regressions
  mmc: mvsdio: Enable MMC_CAP_ERASE
  mmc: mvsdio: Respect card busy time out from mmc core
  mmc: sdhci-msm: Remove NO_CARD_NO_RESET quirk
  mmc: sunxi: Use ifdef rather than __maybe_unused
  mmc: mxmmc: Use ifdef rather than __maybe_unused
  mmc: mxmmc: include linux/highmem.h
  mmc: sunxi: mark PM functions as __maybe_unused
  mmc: Throttle calls to MMC_SEND_STATUS during mmc_do_erase()
  mmc: au1xmmc: handle highmem pages
  mmc: Allow non-sleeping GPIO cd
  mmc: sdhci-*: Don't emit error msg if sdhci_add_host() fails
  mmc: sd: Define name for default speed dtr
  mmc: core: Move calls to ->prepare_hs400_tuning() closer to mmc code
  mmc: sdhci-xenon: use match_string() helper
  mmc: wbsd: handle highmem pages
  mmc: ushc: handle highmem pages
  mmc: mxcmmc: handle highmem pages
  mmc: atmel-mci: use sg_copy_{from,to}_buffer
  mmc: android-goldfish: use sg_copy_{from,to}_buffer
  ...
2018-06-05 16:11:43 -07:00
Linus Torvalds
5231804cf9 LED updates for 4.18-rc1
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Merge tag 'leds_for_4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds

Pull LED updates from Jacek Anaszewski:
 "This was quite a fruitful cycle, taking into account usual traffic on
  linux-leds list, as we managed to merge three new LED class drivers.

  New LED class drivers with related DT bindings:
   - add LED driver for CR0014114 board
   - add Spreadtrum SC27xx breathing light controller driver
   - introduce the lm3601x LED driver

  LED class fix:
   - ensure workqueue is initialized before setting brightness

  Improvements and fixes to existing LED class drivers:
   - fix return value check in sc27xx_led_probe()
   - use sysfs_match_string() helper in wm831x_status_src_store()"

* tag 'leds_for_4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
  leds: class: ensure workqueue is initialized before setting brightness
  leds: lm3601x: Introduce the lm3601x LED driver
  dt: bindings: lm3601x: Introduce the lm3601x driver
  leds: sc27xx: Fix return value check in sc27xx_led_probe()
  leds: Add Spreadtrum SC27xx breathing light controller driver
  dt-bindings: leds: Add SC27xx breathing light controller documentation
  leds: wm831x-status: Use sysfs_match_string() helper
  leds: add LED driver for CR0014114 board
  dt-bindings: Add vendor prefix and docs for CR0014114
2018-06-05 16:07:55 -07:00
Linus Torvalds
2158091d9c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:

 - a new driver to ChipOne icn8505 based touchscreens

 - on certain systems with Elan touch controllers they will be switched
   away form PS/2 emulation and over to native SMbus mode

 - assorted driver fixups and improvements

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (24 commits)
  Input: elan_i2c - add ELAN0612 (Lenovo v330 14IKB) ACPI ID
  Input: goodix - add new ACPI id for GPD Win 2 touch screen
  Input: xpad - add GPD Win 2 Controller USB IDs
  Input: ti_am335x_tsc - prevent system suspend when TSC is in use
  Input: ti_am335x_tsc - ack pending IRQs at probe and before suspend
  Input: cros_ec_keyb - mark cros_ec_keyb driver as wake enabled device.
  Input: mk712 - update documentation web link
  Input: atmel_mxt_ts - fix reset-gpio for level based irqs
  Input: atmel_mxt_ts - require device properties present when probing
  Input: psmouse-smbus - allow to control psmouse_deactivate
  Input: elantech - detect new ICs and setup Host Notify for them
  Input: elantech - add support for SMBus devices
  Input: elantech - query the resolution in query_info
  Input: elantech - split device info into a separate structure
  Input: elan_i2c - add trackstick report
  Input: usbtouchscreen - add sysfs attribute for 3M MTouch firmware rev
  Input: ati_remote2 - fix typo 'can by' to 'can be'
  Input: replace hard coded string with __func__ in pr_err()
  Input: add support for ChipOne icn8505 based touchscreens
  Input: gamecon - avoid using __set_bit() for capabilities
  ...
2018-06-05 16:05:14 -07:00
Rob Herring
44acf10587 dt-bindings: submitting-patches: add guidance on patch content and subject
Clarify that binding patches should also include include/dt-bindings/*
as part of them. The binding doc defines the ABI and the includes are
part of that. Add some details on the preferred subject prefix and
contents.

Signed-off-by: Rob Herring <robh@kernel.org>
2018-06-05 16:37:47 -06:00
Linus Torvalds
fd59ccc530 Add bunch of cleanups, and add support for the Speck128/256
algorithms.  Yes, Speck is contrversial, but the intention is to use
 them only for the lowest end Android devices, where the alternative
 *really* is no encryption at all for data stored at rest.
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Merge tag 'fscrypt_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt

Pull fscrypt updates from Ted Ts'o:
 "Add bunch of cleanups, and add support for the Speck128/256
  algorithms.

  Yes, Speck is contrversial, but the intention is to use them only for
  the lowest end Android devices, where the alternative *really* is no
  encryption at all for data stored at rest"

* tag 'fscrypt_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt:
  fscrypt: log the crypto algorithm implementations
  fscrypt: add Speck128/256 support
  fscrypt: only derive the needed portion of the key
  fscrypt: separate key lookup from key derivation
  fscrypt: use a common logging function
  fscrypt: remove internal key size constants
  fscrypt: remove unnecessary check for non-logon key type
  fscrypt: make fscrypt_operations.max_namelen an integer
  fscrypt: drop empty name check from fname_decrypt()
  fscrypt: drop max_namelen check from fname_decrypt()
  fscrypt: don't special-case EOPNOTSUPP from fscrypt_get_encryption_info()
  fscrypt: don't clear flags on crypto transform
  fscrypt: remove stale comment from fscrypt_d_revalidate()
  fscrypt: remove error messages for skcipher_request_alloc() failure
  fscrypt: remove unnecessary NULL check when allocating skcipher
  fscrypt: clean up after fscrypt_prepare_lookup() conversions
  fs, fscrypt: only define ->s_cop when FS_ENCRYPTION is enabled
  fscrypt: use unbound workqueue for decryption
2018-06-05 15:15:32 -07:00
Linus Torvalds
6567af78ac Changes for 4.18:
- Strengthen inode number and structure validation when allocating inodes.
 - Reduce pointless buffer allocations during cache miss
 - Use FUA for pure data O_DSYNC directio writes
 - Various iomap refactorings
 - Strengthen quota metadata verification to avoid unfixable broken quota
 - Make AGFL block freeing a deferred operation to avoid blowing out
   transaction reservations when running complex operations
 - Get rid of the log item descriptors to reduce log overhead
 - Fix various reflink bugs where inodes were double-joined to
   transactions
 - Don't issue discards when trimming unwritten extents
 - Refactor incore dquot initialization and retrieval interfaces
 - Fix some locking problmes in the quota scrub code
 - Strengthen btree structure checks in scrub code
 - Rewrite swapfile activation to use iomap and support unwritten extents
 - Make scrub exit to userspace sooner when corruptions or
   cross-referencing problems are found
 - Make scrub invoke the data fork scrubber directly on metadata inodes
 - Don't do background reclamation of post-eof and cow blocks when the fs
   is suspended
 - Fix secondary superblock buffer lifespan hinting
 - Refactor growfs to use table-dispatched functions instead of long
   stringy functions
 - Move growfs code to libxfs
 - Implement online fs label getting and setting
 - Introduce online filesystem repair (in a very limited capacity)
 - Fix unit conversion problems in the realtime freemap iteration
   functions
 - Various refactorings and cleanups in preparation to remove buffer
   heads in a future release
 - Reimplement the old bmap call with iomap
 - Remove direct buffer head accesses from seek hole/data
 - Various bug fixes
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Merge tag 'xfs-4.18-merge-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs updates from Darrick Wong:
 "New features this cycle include the ability to relabel mounted
  filesystems, support for fallocated swapfiles, and using FUA for pure
  data O_DSYNC directio writes. With this cycle we begin to integrate
  online filesystem repair and refactor the growfs code in preparation
  for eventual subvolume support, though the road ahead for both
  features is quite long.

  There are also numerous refactorings of the iomap code to remove
  unnecessary log overhead, to disentangle some of the quota code, and
  to prepare for buffer head removal in a future upstream kernel.

  Metadata validation continues to improve, both in the hot path
  veifiers and the online filesystem check code. I anticipate sending a
  second pull request in a few days with more metadata validation
  improvements.

  This series has been run through a full xfstests run over the weekend
  and through a quick xfstests run against this morning's master, with
  no major failures reported.

  Summary:

   - Strengthen inode number and structure validation when allocating
     inodes.

   - Reduce pointless buffer allocations during cache miss

   - Use FUA for pure data O_DSYNC directio writes

   - Various iomap refactorings

   - Strengthen quota metadata verification to avoid unfixable broken
     quota

   - Make AGFL block freeing a deferred operation to avoid blowing out
     transaction reservations when running complex operations

   - Get rid of the log item descriptors to reduce log overhead

   - Fix various reflink bugs where inodes were double-joined to
     transactions

   - Don't issue discards when trimming unwritten extents

   - Refactor incore dquot initialization and retrieval interfaces

   - Fix some locking problmes in the quota scrub code

   - Strengthen btree structure checks in scrub code

   - Rewrite swapfile activation to use iomap and support unwritten
     extents

   - Make scrub exit to userspace sooner when corruptions or
     cross-referencing problems are found

   - Make scrub invoke the data fork scrubber directly on metadata
     inodes

   - Don't do background reclamation of post-eof and cow blocks when the
     fs is suspended

   - Fix secondary superblock buffer lifespan hinting

   - Refactor growfs to use table-dispatched functions instead of long
     stringy functions

   - Move growfs code to libxfs

   - Implement online fs label getting and setting

   - Introduce online filesystem repair (in a very limited capacity)

   - Fix unit conversion problems in the realtime freemap iteration
     functions

   - Various refactorings and cleanups in preparation to remove buffer
     heads in a future release

   - Reimplement the old bmap call with iomap

   - Remove direct buffer head accesses from seek hole/data

   - Various bug fixes"

* tag 'xfs-4.18-merge-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (121 commits)
  fs: use ->is_partially_uptodate in page_cache_seek_hole_data
  fs: remove the buffer_unwritten check in page_seek_hole_data
  fs: move page_cache_seek_hole_data to iomap.c
  xfs: use iomap_bmap
  iomap: add an iomap-based bmap implementation
  iomap: add a iomap_sector helper
  iomap: use __bio_add_page in iomap_dio_zero
  iomap: move IOMAP_F_BOUNDARY to gfs2
  iomap: fix the comment describing IOMAP_NOWAIT
  iomap: inline data should be an iomap type, not a flag
  mm: split ->readpages calls to avoid non-contiguous pages lists
  mm: return an unsigned int from __do_page_cache_readahead
  mm: give the 'ret' variable a better name __do_page_cache_readahead
  block: add a lower-level bio_add_page interface
  xfs: fix error handling in xfs_refcount_insert()
  xfs: fix xfs_rtalloc_rec units
  xfs: strengthen rtalloc query range checks
  xfs: xfs_rtbuf_get should check the bmapi_read results
  xfs: xfs_rtword_t should be unsigned, not signed
  dax: change bdev_dax_supported() to support boolean returns
  ...
2018-06-05 13:24:20 -07:00
Cong Wang
75d4e704fa netdev-FAQ: clarify DaveM's position for stable backports
Per discussion with David at netconf 2018, let's clarify
DaveM's position of handling stable backports in netdev-FAQ.

This is important for people relying on upstream -stable
releases.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-05 14:19:45 -04:00
Greg Kroah-Hartman
44d2ebba51 ncpfs: remove Documentation
No need for any more ncpfs documentation around given that the
filesystem is now removed.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-06-05 19:23:26 +02:00
Linus Torvalds
f4fe74cc90 ACPI updates for 4.18-rc1
These update the ACPICA code in the kernel to the 20180508 upstream
 revision and make it support the RT patch, add CPPC v3 support to the
 ACPI CPPC library, add a WDAT-based watchdog quirk to prevent clashes
 with the RTC, add quirks to the ACPI AC and battery drivers, and
 update the ACPI SoC drivers.
 
 Specifics:
 
  - Update the ACPICA code in the kernel to the 20180508 upstream
    revision including:
    * iASL -tc option enhancement (Bob Moore).
    * Debugger improvements (Bob Moore).
    * Support for tables larger than 1 MB in acpidump/acpixtract
      (Bob Moore).
    * Minor fixes and cleanups (Colin Ian King, Toomas Soome).
 
  - Make the ACPICA code in the kernel support the RT patch (Sebastian
    Andrzej Siewior, Steven Rostedt).
 
  - Add a kmemleak annotation to the ACPICA code (Larry Finger).
 
  - Add CPPC v3 support to the ACPI CPPC library and fix two issues
    related to CPPC (Prashanth Prakash, Al Stone).
 
  - Add an ACPI WDAT-based watchdog quirk to prefer iTCO_wdt on
    systems where WDAT clashes with the RTC SRAM (Mika Westerberg).
 
  - Add some quirks to the ACPI AC and battery drivers (Carlo Caione,
    Hans de Goede).
 
  - Update the ACPI SoC drivers for Intel (LPSS) and AMD (APD)
    platforms (Akshu Agrawal, Hans de Goede).
 
  - Fix up some assorted minor issues (Al Stone, Laszlo Toth,
    Mathieu Malaterre).
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Merge tag 'acpi-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI updates from Rafael Wysocki:
 "These update the ACPICA code in the kernel to the 20180508 upstream
  revision and make it support the RT patch, add CPPC v3 support to the
  ACPI CPPC library, add a WDAT-based watchdog quirk to prevent clashes
  with the RTC, add quirks to the ACPI AC and battery drivers, and
  update the ACPI SoC drivers.

  Specifics:

   - Update the ACPICA code in the kernel to the 20180508 upstream
     revision including:
       * iASL -tc option enhancement (Bob Moore).
       * Debugger improvements (Bob Moore).
       * Support for tables larger than 1 MB in acpidump/acpixtract (Bob
         Moore).
       * Minor fixes and cleanups (Colin Ian King, Toomas Soome).

   - Make the ACPICA code in the kernel support the RT patch (Sebastian
     Andrzej Siewior, Steven Rostedt).

   - Add a kmemleak annotation to the ACPICA code (Larry Finger).

   - Add CPPC v3 support to the ACPI CPPC library and fix two issues
     related to CPPC (Prashanth Prakash, Al Stone).

   - Add an ACPI WDAT-based watchdog quirk to prefer iTCO_wdt on systems
     where WDAT clashes with the RTC SRAM (Mika Westerberg).

   - Add some quirks to the ACPI AC and battery drivers (Carlo Caione,
     Hans de Goede).

   - Update the ACPI SoC drivers for Intel (LPSS) and AMD (APD)
     platforms (Akshu Agrawal, Hans de Goede).

   - Fix up some assorted minor issues (Al Stone, Laszlo Toth, Mathieu
     Malaterre)"

* tag 'acpi-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (32 commits)
  ACPICA: Mark acpi_ut_create_internal_object_dbg() memory allocations as non-leaks
  ACPI / watchdog: Prefer iTCO_wdt always when WDAT table uses RTC SRAM
  mailbox: PCC: erroneous error message when parsing ACPI PCCT
  ACPICA: Update version to 20180508
  ACPICA: acpidump/acpixtract: Support for tables larger than 1MB
  ACPI: APD: Add AMD misc clock handler support
  clk: x86: Add ST oscout platform clock
  ACPICA: Update version to 20180427
  ACPICA: Debugger: Removed direct support for EC address space in "Test Objects"
  ACPICA: Debugger: Add Package support for "test objects" command
  ACPICA: Improve error messages for the namespace root node
  ACPICA: Fix potential infinite loop in acpi_rs_dump_byte_list
  ACPICA: vsnprintf: this statement may fall through
  ACPICA: Tables: Fix spelling mistake in comment
  ACPICA: iASL: Enhance the -tc option (create AML hex file in C)
  ACPI: Add missing prototype_for arch_post_acpi_subsys_init()
  ACPI / tables: improve comments regarding acpi_parse_entries_array()
  ACPICA: Convert acpi_gbl_hardware lock back to an acpi_raw_spinlock
  ACPICA: provide abstraction for raw_spinlock_t
  ACPI / CPPC: Fix invalid PCC channel status errors
  ...
2018-06-05 10:08:27 -07:00
David S. Miller
fd129f8941 Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Daniel Borkmann says:

====================
pull-request: bpf-next 2018-06-05

The following pull-request contains BPF updates for your *net-next* tree.

The main changes are:

1) Add a new BPF hook for sendmsg similar to existing hooks for bind and
   connect: "This allows to override source IP (including the case when it's
   set via cmsg(3)) and destination IP:port for unconnected UDP (slow path).
   TCP and connected UDP (fast path) are not affected. This makes UDP support
   complete, that is, connected UDP is handled by connect hooks, unconnected
   by sendmsg ones.", from Andrey.

2) Rework of the AF_XDP API to allow extending it in future for type writer
   model if necessary. In this mode a memory window is passed to hardware
   and multiple frames might be filled into that window instead of just one
   that is the case in the current fixed frame-size model. With the new
   changes made this can be supported without having to add a new descriptor
   format. Also, core bits for the zero-copy support for AF_XDP have been
   merged as agreed upon, where i40e bits will be routed via Jeff later on.
   Various improvements to documentation and sample programs included as
   well, all from Björn and Magnus.

3) Given BPF's flexibility, a new program type has been added to implement
   infrared decoders. Quote: "The kernel IR decoders support the most
   widely used IR protocols, but there are many protocols which are not
   supported. [...] There is a 'long tail' of unsupported IR protocols,
   for which lircd is need to decode the IR. IR encoding is done in such
   a way that some simple circuit can decode it; therefore, BPF is ideal.
   [...] user-space can define a decoder in BPF, attach it to the rc
   device through the lirc chardev.", from Sean.

4) Several improvements and fixes to BPF core, among others, dumping map
   and prog IDs into fdinfo which is a straight forward way to correlate
   BPF objects used by applications, removing an indirect call and therefore
   retpoline in all map lookup/update/delete calls by invoking the callback
   directly for 64 bit archs, adding a new bpf_skb_cgroup_id() BPF helper
   for tc BPF programs to have an efficient way of looking up cgroup v2 id
   for policy or other use cases. Fixes to make sure we zero tunnel/xfrm
   state that hasn't been filled, to allow context access wrt pt_regs in
   32 bit archs for tracing, and last but not least various test cases
   for fixes that landed in bpf earlier, from Daniel.

5) Get rid of the ndo_xdp_flush API and extend the ndo_xdp_xmit with
   a XDP_XMIT_FLUSH flag instead which allows to avoid one indirect
   call as flushing is now merged directly into ndo_xdp_xmit(), from Jesper.

6) Add a new bpf_get_current_cgroup_id() helper that can be used in
   tracing to retrieve the cgroup id from the current process in order
   to allow for e.g. aggregation of container-level events, from Yonghong.

7) Two follow-up fixes for BTF to reject invalid input values and
   related to that also two test cases for BPF kselftests, from Martin.

8) Various API improvements to the bpf_fib_lookup() helper, that is,
   dropping MPLS bits which are not fully hashed out yet, rejecting
   invalid helper flags, returning error for unsupported address
   families as well as renaming flowlabel to flowinfo, from David.

9) Various fixes and improvements to sockmap BPF kselftests in particular
   in proper error detection and data verification, from Prashant.

10) Two arm32 BPF JIT improvements. One is to fix imm range check with
    regards to whether immediate fits into 24 bits, and a naming cleanup
    to get functions related to rsh handling consistent to those handling
    lsh, from Wang.

11) Two compile warning fixes in BPF, one for BTF and a false positive
    to silent gcc in stack_map_get_build_id_offset(), from Arnd.

12) Add missing seg6.h header into tools include infrastructure in order
    to fix compilation of BPF kselftests, from Mathieu.

13) Several formatting cleanups in the BPF UAPI helper description that
    also fix an error during rst2man compilation, from Quentin.

14) Hide an unused variable in sk_msg_convert_ctx_access() when IPv6 is
    not built into the kernel, from Yue.

15) Remove a useless double assignment in dev_map_enqueue(), from Colin.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-05 12:42:19 -04:00
Linus Torvalds
3c89adb0d1 Power management updates for 4.18-rc1
These include a significant update of the generic power domains (genpd)
 and Operating Performance Points (OPP) frameworks, mostly related to
 the introduction of power domain performance levels, cpufreq updates
 (new driver for Qualcomm Kryo processors, updates of the existing
 drivers, some core fixes, schedutil governor improvements), PCI power
 management fixes, ACPI workaround for EC-based wakeup events handling
 on resume from suspend-to-idle, and major updates of the turbostat
 and pm-graph utilities.
 
 Specifics:
 
  - Introduce power domain performance levels into the the generic
    power domains (genpd) and Operating Performance Points (OPP)
    frameworks (Viresh Kumar, Rajendra Nayak, Dan Carpenter).
 
  - Fix two issues in the runtime PM framework related to the
    initialization and removal of devices using device links (Ulf
    Hansson).
 
  - Clean up the initialization of drivers for devices in PM domains
    (Ulf Hansson, Geert Uytterhoeven).
 
  - Fix a cpufreq core issue related to the policy sysfs interface
    causing CPU online to fail for CPUs sharing one cpufreq policy in
    some situations (Tao Wang).
 
  - Make it possible to use platform-specific suspend/resume hooks
    in the cpufreq-dt driver and make the Armada 37xx DVFS use that
    feature (Viresh Kumar, Miquel Raynal).
 
  - Optimize policy transition notifications in cpufreq (Viresh Kumar).
 
  - Improve the iowait boost mechanism in the schedutil cpufreq
    governor (Patrick Bellasi).
 
  - Improve the handling of deferred frequency updates in the
    schedutil cpufreq governor (Joel Fernandes, Dietmar Eggemann,
    Rafael Wysocki, Viresh Kumar).
 
  - Add a new cpufreq driver for Qualcomm Kryo (Ilia Lin).
 
  - Fix and clean up some cpufreq drivers (Colin Ian King, Dmitry
    Osipenko, Doug Smythies, Luc Van Oostenryck, Simon Horman,
    Viresh Kumar).
 
  - Fix the handling of PCI devices with the DPM_SMART_SUSPEND flag
    set and update stale comments in the PCI core PM code (Rafael
    Wysocki).
 
  - Work around an issue related to the handling of EC-based wakeup
    events in the ACPI PM core during resume from suspend-to-idle if
    the EC has been put into the low-power mode (Rafael Wysocki).
 
  - Improve the handling of wakeup source objects in the PM core (Doug
    Berger, Mahendran Ganesh, Rafael Wysocki).
 
  - Update the driver core to prevent deferred probe from breaking
    suspend/resume ordering (Feng Kan).
 
  - Clean up the PM core somewhat (Bjorn Helgaas, Ulf Hansson, Rafael
    Wysocki).
 
  - Make the core suspend/resume code and cpufreq support the RT patch
    (Sebastian Andrzej Siewior, Thomas Gleixner).
 
  - Consolidate the PM QoS handling in cpuidle governors (Rafael
    Wysocki).
 
  - Fix a possible crash in the hibernation core (Tetsuo Handa).
 
  - Update the rockchip-io Adaptive Voltage Scaling (AVS) driver
    (David Wu).
 
  - Update the turbostat utility (fixes, cleanups, new CPU IDs, new
    command line options, built-in "Low Power Idle" counters support,
    new POLL and POLL% columns) and add an entry for it to MAINTAINERS
    (Len Brown, Artem Bityutskiy, Chen Yu, Laura Abbott, Matt Turner,
    Prarit Bhargava, Srinivas Pandruvada).
 
  - Update the pm-graph to version 5.1 (Todd Brandt).
 
  - Update the intel_pstate_tracer utility (Doug Smythies).
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Merge tag 'pm-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates from Rafael Wysocki:
 "These include a significant update of the generic power domains
  (genpd) and Operating Performance Points (OPP) frameworks, mostly
  related to the introduction of power domain performance levels,
  cpufreq updates (new driver for Qualcomm Kryo processors, updates of
  the existing drivers, some core fixes, schedutil governor
  improvements), PCI power management fixes, ACPI workaround for
  EC-based wakeup events handling on resume from suspend-to-idle, and
  major updates of the turbostat and pm-graph utilities.

  Specifics:

   - Introduce power domain performance levels into the the generic
     power domains (genpd) and Operating Performance Points (OPP)
     frameworks (Viresh Kumar, Rajendra Nayak, Dan Carpenter).

   - Fix two issues in the runtime PM framework related to the
     initialization and removal of devices using device links (Ulf
     Hansson).

   - Clean up the initialization of drivers for devices in PM domains
     (Ulf Hansson, Geert Uytterhoeven).

   - Fix a cpufreq core issue related to the policy sysfs interface
     causing CPU online to fail for CPUs sharing one cpufreq policy in
     some situations (Tao Wang).

   - Make it possible to use platform-specific suspend/resume hooks in
     the cpufreq-dt driver and make the Armada 37xx DVFS use that
     feature (Viresh Kumar, Miquel Raynal).

   - Optimize policy transition notifications in cpufreq (Viresh Kumar).

   - Improve the iowait boost mechanism in the schedutil cpufreq
     governor (Patrick Bellasi).

   - Improve the handling of deferred frequency updates in the schedutil
     cpufreq governor (Joel Fernandes, Dietmar Eggemann, Rafael Wysocki,
     Viresh Kumar).

   - Add a new cpufreq driver for Qualcomm Kryo (Ilia Lin).

   - Fix and clean up some cpufreq drivers (Colin Ian King, Dmitry
     Osipenko, Doug Smythies, Luc Van Oostenryck, Simon Horman, Viresh
     Kumar).

   - Fix the handling of PCI devices with the DPM_SMART_SUSPEND flag set
     and update stale comments in the PCI core PM code (Rafael Wysocki).

   - Work around an issue related to the handling of EC-based wakeup
     events in the ACPI PM core during resume from suspend-to-idle if
     the EC has been put into the low-power mode (Rafael Wysocki).

   - Improve the handling of wakeup source objects in the PM core (Doug
     Berger, Mahendran Ganesh, Rafael Wysocki).

   - Update the driver core to prevent deferred probe from breaking
     suspend/resume ordering (Feng Kan).

   - Clean up the PM core somewhat (Bjorn Helgaas, Ulf Hansson, Rafael
     Wysocki).

   - Make the core suspend/resume code and cpufreq support the RT patch
     (Sebastian Andrzej Siewior, Thomas Gleixner).

   - Consolidate the PM QoS handling in cpuidle governors (Rafael
     Wysocki).

   - Fix a possible crash in the hibernation core (Tetsuo Handa).

   - Update the rockchip-io Adaptive Voltage Scaling (AVS) driver (David
     Wu).

   - Update the turbostat utility (fixes, cleanups, new CPU IDs, new
     command line options, built-in "Low Power Idle" counters support,
     new POLL and POLL% columns) and add an entry for it to MAINTAINERS
     (Len Brown, Artem Bityutskiy, Chen Yu, Laura Abbott, Matt Turner,
     Prarit Bhargava, Srinivas Pandruvada).

   - Update the pm-graph to version 5.1 (Todd Brandt).

   - Update the intel_pstate_tracer utility (Doug Smythies)"

* tag 'pm-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (128 commits)
  tools/power turbostat: update version number
  tools/power turbostat: Add Node in output
  tools/power turbostat: add node information into turbostat calculations
  tools/power turbostat: remove num_ from cpu_topology struct
  tools/power turbostat: rename num_cores_per_pkg to num_cores_per_node
  tools/power turbostat: track thread ID in cpu_topology
  tools/power turbostat: Calculate additional node information for a package
  tools/power turbostat: Fix node and siblings lookup data
  tools/power turbostat: set max_num_cpus equal to the cpumask length
  tools/power turbostat: if --num_iterations, print for specific number of iterations
  tools/power turbostat: Add Cannon Lake support
  tools/power turbostat: delete duplicate #defines
  x86: msr-index.h: Correct SNB_C1/C3_AUTO_UNDEMOTE defines
  tools/power turbostat: Correct SNB_C1/C3_AUTO_UNDEMOTE defines
  tools/power turbostat: add POLL and POLL% column
  tools/power turbostat: Fix --hide Pk%pc10
  tools/power turbostat: Build-in "Low Power Idle" counters support
  tools/power turbostat: Don't make man pages executable
  tools/power turbostat: remove blank lines
  tools/power turbostat: a small C-states dump readability immprovement
  ...
2018-06-05 09:38:39 -07:00
Takashi Iwai
d4d5a1cd29 ASoC: Updates for v4.18
This is a very big update, mainly due to a huge set of new drivers some
 of which are individually very large.  We also have a lot of fixes for
 the topology stuff, several of the users have stepped up and fixed some
 the serious issues there, and continued progress on the transition away
 from CODEC specific drivers to generic component drivers.
 
  - Many fixes for the topology code, including fixes for the half done
    v4 ABI compatibility from Guenter Roeck and other ABI fixes from
    Kirill Marinushkin.
  - Lots of cleanup for Intel platforms based on Realtek CODECs from Hans
    de Goode.
  - More followups on removing legacy CODEC things and transitioning to
    components from Morimoto-san.
  - Conversion of OMAP DMA to the new, more standard SDMA-PCM driver.
  - A series of fixes and updates to the rather elderly Cirrus Logic SoC
    drivers from Alexander Sverdlin.
  - Qualcomm DSP support from Srinivas Kandagatla.
  - New drivers for Analog SSM2305, Atmel I2S controllers, Mediatek
    MT6351, MT6797 and MT7622, Qualcomm DSPs, Realtek RT1305, RT1306 and
    RT5668 and TI TSCS454
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Merge tag 'asoc-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Updates for v4.18

This is a very big update, mainly due to a huge set of new drivers some
of which are individually very large.  We also have a lot of fixes for
the topology stuff, several of the users have stepped up and fixed some
the serious issues there, and continued progress on the transition away
from CODEC specific drivers to generic component drivers.

 - Many fixes for the topology code, including fixes for the half done
   v4 ABI compatibility from Guenter Roeck and other ABI fixes from
   Kirill Marinushkin.
 - Lots of cleanup for Intel platforms based on Realtek CODECs from Hans
   de Goode.
 - More followups on removing legacy CODEC things and transitioning to
   components from Morimoto-san.
 - Conversion of OMAP DMA to the new, more standard SDMA-PCM driver.
 - A series of fixes and updates to the rather elderly Cirrus Logic SoC
   drivers from Alexander Sverdlin.
 - Qualcomm DSP support from Srinivas Kandagatla.
 - New drivers for Analog SSM2305, Atmel I2S controllers, Mediatek
   MT6351, MT6797 and MT7622, Qualcomm DSPs, Realtek RT1305, RT1306 and
   RT5668 and TI TSCS454
2018-06-05 16:51:55 +02:00
Geert Uytterhoeven
666902e42f lib/vsprintf: Remove atomic-unsafe support for %pCr
"%pCr" formats the current rate of a clock, and calls clk_get_rate().
The latter obtains a mutex, hence it must not be called from atomic
context.

Remove support for this rarely-used format, as vsprintf() (and e.g.
printk()) must be callable from any context.

Any remaining out-of-tree users will start seeing the clock's name
printed instead of its rate.

Reported-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Fixes: 900cca2944254edd ("lib/vsprintf: add %pC{,n,r} format specifiers for clocks")
Link: http://lkml.kernel.org/r/1527845302-12159-5-git-send-email-geert+renesas@glider.be
To: Jia-Ju Bai <baijiaju1990@gmail.com>
To: Jonathan Corbet <corbet@lwn.net>
To: Michael Turquette <mturquette@baylibre.com>
To: Stephen Boyd <sboyd@kernel.org>
To: Zhang Rui <rui.zhang@intel.com>
To: Eduardo Valentin <edubezval@gmail.com>
To: Eric Anholt <eric@anholt.net>
To: Stefan Wahren <stefan.wahren@i2se.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-doc@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Cc: linux-pm@vger.kernel.org
Cc: linux-serial@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-renesas-soc@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: stable@vger.kernel.org # 4.1+
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Petr Mladek <pmladek@suse.com>
2018-06-05 09:43:39 +02:00
Linus Torvalds
ab20fd0013 Merge branch 'x86-cache-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cache resource controller updates from Thomas Gleixner:
 "An update for the Intel Resource Director Technolgy (RDT) which adds a
  feedback driven software controller to runtime adjust the bandwidth
  allocation MSRs.

  This makes the allocations more accurate and allows to use bandwidth
  values in understandable units (MB/s) instead of using percentage
  based allocations as the original, still available, interface.

  The software controller can be enabled with a new mount option for the
  resctrl filesystem"

* 'x86-cache-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/intel_rdt/mba_sc: Feedback loop to dynamically update mem bandwidth
  x86/intel_rdt/mba_sc: Prepare for feedback loop
  x86/intel_rdt/mba_sc: Add schemata support
  x86/intel_rdt/mba_sc: Add initialization support
  x86/intel_rdt/mba_sc: Enable/disable MBA software controller
  x86/intel_rdt/mba_sc: Documentation for MBA software controller(mba_sc)
2018-06-04 21:34:39 -07:00
Linus Torvalds
db020be9f7 Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:

 - Consolidation of softirq pending:

   The softirq mask and its accessors/mutators have many implementations
   scattered around many architectures. Most do the same things
   consisting in a field in a per-cpu struct (often irq_cpustat_t)
   accessed through per-cpu ops. We can provide instead a generic
   efficient version that most of them can use. In fact s390 is the only
   exception because the field is stored in lowcore.

 - Support for level!?! triggered MSI (ARM)

   Over the past couple of years, we've seen some SoCs coming up with
   ways of signalling level interrupts using a new flavor of MSIs, where
   the MSI controller uses two distinct messages: one that raises a
   virtual line, and one that lowers it. The target MSI controller is in
   charge of maintaining the state of the line.

   This allows for a much simplified HW signal routing (no need to have
   hundreds of discrete lines to signal level interrupts if you already
   have a memory bus), but results in a departure from the current idea
   the kernel has of MSIs.

 - Support for Meson-AXG GPIO irqchip

 - Large stm32 irqchip rework (suspend/resume, hierarchical domains)

 - More SPDX conversions

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (36 commits)
  ARM: dts: stm32: Add exti support to stm32mp157 pinctrl
  ARM: dts: stm32: Add exti support for stm32mp157c
  pinctrl/stm32: Add irq_eoi for stm32gpio irqchip
  irqchip/stm32: Add suspend/resume support for hierarchy domain
  irqchip/stm32: Add stm32mp1 support with hierarchy domain
  irqchip/stm32: Prepare common functions
  irqchip/stm32: Add host and driver data structures
  irqchip/stm32: Add suspend support
  irqchip/stm32: Add falling pending register support
  irqchip/stm32: Checkpatch fix
  irqchip/stm32: Optimizes and cleans up stm32-exti irq_domain
  irqchip/meson-gpio: Add support for Meson-AXG SoCs
  dt-bindings: interrupt-controller: New binding for Meson-AXG SoC
  dt-bindings: interrupt-controller: Fix the double quotes
  softirq/s390: Move default mutators of overwritten softirq mask to s390
  softirq/x86: Switch to generic local_softirq_pending() implementation
  softirq/sparc: Switch to generic local_softirq_pending() implementation
  softirq/powerpc: Switch to generic local_softirq_pending() implementation
  softirq/parisc: Switch to generic local_softirq_pending() implementation
  softirq/ia64: Switch to generic local_softirq_pending() implementation
  ...
2018-06-04 19:59:22 -07:00
Linus Torvalds
8316385687 Merge branch 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 debug updates from Ingo Molnar:
 "This contains the x86 oops code printing reorganization and cleanups
  from Borislav Betkov, with a particular focus in enhancing opcode
  dumping all around"

* 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/dumpstack: Explain the reasoning for the prologue and buffer size
  x86/dumpstack: Save first regs set for the executive summary
  x86/dumpstack: Add a show_ip() function
  x86/fault: Dump user opcode bytes on fatal faults
  x86/dumpstack: Add loglevel argument to show_opcodes()
  x86/dumpstack: Improve opcodes dumping in the code section
  x86/dumpstack: Carve out code-dumping into a function
  x86/dumpstack: Unexport oops_begin()
  x86/dumpstack: Remove code_bytes
2018-06-04 19:19:16 -07:00
Linus Torvalds
5cef8c2a22 Merge branch 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 boot updates from Ingo Molnar:

 - Centaur CPU updates (David Wang)

 - AMD and other CPU topology enumeration improvements and fixes
   (Borislav Petkov, Thomas Gleixner, Suravee Suthikulpanit)

 - Continued 5-level paging work (Kirill A. Shutemov)

* 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/mm: Mark __pgtable_l5_enabled __initdata
  x86/mm: Mark p4d_offset() __always_inline
  x86/mm: Introduce the 'no5lvl' kernel parameter
  x86/mm: Stop pretending pgtable_l5_enabled is a variable
  x86/mm: Unify pgtable_l5_enabled usage in early boot code
  x86/boot/compressed/64: Fix trampoline page table address calculation
  x86/CPU: Move x86_cpuinfo::x86_max_cores assignment to detect_num_cpu_cores()
  x86/Centaur: Report correct CPU/cache topology
  x86/CPU: Move cpu_detect_cache_sizes() into init_intel_cacheinfo()
  x86/CPU: Make intel_num_cpu_cores() generic
  x86/CPU: Move cpu local function declarations to local header
  x86/CPU/AMD: Derive CPU topology from CPUID function 0xB when available
  x86/CPU: Modify detect_extended_topology() to return result
  x86/CPU/AMD: Calculate last level cache ID from number of sharing threads
  x86/CPU: Rename intel_cacheinfo.c to cacheinfo.c
  perf/events/amd/uncore: Fix amd_uncore_llc ID to use pre-defined cpu_llc_id
  x86/CPU/AMD: Have smp_num_siblings and cpu_llc_id always be present
  x86/Centaur: Initialize supported CPU features properly
2018-06-04 18:19:18 -07:00
Linus Torvalds
f7f4e7fc6c Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:

 - power-aware scheduling improvements (Patrick Bellasi)

 - NUMA balancing improvements (Mel Gorman)

 - vCPU scheduling fixes (Rohit Jain)

* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/fair: Update util_est before updating schedutil
  sched/cpufreq: Modify aggregate utilization to always include blocked FAIR utilization
  sched/deadline/Documentation: Add overrun signal and GRUB-PA documentation
  sched/core: Distinguish between idle_cpu() calls based on desired effect, introduce available_idle_cpu()
  sched/wait: Include <linux/wait.h> in <linux/swait.h>
  sched/numa: Stagger NUMA balancing scan periods for new threads
  sched/core: Don't schedule threads on pre-empted vCPUs
  sched/fair: Avoid calling sync_entity_load_avg() unnecessarily
  sched/fair: Rearrange select_task_rq_fair() to optimize it
2018-06-04 17:45:38 -07:00
Linus Torvalds
92400b8c8b Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking updates from Ingo Molnar:

 - Lots of tidying up changes all across the map for Linux's formal
   memory/locking-model tooling, by Alan Stern, Akira Yokosawa, Andrea
   Parri, Paul E. McKenney and SeongJae Park.

   Notable changes beyond an overall update in the tooling itself is the
   tidying up of spin_is_locked() semantics, which spills over into the
   kernel proper as well.

 - qspinlock improvements: the locking algorithm now guarantees forward
   progress whereas the previous implementation in mainline could starve
   threads indefinitely in cmpxchg() loops. Also other related cleanups
   to the qspinlock code (Will Deacon)

 - misc smaller improvements, cleanups and fixes all across the locking
   subsystem

* 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (51 commits)
  locking/rwsem: Simplify the is-owner-spinnable checks
  tools/memory-model: Add reference for 'Simplifying ARM concurrency'
  tools/memory-model: Update ASPLOS information
  MAINTAINERS, tools/memory-model: Update e-mail address for Andrea Parri
  tools/memory-model: Fix coding style in 'lock.cat'
  tools/memory-model: Remove out-of-date comments and code from lock.cat
  tools/memory-model: Improve mixed-access checking in lock.cat
  tools/memory-model: Improve comments in lock.cat
  tools/memory-model: Remove duplicated code from lock.cat
  tools/memory-model: Flag "cumulativity" and "propagation" tests
  tools/memory-model: Add model support for spin_is_locked()
  tools/memory-model: Add scripts to test memory model
  tools/memory-model: Fix coding style in 'linux-kernel.def'
  tools/memory-model: Model 'smp_store_mb()'
  tools/memory-order: Update the cheat-sheet to show that smp_mb__after_atomic() orders later RMW operations
  tools/memory-order: Improve key for SELF and SV
  tools/memory-model: Fix cheat sheet typo
  tools/memory-model: Update required version of herdtools7
  tools/memory-model: Redefine rb in terms of rcu-fence
  tools/memory-model: Rename link and rcu-path to rcu-link and rb
  ...
2018-06-04 16:40:11 -07:00
Linus Torvalds
4057adafb3 Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU updates from Ingo Molnar:

 - updates to the handling of expedited grace periods

 - updates to reduce lock contention in the rcu_node combining tree

   [ These are in preparation for the consolidation of RCU-bh,
     RCU-preempt, and RCU-sched into a single flavor, which was
     requested by Linus in response to a security flaw whose root cause
     included confusion between the multiple flavors of RCU ]

 - torture-test updates that save their users some time and effort

 - miscellaneous fixes

* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (44 commits)
  rcu/x86: Provide early rcu_cpu_starting() callback
  torture: Make kvm-find-errors.sh find build warnings
  rcutorture: Abbreviate kvm.sh summary lines
  rcutorture: Print end-of-test state in kvm.sh summary
  rcutorture: Print end-of-test state
  torture: Fold parse-torture.sh into parse-console.sh
  torture: Add a script to edit output from failed runs
  rcu: Update list of rcu_future_grace_period() trace events
  rcu: Drop early GP request check from rcu_gp_kthread()
  rcu: Simplify and inline cpu_needs_another_gp()
  rcu: The rcu_gp_cleanup() function does not need cpu_needs_another_gp()
  rcu: Make rcu_start_this_gp() check for out-of-range requests
  rcu: Add funnel locking to rcu_start_this_gp()
  rcu: Make rcu_start_future_gp() caller select grace period
  rcu: Inline rcu_start_gp_advanced() into rcu_start_future_gp()
  rcu: Clear request other than RCU_GP_FLAG_INIT at GP end
  rcu: Cleanup, don't put ->completed into an int
  rcu: Switch __rcu_process_callbacks() to rcu_accelerate_cbs()
  rcu: Avoid __call_rcu_core() root rcu_node ->lock acquisition
  rcu: Make rcu_migrate_callbacks wake GP kthread when needed
  ...
2018-06-04 15:54:04 -07:00
David S. Miller
d67b66b45a Merge branch '10GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:

====================
Intel Wired LAN Driver Updates 2018-06-04

This series contains a smorgasbord of updates to documentation, e1000e,
igb, ixgbe, ixgbevf and i40e.

Benjamin Poirier fixes a potential kernel crash due to NULL pointer
dereference in e1000e.

Jeff updates the kernel documentation for e100 and e1000 to correct
default values and URLs which were incorrect in the documentation.  Also
took the time to update these to the new reStructured text format for
kernel documentation.

Joanna Yurdal fixes a missing PTP transmit timestamp by ensuring that
TSICR gets cleared when ICR is cleared.

Sergey updates igb to reset all the transmit queues at one time so that
we only have to wait once for all the queues to be reset.

Alex fixes ixgbevf so that malicious driver detection (MDD) can co-exist
with XDP.

Emil and Tony extend the RTNL lock to ensure we get the most up-to-date
values for the bits and avoid a possible race condition when going down.

YueHaibing from Huawei introduces a helper function in ixgbe for
operation reads to simplify the code a bit more.

Daniel Borkmann adds support for XDP meta data when using build SKB
for i40e.

Shannon Nelson provides twp fixes for the IPSec code in ixgbe, first is
to make sure we do not try to offload the decryption of any incoming
packet that is destined for the management engine.  The other fix is to
resolve a cast problem introduced by a sparse cleanup patch.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-04 17:35:35 -04:00
Olivier Gayot
bb38ccce88 docs: networking: fix minor typos in various documentation files
This patch fixes some typos/misspelling errors in the
Documentation/networking files.

Signed-off-by: Olivier Gayot <olivier.gayot@sigexec.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-04 17:21:28 -04:00
Maciej Żenczykowski
79e9fed460 net-tcp: extend tcp_tw_reuse sysctl to enable loopback only optimization
This changes the /proc/sys/net/ipv4/tcp_tw_reuse from a boolean
to an integer.

It now takes the values 0, 1 and 2, where 0 and 1 behave as before,
while 2 enables timewait socket reuse only for sockets that we can
prove are loopback connections:
  ie. bound to 'lo' interface or where one of source or destination
  IPs is 127.0.0.0/8, ::ffff:127.0.0.0/104 or ::1.

This enables quicker reuse of ephemeral ports for loopback connections
- where tcp_tw_reuse is 100% safe from a protocol perspective
(this assumes no artificially induced packet loss on 'lo').

This also makes estblishing many loopback connections *much* faster
(allocating ports out of the first half of the ephemeral port range
is significantly faster, then allocating from the second half)

Without this change in a 32K ephemeral port space my sample program
(it just establishes and closes [::1]:ephemeral -> [::1]:server_port
connections in a tight loop) fails after 32765 connections in 24 seconds.
With it enabled 50000 connections only take 4.7 seconds.

This is particularly problematic for IPv6 where we only have one local
address and cannot play tricks with varying source IP from 127.0.0.0/8
pool.

Signed-off-by: Maciej Żenczykowski <maze@google.com>
Cc: Neal Cardwell <ncardwell@google.com>
Cc: Yuchung Cheng <ycheng@google.com>
Cc: Wei Wang <weiwan@google.com>
Change-Id: I0377961749979d0301b7b62871a32a4b34b654e1
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-04 17:13:35 -04:00
Alan Kao
0d431558d7
perf: riscv: Add Document for Future Porting Guide
Reviewed-by: Alex Solomatnikov <sols@sifive.com>
Cc: Nick Hu <nickhu@andestech.com>
Cc: Greentime Hu <greentime@andestech.com>
Signed-off-by: Alan Kao <alankao@andestech.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2018-06-04 14:02:11 -07:00
Linus Torvalds
408afb8d78 Merge branch 'work.aio-1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull aio updates from Al Viro:
 "Majority of AIO stuff this cycle. aio-fsync and aio-poll, mostly.

  The only thing I'm holding back for a day or so is Adam's aio ioprio -
  his last-minute fixup is trivial (missing stub in !CONFIG_BLOCK case),
  but let it sit in -next for decency sake..."

* 'work.aio-1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (46 commits)
  aio: sanitize the limit checking in io_submit(2)
  aio: fold do_io_submit() into callers
  aio: shift copyin of iocb into io_submit_one()
  aio_read_events_ring(): make a bit more readable
  aio: all callers of aio_{read,write,fsync,poll} treat 0 and -EIOCBQUEUED the same way
  aio: take list removal to (some) callers of aio_complete()
  aio: add missing break for the IOCB_CMD_FDSYNC case
  random: convert to ->poll_mask
  timerfd: convert to ->poll_mask
  eventfd: switch to ->poll_mask
  pipe: convert to ->poll_mask
  crypto: af_alg: convert to ->poll_mask
  net/rxrpc: convert to ->poll_mask
  net/iucv: convert to ->poll_mask
  net/phonet: convert to ->poll_mask
  net/nfc: convert to ->poll_mask
  net/caif: convert to ->poll_mask
  net/bluetooth: convert to ->poll_mask
  net/sctp: convert to ->poll_mask
  net/tipc: convert to ->poll_mask
  ...
2018-06-04 13:57:43 -07:00
Xiaotong Lu
45615a9baf Input: add Spreadtrum vibrator driver
This patch adds the Spreadtrum vibrator driver, which embedded in the
Spreadtrum SC27xx series PMICs.

Signed-off-by: Xiaotong Lu <xiaotong.lu@spreadtrum.com>
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-06-04 13:36:11 -07:00
Stephen Boyd
b2ac878acd Merge branches 'clk-davinci-psc-da830', 'clk-renesas', 'clk-at91-recalc', 'clk-davinci' and 'clk-meson' into clk-next
* clk-davinci-psc-da830:
  clk: davinci: psc-da830: fix USB0 48MHz PHY clock registration

* clk-renesas:
  clk: renesas: cpg-mssr: Add support for R-Car E3
  clk: renesas: Add r8a77990 CPG Core Clock Definitions
  clk: renesas: rcar-gen2: Centralize quirks handling
  clk: renesas: r8a77980: Correct parent clock of PCIEC0
  clk: renesas: r8a7794: Fix LB clock divider
  clk: renesas: r8a7792: Fix LB clock divider
  clk: renesas: r8a7791/r8a7793: Fix LB clock divider
  clk: renesas: r8a7745: Fix LB clock divider
  clk: renesas: r8a7743: Fix LB clock divider
  clk: renesas: cpg-mssr: Add r8a77470 support
  clk: renesas: Add r8a77470 CPG Core Clock Definitions
  clk: renesas: r8a77965: Add MSIOF controller clocks

* clk-at91-recalc:
  clk: at91: PLL recalc_rate() now using cached MUL and DIV values

* clk-davinci:
  clk: davinci: Fix link errors when not all SoCs are enabled
  clk: davinci: psc: allow for dev == NULL
  clk: davinci: da850-pll: change PLL0 to CLK_OF_DECLARE
  clk: davinci: pll: allow dev == NULL
  clk: davinci: psc-dm365: fix few clocks
  clk: davinci: pll-dm646x: keep PLL2 SYSCLK1 always enabled
  clk: davinci: psc-dm355: fix ASP0/1 clkdev lookups
  clk: davinci: pll-dm355: fix SYSCLKn parent names
  clk: davinci: pll-dm355: drop pll2_sysclk2

* clk-meson:
  clk: meson: axg: let mpll clocks round closest
  clk: meson: mpll: add round closest support
  clk: meson: meson8b: mark fclk_div2 gate clocks as CLK_IS_CRITICAL
  clk: meson: use SPDX license identifiers consistently
  clk: meson: drop CLK_SET_RATE_PARENT flag
  clk: meson-axg: Add AO Clock and Reset controller driver
  clk: meson: aoclk: refactor common code into dedicated file
  clk: meson: migrate to devm_of_clk_add_hw_provider API
  clk: meson: gxbb: add the video decoder clocks
  clk: meson: meson8b: add support for the NAND clocks
  dt-bindings: clock: reset: Add AXG AO Clock and Reset Bindings
  dt-bindings: clock: axg-aoclkc: New binding for Meson-AXG SoC
  clk: meson: gxbb: expose VDEC_1 and VDEC_HEVC clocks
  dt-bindings: clock: meson8b: export the NAND clock
2018-06-04 12:37:41 -07:00
Stephen Boyd
77122d6f74 Merge branch 'clk-qcom-sdm845' into clk-next
* clk-qcom-sdm845:
  clk: qcom: Export clk_fabia_pll_configure()
  clk: qcom: Add video clock controller driver for SDM845
  dt-bindings: clock: Introduce QCOM Video clock bindings
  clk: qcom: Add Global Clock controller (GCC) driver for SDM845
  clk: qcom: Add DT bindings for SDM845 gcc clock controller
  clk: qcom: Configure the RCGs to a safe source as needed
  clk: qcom: Add support for BRANCH_HALT_SKIP flag for branch clocks
  clk: qcom: Simplify gdsc status checking logic
  clk: qcom: gdsc: Add support to poll CFG register to check GDSC state
  clk: qcom: gdsc: Add support to poll for higher timeout value
  clk: qcom: gdsc: Add support to reset AON and block reset logic
  clk: qcom: Add support for controlling Fabia PLL
  clk: qcom: Clear hardware clock control bit of RCG

Also fixup the Kconfig mess where SDM845 GCC has msm8998 in the
description and also the video Kconfig says things slightly differently
from the GCC one so just make it the same.
2018-06-04 12:34:51 -07:00
Linus Torvalds
eeee3149aa There's been a fair amount of work in the docs tree this time around,
including:
 
  - Extensive RST conversions and organizational work in the
    memory-management docs thanks to Mike Rapoport.
 
  - An update of Documentation/features from Andrea Parri and a script to
    keep it updated.
 
  - Various LICENSES updates from Thomas, along with a script to check SPDX
    tags.
 
  - Work to fix dangling references to documentation files; this involved a
    fair number of one-liner comment changes outside of Documentation/
 
 ...and the usual list of documentation improvements, typo fixes, etc.
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Merge tag 'docs-4.18' of git://git.lwn.net/linux

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

   - Extensive RST conversions and organizational work in the
     memory-management docs thanks to Mike Rapoport.

   - An update of Documentation/features from Andrea Parri and a script
     to keep it updated.

   - Various LICENSES updates from Thomas, along with a script to check
     SPDX tags.

   - Work to fix dangling references to documentation files; this
     involved a fair number of one-liner comment changes outside of
     Documentation/

  ... and the usual list of documentation improvements, typo fixes, etc"

* tag 'docs-4.18' of git://git.lwn.net/linux: (103 commits)
  Documentation: document hung_task_panic kernel parameter
  docs/admin-guide/mm: add high level concepts overview
  docs/vm: move ksm and transhuge from "user" to "internals" section.
  docs: Use the kerneldoc comments for memalloc_no*()
  doc: document scope NOFS, NOIO APIs
  docs: update kernel versions and dates in tables
  docs/vm: transhuge: split userspace bits to admin-guide/mm/transhuge
  docs/vm: transhuge: minor updates
  docs/vm: transhuge: change sections order
  Documentation: arm: clean up Marvell Berlin family info
  Documentation: gpio: driver: Fix a typo and some odd grammar
  docs: ranoops.rst: fix location of ramoops.txt
  scripts/documentation-file-ref-check: rewrite it in perl with auto-fix mode
  docs: uio-howto.rst: use a code block to solve a warning
  mm, THP, doc: Add document for thp_swpout/thp_swpout_fallback
  w1: w1_io.c: fix a kernel-doc warning
  Documentation/process/posting: wrap text at 80 cols
  docs: admin-guide: add cgroup-v2 documentation
  Revert "Documentation/features/vm: Remove arch support status file for 'pte_special'"
  Documentation: refcount-vs-atomic: Update reference to LKMM doc.
  ...
2018-06-04 12:34:27 -07:00
Stephen Boyd
36851edd7e Merge branches 'clk-match-string', 'clk-ingenic', 'clk-si544-round-fix' and 'clk-bcm-stingray' into clk-next
* clk-match-string:
  clk: use match_string() helper
  clk: bcm2835: use match_string() helper

* clk-ingenic:
  clk: ingenic: jz4770: Add 150us delay after enabling VPU clock
  clk: ingenic: jz4770: Enable power of AHB1 bus after ungating VPU clock
  clk: ingenic: jz4770: Modify C1CLK clock to disable CPU clock stop on idle
  clk: ingenic: jz4770: Change OTG from custom to standard gated clock
  clk: ingenic: Support specifying "wait for clock stable" delay
  clk: ingenic: Add support for clocks whose gate bit is inverted

* clk-si544-round-fix:
  clk-si544: Properly round requested frequency to nearest match

* clk-bcm-stingray:
  clk: bcm: Update and add Stingray clock entries
  dt-bindings: clk: Update Stingray binding doc
2018-06-04 12:32:33 -07:00
Stephen Boyd
ef1ae47094 Merge branches 'clk-imx7d', 'clk-hisi-stub', 'clk-mvebu', 'clk-imx6-epit' and 'clk-debugfs-simple' into clk-next
* clk-imx7d:
  clk: imx7d: reset parent for mipi csi root
  clk: imx7d: fix mipi dphy div parent

* clk-hisi-stub:
  clk/driver/hisi: Consolidate the Kconfig for the CLOCK_STUB

* clk-mvebu:
  clk: mvebu: use correct bit for 98DX3236 NAND

* clk-imx6-epit:
  clk: imx6: add EPIT clock support

* clk-debugfs-simple:
  clk: Return void from debug_init op
  clk: remove clk_debugfs_add_file()
  clk: tegra: no need to check return value of debugfs_create functions
  clk: davinci: no need to check return value of debugfs_create functions
  clk: bcm2835: no need to check return value of debugfs_create functions
  clk: no need to check return value of debugfs_create functions
2018-06-04 12:32:28 -07:00
Stephen Boyd
45ba387511 Merge branches 'clk-allwinner', 'clk-rockchip', 'clk-tegra', 'clk-berlin' and 'clk-qcom-mmagic' into clk-next
* clk-allwinner:
  clk: sunxi-ng: r40: export a regmap to access the GMAC register
  clk: sunxi-ng: r40: rewrite init code to a platform driver
  clk: sunxi-ng: add support for H6 PRCM CCU

* clk-rockchip:
  clk: rockchip: remove deprecated gate-clk code and dt-binding
  clk: rockchip: use match_string() helper

* clk-tegra:
  clk: tegra: Add quirk for getting CDEV1/2 clocks on Tegra20
  clk: tegra20: Correct parents of CDEV1/2 clocks
  clk: tegra20: Add DEV1/DEV2 OSC dividers

* clk-berlin:
  clk: berlin: switch to SPDX license identifier

* clk-qcom-mmagic:
  clk: qcom: mmcc-msm8996: leave all mmagic gdscs and clocks always enabled
  clk: qcom: Register the gdscs before the clocks
  clk: qcom: gdsc: Add support for ALWAYS_ON gdscs
2018-06-04 12:27:44 -07:00
Stephen Boyd
7fa50aa559 Merge branches 'clk-hisi-usb', 'clk-silent-bulk', 'clk-mtk-hdmi', 'clk-mtk-mali' and 'clk-imx6ul-ccosr' into clk-next
* clk-hisi-usb:
  clk: hisilicon: add missing usb3 clocks for Hi3798CV200 SoC

* clk-silent-bulk:
  clk: bulk: silently error out on EPROBE_DEFER

* clk-mtk-hdmi:
  clk: mediatek: correct the clocks for MT2701 HDMI PHY module

* clk-mtk-mali:
  clk: mediatek: add g3dsys support for MT2701 and MT7623
  dt-bindings: reset: mediatek: add entry for Mali-450 node to refer
  dt-bindings: clock: mediatek: add entry for Mali-450 node to refer
  dt-bindings: clock: mediatek: add g3dsys bindings

* clk-imx6ul-ccosr:
  clk: imx: Add new clo01 and clo2 controlled by CCOSR
2018-06-04 12:27:40 -07:00
Stephen Boyd
872e47f75f Merge branches 'clk-qcom-rpmh', 'clk-npcm7xx', 'clk-of-parent-count' and 'clk-qcom-rcg-fix' into clk-next
* clk-qcom-rpmh:
  dt-bindings: clock: Introduce QCOM RPMh clock bindings

* clk-npcm7xx:
  clk: npcm7xx: fix return value check in npcm7xx_clk_init()
  clk: npcm7xx: add clock controller
  dt-binding: clk: npcm750: Add binding for Nuvoton NPCM7XX Clock

* clk-of-parent-count:
  pinctrl: sunxi: Use of_clk_get_parent_count() instead of open coding
  soc/tegra: pmc: Use of_clk_get_parent_count() instead of open coding
  soc: rockchip: power-domain: Use of_clk_get_parent_count() instead of open coding
  ARM: timer-sp: Use of_clk_get_parent_count() instead of open coding
  clk: Extract OF clock helpers in <linux/of_clk.h>

* clk-qcom-rcg-fix:
  clk: qcom: Base rcg parent rate off plan frequency
2018-06-04 12:27:29 -07:00
Stephen Boyd
43705f5294 Merge branch 'clk-actions' into clk-next
* clk-actions:
  clk: actions: Add S900 SoC clock support
  clk: actions: Add pll clock support
  clk: actions: Add composite clock support
  clk: actions: Add fixed factor clock support
  clk: actions: Add factor clock support
  clk: actions: Add divider clock support
  clk: actions: Add mux clock support
  clk: actions: Add gate clock support
  clk: actions: Add common clock driver support
  dt-bindings: clock: Add Actions S900 clock bindings
2018-06-04 12:27:02 -07:00
Chengguang Xu
c7f04944bc ceph: update description of some mount options
Based on code, default value of rsize/wsize is 16 MB.

Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2018-06-04 20:46:02 +02:00
Linus Torvalds
bef82f812c hwmon updates for v4.18
- asus_atk0110 driver modified to use new API
 - k10temp supports new CPUs and reports both Tctl and Tdie
 - minor fixes in gpio-fan, ltc2990, fschmd, and mc13783 drivers
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Merge tag 'hwmon-for-linus-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:

 - asus_atk0110 driver modified to use new API

 - k10temp supports new CPUs and reports both Tctl and Tdie

 - minor fixes in gpio-fan, ltc2990, fschmd, and mc13783 drivers

* tag 'hwmon-for-linus-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (asus_atk0110) Make use of device managed memory
  hwmon: (asus_atk0110) Replace deprecated device register call
  hwmon: (k10temp) Make function get_raw_temp static
  hwmon: (gpio-fan) Fix "#cooling-cells" property name in bindings
  MAINTAINERS: hwmon: Add Documentation/devicetree/bindings/hwmon
  hwmon: (ltc2990) support all measurement modes
  hwmon: (ltc2990) add devicetree binding
  hwmon: (ltc2990) Fix incorrect conversion of negative temperatures
  hwmon: (core) check parent dev != NULL when chip != NULL
  hwmon: (fschmd) fix typo 'can by' to 'can be'
  hwmon: (k10temp) Display both Tctl and Tdie
  hwmon: (k10temp) Add support for Stoney Ridge and Bristol Ridge CPUs
  hwmon: MC13783: Add uid and die temperature sensor inputs
2018-06-04 11:25:15 -07:00
Linus Torvalds
e5a594643a dma-mapping updates for 4.18:
- replaceme the force_dma flag with a dma_configure bus method.
    (Nipun Gupta, although one patch is іncorrectly attributed to me
     due to a git rebase bug)
  - use GFP_DMA32 more agressively in dma-direct. (Takashi Iwai)
  - remove PCI_DMA_BUS_IS_PHYS and rely on the dma-mapping API to do the
    right thing for bounce buffering.
  - move dma-debug initialization to common code, and apply a few cleanups
    to the dma-debug code.
  - cleanup the Kconfig mess around swiotlb selection
  - swiotlb comment fixup (Yisheng Xie)
  - a trivial swiotlb fix. (Dan Carpenter)
  - support swiotlb on RISC-V. (based on a patch from Palmer Dabbelt)
  - add a new generic dma-noncoherent dma_map_ops implementation and use
    it for arc, c6x and nds32.
  - improve scatterlist validity checking in dma-debug. (Robin Murphy)
  - add a struct device quirk to limit the dma-mask to 32-bit due to
    bridge/system issues, and switch x86 to use it instead of a local
    hack for VIA bridges.
  - handle devices without a dma_mask more gracefully in the dma-direct
    code.
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Merge tag 'dma-mapping-4.18' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping updates from Christoph Hellwig:

 - replace the force_dma flag with a dma_configure bus method. (Nipun
   Gupta, although one patch is іncorrectly attributed to me due to a
   git rebase bug)

 - use GFP_DMA32 more agressively in dma-direct. (Takashi Iwai)

 - remove PCI_DMA_BUS_IS_PHYS and rely on the dma-mapping API to do the
   right thing for bounce buffering.

 - move dma-debug initialization to common code, and apply a few
   cleanups to the dma-debug code.

 - cleanup the Kconfig mess around swiotlb selection

 - swiotlb comment fixup (Yisheng Xie)

 - a trivial swiotlb fix. (Dan Carpenter)

 - support swiotlb on RISC-V. (based on a patch from Palmer Dabbelt)

 - add a new generic dma-noncoherent dma_map_ops implementation and use
   it for arc, c6x and nds32.

 - improve scatterlist validity checking in dma-debug. (Robin Murphy)

 - add a struct device quirk to limit the dma-mask to 32-bit due to
   bridge/system issues, and switch x86 to use it instead of a local
   hack for VIA bridges.

 - handle devices without a dma_mask more gracefully in the dma-direct
   code.

* tag 'dma-mapping-4.18' of git://git.infradead.org/users/hch/dma-mapping: (48 commits)
  dma-direct: don't crash on device without dma_mask
  nds32: use generic dma_noncoherent_ops
  nds32: implement the unmap_sg DMA operation
  nds32: consolidate DMA cache maintainance routines
  x86/pci-dma: switch the VIA 32-bit DMA quirk to use the struct device flag
  x86/pci-dma: remove the explicit nodac and allowdac option
  x86/pci-dma: remove the experimental forcesac boot option
  Documentation/x86: remove a stray reference to pci-nommu.c
  core, dma-direct: add a flag 32-bit dma limits
  dma-mapping: remove unused gfp_t parameter to arch_dma_alloc_attrs
  dma-debug: check scatterlist segments
  c6x: use generic dma_noncoherent_ops
  arc: use generic dma_noncoherent_ops
  arc: fix arc_dma_{map,unmap}_page
  arc: fix arc_dma_sync_sg_for_{cpu,device}
  arc: simplify arc_dma_sync_single_for_{cpu,device}
  dma-mapping: provide a generic dma-noncoherent implementation
  dma-mapping: simplify Kconfig dependencies
  riscv: add swiotlb support
  riscv: only enable ZONE_DMA32 for 64-bit
  ...
2018-06-04 10:58:12 -07:00
Linus Torvalds
f956d08a56 Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull misc vfs updates from Al Viro:
 "Misc bits and pieces not fitting into anything more specific"

* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  vfs: delete unnecessary assignment in vfs_listxattr
  Documentation: filesystems: update filesystem locking documentation
  vfs: namei: use path_equal() in follow_dotdot()
  fs.h: fix outdated comment about file flags
  __inode_security_revalidate() never gets NULL opt_dentry
  make xattr_getsecurity() static
  vfat: simplify checks in vfat_lookup()
  get rid of dead code in d_find_alias()
  it's SB_BORN, not MS_BORN...
  msdos_rmdir(): kill BS comment
  remove rpc_rmdir()
  fs: avoid fdput() after failed fdget() in vfs_dedupe_file_range()
2018-06-04 10:14:28 -07:00
Jeff Kirsher
228046e761 Documentation: e1000: Update kernel documentation
Updated the e1000.txt kernel documentation with the latest information.

Also convert the text file to reStructuredText (RST) format, since the
Linux kernel documentation now uses this format for documentation.

Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
2018-06-04 09:52:16 -07:00
Jeff Kirsher
85d63445f4 Documentation: e100: Update the Intel 10/100 driver doc
Over the years, several of the links have changed or are no longer valid
so update them.  In addition, the default values were incorrect for a
couple of parameters.

Converted the text file to the reStructuredText (RST) format, since the
Linux kernel documentation now uses this format for documentation.

Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
2018-06-04 09:48:54 -07:00