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116,000 commits

Author SHA1 Message Date
Linus Torvalds
55816dc1a5 ACPI updates for 5.6-rc1
- Update the ACPICA code in the kernel to upstream revision
    20200110 including:
 
    * Update of copyright notices to 2020 (Bob Moore).
 
    * Dispatcher fix to always generate buffer objects for the ASL
      create_field() operator (Maximilian Luz).
 
    * Debugger cleanup (Colin Ian King).
 
    * Disassembler change to create buffer fields in
      ACPI_PARSE_LOAD_PASS1 (Erik Kaneda).
 
    * UNIX line ending support for non-windows builds in acpisrc
      (Erik Kaneda).
 
  - Update the list of ACPICA maintainers (Rafael Wysocki).
 
  - Add Intel Tiger Lake ACPI device IDs to the ACPI DPTF, ACPI fan,
    int340x_thermal and intel-hid drivers (Gayatri Kammela).
 
  - Make the ACPI fan driver create additional sysfs attributes to
    expose power states information for fans (Srinivas Pandruvada).
 
  - Fix up the ACPI battery driver to deal with unexpected battery
    capacity information in a better way (Hans de Goede).
 
  - Add ACPI backlight quirks for Lenovo E41-25/45 and MSI MS-7721
    boards (Aaron Ma, Hans de Goede).
 
  - Add DMI quirk for Razer Blade Stealth 13 late 2019 lid switch
    to the ACPI button driver (Jason Ekstrand).
 
  - Drop TIMER_DEFERRABLE from the GHES polling mode timer function
    flags to make it run precisely at the configured time (Bhaskar
    Upadhaya).
 
  - Fix race condition related to the reference counting of query
    handlers in the ACPI EC driver (Rafael Wysocki).
 
  - Fix ACPI tools build issue (Zhengyuan Liu).
 
  - Replace dma_request_slave_channel() with dma_request_chan() in the
    firmware guide documentation for ACPI (Peter Ujfalusi).
 
  - Fix typo in a comment and clean up function parameter data type
    inconsistencies (Kacper Piwiński, Tian Tao).
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Merge tag 'acpi-5.6-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 most recent upstream
  revision (20200110), add new hardware support to a handful of ACPI
  drivers, make the ACPI fan driver expose power states information for
  fans, add some more quirks, fix bugs and clean up assorted things.

  Specifics:

   - Update the ACPICA code in the kernel to upstream revision 20200110
     including:
      - Update of copyright notices to 2020 (Bob Moore).
      - Dispatcher fix to always generate buffer objects for the ASL
        create_field() operator (Maximilian Luz).
      - Debugger cleanup (Colin Ian King).
      - Disassembler change to create buffer fields in
        ACPI_PARSE_LOAD_PASS1 (Erik Kaneda).
      - UNIX line ending support for non-windows builds in acpisrc (Erik
        Kaneda).

   - Update the list of ACPICA maintainers (Rafael Wysocki).

   - Add Intel Tiger Lake ACPI device IDs to the ACPI DPTF, ACPI fan,
     int340x_thermal and intel-hid drivers (Gayatri Kammela).

   - Make the ACPI fan driver create additional sysfs attributes to
     expose power states information for fans (Srinivas Pandruvada).

   - Fix up the ACPI battery driver to deal with unexpected battery
     capacity information in a better way (Hans de Goede).

   - Add ACPI backlight quirks for Lenovo E41-25/45 and MSI MS-7721
     boards (Aaron Ma, Hans de Goede).

   - Add DMI quirk for Razer Blade Stealth 13 late 2019 lid switch to
     the ACPI button driver (Jason Ekstrand).

   - Drop TIMER_DEFERRABLE from the GHES polling mode timer function
     flags to make it run precisely at the configured time (Bhaskar
     Upadhaya).

   - Fix race condition related to the reference counting of query
     handlers in the ACPI EC driver (Rafael Wysocki).

   - Fix ACPI tools build issue (Zhengyuan Liu).

   - Replace dma_request_slave_channel() with dma_request_chan() in the
     firmware guide documentation for ACPI (Peter Ujfalusi).

   - Fix typo in a comment and clean up function parameter data type
     inconsistencies (Kacper Piwiński, Tian Tao)"

* tag 'acpi-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (25 commits)
  ACPICA: Update version to 20200110
  ACPICA: All acpica: Update copyrights to 2020 Including tool signons.
  apei/ghes: Do not delay GHES polling
  ACPI: button: Add DMI quirk for Razer Blade Stealth 13 late 2019 lid switch
  ACPI: PPTT: Consistently use unsigned int as parameter type
  ACPI: EC: Reference count query handlers under lock
  ACPICA: Update the list of maintainers
  ACPICA: Update version to 20191213
  ACPICA: Dispatcher: always generate buffer objects for ASL create_field() operator
  ACPICA: acpisrc: add unix line ending support for non-windows build
  ACPICA: Disassembler: create buffer fields in ACPI_PARSE_LOAD_PASS1
  ACPICA: debugger: fix spelling mistake "adress" -> "address"
  ACPI: video: Do not export a non working backlight interface on MSI MS-7721 boards
  docs: firmware-guide: ACPI: Replace dma_request_slave_channel() with dma_request_chan()
  thermal: int340x_thermal: Add Tiger Lake ACPI device IDs
  platform/x86: intel-hid: Add Tiger Lake ACPI device ID
  ACPI: fan: Add Tiger Lake ACPI device ID
  ACPI: DPTF: Add Tiger Lake ACPI device IDs
  ACPI: fan: Expose fan performance state information
  tools/power/acpi: fix compilation error
  ...
2020-01-27 11:48:47 -08:00
Linus Torvalds
6d277aca48 Power management updates for 5.6-rc1
- Update the ACPI processor driver in order to export
    acpi_processor_evaluate_cst() to the code outside of it, add
    ACPI support to the intel_idle driver based on that and clean
    up that driver somewhat (Rafael Wysocki).
 
  - Add an admin guide document for the intel_idle driver (Rafael
    Wysocki).
 
  - Clean up cpuidle core and drivers, enable compilation testing
    for some of them (Benjamin Gaignard, Krzysztof Kozlowski, Rafael
    Wysocki, Yangtao Li).
 
  - Fix reference counting of OPP (operating performance points) table
    structures (Viresh Kumar).
 
  - Add support for CPR (Core Power Reduction) to the AVS (Adaptive
    Voltage Scaling) subsystem (Niklas Cassel, Colin Ian King,
    YueHaibing).
 
  - Add support for TigerLake Mobile and JasperLake to the Intel RAPL
    power capping driver (Zhang Rui).
 
  - Update cpufreq drivers:
 
    * Add i.MX8MP support to imx-cpufreq-dt (Anson Huang).
 
    * Fix usage of a macro in loongson2_cpufreq (Alexandre Oliva).
 
    * Fix cpufreq policy reference counting issues in s3c and
      brcmstb-avs (chenqiwu).
 
    * Fix ACPI table reference counting issue and HiSilicon quirk
      handling in the CPPC driver (Hanjun Guo).
 
    * Clean up spelling mistake in intel_pstate (Harry Pan).
 
    * Convert the kirkwood and tegra186 drivers to using
      devm_platform_ioremap_resource() (Yangtao Li).
 
  - Update devfreq core:
 
    * Add 'name' sysfs attribute for devfreq devices (Chanwoo Choi).
 
    * Clean up the handing of transition statistics and allow them
      to be reset by writing 0 to the 'trans_stat' devfreq device
      attribute in sysfs (Kamil Konieczny).
 
    * Add 'devfreq_summary' to debugfs (Chanwoo Choi).
 
    * Clean up kerneldoc comments and Kconfig indentation (Krzysztof
      Kozlowski, Randy Dunlap).
 
  - Update devfreq drivers:
 
    * Add dynamic scaling for the imx8m DDR controller and clean up
      imx8m-ddrc (Leonard Crestez, YueHaibing).
 
    * Fix DT node reference counting and nitialization error code path
      in rk3399_dmc and add COMPILE_TEST and HAVE_ARM_SMCCC dependency
      for it (Chanwoo Choi, Yangtao Li).
 
    * Fix DT node reference counting in rockchip-dfi and make it use
      devm_platform_ioremap_resource() (Yangtao Li).
 
    * Fix excessive stack usage in exynos-ppmu (Arnd Bergmann).
 
    * Fix initialization error code paths in exynos-bus (Yangtao Li).
 
    * Clean up exynos-bus and exynos somewhat (Artur Świgoń, Krzysztof
      Kozlowski).
 
  - Add tracepoints for tracking usage_count updates unrelated to
    status changes in PM-runtime (Michał Mirosław).
 
  - Add sysfs attribute to control the "sync on suspend" behavior
    during system-wide suspend (Jonas Meurer).
 
  - Switch system-wide suspend tests over to 64-bit time (Alexandre
    Belloni).
 
  - Make wakeup sources statistics in debugfs cover deleted ones which
    used to be the case some time ago (zhuguangqing).
 
  - Clean up computations carried out during hibernation, update
    messages related to hibernation and fix a spelling mistake in one
    of them (Wen Yang, Luigi Semenzato, Colin Ian King).
 
  - Add mailmap entry for maintainer e-mail address that has not been
    functional for several years (Rafael Wysocki).
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Merge tag 'pm-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates from Rafael Wysocki:
 "These add ACPI support to the intel_idle driver along with an admin
  guide document for it, add support for CPR (Core Power Reduction) to
  the AVS (Adaptive Voltage Scaling) subsystem, add new hardware support
  in a few places, add some new sysfs attributes, debugfs files and
  tracepoints, fix bugs and clean up a bunch of things all over.

  Specifics:

   - Update the ACPI processor driver in order to export
     acpi_processor_evaluate_cst() to the code outside of it, add ACPI
     support to the intel_idle driver based on that and clean up that
     driver somewhat (Rafael Wysocki).

   - Add an admin guide document for the intel_idle driver (Rafael
     Wysocki).

   - Clean up cpuidle core and drivers, enable compilation testing for
     some of them (Benjamin Gaignard, Krzysztof Kozlowski, Rafael
     Wysocki, Yangtao Li).

   - Fix reference counting of OPP (operating performance points) table
     structures (Viresh Kumar).

   - Add support for CPR (Core Power Reduction) to the AVS (Adaptive
     Voltage Scaling) subsystem (Niklas Cassel, Colin Ian King,
     YueHaibing).

   - Add support for TigerLake Mobile and JasperLake to the Intel RAPL
     power capping driver (Zhang Rui).

   - Update cpufreq drivers:
      - Add i.MX8MP support to imx-cpufreq-dt (Anson Huang).
      - Fix usage of a macro in loongson2_cpufreq (Alexandre Oliva).
      - Fix cpufreq policy reference counting issues in s3c and
        brcmstb-avs (chenqiwu).
      - Fix ACPI table reference counting issue and HiSilicon quirk
        handling in the CPPC driver (Hanjun Guo).
      - Clean up spelling mistake in intel_pstate (Harry Pan).
      - Convert the kirkwood and tegra186 drivers to using
        devm_platform_ioremap_resource() (Yangtao Li).

   - Update devfreq core:
      - Add 'name' sysfs attribute for devfreq devices (Chanwoo Choi).
      - Clean up the handing of transition statistics and allow them to
        be reset by writing 0 to the 'trans_stat' devfreq device
        attribute in sysfs (Kamil Konieczny).
      - Add 'devfreq_summary' to debugfs (Chanwoo Choi).
      - Clean up kerneldoc comments and Kconfig indentation (Krzysztof
        Kozlowski, Randy Dunlap).

   - Update devfreq drivers:
      - Add dynamic scaling for the imx8m DDR controller and clean up
        imx8m-ddrc (Leonard Crestez, YueHaibing).
      - Fix DT node reference counting and nitialization error code path
        in rk3399_dmc and add COMPILE_TEST and HAVE_ARM_SMCCC dependency
        for it (Chanwoo Choi, Yangtao Li).
      - Fix DT node reference counting in rockchip-dfi and make it use
        devm_platform_ioremap_resource() (Yangtao Li).
      - Fix excessive stack usage in exynos-ppmu (Arnd Bergmann).
      - Fix initialization error code paths in exynos-bus (Yangtao Li).
      - Clean up exynos-bus and exynos somewhat (Artur Świgoń, Krzysztof
        Kozlowski).

   - Add tracepoints for tracking usage_count updates unrelated to
     status changes in PM-runtime (Michał Mirosław).

   - Add sysfs attribute to control the "sync on suspend" behavior
     during system-wide suspend (Jonas Meurer).

   - Switch system-wide suspend tests over to 64-bit time (Alexandre
     Belloni).

   - Make wakeup sources statistics in debugfs cover deleted ones which
     used to be the case some time ago (zhuguangqing).

   - Clean up computations carried out during hibernation, update
     messages related to hibernation and fix a spelling mistake in one
     of them (Wen Yang, Luigi Semenzato, Colin Ian King).

   - Add mailmap entry for maintainer e-mail address that has not been
     functional for several years (Rafael Wysocki)"

* tag 'pm-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (83 commits)
  cpufreq: loongson2_cpufreq: adjust cpufreq uses of LOONGSON_CHIPCFG
  intel_idle: Clean up irtl_2_usec()
  intel_idle: Move 3 functions closer to their callers
  intel_idle: Annotate initialization code and data structures
  intel_idle: Move and clean up intel_idle_cpuidle_devices_uninit()
  intel_idle: Rearrange intel_idle_cpuidle_driver_init()
  intel_idle: Clean up NULL pointer check in intel_idle_init()
  intel_idle: Fold intel_idle_probe() into intel_idle_init()
  intel_idle: Eliminate __setup_broadcast_timer()
  cpuidle: fix cpuidle_find_deepest_state() kerneldoc warnings
  cpuidle: sysfs: fix warnings when compiling with W=1
  cpuidle: coupled: fix warnings when compiling with W=1
  cpufreq: brcmstb-avs: fix imbalance of cpufreq policy refcount
  PM: suspend: Add sysfs attribute to control the "sync on suspend" behavior
  PM / devfreq: Add debugfs support with devfreq_summary file
  Documentation: admin-guide: PM: Add intel_idle document
  cpuidle: arm: Enable compile testing for some of drivers
  PM-runtime: add tracepoints for usage_count changes
  cpufreq: intel_pstate: fix spelling mistake: "Whethet" -> "Whether"
  PM: hibernate: fix spelling mistake "shapshot" -> "snapshot"
  ...
2020-01-27 11:23:54 -08:00
Linus Torvalds
aae1464f46 regulator: Updates for v5.6
Hardly anything going on in the core this time around with the regulator
 API and pretty quiet on the driver front:
 
  - An API for comparing regulators, useful for devices that need to
    check if supply voltages exactly match rather than just nominally
    match.
  - Conversion of several DT bindings to YAML format.
  - Conversion of I2C drivers to probe_new().
  - New drivers for Monolithic MPQ7920 and MP8859, and Rohm BD71828.
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Merge tag 'regulator-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "Hardly anything going on in the core this time around with the
  regulator API and pretty quiet on the driver front:

   - An API for comparing regulators, useful for devices that need to
     check if supply voltages exactly match rather than just nominally
     match.

   - Conversion of several DT bindings to YAML format.

   - Conversion of I2C drivers to probe_new().

   - New drivers for Monolithic MPQ7920 and MP8859, and Rohm BD71828"

* tag 'regulator-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (34 commits)
  dt-bindings: regulator: add document bindings for mpq7920
  regulator: core: Fix exported symbols to the exported GPL version
  regulator: mpq7920: Fix incorrect defines
  regulator: vqmmc-ipq4019: Fix platform_no_drv_owner.cocci warnings
  regulator: vctrl-regulator: Avoid deadlock getting and setting the voltage
  regulator fix for "regulator: core: Add regulator_is_equal() helper"
  regulator: core: Add regulator_is_equal() helper
  regulator: mpq7920: Convert to use .probe_new
  regulator: mpq7920: Remove unneeded fields from struct mpq7920_regulator_info
  regulator: vqmmc-ipq4019: Trivial clean up
  regulator: vqmmc-ipq4019: Remove ipq4019_regulator_remove
  regulator: bindings: Drop document bindings for mpq7920
  dt-bindings: Drop entry for Monolithic Power System, MPS
  regulator: bd718x7: Simplify the code by removing struct bd718xx_pmic_inits
  regulator: add IPQ4019 SDHCI VQMMC LDO driver
  regulator: Convert i2c drivers to use .probe_new
  regulator: mpq7920: Check the correct variable in mpq7920_regulator_register()
  regulator: mpq7920: Fix Woverflow warning on conversion
  regulator: mp8859: tidy up white space in probe
  regulator: mpq7920: add mpq7920 regulator driver
  ...
2020-01-27 11:18:55 -08:00
Linus Torvalds
1e1ab4ba47 spi: Updates for v5.6
Not much going on in the core for SPI this time but a reasonable amount
 of change in the drivers:
 
  - Removal of dmal_request_slave_channel() from Peter Ujfalusi.
  - More conversions of drivers to GPIO descriptors from Linus Walleij.
  - A big rework of the sh-msiof driver from Geert Uytterhoeven moving it
    over to the generic native chipselect support.
  - DMA support for the uniphier driver from Kunihiko Hayashi.
  - New driver support for HiSilcon v3xx SPI NOR controllers from John
    Garry.
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Merge tag 'spi-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "Not much going on in the core for SPI this time but a reasonable
  amount of change in the drivers:

   - Removal of dmal_request_slave_channel() from Peter Ujfalusi.

   - More conversions of drivers to GPIO descriptors from Linus Walleij.

   - A big rework of the sh-msiof driver from Geert Uytterhoeven moving
     it over to the generic native chipselect support.

   - DMA support for the uniphier driver from Kunihiko Hayashi.

   - New driver support for HiSilcon v3xx SPI NOR controllers from John
     Garry"

* tag 'spi-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (52 commits)
  dt-binding: spi: add NPCM PSPI reset binding
  spi: pxa2xx: Avoid touching SSCR0_SSE on MMP2
  spi: spi-fsl-qspi: Ensure width is respected in spi-mem operations
  spi: npcm-pspi: modify reset support
  spi: npcm-pspi: improve spi transfer performance
  spi: spi-ti-qspi: fix warning
  spi: npcm-pspi: fix 16 bit send and receive support
  spi: pxa2xx: Add support for Intel Comet Lake PCH-V
  spi: fsl: simplify error path in of_fsl_spi_probe()
  spi: fsl-lpspi: fix only one cs-gpio working
  spi: spi-ti-qspi: optimize byte-transfers
  spi: spi-ti-qspi: support large flash devices
  spi: spi-qcom-qspi: Use device managed memory for clk_bulk_data
  MAINTAINERS: Add a maintainer for the HiSilicon v3xx SFC driver
  spi: Add HiSilicon v3xx SPI NOR flash controller driver
  dt-bindings: spi_atmel: add microchip,sam9x60-spi
  spi: bcm2835: Raise maximum number of slaves to 4
  spi: sh-msiof: Do not redefine STR while compile testing
  spi: rspi: Add support for GPIO chip selects
  spi: rspi: Add support for multiple native chip selects
  ...
2020-01-27 11:15:34 -08:00
Linus Torvalds
e83a0ed2a6 regmap: Updates for v5.6
This is quite a busy release for a subsystem that's usually very quiet,
 though still a small set of updates in the grand scheme of things:
 
  - A fix for writes to non-incrementing registers.
  - An iopoll() style helper for use with atomic safe regmaps, making
    it easier to transition from raw memory mapped I/O.
  - Some constification.
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Merge tag 'regmap-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap updates from Mark Brown:
 "This is quite a busy release for a subsystem that's usually very
  quiet, though still a small set of updates in the grand scheme of
  things:

   - A fix for writes to non-incrementing registers.

   - An iopoll() style helper for use with atomic safe regmaps, making
     it easier to transition from raw memory mapped I/O.

   - Some constification"

* tag 'regmap-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: fix writes to non incrementing registers
  regmap: add iopoll-like atomic polling macro
  regmap-i2c: constify regmap_bus structures
2020-01-27 11:13:02 -08:00
Linus Torvalds
a5b871c91d dmaengine updates for v5.6-rc1
- Core:
    - Support for dynamic channels
    - Removal of various slave wrappers
    - Make few slave request APIs as private to dmaengine
    - Symlinks between channels and slaves
    - Support for hotplug of controllers
    - Support for metadata_ops for dma_async_tx_descriptor
    - Reporting DMA cached data amount
    - Virtual dma channel locking updates
 
  - New drivers/device/feature support support:
    - Driver for Intel data accelerators
    - Driver for TI K3 UDMA
    - Driver for PLX DMA engine
    - Driver for hisilicon Kunpeng DMA engine
    - Support for eDMA support for QorIQ LS1028A in fsl edma driver
    - Support for cyclic dma in sun4i driver
    - Support for X1830 in JZ4780 driver
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Merge tag 'dmaengine-5.6-rc1' of git://git.infradead.org/users/vkoul/slave-dma

Pull dmaengine updates from Vinod Koul:
 "This time we have a bunch of core changes to support dynamic channels,
  hotplug of controllers, new apis for metadata ops etc along with new
  drivers for Intel data accelerators, TI K3 UDMA, PLX DMA engine and
  hisilicon Kunpeng DMA engine. Also usual assorted updates to drivers.

  Core:
   - Support for dynamic channels
   - Removal of various slave wrappers
   - Make few slave request APIs as private to dmaengine
   - Symlinks between channels and slaves
   - Support for hotplug of controllers
   - Support for metadata_ops for dma_async_tx_descriptor
   - Reporting DMA cached data amount
   - Virtual dma channel locking updates

  New drivers/device/feature support support:
   - Driver for Intel data accelerators
   - Driver for TI K3 UDMA
   - Driver for PLX DMA engine
   - Driver for hisilicon Kunpeng DMA engine
   - Support for eDMA support for QorIQ LS1028A in fsl edma driver
   - Support for cyclic dma in sun4i driver
   - Support for X1830 in JZ4780 driver"

* tag 'dmaengine-5.6-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (62 commits)
  dmaengine: Create symlinks between DMA channels and slaves
  dmaengine: hisilicon: Add Kunpeng DMA engine support
  dmaengine: idxd: add char driver to expose submission portal to userland
  dmaengine: idxd: connect idxd to dmaengine subsystem
  dmaengine: idxd: add descriptor manipulation routines
  dmaengine: idxd: add sysfs ABI for idxd driver
  dmaengine: idxd: add configuration component of driver
  dmaengine: idxd: Init and probe for Intel data accelerators
  dmaengine: add support to dynamic register/unregister of channels
  dmaengine: break out channel registration
  x86/asm: add iosubmit_cmds512() based on MOVDIR64B CPU instruction
  dmaengine: ti: k3-udma: fix spelling mistake "limted" -> "limited"
  dmaengine: s3c24xx-dma: fix spelling mistake "to" -> "too"
  dmaengine: Move dma_get_{,any_}slave_channel() to private dmaengine.h
  dmaengine: Remove dma_request_slave_channel_compat() wrapper
  dmaengine: Remove dma_device_satisfies_mask() wrapper
  dt-bindings: fsl-imx-sdma: Add i.MX8MM/i.MX8MN/i.MX8MP compatible string
  dmaengine: zynqmp_dma: fix burst length configuration
  dmaengine: sun4i: Add support for cyclic requests with dedicated DMA
  dmaengine: fsl-qdma: fix duplicated argument to &&
  ...
2020-01-27 10:55:50 -08:00
Linus Torvalds
12fb2b993e Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID updates from Jiri Kosina:
 "This time it's surprisingly quiet (probably due to the christmas
  break):

   - Logitech HID++ protocol improvements from Mazin Rezk, Pedro
     Vanzella and Adrian Freund

   - support for hidraw uniq ioctl from Marcel Holtmann"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
  HID: logitech-hidpp: avoid duplicate error handling code in 'hidpp_probe()'
  hid-logitech-hidpp: read battery voltage from newer devices
  HID: logitech: Add MX Master 3 Mouse
  HID: logitech-hidpp: Support WirelessDeviceStatus connect events
  HID: logitech-hidpp: Support translations from short to long reports
  HID: hidraw: add support uniq ioctl
2020-01-27 10:48:30 -08:00
Linus Torvalds
08c49dc135 platform-drivers-x86 for v5.6-1
* Enable thermal policy for ASUS TUF FX705DY/FX505DY
 * Support left round button on ASUS N56VB
 * Support new Mellanox platforms of basic class VMOD0009 and VMOD0010
 * Intel Comet Lake, Tiger Lake and Elkhart Lake support in the PMC driver
 * Big clean up to Intel PMC core, PMC IPC and SCU IPC drivers
 * Touchscreen support for the PiPO W11 tablet
 
 The following is an automated git shortlog grouped by driver:
 
 asus-nb-wmi:
  -  Support left round button on N56VB
 
 asus-wmi:
  -  Fix keyboard brightness cannot be set to 0
  -  Set throttle thermal policy to default
  -  Support throttle thermal policy
 
 Documentation/ABI:
  -  Add new attribute for mlxreg-io sysfs interfaces
  -  Style changes
  -  Add missed attribute for mlxreg-io sysfs interfaces
  -  Fix documentation inconsistency for mlxreg-io sysfs interfaces
 
 GPD pocket fan:
  -  Allow somewhat lower/higher temperature limits
  -  Use default values when wrong modparams are given
 
 intel_atomisp2_pm:
  -  Spelling fixes
  -  Refactor timeout loop
 
 intel_mid_powerbtn:
  -  Take a copy of ddata
 
 intel_pmc_core:
  -  update Comet Lake platform driver
  -  Fix spelling of MHz unit
  -  Fix indentation in function definitions
  -  Put more stuff under #ifdef DEBUG_FS
  -  Respect error code of kstrtou32_from_user()
  -  Add Intel Elkhart Lake support
  -  Add Intel Tiger Lake support
  -  Make debugfs entry for pch_ip_power_gating_status conditional
  -  Create platform dependent bitmap structs
  -  Remove unnecessary assignments
  -  Clean up: Remove comma after the termination line
 
 intel_pmc_ipc:
  -  Switch to use driver->dev_groups
  -  Propagate error from kstrtoul()
  -  Use octal permissions in sysfs attributes
  -  Get rid of unnecessary includes
  -  Drop ipc_data_readb()
  -  Drop intel_pmc_gcr_read() and intel_pmc_gcr_write()
  -  Make intel_pmc_ipc_raw_cmd() static
  -  Make intel_pmc_ipc_simple_command() static
  -  Make intel_pmc_gcr_update() static
 
 intel_scu_ipc:
  -  Reformat kernel-doc comments of exported functions
  -  Drop intel_scu_ipc_raw_command()
  -  Drop intel_scu_ipc_io[read|write][8|16]()
  -  Drop unused macros
  -  Drop unused prototype intel_scu_ipc_fw_update()
  -  Sleeping is fine when polling
  -  Drop intel_scu_ipc_i2c_cntrl()
  -  Remove Lincroft support
  -  Add constants for register offsets
  -  Fix interrupt support
 
 intel_scu_ipcutil:
  -  Remove default y from Kconfig
 
 intel_telemetry_debugfs:
  -  Respect error code of kstrtou32_from_user()
 
 intel_telemetry_pltdrv:
  -  use devm_platform_ioremap_resource()
 
 mlx-platform:
  -  Add support for next generation systems
  -  Add support for new capability register
  -  Add support for new system type
  -  Set system mux configuration based on system type
  -  Add more definitions for system attributes
  -  Cosmetic changes
 
 platform/mellanox:
  -  mlxreg-hotplug: Add support for new capability register
  -  fix potential deadlock in the tmfifo driver
 
 tools/power/x86/intel-speed-select:
  -  Update version
  -  Change the order for clos disable
  -  Fix result display for turbo-freq auto mode
  -  Add support for core-power discovery
  -  Allow additional core-power mailbox commands
  -  Update MAINTAINERS for the intel uncore frequency control
  -  Add support for Uncore frequency control
 
 touchscreen_dmi:
  -  Fix indentation in several places
  -  Add info for the PiPO W11 tablet
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Merge tag 'platform-drivers-x86-v5.6-1' of git://git.infradead.org/linux-platform-drivers-x86

Pull x86 platform driver updates from Andy Shevchenko:

 - Enable thermal policy for ASUS TUF FX705DY/FX505DY

 - Support left round button on ASUS N56VB

 - Support new Mellanox platforms of basic class VMOD0009 and VMOD0010

 - Intel Comet Lake, Tiger Lake and Elkhart Lake support in the PMC
   driver

 - Big clean-up to Intel PMC core, PMC IPC and SCU IPC drivers

 - Touchscreen support for the PiPO W11 tablet

* tag 'platform-drivers-x86-v5.6-1' of git://git.infradead.org/linux-platform-drivers-x86: (64 commits)
  platform/x86: intel_pmc_ipc: Switch to use driver->dev_groups
  platform/x86: intel_pmc_ipc: Propagate error from kstrtoul()
  platform/x86: intel_pmc_ipc: Use octal permissions in sysfs attributes
  platform/x86: intel_pmc_ipc: Get rid of unnecessary includes
  platform/x86: intel_pmc_ipc: Drop ipc_data_readb()
  platform/x86: intel_pmc_ipc: Drop intel_pmc_gcr_read() and intel_pmc_gcr_write()
  platform/x86: intel_pmc_ipc: Make intel_pmc_ipc_raw_cmd() static
  platform/x86: intel_pmc_ipc: Make intel_pmc_ipc_simple_command() static
  platform/x86: intel_pmc_ipc: Make intel_pmc_gcr_update() static
  platform/x86: intel_scu_ipc: Reformat kernel-doc comments of exported functions
  platform/x86: intel_scu_ipc: Drop intel_scu_ipc_raw_command()
  platform/x86: intel_scu_ipc: Drop intel_scu_ipc_io[read|write][8|16]()
  platform/x86: intel_scu_ipc: Drop unused macros
  platform/x86: intel_scu_ipc: Drop unused prototype intel_scu_ipc_fw_update()
  platform/x86: intel_scu_ipc: Sleeping is fine when polling
  platform/x86: intel_scu_ipc: Drop intel_scu_ipc_i2c_cntrl()
  platform/x86: intel_scu_ipc: Remove Lincroft support
  platform/x86: intel_scu_ipc: Add constants for register offsets
  platform/x86: intel_scu_ipc: Fix interrupt support
  platform/x86: intel_scu_ipcutil: Remove default y from Kconfig
  ...
2020-01-27 10:42:35 -08:00
Linus Torvalds
9e1af7567b MMC core:
- Convert to reasonable timeouts for all CMD6 commands (updates for BKOPS,
    CACHE_FLUSH and INAND_CMD38_ARG_EXT_CSD) for eMMC
  - Respect f_max clock rate at card initialization
  - Add gpiod_toggle_active_low() API
  - Consolidate slot-gpio code by using gpiod_toggle_active_low()
 
 MMC host:
  - Add pinctrl_select_default_state() API
  - Consolidate pintctrl code by using pinctrl_select_default_state()
  - mmci: Support any block sizes for SDIO for some variants
  - mmci: Enable reset control for stm32_sdmmc
  - mmc_spi: Toggle SPI_CS_HIGH polarity rather than hard-coding it
  - renesas_sdhi: Add support for the r8a77961 variant
  - renesas_sdhi: A few minor improvements
  - rockchip-dw-mshc: Add support for the rk3308 variant
  - sdhci: Enable support for external DMA controllers
  - sdhci: Fixup error path when sending CMD12
  - sdhci-brcmstb: Add support for 7216b0 variant
  - sdhci-brcmstb: Add support for command queuing (CQHCI)
  - sdhci-brcmstb: Add support for eMMC HS400ES mode
  - sdhci-msm: Add support for the sc7180 variant
  - sdhci-msm: Add support for command queuing (CQHCI)
  - sdhci-of-at91: Add support for the SAM9x60 variant
  - sdhci-of-at91: Improve support for tunings
  - sdhci-of-esdhc: A few fixups for some clock related issues
  - sdhci-omap: Add support for the am335x and the am437x variants
  - sdhci-omap: Improve support for erase operations
  - sdhci-omap: Add support for external DMA
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Merge tag 'mmc-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC updates from Ulf Hansson:
 "There are no updates for the MEMSTICK subsystem this time. But note
  that I am also carrying a patch from the pinctrl tree, which has been
  shared through an immutable branch.

  Summary:

  MMC core:
   - Convert to reasonable timeouts for all CMD6 commands (updates for
     BKOPS, CACHE_FLUSH and INAND_CMD38_ARG_EXT_CSD) for eMMC
   - Respect f_max clock rate at card initialization
   - Add gpiod_toggle_active_low() API
   - Consolidate slot-gpio code by using gpiod_toggle_active_low()

  MMC host:
   - Add pinctrl_select_default_state() API
   - Consolidate pintctrl code by using pinctrl_select_default_state()
   - mmci: Support any block sizes for SDIO for some variants
   - mmci: Enable reset control for stm32_sdmmc
   - mmc_spi: Toggle SPI_CS_HIGH polarity rather than hard-coding it
   - renesas_sdhi: Add support for the r8a77961 variant
   - renesas_sdhi: A few minor improvements
   - rockchip-dw-mshc: Add support for the rk3308 variant
   - sdhci: Enable support for external DMA controllers
   - sdhci: Fixup error path when sending CMD12
   - sdhci-brcmstb: Add support for 7216b0 variant
   - sdhci-brcmstb: Add support for command queuing (CQHCI)
   - sdhci-brcmstb: Add support for eMMC HS400ES mode
   - sdhci-msm: Add support for the sc7180 variant
   - sdhci-msm: Add support for command queuing (CQHCI)
   - sdhci-of-at91: Add support for the SAM9x60 variant
   - sdhci-of-at91: Improve support for tunings
   - sdhci-of-esdhc: A few fixups for some clock related issues
   - sdhci-omap: Add support for the am335x and the am437x variants
   - sdhci-omap: Improve support for erase operations
   - sdhci-omap: Add support for external DMA"

* tag 'mmc-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (89 commits)
  mmc: core: Default to generic_cmd6_time as timeout in __mmc_switch()
  mmc: block: Use generic_cmd6_time when modifying INAND_CMD38_ARG_EXT_CSD
  mmc: core: Specify timeouts for BKOPS and CACHE_FLUSH for eMMC
  mmc: sdhci-cadence: remove unneeded 'inline' marker
  dt-bindings: mmc: rockchip-dw-mshc: add description for rk3308
  dt-bindings: mmc: convert rockchip dw-mshc bindings to yaml
  dt-bindings: mmc: convert synopsys dw-mshc bindings to yaml
  mmc: sdhci-msm: Add CQHCI support for sdhci-msm
  mmc: sdhci: Let a vendor driver supply and update ADMA descriptor size
  mmc: sdhci-of-esdhc: fix serious issue clock is always disabled
  mmc: sdhci-of-esdhc: fix transfer mode register reading
  mmc: sdhci-brcmstb: Fix incorrect switch to HS mode
  mmc: sdhci-brcmstb: Add support for Command Queuing (CQE)
  mmc: sdhci-brcmstb: Add shutdown callback
  mmc: sdhci-brcmstb: Fix driver to defer on clk_get defer
  mmc: sdhci-brcmstb: Add ability to use HS400ES transfer mode
  dt-bindings: mmc: brcm,sdhci-brcmstb: Add support for 7216b0
  mmc: core: limit probe clock frequency to configured f_max
  mmc: sdhci-milbeaut: Remove redundant platform_get_irq error message
  mmc: sdhci: fix an issue of mixing different types
  ...
2020-01-27 10:30:42 -08:00
Linus Torvalds
30f5a75640 Merge branch 'ras-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RAS updates from Borislav Petkov:

 - Misc fixes to the MCE code all over the place, by Jan H. Schönherr.

 - Initial support for AMD F19h and other cleanups to amd64_edac, by
   Yazen Ghannam.

 - Other small cleanups.

* 'ras-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  EDAC/mce_amd: Make fam_ops static global
  EDAC/amd64: Drop some family checks for newer systems
  EDAC/amd64: Add family ops for Family 19h Models 00h-0Fh
  x86/amd_nb: Add Family 19h PCI IDs
  EDAC/mce_amd: Always load on SMCA systems
  x86/MCE/AMD, EDAC/mce_amd: Add new Load Store unit McaType
  x86/mce: Fix use of uninitialized MCE message string
  x86/mce: Fix mce=nobootlog
  x86/mce: Take action on UCNA/Deferred errors again
  x86/mce: Remove mce_inject_log() in favor of mce_log()
  x86/mce: Pass MCE message to mce_panic() on failed kernel recovery
  x86/mce/therm_throt: Mark throttle_active_work() as __maybe_unused
2020-01-27 09:19:35 -08:00
Linus Torvalds
35417d57ef hwmon updates for v5.6
core:
 - Add support for enable attributes to hwmon core
 - Add intrusion templates
 
 pmbus:
 - Support for Infineon Multi-phase xdpe122 family controllers
 - Support for Intel IMVP9 and AMD 6.25mV modes
 - Support for vid mode detection per page bases
 - Detect if chip is write protected
 - Support for MAX20730, MAX20734, MAX20743, MAX20796, UCD90320, TPS53688
 - Various improvements to ibm-cffps driver
 
 k10temp:
 - Support for additional temperature sensors as well as voltage and
   current telemetry for Zen CPUs
 
 w83627ehf:
 - Remove support for NCT6775, NCT6776 (they have their own driver)
 
 New drivers:
 - ADM1177
 - MAX31730
 - Driver for disk and solid state drives with temperature sensors
 
 Other:
 - pwm-fan: stop fan on shutdown
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Merge tag 'hwmon-for-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:
 "core:
   - Add support for enable attributes to hwmon core
   - Add intrusion templates

  pmbus:
   - Support for Infineon Multi-phase xdpe122 family controllers
   - Support for Intel IMVP9 and AMD 6.25mV modes
   - Support for vid mode detection per page bases
   - Detect if chip is write protected
   - Support for MAX20730, MAX20734, MAX20743, MAX20796, UCD90320,
     TPS53688
   - Various improvements to ibm-cffps driver

  k10temp:
   - Support for additional temperature sensors as well as voltage and
     current telemetry for Zen CPUs

  w83627ehf:
   - Remove support for NCT6775, NCT6776 (they have their own driver)

  New drivers:
   - ADM1177
   - MAX31730
   - Driver for disk and solid state drives with temperature sensors

  Other:
   - pwm-fan: stop fan on shutdown"

* tag 'hwmon-for-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (35 commits)
  hwmon: (k10temp) Display up to eight sets of CCD temperatures
  hwmon: (k10temp) Add debugfs support
  hwmon: (k10temp) Don't show temperature limits on Ryzen (Zen) CPUs
  hwmon: (k10temp) Show core and SoC current and voltages on Ryzen CPUs
  hwmon: (k10temp) Report temperatures per CPU die
  hmon: (k10temp) Convert to use devm_hwmon_device_register_with_info
  hwmon: (k10temp) Use bitops
  hwmon: (pwm-fan) stop fan on shutdown
  MAINTAINERS: add entry for ADM1177 driver
  dt-binding: hwmon: Add documentation for ADM1177
  hwmon: (adm1177) Add ADM1177 Hot Swap Controller and Digital Power Monitor driver
  docs: hwmon: Include 'xdpe12284.rst' into docs
  hwmon: (pmbus) Add support for Infineon Multi-phase xdpe122 family controllers
  hwmon: (pmbus/tps53679) Extend device list supported by driver
  hwmon: (pmbus/core) Add support for Intel IMVP9 and AMD 6.25mV modes
  hwmon: (pmbus/core) Add support for vid mode detection per page bases
  hwmon: (pmbus/ibm-cffps) Prevent writing on_off_config with bad data
  hwmon: (w83627ehf) Remove set but not used variable 'fan4min'
  hwmon: Driver for disk and solid state drives with temperature sensors
  hwmon: (pmbus/ibm-cffps) Fix the LED behavior when turned off
  ...
2020-01-27 09:14:11 -08:00
Linus Torvalds
0238d3c753 arm64 updates for 5.6
- New architecture features
 	* Support for Armv8.5 E0PD, which benefits KASLR in the same way as
 	  KPTI but without the overhead. This allows KPTI to be disabled on
 	  CPUs that are not affected by Meltdown, even is KASLR is enabled.
 
 	* Initial support for the Armv8.5 RNG instructions, which claim to
 	  provide access to a high bandwidth, cryptographically secure hardware
 	  random number generator. As well as exposing these to userspace, we
 	  also use them as part of the KASLR seed and to seed the crng once
 	  all CPUs have come online.
 
 	* Advertise a bunch of new instructions to userspace, including support
 	  for Data Gathering Hint, Matrix Multiply and 16-bit floating point.
 
 - Kexec
 	* Cleanups in preparation for relocating with the MMU enabled
 	* Support for loading crash dump kernels with kexec_file_load()
 
 - Perf and PMU drivers
 	* Cleanups and non-critical fixes for a couple of system PMU drivers
 
 - FPU-less (aka broken) CPU support
 	* Considerable fixes to support CPUs without the FP/SIMD extensions,
 	  including their presence in heterogeneous systems. Good luck finding
 	  a 64-bit userspace that handles this.
 
 - Modern assembly function annotations
 	* Start migrating our use of ENTRY() and ENDPROC() over to the
 	  new-fangled SYM_{CODE,FUNC}_{START,END} macros, which are intended to
 	  aid debuggers
 
 - Kbuild
 	* Cleanup detection of LSE support in the assembler by introducing
 	  'as-instr'
 
 	* Remove compressed Image files when building clean targets
 
 - IP checksumming
 	* Implement optimised IPv4 checksumming routine when hardware offload
 	  is not in use. An IPv6 version is in the works, pending testing.
 
 - Hardware errata
 	* Work around Cortex-A55 erratum #1530923
 
 - Shadow call stack
 	* Work around some issues with Clang's integrated assembler not liking
 	  our perfectly reasonable assembly code
 
 	* Avoid allocating the X18 register, so that it can be used to hold the
 	  shadow call stack pointer in future
 
 - ACPI
 	* Fix ID count checking in IORT code. This may regress broken firmware
 	  that happened to work with the old implementation, in which case we'll
 	  have to revert it and try something else
 
 	* Fix DAIF corruption on return from GHES handler with pseudo-NMIs
 
 - Miscellaneous
 	* Whitelist some CPUs that are unaffected by Spectre-v2
 
 	* Reduce frequency of ASID rollover when KPTI is compiled in but
 	  inactive
 
 	* Reserve a couple of arch-specific PROT flags that are already used by
 	  Sparc and PowerPC and are planned for later use with BTI on arm64
 
 	* Preparatory cleanup of our entry assembly code in preparation for
 	  moving more of it into C later on
 
 	* Refactoring and cleanup
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 updates from Will Deacon:
 "The changes are a real mixed bag this time around.

  The only scary looking one from the diffstat is the uapi change to
  asm-generic/mman-common.h, but this has been acked by Arnd and is
  actually just adding a pair of comments in an attempt to prevent
  allocation of some PROT values which tend to get used for
  arch-specific purposes. We'll be using them for Branch Target
  Identification (a CFI-like hardening feature), which is currently
  under review on the mailing list.

  New architecture features:

   - Support for Armv8.5 E0PD, which benefits KASLR in the same way as
     KPTI but without the overhead. This allows KPTI to be disabled on
     CPUs that are not affected by Meltdown, even is KASLR is enabled.

   - Initial support for the Armv8.5 RNG instructions, which claim to
     provide access to a high bandwidth, cryptographically secure
     hardware random number generator. As well as exposing these to
     userspace, we also use them as part of the KASLR seed and to seed
     the crng once all CPUs have come online.

   - Advertise a bunch of new instructions to userspace, including
     support for Data Gathering Hint, Matrix Multiply and 16-bit
     floating point.

  Kexec:

   - Cleanups in preparation for relocating with the MMU enabled

   - Support for loading crash dump kernels with kexec_file_load()

  Perf and PMU drivers:

   - Cleanups and non-critical fixes for a couple of system PMU drivers

  FPU-less (aka broken) CPU support:

   - Considerable fixes to support CPUs without the FP/SIMD extensions,
     including their presence in heterogeneous systems. Good luck
     finding a 64-bit userspace that handles this.

  Modern assembly function annotations:

   - Start migrating our use of ENTRY() and ENDPROC() over to the
     new-fangled SYM_{CODE,FUNC}_{START,END} macros, which are intended
     to aid debuggers

  Kbuild:

   - Cleanup detection of LSE support in the assembler by introducing
     'as-instr'

   - Remove compressed Image files when building clean targets

  IP checksumming:

   - Implement optimised IPv4 checksumming routine when hardware offload
     is not in use. An IPv6 version is in the works, pending testing.

  Hardware errata:

   - Work around Cortex-A55 erratum #1530923

  Shadow call stack:

   - Work around some issues with Clang's integrated assembler not
     liking our perfectly reasonable assembly code

   - Avoid allocating the X18 register, so that it can be used to hold
     the shadow call stack pointer in future

  ACPI:

   - Fix ID count checking in IORT code. This may regress broken
     firmware that happened to work with the old implementation, in
     which case we'll have to revert it and try something else

   - Fix DAIF corruption on return from GHES handler with pseudo-NMIs

  Miscellaneous:

   - Whitelist some CPUs that are unaffected by Spectre-v2

   - Reduce frequency of ASID rollover when KPTI is compiled in but
     inactive

   - Reserve a couple of arch-specific PROT flags that are already used
     by Sparc and PowerPC and are planned for later use with BTI on
     arm64

   - Preparatory cleanup of our entry assembly code in preparation for
     moving more of it into C later on

   - Refactoring and cleanup"

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (73 commits)
  arm64: acpi: fix DAIF manipulation with pNMI
  arm64: kconfig: Fix alignment of E0PD help text
  arm64: Use v8.5-RNG entropy for KASLR seed
  arm64: Implement archrandom.h for ARMv8.5-RNG
  arm64: kbuild: remove compressed images on 'make ARCH=arm64 (dist)clean'
  arm64: entry: Avoid empty alternatives entries
  arm64: Kconfig: select HAVE_FUTEX_CMPXCHG
  arm64: csum: Fix pathological zero-length calls
  arm64: entry: cleanup sp_el0 manipulation
  arm64: entry: cleanup el0 svc handler naming
  arm64: entry: mark all entry code as notrace
  arm64: assembler: remove smp_dmb macro
  arm64: assembler: remove inherit_daif macro
  ACPI/IORT: Fix 'Number of IDs' handling in iort_id_map()
  mm: Reserve asm-generic prot flags 0x10 and 0x20 for arch use
  arm64: Use macros instead of hard-coded constants for MAIR_EL1
  arm64: Add KRYO{3,4}XX CPU cores to spectre-v2 safe list
  arm64: kernel: avoid x18 in __cpu_soft_restart
  arm64: kvm: stop treating register x18 as caller save
  arm64/lib: copy_page: avoid x18 register in assembler code
  ...
2020-01-27 08:58:19 -08:00
Rafael J. Wysocki
c102671af0 Merge branch 'pm-devfreq'
* pm-devfreq: (24 commits)
  PM / devfreq: Add debugfs support with devfreq_summary file
  PM / devfreq: exynos: Rename Exynos to lowercase
  PM / devfreq: imx8m-ddrc: Fix inconsistent IS_ERR and PTR_ERR
  PM / devfreq: exynos-bus: Add error log when fail to get devfreq-event
  PM / devfreq: exynos-bus: Disable devfreq-event device when fails
  PM / devfreq: rk3399_dmc: Disable devfreq-event device when fails
  PM / devfreq: imx8m-ddrc: Remove unused defines
  PM / devfreq: exynos-bus: Reduce goto statements and remove unused headers
  PM / devfreq: rk3399_dmc: Add COMPILE_TEST and HAVE_ARM_SMCCC dependency
  PM / devfreq: rockchip-dfi: Convert to devm_platform_ioremap_resource
  PM / devfreq: rk3399_dmc: Add missing of_node_put()
  PM / devfreq: rockchip-dfi: Add missing of_node_put()
  PM / devfreq: Fix multiple kernel-doc warnings
  PM / devfreq: exynos-bus: Extract exynos_bus_profile_init_passive()
  PM / devfreq: exynos-bus: Extract exynos_bus_profile_init()
  PM / devfreq: Move declaration of DEVICE_ATTR_RW(min_freq)
  PM / devfreq: Move statistics to separate struct devfreq_stats
  PM / devfreq: Add clearing transitions stats
  PM / devfreq: Change time stats to 64-bit
  PM / devfreq: Add new name attribute for sysfs
  ...
2020-01-27 11:30:38 +01:00
Rafael J. Wysocki
c95d9c140c Merge branches 'pm-core', 'powercap', 'pm-opp', 'pm-avs' and 'pm-misc'
* pm-core:
  PM-runtime: add tracepoints for usage_count changes

* powercap:
  powercap/intel_rapl: add support for JasperLake
  x86/cpu: Add Jasper Lake to Intel family
  powercap/intel_rapl: add support for TigerLake Mobile

* pm-opp:
  opp: Replace list_kref with a local counter
  opp: Free static OPPs on errors while adding them

* pm-avs:
  power: avs: qcom-cpr: remove duplicated include from qcom-cpr.c
  power: avs: fix uninitialized error return on failed cpr_read_fuse_uV() call
  power: avs: qcom-cpr: make cpr_get_opp_hz_for_req() static
  power: avs: qcom-cpr: remove set but unused variable
  power: avs: qcom-cpr: make sure that regmap is available
  power: avs: qcom-cpr: fix unsigned expression compared with zero
  power: avs: qcom-cpr: fix invalid printk specifier in debug print
  power: avs: Add support for CPR (Core Power Reduction)
  dt-bindings: power: avs: Add support for CPR (Core Power Reduction)

* pm-misc:
  mailmap: Add entry for <rjw@sisk.pl>
2020-01-27 11:30:13 +01:00
Rafael J. Wysocki
245224d1cb Merge branches 'pm-cpufreq' and 'pm-sleep'
* pm-cpufreq:
  cpufreq: loongson2_cpufreq: adjust cpufreq uses of LOONGSON_CHIPCFG
  cpufreq: brcmstb-avs: fix imbalance of cpufreq policy refcount
  cpufreq: intel_pstate: fix spelling mistake: "Whethet" -> "Whether"
  cpufreq: s3c: fix unbalances of cpufreq policy refcount
  cpufreq: imx-cpufreq-dt: Add i.MX8MP support
  cpufreq: Use imx-cpufreq-dt for i.MX8MP's speed grading
  cpufreq: tegra186: convert to devm_platform_ioremap_resource
  cpufreq: kirkwood: convert to devm_platform_ioremap_resource
  cpufreq: CPPC: put ACPI table after using it
  cpufreq : CPPC: Break out if HiSilicon CPPC workaround is matched

* pm-sleep:
  PM: suspend: Add sysfs attribute to control the "sync on suspend" behavior
  PM: hibernate: fix spelling mistake "shapshot" -> "snapshot"
  PM: hibernate: Add more logging on hibernation failure
  PM: hibernate: improve arithmetic division in preallocate_highmem_fraction()
  PM: wakeup: Show statistics for deleted wakeup sources again
  PM: sleep: Switch to rtc_time64_to_tm()/rtc_tm_to_time64()
2020-01-27 11:29:09 +01:00
Rafael J. Wysocki
5b82ba70de Merge branch 'pm-cpuidle'
* pm-cpuidle: (27 commits)
  intel_idle: Clean up irtl_2_usec()
  intel_idle: Move 3 functions closer to their callers
  intel_idle: Annotate initialization code and data structures
  intel_idle: Move and clean up intel_idle_cpuidle_devices_uninit()
  intel_idle: Rearrange intel_idle_cpuidle_driver_init()
  intel_idle: Clean up NULL pointer check in intel_idle_init()
  intel_idle: Fold intel_idle_probe() into intel_idle_init()
  intel_idle: Eliminate __setup_broadcast_timer()
  cpuidle: fix cpuidle_find_deepest_state() kerneldoc warnings
  cpuidle: sysfs: fix warnings when compiling with W=1
  cpuidle: coupled: fix warnings when compiling with W=1
  Documentation: admin-guide: PM: Add intel_idle document
  cpuidle: arm: Enable compile testing for some of drivers
  cpuidle: Drop unused cpuidle_driver_ref/unref() functions
  intel_idle: Use ACPI _CST on server systems
  intel_idle: Add module parameter to prevent ACPI _CST from being used
  intel_idle: Allow ACPI _CST to be used for selected known processors
  cpuidle: Allow idle states to be disabled by default
  intel_idle: Use ACPI _CST for processor models without C-state tables
  intel_idle: Refactor intel_idle_cpuidle_driver_init()
  ...
2020-01-27 11:28:57 +01:00
Rafael J. Wysocki
ff7a672f83 Merge branch 'acpica'
* acpica:
  ACPICA: Update version to 20200110
  ACPICA: All acpica: Update copyrights to 2020 Including tool signons.
  ACPICA: Update the list of maintainers
  ACPICA: Update version to 20191213
  ACPICA: Dispatcher: always generate buffer objects for ASL create_field() operator
  ACPICA: acpisrc: add unix line ending support for non-windows build
  ACPICA: Disassembler: create buffer fields in ACPI_PARSE_LOAD_PASS1
  ACPICA: debugger: fix spelling mistake "adress" -> "address"
2020-01-27 10:56:49 +01:00
Linus Torvalds
9dbca16087 block-5.5-2020-01-26
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Merge tag 'block-5.5-2020-01-26' of git://git.kernel.dk/linux-block

Pull block fix from Jens Axboe:
 "Unfortunately this weekend we had a few last minute reports, one was
  for block.

  The partition disable for zoned devices was overly restrictive, it can
  work (and be supported) just fine for host-aware variants.

  Here's a fix ensuring that's the case so we don't break existing users
  of that"

* tag 'block-5.5-2020-01-26' of git://git.kernel.dk/linux-block:
  block: allow partitions on host aware zone devices
2020-01-26 12:12:36 -08:00
Christoph Hellwig
b72053072c block: allow partitions on host aware zone devices
Host-aware SMR drives can be used with the commands to explicitly manage
zone state, but they can also be used as normal disks.  In the former
case it makes perfect sense to allow partitions on them, in the latter
it does not, just like for host managed devices.  Add a check to
add_partition to allow partitions on host aware devices, but give
up any zone management capabilities in that case, which also catches
the previously missed case of adding a partition vs just scanning it.

Because sd can rescan the attribute at runtime it needs to check if
a disk has partitions, for which a new helper is added to genhd.h.

Fixes: 5eac3eb30c ("block: Remove partition support for zoned block devices")
Reported-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-01-26 09:59:08 -07:00
Linus Torvalds
84809aaf78 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:

 1) Off by one in mt76 airtime calculation, from Dan Carpenter.

 2) Fix TLV fragment allocation loop condition in iwlwifi, from Luca
    Coelho.

 3) Don't confirm neigh entries when doing ipsec pmtu updates, from Xu
    Wang.

 4) More checks to make sure we only send TSO packets to lan78xx chips
    that they can actually handle. From James Hughes.

 5) Fix ip_tunnel namespace move, from William Dauchy.

 6) Fix unintended packet reordering due to cooperation between
    listification done by GRO and non-GRO paths. From Maxim
    Mikityanskiy.

 7) Add Jakub Kicincki formally as networking co-maintainer.

 8) Info leak in airo ioctls, from Michael Ellerman.

 9) IFLA_MTU attribute needs validation during rtnl_create_link(), from
    Eric Dumazet.

10) Use after free during reload in mlxsw, from Ido Schimmel.

11) Dangling pointers are possible in tp->highest_sack, fix from Eric
    Dumazet.

12) Missing *pos++ in various networking seq_next handlers, from Vasily
    Averin.

13) CHELSIO_GET_MEM operation neds CAP_NET_ADMIN check, from Michael
    Ellerman.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (109 commits)
  firestream: fix memory leaks
  net: cxgb3_main: Add CAP_NET_ADMIN check to CHELSIO_GET_MEM
  net: bcmgenet: Use netif_tx_napi_add() for TX NAPI
  tipc: change maintainer email address
  net: stmmac: platform: fix probe for ACPI devices
  net/mlx5e: kTLS, Do not send decrypted-marked SKBs via non-accel path
  net/mlx5e: kTLS, Remove redundant posts in TX resync flow
  net/mlx5e: kTLS, Fix corner-case checks in TX resync flow
  net/mlx5e: Clear VF config when switching modes
  net/mlx5: DR, use non preemptible call to get the current cpu number
  net/mlx5: E-Switch, Prevent ingress rate configuration of uplink rep
  net/mlx5: DR, Enable counter on non-fwd-dest objects
  net/mlx5: Update the list of the PCI supported devices
  net/mlx5: Fix lowest FDB pool size
  net: Fix skb->csum update in inet_proto_csum_replace16().
  netfilter: nf_tables: autoload modules from the abort path
  netfilter: nf_tables: add __nft_chain_type_get()
  netfilter: nf_tables_offload: fix check the chain offload flag
  netfilter: conntrack: sctp: use distinct states for new SCTP connections
  ipv6_route_seq_next should increase position index
  ...
2020-01-25 14:19:32 -08:00
David S. Miller
6badad1c1d Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf
Pablo Neira Ayuso says:

====================
Netfilter fixes for net

The following patchset contains Netfilter fixes for net:

1) Missing netlink attribute sanity check for NFTA_OSF_DREG,
   from Florian Westphal.

2) Use bitmap infrastructure in ipset to fix KASAN slab-out-of-bounds
   reads, from Jozsef Kadlecsik.

3) Missing initial CLOSED state in new sctp connection through
   ctnetlink events, from Jiri Wiesner.

4) Missing check for NFT_CHAIN_HW_OFFLOAD in nf_tables offload
   indirect block infrastructure, from wenxu.

5) Add __nft_chain_type_get() to sanity check family and chain type.

6) Autoload modules from the nf_tables abort path to fix races
   reported by syzbot.

7) Remove unnecessary skb->csum update on inet_proto_csum_replace16(),
   from Praveen Chaudhary.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-25 21:40:39 +01:00
Pablo Neira Ayuso
eb014de4fd netfilter: nf_tables: autoload modules from the abort path
This patch introduces a list of pending module requests. This new module
list is composed of nft_module_request objects that contain the module
name and one status field that tells if the module has been already
loaded (the 'done' field).

In the first pass, from the preparation phase, the netlink command finds
that a module is missing on this list. Then, a module request is
allocated and added to this list and nft_request_module() returns
-EAGAIN. This triggers the abort path with the autoload parameter set on
from nfnetlink, request_module() is called and the module request enters
the 'done' state. Since the mutex is released when loading modules from
the abort phase, the module list is zapped so this is iteration occurs
over a local list. Therefore, the request_module() calls happen when
object lists are in consistent state (after fulling aborting the
transaction) and the commit list is empty.

On the second pass, the netlink command will find that it already tried
to load the module, so it does not request it again and
nft_request_module() returns 0. Then, there is a look up to find the
object that the command was missing. If the module was successfully
loaded, the command proceeds normally since it finds the missing object
in place, otherwise -ENOENT is reported to userspace.

This patch also updates nfnetlink to include the reason to enter the
abort phase, which is required for this new autoload module rationale.

Fixes: ec7470b834 ("netfilter: nf_tables: store transaction list locally while requesting module")
Reported-by: syzbot+29125d208b3dae9a7019@syzkaller.appspotmail.com
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2020-01-24 20:54:29 +01:00
Geert Uytterhoeven
71723a96b8 dmaengine: Create symlinks between DMA channels and slaves
Currently it is not easy to find out which DMA channels are in use, and
which slave devices are using which channels.

Fix this by creating two symlinks between the DMA channel and the actual
slave device when a channel is requested:
  1. A "slave" symlink from DMA channel to slave device,
  2. A "dma:<name>" symlink slave device to DMA channel.
When the channel is released, the symlinks are removed again.
The latter requires keeping track of the slave device and the channel
name in the dma_chan structure.

Note that this is limited to channel request functions for requesting an
exclusive slave channel that take a device pointer (dma_request_chan()
and dma_request_slave_channel*()).

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Link: https://lore.kernel.org/r/20200117153056.31363-1-geert+renesas@glider.be
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-01-24 11:41:32 +05:30
Dave Jiang
bfe1d56091 dmaengine: idxd: Init and probe for Intel data accelerators
The idxd driver introduces the Intel Data Stream Accelerator [1] that will
be available on future Intel Xeon CPUs. One of the kernel access
point for the driver is through the dmaengine subsystem. It will initially
provide the DMA copy service to the kernel.

Some of the main functionality introduced with this accelerator
are: shared virtual memory (SVM) support, and descriptor submission using
Intel CPU instructions movdir64b and enqcmds. There will be additional
accelerator devices that share the same driver with variations to
capabilities.

This commit introduces the probe and initialization component of the
driver.

[1]: https://software.intel.com/en-us/download/intel-data-streaming-accelerator-preliminary-architecture-specification

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/157965023991.73301.6186843973135311580.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-01-24 11:18:45 +05:30
Dave Jiang
e81274cd6b dmaengine: add support to dynamic register/unregister of channels
With the channel registration routines broken out, now add support code to
allow independent registering and unregistering of channels in a hotplug fashion.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/157965023364.73301.7821862091077299040.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-01-24 11:18:45 +05:30
Guenter Roeck
9e347728c4 hwmon: (pmbus) Detect if chip is write protected
If a chip is write protected, we can not change any limits, and we can
not clear status flags. This may be the reason why clearing status flags
is reported to not work for some chips. Detect the condition in the pmbus
core. If the chip is write protected, set limit attributes as read-only,
and set the flag indicating that the status flag should be ignored.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2020-01-23 13:15:09 -08:00
Guenter Roeck
002c6b545b hwmon: Add support for enable attributes to hwmon core
The hwmon ABI supports enable attributes since commit fb41a710f8
("hwmon: Document the sensor enable attribute"), but did not
add support for those attributes to the hwmon core. Do that now.

Since the enable attributes are logically the most important attributes,
they are added as first attribute to the attribute list. Move
hwmon_in_enable from last to first place for consistency.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2020-01-23 13:15:09 -08:00
Dr. David Alan Gilbert
4413405f93 hwmon: Add intrusion templates
Add templates for intrusion%d_alarm and intrusion%d_beep.
Note, these start at 0.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://lore.kernel.org/r/20191124202030.45360-2-linux@treblig.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2020-01-23 13:15:09 -08:00
Linus Torvalds
4703d91199 XArray updates for 5.5
Primarily bugfixes, mostly around handling index wrap-around correctly.
 A couple of doc fixes and adding missing APIs.
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Merge tag 'xarray-5.5' of git://git.infradead.org/users/willy/linux-dax

Pull XArray fixes from Matthew Wilcox:
 "Primarily bugfixes, mostly around handling index wrap-around
  correctly.

  A couple of doc fixes and adding missing APIs.

  I had an oops live on stage at linux.conf.au this year, and it turned
  out to be a bug in xas_find() which I can't prove isn't triggerable in
  the current codebase. Then in looking for the bug, I spotted two more
  bugs.

  The bots have had a few days to chew on this with no problems
  reported, and it passes the test-suite (which now has more tests to
  make sure these problems don't come back)"

* tag 'xarray-5.5' of git://git.infradead.org/users/willy/linux-dax:
  XArray: Add xa_for_each_range
  XArray: Fix xas_find returning too many entries
  XArray: Fix xa_find_after with multi-index entries
  XArray: Fix infinite loop with entry at ULONG_MAX
  XArray: Add wrappers for nested spinlocks
  XArray: Improve documentation of search marks
  XArray: Fix xas_pause at ULONG_MAX
2020-01-23 11:37:19 -08:00
Linus Torvalds
34597c85be Various tracing fixes:
- Fix a function comparison warning for a xen trace event macro
  - Fix a double perf_event linking to a trace_uprobe_filter for multiple events
  - Fix suspicious RCU warnings in trace event code for using
     list_for_each_entry_rcu() when the "_rcu" portion wasn't needed.
  - Fix a bug in the histogram code when using the same variable
  - Fix a NULL pointer dereference when tracefs lockdown enabled and calling
     trace_set_default_clock()
 
 This v2 version contains:
 
  - A fix to a bug found with the double perf_event linking patch
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Merge tag 'trace-v5.5-rc6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing fixes from Steven Rostedt:
 "Various tracing fixes:

   - Fix a function comparison warning for a xen trace event macro

   - Fix a double perf_event linking to a trace_uprobe_filter for
     multiple events

   - Fix suspicious RCU warnings in trace event code for using
     list_for_each_entry_rcu() when the "_rcu" portion wasn't needed.

   - Fix a bug in the histogram code when using the same variable

   - Fix a NULL pointer dereference when tracefs lockdown enabled and
     calling trace_set_default_clock()

   - A fix to a bug found with the double perf_event linking patch"

* tag 'trace-v5.5-rc6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  tracing/uprobe: Fix to make trace_uprobe_filter alignment safe
  tracing: Do not set trace clock if tracefs lockdown is in effect
  tracing: Fix histogram code when expression has same var as value
  tracing: trigger: Replace unneeded RCU-list traversals
  tracing/uprobe: Fix double perf_event linking on multiprobe uprobe
  tracing: xen: Ordered comparison of function pointers
2020-01-23 11:23:37 -08:00
Rafael J. Wysocki
322e929d19 Merge back new material related to system-wide PM for v5.6. 2020-01-23 16:00:56 +01:00
Mark Brown
754a36a58c
Merge branch 'spi-5.6' into spi-next 2020-01-23 12:37:18 +00:00
Mark Brown
ebe0bdf9cf
Merge remote-tracking branch 'regulator/topic/equal' into regulator-next 2020-01-23 12:37:08 +00:00
Eric Dumazet
d836f5c69d net: rtnetlink: validate IFLA_MTU attribute in rtnl_create_link()
rtnl_create_link() needs to apply dev->min_mtu and dev->max_mtu
checks that we apply in do_setlink()

Otherwise malicious users can crash the kernel, for example after
an integer overflow :

BUG: KASAN: use-after-free in memset include/linux/string.h:365 [inline]
BUG: KASAN: use-after-free in __alloc_skb+0x37b/0x5e0 net/core/skbuff.c:238
Write of size 32 at addr ffff88819f20b9c0 by task swapper/0/0

CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.5.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 print_address_description.constprop.0.cold+0xd4/0x30b mm/kasan/report.c:374
 __kasan_report.cold+0x1b/0x41 mm/kasan/report.c:506
 kasan_report+0x12/0x20 mm/kasan/common.c:639
 check_memory_region_inline mm/kasan/generic.c:185 [inline]
 check_memory_region+0x134/0x1a0 mm/kasan/generic.c:192
 memset+0x24/0x40 mm/kasan/common.c:108
 memset include/linux/string.h:365 [inline]
 __alloc_skb+0x37b/0x5e0 net/core/skbuff.c:238
 alloc_skb include/linux/skbuff.h:1049 [inline]
 alloc_skb_with_frags+0x93/0x590 net/core/skbuff.c:5664
 sock_alloc_send_pskb+0x7ad/0x920 net/core/sock.c:2242
 sock_alloc_send_skb+0x32/0x40 net/core/sock.c:2259
 mld_newpack+0x1d7/0x7f0 net/ipv6/mcast.c:1609
 add_grhead.isra.0+0x299/0x370 net/ipv6/mcast.c:1713
 add_grec+0x7db/0x10b0 net/ipv6/mcast.c:1844
 mld_send_cr net/ipv6/mcast.c:1970 [inline]
 mld_ifc_timer_expire+0x3d3/0x950 net/ipv6/mcast.c:2477
 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404
 expire_timers kernel/time/timer.c:1449 [inline]
 __run_timers kernel/time/timer.c:1773 [inline]
 __run_timers kernel/time/timer.c:1740 [inline]
 run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786
 __do_softirq+0x262/0x98c kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x19b/0x1e0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1137
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829
 </IRQ>
RIP: 0010:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:61
Code: 98 6b ea f9 eb 8a cc cc cc cc cc cc e9 07 00 00 00 0f 00 2d 44 1c 60 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d 34 1c 60 00 fb f4 <c3> cc 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 4e 5d 9a f9 e8 79
RSP: 0018:ffffffff89807ce8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff13266ae RBX: ffffffff8987a1c0 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000006 RDI: ffffffff8987aa54
RBP: ffffffff89807d18 R08: ffffffff8987a1c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000
R13: ffffffff8a799980 R14: 0000000000000000 R15: 0000000000000000
 arch_cpu_idle+0xa/0x10 arch/x86/kernel/process.c:690
 default_idle_call+0x84/0xb0 kernel/sched/idle.c:94
 cpuidle_idle_call kernel/sched/idle.c:154 [inline]
 do_idle+0x3c8/0x6e0 kernel/sched/idle.c:269
 cpu_startup_entry+0x1b/0x20 kernel/sched/idle.c:361
 rest_init+0x23b/0x371 init/main.c:451
 arch_call_rest_init+0xe/0x1b
 start_kernel+0x904/0x943 init/main.c:784
 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:490
 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:471
 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:242

The buggy address belongs to the page:
page:ffffea00067c82c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0
raw: 057ffe0000000000 ffffea00067c82c8 ffffea00067c82c8 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff88819f20b880: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88819f20b900: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff88819f20b980: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                                           ^
 ffff88819f20ba00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88819f20ba80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff

Fixes: 61e84623ac ("net: centralize net_device min/max MTU checking")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-23 11:14:21 +01:00
Rafael J. Wysocki
e6cf623ba3 Merge branch 'intel_idle+acpi'
Merge changes updating the ACPI processor driver in order to export
acpi_processor_evaluate_cst() to the code outside of it and adding
ACPI support to the intel_idle driver based on that.

* intel_idle+acpi:
  Documentation: admin-guide: PM: Add intel_idle document
  intel_idle: Use ACPI _CST on server systems
  intel_idle: Add module parameter to prevent ACPI _CST from being used
  intel_idle: Allow ACPI _CST to be used for selected known processors
  cpuidle: Allow idle states to be disabled by default
  intel_idle: Use ACPI _CST for processor models without C-state tables
  intel_idle: Refactor intel_idle_cpuidle_driver_init()
  ACPI: processor: Export acpi_processor_evaluate_cst()
  ACPI: processor: Make ACPI_PROCESSOR_CSTATE depend on ACPI_PROCESSOR
  ACPI: processor: Clean up acpi_processor_evaluate_cst()
  ACPI: processor: Introduce acpi_processor_evaluate_cst()
  ACPI: processor: Export function to claim _CST control
2020-01-23 00:35:50 +01:00
Linus Torvalds
dbab40bdb4 io_uring-5.5-2020-01-22
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Merge tag 'io_uring-5.5-2020-01-22' of git://git.kernel.dk/linux-block

Pull io_uring fix from Jens Axboe:
 "This was supposed to have gone in last week, but due to a brain fart
  on my part, I forgot that we made this struct addition in the 5.5
  cycle. So here it is for 5.5, to prevent having a 32 vs 64-bit
  compatability issue with the files_update command"

* tag 'io_uring-5.5-2020-01-22' of git://git.kernel.dk/linux-block:
  io_uring: fix compat for IORING_REGISTER_FILES_UPDATE
2020-01-22 08:30:09 -08:00
Mark Brown
ea87683909
Merge branch 'regmap-5.6' into regmap-next 2020-01-21 17:29:48 +00:00
Geert Uytterhoeven
c3c431de99 dmaengine: Move dma_get_{,any_}slave_channel() to private dmaengine.h
The functions dma_get_slave_channel() and dma_get_any_slave_channel()
are called from DMA engine drivers only.  Hence move their declarations
from the public header file <linux/dmaengine.h> to the private header
file drivers/dma/dmaengine.h.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20200121093311.28639-4-geert+renesas@glider.be
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-01-21 15:05:29 +05:30
Geert Uytterhoeven
71ca5b7823 dmaengine: Remove dma_request_slave_channel_compat() wrapper
At its original introduction, dma_request_slave_channel_compat() used a
wrapper, to accommodate filter functions that modify the mask passed.
Filter functions can no longer modify masks, and the mask parameter was
made const in commit a53e28da57 ("dma: Make the 'mask' parameter
of __dma_request_channel const") consecutively.

Hence remove the wrapper, and rename __dma_request_slave_channel_compat()
to dma_request_slave_channel_compat(), to get rid of one more function
name starting with a double underscore.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20200121093311.28639-3-geert+renesas@glider.be
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-01-21 15:05:28 +05:30
Grygorii Strashko
d702419134 dmaengine: ti: k3-udma: Add glue layer for non DMAengine users
Certain users can not use right now the DMAengine API due to missing
features in the core. Prime example is Networking.

These users can use the glue layer interface to avoid misuse of DMAengine
API and when the core gains the needed features they can be converted to
use generic API.

The most prominent features the glue layer clients are depending on:

- most PSI-L native peripheral use extra rflow ranges on a receive channel
   and depending on the peripheral's configuration packets from a single
   free descriptor ring is going to be received to different receive ring
  - it is also possible to have different free descriptor rings per rflow
    and an rflow can also support 4 additional free descriptor ring based
    on the size of the incoming packet
- out of order completion of descriptors on a channel
 - when we have several queues to handle different priority packets the
   descriptors will be completed 'out-of-order'
- the notion of prep_slave_sg is not matching with what the streaming type
   of operation is demanding for networking
- Streaming type of operation
 - Ability to fill the free descriptor ring with descriptors in
   anticipation of incoming traffic and when a packet arrives UDMAP will
   form a packet and gives it to the client driver
 - the descriptors are not backed with exact size data buffers as we don't
   know the size of the packet we will receive, but as a generic pool of
   buffers to be used by the receive channel
- NAPI type of operation (polling instead of interrupt driven transfer)
 - without this we can not sustain gigabit speeds and we need to support NAPI
 - not to limit this to networking, but other high performance operations

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Tested-by: Keerthy <j-keerthy@ti.com>
Link: https://lore.kernel.org/r/20191223110458.30766-12-peter.ujfalusi@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-01-21 11:06:12 +05:30
Peter Ujfalusi
8c6bb62f6b dmaengine: ti: k3 PSI-L remote endpoint configuration
In K3 architecture the DMA operates within threads. One end of the thread
is UDMAP, the other is on the peripheral side.

The UDMAP channel configuration depends on the needs of the remote
endpoint and it can be differ from peripheral to peripheral.

This patch adds database for am654 and j721e and small API to fetch the
PSI-L endpoint configuration from the database which should only used by
the DMA driver(s).

Another API is added for native peripherals to give possibility to pass new
configuration for the threads they are using, which is needed to be able to
handle changes caused by different firmware loaded for the peripheral for
example.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Tested-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Link: https://lore.kernel.org/r/20191223110458.30766-9-peter.ujfalusi@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-01-21 11:06:12 +05:30
Peter Ujfalusi
69bafc3185 dmaengine: ti: Add cppi5 header for K3 NAVSS/UDMA
The K3 DMA architecture uses CPPI5 (Communications Port Programming
Interface) specified descriptors over PSI-L bus within NAVSS.

The header provides helpers, macros to work with these descriptors in a
consistent way.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Tested-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Link: https://lore.kernel.org/r/20191223110458.30766-8-peter.ujfalusi@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-01-21 11:06:12 +05:30
Peter Ujfalusi
816ebf4844 dmaengine: Add helper function to convert direction value to text
dmaengine_get_direction_text() can be useful when the direction is printed
out. The text is easier to comprehend than the number.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20191223110458.30766-7-peter.ujfalusi@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-01-21 11:06:12 +05:30
Peter Ujfalusi
6755ec06d1 dmaengine: Add support for reporting DMA cached data amount
A DMA hardware can have big cache or FIFO and the amount of data sitting in
the DMA fabric can be an interest for the clients.

For example in audio we want to know the delay in the data flow and in case
the DMA have significantly large FIFO/cache, it can affect the latenc/delay

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Tero Kristo <t-kristo@ti.com>
Tested-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Link: https://lore.kernel.org/r/20191223110458.30766-6-peter.ujfalusi@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-01-21 11:06:12 +05:30
Peter Ujfalusi
4db8fd32ed dmaengine: Add metadata_ops for dma_async_tx_descriptor
The metadata is best described as side band data or parameters traveling
alongside the data DMAd by the DMA engine. It is data
which is understood by the peripheral and the peripheral driver only, the
DMA engine see it only as data block and it is not interpreting it in any
way.

The metadata can be different per descriptor as it is a parameter for the
data being transferred.

If the DMA supports per descriptor metadata it can implement the attach,
get_ptr/set_len callbacks.

Client drivers must only use either attach or get_ptr/set_len to avoid
misconfiguration.

Client driver can check if a given metadata mode is supported by the
channel during probe time with
dmaengine_is_metadata_mode_supported(chan, DESC_METADATA_CLIENT);
dmaengine_is_metadata_mode_supported(chan, DESC_METADATA_ENGINE);

and based on this information can use either mode.

Wrappers are also added for the metadata_ops.

To be used in DESC_METADATA_CLIENT mode:
dmaengine_desc_attach_metadata()

To be used in DESC_METADATA_ENGINE mode:
dmaengine_desc_get_metadata_ptr()
dmaengine_desc_set_metadata_len()

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Tero Kristo <t-kristo@ti.com>
Tested-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Link: https://lore.kernel.org/r/20191223110458.30766-5-peter.ujfalusi@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-01-21 11:06:12 +05:30
Vinod Koul
5fe4beaac2 SOC: TI Keystone Ring Accelerator driver
The Ring Accelerator (RINGACC or RA) provides hardware acceleration to
 enable straightforward passing of work between a producer and a consumer.
 There is one RINGACC module per NAVSS on TI AM65x SoCs.
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Merge TI ringacc driver from Santosh

This is for dependency of new TI ringacc dmaengine drivers

Merge tag 'drivers_soc_for_5.6' into topic/ti

SOC: TI Keystone Ring Accelerator driver

The Ring Accelerator (RINGACC or RA) provides hardware acceleration to
enable straightforward passing of work between a producer and a consumer.
There is one RINGACC module per NAVSS on TI AM65x SoCs.

Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-01-21 11:01:26 +05:30
Eugene Syromiatnikov
1292e972ff io_uring: fix compat for IORING_REGISTER_FILES_UPDATE
fds field of struct io_uring_files_update is problematic with regards
to compat user space, as pointer size is different in 32-bit, 32-on-64-bit,
and 64-bit user space.  In order to avoid custom handling of compat in
the syscall implementation, make fds __u64 and use u64_to_user_ptr in
order to retrieve it.  Also, align the field naturally and check that
no garbage is passed there.

Fixes: c3a31e6056 ("io_uring: add support for IORING_REGISTER_FILES_UPDATE")
Signed-off-by: Eugene Syromiatnikov <esyr@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-01-20 17:00:44 -07:00
Kadlecsik József
32c72165db netfilter: ipset: use bitmap infrastructure completely
The bitmap allocation did not use full unsigned long sizes
when calculating the required size and that was triggered by KASAN
as slab-out-of-bounds read in several places. The patch fixes all
of them.

Reported-by: syzbot+fabca5cbf5e54f3fe2de@syzkaller.appspotmail.com
Reported-by: syzbot+827ced406c9a1d9570ed@syzkaller.appspotmail.com
Reported-by: syzbot+190d63957b22ef673ea5@syzkaller.appspotmail.com
Reported-by: syzbot+dfccdb2bdb4a12ad425e@syzkaller.appspotmail.com
Reported-by: syzbot+df0d0f5895ef1f41a65b@syzkaller.appspotmail.com
Reported-by: syzbot+b08bd19bb37513357fd4@syzkaller.appspotmail.com
Reported-by: syzbot+53cdd0ec0bbabd53370a@syzkaller.appspotmail.com
Signed-off-by: Jozsef Kadlecsik <kadlec@netfilter.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2020-01-20 17:41:45 +01:00
Linus Torvalds
11a8272947 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:

 1) Fix non-blocking connect() in x25, from Martin Schiller.

 2) Fix spurious decryption errors in kTLS, from Jakub Kicinski.

 3) Netfilter use-after-free in mtype_destroy(), from Cong Wang.

 4) Limit size of TSO packets properly in lan78xx driver, from Eric
    Dumazet.

 5) r8152 probe needs an endpoint sanity check, from Johan Hovold.

 6) Prevent looping in tcp_bpf_unhash() during sockmap/tls free, from
    John Fastabend.

 7) hns3 needs short frames padded on transmit, from Yunsheng Lin.

 8) Fix netfilter ICMP header corruption, from Eyal Birger.

 9) Fix soft lockup when low on memory in hns3, from Yonglong Liu.

10) Fix NTUPLE firmware command failures in bnxt_en, from Michael Chan.

11) Fix memory leak in act_ctinfo, from Eric Dumazet.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (91 commits)
  cxgb4: reject overlapped queues in TC-MQPRIO offload
  cxgb4: fix Tx multi channel port rate limit
  net: sched: act_ctinfo: fix memory leak
  bnxt_en: Do not treat DSN (Digital Serial Number) read failure as fatal.
  bnxt_en: Fix ipv6 RFS filter matching logic.
  bnxt_en: Fix NTUPLE firmware command failures.
  net: systemport: Fixed queue mapping in internal ring map
  net: dsa: bcm_sf2: Configure IMP port for 2Gb/sec
  net: dsa: sja1105: Don't error out on disabled ports with no phy-mode
  net: phy: dp83867: Set FORCE_LINK_GOOD to default after reset
  net: hns: fix soft lockup when there is not enough memory
  net: avoid updating qdisc_xmit_lock_key in netdev_update_lockdep_key()
  net/sched: act_ife: initalize ife->metalist earlier
  netfilter: nat: fix ICMP header corruption on ICMP errors
  net: wan: lapbether.c: Use built-in RCU list checking
  netfilter: nf_tables: fix flowtable list del corruption
  netfilter: nf_tables: fix memory leak in nf_tables_parse_netdev_hooks()
  netfilter: nf_tables: remove WARN and add NLA_STRING upper limits
  netfilter: nft_tunnel: ERSPAN_VERSION must not be null
  netfilter: nft_tunnel: fix null-attribute check
  ...
2020-01-19 12:03:53 -08:00
Linus Torvalds
244dc26890 drm fixes for 5.5-rc7
core mst:
 - serialize down messages and clear timeslots are on unplug
 
 amdgpu:
 - Update golden settings for renoir
 - eDP fix
 
 i915:
 - uAPI fix: Remove dash and colon from PMU names to comply with tools/perf
 - Fix for include file that was indirectly included
 - Two fixes to make sure VMA are marked active for error capture
 
 virtio:
 - maintain obj reservation lock when submitting cmds
 
 rockchip:
 - increase link rate var size to accommodate rates
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Merge tag 'drm-fixes-2020-01-19' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Back from LCA2020, fixes wasn't too busy last week, seems to have
  quieten down appropriately, some amdgpu, i915, then a core mst fix and
  one fix for virtio-gpu and one for rockchip:

  core mst:
   - serialize down messages and clear timeslots are on unplug

  amdgpu:
   - Update golden settings for renoir
   - eDP fix

  i915:
   - uAPI fix: Remove dash and colon from PMU names to comply with
     tools/perf
   - Fix for include file that was indirectly included
   - Two fixes to make sure VMA are marked active for error capture

  virtio:
   - maintain obj reservation lock when submitting cmds

  rockchip:
   - increase link rate var size to accommodate rates"

* tag 'drm-fixes-2020-01-19' of git://anongit.freedesktop.org/drm/drm:
  drm/amd/display: Reorder detect_edp_sink_caps before link settings read.
  drm/amdgpu: update goldensetting for renoir
  drm/dp_mst: Have DP_Tx send one msg at a time
  drm/dp_mst: clear time slots for ports invalid
  drm/i915/pmu: Do not use colons or dashes in PMU names
  drm/rockchip: fix integer type used for storing dp data rate
  drm/i915/gt: Mark ring->vma as active while pinned
  drm/i915/gt: Mark context->state vma as active while pinned
  drm/i915/gt: Skip trying to unbind in restore_ggtt_mappings
  drm/i915: Add missing include file <linux/math64.h>
  drm/virtio: add missing virtio_gpu_array_lock_resv call
2020-01-18 13:57:31 -08:00