Commit Graph

48421 Commits

Author SHA1 Message Date
Niklas Söderlund d7fdfb6541 dt-bindings: thermal: rcar-gen3-thermal: Add r8a779a0 support
Add support for R-Car V3U. The V3U IP differs a bit from its siblings in
such way that it have 4 TSC nodes and the interrupts are not routed to
the INTC-AP but to the ECM.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20201126223028.3119044-2-niklas.soderlund+renesas@ragnatech.se
2020-12-08 21:16:35 +01:00
Viresh Kumar ce7c015574 docs: thermal: time_in_state is displayed in msec and not usertime
The sysfs stats for cooling devices shows the time_in_state in msec,
remove the unwanted usertime comment.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/d5461bdf9ab6b6fee7f28f538582edbb426aa077.1605004905.git.viresh.kumar@linaro.org
2020-11-12 12:35:02 +01:00
Geert Uytterhoeven 7cfa9770f4 dt-bindings: thermal: rcar-thermal: Improve schema validation
- Factor out common required properties,
  - "interrupts", "clocks", and "power-domains" are required on R-Mobile
    APE6, too,
  - Invert logic to simplify descriptions.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20201028153541.1736279-1-geert+renesas@glider.be
2020-11-12 12:32:30 +01:00
Fabien Parent c707f973df dt-bindings: thermal: mediatek: add documentation for MT8516 SoC
Add binding documentation for the MediaTek MT8516 SoC.
The SoC thermal IP is similar to MT2701.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20201021164231.3029956-2-fparent@baylibre.com
2020-10-27 11:18:54 +01:00
Fabien Parent 07df39d03c dt-bindings: thermal: mediatek: make resets property optional
MT8516 Thermal IP does not support reset. Make the resets property
optional in order to be able to support MT8516 SoC.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20201021164231.3029956-1-fparent@baylibre.com
2020-10-27 11:18:29 +01:00
Linus Torvalds bd6aabc7ca xen: branch for v5.10-rc1c
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Merge tag 'for-linus-5.10b-rc1c-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull more xen updates from Juergen Gross:

 - a series for the Xen pv block drivers adding module parameters for
   better control of resource usge

 - a cleanup series for the Xen event driver

* tag 'for-linus-5.10b-rc1c-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  Documentation: add xen.fifo_events kernel parameter description
  xen/events: unmask a fifo event channel only if it was masked
  xen/events: only register debug interrupt for 2-level events
  xen/events: make struct irq_info private to events_base.c
  xen: remove no longer used functions
  xen-blkfront: Apply changed parameter name to the document
  xen-blkfront: add a parameter for disabling of persistent grants
  xen-blkback: add a parameter for disabling of persistent grants
2020-10-25 10:55:35 -07:00
Linus Torvalds 81ecf91eab SafeSetID changes for v5.10
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Merge tag 'safesetid-5.10' of git://github.com/micah-morton/linux

Pull SafeSetID updates from Micah Morton:
 "The changes are mostly contained to within the SafeSetID LSM, with the
  exception of a few 1-line changes to change some ns_capable() calls to
  ns_capable_setid() -- causing a flag (CAP_OPT_INSETID) to be set that
  is examined by SafeSetID code and nothing else in the kernel.

  The changes to SafeSetID internally allow for setting up GID
  transition security policies, as already existed for UIDs"

* tag 'safesetid-5.10' of git://github.com/micah-morton/linux:
  LSM: SafeSetID: Fix warnings reported by test bot
  LSM: SafeSetID: Add GID security policy handling
  LSM: Signal to SafeSetID when setting group IDs
2020-10-25 10:45:26 -07:00
Linus Torvalds d769139081 block-5.10-2020-10-24
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Merge tag 'block-5.10-2020-10-24' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:

 - NVMe pull request from Christoph
     - rdma error handling fixes (Chao Leng)
     - fc error handling and reconnect fixes (James Smart)
     - fix the qid displace when tracing ioctl command (Keith Busch)
     - don't use BLK_MQ_REQ_NOWAIT for passthru (Chaitanya Kulkarni)
     - fix MTDT for passthru (Logan Gunthorpe)
     - blacklist Write Same on more devices (Kai-Heng Feng)
     - fix an uninitialized work struct (zhenwei pi)"

 - lightnvm out-of-bounds fix (Colin)

 - SG allocation leak fix (Doug)

 - rnbd fixes (Gioh, Guoqing, Jack)

 - zone error translation fixes (Keith)

 - kerneldoc markup fix (Mauro)

 - zram lockdep fix (Peter)

 - Kill unused io_context members (Yufen)

 - NUMA memory allocation cleanup (Xianting)

 - NBD config wakeup fix (Xiubo)

* tag 'block-5.10-2020-10-24' of git://git.kernel.dk/linux-block: (27 commits)
  block: blk-mq: fix a kernel-doc markup
  nvme-fc: shorten reconnect delay if possible for FC
  nvme-fc: wait for queues to freeze before calling update_hr_hw_queues
  nvme-fc: fix error loop in create_hw_io_queues
  nvme-fc: fix io timeout to abort I/O
  null_blk: use zone status for max active/open
  nvmet: don't use BLK_MQ_REQ_NOWAIT for passthru
  nvmet: cleanup nvmet_passthru_map_sg()
  nvmet: limit passthru MTDS by BIO_MAX_PAGES
  nvmet: fix uninitialized work for zero kato
  nvme-pci: disable Write Zeroes on Sandisk Skyhawk
  nvme: use queuedata for nvme_req_qid
  nvme-rdma: fix crash due to incorrect cqe
  nvme-rdma: fix crash when connect rejected
  block: remove unused members for io_context
  blk-mq: remove the calling of local_memory_node()
  zram: Fix __zram_bvec_{read,write}() locking order
  skd_main: remove unused including <linux/version.h>
  sgl_alloc_order: fix memory leak
  lightnvm: fix out-of-bounds write to array devices->info[]
  ...
2020-10-24 12:46:42 -07:00
Linus Torvalds 1b307ac870 dma-mapping fixes for 5.10:
- document the new document dma_{alloc,free}_pages API
  - two fixups for the dma-mapping.h split
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Merge tag 'dma-mapping-5.10-1' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping fixes from Christoph Hellwig:

 - document the new dma_{alloc,free}_pages() API

 - two fixups for the dma-mapping.h split

* tag 'dma-mapping-5.10-1' of git://git.infradead.org/users/hch/dma-mapping:
  dma-mapping: document dma_{alloc,free}_pages
  dma-mapping: move more functions to dma-map-ops.h
  ARM/sa1111: add a missing include of dma-map-ops.h
2020-10-24 12:17:05 -07:00
Linus Torvalds e533cda12d ARM: Devicetree updates
As usual, most of the changes are to devicetrees. Besides smaller fixes,
 some refactorings and cleanups, some of the new platforms and chips
 (or significant features) supported are below:
 
 Broadcom boards:
  - Cisco Meraki MR32 (BCM53016-based)
  - BCM2711 (RPi4) display pipeline support
 
 Actions Semi boards:
  - Caninos Loucos Labrador SBC (S500-based)
  - RoseapplePi SBC (S500-based)
 
 Allwinner SoCs/boards:
  - A100 SoC with Perf1 board
  - Mali, DMA, Cetrus and IR support for R40 SoC
 
 Amlogic boards:
  - Libretch S905x CC V2 board
  - Hardkernel ODROID-N2+ board
 
 Aspeed boards/platforms:
  - Wistron Mowgli (AST2500-based, Power9 OpenPower server)
  - Facebook Wedge400 (AST2500-based, ToR switch)
 
 Hisilicon SoC:
  - SD5203 SoC
 
 Nvidia boards:
  - Tegra234 VDK, for pre-silicon Orin SoC
 
 NXP i.MX boards:
  - Librem 5 phone
  - i.MX8MM DDR4 EVK
  - Variscite VAR-SOM-MX8MN SoM
  - Symphony board
  - Tolino Shine 2 HD
  - TQMa6 SoM
  - Y Soft IOTA Orion
 
 Rockchip boards:
  - NanoPi R2S board
  - A95X-Z2 board
  - more Rock-Pi4 variants
 
 STM32 boards:
  - Odyssey SOM board (STM32MP157CAC-based)
  - DH DRC02 board
 
 Toshiba SoCs/boards:
  - Visconti SoC and TPMV7708 board
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM Devicetree updates from Olof Johansson:
 "As usual, most of the changes are to devicetrees.

  Besides smaller fixes, some refactorings and cleanups, some of the new
  platforms and chips (or significant features) supported are below:

  Broadcom boards:
   - Cisco Meraki MR32 (BCM53016-based)
   - BCM2711 (RPi4) display pipeline support

  Actions Semi boards:
   - Caninos Loucos Labrador SBC (S500-based)
   - RoseapplePi SBC (S500-based)

  Allwinner SoCs/boards:
   - A100 SoC with Perf1 board
   - Mali, DMA, Cetrus and IR support for R40 SoC

  Amlogic boards:
   - Libretch S905x CC V2 board
   - Hardkernel ODROID-N2+ board

  Aspeed boards/platforms:
   - Wistron Mowgli (AST2500-based, Power9 OpenPower server)
   - Facebook Wedge400 (AST2500-based, ToR switch)

  Hisilicon SoC:
   - SD5203 SoC

  Nvidia boards:
   - Tegra234 VDK, for pre-silicon Orin SoC

  NXP i.MX boards:
   - Librem 5 phone
   - i.MX8MM DDR4 EVK
   - Variscite VAR-SOM-MX8MN SoM
   - Symphony board
   - Tolino Shine 2 HD
   - TQMa6 SoM
   - Y Soft IOTA Orion

  Rockchip boards:
   - NanoPi R2S board
   - A95X-Z2 board
   - more Rock-Pi4 variants

  STM32 boards:
   - Odyssey SOM board (STM32MP157CAC-based)
   - DH DRC02 board

  Toshiba SoCs/boards:
   - Visconti SoC and TPMV7708 board"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (638 commits)
  ARM: dts: nspire: Fix SP804 users
  arm64: dts: lg: Fix SP804 users
  arm64: dts: lg: Fix SP805 clocks
  ARM: mstar: Fix up the fallout from moving the dts/dtsi files
  ARM: mstar: Add mstar prefix to all of the dtsi/dts files
  ARM: mstar: Add interrupt to pm_uart
  ARM: mstar: Add interrupt controller to base dtsi
  ARM: dts: meson8: remove two invalid interrupt lines from the GPU node
  arm64: dts: ti: k3-j7200-common-proc-board: Add USB support
  arm64: dts: ti: k3-j7200-common-proc-board: Configure the SERDES lane function
  arm64: dts: ti: k3-j7200-main: Add USB controller
  arm64: dts: ti: k3-j7200-main.dtsi: Add USB to SERDES lane MUX
  arm64: dts: ti: k3-j7200-main: Add SERDES lane control mux
  dt-bindings: ti-serdes-mux: Add defines for J7200 SoC
  ARM: dts: hisilicon: add SD5203 dts
  ARM: dts: hisilicon: fix the system controller compatible nodes
  arm64: dts: zynqmp: Fix leds subnode name for zcu100/ultra96 v1
  arm64: dts: zynqmp: Remove undocumented u-boot properties
  arm64: dts: zynqmp: Remove additional compatible string for i2c IPs
  arm64: dts: zynqmp: Rename buses to be align with simple-bus yaml
  ...
2020-10-24 10:44:18 -07:00
Linus Torvalds 2e368dd2bb ARM: SoC-related driver updates
Various driver updates for platforms. A bulk of this is smaller fixes or
 cleanups, but some of the new material this time around is:
 
  - Support for Nvidia Tegra234 SoC
  - Ring accelerator support for TI AM65x
  - PRUSS driver for TI platforms
  - Renesas support for R-Car V3U SoC
  - Reset support for Cortex-M4 processor on i.MX8MQ
 
 There are also new socinfo entries for a handful of different SoCs
 and platforms.
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC-related driver updates from Olof Johansson:
 "Various driver updates for platforms. A bulk of this is smaller fixes
  or cleanups, but some of the new material this time around is:

   - Support for Nvidia Tegra234 SoC

   - Ring accelerator support for TI AM65x

   - PRUSS driver for TI platforms

   - Renesas support for R-Car V3U SoC

   - Reset support for Cortex-M4 processor on i.MX8MQ

  There are also new socinfo entries for a handful of different SoCs and
  platforms"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (131 commits)
  drm/mediatek: reduce clear event
  soc: mediatek: cmdq: add clear option in cmdq_pkt_wfe api
  soc: mediatek: cmdq: add jump function
  soc: mediatek: cmdq: add write_s_mask value function
  soc: mediatek: cmdq: add write_s value function
  soc: mediatek: cmdq: add read_s function
  soc: mediatek: cmdq: add write_s_mask function
  soc: mediatek: cmdq: add write_s function
  soc: mediatek: cmdq: add address shift in jump
  soc: mediatek: mtk-infracfg: Fix kerneldoc
  soc: amlogic: pm-domains: use always-on flag
  reset: sti: reset-syscfg: fix struct description warnings
  reset: imx7: add the cm4 reset for i.MX8MQ
  dt-bindings: reset: imx8mq: add m4 reset
  reset: Fix and extend kerneldoc
  reset: reset-zynqmp: Added support for Versal platform
  dt-bindings: reset: Updated binding for Versal reset driver
  reset: imx7: Support module build
  soc: fsl: qe: Remove unnessesary check in ucc_set_tdm_rxtx_clk
  soc: fsl: qman: convert to use be32_add_cpu()
  ...
2020-10-24 10:39:22 -07:00
Linus Torvalds e731f3146f ARM: SoC platform updates
SoC changes, a substantial part of this is cleanup of some of the older
 platforms that used to have a bunch of board files. In particular:
 
  - Removal of non-DT i.MX platforms that haven't seen activity in years,
    it's time to remove them.
  - A bunch of cleanup and removal of platform data for TI/OMAP platforms,
    moving over to genpd for power/reset control (yay!)
  - Major cleanup of Samsung S3C24xx and S3C64xx platforms, moving them
    closer to multiplatform support (not quite there yet, but getting
    close).
 
 THere are a few other changes too, smaller fixlets, etc. For new
 platform support, the primary ones re:
 
  - New SoC: Hisilicon SD5203, ARM926EJ-S platform.
  - Cpufreq support for i.MX7ULP
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC platform updates from Olof Johansson:
 "SoC changes, a substantial part of this is cleanup of some of the
  older platforms that used to have a bunch of board files.

  In particular:

   - Remove non-DT i.MX platforms that haven't seen activity in years,
     it's time to remove them.

   - A bunch of cleanup and removal of platform data for TI/OMAP
     platforms, moving over to genpd for power/reset control (yay!)

   - Major cleanup of Samsung S3C24xx and S3C64xx platforms, moving them
     closer to multiplatform support (not quite there yet, but getting
     close).

  There are a few other changes too, smaller fixlets, etc. For new
  platform support, the primary ones are:

   - New SoC: Hisilicon SD5203, ARM926EJ-S platform.

   - Cpufreq support for i.MX7ULP"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (121 commits)
  ARM: mstar: Select MStar intc
  ARM: stm32: Replace HTTP links with HTTPS ones
  ARM: debug: add UART early console support for SD5203
  ARM: hisi: add support for SD5203 SoC
  ARM: omap3: enable off mode automatically
  clk: imx: imx35: Remove mx35_clocks_init()
  clk: imx: imx31: Remove mx31_clocks_init()
  clk: imx: imx27: Remove mx27_clocks_init()
  ARM: imx: Remove unused definitions
  ARM: imx35: Retrieve the IIM base address from devicetree
  ARM: imx3: Retrieve the AVIC base address from devicetree
  ARM: imx3: Retrieve the CCM base address from devicetree
  ARM: imx31: Retrieve the IIM base address from devicetree
  ARM: imx27: Retrieve the CCM base address from devicetree
  ARM: imx27: Retrieve the SYSCTRL base address from devicetree
  ARM: s3c64xx: bring back notes from removed debug-macro.S
  ARM: s3c24xx: fix Wunused-variable warning on !MMU
  ARM: samsung: fix PM debug build with DEBUG_LL but !MMU
  MAINTAINERS: mark linux-samsung-soc list non-moderated
  ARM: imx: Remove remnant board file support pieces
  ...
2020-10-24 10:33:08 -07:00
Linus Torvalds c80e42a496 A handful of late-arriving documentation fixes.
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Merge tag 'docs-5.10-2' of git://git.lwn.net/linux

Pull documentation fixes from Jonathan Corbet:
 "A handful of late-arriving documentation fixes"

* tag 'docs-5.10-2' of git://git.lwn.net/linux:
  docs: Add two missing entries in vm sysctl index
  docs/vm: trivial fixes to several spelling mistakes
  docs: submitting-patches: describe preserving review/test tags
  Documentation: Chinese translation of Documentation/arm64/hugetlbpage.rst
  Documentation: x86: fix a missing word in x86_64/mm.rst.
  docs: driver-api: remove a duplicated index entry
  docs: lkdtm: Modernize and improve details
  docs: deprecated.rst: Expand str*cpy() replacement notes
  docs/cpu-load: format the example code.
2020-10-23 17:13:53 -07:00
Linus Torvalds bd7e8c996f 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 for ADC driven joysticks

 - a new Zintix touchscreen driver

 - enhancements to Intel SoC button array driver

 - support for F3A "function" in Synaptics RMI4 driver

 - assorted driver fixups

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (29 commits)
  Input: Add MAINTAINERS entry for SiS i2c touch input driver
  Input: evdev - per-client waitgroups
  Input: synaptics - enable InterTouch for ThinkPad T14 Gen 1
  Input: synaptics - enable InterTouch for ThinkPad P1/X1E gen 2
  Input: synaptics-rmi4 - support bootloader v8 in f34v7
  Input: synaptics-rmi4 - add support for F3A
  Input: synaptics-rmi4 - rename f30_data to gpio_data
  Input: add zinitix touchscreen driver
  dt-bindings: input/touchscreen: add bindings for zinitix
  Input: joystick - add ADC attached joystick driver.
  dt-bindings: input: Add docs for ADC driven joystick
  Input: sun4i-ps2 - fix handling of platform_get_irq() error
  Input: twl4030_keypad - fix handling of platform_get_irq() error
  Input: omap4-keypad - fix handling of platform_get_irq() error
  Input: ep93xx_keypad - fix handling of platform_get_irq() error
  Input: stmfts - fix a & vs && typo
  Input: imx6ul_tsc - unify open/close and PM paths
  Input: imx6ul_tsc - clean up some errors in imx6ul_tsc_resume()
  Input: elants_i2c - fix typo for an attribute to show calibration count
  Input: elants_i2c - report resolution of ABS_MT_TOUCH_MAJOR by FW information.
  ...
2020-10-23 16:16:31 -07:00
Linus Torvalds fc03b2d6a9 drm fixes (round two) for 5.10-rc1
fbcon/fonts:
 - Two patches to prevent OOB access
 
 ttm:
 - fix for evicition value range check
 
 amdgpu:
 - Sienna Cichlid fixes
 - MST manager resource leak fix
 - GPU reset fix
 
 amdkfd:
 - Luxmark fix for Navi1x
 
 i915:
 - Tweak initial DPCD backlight.enabled value (Sean)
 - Initialize reserved MOCS indices (Ayaz)
 - Mark initial fb obj as WT on eLLC machines to avoid rcu lockup (Ville)
 - Support parsing of oversize batches (Chris)
 - Delay execlists processing for TGL (Chris)
 - Use the active reference on the vma during error capture (Chris)
 - Widen CSB pointer (Chris)
 - Wait for CSB entries on TGL (Chris)
 - Fix unwind for scratch page allocation (Chris)
 - Exclude low patches of stolen memory (Chris)
 - Force VT'd workarounds when running as a guest OS (Chris)
 - Drop runtime-pm assert from vpgu io accessors (Chris)
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Merge tag 'drm-next-2020-10-23' of git://anongit.freedesktop.org/drm/drm

Pull more drm fixes from Dave Airlie:
 "This should be the last round of things for rc1, a bunch of i915
  fixes, some amdgpu, more font OOB fixes and one ttm fix just found
  reading code:

  fbcon/fonts:
   - Two patches to prevent OOB access

  ttm:
   - fix for evicition value range check

  amdgpu:
   - Sienna Cichlid fixes
   - MST manager resource leak fix
   - GPU reset fix

  amdkfd:
   - Luxmark fix for Navi1x

  i915:
   - Tweak initial DPCD backlight.enabled value (Sean)
   - Initialize reserved MOCS indices (Ayaz)
   - Mark initial fb obj as WT on eLLC machines to avoid rcu lockup (Ville)
   - Support parsing of oversize batches (Chris)
   - Delay execlists processing for TGL (Chris)
   - Use the active reference on the vma during error capture (Chris)
   - Widen CSB pointer (Chris)
   - Wait for CSB entries on TGL (Chris)
   - Fix unwind for scratch page allocation (Chris)
   - Exclude low patches of stolen memory (Chris)
   - Force VT'd workarounds when running as a guest OS (Chris)
   - Drop runtime-pm assert from vpgu io accessors (Chris)"

* tag 'drm-next-2020-10-23' of git://anongit.freedesktop.org/drm/drm: (31 commits)
  drm/amdgpu: correct the cu and rb info for sienna cichlid
  drm/amd/pm: remove the average clock value in sysfs
  drm/amd/pm: fix pp_dpm_fclk
  Revert drm/amdgpu: disable sienna chichlid UMC RAS
  drm/amd/pm: fix pcie information for sienna cichlid
  drm/amdkfd: Use same SQ prefetch setting as amdgpu
  drm/amd/swsmu: correct wrong feature bit mapping
  drm/amd/psp: Fix sysfs: cannot create duplicate filename
  drm/amd/display: Avoid MST manager resource leak.
  drm/amd/display: Revert "drm/amd/display: Fix a list corruption"
  drm/amdgpu: update golden setting for sienna_cichlid
  drm/amd/swsmu: add missing feature map for sienna_cichlid
  drm/amdgpu: correct the gpu reset handling for job != NULL case
  drm/amdgpu: add rlc iram and dram firmware support
  drm/amdgpu: add function to program pbb mode for sienna cichlid
  drm/i915: Drop runtime-pm assert from vgpu io accessors
  drm/i915: Force VT'd workarounds when running as a guest OS
  drm/i915: Exclude low pages (128KiB) of stolen from use
  drm/i915/gt: Onion unwind for scratch page allocation failure
  drm/ttm: fix eviction valuable range check.
  ...
2020-10-23 13:56:34 -07:00
Linus Torvalds 3cb12d27ff Fixes for 5.10-rc1 from the networking tree:
Cross-tree/merge window issues:
 
  - rtl8150: don't incorrectly assign random MAC addresses; fix late
    in the 5.9 cycle started depending on a return code from
    a function which changed with the 5.10 PR from the usb subsystem
 
 Current release - regressions:
 
  - Revert "virtio-net: ethtool configurable RXCSUM", it was causing
    crashes at probe when control vq was not negotiated/available
 
 Previous releases - regressions:
 
  - ixgbe: fix probing of multi-port 10 Gigabit Intel NICs with an MDIO
    bus, only first device would be probed correctly
 
  - nexthop: Fix performance regression in nexthop deletion by
    effectively switching from recently added synchronize_rcu()
    to synchronize_rcu_expedited()
 
  - netsec: ignore 'phy-mode' device property on ACPI systems;
    the property is not populated correctly by the firmware,
    but firmware configures the PHY so just keep boot settings
 
 Previous releases - always broken:
 
  - tcp: fix to update snd_wl1 in bulk receiver fast path, addressing
    bulk transfers getting "stuck"
 
  - icmp: randomize the global rate limiter to prevent attackers from
    getting useful signal
 
  - r8169: fix operation under forced interrupt threading, make the
    driver always use hard irqs, even on RT, given the handler is
    light and only wants to schedule napi (and do so through
    a _irqoff() variant, preferably)
 
  - bpf: Enforce pointer id generation for all may-be-null register
    type to avoid pointers erroneously getting marked as null-checked
 
  - tipc: re-configure queue limit for broadcast link
 
  - net/sched: act_tunnel_key: fix OOB write in case of IPv6 ERSPAN
    tunnels
 
  - fix various issues in chelsio inline tls driver
 
 Misc:
 
  - bpf: improve just-added bpf_redirect_neigh() helper api to support
    supplying nexthop by the caller - in case BPF program has already
    done a lookup we can avoid doing another one
 
  - remove unnecessary break statements
 
  - make MCTCP not select IPV6, but rather depend on it
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Cross-tree/merge window issues:

   - rtl8150: don't incorrectly assign random MAC addresses; fix late in
     the 5.9 cycle started depending on a return code from a function
     which changed with the 5.10 PR from the usb subsystem

  Current release regressions:

   - Revert "virtio-net: ethtool configurable RXCSUM", it was causing
     crashes at probe when control vq was not negotiated/available

  Previous release regressions:

   - ixgbe: fix probing of multi-port 10 Gigabit Intel NICs with an MDIO
     bus, only first device would be probed correctly

   - nexthop: Fix performance regression in nexthop deletion by
     effectively switching from recently added synchronize_rcu() to
     synchronize_rcu_expedited()

   - netsec: ignore 'phy-mode' device property on ACPI systems; the
     property is not populated correctly by the firmware, but firmware
     configures the PHY so just keep boot settings

  Previous releases - always broken:

   - tcp: fix to update snd_wl1 in bulk receiver fast path, addressing
     bulk transfers getting "stuck"

   - icmp: randomize the global rate limiter to prevent attackers from
     getting useful signal

   - r8169: fix operation under forced interrupt threading, make the
     driver always use hard irqs, even on RT, given the handler is light
     and only wants to schedule napi (and do so through a _irqoff()
     variant, preferably)

   - bpf: Enforce pointer id generation for all may-be-null register
     type to avoid pointers erroneously getting marked as null-checked

   - tipc: re-configure queue limit for broadcast link

   - net/sched: act_tunnel_key: fix OOB write in case of IPv6 ERSPAN
     tunnels

   - fix various issues in chelsio inline tls driver

  Misc:

   - bpf: improve just-added bpf_redirect_neigh() helper api to support
     supplying nexthop by the caller - in case BPF program has already
     done a lookup we can avoid doing another one

   - remove unnecessary break statements

   - make MCTCP not select IPV6, but rather depend on it"

* tag 'net-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (62 commits)
  tcp: fix to update snd_wl1 in bulk receiver fast path
  net: Properly typecast int values to set sk_max_pacing_rate
  netfilter: nf_fwd_netdev: clear timestamp in forwarding path
  ibmvnic: save changed mac address to adapter->mac_addr
  selftests: mptcp: depends on built-in IPv6
  Revert "virtio-net: ethtool configurable RXCSUM"
  rtnetlink: fix data overflow in rtnl_calcit()
  net: ethernet: mtk-star-emac: select REGMAP_MMIO
  net: hdlc_raw_eth: Clear the IFF_TX_SKB_SHARING flag after calling ether_setup
  net: hdlc: In hdlc_rcv, check to make sure dev is an HDLC device
  bpf, libbpf: Guard bpf inline asm from bpf_tail_call_static
  bpf, selftests: Extend test_tc_redirect to use modified bpf_redirect_neigh()
  bpf: Fix bpf_redirect_neigh helper api to support supplying nexthop
  mptcp: depends on IPV6 but not as a module
  sfc: move initialisation of efx->filter_sem to efx_init_struct()
  mpls: load mpls_gso after mpls_iptunnel
  net/sched: act_tunnel_key: fix OOB write in case of IPv6 ERSPAN tunnels
  net/sched: act_gate: Unlock ->tcfa_lock in tc_setup_flow_action()
  net: dsa: bcm_sf2: make const array static, makes object smaller
  mptcp: MPTCP_IPV6 should depend on IPV6 instead of selecting it
  ...
2020-10-23 12:05:49 -07:00
Linus Torvalds f9a705ad1c ARM:
- New page table code for both hypervisor and guest stage-2
 - Introduction of a new EL2-private host context
 - Allow EL2 to have its own private per-CPU variables
 - Support of PMU event filtering
 - Complete rework of the Spectre mitigation
 
 PPC:
 - Fix for running nested guests with in-kernel IRQ chip
 - Fix race condition causing occasional host hard lockup
 - Minor cleanups and bugfixes
 
 x86:
 - allow trapping unknown MSRs to userspace
 - allow userspace to force #GP on specific MSRs
 - INVPCID support on AMD
 - nested AMD cleanup, on demand allocation of nested SVM state
 - hide PV MSRs and hypercalls for features not enabled in CPUID
 - new test for MSR_IA32_TSC writes from host and guest
 - cleanups: MMU, CPUID, shared MSRs
 - LAPIC latency optimizations ad bugfixes
 
 For x86, also included in this pull request is a new alternative and
 (in the future) more scalable implementation of extended page tables
 that does not need a reverse map from guest physical addresses to
 host physical addresses.  For now it is disabled by default because
 it is still lacking a few of the existing MMU's bells and whistles.
 However it is a very solid piece of work and it is already available
 for people to hammer on it.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM updates from Paolo Bonzini:
 "For x86, there is a new alternative and (in the future) more scalable
  implementation of extended page tables that does not need a reverse
  map from guest physical addresses to host physical addresses.

  For now it is disabled by default because it is still lacking a few of
  the existing MMU's bells and whistles. However it is a very solid
  piece of work and it is already available for people to hammer on it.

  Other updates:

  ARM:
   - New page table code for both hypervisor and guest stage-2
   - Introduction of a new EL2-private host context
   - Allow EL2 to have its own private per-CPU variables
   - Support of PMU event filtering
   - Complete rework of the Spectre mitigation

  PPC:
   - Fix for running nested guests with in-kernel IRQ chip
   - Fix race condition causing occasional host hard lockup
   - Minor cleanups and bugfixes

  x86:
   - allow trapping unknown MSRs to userspace
   - allow userspace to force #GP on specific MSRs
   - INVPCID support on AMD
   - nested AMD cleanup, on demand allocation of nested SVM state
   - hide PV MSRs and hypercalls for features not enabled in CPUID
   - new test for MSR_IA32_TSC writes from host and guest
   - cleanups: MMU, CPUID, shared MSRs
   - LAPIC latency optimizations ad bugfixes"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (232 commits)
  kvm: x86/mmu: NX largepage recovery for TDP MMU
  kvm: x86/mmu: Don't clear write flooding count for direct roots
  kvm: x86/mmu: Support MMIO in the TDP MMU
  kvm: x86/mmu: Support write protection for nesting in tdp MMU
  kvm: x86/mmu: Support disabling dirty logging for the tdp MMU
  kvm: x86/mmu: Support dirty logging for the TDP MMU
  kvm: x86/mmu: Support changed pte notifier in tdp MMU
  kvm: x86/mmu: Add access tracking for tdp_mmu
  kvm: x86/mmu: Support invalidate range MMU notifier for TDP MMU
  kvm: x86/mmu: Allocate struct kvm_mmu_pages for all pages in TDP MMU
  kvm: x86/mmu: Add TDP MMU PF handler
  kvm: x86/mmu: Remove disallowed_hugepage_adjust shadow_walk_iterator arg
  kvm: x86/mmu: Support zapping SPTEs in the TDP MMU
  KVM: Cache as_id in kvm_memory_slot
  kvm: x86/mmu: Add functions to handle changed TDP SPTEs
  kvm: x86/mmu: Allocate and free TDP MMU roots
  kvm: x86/mmu: Init / Uninit the TDP MMU
  kvm: x86/mmu: Introduce tdp_iter
  KVM: mmu: extract spte.h and spte.c
  KVM: mmu: Separate updating a PTE from kvm_set_pte_rmapp
  ...
2020-10-23 11:17:56 -07:00
Juergen Gross 1a89c1dc95 Documentation: add xen.fifo_events kernel parameter description
The kernel boot parameter xen.fifo_events isn't listed in
Documentation/admin-guide/kernel-parameters.txt. Add it.

Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Link: https://lore.kernel.org/r/20201022094907.28560-6-jgross@suse.com
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
2020-10-23 05:41:25 -05:00
Christoph Hellwig 6857a5ebaa dma-mapping: document dma_{alloc,free}_pages
Document the new dma_alloc_pages and dma_free_pages APIs, and fix
up the documentation for dma_alloc_noncoherent and dma_free_noncoherent.

Reported-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
2020-10-23 12:07:46 +02:00
Fam Zheng 62af696471 docs: Add two missing entries in vm sysctl index
Both seem overlooked while adding the section in the main content.

Signed-off-by: Fam Zheng <famzheng@amazon.com>
Link: https://lore.kernel.org/r/20201022065403.3936070-1-fam@euphon.net
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-10-22 16:11:46 -06:00
Colin Ian King 94ebdd28fc docs/vm: trivial fixes to several spelling mistakes
Fix several spelling mistakes in vm documentation.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20201022142653.254429-1-colin.king@canonical.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-10-22 16:11:04 -06:00
Linus Torvalds 746b25b1aa Kbuild updates for v5.10
- Support 'make compile_commands.json' to generate the compilation
    database more easily, avoiding stale entries
 
  - Support 'make clang-analyzer' and 'make clang-tidy' for static checks
    using clang-tidy
 
  - Preprocess scripts/modules.lds.S to allow CONFIG options in the module
    linker script
 
  - Drop cc-option tests from compiler flags supported by our minimal
    GCC/Clang versions
 
  - Use always 12-digits commit hash for CONFIG_LOCALVERSION_AUTO=y
 
  - Use sha1 build id for both BFD linker and LLD
 
  - Improve deb-pkg for reproducible builds and rootless builds
 
  - Remove stale, useless scripts/namespace.pl
 
  - Turn -Wreturn-type warning into error
 
  - Fix build error of deb-pkg when CONFIG_MODULES=n
 
  - Replace 'hostname' command with more portable 'uname -n'
 
  - Various Makefile cleanups
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Merge tag 'kbuild-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild updates from Masahiro Yamada:

 - Support 'make compile_commands.json' to generate the compilation
   database more easily, avoiding stale entries

 - Support 'make clang-analyzer' and 'make clang-tidy' for static checks
   using clang-tidy

 - Preprocess scripts/modules.lds.S to allow CONFIG options in the
   module linker script

 - Drop cc-option tests from compiler flags supported by our minimal
   GCC/Clang versions

 - Use always 12-digits commit hash for CONFIG_LOCALVERSION_AUTO=y

 - Use sha1 build id for both BFD linker and LLD

 - Improve deb-pkg for reproducible builds and rootless builds

 - Remove stale, useless scripts/namespace.pl

 - Turn -Wreturn-type warning into error

 - Fix build error of deb-pkg when CONFIG_MODULES=n

 - Replace 'hostname' command with more portable 'uname -n'

 - Various Makefile cleanups

* tag 'kbuild-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (34 commits)
  kbuild: Use uname for LINUX_COMPILE_HOST detection
  kbuild: Only add -fno-var-tracking-assignments for old GCC versions
  kbuild: remove leftover comment for filechk utility
  treewide: remove DISABLE_LTO
  kbuild: deb-pkg: clean up package name variables
  kbuild: deb-pkg: do not build linux-headers package if CONFIG_MODULES=n
  kbuild: enforce -Werror=return-type
  scripts: remove namespace.pl
  builddeb: Add support for all required debian/rules targets
  builddeb: Enable rootless builds
  builddeb: Pass -n to gzip for reproducible packages
  kbuild: split the build log of kallsyms
  kbuild: explicitly specify the build id style
  scripts/setlocalversion: make git describe output more reliable
  kbuild: remove cc-option test of -Werror=date-time
  kbuild: remove cc-option test of -fno-stack-check
  kbuild: remove cc-option test of -fno-strict-overflow
  kbuild: move CFLAGS_{KASAN,UBSAN,KCSAN} exports to relevant Makefiles
  kbuild: remove redundant CONFIG_KASAN check from scripts/Makefile.kasan
  kbuild: do not create built-in objects for external module builds
  ...
2020-10-22 13:13:57 -07:00
Linus Torvalds 1553d96854 remoteproc updates for v5.10
This introduces support for the Mediatek MT9182 SCP and controlling the
 Cortex R5F processors found in TI K3 platforms. It clones the
 longstanding debugfs interface for controlling crash handling to sysfs.
 Lastly it solves a bug where after a warm reset of Qualcomm platforms
 the modem would crash upon first boot.
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Merge tag 'rproc-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc

Pull remoteproc updates from Bjorn Andersson:
 "This introduces support for the Mediatek MT9182 SCP and controlling
  the Cortex R5F processors found in TI K3 platforms. It clones the
  longstanding debugfs interface for controlling crash handling to
  sysfs. Lastly it solves a bug where after a warm reset of Qualcomm
  platforms the modem would crash upon first boot"

* tag 'rproc-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc:
  remoteproc/mediatek: Remove non-standard dsb()
  remoteproc: Add recovery configuration to the sysfs interface
  remoteproc: Add coredump as part of sysfs interface
  remoteproc: Change default dump configuration to "disabled"
  remoteproc: k3-r5: Add loading support for on-chip SRAM regions
  remoteproc: k3-r5: Initialize TCM memories for ECC
  remoteproc: k3-r5: Add a remoteproc driver for R5F subsystem
  dt-bindings: remoteproc: Add bindings for R5F subsystem on TI K3 SoCs
  remoteproc/mediatek: Add support for mt8192 SCP
  remoteproc: Fixup coredump debugfs disable request
  remoteproc: qcom_q6v5: Assign mpss region to Q6 before MBA boot
  remoteproc/mediatek: fix null pointer dereference on null scp pointer
  remoteproc: stm32: Fix pointer assignement
  remoteproc: scp: add COMPILE_TEST dependency
2020-10-22 12:56:33 -07:00
Linus Torvalds 3fec0eaaf0 This pull request contains zero diff to the core framework. It is a collection
of various clk driver updates. The biggest driver updates in terms of lines of
 code is the Allwinner driver, closely followed by the Qualcomm and Mediatek
 drivers. All of those hit high because we add so many lines of clk data. Coming
 in fourth place is i.MX which also adds a bunch of clk data. This accounts for
 the new driver additions this time around.
 
 Otherwise the patches are lots of little cleanups and fixes for various clk
 drivers that have baked in linux-next for a while. I suppose one highlight or
 theme is that more clk drivers are being updated to work as modules, which is
 interesting to see such critical SoC infrastructure work as a loadable module.
 
 New Drivers:
  - Support qcom SM8150/SM8250 video and display clks
  - Support Mediatek MT8167 clks
  - Add clock for CRC block found on vf610 SoCs
  - Add support for the Renesas R-Car V3U (R8A779A0) SoC
  - Add support for the VSP for Resizing clock on Renesas RZ/G1H
  - Support Allwinner A100 SoC clks
 
 Removed Drivers:
  - Remove i.MX21 clock driver, as i.MX21 platform support is being dropped
 
 Updates:
  - Change how qcom's display port clks work
  - Small non-critical fixes for TI clk driver
  - Remove various unused variables in clk drivers
  - Allow Rockchip clk driver to be a module
  - Remove most __clk_lookup() calls in Samsung drivers (yay!)
  - Support building i.MX ARMv8 platforms clock driver as module
  - Some kerneldoc fixes here and there
  - A couple of minor i.MX clk data corrections
  - Update audio clock inverter and fdiv2 flag on Amlogic g12
  - Make amlogic clk drivers configurable in Kconfig
  - Fix Renesas VSP clock names to match corrected hardware documentation
  - Sigma-delta modulation on Allwinner R40
  - Various fixes for at91 clk driver
  - Use semicolons instead of commas in some places
  - Mark some variables const so they can move to RO memory
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "This contains no changes to the core framework. It is a collection of
  various clk driver updates.

  The biggest driver updates in terms of lines of code is the Allwinner
  driver, closely followed by the Qualcomm and Mediatek drivers. All of
  those hit high because we add so many lines of clk data. Coming in
  fourth place is i.MX which also adds a bunch of clk data. This
  accounts for the new driver additions this time around.

  Otherwise the patches are lots of little cleanups and fixes for
  various clk drivers that have baked in linux-next for a while. I
  suppose one highlight or theme is that more clk drivers are being
  updated to work as modules, which is interesting to see such critical
  SoC infrastructure work as a loadable module.

  New Drivers:
   - Support qcom SM8150/SM8250 video and display clks
   - Support Mediatek MT8167 clks
   - Add clock for CRC block found on vf610 SoCs
   - Add support for the Renesas R-Car V3U (R8A779A0) SoC
   - Add support for the VSP for Resizing clock on Renesas RZ/G1H
   - Support Allwinner A100 SoC clks

  Removed Drivers:
   - Remove i.MX21 clock driver, as i.MX21 platform support is being
     dropped

  Updates:
   - Change how qcom's display port clks work
   - Small non-critical fixes for TI clk driver
   - Remove various unused variables in clk drivers
   - Allow Rockchip clk driver to be a module
   - Remove most __clk_lookup() calls in Samsung drivers (yay!)
   - Support building i.MX ARMv8 platforms clock driver as module
   - Some kerneldoc fixes here and there
   - A couple of minor i.MX clk data corrections
   - Update audio clock inverter and fdiv2 flag on Amlogic g12
   - Make amlogic clk drivers configurable in Kconfig
   - Fix Renesas VSP clock names to match corrected hardware
     documentation
   - Sigma-delta modulation on Allwinner R40
   - Various fixes for at91 clk driver
   - Use semicolons instead of commas in some places
   - Mark some variables const so they can move to RO memory"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (102 commits)
  clk: imx8mq: Fix usdhc parents order
  clk: qcom: gdsc: Keep RETAIN_FF bit set if gdsc is already on
  clk: Restrict CLK_HSDK to ARC_SOC_HSDK
  clk: at91: sam9x60: support only two programmable clocks
  clk: ingenic: Respect CLK_SET_RATE_PARENT in .round_rate
  clk: ingenic: Don't tag custom clocks with CLK_SET_RATE_PARENT
  clk: ingenic: Don't use CLK_SET_RATE_GATE for PLL
  clk: ingenic: Use readl_poll_timeout instead of custom loop
  clk: ingenic: Use to_clk_info() macro for all clocks
  clk: bcm2835: add missing release if devm_clk_hw_register fails
  clk: at91: clk-sam9x60-pll: remove unused variable
  clk: at91: clk-main: update key before writing AT91_CKGR_MOR
  clk: at91: remove the checking of parent_name
  clk: clk-prima2: fix return value check in prima2_clk_init()
  clk: mmp2: Fix the display clock divider base
  clk: pxa: Constify static struct clk_ops
  clk: baikal-t1: Mark Ethernet PLL as critical
  clk: qoriq: modify MAX_PLL_DIV to 32
  clk: axi-clkgen: Set power bits for fractional mode
  clk: axi-clkgen: Add support for fractional dividers
  ...
2020-10-22 12:53:28 -07:00
Linus Torvalds ceae608a54 pwm: Changes for v5.10-rc1
This release cycle's updates are mostly cleanup and some minor fixes.
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Merge tag 'pwm/for-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm

Pull pwm updates from Thierry Reding:
 "This release cycle's updates are mostly cleanup and some minor fixes"

* tag 'pwm/for-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
  dt-bindings: pwm: renesas,pwm-rcar: Add r8a7742 support
  dt-bindings: pwm: renesas,tpu-pwm: Document r8a7742 support
  pwm: Allow store 64-bit duty cycle from sysfs interface
  pwm: img: Fix null pointer access in probe
  pwm: pca9685: Disable unused alternative addresses
  pwm: pca9685: Use BIT() macro instead of shift
  pwm: pca9685: Make comments more consistent
  pwm: sun4i: Simplify with dev_err_probe()
  pwm: sprd: Simplify with dev_err_probe()
  pwm: sifive: Simplify with dev_err_probe()
  pwm: rockchip: Simplify with dev_err_probe()
  pwm: jz4740: Simplify with dev_err_probe()
  pwm: bcm2835: Simplify with dev_err_probe()
  pwm: Convert to use DEFINE_SEQ_ATTRIBUTE macro
  pwm: rockchip: Keep enabled PWMs running while probing
  dt-bindings: pwm: renesas,pwm-rcar: Add r8a774e1 support
2020-10-22 12:51:32 -07:00
Linus Torvalds 00937f36b0 pci-v5.10-changes
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Merge tag 'pci-v5.10-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:
 "Enumeration:
   - Print IRQ number used by PCIe Link Bandwidth Notification (Dongdong
     Liu)
   - Add schedule point in pci_read_config() to reduce max latency
     (Jiang Biao)
   - Add Kconfig options for MPS/MRRS strategy (Jim Quinlan)

  Resource management:
   - Fix pci_iounmap() memory leak when !CONFIG_GENERIC_IOMAP (Lorenzo
     Pieralisi)

  PCIe native device hotplug:
   - Reduce noisiness on hot removal (Lukas Wunner)

  Power management:
   - Revert "PCI/PM: Apply D2 delay as milliseconds, not microseconds"
     that was done on the basis of spec typo (Bjorn Helgaas)
   - Rename pci_dev.d3_delay to d3hot_delay to remove D3hot/D3cold
     ambiguity (Krzysztof Wilczyński)
   - Remove unused pcibios_pm_ops (Vaibhav Gupta)

  IOMMU:
   - Enable Translation Blocking for external devices to harden against
     DMA attacks (Rajat Jain)

  Error handling:
   - Add an ACPI APEI notifier chain for vendor CPER records to enable
     device-specific error handling (Shiju Jose)

  ASPM:
   - Remove struct aspm_register_info to simplify code (Saheed O.
     Bolarinwa)

  Amlogic Meson PCIe controller driver:
   - Build as module by default (Kevin Hilman)

  Ampere Altra PCIe controller driver:
   - Add MCFG quirk to work around non-standard ECAM implementation
     (Tuan Phan)

  Broadcom iProc PCIe controller driver:
   - Set affinity mask on MSI interrupts (Mark Tomlinson)

  Broadcom STB PCIe controller driver:
   - Make PCIE_BRCMSTB depend on ARCH_BRCMSTB (Jim Quinlan)
   - Add DT bindings for more Brcmstb chips (Jim Quinlan)
   - Add bcm7278 register info (Jim Quinlan)
   - Add bcm7278 PERST# support (Jim Quinlan)
   - Add suspend and resume pm_ops (Jim Quinlan)
   - Add control of rescal reset (Jim Quinlan)
   - Set additional internal memory DMA viewport sizes (Jim Quinlan)
   - Accommodate MSI for older chips (Jim Quinlan)
   - Set bus max burst size by chip type (Jim Quinlan)
   - Add support for bcm7211, bcm7216, bcm7445, bcm7278 (Jim Quinlan)

  Freescale i.MX6 PCIe controller driver:
   - Use dev_err_probe() to reduce redundant messages (Anson Huang)

  Freescale Layerscape PCIe controller driver:
   - Enforce 4K DMA buffer alignment in endpoint test (Hou Zhiqiang)
   - Add DT compatible strings for ls1088a, ls2088a (Xiaowei Bao)
   - Add endpoint support for ls1088a, ls2088a (Xiaowei Bao)
   - Add endpoint test support for lS1088a (Xiaowei Bao)
   - Add MSI-X support for ls1088a (Xiaowei Bao)

  HiSilicon HIP PCIe controller driver:
   - Handle HIP-specific errors via ACPI APEI (Yicong Yang)

  HiSilicon Kirin PCIe controller driver:
   - Return -EPROBE_DEFER if the GPIO isn't ready (Bean Huo)

  Intel VMD host bridge driver:
   - Factor out physical offset, bus offset, IRQ domain, IRQ allocation
     (Jon Derrick)
   - Use generic PCI PM correctly (Jon Derrick)

  Marvell Aardvark PCIe controller driver:
   - Fix compilation on s390 (Pali Rohár)
   - Implement driver 'remove' function and allow to build it as module
     (Pali Rohár)
   - Move PCIe reset card code to advk_pcie_train_link() (Pali Rohár)
   - Convert mvebu a3700 internal SMCC firmware return codes to errno
     (Pali Rohár)
   - Fix initialization with old Marvell's Arm Trusted Firmware (Pali
     Rohár)

  Microsoft Hyper-V host bridge driver:
   - Fix hibernation in case interrupts are not re-created (Dexuan Cui)

  NVIDIA Tegra PCIe controller driver:
   - Stop checking return value of debugfs_create() functions (Greg
     Kroah-Hartman)
   - Convert to use DEFINE_SEQ_ATTRIBUTE macro (Liu Shixin)

  Qualcomm PCIe controller driver:
   - Reset PCIe to work around Qsdk U-Boot issue (Ansuel Smith)

  Renesas R-Car PCIe controller driver:
   - Add DT documentation for r8a774a1, r8a774b1, r8a774e1 endpoints
     (Lad Prabhakar)
   - Add RZ/G2M, RZ/G2N, RZ/G2H IDs to endpoint test (Lad Prabhakar)
   - Add DT support for r8a7742 (Lad Prabhakar)

  Socionext UniPhier Pro5 controller driver:
   - Add DT descriptions of iATU register (host and endpoint) (Kunihiko
     Hayashi)

  Synopsys DesignWare PCIe controller driver:
   - Add link up check in dw_child_pcie_ops.map_bus() (racy, but seems
     unavoidable) (Hou Zhiqiang)
   - Fix endpoint Header Type check so multi-function devices work (Hou
     Zhiqiang)
   - Skip PCIE_MSI_INTR0* programming if MSI is disabled (Jisheng Zhang)
   - Stop leaking MSI page in suspend/resume (Jisheng Zhang)
   - Add common iATU register support instead of keystone-specific code
     (Kunihiko Hayashi)
   - Major config space access and other cleanups in dwc core and
     drivers that use it (al, exynos, histb, imx6, intel-gw, keystone,
     kirin, meson, qcom, tegra) (Rob Herring)
   - Add multiple PFs support for endpoint (Xiaowei Bao)
   - Add MSI-X doorbell mode in endpoint mode (Xiaowei Bao)

  Miscellaneous:
   - Use fallthrough pseudo-keyword (Gustavo A. R. Silva)
   - Fix "0 used as NULL pointer" warnings (Gustavo Pimentel)
   - Fix "cast truncates bits from constant value" warnings (Gustavo
     Pimentel)
   - Remove redundant zeroing for sg_init_table() (Julia Lawall)
   - Use scnprintf(), not snprintf(), in sysfs "show" functions
     (Krzysztof Wilczyński)
   - Remove unused assignments (Krzysztof Wilczyński)
   - Fix "0 used as NULL pointer" warning (Krzysztof Wilczyński)
   - Simplify bool comparisons (Krzysztof Wilczyński)
   - Use for_each_child_of_node() and for_each_node_by_name() (Qinglang
     Miao)
   - Simplify return expressions (Qinglang Miao)"

* tag 'pci-v5.10-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (147 commits)
  PCI: vmd: Update VMD PM to correctly use generic PCI PM
  PCI: vmd: Create IRQ allocation helper
  PCI: vmd: Create IRQ Domain configuration helper
  PCI: vmd: Create bus offset configuration helper
  PCI: vmd: Create physical offset helper
  PCI: v3-semi: Remove unneeded break
  PCI: dwc: Add link up check in dw_child_pcie_ops.map_bus()
  PCI/ASPM: Remove struct pcie_link_state.l1ss
  PCI/ASPM: Remove struct aspm_register_info.l1ss_cap
  PCI/ASPM: Pass L1SS Capabilities value, not struct aspm_register_info
  PCI/ASPM: Remove struct aspm_register_info.l1ss_ctl1
  PCI/ASPM: Remove struct aspm_register_info.l1ss_ctl2 (unused)
  PCI/ASPM: Remove struct aspm_register_info.l1ss_cap_ptr
  PCI/ASPM: Remove struct aspm_register_info.latency_encoding
  PCI/ASPM: Remove struct aspm_register_info.enabled
  PCI/ASPM: Remove struct aspm_register_info.support
  PCI/ASPM: Use 'parent' and 'child' for readability
  PCI/ASPM: Move LTR path check to where it's used
  PCI/ASPM: Move pci_clear_and_set_dword() earlier
  PCI: dwc: Fix MSI page leakage in suspend/resume
  ...
2020-10-22 12:41:00 -07:00
Jakub Kicinski 594850ca43 Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf
Pablo Neira Ayuso says:

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

1) Update debugging in IPVS tcp protocol handler to make it easier
   to understand, from longguang.yue

2) Update TCP tracker to deal with keepalive packet after
   re-registration, from Franceso Ruggeri.

3) Missing IP6SKB_FRAGMENTED from netfilter fragment reassembly,
   from Georg Kohmann.

4) Fix bogus packet drop in ebtables nat extensions, from
   Thimothee Cocault.

5) Fix typo in flowtable documentation.

6) Reset skb timestamp in nft_fwd_netdev.
====================

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-22 12:00:37 -07:00
Linus Torvalds 96485e4462 The siginificant new ext4 feature this time around is Harshad's new
fast_commit mode.  In addition, thanks to Mauricio for fixing a race
 where mmap'ed pages that are being changed in parallel with a
 data=journal transaction commit could result in bad checksums in the
 failure that could cause journal replays to fail.  Also notable is
 Ritesh's buffered write optimization which can result in significant
 improvements on parallel write workloads.  (The kernel test robot
 reported a 330.6% improvement on fio.write_iops on a 96 core system
 using DAX[1].)
 
 Besides that, we have the usual miscellaneous cleanups and bug fixes.
 
 [1] https://lore.kernel.org/r/20200925071217.GO28663@shao2-debian
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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 updates from Ted Ts'o:
 "The siginificant new ext4 feature this time around is Harshad's new
  fast_commit mode.

  In addition, thanks to Mauricio for fixing a race where mmap'ed pages
  that are being changed in parallel with a data=journal transaction
  commit could result in bad checksums in the failure that could cause
  journal replays to fail.

  Also notable is Ritesh's buffered write optimization which can result
  in significant improvements on parallel write workloads. (The kernel
  test robot reported a 330.6% improvement on fio.write_iops on a 96
  core system using DAX)

  Besides that, we have the usual miscellaneous cleanups and bug fixes"

Link: https://lore.kernel.org/r/20200925071217.GO28663@shao2-debian

* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (46 commits)
  ext4: fix invalid inode checksum
  ext4: add fast commit stats in procfs
  ext4: add a mount opt to forcefully turn fast commits on
  ext4: fast commit recovery path
  jbd2: fast commit recovery path
  ext4: main fast-commit commit path
  jbd2: add fast commit machinery
  ext4 / jbd2: add fast commit initialization
  ext4: add fast_commit feature and handling for extended mount options
  doc: update ext4 and journalling docs to include fast commit feature
  ext4: Detect already used quota file early
  jbd2: avoid transaction reuse after reformatting
  ext4: use the normal helper to get the actual inode
  ext4: fix bs < ps issue reported with dioread_nolock mount opt
  ext4: data=journal: write-protect pages on j_submit_inode_data_buffers()
  ext4: data=journal: fixes for ext4_page_mkwrite()
  jbd2, ext4, ocfs2: introduce/use journal callbacks j_submit|finish_inode_data_buffers()
  jbd2: introduce/export functions jbd2_journal_submit|finish_inode_data_buffers()
  ext4: introduce ext4_sb_bread_unmovable() to replace sb_bread_unmovable()
  ext4: use ext4_sb_bread() instead of sb_bread()
  ...
2020-10-22 10:31:08 -07:00
Linus Torvalds 24717cfbbb The one new feature this time, from Anna Schumaker, is READ_PLUS, which
has the same arguments as READ but allows the server to return an array
 of data and hole extents.
 
 Otherwise it's a lot of cleanup and bugfixes.
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Merge tag 'nfsd-5.10' of git://linux-nfs.org/~bfields/linux

Pull nfsd updates from Bruce Fields:
 "The one new feature this time, from Anna Schumaker, is READ_PLUS,
  which has the same arguments as READ but allows the server to return
  an array of data and hole extents.

  Otherwise it's a lot of cleanup and bugfixes"

* tag 'nfsd-5.10' of git://linux-nfs.org/~bfields/linux: (43 commits)
  NFSv4.2: Fix NFS4ERR_STALE error when doing inter server copy
  SUNRPC: fix copying of multiple pages in gss_read_proxy_verf()
  sunrpc: raise kernel RPC channel buffer size
  svcrdma: fix bounce buffers for unaligned offsets and multiple pages
  nfsd: remove unneeded break
  net/sunrpc: Fix return value for sysctl sunrpc.transports
  NFSD: Encode a full READ_PLUS reply
  NFSD: Return both a hole and a data segment
  NFSD: Add READ_PLUS hole segment encoding
  NFSD: Add READ_PLUS data support
  NFSD: Hoist status code encoding into XDR encoder functions
  NFSD: Map nfserr_wrongsec outside of nfsd_dispatch
  NFSD: Remove the RETURN_STATUS() macro
  NFSD: Call NFSv2 encoders on error returns
  NFSD: Fix .pc_release method for NFSv2
  NFSD: Remove vestigial typedefs
  NFSD: Refactor nfsd_dispatch() error paths
  NFSD: Clean up nfsd_dispatch() variables
  NFSD: Clean up stale comments in nfsd_dispatch()
  NFSD: Clean up switch statement in nfsd_dispatch()
  ...
2020-10-22 09:44:27 -07:00
Harshad Shirwadkar f5b8b297b0 doc: update ext4 and journalling docs to include fast commit feature
This patch adds necessary documentation for fast commits.

Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Link: https://lore.kernel.org/r/20201015203802.3597742-2-harshadshirwadkar@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2020-10-21 23:19:43 -04:00
Oliver Upton 3ee6fb4949 Documentation: kvm: fix some typos in cpuid.rst
Reviewed-by: Jim Mattson <jmattson@google.com>
Reviewed-by: Peter Shier <pshier@google.com>
Signed-off-by: Oliver Upton <oupton@google.com>
Change-Id: I0c6355b09fedf8f9cc4cc5f51be418e2c1c82b7b
Message-Id: <20200818152429.1923996-5-oupton@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-10-21 17:36:32 -04:00
Oliver Upton 66570e966d kvm: x86: only provide PV features if enabled in guest's CPUID
KVM unconditionally provides PV features to the guest, regardless of the
configured CPUID. An unwitting guest that doesn't check
KVM_CPUID_FEATURES before use could access paravirt features that
userspace did not intend to provide. Fix this by checking the guest's
CPUID before performing any paravirtual operations.

Introduce a capability, KVM_CAP_ENFORCE_PV_FEATURE_CPUID, to gate the
aforementioned enforcement. Migrating a VM from a host w/o this patch to
a host with this patch could silently change the ABI exposed to the
guest, warranting that we default to the old behavior and opt-in for
the new one.

Reviewed-by: Jim Mattson <jmattson@google.com>
Reviewed-by: Peter Shier <pshier@google.com>
Signed-off-by: Oliver Upton <oupton@google.com>
Change-Id: I202a0926f65035b872bfe8ad15307c026de59a98
Message-Id: <20200818152429.1923996-4-oupton@google.com>
Reviewed-by: Wanpeng Li <wanpengli@tencent.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-10-21 17:36:32 -04:00
Li Qiang 10f79ccaf3 Documentation: kvm: fix a typo
Fixes: e287d6de62 ("Documentation: kvm: Convert cpuid.txt to .rst")
Signed-off-by: Li Qiang <liq3ea@163.com>
Message-Id: <20201001095333.7611-1-liq3ea@163.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-10-21 17:36:30 -04:00
Paolo Bonzini 043248b328 KVM: VMX: Forbid userspace MSR filters for x2APIC
Allowing userspace to intercept reads to x2APIC MSRs when APICV is
fully enabled for the guest simply can't work.   But more in general,
the LAPIC could be set to in-kernel after the MSR filter is setup
and allowing accesses by userspace would be very confusing.

We could in principle allow userspace to intercept reads and writes to TPR,
and writes to EOI and SELF_IPI, but while that could be made it work, it
would still be silly.

Cc: Alexander Graf <graf@amazon.com>
Cc: Aaron Lewis <aaronlewis@google.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-10-21 17:36:24 -04:00
Sean Christopherson 9389b9d5d3 KVM: VMX: Ignore userspace MSR filters for x2APIC
Rework the resetting of the MSR bitmap for x2APIC MSRs to ignore userspace
filtering.  Allowing userspace to intercept reads to x2APIC MSRs when
APICV is fully enabled for the guest simply can't work; the LAPIC and thus
virtual APIC is in-kernel and cannot be directly accessed by userspace.
To keep things simple we will in fact forbid intercepting x2APIC MSRs
altogether, independent of the default_allow setting.

Cc: Alexander Graf <graf@amazon.com>
Cc: Aaron Lewis <aaronlewis@google.com>
Cc: Peter Xu <peterx@redhat.com>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Message-Id: <20201005195532.8674-3-sean.j.christopherson@intel.com>
[Modified to operate even if APICv is disabled, adjust documentation. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-10-21 17:36:19 -04:00
Krzysztof Kozlowski 030f066f67 docs: submitting-patches: describe preserving review/test tags
From time to time, the novice kernel contributors do not add Reviewed-by
or Tested-by tags to the next versions of the patches.  Mostly because
they are unaware that responsibility of adding these tags in next
version is on submitter, not maintainer.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Link: https://lore.kernel.org/r/20201013162725.13572-1-krzk@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-10-21 15:16:15 -06:00
Bailu Lin e0533dee52 Documentation: Chinese translation of Documentation/arm64/hugetlbpage.rst
This is a Chinese translated version of
 Documentation/arm64/hugetlbpage.rst

Signed-off-by: Bailu Lin <bailu.lin@vivo.com>
Reviewed-by: Alex Shi <alex.shi@linux.alibaba.com>
Link: https://lore.kernel.org/r/20201014022003.43862-1-bailu.lin@vivo.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-10-21 15:15:17 -06:00
Wei Lin Chang d7a4c55b13 Documentation: x86: fix a missing word in x86_64/mm.rst.
This patch adds a missing word in x86/x86_64/mm.rst, without which
the note reads awkwardly.

Signed-off-by: Wei Lin Chang <r09922117@csie.ntu.edu.tw>
Link: https://lore.kernel.org/r/20201015062242.26296-1-r09922117@csie.ntu.edu.tw
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-10-21 15:14:36 -06:00
Mauro Carvalho Chehab d16eb0edf9 docs: driver-api: remove a duplicated index entry
The ipmb file was added twice at index.rst. That
sounds to be because the same patch was applied twice,
via different git trees:

	commit f6ae22d644
	Author: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
	Commit: Jonathan Corbet <corbet@lwn.net>

	    docs: ipmb: place it at driver-api and convert to ReST

	commit ac499fba98
	Author: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
	Commit: Corey Minyard <cminyard@mvista.com>

	    docs: ipmb: place it at driver-api and convert to ReST

With Sphinx 4.0.0 development tree, a new warning is produced
due to that:

	.../Documentation/driver-api/index.rst:14: WARNING: duplicated entry found in toctree: driver-api/ipmb

The fix is trivial: just drop the duplicated line.

Fixes: f6ae22d644 ("docs: ipmb: place it at driver-api and convert to ReST")
Fixes: ac499fba98 ("docs: ipmb: place it at driver-api and convert to ReST")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/623fb26a8409a7b002e45bdbb6f517ac08fd508a.1602753121.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-10-21 15:12:50 -06:00
Kees Cook ac8bf0de6a docs: lkdtm: Modernize and improve details
The details on using LKDTM were overly obscure. Modernize the details
and expand examples to better illustrate how to use the interfaces.
Additionally add missing SPDX header.

Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20201015224559.2137489-1-keescook@chromium.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-10-21 15:10:30 -06:00
Kees Cook 27def953b6 docs: deprecated.rst: Expand str*cpy() replacement notes
The notes on replacing the deprecated str*cpy() functions didn't call
enough attention to the change in return type. Add these details and
clean up the language a bit more.

Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/20201015231730.2138505-1-keescook@chromium.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-10-21 15:09:16 -06:00
Hui Su bb7a2c6362 docs/cpu-load: format the example code.
format the example code.

Signed-off-by: Hui Su <sh_def@163.com>
Link: https://lore.kernel.org/r/20201018170557.GA7670@rlk
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-10-21 15:07:30 -06:00
Linus Torvalds f804b31594 linux-watchdog 5.10-rc1 tag
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Merge tag 'linux-watchdog-5.10-rc1' of git://www.linux-watchdog.org/linux-watchdog

Pull watchdog updates from Wim Van Sebroeck:

 - Add Toshiba Visconti watchdog driver

 - it87_wdt: add IT8772 + IT8784

 - several fixes and improvements

* tag 'linux-watchdog-5.10-rc1' of git://www.linux-watchdog.org/linux-watchdog:
  watchdog: Add Toshiba Visconti watchdog driver
  watchdog: bindings: Add binding documentation for Toshiba Visconti watchdog device
  watchdog: it87_wdt: add IT8784 ID
  watchdog: sp5100_tco: Enable watchdog on Family 17h devices if disabled
  watchdog: sp5100: Fix definition of EFCH_PM_DECODEEN3
  watchdog: renesas_wdt: support handover from bootloader
  watchdog: imx7ulp: Watchdog should continue running for wait/stop mode
  watchdog: rti: Simplify with dev_err_probe()
  watchdog: davinci: Simplify with dev_err_probe()
  watchdog: cadence: Simplify with dev_err_probe()
  watchdog: remove unneeded inclusion of <uapi/linux/sched/types.h>
  watchdog: Use put_device on error
  watchdog: Fix memleak in watchdog_cdev_register
  watchdog: imx7ulp: Strictly follow the sequence for wdog operations
  watchdog: it87_wdt: add IT8772 ID
  watchdog: pcwd_usb: Avoid GFP_ATOMIC where it is not needed
  drivers: watchdog: rdc321x_wdt: Fix race condition bugs
2020-10-21 11:28:43 -07:00
Linus Torvalds b7769c45b8 RTC for 5.10
Subsystem:
  - new generic DT properties: aux-voltage-chargeable, trickle-voltage-millivolt
 
 New driver:
  - Microcrystal RV-3032
 
 Drivers:
  - ds1307: use aux-voltage-chargeable
  - r9701, rx8010: modernization of the driver
  - rv3028: fix clock output, trickle resistor values, RAM configuration
    registers
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Merge tag 'rtc-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "A new driver this cycle is making the bulk of the changes and the
  rx8010 driver has been rework to use the modern APIs.

  Summary:

  Subsystem:
   - new generic DT properties: aux-voltage-chargeable,
     trickle-voltage-millivolt

  New driver:
   - Microcrystal RV-3032

  Drivers:
   - ds1307: use aux-voltage-chargeable
   - r9701, rx8010: modernization of the driver
   - rv3028: fix clock output, trickle resistor values, RAM
     configuration registers"

* tag 'rtc-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (50 commits)
  rtc: r9701: set range
  rtc: r9701: convert to devm_rtc_allocate_device
  rtc: r9701: stop setting RWKCNT
  rtc: r9701: remove useless memset
  rtc: r9701: stop setting a default time
  rtc: r9701: remove leftover comment
  rtc: rv3032: Add a driver for Microcrystal RV-3032
  dt-bindings: rtc: rv3032: add RV-3032 bindings
  dt-bindings: rtc: add trickle-voltage-millivolt
  rtc: rv3028: ensure ram configuration registers are saved
  rtc: rv3028: factorize EERD bit handling
  rtc: rv3028: fix trickle resistor values
  rtc: rv3028: fix clock output support
  rtc: mt6397: Remove unused member dev
  rtc: rv8803: simplify the return expression of rv8803_nvram_write
  rtc: meson: simplify the return expression of meson_vrtc_probe
  rtc: rx8010: rename rx8010_init_client() to rx8010_init()
  rtc: ds1307: enable rx8130's backup battery, make it chargeable optionally
  rtc: ds1307: consider aux-voltage-chargeable
  rtc: ds1307: store previous charge default per chip
  ...
2020-10-21 11:22:08 -07:00
Linus Torvalds b5df4b5c28 Merge branch 'i2c/for-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:

 - if a host can be a client, too, the I2C core can now use it to
   emulate SMBus HostNotify support (STM32 and R-Car added this so far)

 - also for client mode, a testunit has been added. It can create rare
   situations on the bus, so host controllers can be tested

 - a binding has been added to mark the bus as "single-master". This
   allows for better timeout detections

 - new driver for Mellanox Bluefield

 - massive refactoring of the Tegra driver

 - EEPROMs recognized by the at24 driver can now have custom names

 - rest is driver updates

* 'i2c/for-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (80 commits)
  Documentation: i2c: add testunit docs to index
  i2c: tegra: Improve driver module description
  i2c: tegra: Clean up whitespaces, newlines and indentation
  i2c: tegra: Clean up and improve comments
  i2c: tegra: Clean up printk messages
  i2c: tegra: Clean up variable names
  i2c: tegra: Improve formatting of variables
  i2c: tegra: Check errors for both positive and negative values
  i2c: tegra: Factor out hardware initialization into separate function
  i2c: tegra: Factor out register polling into separate function
  i2c: tegra: Factor out packet header setup from tegra_i2c_xfer_msg()
  i2c: tegra: Factor out error recovery from tegra_i2c_xfer_msg()
  i2c: tegra: Rename wait/poll functions
  i2c: tegra: Remove "dma" variable from tegra_i2c_xfer_msg()
  i2c: tegra: Remove redundant check in tegra_i2c_issue_bus_clear()
  i2c: tegra: Remove likely/unlikely from the code
  i2c: tegra: Remove outdated barrier()
  i2c: tegra: Clean up variable types
  i2c: tegra: Reorder location of functions in the code
  i2c: tegra: Clean up probe function
  ...
2020-10-21 10:54:05 -07:00
Linus Torvalds ed7cfefe44 We have:
- a patch that removes crush_workspace_mutex (myself).  CRUSH
   computations are no longer serialized and can run in parallel.
 
 - a couple new filesystem client metrics for "ceph fs top" command
   (Xiubo Li)
 
 - a fix for a very old messenger bug that affected the filesystem,
   marked for stable (myself)
 
 - assorted fixups and cleanups throughout the codebase from Jeff
   and others.
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Merge tag 'ceph-for-5.10-rc1' of git://github.com/ceph/ceph-client

Pull ceph updates from Ilya Dryomov:

 - a patch that removes crush_workspace_mutex (myself). CRUSH
   computations are no longer serialized and can run in parallel.

 - a couple new filesystem client metrics for "ceph fs top" command
   (Xiubo Li)

 - a fix for a very old messenger bug that affected the filesystem,
   marked for stable (myself)

 - assorted fixups and cleanups throughout the codebase from Jeff and
   others.

* tag 'ceph-for-5.10-rc1' of git://github.com/ceph/ceph-client: (27 commits)
  libceph: clear con->out_msg on Policy::stateful_server faults
  libceph: format ceph_entity_addr nonces as unsigned
  libceph: fix ENTITY_NAME format suggestion
  libceph: move a dout in queue_con_delay()
  ceph: comment cleanups and clarifications
  ceph: break up send_cap_msg
  ceph: drop separate mdsc argument from __send_cap
  ceph: promote to unsigned long long before shifting
  ceph: don't SetPageError on readpage errors
  ceph: mark ceph_fmt_xattr() as printf-like for better type checking
  ceph: fold ceph_update_writeable_page into ceph_write_begin
  ceph: fold ceph_sync_writepages into writepage_nounlock
  ceph: fold ceph_sync_readpages into ceph_readpage
  ceph: don't call ceph_update_writeable_page from page_mkwrite
  ceph: break out writeback of incompatible snap context to separate function
  ceph: add a note explaining session reject error string
  libceph: switch to the new "osd blocklist add" command
  libceph, rbd, ceph: "blacklist" -> "blocklist"
  ceph: have ceph_writepages_start call pagevec_lookup_range_tag
  ceph: use kill_anon_super helper
  ...
2020-10-21 10:34:10 -07:00
Bjorn Helgaas f95f023d11 Merge branch 'remotes/lorenzo/pci/rcar'
- Document R8A774A1, R8A774B1, R8A774E1 endpoint support in DT (Lad
  Prabhakar)

- Add R8A774A1, R8A774B1, R8A774E1 (RZ/G2M, RZ/G2N, RZ/G2H) IDs to endpoint
  test (Lad Prabhakar)

- Add device tree support for R8A7742 (Lad Prabhakar)

- Use "fallthrough" pseudo-keyword (Gustavo A. R. Silva)

* remotes/lorenzo/pci/rcar:
  dt-bindings: PCI: rcar: Add device tree support for r8a7742
  PCI: rcar-gen2: Use fallthrough pseudo-keyword
  misc: pci_endpoint_test: Add Device ID for RZ/G2H PCIe controller
  dt-bindings: pci: rcar-pci-ep: Document r8a774e1
  misc: pci_endpoint_test: Add Device ID for RZ/G2M and RZ/G2N PCIe controllers
  dt-bindings: pci: rcar-pci-ep: Document r8a774a1 and r8a774b1
2020-10-21 09:58:43 -05:00
Bjorn Helgaas 924bb1f9b0 Merge branch 'remotes/lorenzo/pci/dwc'
- Fix designware-ep Header Type check (Hou Zhiqiang)

- Use DBI accessors instead of own config accessors (Rob Herring)

- Allow overriding bridge pci_ops (Rob Herring)

- Allow root and child buses to have different pci_ops (Rob Herring)

- Add default dwc pci_ops.map_bus (Rob Herring)

- Use pci_ops for root config space accessors in al, exynos, histb,
  keystone, kirin, meson, tegra (Rob Herring)

- Remove dwc own/other config accessor ops (Rob Herring)

- Use generic config accessors in dwc (Rob Herring)

- Also call .add_bus() callback for root bus (Rob Herring)

- Convert keystone .scan_bus() callback to use pci_ops.add_bus (Rob
  Herring)

- Convert dwc to use pci_host_probe() (Rob Herring)

- Remove dwc root_bus pointer (Rob Herring)

- Remove storing of PCI resources in dwc-specific structs (Rob Herring)

- Simplify config space handling (Rob Herring)

- Drop keystone duplicated DT num-viewport handling (Rob Herring)

- Check CONFIG_PCI_MSI in dw_pcie_msi_init() instead of duplicating it in
  all the drivers (Rob Herring)

- Remove imx6 duplicate PCIE_LINK_WIDTH_SPEED_CONTROL definition (Rob
  Herring)

- Add dwc num_lanes for use when it's lacking from DT (Rob Herring)

- Ensure "Fast Link Mode" simulation environment setting is cleared (Rob
  Herring)

- Drop meson duplicate number of lanes setup (Rob Herring)

- Drop meson unnecessary RC config space init (Rob Herring)

- Rework meson config and dwc port logic register accesses (Rob Herring)

- Use common PCI register definitions in imx6 and qcom (Rob Herring)

- Search for DesignWare PCIe Capability instead of hard-coding its location
  (Rob Herring)

- Use common DesignWare register definitions in tegra (Rob Herring)

- Drop keystone unused DBI2 code (Rob Herring)

- Make dwc ATU accessors private (Rob Herring)

- Centralize link gen setting in dwc (Rob Herring)

- Set PORT_LINK_DLL_LINK_EN in common dwc setup code (Rob Herring)

- Drop intel-gw unnecessary DT 'device_type' checking (Rob Herring)

- Move intel-gw PCI_CAP_ID_EXP discovery to the single place it's used (Rob
  Herring)

- Drop intel-gw unused max_width (Rob Herring)

- Move N_FTS (fast training sequence) setup to common dwc setup (Rob
  Herring)

- Convert spear13xx, tegra194 to use DBI accessors (Rob Herring)

- Add multiple PFs support for DWC (Xiaowei Bao)

- Add MSI-X doorbell mode for endpoint mode (Xiaowei Bao)

- Update MSI/MSI-X capability management for endpoints (Xiaowei Bao)

- Add layerscape ls1088a and ls2088a compatible strings (Xiaowei Bao)

- Update layerscape MSI/MSI-X management (Xiaowei Bao)

- Use doorbell to support MSI-X on layerscape (Xiaowei Bao)

- Add layerscape endpoint mode support for ls1088a and ls2088a (Xiaowei
  Bao)

- Add layerscape ls1088a node to DT (Xiaowei Bao)

- Add Freescale/Layerscape ls1088a to endpoint test (Xiaowei Bao)

- Add endpoint test driver data for Layerscape PCIe controllers (Hou
  Zhiqiang)

- Fix 'cast truncates bits from constant value' warning (Gustavo Pimentel)

- Add uniphier iATU register description (Kunihiko Hayashi)

- Add common iATU register support (Kunihiko Hayashi)

- Remove keystone iATU register mapping in favor of generic dwc support
  (Kunihiko Hayashi)

- Skip PCIE_MSI_INTR0* programming if MSI is disabled (Jisheng Zhang)

- Fix MSI page leakage in suspend/resume (Jisheng Zhang)

- Check whether link is up before attempting config access (best-effort fix
  even though it's racy) (Hou Zhiqiang)

* remotes/lorenzo/pci/dwc:
  PCI: dwc: Add link up check in dw_child_pcie_ops.map_bus()
  PCI: dwc: Fix MSI page leakage in suspend/resume
  PCI: dwc: Skip PCIE_MSI_INTR0* programming if MSI is disabled
  PCI: keystone: Remove iATU register mapping
  PCI: dwc: Add common iATU register support
  dt-bindings: PCI: uniphier-ep: Add iATU register description
  dt-bindings: PCI: uniphier: Add iATU register description
  PCI: dwc: Fix 'cast truncates bits from constant value'
  misc: pci_endpoint_test: Add driver data for Layerscape PCIe controllers
  misc: pci_endpoint_test: Add LS1088a in pci_device_id table
  PCI: layerscape: Add EP mode support for ls1088a and ls2088a
  PCI: layerscape: Modify the MSIX to the doorbell mode
  PCI: layerscape: Modify the way of getting capability with different PEX
  PCI: layerscape: Fix some format issue of the code
  dt-bindings: pci: layerscape-pci: Add compatible strings for ls1088a and ls2088a
  PCI: designware-ep: Modify MSI and MSIX CAP way of finding
  PCI: designware-ep: Move the function of getting MSI capability forward
  PCI: designware-ep: Add the doorbell mode of MSI-X in EP mode
  PCI: designware-ep: Add multiple PFs support for DWC
  PCI: dwc: Use DBI accessors
  PCI: dwc: Move N_FTS setup to common setup
  PCI: dwc/intel-gw: Drop unused max_width
  PCI: dwc/intel-gw: Move getting PCI_CAP_ID_EXP offset to intel_pcie_link_setup()
  PCI: dwc/intel-gw: Drop unnecessary checking of DT 'device_type' property
  PCI: dwc: Set PORT_LINK_DLL_LINK_EN in common setup code
  PCI: dwc: Centralize link gen setting
  PCI: dwc: Make ATU accessors private
  PCI: dwc: Remove read_dbi2 code
  PCI: dwc/tegra: Use common Designware port logic register definitions
  PCI: dwc: Remove hardcoded PCI_CAP_ID_EXP offset
  PCI: dwc/qcom: Use common PCI register definitions
  PCI: dwc/imx6: Use common PCI register definitions
  PCI: dwc/meson: Rework PCI config and DW port logic register accesses
  PCI: dwc/meson: Drop unnecessary RC config space initialization
  PCI: dwc/meson: Drop the duplicate number of lanes setup
  PCI: dwc: Ensure FAST_LINK_MODE is cleared
  PCI: dwc: Add a 'num_lanes' field to struct dw_pcie
  PCI: dwc/imx6: Remove duplicate define PCIE_LINK_WIDTH_SPEED_CONTROL
  PCI: dwc: Check CONFIG_PCI_MSI inside dw_pcie_msi_init()
  PCI: dwc/keystone: Drop duplicated 'num-viewport'
  PCI: dwc: Simplify config space handling
  PCI: dwc: Remove storing of PCI resources
  PCI: dwc: Remove root_bus pointer
  PCI: dwc: Convert to use pci_host_probe()
  PCI: dwc: keystone: Convert .scan_bus() callback to use add_bus
  PCI: Also call .add_bus() callback for root bus
  PCI: dwc: Use generic config accessors
  PCI: dwc: Remove dwc specific config accessor ops
  PCI: dwc: histb: Use pci_ops for root config space accessors
  PCI: dwc: exynos: Use pci_ops for root config space accessors
  PCI: dwc: kirin: Use pci_ops for root config space accessors
  PCI: dwc: meson: Use pci_ops for root config space accessors
  PCI: dwc: tegra: Use pci_ops for root config space accessors
  PCI: dwc: keystone: Use pci_ops for config space accessors
  PCI: dwc: al: Use pci_ops for child config space accessors
  PCI: dwc: Add a default pci_ops.map_bus for root port
  PCI: dwc: Allow overriding bridge pci_ops
  PCI: dwc: Use DBI accessors instead of own config accessors
  PCI: Allow root and child buses to have different pci_ops
  PCI: designware-ep: Fix the Header Type check
2020-10-21 09:58:39 -05:00
Bjorn Helgaas a66999a344 Merge branch 'remotes/lorenzo/pci/brcmstb'
- Make PCIE_BRCMSTB depend on and default to ARCH_BRCMSTB (Jim Quinlan)

- Add DT bindings for 7278, 7216, 7211, and new properties (Jim Quinlan)

- Add bcm7278 register info (Jim Quinlan)

- Add suspend and resume pm_ops (Jim Quinlan)

- Add bcm7278 PERST# support (Jim Quinlan)

- Add control of RESCAL reset (Jim Quinlan)

- Set additional internal memory DMA viewport sizes (Jim Quinlan)

- Accommodate MSI for older chips (Jim Quinlan)

- Set bus max burst size by chip type (Jim Quinlan)

- Add bcm7211, bcm7216, bcm7445, bcm7278 to match list (Jim Quinlan)

* remotes/lorenzo/pci/brcmstb:
  PCI: brcmstb: Add bcm7211, bcm7216, bcm7445, bcm7278 to match list
  PCI: brcmstb: Set bus max burst size by chip type
  PCI: brcmstb: Accommodate MSI for older chips
  PCI: brcmstb: Set additional internal memory DMA viewport sizes
  PCI: brcmstb: Add control of rescal reset
  PCI: brcmstb: Add bcm7278 PERST# support
  PCI: brcmstb: Add suspend and resume pm_ops
  PCI: brcmstb: Add bcm7278 register info
  dt-bindings: PCI: Add bindings for more Brcmstb chips
  PCI: brcmstb: PCIE_BRCMSTB depends on ARCH_BRCMSTB
2020-10-21 09:58:38 -05:00
SeongJae Park 4553350ffe xen-blkfront: Apply changed parameter name to the document
Commit 14e710fe78 ("xen-blkfront: rename indirect descriptor
parameter") changed the name of the module parameter for the maximum
amount of segments in indirect requests but missed updating the
document.  This commit updates the document.

Signed-off-by: SeongJae Park <sjpark@amazon.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
Acked-by: Roger Pau Monné <roger.pau@citrix.com>
Link: https://lore.kernel.org/r/20200923061841.20531-4-sjpark@amazon.com
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
2020-10-21 07:15:17 -05:00