Commit Graph

54774 Commits

Author SHA1 Message Date
Linus Torvalds c0d6586afa ACPI updates for 5.16-rc1
- Update the ACPICA code in the kernel to upstream revision 20210930
    including the following changes:
 
    * Fix system-wide resume issue caused by evaluating control
      methods too early in the resume path (Rafael Wysocki).
 
    * Add support for Windows 2020 _OSI string (Mario Limonciello).
 
    * Add Generic Port Affinity type for SRAT (Alison Schofield).
 
    * Add disassembly support for the NHLT ACPI table (Bob Moore).
 
  - Avoid flushing caches before entering C3 type of idle states on
    AMD processors (Deepak Sharma).
 
  - Avoid enumerating CPUs that are not present and not online-capable
    according to the platform firmware (Mario Limonciello).
 
  - Add DMI-based mechanism to quirk IRQ overrides and use it for two
    platforms (Hui Wang).
 
  - Change the configuration of unused ACPI device objects to reflect
    the D3cold power state after enumerating devices (Rafael Wysocki).
 
  - Update MAINTAINERS information regarding ACPI (Rafael Wysocki).
 
  - Fix typo in ACPI Kconfig (Masanari Iid).
 
  - Use sysfs_emit() instead of snprintf() in some places (Qing Wang).
 
  - Make the association of ACPI device objects with PCI devices more
    straightforward and simplify the code doing that for all devices
    in general (Rafael Wysocki).
 
  - Use acpi_device_adr() in acpi_find_child_device() instead of
    evaluating _ADR (Rafael Wysocki).
 
  - Drop duplicate device IDs from PNP device IDs list (Krzysztof
    Kozlowski).
 
  - Allow acpi_idle_play_dead() to use C3 on AMD processors (Richard
    Gong).
 
  - Use ACPI_COMPANION() to simplify code in some drivers (Rafael
    Wysocki).
 
  - Check the states of all ACPI power resources during initialization
    to avoid dealing with power resources in unknown states (Rafael
    Wysocki).
 
  - Fix ACPI power resource issues related to sharing wakeup power
    resources (Rafael Wysocki).
 
  - Avoid registering redundant suspend_ops (Rafael Wysocki).
 
  - Report battery charging state as "full" if it appears to be over
    the design capacity (André Almeida).
 
  - Quirk GK45 mini PC to skip reading _PSR in the AC driver (Stefan
    Schaeckeler).
 
  - Mark apei_hest_parse() static (Christoph Hellwig).
 
  - Relax platform response timeout to 1 second after instructing it
    to inject an error (Shuai Xue).
 
  - Make the PRM code handle memory allocation and remapping failures
    more gracefully and drop some unnecessary blank lines from that
    code (Aubrey Li).
 
  - Fix spelling mistake in the ACPI documentation (Colin Ian King).
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Merge tag 'acpi-5.16-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, address some issues related to the ACPI power resources
  management, simplify the enumeration of PCI devices having ACPI
  companions, add new quirks, fix assorted problems, update the
  ACPI-related information in maintainers and clean up code in several
  places.

  Specifics:

   - Update the ACPICA code in the kernel to upstream revision 20210930
     including the following changes:

        - Fix system-wide resume issue caused by evaluating control
          methods too early in the resume path (Rafael Wysocki).

        - Add support for Windows 2020 _OSI string (Mario Limonciello).

        - Add Generic Port Affinity type for SRAT (Alison Schofield).

        - Add disassembly support for the NHLT ACPI table (Bob Moore).

   - Avoid flushing caches before entering C3 type of idle states on AMD
     processors (Deepak Sharma).

   - Avoid enumerating CPUs that are not present and not online-capable
     according to the platform firmware (Mario Limonciello).

   - Add DMI-based mechanism to quirk IRQ overrides and use it for two
     platforms (Hui Wang).

   - Change the configuration of unused ACPI device objects to reflect
     the D3cold power state after enumerating devices (Rafael Wysocki).

   - Update MAINTAINERS information regarding ACPI (Rafael Wysocki).

   - Fix typo in ACPI Kconfig (Masanari Iid).

   - Use sysfs_emit() instead of snprintf() in some places (Qing Wang).

   - Make the association of ACPI device objects with PCI devices more
     straightforward and simplify the code doing that for all devices in
     general (Rafael Wysocki).

   - Use acpi_device_adr() in acpi_find_child_device() instead of
     evaluating _ADR (Rafael Wysocki).

   - Drop duplicate device IDs from PNP device IDs list (Krzysztof
     Kozlowski).

   - Allow acpi_idle_play_dead() to use C3 on AMD processors (Richard
     Gong).

   - Use ACPI_COMPANION() to simplify code in some drivers (Rafael
     Wysocki).

   - Check the states of all ACPI power resources during initialization
     to avoid dealing with power resources in unknown states (Rafael
     Wysocki).

   - Fix ACPI power resource issues related to sharing wakeup power
     resources (Rafael Wysocki).

   - Avoid registering redundant suspend_ops (Rafael Wysocki).

   - Report battery charging state as "full" if it appears to be over
     the design capacity (André Almeida).

   - Quirk GK45 mini PC to skip reading _PSR in the AC driver (Stefan
     Schaeckeler).

   - Mark apei_hest_parse() static (Christoph Hellwig).

   - Relax platform response timeout to 1 second after instructing it to
     inject an error (Shuai Xue).

   - Make the PRM code handle memory allocation and remapping failures
     more gracefully and drop some unnecessary blank lines from that
     code (Aubrey Li).

   - Fix spelling mistake in the ACPI documentation (Colin Ian King)"

* tag 'acpi-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (36 commits)
  ACPI: glue: Use acpi_device_adr() in acpi_find_child_device()
  perf: qcom_l2_pmu: ACPI: Use ACPI_COMPANION() directly
  ACPI: APEI: mark apei_hest_parse() static
  ACPI: APEI: EINJ: Relax platform response timeout to 1 second
  gpio-amdpt: ACPI: Use the ACPI_COMPANION() macro directly
  nouveau: ACPI: Use the ACPI_COMPANION() macro directly
  ACPI: resources: Add one more Medion model in IRQ override quirk
  ACPI: AC: Quirk GK45 to skip reading _PSR
  ACPI: PM: sleep: Do not set suspend_ops unnecessarily
  ACPI: PRM: Handle memory allocation and memory remap failure
  ACPI: PRM: Remove unnecessary blank lines
  ACPI: PM: Turn off wakeup power resources on _DSW/_PSW errors
  ACPI: PM: Fix sharing of wakeup power resources
  ACPI: PM: Turn off unused wakeup power resources
  ACPI: PM: Check states of power resources during initialization
  ACPI: replace snprintf() in "show" functions with sysfs_emit()
  ACPI: LPSS: Use ACPI_COMPANION() directly
  ACPI: scan: Release PM resources blocked by unused objects
  ACPI: battery: Accept charges over the design capacity as full
  ACPICA: Update version to 20210930
  ...
2021-11-02 15:58:39 -07:00
Linus Torvalds a85373fe44 Merge branch 'for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo:

 - The misc controller now reports allocation rejections through
   misc.events instead of printking

 - cgroup_mutex usage is reduced to improve scalability of some
   operations

 - vhost helper threads are now assigned to the right cgroup on cgroup2

 - Bug fixes

* 'for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cgroup: bpf: Move wrapper for __cgroup_bpf_*() to kernel/bpf/cgroup.c
  cgroup: Fix rootcg cpu.stat guest double counting
  cgroup: no need for cgroup_mutex for /proc/cgroups
  cgroup: remove cgroup_mutex from cgroupstats_build
  cgroup: reduce dependency on cgroup_mutex
  cgroup: cgroup-v1: do not exclude cgrp_dfl_root
  cgroup: Make rebind_subsystems() disable v2 controllers all at once
  docs/cgroup: add entry for misc.events
  misc_cgroup: remove error log to avoid log flood
  misc_cgroup: introduce misc.events to count failures
2021-11-02 15:37:27 -07:00
Linus Torvalds 4075409c9f Merge branch 'for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Pull workqueue updates from Tejun Heo:
 "Nothing too interesting. An optimization to short-circuit noop cpumask
  updates, debug dump code reorg, and doc update"

* 'for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  workqueue: doc: Call out the non-reentrance conditions
  workqueue: Introduce show_one_worker_pool and show_one_workqueue.
  workqueue: make sysfs of unbound kworker cpumask more clever
2021-11-02 15:26:41 -07:00
Krzysztof Kozlowski 4b44521c5d dt-bindings: clock: fu740-prci: add reset-cells
The SiFive FU740 Power Reset Clock Interrupt Controller is a reset line
provider so add respective reset-cells property to fix:

  arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dt.yaml: clock-controller@10000000:
    '#reset-cells' does not match any of the regexes: 'pinctrl-[0-9]+'

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20210920144944.162431-1-krzysztof.kozlowski@canonical.com
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Palmer Dabbelt <palmerdabbelt@google.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-11-02 14:39:56 -07:00
Kunihiko Hayashi d911ed9330 dt-bindings: clock: uniphier: Add clock binding for SoC-glue
Update binding document for clocks implemented in SoC-glue.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/1634000035-3114-5-git-send-email-hayashi.kunihiko@socionext.com
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-11-02 14:34:50 -07:00
Kunihiko Hayashi 6a7f2c9e95 dt-bindings: clock: uniphier: Add NX1 clock binding
Update clock binding document for UniPhier NX1 SoC.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/1634000035-3114-3-git-send-email-hayashi.kunihiko@socionext.com
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-11-02 14:34:50 -07:00
Jens Renner dd5e128020 clk: si5351: Update datasheet references
Silicon Labs is now part of Skyworks Inc. so update the URLs to the
datasheet and application note.

Signed-off-by: Jens Renner <renner@efe-gmbh.de>
Link: https://lore.kernel.org/r/20210913074823.115212-1-renner@efe-gmbh.de
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-11-02 14:29:17 -07:00
Stephen Boyd e2ceaa867d Merge branches 'clk-composite-determine-fix', 'clk-allwinner', 'clk-amlogic' and 'clk-samsung' into clk-next
* clk-composite-determine-fix:
  clk: composite: Use rate_ops.determine_rate when also a mux is available
  clk: composite: Also consider .determine_rate for rate + mux composites

* clk-allwinner:
  clk: sunxi: sun8i-apb0: Make use of the helper function devm_platform_ioremap_resource()
  clk: sunxi: sun6i-ar100: Make use of the helper function devm_platform_ioremap_resource()
  clk: sunxi: sun6i-apb0-gates: Make use of the helper function devm_platform_ioremap_resource()
  clk: sunxi: sun6i-apb0: Make use of the helper function devm_platform_ioremap_resource()
  clk: sunxi-ng: ccu-sun9i-a80-usb: Make use of the helper function devm_platform_ioremap_resource()
  clk: sunxi-ng: ccu-sun9i-a80-de: Make use of the helper function devm_platform_ioremap_resource()
  clk: sunxi-ng: ccu-sun9i-a80: Make use of the helper function devm_platform_ioremap_resource()
  clk: sunxi-ng: ccu-sun8i-r40: Make use of the helper function devm_platform_ioremap_resource()
  clk: sunxi-ng: ccu-sun8i-de2: Make use of the helper function devm_platform_ioremap_resource()
  clk: sunxi-ng: ccu-sun8i-a83t: Make use of the helper function devm_platform_ioremap_resource()
  clk: sunxi-ng: ccu-sun50i-h6: Make use of the helper function devm_platform_ioremap_resource()
  clk: sunxi-ng: ccu-sun50i-a64: Make use of the helper function devm_platform_ioremap_resource()
  clk: sunxi: clk-mod0: Make use of the helper function devm_platform_ioremap_resource()
  dt-bindings: clocks: Fix typo in the H6 compatible
  clk: sunxi-ng: Use a separate lock for each CCU instance
  clk: sunxi-ng: Prevent unbinding CCUs via sysfs
  clk: sunxi-ng: Unregister clocks/resets when unbinding
  clk: sunxi-ng: Add machine dependency to A83T CCU
  clk: sunxi-ng: mux: Remove unused 'reg' field

* clk-amlogic:
  clk: meson: meson8b: Make the video clock trees mutable
  clk: meson: meson8b: Initialize the HDMI PLL registers
  clk: meson: meson8b: Add the HDMI PLL M/N parameters
  clk: meson: meson8b: Add the vid_pll_lvds_en gate clock
  clk: meson: meson8b: Use CLK_SET_RATE_NO_REPARENT for vclk{,2}_in_sel
  clk: meson: meson8b: Export the video clocks

* clk-samsung:
  clk: samsung: describe drivers in Kconfig
  clk: samsung: exynos5433: update apollo and atlas clock probing
  clk: samsung: add support for CPU clocks
  clk: samsung: Introduce Exynos850 clock driver
  dt-bindings: clock: Document Exynos850 CMU bindings
  dt-bindings: clock: Add bindings definitions for Exynos850 CMU
  clk: samsung: clk-pll: Implement pll0831x PLL type
  clk: samsung: clk-pll: Implement pll0822x PLL type
  clk: samsung: s5pv210-audss: Make use of devm_platform_ioremap_resource()
  clk: samsung: exynos5433: Make use of devm_platform_ioremap_resource()
  clk: samsung: exynos4412-isp: Make use of devm_platform_ioremap_resource()
  clk: samsung: exynos-audss: Make use of devm_platform_ioremap_resource()
2021-11-02 11:27:06 -07:00
Stephen Boyd 8d741ecd46 Merge branches 'clk-imx', 'clk-ux500' and 'clk-debugfs' into clk-next
* clk-imx: (21 commits)
  clk: imx: Make CLK_IMX8ULP select MXC_CLK
  clk: imx: imx6ul: Fix csi clk gate register
  clk: imx: imx6ul: Move csi_sel mux to correct base register
  clk: imx: Fix the build break when clk-imx8ulp build as module
  clk: imx: Add the pcc reset controller support on imx8ulp
  clk: imx: Add clock driver for imx8ulp
  clk: imx: Update the pfdv2 for 8ulp specific support
  clk: imx: disable the pfd when set pfdv2 clock rate
  clk: imx: Add 'CLK_SET_RATE_NO_REPARENT' for composite-7ulp
  clk: imx: disable i.mx7ulp composite clock during initialization
  clk: imx: Update the compsite driver to support imx8ulp
  clk: imx: Update the pllv4 to support imx8ulp
  dt-bindings: clock: Add imx8ulp clock support
  clk: imx: Rework imx_clk_hw_pll14xx wrapper
  clk: imx: Rework all imx_clk_hw_composite wrappers
  clk: imx: Rework all clk_hw_register_divider wrappers
  clk: imx: Rework all clk_hw_register_mux wrappers
  clk: imx: Rework all clk_hw_register_gate2 wrappers
  clk: imx: Rework all clk_hw_register_gate wrappers
  clk: imx: Make mux/mux2 clk based helpers use clk_hw based ones
  ...

* clk-ux500:
  clk: ux500: Add driver for the reset portions of PRCC
  dt-bindings: clock: u8500: Rewrite in YAML and extend

* clk-debugfs:
  clk: use clk_core_get_rate_recalc() in clk_rate_get()
2021-11-02 11:27:02 -07:00
Stephen Boyd a379e16ab8 Merge branches 'clk-qcom', 'clk-mtk', 'clk-versatile' and 'clk-doc' into clk-next
- Use ARRAY_SIZE in qcom clk drivers
 - Remove some impractical fallback parent names in qcom clk drivers
 - GCC and RPMcc support for Qualcomm QCM2290 SoCs
 - GCC support for Qualcomm MSM8994/MSM8992 SoCs
 - LPASSCC and CAMCC support for Qualcomm SC7280 SoCs
 - Support for Mediatek MT8195 SoCs
 - Make Mediatek clk drivers tristate

* clk-qcom: (44 commits)
  clk: qcom: gdsc: enable optional power domain support
  clk: qcom: videocc-sm8250: use runtime PM for the clock controller
  clk: qcom: dispcc-sm8250: use runtime PM for the clock controller
  dt-bindings: clock: qcom,videocc: add mmcx power domain
  dt-bindings: clock: qcom,dispcc-sm8x50: add mmcx power domain
  clk: qcom: gcc-sc7280: Drop unused array
  clk: qcom: camcc: Add camera clock controller driver for SC7280
  dt-bindings: clock: Add YAML schemas for CAMCC clocks on SC7280
  clk: qcom: Add lpass clock controller driver for SC7280
  dt-bindings: clock: Add YAML schemas for LPASS clocks on SC7280
  clk: qcom: Kconfig: Sort the symbol for SC_LPASS_CORECC_7180
  clk: qcom: mmcc-sdm660: Add hw_ctrl flag to venus_core0_gdsc
  clk: qcom: mmcc-sdm660: Add necessary CXCs to venus_gdsc
  clk: qcom: gcc-msm8994: Use ARRAY_SIZE() for num_parents
  clk: qcom: gcc-msm8994: Add proper msm8992 support
  clk: qcom: gcc-msm8994: Add modem reset
  clk: qcom: gcc-msm8994: Remove the inexistent GDSC_PCIE
  clk: qcom: gcc-msm8994: Add missing clocks
  clk: qcom: gcc-msm8994: Add missing NoC clocks
  clk: qcom: gcc-msm8994: Fix up SPI QUP clocks
  ...

* clk-mtk: (28 commits)
  clk: mediatek: Export clk_ops structures to modules
  clk: mediatek: support COMMON_CLK_MT6779 module build
  clk: mediatek: support COMMON_CLK_MEDIATEK module build
  clk: composite: export clk_register_composite
  clk: mediatek: Add MT8195 apusys clock support
  clk: mediatek: Add MT8195 imp i2c wrapper clock support
  clk: mediatek: Add MT8195 wpesys clock support
  clk: mediatek: Add MT8195 vppsys1 clock support
  clk: mediatek: Add MT8195 vppsys0 clock support
  clk: mediatek: Add MT8195 vencsys clock support
  clk: mediatek: Add MT8195 vdosys1 clock support
  clk: mediatek: Add MT8195 vdosys0 clock support
  clk: mediatek: Add MT8195 vdecsys clock support
  clk: mediatek: Add MT8195 scp adsp clock support
  clk: mediatek: Add MT8195 mfgcfg clock support
  clk: mediatek: Add MT8195 ipesys clock support
  clk: mediatek: Add MT8195 imgsys clock support
  clk: mediatek: Add MT8195 ccusys clock support
  clk: mediatek: Add MT8195 camsys clock support
  clk: mediatek: Add MT8195 infrastructure clock support
  ...

* clk-versatile:
  clk: versatile: hide clock drivers from non-ARM users
  clk: versatile: Rename ICST to CLK_ICST
  clk: versatile: clk-icst: Support 'reg' in addition to 'vco-offset' for register address
  dt-bindings: clock: arm,syscon-icst: Use 'reg' instead of 'vco-offset' for VCO register address

* clk-doc:
  dt-bindings: clk: fixed-mmio-clock: Convert to YAML
2021-11-02 11:26:33 -07:00
Linus Torvalds d7e0a795bf ARM:
* More progress on the protected VM front, now with the full
   fixed feature set as well as the limitation of some hypercalls
   after initialisation.
 
 * Cleanup of the RAZ/WI sysreg handling, which was pointlessly
   complicated
 
 * Fixes for the vgic placement in the IPA space, together with a
   bunch of selftests
 
 * More memcg accounting of the memory allocated on behalf of a guest
 
 * Timer and vgic selftests
 
 * Workarounds for the Apple M1 broken vgic implementation
 
 * KConfig cleanups
 
 * New kvmarm.mode=none option, for those who really dislike us
 
 RISC-V:
 * New KVM port.
 
 x86:
 * New API to control TSC offset from userspace
 
 * TSC scaling for nested hypervisors on SVM
 
 * Switch masterclock protection from raw_spin_lock to seqcount
 
 * Clean up function prototypes in the page fault code and avoid
 repeated memslot lookups
 
 * Convey the exit reason to userspace on emulation failure
 
 * Configure time between NX page recovery iterations
 
 * Expose Predictive Store Forwarding Disable CPUID leaf
 
 * Allocate page tracking data structures lazily (if the i915
 KVM-GT functionality is not compiled in)
 
 * Cleanups, fixes and optimizations for the shadow MMU code
 
 s390:
 * SIGP Fixes
 
 * initial preparations for lazy destroy of secure VMs
 
 * storage key improvements/fixes
 
 * Log the guest CPNC
 
 Starting from this release, KVM-PPC patches will come from
 Michael Ellerman's PPC tree.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM updates from Paolo Bonzini:
 "ARM:

   - More progress on the protected VM front, now with the full fixed
     feature set as well as the limitation of some hypercalls after
     initialisation.

   - Cleanup of the RAZ/WI sysreg handling, which was pointlessly
     complicated

   - Fixes for the vgic placement in the IPA space, together with a
     bunch of selftests

   - More memcg accounting of the memory allocated on behalf of a guest

   - Timer and vgic selftests

   - Workarounds for the Apple M1 broken vgic implementation

   - KConfig cleanups

   - New kvmarm.mode=none option, for those who really dislike us

  RISC-V:

   - New KVM port.

  x86:

   - New API to control TSC offset from userspace

   - TSC scaling for nested hypervisors on SVM

   - Switch masterclock protection from raw_spin_lock to seqcount

   - Clean up function prototypes in the page fault code and avoid
     repeated memslot lookups

   - Convey the exit reason to userspace on emulation failure

   - Configure time between NX page recovery iterations

   - Expose Predictive Store Forwarding Disable CPUID leaf

   - Allocate page tracking data structures lazily (if the i915 KVM-GT
     functionality is not compiled in)

   - Cleanups, fixes and optimizations for the shadow MMU code

  s390:

   - SIGP Fixes

   - initial preparations for lazy destroy of secure VMs

   - storage key improvements/fixes

   - Log the guest CPNC

  Starting from this release, KVM-PPC patches will come from Michael
  Ellerman's PPC tree"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (227 commits)
  RISC-V: KVM: fix boolreturn.cocci warnings
  RISC-V: KVM: remove unneeded semicolon
  RISC-V: KVM: Fix GPA passed to __kvm_riscv_hfence_gvma_xyz() functions
  RISC-V: KVM: Factor-out FP virtualization into separate sources
  KVM: s390: add debug statement for diag 318 CPNC data
  KVM: s390: pv: properly handle page flags for protected guests
  KVM: s390: Fix handle_sske page fault handling
  KVM: x86: SGX must obey the KVM_INTERNAL_ERROR_EMULATION protocol
  KVM: x86: On emulation failure, convey the exit reason, etc. to userspace
  KVM: x86: Get exit_reason as part of kvm_x86_ops.get_exit_info
  KVM: x86: Clarify the kvm_run.emulation_failure structure layout
  KVM: s390: Add a routine for setting userspace CPU state
  KVM: s390: Simplify SIGP Set Arch handling
  KVM: s390: pv: avoid stalls when making pages secure
  KVM: s390: pv: avoid stalls for kvm_s390_pv_init_vm
  KVM: s390: pv: avoid double free of sida page
  KVM: s390: pv: add macros for UVC CC values
  s390/mm: optimize reset_guest_reference_bit()
  s390/mm: optimize set_guest_storage_key()
  s390/mm: no need for pte_alloc_map_lock() if we know the pmd is present
  ...
2021-11-02 11:24:14 -07:00
Rafael J. Wysocki 90e17edac4 Merge branches 'acpi-apei', 'acpi-prm' and 'acpi-docs'
Merge APEI, PRM and documentation udpates for 5.16-rc1:

 - Mark apei_hest_parse() static (Christoph Hellwig).

 - Relax platform response timeout to 1 second after instructing it
   to inject an error (Shuai Xue).

 - Make the PRM code handle memory allocation and remapping failures
   more gracefully and drop some unnecessary blank lines from that
   code (Aubrey Li).

 - Fix spelling mistake in the ACPI documentation (Colin Ian King).

* acpi-apei:
  ACPI: APEI: mark apei_hest_parse() static
  ACPI: APEI: EINJ: Relax platform response timeout to 1 second

* acpi-prm:
  ACPI: PRM: Handle memory allocation and memory remap failure
  ACPI: PRM: Remove unnecessary blank lines

* acpi-docs:
  Documentation: ACPI: Fix spelling mistake "Millenium" -> "Millennium"
2021-11-02 18:59:45 +01:00
Linus Torvalds 0aaa58eca6 printk changes for 5.16
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Merge tag 'printk-for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux

Pull printk updates from Petr Mladek:

 - Extend %pGp print format to print hex value of the page flags

 - Use kvmalloc instead of kmalloc to allocate devkmsg buffers

 - Misc cleanup and warning fixes

* tag 'printk-for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
  vsprintf: Update %pGp documentation about that it prints hex value
  lib/vsprintf.c: Amend static asserts for format specifier flags
  vsprintf: Make %pGp print the hex value
  test_printf: Append strings more efficiently
  test_printf: Remove custom appending of '|'
  test_printf: Remove separate page_flags variable
  test_printf: Make pft array const
  ia64: don't do IA64_CMPXCHG_DEBUG without CONFIG_PRINTK
  printk: use gnu_printf format attribute for printk_sprint()
  printk: avoid -Wsometimes-uninitialized warning
  printk: use kvmalloc instead of kmalloc for devkmsg_user
2021-11-02 10:53:45 -07:00
Linus Torvalds c150d66bd5 integrity-v5.16
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Merge tag 'integrity-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity

Pull integrity subsystem updates from Mimi Zohar:
 "Other than the new gid IMA policy rule support and the RCU locking
  fix, the couple of remaining changes are minor/trivial (e.g.
  __ro_after_init, replacing strscpy)"

* tag 'integrity-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
  evm: mark evm_fixmode as __ro_after_init
  ima: Use strscpy instead of strlcpy
  ima_policy: Remove duplicate 'the' in docs comment
  ima: add gid support
  ima: fix uid code style problems
  ima: fix deadlock when traversing "ima_default_rules".
2021-11-02 10:51:28 -07:00
Rafael J. Wysocki 5c83017c54 Merge branch 'opp/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm
Pull operating performance points (OPP) framework updates for 5.16-rc1
from Viresh Kumar:

"- Fix return value of _opp_add_static_v2() helper (YueHaibing).

 - Fix required-opp handle count (Pavankumar Kondeti).

 - Resource managed OPP helpers, type update to
   dev_pm_opp_attach_genpd() and update to their devfreq users, and
   minor DT binding change (Dmitry Osipenko)."

* 'opp/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
  dt-bindings: opp: Allow multi-worded OPP entry name
  opp: Fix return in _opp_add_static_v2()
  PM / devfreq: tegra30: Check whether clk_round_rate() returns zero rate
  PM / devfreq: tegra30: Use resource-managed helpers
  PM / devfreq: Add devm_devfreq_add_governor()
  opp: Add more resource-managed variants of dev_pm_opp_of_add_table()
  opp: Change type of dev_pm_opp_attach_genpd(names) argument
  opp: Fix required-opps phandle array count check
2021-11-02 17:52:53 +01:00
Linus Torvalds fc02cb2b37 Core:
- Remove socket skb caches
 
  - Add a SO_RESERVE_MEM socket op to forward allocate buffer space
    and avoid memory accounting overhead on each message sent
 
  - Introduce managed neighbor entries - added by control plane and
    resolved by the kernel for use in acceleration paths (BPF / XDP
    right now, HW offload users will benefit as well)
 
  - Make neighbor eviction on link down controllable by userspace
    to work around WiFi networks with bad roaming implementations
 
  - vrf: Rework interaction with netfilter/conntrack
 
  - fq_codel: implement L4S style ce_threshold_ect1 marking
 
  - sch: Eliminate unnecessary RCU waits in mini_qdisc_pair_swap()
 
 BPF:
 
  - Add support for new btf kind BTF_KIND_TAG, arbitrary type tagging
    as implemented in LLVM14
 
  - Introduce bpf_get_branch_snapshot() to capture Last Branch Records
 
  - Implement variadic trace_printk helper
 
  - Add a new Bloomfilter map type
 
  - Track <8-byte scalar spill and refill
 
  - Access hw timestamp through BPF's __sk_buff
 
  - Disallow unprivileged BPF by default
 
  - Document BPF licensing
 
 Netfilter:
 
  - Introduce egress hook for looking at raw outgoing packets
 
  - Allow matching on and modifying inner headers / payload data
 
  - Add NFT_META_IFTYPE to match on the interface type either from
    ingress or egress
 
 Protocols:
 
  - Multi-Path TCP:
    - increase default max additional subflows to 2
    - rework forward memory allocation
    - add getsockopts: MPTCP_INFO, MPTCP_TCPINFO, MPTCP_SUBFLOW_ADDRS
 
  - MCTP flow support allowing lower layer drivers to configure msg
    muxing as needed
 
  - Automatic Multicast Tunneling (AMT) driver based on RFC7450
 
  - HSR support the redbox supervision frames (IEC-62439-3:2018)
 
  - Support for the ip6ip6 encapsulation of IOAM
 
  - Netlink interface for CAN-FD's Transmitter Delay Compensation
 
  - Support SMC-Rv2 eliminating the current same-subnet restriction,
    by exploiting the UDP encapsulation feature of RoCE adapters
 
  - TLS: add SM4 GCM/CCM crypto support
 
  - Bluetooth: initial support for link quality and audio/codec
    offload
 
 Driver APIs:
 
  - Add a batched interface for RX buffer allocation in AF_XDP
    buffer pool
 
  - ethtool: Add ability to control transceiver modules' power mode
 
  - phy: Introduce supported interfaces bitmap to express MAC
    capabilities and simplify PHY code
 
  - Drop rtnl_lock from DSA .port_fdb_{add,del} callbacks
 
 New drivers:
 
  - WiFi driver for Realtek 8852AE 802.11ax devices (rtw89)
 
  - Ethernet driver for ASIX AX88796C SPI device (x88796c)
 
 Drivers:
 
  - Broadcom PHYs
    - support 72165, 7712 16nm PHYs
    - support IDDQ-SR for additional power savings
 
  - PHY support for QCA8081, QCA9561 PHYs
 
  - NXP DPAA2: support for IRQ coalescing
 
  - NXP Ethernet (enetc): support for software TCP segmentation
 
  - Renesas Ethernet (ravb) - support DMAC and EMAC blocks of
    Gigabit-capable IP found on RZ/G2L SoC
 
  - Intel 100G Ethernet
    - support for eswitch offload of TC/OvS flow API, including
      offload of GRE, VxLAN, Geneve tunneling
    - support application device queues - ability to assign Rx and Tx
      queues to application threads
    - PTP and PPS (pulse-per-second) extensions
 
  - Broadcom Ethernet (bnxt)
    - devlink health reporting and device reload extensions
 
  - Mellanox Ethernet (mlx5)
    - offload macvlan interfaces
    - support HW offload of TC rules involving OVS internal ports
    - support HW-GRO and header/data split
    - support application device queues
 
  - Marvell OcteonTx2:
    - add XDP support for PF
    - add PTP support for VF
 
  - Qualcomm Ethernet switch (qca8k): support for QCA8328
 
  - Realtek Ethernet DSA switch (rtl8366rb)
    - support bridge offload
    - support STP, fast aging, disabling address learning
    - support for Realtek RTL8365MB-VC, a 4+1 port 10M/100M/1GE switch
 
  - Mellanox Ethernet/IB switch (mlxsw)
    - multi-level qdisc hierarchy offload (e.g. RED, prio and shaping)
    - offload root TBF qdisc as port shaper
    - support multiple routing interface MAC address prefixes
    - support for IP-in-IP with IPv6 underlay
 
  - MediaTek WiFi (mt76)
    - mt7921 - ASPM, 6GHz, SDIO and testmode support
    - mt7915 - LED and TWT support
 
  - Qualcomm WiFi (ath11k)
    - include channel rx and tx time in survey dump statistics
    - support for 80P80 and 160 MHz bandwidths
    - support channel 2 in 6 GHz band
    - spectral scan support for QCN9074
    - support for rx decapsulation offload (data frames in 802.3
      format)
 
  - Qualcomm phone SoC WiFi (wcn36xx)
    - enable Idle Mode Power Save (IMPS) to reduce power consumption
      during idle
 
  - Bluetooth driver support for MediaTek MT7922 and MT7921
 
  - Enable support for AOSP Bluetooth extension in Qualcomm WCN399x
    and Realtek 8822C/8852A
 
  - Microsoft vNIC driver (mana)
    - support hibernation and kexec
 
  - Google vNIC driver (gve)
    - support for jumbo frames
    - implement Rx page reuse
 
 Refactor:
 
  - Make all writes to netdev->dev_addr go thru helpers, so that we
    can add this address to the address rbtree and handle the updates
 
  - Various TCP cleanups and optimizations including improvements
    to CPU cache use
 
  - Simplify the gnet_stats, Qdisc stats' handling and remove
    qdisc->running sequence counter
 
  - Driver changes and API updates to address devlink locking
    deficiencies
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Jakub Kicinski:
 "Core:

   - Remove socket skb caches

   - Add a SO_RESERVE_MEM socket op to forward allocate buffer space and
     avoid memory accounting overhead on each message sent

   - Introduce managed neighbor entries - added by control plane and
     resolved by the kernel for use in acceleration paths (BPF / XDP
     right now, HW offload users will benefit as well)

   - Make neighbor eviction on link down controllable by userspace to
     work around WiFi networks with bad roaming implementations

   - vrf: Rework interaction with netfilter/conntrack

   - fq_codel: implement L4S style ce_threshold_ect1 marking

   - sch: Eliminate unnecessary RCU waits in mini_qdisc_pair_swap()

  BPF:

   - Add support for new btf kind BTF_KIND_TAG, arbitrary type tagging
     as implemented in LLVM14

   - Introduce bpf_get_branch_snapshot() to capture Last Branch Records

   - Implement variadic trace_printk helper

   - Add a new Bloomfilter map type

   - Track <8-byte scalar spill and refill

   - Access hw timestamp through BPF's __sk_buff

   - Disallow unprivileged BPF by default

   - Document BPF licensing

  Netfilter:

   - Introduce egress hook for looking at raw outgoing packets

   - Allow matching on and modifying inner headers / payload data

   - Add NFT_META_IFTYPE to match on the interface type either from
     ingress or egress

  Protocols:

   - Multi-Path TCP:
      - increase default max additional subflows to 2
      - rework forward memory allocation
      - add getsockopts: MPTCP_INFO, MPTCP_TCPINFO, MPTCP_SUBFLOW_ADDRS

   - MCTP flow support allowing lower layer drivers to configure msg
     muxing as needed

   - Automatic Multicast Tunneling (AMT) driver based on RFC7450

   - HSR support the redbox supervision frames (IEC-62439-3:2018)

   - Support for the ip6ip6 encapsulation of IOAM

   - Netlink interface for CAN-FD's Transmitter Delay Compensation

   - Support SMC-Rv2 eliminating the current same-subnet restriction, by
     exploiting the UDP encapsulation feature of RoCE adapters

   - TLS: add SM4 GCM/CCM crypto support

   - Bluetooth: initial support for link quality and audio/codec offload

  Driver APIs:

   - Add a batched interface for RX buffer allocation in AF_XDP buffer
     pool

   - ethtool: Add ability to control transceiver modules' power mode

   - phy: Introduce supported interfaces bitmap to express MAC
     capabilities and simplify PHY code

   - Drop rtnl_lock from DSA .port_fdb_{add,del} callbacks

  New drivers:

   - WiFi driver for Realtek 8852AE 802.11ax devices (rtw89)

   - Ethernet driver for ASIX AX88796C SPI device (x88796c)

  Drivers:

   - Broadcom PHYs
      - support 72165, 7712 16nm PHYs
      - support IDDQ-SR for additional power savings

   - PHY support for QCA8081, QCA9561 PHYs

   - NXP DPAA2: support for IRQ coalescing

   - NXP Ethernet (enetc): support for software TCP segmentation

   - Renesas Ethernet (ravb) - support DMAC and EMAC blocks of
     Gigabit-capable IP found on RZ/G2L SoC

   - Intel 100G Ethernet
      - support for eswitch offload of TC/OvS flow API, including
        offload of GRE, VxLAN, Geneve tunneling
      - support application device queues - ability to assign Rx and Tx
        queues to application threads
      - PTP and PPS (pulse-per-second) extensions

   - Broadcom Ethernet (bnxt)
      - devlink health reporting and device reload extensions

   - Mellanox Ethernet (mlx5)
      - offload macvlan interfaces
      - support HW offload of TC rules involving OVS internal ports
      - support HW-GRO and header/data split
      - support application device queues

   - Marvell OcteonTx2:
      - add XDP support for PF
      - add PTP support for VF

   - Qualcomm Ethernet switch (qca8k): support for QCA8328

   - Realtek Ethernet DSA switch (rtl8366rb)
      - support bridge offload
      - support STP, fast aging, disabling address learning
      - support for Realtek RTL8365MB-VC, a 4+1 port 10M/100M/1GE switch

   - Mellanox Ethernet/IB switch (mlxsw)
      - multi-level qdisc hierarchy offload (e.g. RED, prio and shaping)
      - offload root TBF qdisc as port shaper
      - support multiple routing interface MAC address prefixes
      - support for IP-in-IP with IPv6 underlay

   - MediaTek WiFi (mt76)
      - mt7921 - ASPM, 6GHz, SDIO and testmode support
      - mt7915 - LED and TWT support

   - Qualcomm WiFi (ath11k)
      - include channel rx and tx time in survey dump statistics
      - support for 80P80 and 160 MHz bandwidths
      - support channel 2 in 6 GHz band
      - spectral scan support for QCN9074
      - support for rx decapsulation offload (data frames in 802.3
        format)

   - Qualcomm phone SoC WiFi (wcn36xx)
      - enable Idle Mode Power Save (IMPS) to reduce power consumption
        during idle

   - Bluetooth driver support for MediaTek MT7922 and MT7921

   - Enable support for AOSP Bluetooth extension in Qualcomm WCN399x and
     Realtek 8822C/8852A

   - Microsoft vNIC driver (mana)
      - support hibernation and kexec

   - Google vNIC driver (gve)
      - support for jumbo frames
      - implement Rx page reuse

  Refactor:

   - Make all writes to netdev->dev_addr go thru helpers, so that we can
     add this address to the address rbtree and handle the updates

   - Various TCP cleanups and optimizations including improvements to
     CPU cache use

   - Simplify the gnet_stats, Qdisc stats' handling and remove
     qdisc->running sequence counter

   - Driver changes and API updates to address devlink locking
     deficiencies"

* tag 'net-next-for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2122 commits)
  Revert "net: avoid double accounting for pure zerocopy skbs"
  selftests: net: add arp_ndisc_evict_nocarrier
  net: ndisc: introduce ndisc_evict_nocarrier sysctl parameter
  net: arp: introduce arp_evict_nocarrier sysctl parameter
  libbpf: Deprecate AF_XDP support
  kbuild: Unify options for BTF generation for vmlinux and modules
  selftests/bpf: Add a testcase for 64-bit bounds propagation issue.
  bpf: Fix propagation of signed bounds from 64-bit min/max into 32-bit.
  bpf: Fix propagation of bounds from 64-bit min/max into 32-bit and var_off.
  net: vmxnet3: remove multiple false checks in vmxnet3_ethtool.c
  net: avoid double accounting for pure zerocopy skbs
  tcp: rename sk_wmem_free_skb
  netdevsim: fix uninit value in nsim_drv_configure_vfs()
  selftests/bpf: Fix also no-alu32 strobemeta selftest
  bpf: Add missing map_delete_elem method to bloom filter map
  selftests/bpf: Add bloom map success test for userspace calls
  bpf: Add alignment padding for "map_extra" + consolidate holes
  bpf: Bloom filter map naming fixups
  selftests/bpf: Add test cases for struct_ops prog
  bpf: Add dummy BPF STRUCT_OPS for test purpose
  ...
2021-11-02 06:20:58 -07:00
Linus Torvalds bfc484fe6a Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
 "API:

   - Delay boot-up self-test for built-in algorithms

  Algorithms:

   - Remove fallback path on arm64 as SIMD now runs with softirq off

  Drivers:

   - Add Keem Bay OCS ECC Driver"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (61 commits)
  crypto: testmgr - fix wrong key length for pkcs1pad
  crypto: pcrypt - Delay write to padata->info
  crypto: ccp - Make use of the helper macro kthread_run()
  crypto: sa2ul - Use the defined variable to clean code
  crypto: s5p-sss - Add error handling in s5p_aes_probe()
  crypto: keembay-ocs-ecc - Add Keem Bay OCS ECC Driver
  dt-bindings: crypto: Add Keem Bay ECC bindings
  crypto: ecc - Export additional helper functions
  crypto: ecc - Move ecc.h to include/crypto/internal
  crypto: engine - Add KPP Support to Crypto Engine
  crypto: api - Do not create test larvals if manager is disabled
  crypto: tcrypt - fix skcipher multi-buffer tests for 1420B blocks
  hwrng: s390 - replace snprintf in show functions with sysfs_emit
  crypto: octeontx2 - set assoclen in aead_do_fallback()
  crypto: ccp - Fix whitespace in sev_cmd_buffer_len()
  hwrng: mtk - Force runtime pm ops for sleep ops
  crypto: testmgr - Only disable migration in crypto_disable_simd_for_test()
  crypto: qat - share adf_enable_pf2vf_comms() from adf_pf2vf_msg.c
  crypto: qat - extract send and wait from adf_vf2pf_request_version()
  crypto: qat - add VF and PF wrappers to common send function
  ...
2021-11-01 21:24:02 -07:00
Dmitry Osipenko 7ca81b690e dt-bindings: opp: Allow multi-worded OPP entry name
Not all OPP entries fit into a single word. In particular NVIDIA Tegra OPP
tables use multi-word names. Allow OPP entry to have multi-worded name
separated by hyphen. This silences DT checker warnings about wrong naming
scheme.

Reviewed-by: David Heidelberg <david@ixit.cz>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
2021-11-02 09:25:05 +05:30
Linus Torvalds 6fedc28076 RCU pull request for v5.16
This pull request contains the following branches:
 
 fixes.2021.10.07a: Miscellaneous fixes.
 
 scftorture.2021.09.16a: smp_call_function torture-test updates, most
 	notably better checking of module parameters.
 
 tasks.2021.09.15a: Tasks-trace RCU updates that fix a number of rare
 	but important race-condition bugs.
 
 torture.2021.09.13b: Other torture-test updates, most notably
 	better checking of module parameters.  In addition, rcutorture
 	may now be run on CONFIG_PREEMPT_RT kernels.
 
 torturescript.2021.09.16a: Torture-test scripting updates, most notably
 	specifying the new CONFIG_KCSAN_STRICT kconfig option rather
 	than maintaining an ever-changing list of individual KCSAN
 	kconfig options.
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Merge tag 'rcu.2021.11.01a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu

Pull RCU updates from Paul McKenney:

 - Miscellaneous fixes

 - Torture-test updates for smp_call_function(), most notably improved
   checking of module parameters.

 - Tasks-trace RCU updates that fix a number of rare but important
   race-condition bugs.

 - Other torture-test updates, most notably better checking of module
   parameters. In addition, rcutorture may once again be run on
   CONFIG_PREEMPT_RT kernels.

 - Torture-test scripting updates, most notably specifying the new
   CONFIG_KCSAN_STRICT kconfig option rather than maintaining an
   ever-changing list of individual KCSAN kconfig options.

* tag 'rcu.2021.11.01a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (46 commits)
  rcu: Fix rcu_dynticks_curr_cpu_in_eqs() vs noinstr
  rcu: Always inline rcu_dynticks_task*_{enter,exit}()
  torture: Make kvm-remote.sh print size of downloaded tarball
  torture: Allot 1G of memory for scftorture runs
  tools/rcu: Add an extract-stall script
  scftorture: Warn on individual scf_torture_init() error conditions
  scftorture: Count reschedule IPIs
  scftorture: Account for weight_resched when checking for all zeroes
  scftorture: Shut down if nonsensical arguments given
  scftorture: Allow zero weight to exclude an smp_call_function*() category
  rcu: Avoid unneeded function call in rcu_read_unlock()
  rcu-tasks: Update comments to cond_resched_tasks_rcu_qs()
  rcu-tasks: Fix IPI failure handling in trc_wait_for_one_reader
  rcu-tasks: Fix read-side primitives comment for call_rcu_tasks_trace
  rcu-tasks: Clarify read side section info for rcu_tasks_rude GP primitives
  rcu-tasks: Correct comparisons for CPU numbers in show_stalled_task_trace
  rcu-tasks: Correct firstreport usage in check_all_holdout_tasks_trace
  rcu-tasks: Fix s/rcu_add_holdout/trc_add_holdout/ typo in comment
  rcu-tasks: Move RTGS_WAIT_CBS to beginning of rcu_tasks_kthread() loop
  rcu-tasks: Fix s/instruction/instructions/ typo in comment
  ...
2021-11-01 20:25:38 -07:00
Linus Torvalds 79ef0c0014 Tracing updates for 5.16:
- kprobes: Restructured stack unwinder to show properly on x86 when a stack
   dump happens from a kretprobe callback.
 
 - Fix to bootconfig parsing
 
 - Have tracefs allow owner and group permissions by default (only denying
   others). There's been pressure to allow non root to tracefs in a
   controlled fashion, and using groups is probably the safest.
 
 - Bootconfig memory managament updates.
 
 - Bootconfig clean up to have the tools directory be less dependent on
   changes in the kernel tree.
 
 - Allow perf to be traced by function tracer.
 
 - Rewrite of function graph tracer to be a callback from the function tracer
   instead of having its own trampoline (this change will happen on an arch
   by arch basis, and currently only x86_64 implements it).
 
 - Allow multiple direct trampolines (bpf hooks to functions) be batched
   together in one synchronization.
 
 - Allow histogram triggers to add variables that can perform calculations
   against the event's fields.
 
 - Use the linker to determine architecture callbacks from the ftrace
   trampoline to allow for proper parameter prototypes and prevent warnings
   from the compiler.
 
 - Extend histogram triggers to key off of variables.
 
 - Have trace recursion use bit magic to determine preempt context over if
   branches.
 
 - Have trace recursion disable preemption as all use cases do anyway.
 
 - Added testing for verification of tracing utilities.
 
 - Various small clean ups and fixes.
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Merge tag 'trace-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing updates from Steven Rostedt:

 - kprobes: Restructured stack unwinder to show properly on x86 when a
   stack dump happens from a kretprobe callback.

 - Fix to bootconfig parsing

 - Have tracefs allow owner and group permissions by default (only
   denying others). There's been pressure to allow non root to tracefs
   in a controlled fashion, and using groups is probably the safest.

 - Bootconfig memory managament updates.

 - Bootconfig clean up to have the tools directory be less dependent on
   changes in the kernel tree.

 - Allow perf to be traced by function tracer.

 - Rewrite of function graph tracer to be a callback from the function
   tracer instead of having its own trampoline (this change will happen
   on an arch by arch basis, and currently only x86_64 implements it).

 - Allow multiple direct trampolines (bpf hooks to functions) be batched
   together in one synchronization.

 - Allow histogram triggers to add variables that can perform
   calculations against the event's fields.

 - Use the linker to determine architecture callbacks from the ftrace
   trampoline to allow for proper parameter prototypes and prevent
   warnings from the compiler.

 - Extend histogram triggers to key off of variables.

 - Have trace recursion use bit magic to determine preempt context over
   if branches.

 - Have trace recursion disable preemption as all use cases do anyway.

 - Added testing for verification of tracing utilities.

 - Various small clean ups and fixes.

* tag 'trace-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (101 commits)
  tracing/histogram: Fix semicolon.cocci warnings
  tracing/histogram: Fix documentation inline emphasis warning
  tracing: Increase PERF_MAX_TRACE_SIZE to handle Sentinel1 and docker together
  tracing: Show size of requested perf buffer
  bootconfig: Initialize ret in xbc_parse_tree()
  ftrace: do CPU checking after preemption disabled
  ftrace: disable preemption when recursion locked
  tracing/histogram: Document expression arithmetic and constants
  tracing/histogram: Optimize division by a power of 2
  tracing/histogram: Covert expr to const if both operands are constants
  tracing/histogram: Simplify handling of .sym-offset in expressions
  tracing: Fix operator precedence for hist triggers expression
  tracing: Add division and multiplication support for hist triggers
  tracing: Add support for creating hist trigger variables from literal
  selftests/ftrace: Stop tracing while reading the trace file by default
  MAINTAINERS: Update KPROBES and TRACING entries
  test_kprobes: Move it from kernel/ to lib/
  docs, kprobes: Remove invalid URL and add new reference
  samples/kretprobes: Fix return value if register_kretprobe() failed
  lib/bootconfig: Fix the xbc_get_info kerneldoc
  ...
2021-11-01 20:05:19 -07:00
Jakub Kicinski b7b98f8689 Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Alexei Starovoitov says:

====================
pull-request: bpf-next 2021-11-01

We've added 181 non-merge commits during the last 28 day(s) which contain
a total of 280 files changed, 11791 insertions(+), 5879 deletions(-).

The main changes are:

1) Fix bpf verifier propagation of 64-bit bounds, from Alexei.

2) Parallelize bpf test_progs, from Yucong and Andrii.

3) Deprecate various libbpf apis including af_xdp, from Andrii, Hengqi, Magnus.

4) Improve bpf selftests on s390, from Ilya.

5) bloomfilter bpf map type, from Joanne.

6) Big improvements to JIT tests especially on Mips, from Johan.

7) Support kernel module function calls from bpf, from Kumar.

8) Support typeless and weak ksym in light skeleton, from Kumar.

9) Disallow unprivileged bpf by default, from Pawan.

10) BTF_KIND_DECL_TAG support, from Yonghong.

11) Various bpftool cleanups, from Quentin.

* https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (181 commits)
  libbpf: Deprecate AF_XDP support
  kbuild: Unify options for BTF generation for vmlinux and modules
  selftests/bpf: Add a testcase for 64-bit bounds propagation issue.
  bpf: Fix propagation of signed bounds from 64-bit min/max into 32-bit.
  bpf: Fix propagation of bounds from 64-bit min/max into 32-bit and var_off.
  selftests/bpf: Fix also no-alu32 strobemeta selftest
  bpf: Add missing map_delete_elem method to bloom filter map
  selftests/bpf: Add bloom map success test for userspace calls
  bpf: Add alignment padding for "map_extra" + consolidate holes
  bpf: Bloom filter map naming fixups
  selftests/bpf: Add test cases for struct_ops prog
  bpf: Add dummy BPF STRUCT_OPS for test purpose
  bpf: Factor out helpers for ctx access checking
  bpf: Factor out a helper to prepare trampoline for struct_ops prog
  selftests, bpf: Fix broken riscv build
  riscv, libbpf: Add RISC-V (RV64) support to bpf_tracing.h
  tools, build: Add RISC-V to HOSTARCH parsing
  riscv, bpf: Increase the maximum number of iterations
  selftests, bpf: Add one test for sockmap with strparser
  selftests, bpf: Fix test_txmsg_ingress_parser error
  ...
====================

Link: https://lore.kernel.org/r/20211102013123.9005-1-alexei.starovoitov@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-11-01 19:59:46 -07:00
James Prestwood 18ac597af2 net: ndisc: introduce ndisc_evict_nocarrier sysctl parameter
In most situations the neighbor discovery cache should be cleared on a
NOCARRIER event which is currently done unconditionally. But for wireless
roams the neighbor discovery cache can and should remain intact since
the underlying network has not changed.

This patch introduces a sysctl option ndisc_evict_nocarrier which can
be disabled by a wireless supplicant during a roam. This allows packets
to be sent after a roam immediately without having to wait for
neighbor discovery.

A user reported roughly a 1 second delay after a roam before packets
could be sent out (note, on IPv4). This delay was due to the ARP
cache being cleared. During testing of this same scenario using IPv6
no delay was noticed, but regardless there is no reason to clear
the ndisc cache for wireless roams.

Signed-off-by: James Prestwood <prestwoj@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-11-01 19:57:14 -07:00
James Prestwood fcdb44d08a net: arp: introduce arp_evict_nocarrier sysctl parameter
This change introduces a new sysctl parameter, arp_evict_nocarrier.
When set (default) the ARP cache will be cleared on a NOCARRIER event.
This new option has been defaulted to '1' which maintains existing
behavior.

Clearing the ARP cache on NOCARRIER is relatively new, introduced by:

commit 859bd2ef1f
Author: David Ahern <dsahern@gmail.com>
Date:   Thu Oct 11 20:33:49 2018 -0700

    net: Evict neighbor entries on carrier down

The reason for this changes is to prevent the ARP cache from being
cleared when a wireless device roams. Specifically for wireless roams
the ARP cache should not be cleared because the underlying network has not
changed. Clearing the ARP cache in this case can introduce significant
delays sending out packets after a roam.

A user reported such a situation here:

https://lore.kernel.org/linux-wireless/CACsRnHWa47zpx3D1oDq9JYnZWniS8yBwW1h0WAVZ6vrbwL_S0w@mail.gmail.com/

After some investigation it was found that the kernel was holding onto
packets until ARP finished which resulted in this 1 second delay. It
was also found that the first ARP who-has was never responded to,
which is actually what caues the delay. This change is more or less
working around this behavior, but again, there is no reason to clear
the cache on a roam anyways.

As for the unanswered who-has, we know the packet made it OTA since
it was seen while monitoring. Why it never received a response is
unknown. In any case, since this is a problem on the AP side of things
all that can be done is to work around it until it is solved.

Some background on testing/reproducing the packet delay:

Hardware:
 - 2 access points configured for Fast BSS Transition (Though I don't
   see why regular reassociation wouldn't have the same behavior)
 - Wireless station running IWD as supplicant
 - A device on network able to respond to pings (I used one of the APs)

Procedure:
 - Connect to first AP
 - Ping once to establish an ARP entry
 - Start a tcpdump
 - Roam to second AP
 - Wait for operstate UP event, and note the timestamp
 - Start pinging

Results:

Below is the tcpdump after UP. It was recorded the interface went UP at
10:42:01.432875.

10:42:01.461871 ARP, Request who-has 192.168.254.1 tell 192.168.254.71, length 28
10:42:02.497976 ARP, Request who-has 192.168.254.1 tell 192.168.254.71, length 28
10:42:02.507162 ARP, Reply 192.168.254.1 is-at ac:86:74:55:b0:20, length 46
10:42:02.507185 IP 192.168.254.71 > 192.168.254.1: ICMP echo request, id 52792, seq 1, length 64
10:42:02.507205 IP 192.168.254.71 > 192.168.254.1: ICMP echo request, id 52792, seq 2, length 64
10:42:02.507212 IP 192.168.254.71 > 192.168.254.1: ICMP echo request, id 52792, seq 3, length 64
10:42:02.507219 IP 192.168.254.71 > 192.168.254.1: ICMP echo request, id 52792, seq 4, length 64
10:42:02.507225 IP 192.168.254.71 > 192.168.254.1: ICMP echo request, id 52792, seq 5, length 64
10:42:02.507232 IP 192.168.254.71 > 192.168.254.1: ICMP echo request, id 52792, seq 6, length 64
10:42:02.515373 IP 192.168.254.1 > 192.168.254.71: ICMP echo reply, id 52792, seq 1, length 64
10:42:02.521399 IP 192.168.254.1 > 192.168.254.71: ICMP echo reply, id 52792, seq 2, length 64
10:42:02.521612 IP 192.168.254.1 > 192.168.254.71: ICMP echo reply, id 52792, seq 3, length 64
10:42:02.521941 IP 192.168.254.1 > 192.168.254.71: ICMP echo reply, id 52792, seq 4, length 64
10:42:02.522419 IP 192.168.254.1 > 192.168.254.71: ICMP echo reply, id 52792, seq 5, length 64
10:42:02.523085 IP 192.168.254.1 > 192.168.254.71: ICMP echo reply, id 52792, seq 6, length 64

You can see the first ARP who-has went out very quickly after UP, but
was never responded to. Nearly a second later the kernel retries and
gets a response. Only then do the ping packets go out. If an ARP entry
is manually added prior to UP (after the cache is cleared) it is seen
that the first ping is never responded to, so its not only an issue with
ARP but with data packets in general.

As mentioned prior, the wireless interface was also monitored to verify
the ping/ARP packet made it OTA which was observed to be true.

Signed-off-by: James Prestwood <prestwoj@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-11-01 19:57:14 -07:00
Linus Torvalds d54f486035 hwmon updates for v5.16-rc1
New drivers:
 - Maxim MAX6620
 
 Notable functional enhancements:
 - Add Asus WMI support to nct6775 driver, and list boards supporting it
 - Move TMP461 support from tm401 driver to lm90 driver
 - Add support for fanX_min, fanX_max and fanX_target to dell-smm driver,
   and clean it up while doing so
 - Extend mlxreg-fan driver to support multiple cooling devices and
   multiple PWM channels. Also increase number of supported fan tachometers.
 - Add a new customer ID (for ASRock) to nct6683 driver
 - Make temperature/voltage sensors on nct7802 configurable
 - Add mfg_id debugfs entry to pmbus/ibm-cffps driver
 - Support configurable sense resistor values in pmbus/lm25066,
   and fix various coefficients
 - Use generic notification mechanism in raspberrypi driver
 
 Notable cleanup:
 - Convert various devicetree bindings to dtschema, and add missing bindings
 - Convert i5500_temp and tmp103 drivers to devm_hwmon_device_register_with_info
 - Clean up non-bool "valid" data fields
 - Improve devicetree configurability for tmp421 driver
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Merge tag 'hwmon-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:
 "New driver:

   - Maxim MAX6620

  Notable functional enhancements:

   - Add Asus WMI support to nct6775 driver, and list boards supporting
     it

   - Move TMP461 support from tm401 driver to lm90 driver

   - Add support for fanX_min, fanX_max and fanX_target to dell-smm
     driver, and clean it up while doing so

   - Extend mlxreg-fan driver to support multiple cooling devices and
     multiple PWM channels. Also increase number of supported fan
     tachometers.

   - Add a new customer ID (for ASRock) to nct6683 driver

   - Make temperature/voltage sensors on nct7802 configurable

   - Add mfg_id debugfs entry to pmbus/ibm-cffps driver

   - Support configurable sense resistor values in pmbus/lm25066, and
     fix various coefficients

   - Use generic notification mechanism in raspberrypi driver

  Notable cleanups:

   - Convert various devicetree bindings to dtschema, and add missing
     bindings

   - Convert i5500_temp and tmp103 drivers to
     devm_hwmon_device_register_with_info

   - Clean up non-bool "valid" data fields

   - Improve devicetree configurability for tmp421 driver"

* tag 'hwmon-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (73 commits)
  hwmon: (nct7802) Add of_node_put() before return
  hwmon: (tmp401) Drop support for TMP461
  hwmon: (lm90) Add basic support for TI TMP461
  hwmon: (lm90) Introduce flag indicating extended temperature support
  hwmon: (nct6775) add ProArt X570-CREATOR WIFI.
  hwmon: (nct7802) Make temperature/voltage sensors configurable
  dt-bindings: hwmon: Add nct7802 bindings
  hwmon: (dell-smm) Speed up setting of fan speed
  hwmon: (dell-smm) Add comment explaining usage of i8k_config_data[]
  hwmon: (dell-smm) Return -ENOIOCTLCMD instead of -EINVAL
  hwmon: (dell-smm) Use strscpy_pad()
  hwmon: (dell-smm) Sort includes in alphabetical order
  hwmon: (tmp421) Add of_node_put() before return
  hwmon: (max31722) Warn about failure to put device in stand-by in .remove()
  hwmon: (acpi_power_meter) Use acpi_bus_get_acpi_device()
  hwmon: (dell-smm) Add support for fanX_min, fanX_max and fanX_target
  dt-bindings: hwmon: allow specifying channels for tmp421
  hwmon: (tmp421) ignore non-channel related DT nodes
  hwmon: (tmp421) update documentation
  hwmon: (tmp421) support HWMON_T_ENABLE
  ...
2021-11-01 19:16:49 -07:00
Linus Torvalds 2019295c9e spi: Updates for v5.16
This is quite a quiet release for SPI, there's been a bit of cleanup to
 the core from Uwe but nothing functionality wise.  We have added several
 new drivers, Cadence XSPI, Ingenic JZ47xx, Qualcomm SC7280 and SC7180
 and Xilinx Versal OSPI.
 
 There's a trivial conflict in the Tegra driver that's been causing
 issues.
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Merge tag 'spi-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "This is quite a quiet release for SPI, there's been a bit of cleanup
  to the core from Uwe but nothing functionality wise.

  We have added several new drivers, Cadence XSPI, Ingenic JZ47xx,
  Qualcomm SC7280 and SC7180 and Xilinx Versal OSPI"

* tag 'spi-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (41 commits)
  spi: Convert NXP flexspi to json schema
  spi: spi-geni-qcom: Add support for GPI dma
  spi: fsi: Fix contention in the FSI2SPI engine
  spi: spi-rpc-if: Check return value of rpcif_sw_init()
  spi: tegra210-quad: Put device into suspend on driver removal
  spi: tegra20-slink: Put device into suspend on driver removal
  spi: bcm-qspi: Fix missing clk_disable_unprepare() on error in bcm_qspi_probe()
  spi: at91-usart: replacing legacy gpio interface for gpiod
  spi: replace snprintf in show functions with sysfs_emit
  spi: cadence: Add of_node_put() before return
  spi: orion: Add of_node_put() before goto
  spi: cadence-quadspi: fix dma_unmap_single() call
  spi: tegra20: fix build with CONFIG_PM_SLEEP=n
  spi: bcm-qspi: add support for 3-wire mode for half duplex transfer
  spi: bcm-qspi: Add mspi spcr3 32/64-bits xfer mode
  spi: Make several public functions private to spi.c
  spi: Reorder functions to simplify the next commit
  spi: Remove unused function spi_busnum_to_master()
  spi: Move comment about chipselect check to the right place
  spi: fsi: Print status on error
  ...
2021-11-01 19:09:04 -07:00
Linus Torvalds 1260d242d9 regulator: Updates for v5.16
Thanks to the removal of the unused TPS80021 driver the regulator
 updates for this cycle actually have a negative diffstat.  Otherwise
 it's been quite a quiet release, lots of fixes and small improvements
 with the biggest individual changes being several conversions of DT
 bindings to YAML format.
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Merge tag 'regulator-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "Thanks to the removal of the unused TPS80021 driver the regulator
  updates for this cycle actually have a negative diffstat.

  Otherwise it's been quite a quiet release, lots of fixes and small
  improvements with the biggest individual changes being several
  conversions of DT bindings to YAML format"

* tag 'regulator-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (34 commits)
  regulator: Don't error out fixed regulator in regulator_sync_voltage()
  regulator: tps80031: Remove driver
  regulator: Fix SY7636A breakage
  regulator: uniphier: Add binding for NX1 SoC
  regulator: uniphier: Add USB-VBUS compatible string for NX1 SoC
  regulator: qcom,rpmh: Add compatible for PM6350
  regulator: qcom-rpmh: Add PM6350 regulators
  regulator: sy7636a: Remove requirement on sy7636a mfd
  regulator: tps62360: replacing legacy gpio interface for gpiod
  regulator: lp872x: Remove lp872x_dvs_state
  regulator: lp872x: replacing legacy gpio interface for gpiod
  regulator: dt-bindings: samsung,s5m8767: convert to dtschema
  regulator: dt-bindings: samsung,s2mpa01: convert to dtschema
  regulator: dt-bindings: samsung,s2m: convert to dtschema
  dt-bindings: clock: samsung,s2mps11: convert to dtschema
  regulator: dt-bindings: samsung,s5m8767: correct s5m8767,pmic-buck-default-dvs-idx property
  regulator: s5m8767: do not use reset value as DVS voltage if GPIO DVS is disabled
  regulator: dt-bindings: maxim,max8973: convert to dtschema
  regulator: dt-bindings: maxim,max8997: convert to dtschema
  regulator: dt-bindings: maxim,max8952: convert to dtschema
  ...
2021-11-01 19:04:47 -07:00
Linus Torvalds 247ee3e7b7 - qcom: add support for qcm2290
consolidate msm8994 type apcs_data
 - mtk: fix clock id usage
 - apple: add driver for ASC/M3 controllers
 - pcc: reorganise PCC pcc_mbox_request_channel
        add support for PCCT extended PCC subspaces
 - misc: make use of devm_platform_ioremap_resource()
        change Altera, PCC and Apple mailbox maintainers
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Merge tag 'mailbox-v5.16' of git://git.linaro.org/landing-teams/working/fujitsu/integration

Pull mailbox updates from Jassi Brar:
 "qcom:
   - add support for qcm2290
   - consolidate msm8994 type apcs_data

  mtk:
   - fix clock id usage

  apple:
   - add driver for ASC/M3 controllers

  pcc:
   - reorganise PCC pcc_mbox_request_channel
   - add support for PCCT extended PCC subspaces

  misc:
   - make use of devm_platform_ioremap_resource()
   - change Altera, PCC and Apple mailbox maintainers"

* tag 'mailbox-v5.16' of git://git.linaro.org/landing-teams/working/fujitsu/integration: (38 commits)
  mailbox: imx: support i.MX8ULP S4 MU
  dt-bindings: mailbox: imx-mu: add i.MX8ULP S400 MU support
  ACPI/PCC: Add maintainer for PCC mailbox driver
  mailbox: pcc: Move bulk of PCCT parsing into pcc_mbox_probe
  mailbox: pcc: Add support for PCCT extended PCC subspaces(type 3/4)
  mailbox: pcc: Drop handling invalid bit-width in {read,write}_register
  mailbox: pcc: Avoid accessing PCCT table in pcc_send_data and pcc_mbox_irq
  mailbox: pcc: Add PCC register bundle and associated accessor functions
  mailbox: pcc: Rename doorbell ack to platform interrupt ack register
  mailbox: pcc: Use PCC mailbox channel pointer instead of standard
  mailbox: pcc: Add pcc_mbox_chan structure to hold shared memory region info
  mailbox: pcc: Consolidate subspace doorbell register parsing
  mailbox: pcc: Consolidate subspace interrupt information parsing
  mailbox: pcc: Refactor all PCC channel information into a structure
  mailbox: pcc: Fix kernel doc warnings
  mailbox: apple: Add driver for Apple mailboxes
  dt-bindings: mailbox: Add Apple mailbox bindings
  MAINTAINERS: Add Apple mailbox files
  mailbox: mtk-cmdq: Fix local clock ID usage
  mailbox: mtk-cmdq: Validate alias_id on probe
  ...
2021-11-01 18:58:13 -07:00
Linus Torvalds 8a73c77c80 MMC core:
- Update maintainer and URL for the mmc-utils
  - Set default label for slot-gpio in case of no con-id
  - Convert MMC card DT bindings to a schema
  - Add optional host specific tuning support for eMMC HS400
  - Add error handling of add_disk()
 
 MMC host:
  - mtk-sd: Add host specific tuning support for eMMC HS400
  - mtk-sd: Make DMA handling more robust
  - dw_mmc: Prevent hangs for some data writes
  - dw_mmc: Move away from using the ->init_card() callback
  - mxs-mmc: Manage the regulator in the error path and in ->remove()
  - sdhci-cadence: Add support for the Microchip MPFS variant
  - sdhci-esdhc-imx: Add support for the NXP S32G2 variant
  - sdhci-of-arasan: Add support for the Intel Thunder Bay variant
  - sdhci-omap: Prepare to support more SoCs
  - sdhci-omap: Add support for omap3 and omap4 variants
  - sdhci-omap: Add support for power management
  - sdhci-omap: Add support for system wakeups
  - sdhci-msm: Add support for the msm8226 variant
  - sdhci-sprd: Verify that the DLL locks according to spec
 
 MEMSTICK:
  - Add error handling of add_disk()
  - A couple of small fixes and improvements
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Merge tag 'mmc-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC and MEMSTICK updates from Ulf Hansson:
 "MMC core:
   - Update maintainer and URL for the mmc-utils
   - Set default label for slot-gpio in case of no con-id
   - Convert MMC card DT bindings to a schema
   - Add optional host specific tuning support for eMMC HS400
   - Add error handling of add_disk()

  MMC host:
   - mtk-sd: Add host specific tuning support for eMMC HS400
   - mtk-sd: Make DMA handling more robust
   - dw_mmc: Prevent hangs for some data writes
   - dw_mmc: Move away from using the ->init_card() callback
   - mxs-mmc: Manage the regulator in the error path and in ->remove()
   - sdhci-cadence: Add support for the Microchip MPFS variant
   - sdhci-esdhc-imx: Add support for the NXP S32G2 variant
   - sdhci-of-arasan: Add support for the Intel Thunder Bay variant
   - sdhci-omap: Prepare to support more SoCs
   - sdhci-omap: Add support for omap3 and omap4 variants
   - sdhci-omap: Add support for power management
   - sdhci-omap: Add support for system wakeups
   - sdhci-msm: Add support for the msm8226 variant
   - sdhci-sprd: Verify that the DLL locks according to spec

  MEMSTICK:
   - Add error handling of add_disk()
   - A couple of small fixes and improvements"

* tag 'mmc-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (60 commits)
  docs: mmc: update maintainer name and URL
  mmc: dw_mmc: exynos: Fix spelling mistake "candiates" -> candidates
  MAINTAINERS: drop obsolete file pattern in SDHCI DRIVER section
  mmc: sdhci-esdhc-imx: add NXP S32G2 support
  dt-bindings: mmc: fsl-imx-esdhc: add NXP S32G2 support
  mmc: dw_mmc: Drop use of ->init_card() callback
  mmc: sdhci-omap: Fix build if CONFIG_PM_SLEEP is not set
  mmc: sdhci-omap: Remove forward declaration of sdhci_omap_context_save()
  memstick: r592: Fix a UAF bug when removing the driver
  mmc: mxs-mmc: disable regulator on error and in the remove function
  mmc: sdhci-omap: Configure optional wakeirq
  mmc: sdhci-omap: Allow SDIO card power off and enable aggressive PM
  mmc: sdhci-omap: Implement PM runtime functions
  mmc: sdhci-omap: Add omap_offset to support omap3 and earlier
  mmc: sdhci-omap: Handle voltages to add support omap4
  dt-bindings: sdhci-omap: Update binding for legacy SoCs
  mmc: sdhci-pci: Remove dead code (rst_n_gpio et al)
  mmc: sdhci-pci: Remove dead code (cd_gpio, cd_irq et al)
  mmc: sdhci-pci: Remove dead code (struct sdhci_pci_data et al)
  mmc: sdhci: Remove unused prototype declaration in the header
  ...
2021-11-01 18:55:12 -07:00
Linus Torvalds 316b7eaa93 Updates for the IPMI driver
A new type of low-level IPMI driver is added for direct communication
 over the IPMI message bus without a BMC between the driver and the bus.
 
 Other than that, lots of little bug fixes and enhancements.
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Merge tag 'for-linus-5.16-1' of https://github.com/cminyard/linux-ipmi

Pull IPMI driver updates from Corey Minyard:
 "A new type of low-level IPMI driver is added for direct communication
  over the IPMI message bus without a BMC between the driver and the
  bus.

  Other than that, lots of little bug fixes and enhancements"

* tag 'for-linus-5.16-1' of https://github.com/cminyard/linux-ipmi:
  ipmi: kcs_bmc: Fix a memory leak in the error handling path of 'kcs_bmc_serio_add_device()'
  char: ipmi: replace snprintf in show functions with sysfs_emit
  ipmi: ipmb: fix dependencies to eliminate build error
  ipmi:ipmb: Add OF support
  ipmi: bt: Add ast2600 compatible string
  ipmi: bt-bmc: Use registers directly
  ipmi: ipmb: Fix off-by-one size check on rcvlen
  ipmi:ssif: Use depends on, not select, for I2C
  ipmi: Add docs for the IPMI IPMB driver
  ipmi: Add docs for IPMB direct addressing
  ipmi:ipmb: Add initial support for IPMI over IPMB
  ipmi: Add support for IPMB direct messages
  ipmi: Export ipmb_checksum()
  ipmi: Fix a typo
  ipmi: Check error code before processing BMC response
  ipmi:devintf: Return a proper error when recv buffer too small
  ipmi: Disable some operations during a panic
  ipmi:watchdog: Set panic count to proper value on a panic
2021-11-01 18:53:03 -07:00
Linus Torvalds 73d21a3579 media updates for v5.16-rc1
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Merge tag 'media/v5.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - New driver for SK Hynix Hi-846 8M pixel camera

 - New driver for the ov13b10 camera

 - New driver for Renesas R-Car ISP

 - mtk-vcodec gained support for version 2 of decoder firmware ABI

 - The legacy sir_ir driver got removed

 - videobuf2: the vb2_mem_ops kAPI had some improvements

 - lots of cleanups, fixes and new features at device drivers

* tag 'media/v5.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (328 commits)
  media: venus: core: Add sdm660 DT compatible and resource struct
  media: dt-bindings: media: venus: Add sdm660 dt schema
  media: venus: vdec: decoded picture buffer handling during reconfig sequence
  media: venus: Handle fatal errors during encoding and decoding
  media: venus: helpers: Add helper to mark fatal vb2 error
  media: venus: hfi: Check for sys error on session hfi functions
  media: venus: Make sys_error flag an atomic bitops
  media: venus: venc: Use pmruntime autosuspend
  media: allegro: write vui parameters for HEVC
  media: allegro: nal-hevc: implement generator for vui
  media: allegro: write correct colorspace into SPS
  media: allegro: extract nal value lookup functions to header
  media: allegro: correctly scale the bit rate in SPS
  media: allegro: remove external QP table
  media: allegro: fix row and column in response message
  media: allegro: add control to disable encoder buffer
  media: allegro: add encoder buffer support
  media: allegro: add pm_runtime support
  media: allegro: lookup VCU settings
  media: allegro: fix module removal if initialization failed
  ...
2021-11-01 18:45:08 -07:00
Geert Uytterhoeven 4c7a7d5086 dt-bindings: net: ti,bluetooth: Document default max-speed
Document the default value of max-speed, as used by
linux/drivers/bluetooth/hci_ll.c.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: David Lechner <david@lechnology.com>
Link: https://lore.kernel.org/r/0c6a08c714aeb6dd96b5a54a45b0b5b1cfb49ad1.1635338283.git.geert+renesas@glider.be
Signed-off-by: Rob Herring <robh@kernel.org>
2021-11-01 20:33:57 -05:00
Yuya Hamamachi 6162c4a511 dt-bindings: pci: rcar-pci-ep: Document r8a7795
Document the support for R-Car PCIe EP on R8A7795 SoC device.

Signed-off-by: Yuya Hamamachi <yuya.hamamachi.sx@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Krzysztof Wilczyński <kw@linux.com>
Link: https://lore.kernel.org/r/e4acfe90021e45658e82ed042746707ace208a93.1635337518.git.geert+renesas@glider.be
Signed-off-by: Rob Herring <robh@kernel.org>
2021-11-01 20:33:56 -05:00
David Heidelberg 950d566f0d dt-bindings: net: qcom,ipa: IPA does support up to two iommus
Fix warnings as:
arch/arm/boot/dts/qcom-sdx55-mtp.dt.yaml: ipa@1e40000: iommus: [[21, 1504, 0], [21, 1506, 0]] is too long
	From schema: Documentation/devicetree/bindings/net/qcom,ipa.yaml

Signed-off-by: David Heidelberg <david@ixit.cz>
Reviewed-by: Alex Elder <elder@linaro.org>
Link: https://lore.kernel.org/r/20211026163240.131052-1-david@ixit.cz
Signed-off-by: Rob Herring <robh@kernel.org>
2021-11-01 20:33:56 -05:00
Kalesh Singh 0ca6d12c97 tracing/histogram: Update division by 0 documentation
If the divisor is a constant and zero, the undeifned case can be
detected and an error returned instead of -1.

Link: https://lkml.kernel.org/r/20211029183339.3216491-3-kaleshsingh@google.com

Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Tom Zanussi <zanussi@kernel.org>
Signed-off-by: Kalesh Singh <kaleshsingh@google.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2021-11-01 20:46:29 -04:00
Linus Torvalds a5a9e00605 seccomp updates for v5.16-rc1
- set spec_store_bypass_disable & spectre_v2_user to prctl (Andrea Arcangeli)
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Merge tag 'seccomp-v5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull seccomp updates from Kees Cook:
 "These are x86-specific, but I carried these since they're also
  seccomp-specific.

  This flips the defaults for spec_store_bypass_disable and
  spectre_v2_user from "seccomp" to "prctl", as enough time has passed
  to allow system owners to have updated the defensive stances of their
  various workloads, and it's long overdue to unpessimize seccomp
  threads.

  Extensive rationale and details are in Andrea's main patch.

  Summary:

   - set spec_store_bypass_disable & spectre_v2_user to prctl (Andrea Arcangeli)"

* tag 'seccomp-v5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  x86: deduplicate the spectre_v2_user documentation
  x86: change default to spec_store_bypass_disable=prctl spectre_v2_user=prctl
2021-11-01 17:25:09 -07:00
Linus Torvalds f594e28d80 compiler hardening updates for v5.16-rc1
This collects various compiler hardening feature related updates:
 
 - gcc-plugins:
   - remove support for GCC 4.9 and older (Ard Biesheuvel)
   - remove duplicate include in gcc-common.h (Ye Guojin)
   - Explicitly document purpose and deprecation schedule (Kees Cook)
   - Remove cyc_complexity (Kees Cook)
 
 - instrumentation:
   - Avoid harmless Clang option under CONFIG_INIT_STACK_ALL_ZERO (Kees Cook)
 
 - Clang LTO:
   - kallsyms: strip LTO suffixes from static functions (Nick Desaulniers)
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Merge tag 'hardening-v5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull compiler hardening updates from Kees Cook:
 "These are various compiler-related hardening feature updates. Notable
  is the addition of an explicit limited rationale for, and deprecation
  schedule of, gcc-plugins.

  gcc-plugins:
   - remove support for GCC 4.9 and older (Ard Biesheuvel)
   - remove duplicate include in gcc-common.h (Ye Guojin)
   - Explicitly document purpose and deprecation schedule (Kees Cook)
   - Remove cyc_complexity (Kees Cook)

  instrumentation:
   - Avoid harmless Clang option under CONFIG_INIT_STACK_ALL_ZERO (Kees Cook)

  Clang LTO:
   - kallsyms: strip LTO suffixes from static functions (Nick Desaulniers)"

* tag 'hardening-v5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  gcc-plugins: remove duplicate include in gcc-common.h
  gcc-plugins: Remove cyc_complexity
  gcc-plugins: Explicitly document purpose and deprecation schedule
  kallsyms: strip LTO suffixes from static functions
  gcc-plugins: remove support for GCC 4.9 and older
  hardening: Avoid harmless Clang option under CONFIG_INIT_STACK_ALL_ZERO
2021-11-01 17:09:03 -07:00
Linus Torvalds 552ebfe022 parisc architecture updates for kernel v5.16-rc1
Lots of new features and fixes:
 * Added TOC (table of content) support, which is a debugging feature which is
   either initiated by pressing the TOC button or via command in the BMC. If
   pressed the Linux built-in KDB/KGDB will be called (Sven Schnelle)
 * Fix CONFIG_PREEMPT (Sven)
 * Fix unwinder on 64-bit kernels (Sven)
 * Various kgdb fixes (Sven)
 * Added KFENCE support (me)
 * Switch to ARCH_STACKWALK implementation (me)
 * Fix ptrace check on syscall return (me)
 * Fix kernel crash with fixmaps on PA1.x machines (me)
 * Move thread_info into task struct, aka CONFIG_THREAD_INFO_IN_TASK (me)
 * Updated defconfigs
 * Smaller cleanups, including Makefile cleanups (Masahiro Yamada),
   use kthread_run() macro (Cai Huoqing), use swap() macro (Yihao Han).
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Merge tag 'for-5.16/parisc-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux

Pull parisc updates from Helge Deller:
 "Lots of new features and fixes:

   - Added TOC (table of content) support, which is a debugging feature
     which is either initiated by pressing the TOC button or via command
     in the BMC. If pressed the Linux built-in KDB/KGDB will be called
     (Sven Schnelle)

   - Fix CONFIG_PREEMPT (Sven)

   - Fix unwinder on 64-bit kernels (Sven)

   - Various kgdb fixes (Sven)

   - Added KFENCE support (me)

   - Switch to ARCH_STACKWALK implementation (me)

   - Fix ptrace check on syscall return (me)

   - Fix kernel crash with fixmaps on PA1.x machines (me)

   - Move thread_info into task struct, aka CONFIG_THREAD_INFO_IN_TASK
     (me)

   - Updated defconfigs

   - Smaller cleanups, including Makefile cleanups (Masahiro Yamada),
     use kthread_run() macro (Cai Huoqing), use swap() macro (Yihao
     Han)"

* tag 'for-5.16/parisc-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: (36 commits)
  parisc: Fix set_fixmap() on PA1.x CPUs
  parisc: Use swap() to swap values in setup_bootmem()
  parisc: Update defconfigs
  parisc: decompressor: clean up Makefile
  parisc: decompressor: remove repeated depenency of misc.o
  parisc: Remove unused constants from asm-offsets.c
  parisc/ftrace: use static key to enable/disable function graph tracer
  parisc/ftrace: set function trace function
  parisc: Make use of the helper macro kthread_run()
  parisc: mark xchg functions notrace
  parisc: enhance warning regarding usage of O_NONBLOCK
  parisc: Drop ifdef __KERNEL__ from non-uapi kernel headers
  parisc: Use PRIV_USER and PRIV_KERNEL in ptrace.h
  parisc: Use PRIV_USER in syscall.S
  parisc/kgdb: add kgdb_roundup() to make kgdb work with idle polling
  parisc: Move thread_info into task struct
  parisc: add support for TOC (transfer of control)
  parisc/firmware: add functions to retrieve TOC data
  parisc: add PIM TOC data structures
  parisc: move virt_map macro to assembly.h
  ...
2021-11-01 16:51:13 -07:00
Linus Torvalds 46f8763228 arm64 updates for 5.16
- Support for the Arm8.6 timer extensions, including a self-synchronising
   view of the system registers to elide some expensive ISB instructions.
 
 - Exception table cleanup and rework so that the fixup handlers appear
   correctly in backtraces.
 
 - A handful of miscellaneous changes, the main one being selection of
   CONFIG_HAVE_POSIX_CPU_TIMERS_TASK_WORK.
 
 - More mm and pgtable cleanups.
 
 - KASAN support for "asymmetric" MTE, where tag faults are reported
   synchronously for loads (via an exception) and asynchronously for
   stores (via a register).
 
 - Support for leaving the MMU enabled during kexec relocation, which
   significantly speeds up the operation.
 
 - Minor improvements to our perf PMU drivers.
 
 - Improvements to the compat vDSO build system, particularly when
   building with LLVM=1.
 
 - Preparatory work for handling some Coresight TRBE tracing errata.
 
 - Cleanup and refactoring of the SVE code to pave the way for SME
   support in future.
 
 - Ensure SCS pages are unpoisoned immediately prior to freeing them
   when KASAN is enabled for the vmalloc area.
 
 - Try moving to the generic pfn_valid() implementation again now that
   the DMA mapping issue from last time has been resolved.
 
 - Numerous improvements and additions to our FPSIMD and SVE selftests.
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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:
 "There's the usual summary below, but the highlights are support for
  the Armv8.6 timer extensions, KASAN support for asymmetric MTE, the
  ability to kexec() with the MMU enabled and a second attempt at
  switching to the generic pfn_valid() implementation.

  Summary:

   - Support for the Arm8.6 timer extensions, including a
     self-synchronising view of the system registers to elide some
     expensive ISB instructions.

   - Exception table cleanup and rework so that the fixup handlers
     appear correctly in backtraces.

   - A handful of miscellaneous changes, the main one being selection of
     CONFIG_HAVE_POSIX_CPU_TIMERS_TASK_WORK.

   - More mm and pgtable cleanups.

   - KASAN support for "asymmetric" MTE, where tag faults are reported
     synchronously for loads (via an exception) and asynchronously for
     stores (via a register).

   - Support for leaving the MMU enabled during kexec relocation, which
     significantly speeds up the operation.

   - Minor improvements to our perf PMU drivers.

   - Improvements to the compat vDSO build system, particularly when
     building with LLVM=1.

   - Preparatory work for handling some Coresight TRBE tracing errata.

   - Cleanup and refactoring of the SVE code to pave the way for SME
     support in future.

   - Ensure SCS pages are unpoisoned immediately prior to freeing them
     when KASAN is enabled for the vmalloc area.

   - Try moving to the generic pfn_valid() implementation again now that
     the DMA mapping issue from last time has been resolved.

   - Numerous improvements and additions to our FPSIMD and SVE
     selftests"

[ armv8.6 timer updates were in a shared branch and already came in
  through -tip in the timer pull  - Linus ]

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (85 commits)
  arm64: Select POSIX_CPU_TIMERS_TASK_WORK
  arm64: Document boot requirements for FEAT_SME_FA64
  arm64/sve: Fix warnings when SVE is disabled
  arm64/sve: Add stub for sve_max_virtualisable_vl()
  arm64: errata: Add detection for TRBE write to out-of-range
  arm64: errata: Add workaround for TSB flush failures
  arm64: errata: Add detection for TRBE overwrite in FILL mode
  arm64: Add Neoverse-N2, Cortex-A710 CPU part definition
  selftests: arm64: Factor out utility functions for assembly FP tests
  arm64: vmlinux.lds.S: remove `.fixup` section
  arm64: extable: add load_unaligned_zeropad() handler
  arm64: extable: add a dedicated uaccess handler
  arm64: extable: add `type` and `data` fields
  arm64: extable: use `ex` for `exception_table_entry`
  arm64: extable: make fixup_exception() return bool
  arm64: extable: consolidate definitions
  arm64: gpr-num: support W registers
  arm64: factor out GPR numbering helpers
  arm64: kvm: use kvm_exception_table_entry
  arm64: lib: __arch_copy_to_user(): fold fixups into body
  ...
2021-11-01 16:33:53 -07:00
Linus Torvalds 879dbe9ffe Add a SGX_IOC_VEPC_REMOVE ioctl to the /dev/sgx_vepc virt interface with
which EPC pages can be put back into their uninitialized state without
 having to reopen /dev/sgx_vepc, which could not be possible anymore
 after startup due to security policies.
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Merge tag 'x86_sgx_for_v5.16_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 SGX updates from Borislav Petkov:
 "Add a SGX_IOC_VEPC_REMOVE ioctl to the /dev/sgx_vepc virt interface
  with which EPC pages can be put back into their uninitialized state
  without having to reopen /dev/sgx_vepc, which could not be possible
  anymore after startup due to security policies"

* tag 'x86_sgx_for_v5.16_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/sgx/virt: implement SGX_IOC_VEPC_REMOVE ioctl
  x86/sgx/virt: extract sgx_vepc_remove_page
2021-11-01 15:54:07 -07:00
Linus Torvalds 8cb1ae19bf x86/fpu updates:
- Cleanup of extable fixup handling to be more robust, which in turn
    allows to make the FPU exception fixups more robust as well.
 
  - Change the return code for signal frame related failures from explicit
    error codes to a boolean fail/success as that's all what the calling
    code evaluates.
 
  - A large refactoring of the FPU code to prepare for adding AMX support:
 
    - Distangle the public header maze and remove especially the misnomed
      kitchen sink internal.h which is despite it's name included all over
      the place.
 
    - Add a proper abstraction for the register buffer storage (struct
      fpstate) which allows to dynamically size the buffer at runtime by
      flipping the pointer to the buffer container from the default
      container which is embedded in task_struct::tread::fpu to a
      dynamically allocated container with a larger register buffer.
 
    - Convert the code over to the new fpstate mechanism.
 
    - Consolidate the KVM FPU handling by moving the FPU related code into
      the FPU core which removes the number of exports and avoids adding
      even more export when AMX has to be supported in KVM. This also
      removes duplicated code which was of course unnecessary different and
      incomplete in the KVM copy.
 
    - Simplify the KVM FPU buffer handling by utilizing the new fpstate
      container and just switching the buffer pointer from the user space
      buffer to the KVM guest buffer when entering vcpu_run() and flipping
      it back when leaving the function. This cuts the memory requirements
      of a vCPU for FPU buffers in half and avoids pointless memory copy
      operations.
 
      This also solves the so far unresolved problem of adding AMX support
      because the current FPU buffer handling of KVM inflicted a circular
      dependency between adding AMX support to the core and to KVM.  With
      the new scheme of switching fpstate AMX support can be added to the
      core code without affecting KVM.
 
    - Replace various variables with proper data structures so the extra
      information required for adding dynamically enabled FPU features (AMX)
      can be added in one place
 
  - Add AMX (Advanved Matrix eXtensions) support (finally):
 
     AMX is a large XSTATE component which is going to be available with
     Saphire Rapids XEON CPUs. The feature comes with an extra MSR (MSR_XFD)
     which allows to trap the (first) use of an AMX related instruction,
     which has two benefits:
 
     1) It allows the kernel to control access to the feature
 
     2) It allows the kernel to dynamically allocate the large register
        state buffer instead of burdening every task with the the extra 8K
        or larger state storage.
 
     It would have been great to gain this kind of control already with
     AVX512.
 
     The support comes with the following infrastructure components:
 
     1) arch_prctl() to
        - read the supported features (equivalent to XGETBV(0))
        - read the permitted features for a task
        - request permission for a dynamically enabled feature
 
        Permission is granted per process, inherited on fork() and cleared
        on exec(). The permission policy of the kernel is restricted to
        sigaltstack size validation, but the syscall obviously allows
        further restrictions via seccomp etc.
 
     2) A stronger sigaltstack size validation for sys_sigaltstack(2) which
        takes granted permissions and the potentially resulting larger
        signal frame into account. This mechanism can also be used to
        enforce factual sigaltstack validation independent of dynamic
        features to help with finding potential victims of the 2K
        sigaltstack size constant which is broken since AVX512 support was
        added.
 
     3) Exception handling for #NM traps to catch first use of a extended
        feature via a new cause MSR. If the exception was caused by the use
        of such a feature, the handler checks permission for that
        feature. If permission has not been granted, the handler sends a
        SIGILL like the #UD handler would do if the feature would have been
        disabled in XCR0. If permission has been granted, then a new fpstate
        which fits the larger buffer requirement is allocated.
 
        In the unlikely case that this allocation fails, the handler sends
        SIGSEGV to the task. That's not elegant, but unavoidable as the
        other discussed options of preallocation or full per task
        permissions come with their own set of horrors for kernel and/or
        userspace. So this is the lesser of the evils and SIGSEGV caused by
        unexpected memory allocation failures is not a fundamentally new
        concept either.
 
        When allocation succeeds, the fpstate properties are filled in to
        reflect the extended feature set and the resulting sizes, the
        fpu::fpstate pointer is updated accordingly and the trap is disarmed
        for this task permanently.
 
     4) Enumeration and size calculations
 
     5) Trap switching via MSR_XFD
 
        The XFD (eXtended Feature Disable) MSR is context switched with the
        same life time rules as the FPU register state itself. The mechanism
        is keyed off with a static key which is default disabled so !AMX
        equipped CPUs have zero overhead. On AMX enabled CPUs the overhead
        is limited by comparing the tasks XFD value with a per CPU shadow
        variable to avoid redundant MSR writes. In case of switching from a
        AMX using task to a non AMX using task or vice versa, the extra MSR
        write is obviously inevitable.
 
        All other places which need to be aware of the variable feature sets
        and resulting variable sizes are not affected at all because they
        retrieve the information (feature set, sizes) unconditonally from
        the fpstate properties.
 
     6) Enable the new AMX states
 
   Note, this is relatively new code despite the fact that AMX support is in
   the works for more than a year now.
 
   The big refactoring of the FPU code, which allowed to do a proper
   integration has been started exactly 3 weeks ago. Refactoring of the
   existing FPU code and of the original AMX patches took a week and has
   been subject to extensive review and testing. The only fallout which has
   not been caught in review and testing right away was restricted to AMX
   enabled systems, which is completely irrelevant for anyone outside Intel
   and their early access program. There might be dragons lurking as usual,
   but so far the fine grained refactoring has held up and eventual yet
   undetected fallout is bisectable and should be easily addressable before
   the 5.16 release. Famous last words...
 
   Many thanks to Chang Bae and Dave Hansen for working hard on this and
   also to the various test teams at Intel who reserved extra capacity to
   follow the rapid development of this closely which provides the
   confidence level required to offer this rather large update for inclusion
   into 5.16-rc1.
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Merge tag 'x86-fpu-2021-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fpu updates from Thomas Gleixner:

 - Cleanup of extable fixup handling to be more robust, which in turn
   allows to make the FPU exception fixups more robust as well.

 - Change the return code for signal frame related failures from
   explicit error codes to a boolean fail/success as that's all what the
   calling code evaluates.

 - A large refactoring of the FPU code to prepare for adding AMX
   support:

      - Distangle the public header maze and remove especially the
        misnomed kitchen sink internal.h which is despite it's name
        included all over the place.

      - Add a proper abstraction for the register buffer storage (struct
        fpstate) which allows to dynamically size the buffer at runtime
        by flipping the pointer to the buffer container from the default
        container which is embedded in task_struct::tread::fpu to a
        dynamically allocated container with a larger register buffer.

      - Convert the code over to the new fpstate mechanism.

      - Consolidate the KVM FPU handling by moving the FPU related code
        into the FPU core which removes the number of exports and avoids
        adding even more export when AMX has to be supported in KVM.
        This also removes duplicated code which was of course
        unnecessary different and incomplete in the KVM copy.

      - Simplify the KVM FPU buffer handling by utilizing the new
        fpstate container and just switching the buffer pointer from the
        user space buffer to the KVM guest buffer when entering
        vcpu_run() and flipping it back when leaving the function. This
        cuts the memory requirements of a vCPU for FPU buffers in half
        and avoids pointless memory copy operations.

        This also solves the so far unresolved problem of adding AMX
        support because the current FPU buffer handling of KVM inflicted
        a circular dependency between adding AMX support to the core and
        to KVM. With the new scheme of switching fpstate AMX support can
        be added to the core code without affecting KVM.

      - Replace various variables with proper data structures so the
        extra information required for adding dynamically enabled FPU
        features (AMX) can be added in one place

 - Add AMX (Advanced Matrix eXtensions) support (finally):

   AMX is a large XSTATE component which is going to be available with
   Saphire Rapids XEON CPUs. The feature comes with an extra MSR
   (MSR_XFD) which allows to trap the (first) use of an AMX related
   instruction, which has two benefits:

    1) It allows the kernel to control access to the feature

    2) It allows the kernel to dynamically allocate the large register
       state buffer instead of burdening every task with the the extra
       8K or larger state storage.

   It would have been great to gain this kind of control already with
   AVX512.

   The support comes with the following infrastructure components:

    1) arch_prctl() to
        - read the supported features (equivalent to XGETBV(0))
        - read the permitted features for a task
        - request permission for a dynamically enabled feature

       Permission is granted per process, inherited on fork() and
       cleared on exec(). The permission policy of the kernel is
       restricted to sigaltstack size validation, but the syscall
       obviously allows further restrictions via seccomp etc.

    2) A stronger sigaltstack size validation for sys_sigaltstack(2)
       which takes granted permissions and the potentially resulting
       larger signal frame into account. This mechanism can also be used
       to enforce factual sigaltstack validation independent of dynamic
       features to help with finding potential victims of the 2K
       sigaltstack size constant which is broken since AVX512 support
       was added.

    3) Exception handling for #NM traps to catch first use of a extended
       feature via a new cause MSR. If the exception was caused by the
       use of such a feature, the handler checks permission for that
       feature. If permission has not been granted, the handler sends a
       SIGILL like the #UD handler would do if the feature would have
       been disabled in XCR0. If permission has been granted, then a new
       fpstate which fits the larger buffer requirement is allocated.

       In the unlikely case that this allocation fails, the handler
       sends SIGSEGV to the task. That's not elegant, but unavoidable as
       the other discussed options of preallocation or full per task
       permissions come with their own set of horrors for kernel and/or
       userspace. So this is the lesser of the evils and SIGSEGV caused
       by unexpected memory allocation failures is not a fundamentally
       new concept either.

       When allocation succeeds, the fpstate properties are filled in to
       reflect the extended feature set and the resulting sizes, the
       fpu::fpstate pointer is updated accordingly and the trap is
       disarmed for this task permanently.

    4) Enumeration and size calculations

    5) Trap switching via MSR_XFD

       The XFD (eXtended Feature Disable) MSR is context switched with
       the same life time rules as the FPU register state itself. The
       mechanism is keyed off with a static key which is default
       disabled so !AMX equipped CPUs have zero overhead. On AMX enabled
       CPUs the overhead is limited by comparing the tasks XFD value
       with a per CPU shadow variable to avoid redundant MSR writes. In
       case of switching from a AMX using task to a non AMX using task
       or vice versa, the extra MSR write is obviously inevitable.

       All other places which need to be aware of the variable feature
       sets and resulting variable sizes are not affected at all because
       they retrieve the information (feature set, sizes) unconditonally
       from the fpstate properties.

    6) Enable the new AMX states

   Note, this is relatively new code despite the fact that AMX support
   is in the works for more than a year now.

   The big refactoring of the FPU code, which allowed to do a proper
   integration has been started exactly 3 weeks ago. Refactoring of the
   existing FPU code and of the original AMX patches took a week and has
   been subject to extensive review and testing. The only fallout which
   has not been caught in review and testing right away was restricted
   to AMX enabled systems, which is completely irrelevant for anyone
   outside Intel and their early access program. There might be dragons
   lurking as usual, but so far the fine grained refactoring has held up
   and eventual yet undetected fallout is bisectable and should be
   easily addressable before the 5.16 release. Famous last words...

   Many thanks to Chang Bae and Dave Hansen for working hard on this and
   also to the various test teams at Intel who reserved extra capacity
   to follow the rapid development of this closely which provides the
   confidence level required to offer this rather large update for
   inclusion into 5.16-rc1

* tag 'x86-fpu-2021-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (110 commits)
  Documentation/x86: Add documentation for using dynamic XSTATE features
  x86/fpu: Include vmalloc.h for vzalloc()
  selftests/x86/amx: Add context switch test
  selftests/x86/amx: Add test cases for AMX state management
  x86/fpu/amx: Enable the AMX feature in 64-bit mode
  x86/fpu: Add XFD handling for dynamic states
  x86/fpu: Calculate the default sizes independently
  x86/fpu/amx: Define AMX state components and have it used for boot-time checks
  x86/fpu/xstate: Prepare XSAVE feature table for gaps in state component numbers
  x86/fpu/xstate: Add fpstate_realloc()/free()
  x86/fpu/xstate: Add XFD #NM handler
  x86/fpu: Update XFD state where required
  x86/fpu: Add sanity checks for XFD
  x86/fpu: Add XFD state to fpstate
  x86/msr-index: Add MSRs for XFD
  x86/cpufeatures: Add eXtended Feature Disabling (XFD) feature bit
  x86/fpu: Reset permission and fpstate on exec()
  x86/fpu: Prepare fpu_clone() for dynamically enabled features
  x86/fpu/signal: Prepare for variable sigframe length
  x86/signal: Use fpu::__state_user_size for sigalt stack validation
  ...
2021-11-01 14:03:56 -07:00
Linus Torvalds 9a7e0a90a4 Scheduler updates:
- Revert the printk format based wchan() symbol resolution as it can leak
    the raw value in case that the symbol is not resolvable.
 
  - Make wchan() more robust and work with all kind of unwinders by
    enforcing that the task stays blocked while unwinding is in progress.
 
  - Prevent sched_fork() from accessing an invalid sched_task_group
 
  - Improve asymmetric packing logic
 
  - Extend scheduler statistics to RT and DL scheduling classes and add
    statistics for bandwith burst to the SCHED_FAIR class.
 
  - Properly account SCHED_IDLE entities
 
  - Prevent a potential deadlock when initial priority is assigned to a
    newly created kthread. A recent change to plug a race between cpuset and
    __sched_setscheduler() introduced a new lock dependency which is now
    triggered. Break the lock dependency chain by moving the priority
    assignment to the thread function.
 
  - Fix the idle time reporting in /proc/uptime for NOHZ enabled systems.
 
  - Improve idle balancing in general and especially for NOHZ enabled
    systems.
 
  - Provide proper interfaces for live patching so it does not have to
    fiddle with scheduler internals.
 
  - Add cluster aware scheduling support.
 
  - A small set of tweaks for RT (irqwork, wait_task_inactive(), various
    scheduler options and delaying mmdrop)
 
  - The usual small tweaks and improvements all over the place
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Merge tag 'sched-core-2021-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler updates from Thomas Gleixner:

 - Revert the printk format based wchan() symbol resolution as it can
   leak the raw value in case that the symbol is not resolvable.

 - Make wchan() more robust and work with all kind of unwinders by
   enforcing that the task stays blocked while unwinding is in progress.

 - Prevent sched_fork() from accessing an invalid sched_task_group

 - Improve asymmetric packing logic

 - Extend scheduler statistics to RT and DL scheduling classes and add
   statistics for bandwith burst to the SCHED_FAIR class.

 - Properly account SCHED_IDLE entities

 - Prevent a potential deadlock when initial priority is assigned to a
   newly created kthread. A recent change to plug a race between cpuset
   and __sched_setscheduler() introduced a new lock dependency which is
   now triggered. Break the lock dependency chain by moving the priority
   assignment to the thread function.

 - Fix the idle time reporting in /proc/uptime for NOHZ enabled systems.

 - Improve idle balancing in general and especially for NOHZ enabled
   systems.

 - Provide proper interfaces for live patching so it does not have to
   fiddle with scheduler internals.

 - Add cluster aware scheduling support.

 - A small set of tweaks for RT (irqwork, wait_task_inactive(), various
   scheduler options and delaying mmdrop)

 - The usual small tweaks and improvements all over the place

* tag 'sched-core-2021-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (69 commits)
  sched/fair: Cleanup newidle_balance
  sched/fair: Remove sysctl_sched_migration_cost condition
  sched/fair: Wait before decaying max_newidle_lb_cost
  sched/fair: Skip update_blocked_averages if we are defering load balance
  sched/fair: Account update_blocked_averages in newidle_balance cost
  x86: Fix __get_wchan() for !STACKTRACE
  sched,x86: Fix L2 cache mask
  sched/core: Remove rq_relock()
  sched: Improve wake_up_all_idle_cpus() take #2
  irq_work: Also rcuwait for !IRQ_WORK_HARD_IRQ on PREEMPT_RT
  irq_work: Handle some irq_work in a per-CPU thread on PREEMPT_RT
  irq_work: Allow irq_work_sync() to sleep if irq_work() no IRQ support.
  sched/rt: Annotate the RT balancing logic irqwork as IRQ_WORK_HARD_IRQ
  sched: Add cluster scheduler level for x86
  sched: Add cluster scheduler level in core and related Kconfig for ARM64
  topology: Represent clusters of CPUs within a die
  sched: Disable -Wunused-but-set-variable
  sched: Add wrapper for get_wchan() to keep task blocked
  x86: Fix get_wchan() to support the ORC unwinder
  proc: Use task_is_running() for wchan in /proc/$pid/stat
  ...
2021-11-01 13:48:52 -07:00
Linus Torvalds 595b28fb0c Locking updates:
- Move futex code into kernel/futex/ and split up the kitchen sink into
    seperate files to make integration of sys_futex_waitv() simpler.
 
  - Add a new sys_futex_waitv() syscall which allows to wait on multiple
    futexes. The main use case is emulating Windows' WaitForMultipleObjects
    which allows Wine to improve the performance of Windows Games. Also
    native Linux games can benefit from this interface as this is a common
    wait pattern for this kind of applications.
 
  - Add context to ww_mutex_trylock() to provide a path for i915 to rework
    their eviction code step by step without making lockdep upset until the
    final steps of rework are completed. It's also useful for regulator and
    TTM to avoid dropping locks in the non contended path.
 
  - Lockdep and might_sleep() cleanups and improvements
 
  - A few improvements for the RT substitutions.
 
  - The usual small improvements and cleanups.
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Merge tag 'locking-core-2021-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull locking updates from Thomas Gleixner:

 - Move futex code into kernel/futex/ and split up the kitchen sink into
   seperate files to make integration of sys_futex_waitv() simpler.

 - Add a new sys_futex_waitv() syscall which allows to wait on multiple
   futexes.

   The main use case is emulating Windows' WaitForMultipleObjects which
   allows Wine to improve the performance of Windows Games. Also native
   Linux games can benefit from this interface as this is a common wait
   pattern for this kind of applications.

 - Add context to ww_mutex_trylock() to provide a path for i915 to
   rework their eviction code step by step without making lockdep upset
   until the final steps of rework are completed. It's also useful for
   regulator and TTM to avoid dropping locks in the non contended path.

 - Lockdep and might_sleep() cleanups and improvements

 - A few improvements for the RT substitutions.

 - The usual small improvements and cleanups.

* tag 'locking-core-2021-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (44 commits)
  locking: Remove spin_lock_flags() etc
  locking/rwsem: Fix comments about reader optimistic lock stealing conditions
  locking: Remove rcu_read_{,un}lock() for preempt_{dis,en}able()
  locking/rwsem: Disable preemption for spinning region
  docs: futex: Fix kernel-doc references
  futex: Fix PREEMPT_RT build
  futex2: Documentation: Document sys_futex_waitv() uAPI
  selftests: futex: Test sys_futex_waitv() wouldblock
  selftests: futex: Test sys_futex_waitv() timeout
  selftests: futex: Add sys_futex_waitv() test
  futex,arm: Wire up sys_futex_waitv()
  futex,x86: Wire up sys_futex_waitv()
  futex: Implement sys_futex_waitv()
  futex: Simplify double_lock_hb()
  futex: Split out wait/wake
  futex: Split out requeue
  futex: Rename mark_wake_futex()
  futex: Rename: match_futex()
  futex: Rename: hb_waiter_{inc,dec,pending}()
  futex: Split out PI futex
  ...
2021-11-01 13:15:36 -07:00
Linus Torvalds 5a47ebe98e Updates for the interrupt subsystem:
Core changes:
 
   - Prevent a potential deadlock when initial priority is assigned to a
     newly created interrupt thread. A recent change to plug a race between
     cpuset and __sched_setscheduler() introduced a new lock dependency
     which is now triggered. Break the lock dependency chain by moving the
     priority assignment to the thread function.
 
   - A couple of small updates to make the irq core RT safe.
 
   - Confine the irq_cpu_online/offline() API to the only left unfixable
     user Cavium Octeon so that it does not grow new usage.
 
   - A small documentation update
 
  Driver changes:
 
   - A large cross architecture rework to move irq_enter/exit() into the
     architecture code to make addressing the NOHZ_FULL/RCU issues simpler.
 
   - The obligatory new irq chip driver for Microchip EIC
 
   - Modularize a few irq chip drivers
 
   - Expand usage of devm_*() helpers throughout the driver code
 
   - The usual small fixes and improvements all over the place
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Merge tag 'irq-core-2021-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq updates from Thomas Gleixner:
 "Updates for the interrupt subsystem:

  Core changes:

   - Prevent a potential deadlock when initial priority is assigned to a
     newly created interrupt thread. A recent change to plug a race
     between cpuset and __sched_setscheduler() introduced a new lock
     dependency which is now triggered. Break the lock dependency chain
     by moving the priority assignment to the thread function.

   - A couple of small updates to make the irq core RT safe.

   - Confine the irq_cpu_online/offline() API to the only left unfixable
     user Cavium Octeon so that it does not grow new usage.

   - A small documentation update

  Driver changes:

   - A large cross architecture rework to move irq_enter/exit() into the
     architecture code to make addressing the NOHZ_FULL/RCU issues
     simpler.

   - The obligatory new irq chip driver for Microchip EIC

   - Modularize a few irq chip drivers

   - Expand usage of devm_*() helpers throughout the driver code

   - The usual small fixes and improvements all over the place"

* tag 'irq-core-2021-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (53 commits)
  h8300: Fix linux/irqchip.h include mess
  dt-bindings: irqchip: renesas-irqc: Document r8a774e1 bindings
  MIPS: irq: Avoid an unused-variable error
  genirq: Hide irq_cpu_{on,off}line() behind a deprecated option
  irqchip/mips-gic: Get rid of the reliance on irq_cpu_online()
  MIPS: loongson64: Drop call to irq_cpu_offline()
  irq: remove handle_domain_{irq,nmi}()
  irq: remove CONFIG_HANDLE_DOMAIN_IRQ_IRQENTRY
  irq: riscv: perform irqentry in entry code
  irq: openrisc: perform irqentry in entry code
  irq: csky: perform irqentry in entry code
  irq: arm64: perform irqentry in entry code
  irq: arm: perform irqentry in entry code
  irq: add a (temporary) CONFIG_HANDLE_DOMAIN_IRQ_IRQENTRY
  irq: nds32: avoid CONFIG_HANDLE_DOMAIN_IRQ
  irq: arc: avoid CONFIG_HANDLE_DOMAIN_IRQ
  irq: add generic_handle_arch_irq()
  irq: unexport handle_irq_desc()
  irq: simplify handle_domain_{irq,nmi}()
  irq: mips: simplify do_domain_IRQ()
  ...
2021-11-01 13:09:10 -07:00
J. Bruce Fields 6d91929a6f nfsd: document server-to-server-copy parameters
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2021-11-01 15:18:39 -04:00
Linus Torvalds 67a135b80e Changes since last update:
- support multiple devices for multi-layer container images;
 
  - support the secondary compression head;
 
  - support readmore decompression strategy;
 
  - support new LZMA algorithm (specifically called MicroLZMA);
 
  - some bugfixes & cleanups.
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Merge tag 'erofs-for-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs

Pull erofs updates from Gao Xiang:
 "There are some new features available for this cycle. Firstly, EROFS
  LZMA algorithm support, specifically called MicroLZMA, is available as
  an option for embedded devices, LiveCDs and/or as the secondary
  auxiliary compression algorithm besides the primary algorithm in one
  file.

  In order to better support the LZMA fixed-sized output compression,
  especially for 4KiB pcluster size (which has lowest memory pressure
  thus useful for memory-sensitive scenarios), Lasse introduced a new
  LZMA header/container format called MicroLZMA to minimize the original
  LZMA1 header (for example, we don't need to waste 4-byte dictionary
  size and another 8-byte uncompressed size, which can be calculated by
  fs directly, for each pcluster) and enable EROFS fixed-sized output
  compression.

  Note that MicroLZMA can also be later used by other things in addition
  to EROFS too where wasting minimal amount of space for headers is
  important and it can be only compiled by enabling XZ_DEC_MICROLZMA.
  MicroLZMA has been supported by the latest upstream XZ embedded [1] &
  XZ utils [2], apply the latest related XZ embedded upstream patches by
  the XZ author Lasse here.

  Secondly, multiple device is also supported in this cycle, which is
  designed for multi-layer container images. By working together with
  inter-layer data deduplication and compression, we can achieve the
  next high-performance container image solution. Our team will announce
  the new Nydus container image service [3] implementation with new RAFS
  v6 (EROFS-compatible) format in Open Source Summit 2021 China [4]
  soon.

  Besides, the secondary compression head support and readmore
  decompression strategy are also included in this cycle. There are also
  some minor bugfixes and cleanups, as always.

  Summary:

   - support multiple devices for multi-layer container images;

   - support the secondary compression head;

   - support readmore decompression strategy;

   - support new LZMA algorithm (specifically called MicroLZMA);

   - some bugfixes & cleanups"

* tag 'erofs-for-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
  erofs: don't trigger WARN() when decompression fails
  erofs: get rid of ->lru usage
  erofs: lzma compression support
  erofs: rename some generic methods in decompressor
  lib/xz, lib/decompress_unxz.c: Fix spelling in comments
  lib/xz: Add MicroLZMA decoder
  lib/xz: Move s->lzma.len = 0 initialization to lzma_reset()
  lib/xz: Validate the value before assigning it to an enum variable
  lib/xz: Avoid overlapping memcpy() with invalid input with in-place decompression
  erofs: introduce readmore decompression strategy
  erofs: introduce the secondary compression head
  erofs: get compression algorithms directly on mapping
  erofs: add multiple device support
  erofs: decouple basic mount options from fs_context
  erofs: remove the fast path of per-CPU buffer decompression
2021-11-01 11:39:22 -07:00
Linus Torvalds cd3e8ea847 fscrypt updates for 5.16
Some cleanups for fs/crypto/:
 
 - Allow 256-bit master keys with AES-256-XTS
 
 - Improve documentation and comments
 
 - Remove unneeded field fscrypt_operations::max_namelen
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Merge tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt

Pull fscrypt updates from Eric Biggers:
 "Some cleanups for fs/crypto/:

   - Allow 256-bit master keys with AES-256-XTS

   - Improve documentation and comments

   - Remove unneeded field fscrypt_operations::max_namelen"

* tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt:
  fscrypt: improve a few comments
  fscrypt: allow 256-bit master keys with AES-256-XTS
  fscrypt: improve documentation for inline encryption
  fscrypt: clean up comments in bio.c
  fscrypt: remove fscrypt_operations::max_namelen
2021-11-01 11:36:35 -07:00
Yanteng Si 75ca80e4c4 docs/zh_CN: add core-api xarray translation
Translate Documentation/core-api/xarray.rst into Chinese

Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Link: https://lore.kernel.org/r/2a125bcb3220e7c1b72ae87bcad1b225dd950338.1634358018.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-11-01 11:25:33 -06:00
Yanteng Si 5876a638c8 docs/zh_CN: add core-api assoc_array translation
Translate Documentation/core-api/assoc_array.rst into Chinese.

Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Link: https://lore.kernel.org/r/860ac85d9a2a83c2b63eb8d1be929ad64280d7b2.1634358018.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-11-01 11:25:33 -06:00
Colin Ian King d64fbe9f50 speakup: Fix typo in documentation "boo" -> "boot"
There is a typo in the speakup documentation. Fix it.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Link: https://lore.kernel.org/r/20211028182319.613315-1-colin.i.king@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-11-01 11:17:21 -06:00
Linus Torvalds 737f1cd8a8 for-5.16/cdrom-2021-10-29
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Merge tag 'for-5.16/cdrom-2021-10-29' of git://git.kernel.dk/linux-block

Pull CDROM updates from Jens Axboe:
 "On behalf of Phillip, here are the CDROM updates for the 5.16-rc1
  merge window:

   - Add ioctl for improved media change detection (Lukas)

   - Reformat some documentation (Phillip)

   - Redundant variable removal (luo)"

* tag 'for-5.16/cdrom-2021-10-29' of git://git.kernel.dk/linux-block:
  cdrom: Remove redundant variable and its assignment
  cdrom: docs: reformat table in Documentation/userspace-api/ioctl/cdrom.rst
  drivers/cdrom: improved ioctl for media change detection
2021-11-01 10:09:14 -07:00
Linus Torvalds fcaec17b36 for-5.16/scsi-ma-2021-10-29
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Merge tag 'for-5.16/scsi-ma-2021-10-29' of git://git.kernel.dk/linux-block

Pull SCSI multi-actuator support from Jens Axboe:
 "This adds SCSI support for the recently merged block multi-actuator
  support. Since this was sitting on top of the block tree, the SCSI
  side asked me to queue it up."

* tag 'for-5.16/scsi-ma-2021-10-29' of git://git.kernel.dk/linux-block:
  doc: Fix typo in request queue sysfs documentation
  doc: document sysfs queue/independent_access_ranges attributes
  libata: support concurrent positioning ranges log
  scsi: sd: add concurrent positioning ranges support
2021-11-01 10:07:26 -07:00
Linus Torvalds 33c8846c81 for-5.16/block-2021-10-29
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Merge tag 'for-5.16/block-2021-10-29' of git://git.kernel.dk/linux-block

Pull block updates from Jens Axboe:

 - mq-deadline accounting improvements (Bart)

 - blk-wbt timer fix (Andrea)

 - Untangle the block layer includes (Christoph)

 - Rework the poll support to be bio based, which will enable adding
   support for polling for bio based drivers (Christoph)

 - Block layer core support for multi-actuator drives (Damien)

 - blk-crypto improvements (Eric)

 - Batched tag allocation support (me)

 - Request completion batching support (me)

 - Plugging improvements (me)

 - Shared tag set improvements (John)

 - Concurrent queue quiesce support (Ming)

 - Cache bdev in ->private_data for block devices (Pavel)

 - bdev dio improvements (Pavel)

 - Block device invalidation and block size improvements (Xie)

 - Various cleanups, fixes, and improvements (Christoph, Jackie,
   Masahira, Tejun, Yu, Pavel, Zheng, me)

* tag 'for-5.16/block-2021-10-29' of git://git.kernel.dk/linux-block: (174 commits)
  blk-mq-debugfs: Show active requests per queue for shared tags
  block: improve readability of blk_mq_end_request_batch()
  virtio-blk: Use blk_validate_block_size() to validate block size
  loop: Use blk_validate_block_size() to validate block size
  nbd: Use blk_validate_block_size() to validate block size
  block: Add a helper to validate the block size
  block: re-flow blk_mq_rq_ctx_init()
  block: prefetch request to be initialized
  block: pass in blk_mq_tags to blk_mq_rq_ctx_init()
  block: add rq_flags to struct blk_mq_alloc_data
  block: add async version of bio_set_polled
  block: kill DIO_MULTI_BIO
  block: kill unused polling bits in __blkdev_direct_IO()
  block: avoid extra iter advance with async iocb
  block: Add independent access ranges support
  blk-mq: don't issue request directly in case that current is to be blocked
  sbitmap: silence data race warning
  blk-cgroup: synchronize blkg creation against policy deactivation
  block: refactor bio_iov_bvec_set()
  block: add single bio async direct IO helper
  ...
2021-11-01 09:19:50 -07:00
Linus Torvalds 9ac211426f File locking changes for v5.16
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Merge tag 'locks-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux

Pull file locking updates from Jeff Layton:
 "Most of this is just follow-on cleanup work of documentation and
  comments from the mandatory locking removal in v5.15.

  The only real functional change is that LOCK_MAND flock() support is
  also being removed, as it has basically been non-functional since the
  v2.5 days"

* tag 'locks-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux:
  fs: remove leftover comments from mandatory locking removal
  locks: remove changelog comments
  docs: fs: locks.rst: update comment about mandatory file locking
  Documentation: remove reference to now removed mandatory-locking doc
  locks: remove LOCK_MAND flock lock support
2021-11-01 09:06:53 -07:00
Linus Torvalds 49f8275c7d Memory folios
Add memory folios, a new type to represent either order-0 pages or
 the head page of a compound page.  This should be enough infrastructure
 to support filesystems converting from pages to folios.
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Merge tag 'folio-5.16' of git://git.infradead.org/users/willy/pagecache

Pull memory folios from Matthew Wilcox:
 "Add memory folios, a new type to represent either order-0 pages or the
  head page of a compound page. This should be enough infrastructure to
  support filesystems converting from pages to folios.

  The point of all this churn is to allow filesystems and the page cache
  to manage memory in larger chunks than PAGE_SIZE. The original plan
  was to use compound pages like THP does, but I ran into problems with
  some functions expecting only a head page while others expect the
  precise page containing a particular byte.

  The folio type allows a function to declare that it's expecting only a
  head page. Almost incidentally, this allows us to remove various calls
  to VM_BUG_ON(PageTail(page)) and compound_head().

  This converts just parts of the core MM and the page cache. For 5.17,
  we intend to convert various filesystems (XFS and AFS are ready; other
  filesystems may make it) and also convert more of the MM and page
  cache to folios. For 5.18, multi-page folios should be ready.

  The multi-page folios offer some improvement to some workloads. The
  80% win is real, but appears to be an artificial benchmark (postgres
  startup, which isn't a serious workload). Real workloads (eg building
  the kernel, running postgres in a steady state, etc) seem to benefit
  between 0-10%. I haven't heard of any performance losses as a result
  of this series. Nobody has done any serious performance tuning; I
  imagine that tweaking the readahead algorithm could provide some more
  interesting wins. There are also other places where we could choose to
  create large folios and currently do not, such as writes that are
  larger than PAGE_SIZE.

  I'd like to thank all my reviewers who've offered review/ack tags:
  Christoph Hellwig, David Howells, Jan Kara, Jeff Layton, Johannes
  Weiner, Kirill A. Shutemov, Michal Hocko, Mike Rapoport, Vlastimil
  Babka, William Kucharski, Yu Zhao and Zi Yan.

  I'd also like to thank those who gave feedback I incorporated but
  haven't offered up review tags for this part of the series: Nick
  Piggin, Mel Gorman, Ming Lei, Darrick Wong, Ted Ts'o, John Hubbard,
  Hugh Dickins, and probably a few others who I forget"

* tag 'folio-5.16' of git://git.infradead.org/users/willy/pagecache: (90 commits)
  mm/writeback: Add folio_write_one
  mm/filemap: Add FGP_STABLE
  mm/filemap: Add filemap_get_folio
  mm/filemap: Convert mapping_get_entry to return a folio
  mm/filemap: Add filemap_add_folio()
  mm/filemap: Add filemap_alloc_folio
  mm/page_alloc: Add folio allocation functions
  mm/lru: Add folio_add_lru()
  mm/lru: Convert __pagevec_lru_add_fn to take a folio
  mm: Add folio_evictable()
  mm/workingset: Convert workingset_refault() to take a folio
  mm/filemap: Add readahead_folio()
  mm/filemap: Add folio_mkwrite_check_truncate()
  mm/filemap: Add i_blocks_per_folio()
  mm/writeback: Add folio_redirty_for_writepage()
  mm/writeback: Add folio_account_redirty()
  mm/writeback: Add folio_clear_dirty_for_io()
  mm/writeback: Add folio_cancel_dirty()
  mm/writeback: Add folio_account_cleaned()
  mm/writeback: Add filemap_dirty_folio()
  ...
2021-11-01 08:47:59 -07:00
Petr Mladek 6a7ca80f40 vsprintf: Update %pGp documentation about that it prints hex value
The commit 23efd0804c ("vsprintf: Make %pGp print
the hex value") changed the behavior of %pGp printk format.
Update the documentation accordingly.

Fixes: 23efd0804c ("vsprintf: Make %pGp print the hex value")
Reviewed-by: Yafang Shao <laoar.shao@gmail.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/YXlKqCPY9suM4mfT@alley
2021-11-01 15:55:06 +01:00
Gabriel Krisman Bertazi 9abeae5d44 docs: Fix formatting of literal sections in fanotify docs
Stephen Rothwell reported the following warning was introduced by commit
c0baf9ac0b ("docs: Document the FAN_FS_ERROR event").

Documentation/admin-guide/filesystem-monitoring.rst:60: WARNING:
 Definition list ends without a blank line; unexpected unindent.

Link: https://lore.kernel.org/r/87y26camhe.fsf@collabora.com
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.com>
Signed-off-by: Jan Kara <jack@suse.cz>
2021-11-01 12:45:06 +01:00
Helge Deller 2214c0e772 parisc: Move thread_info into task struct
This implements the CONFIG_THREAD_INFO_IN_TASK option.

With this change:
- before thread_info was part of the stack and located at the beginning of the stack
- now the thread_info struct is moved and located inside the task_struct structure
- the stack is allocated and handled like the major other platforms
- drop the cpu field of thread_info and use instead the one in task_struct

Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Sven Schnelle <svens@stackframe.org>
2021-11-01 07:35:59 +01:00
Joerg Roedel 52d96919d6 Merge branches 'apple/dart', 'arm/mediatek', 'arm/renesas', 'arm/smmu', 'arm/tegra', 'iommu/fixes', 'x86/amd', 'x86/vt-d' and 'core' into next 2021-10-31 22:26:53 +01:00
Paolo Bonzini 4e33868433 KVM/arm64 updates for Linux 5.16
- More progress on the protected VM front, now with the full
   fixed feature set as well as the limitation of some hypercalls
   after initialisation.
 
 - Cleanup of the RAZ/WI sysreg handling, which was pointlessly
   complicated
 
 - Fixes for the vgic placement in the IPA space, together with a
   bunch of selftests
 
 - More memcg accounting of the memory allocated on behalf of a guest
 
 - Timer and vgic selftests
 
 - Workarounds for the Apple M1 broken vgic implementation
 
 - KConfig cleanups
 
 - New kvmarm.mode=none option, for those who really dislike us
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Merge tag 'kvmarm-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm64 updates for Linux 5.16

- More progress on the protected VM front, now with the full
  fixed feature set as well as the limitation of some hypercalls
  after initialisation.

- Cleanup of the RAZ/WI sysreg handling, which was pointlessly
  complicated

- Fixes for the vgic placement in the IPA space, together with a
  bunch of selftests

- More memcg accounting of the memory allocated on behalf of a guest

- Timer and vgic selftests

- Workarounds for the Apple M1 broken vgic implementation

- KConfig cleanups

- New kvmarm.mode=none option, for those who really dislike us
2021-10-31 02:28:48 -04:00
Greg Kroah-Hartman 28eb3b363d Coresight changes for v5.16
- A new option to make coresight cpu-debug capabilities available as early
 as possible in the kernel boot process.
 
 - Make trace sessions more enduring by coping with scenarios where events
 are scheduled on CPUs that can't reach the selected sink.
 
 - A set of improvement to make the TMC-ETR driver more efficient.
 
 - Enhancements to the TRBE driver to correct several errata.
 
 - An enhancement to make the AXI burts size configurable for TMC devices
 that can't work with the default value.
 
 - A fix in the CTI module to use the correct device when calling
 pm_runtime_put()
 
 - The addition of the Kryo-5xx device to the list of support ETMs.
 
 Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
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Merge tag 'coresight-next-v5.16.v3' of gitolite.kernel.org:pub/scm/linux/kernel/git/coresight/linux into char-misc-next

Mathieu writes:

Coresight changes for v5.16

- A new option to make coresight cpu-debug capabilities available as early
as possible in the kernel boot process.

- Make trace sessions more enduring by coping with scenarios where events
are scheduled on CPUs that can't reach the selected sink.

- A set of improvement to make the TMC-ETR driver more efficient.

- Enhancements to the TRBE driver to correct several errata.

- An enhancement to make the AXI burts size configurable for TMC devices
that can't work with the default value.

- A fix in the CTI module to use the correct device when calling
pm_runtime_put()

- The addition of the Kryo-5xx device to the list of support ETMs.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>

* tag 'coresight-next-v5.16.v3' of gitolite.kernel.org:pub/scm/linux/kernel/git/coresight/linux: (39 commits)
  arm64: errata: Enable TRBE workaround for write to out-of-range address
  arm64: errata: Enable workaround for TRBE overwrite in FILL mode
  coresight: trbe: Work around write to out of range
  coresight: trbe: Make sure we have enough space
  coresight: trbe: Add a helper to determine the minimum buffer size
  coresight: trbe: Workaround TRBE errata overwrite in FILL mode
  coresight: trbe: Add infrastructure for Errata handling
  coresight: trbe: Allow driver to choose a different alignment
  coresight: trbe: Decouple buffer base from the hardware base
  coresight: trbe: Add a helper to pad a given buffer area
  coresight: trbe: Add a helper to calculate the trace generated
  coresight: trbe: Defer the probe on offline CPUs
  coresight: trbe: Fix incorrect access of the sink specific data
  coresight: etm4x: Add ETM PID for Kryo-5XX
  coresight: trbe: Prohibit trace before disabling TRBE
  coresight: trbe: End the AUX handle on truncation
  coresight: trbe: Do not truncate buffer on IRQ
  coresight: trbe: Fix handling of spurious interrupts
  coresight: trbe: irq handler: Do not disable TRBE if no action is needed
  coresight: trbe: Unify the enabling sequence
  ...
2021-10-30 10:48:32 +02:00
Peng Fan a6daa22073 dt-bindings: mailbox: imx-mu: add i.MX8ULP S400 MU support
Similar to i.MX8QM/QXP SCU, i.MX8ULP SCU MU is dedicated for
communication between S400 and Cortex-A cores from hardware design,
it could not be reused for other purpose. To use S400 MU more
effectivly, add "fsl,imx8ulp-mu-s4" compatile to support fast IPC.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2021-10-29 22:57:10 -05:00
Sven Peter 29848f309e dt-bindings: mailbox: Add Apple mailbox bindings
Apple mailbox controller are found on the M1 and are used for
communication with various co-processors.

Reviewed-by: Mark Kettenis <kettenis@openbsd.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2021-10-29 22:34:31 -05:00
Mark Brown 318a54c0ee
Merge remote-tracking branch 'asoc/for-5.16' into asoc-next 2021-10-29 22:00:00 +01:00
Mark Brown 8e14329645
Merge remote-tracking branch 'asoc/for-5.15' into asoc-linus 2021-10-29 21:59:58 +01:00
Wolfram Sang e4f2647585 Merge tag 'at24-updates-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into i2c/for-mergewindow
at24 updates for v5.16

- add two new compatible entries to the DT bindings
2021-10-29 21:33:33 +02:00
Kuldeep Singh 28b5eaf971
spi: Convert NXP flexspi to json schema
Convert the NXP FlexSPI binding to DT schema format using json-schema.

Signed-off-by: Kuldeep Singh <kuldeep.singh@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210927105818.445675-1-kuldeep.singh@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-10-29 18:56:02 +01:00
Chao Yu 10a2687856 f2fs: support fault injection for dquot_initialize()
This patch adds a new function f2fs_dquot_initialize() to wrap
dquot_initialize(), and it supports to inject fault into
f2fs_dquot_initialize() to simulate inner failure occurs in
dquot_initialize().

Usage:
a) echo 65536 > /sys/fs/f2fs/<dev>/inject_type or
b) mount -o fault_type=65536 <dev> <mountpoint>

Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2021-10-29 10:38:53 -07:00
Trevor Wu 6c8552ebba
ASoC: mediatek: mt8195: add mt8195-mt6359-rt1011-rt5682 bindings document
This patch adds document for mt8195 board with mt6359, rt1011 and rt5682

Signed-off-by: Trevor Wu <trevor.wu@mediatek.com>
Link: https://lore.kernel.org/r/20211020071428.14297-3-trevor.wu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-10-29 16:49:49 +01:00
David Heidelberg 7d194a5afc dt-bindings: arm: firmware: tlm,trusted-foundations: Convert txt bindings to yaml
Convert Trusted Foundation binding to the YAML syntax.

Signed-off-by: David Heidelberg <david@ixit.cz>
Link: https://lore.kernel.org/r/20211022232100.137067-1-david@ixit.cz
Signed-off-by: Rob Herring <robh@kernel.org>
2021-10-29 08:55:38 -05:00
Geert Uytterhoeven e2266d372f dt-bindings: display: tilcd: Fix endpoint addressing in example
Remove the bogus unit addresses from the endpoints in the example.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/c58b9cdcd09cf669bb63cd9465d0f75dd66e742c.1634822358.git.geert+renesas@glider.be
Signed-off-by: Rob Herring <robh@kernel.org>
2021-10-29 08:55:38 -05:00
David Heidelberg a8bc0707e1 dt-bindings: input: microchip,cap11xx: Convert txt bindings to yaml
Convert binding for the Microchip CAP11xx series HW to the YAML syntax.

Signed-off-by: David Heidelberg <david@ixit.cz>
Link: https://lore.kernel.org/r/20211019234816.32060-1-david@ixit.cz
Signed-off-by: Rob Herring <robh@kernel.org>
2021-10-29 08:42:03 -05:00
Chanho Park 14d9f6b026 dt-bindings: ufs: exynos-ufs: add exynosautov9 compatible
Below two compatibles can be used for exynosautov9 SoC UFS controller.

- samsung,exynosautov9-ufs: ExynosAutov9 UFS Physical Host
- samsung,exynosautov9-ufs-vh: ExynosAutov9 UFS Virtual Host

Cc: Rob Herring <robh+dt@kernel.org>
Cc: devicetree@vger.kernel.org
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Chanho Park <chanho61.park@samsung.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211018124216.153072-16-chanho61.park@samsung.com
2021-10-29 08:42:03 -05:00
Chanho Park 57e9befa48 dt-bindings: ufs: exynos-ufs: add io-coherency property
Add "samsung,sysreg" regmap and the offset to the ufs shareability
register for setting io coherency of the samsung ufs. "dma-coherent"
property is also required because the driver code needs to know.

Cc: Rob Herring <robh+dt@kernel.org>
Cc: devicetree@vger.kernel.org
Signed-off-by: Chanho Park <chanho61.park@samsung.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211018124216.153072-13-chanho61.park@samsung.com
2021-10-29 08:42:03 -05:00
Prabhjot Khurana cadddc89a0 dt-bindings: crypto: Add Keem Bay ECC bindings
Add Keem Bay Offload and Crypto Subsystem (OCS) Elliptic Curve
Cryptography (ECC) device tree bindings.

Signed-off-by: Prabhjot Khurana <prabhjot.khurana@intel.com>
Signed-off-by: Daniele Alessandrelli <daniele.alessandrelli@intel.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2021-10-29 21:04:03 +08:00
Prabhjot Khurana 1730c5aa3b crypto: engine - Add KPP Support to Crypto Engine
Add KPP support to the crypto engine queue manager, so that it can be
used to simplify the logic of KPP device drivers as done for other
crypto drivers.

Signed-off-by: Prabhjot Khurana <prabhjot.khurana@intel.com>
Signed-off-by: Daniele Alessandrelli <daniele.alessandrelli@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2021-10-29 21:04:03 +08:00
Richard Fitzgerald 2a2df2a755
ASoC: dt-bindings: cs42l42: Correct description of ts-inv
This swaps the descriptions of the 0 and 1 values to match
what the driver actually does with this property.

The background here is somewhat confusing. The codec has two
invert bits for the tip sense. The DT property should have been
for the TIP_SENSE_INV bit, which is the one that controls the
detect block. Due to some misunderstanding of the hardware the
driver actually implemented setting of the TS_INV bit, which is
only for swapping the sense of the interrupt bits. The description
was taken from the datasheet and refers to TIP_SENSE_INV but
unfortunately TS_INV has a different purpose and the net effect
of changing it is the reverse of what was intended (this is not
clearly described in the datasheet). So the ts-inv settings have
always done the exact opposite of what the description said.

Given the age of the driver, it's too late now to swap the meanings
of the values, so the description is changed to match the behaviour.
They have been annotated with the terminology used in the datasheet
to avoid the confusion of which one corresponds to what the datasheet
calls "inverted tip sense".

Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Fixes: da16c55793 ("ASoC: cs42l42: Add devicetree bindings for CS42L42")
Link: https://lore.kernel.org/r/20211028140902.11786-2-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-10-29 12:28:46 +01:00
Will Deacon e5f5210212 Merge branch 'for-next/trbe-errata' into for-next/core
* for-next/trbe-errata:
  arm64: errata: Add detection for TRBE write to out-of-range
  arm64: errata: Add workaround for TSB flush failures
  arm64: errata: Add detection for TRBE overwrite in FILL mode
  arm64: Add Neoverse-N2, Cortex-A710 CPU part definition
2021-10-29 12:25:33 +01:00
Will Deacon 7066248c44 Merge branch 'for-next/mte' into for-next/core
* for-next/mte:
  kasan: Extend KASAN mode kernel parameter
  arm64: mte: Add asymmetric mode support
  arm64: mte: CPU feature detection for Asymm MTE
  arm64: mte: Bitfield definitions for Asymm MTE
  kasan: Remove duplicate of kasan_flag_async
  arm64: kasan: mte: move GCR_EL1 switch to task switch when KASAN disabled
2021-10-29 12:25:08 +01:00
Will Deacon 2bc655ce29 Merge branch 'for-next/misc' into for-next/core
* for-next/misc:
  arm64: Select POSIX_CPU_TIMERS_TASK_WORK
  arm64: Document boot requirements for FEAT_SME_FA64
  arm64: ftrace: use function_nocfi for _mcount as well
  arm64: asm: setup.h: export common variables
  arm64/traps: Avoid unnecessary kernel/user pointer conversion
2021-10-29 12:24:59 +01:00
Aleksander Jan Bajkowski 0b3f86397f dt-bindings: net: lantiq-xrx200-net: Remove the burst length properties
All SoCs with this IP core support 8 burst length. Hauke
suggested to hardcode this value and simplify the driver.

Link: https://lkml.org/lkml/2021/9/14/1533
Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 12:15:35 +01:00
Michael Chan eff441f3b5 bnxt_en: Update bnxt.rst devlink documentation
Add 'enable_remote_dev_reset' documentation to bnxt.rst.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 12:13:05 +01:00
Kalesh Singh 93d76e4a0e tracing/histogram: Fix documentation inline emphasis warning
This fixes the warning:

Documentation/trace/histogram.rst:1766: WARNING: Inline emphasis
start-string without end-string

The issue was caused by an unescaped '*' character.

Link: https://lore.kernel.org/all/20211028170548.2597449-1-kaleshsingh@google.com/T/#m77da47432f5cc6521d4294ffdb9621949cc35d04
Link: https://lkml.kernel.org/r/20211028170548.2597449-1-kaleshsingh@google.com

Fixes: 2d2f6d4b8c ("tracing/histogram: Document expression arithmetic and constants")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Kalesh Singh <kaleshsingh@google.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2021-10-28 21:21:45 -04:00
Marc Zyngier 11e45471ab Merge branch irq/misc-5.16 into irq/irqchip-next
* irq/misc-5.16:
  : .
  : Misc irqchip fixes for 5.16:
  : - MAINTAINERS update for the ARM VIC DT binding
  : - Allow drivers using the IRQCHIP_PLATFORM_DRIVER_BEGIN/END
  :   infrastructure to use COMPILE_TEST without CONFIG_OF
  : - DT updates
  : - Detangle h8300 linux/irqchip.h inclusion
  : .
  h8300: Fix linux/irqchip.h include mess
  dt-bindings: irqchip: renesas-irqc: Document r8a774e1 bindings
  irqchip: Fix compile-testing without CONFIG_OF
  MAINTAINERS: update arm,vic.yaml reference

Signed-off-by: Marc Zyngier <maz@kernel.org>
2021-10-28 21:11:34 +01:00
Thorsten Leemhuis 1f57bd42b7 docs: submitting-patches: make section about the Link: tag more explicit
Mention the 'Link' tag in the section about adding URLs to the commit
msg, to make it clearer they "_primarily_ [...] should be about
background", as Linus recently stated (see the link below). That makes
the explanation also easier to find with a text search. For the same
reason and to improve comprehensibility provide an example, too.

Slightly improve the text at the same time to make it more obvious
developers are meant to add links to issue reports in mailing list
archives, as those allow regression tracking efforts to automatically
check which bugs got resolved.

Move the section also downwards slightly, to reduce jumping back and
forth between aspects relevant for the top and the bottom part of the
commit msg.

Link: https://lore.kernel.org/lkml/CAHk-=wgBhyLhQLPem1vybKNt7BKP+=qF=veBgc7VirZaXn4FUw@mail.gmail.com/
CC: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Signed-off-by: Thorsten Leemhuis <linux@leemhuis.info>
Reviewed-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Link: https://lore.kernel.org/r/27105768dc19b395e7c8e7a80d056d1ff9c570d0.1635152553.git.linux@leemhuis.info
[jc: tweaked wording following Konstantin's recommendation]
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-10-28 13:53:47 -06:00
Jakub Kicinski 7df621a3ee Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
include/net/sock.h
  7b50ecfcc6 ("net: Rename ->stream_memory_read to ->sock_is_readable")
  4c1e34c0db ("vsock: Enable y2038 safe timeval for timeout")

drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c
  0daa55d033 ("octeontx2-af: cn10k: debugfs for dumping LMTST map table")
  e77bcdd1f6 ("octeontx2-af: Display all enabled PF VF rsrc_alloc entries.")

Adjacent code addition in both cases, keep both.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-10-28 10:43:58 -07:00
Linus Torvalds 411a44c24a Networking fixes for 5.15-rc8/final, including fixes from WiFi
(mac80211), and BPF.
 
 Current release - regressions:
 
  - skb_expand_head: adjust skb->truesize to fix socket memory
    accounting
 
  - mptcp: fix corrupt receiver key in MPC + data + checksum
 
 Previous releases - regressions:
 
  - multicast: calculate csum of looped-back and forwarded packets
 
  - cgroup: fix memory leak caused by missing cgroup_bpf_offline
 
  - cfg80211: fix management registrations locking, prevent list
    corruption
 
  - cfg80211: correct false positive in bridge/4addr mode check
 
  - tcp_bpf: fix race in the tcp_bpf_send_verdict resulting in reusing
    previous verdict
 
 Previous releases - always broken:
 
  - sctp: enhancements for the verification tag, prevent attackers
    from killing SCTP sessions
 
  - tipc: fix size validations for the MSG_CRYPTO type
 
  - mac80211: mesh: fix HE operation element length check, prevent
    out of bound access
 
  - tls: fix sign of socket errors, prevent positive error codes
    being reported from read()/write()
 
  - cfg80211: scan: extend RCU protection in cfg80211_add_nontrans_list()
 
  - implement ->sock_is_readable() for UDP and AF_UNIX, fix poll()
    for sockets in a BPF sockmap
 
  - bpf: fix potential race in tail call compatibility check resulting
    in two operations which would make the map incompatible succeeding
 
  - bpf: prevent increasing bpf_jit_limit above max
 
  - bpf: fix error usage of map_fd and fdget() in generic batch update
 
  - phy: ethtool: lock the phy for consistency of results
 
  - prevent infinite while loop in skb_tx_hash() when Tx races with
    driver reconfiguring the queue <> traffic class mapping
 
  - usbnet: fixes for bad HW conjured by syzbot
 
  - xen: stop tx queues during live migration, prevent UAF
 
  - net-sysfs: initialize uid and gid before calling net_ns_get_ownership
 
  - mlxsw: prevent Rx stalls under memory pressure
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.15-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from WiFi (mac80211), and BPF.

  Current release - regressions:

   - skb_expand_head: adjust skb->truesize to fix socket memory
     accounting

   - mptcp: fix corrupt receiver key in MPC + data + checksum

  Previous releases - regressions:

   - multicast: calculate csum of looped-back and forwarded packets

   - cgroup: fix memory leak caused by missing cgroup_bpf_offline

   - cfg80211: fix management registrations locking, prevent list
     corruption

   - cfg80211: correct false positive in bridge/4addr mode check

   - tcp_bpf: fix race in the tcp_bpf_send_verdict resulting in reusing
     previous verdict

  Previous releases - always broken:

   - sctp: enhancements for the verification tag, prevent attackers from
     killing SCTP sessions

   - tipc: fix size validations for the MSG_CRYPTO type

   - mac80211: mesh: fix HE operation element length check, prevent out
     of bound access

   - tls: fix sign of socket errors, prevent positive error codes being
     reported from read()/write()

   - cfg80211: scan: extend RCU protection in
     cfg80211_add_nontrans_list()

   - implement ->sock_is_readable() for UDP and AF_UNIX, fix poll() for
     sockets in a BPF sockmap

   - bpf: fix potential race in tail call compatibility check resulting
     in two operations which would make the map incompatible succeeding

   - bpf: prevent increasing bpf_jit_limit above max

   - bpf: fix error usage of map_fd and fdget() in generic batch update

   - phy: ethtool: lock the phy for consistency of results

   - prevent infinite while loop in skb_tx_hash() when Tx races with
     driver reconfiguring the queue <> traffic class mapping

   - usbnet: fixes for bad HW conjured by syzbot

   - xen: stop tx queues during live migration, prevent UAF

   - net-sysfs: initialize uid and gid before calling
     net_ns_get_ownership

   - mlxsw: prevent Rx stalls under memory pressure"

* tag 'net-5.15-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (67 commits)
  Revert "net: hns3: fix pause config problem after autoneg disabled"
  mptcp: fix corrupt receiver key in MPC + data + checksum
  riscv, bpf: Fix potential NULL dereference
  octeontx2-af: Fix possible null pointer dereference.
  octeontx2-af: Display all enabled PF VF rsrc_alloc entries.
  octeontx2-af: Check whether ipolicers exists
  net: ethernet: microchip: lan743x: Fix skb allocation failure
  net/tls: Fix flipped sign in async_wait.err assignment
  net/tls: Fix flipped sign in tls_err_abort() calls
  net/smc: Correct spelling mistake to TCPF_SYN_RECV
  net/smc: Fix smc_link->llc_testlink_time overflow
  nfp: bpf: relax prog rejection for mtu check through max_pkt_offset
  vmxnet3: do not stop tx queues after netif_device_detach()
  r8169: Add device 10ec:8162 to driver r8169
  ptp: Document the PTP_CLK_MAGIC ioctl number
  usbnet: fix error return code in usbnet_probe()
  net: hns3: adjust string spaces of some parameters of tx bd info in debugfs
  net: hns3: expand buffer len for some debugfs command
  net: hns3: add more string spaces for dumping packets number of queue info in debugfs
  net: hns3: fix data endian problem of some functions of debugfs
  ...
2021-10-28 10:17:31 -07:00
Stephan Gerhold 37aef53f5c dt-bindings: dmaengine: bam_dma: Add "powered remotely" mode
In some configurations, the BAM DMA controller is set up by a remote
processor and the local processor can simply start making use of it
without setting up the BAM. This is already supported using the
"qcom,controlled-remotely" property.

However, for some reason another possible configuration is that the
remote processor is responsible for powering up the BAM, but we are
still responsible for initializing it (e.g. resetting it etc). Add
a "qcom,powered-remotely" property to describe that configuration.

Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Link: https://lore.kernel.org/r/20211018102421.19848-2-stephan@gerhold.net
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-10-28 22:42:30 +05:30
Subbaraya Sundeep 442e796f0a devlink: add documentation for octeontx2 driver
Add a file to document devlink support for octeontx2
driver. Driver-specific parameters implemented by
AF, PF and VF drivers are documented.

Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-28 14:35:34 +01:00
Chang S. Bae d7a9590f60 Documentation/x86: Add documentation for using dynamic XSTATE features
Explain how dynamic XSTATE features can be enabled via the
architecture-specific prctl() along with dynamic sigframe size and
first use trap handling.

Fix:

Documentation/x86/xstate.rst:15: WARNING: Title underline too short.

as reported by Stephen Rothwell <sfr@canb.auug.org.au>

Originally-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211026091157.16711-1-chang.seok.bae@intel.com
2021-10-28 14:54:58 +02:00
Marc Zyngier c6dca712f6 Merge branch irq/remove-handle-domain-irq-20211026 into irq/irqchip-next
* irq/remove-handle-domain-irq-20211026:
  : Large rework of the architecture entry code from Mark Rutland.
  : From the cover letter:
  :
  : <quote>
  : The handle_domain_{irq,nmi}() functions were oringally intended as a
  : convenience, but recent rework to entry code across the kernel tree has
  : demonstrated that they cause more pain than they're worth and prevent
  : architectures from being able to write robust entry code.
  :
  : This series reworks the irq code to remove them, handling the necessary
  : entry work consistently in entry code (be it architectural or generic).
  : </quote>
  MIPS: irq: Avoid an unused-variable error
  irq: remove handle_domain_{irq,nmi}()
  irq: remove CONFIG_HANDLE_DOMAIN_IRQ_IRQENTRY
  irq: riscv: perform irqentry in entry code
  irq: openrisc: perform irqentry in entry code
  irq: csky: perform irqentry in entry code
  irq: arm64: perform irqentry in entry code
  irq: arm: perform irqentry in entry code
  irq: add a (temporary) CONFIG_HANDLE_DOMAIN_IRQ_IRQENTRY
  irq: nds32: avoid CONFIG_HANDLE_DOMAIN_IRQ
  irq: arc: avoid CONFIG_HANDLE_DOMAIN_IRQ
  irq: add generic_handle_arch_irq()
  irq: unexport handle_irq_desc()
  irq: simplify handle_domain_{irq,nmi}()
  irq: mips: simplify do_domain_IRQ()
  irq: mips: stop (ab)using handle_domain_irq()
  irq: mips: simplify bcm6345_l1_irq_handle()
  irq: mips: avoid nested irq_enter()

Signed-off-by: Marc Zyngier <maz@kernel.org>
2021-10-28 13:34:52 +01:00
Marian-Cristian Rotariu d2cf863a93 dt-bindings: irqchip: renesas-irqc: Document r8a774e1 bindings
Document SoC specific bindings for RZ/G2H (r8a774e1) SoC.

Signed-off-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/53317ce1bdd1d5e517122eb5c8ea0ccaa69eba3b.1635337428.git.geert+renesas@glider.be
2021-10-28 13:33:58 +01:00
Sergio Paracuellos a5690a521c dt-bindings: mips: convert Ralink SoCs and boards to schema
Convert Ralink SoCs and boards bindings to YAML schema.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20211019041659.15761-1-sergio.paracuellos@gmail.com
Signed-off-by: Rob Herring <robh@kernel.org>
2021-10-28 07:27:26 -05:00
Michal Simek 5628d9f1cd dt-bindings: display: xilinx: Fix example with psgtr
Commit cea0f76a48 ("dt-bindings: phy: Add DT bindings for Xilinx ZynqMP
PSGTR PHY") clearly defines #phy-cells as 4. In past 5 cells were used by
it never went to upstream. That's why fix example by using only 4 cells
instead of 5.

Fixes: e7c7970a67 ("dt-bindings: display: xlnx: Add ZynqMP DP subsystem bindings")
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://lore.kernel.org/r/a291be294dea6e580ad9acd436742a48b7cd00a2.1634539210.git.michal.simek@xilinx.com
Signed-off-by: Rob Herring <robh@kernel.org>
2021-10-28 07:27:26 -05:00
David Heidelberg 243dde59a0 dt-bindings: net: nfc: nxp,pn544: Convert txt bindings to yaml
Convert bindings for NXP PN544 NFC driver to YAML syntax.

Signed-off-by: David Heidelberg <david@ixit.cz>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20211017160210.85543-1-david@ixit.cz
Signed-off-by: Rob Herring <robh@kernel.org>
2021-10-28 07:27:26 -05:00
Rob Herring 28ead0a4e4 dt-bindings: Add a help message when dtschema tools are missing
The dtschema version check works, but is not that clear when dtschema is
either not installed or not in the PATH. Add a separate check and
message if dt-doc-validate is not found.

Cc: Luca Ceresoli <luca@lucaceresoli.net>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
2021-10-28 07:27:26 -05:00
Tony Lindgren b63c87a120 dt-bindings: bus: ti-sysc: Update to use yaml binding
Update the binding for ti-sysc interconnect target module driver to yaml
format.

Note that the old binding was never updated for the need to always specify
also the generic compatible "ti,sysc". This is needed for the auxdata
for platform clockdomain autoidle related functions.

Cc: Rob Herring <robh@kernel.org>
Cc: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Link: https://lore.kernel.org/r/20211015113350.35830-1-tony@atomide.com
[robh: dedupe reg-names and clock-names entries]
Signed-off-by: Rob Herring <robh@kernel.org>
2021-10-28 07:27:26 -05:00
Nishanth Menon f99e2bf554 dt-bindings: sram: Allow numbers in sram region node name
Sram regions node name describes the region of reserved memory and can
be names such as l3cache@1000. Permit numbers to be used as part of the
reserved memory node name.

Signed-off-by: Nishanth Menon <nm@ti.com>
Link: https://lore.kernel.org/r/20211012154833.14111-1-nm@ti.com
Signed-off-by: Rob Herring <robh@kernel.org>
2021-10-28 07:27:26 -05:00
Andy Isaacson a83849a3a9 docs: mmc: update maintainer name and URL
The mmc-utils repo is no longer in /cjb/ and Ulf has taken over
maintenance.

Signed-off-by: Andy Isaacson <adi@hexapodia.org>
Link: https://lore.kernel.org/r/20211027230505.GA23994@hexapodia.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-10-28 11:54:54 +02:00
Mark Brown d198c77b7f arm64: Document boot requirements for FEAT_SME_FA64
The EAC1 release of the SME specification adds the FA64 feature which
requires enablement at higher ELs before lower ELs can use it. Document
what we require from higher ELs in our boot requirements.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20211026111802.12853-1-broonie@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
2021-10-28 09:30:15 +01:00
Dave Airlie de99e64798 Merge tag 'drm-msm-next-2021-10-26' of https://gitlab.freedesktop.org/drm/msm into drm-next
* eDP support in DP sub-driver (for newer SoCs with native eDP output)
* dpu irq handling cleanup
* CRC support for making igt happy
* Support for NO_CONNECTOR bridges
* dsi: 14nm phy support for msm8953
* mdp5: support for msm8x53, sdm450, sdm632
* various smaller fixes and cleanups

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rob Clark <robdclark@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGsH9EwcpqGNNRJeL99NvFFjHX3SUg+nTYu0dHG5U9+QuA@mail.gmail.com
2021-10-28 15:07:48 +10:00
Dave Airlie 970eae1560 Linux 5.15-rc7
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BackMerge tag 'v5.15-rc7' into drm-next

The msm next tree is based on rc3, so let's just backmerge rc7 before pulling it in.

Signed-off-by: Dave Airlie <airlied@redhat.com>
2021-10-28 14:59:38 +10:00
Guenter Roeck 38d9f06c57 hwmon: (tmp401) Drop support for TMP461
TMP461 is almost identical to TMP451, which is already supported by the
lm90 driver. At the same time, unlike other sensors from the TMP401
compatible series, it only supports 8-bit temperature read operations,
and it supports negative temperatures when configured for its default
temperature range, and it supports a temperature offset register.
Supporting this chip in the tmp401 driver adds unnecessary complexity.
Remove its support from this driver and support the chip with the lm90
driver instead.

Fixes: 24333ac26d ("hwmon: (tmp401) use smb word operations instead of 2 smb byte operations")
Reported-by: David T. Wilson <david.wilson@nasa.gov>
Cc: David T. Wilson <david.wilson@nasa.gov>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-10-27 19:48:19 -07:00
Guenter Roeck f8344f7693 hwmon: (lm90) Add basic support for TI TMP461
TMP461 is almost identical to TMP451 and was actually detected as TMP451
with the existing lm90 driver if its I2C address is 0x4c. Add support
for it to the lm90 driver. At the same time, improve the chip detection
function to at least try to distinguish between TMP451 and TMP461.

As a side effect, this fixes commit 24333ac26d ("hwmon: (tmp401) use
smb word operations instead of 2 smb byte operations"). TMP461 does not
support word operations on temperature registers, which causes bad
temperature readings with the tmp401 driver. The lm90 driver does not
perform word operations on temperature registers and thus does not have
this problem.

Support is listed as basic because TMP461 supports a sensor resolution
of 0.0625 degrees C, while the lm90 driver assumes a resolution of 0.125
degrees C. Also, the TMP461 supports negative temperatures with its
default temperature range, which is not the case for similar chips
supported by the lm90 and the tmp401 drivers. Those limitations will be
addressed with follow-up patches.

Fixes: 24333ac26d ("hwmon: (tmp401) use smb word operations instead of 2 smb byte operations")
Reported-by: David T. Wilson <david.wilson@nasa.gov>
Cc: David T. Wilson <david.wilson@nasa.gov>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-10-27 19:48:19 -07:00
Randy Dunlap f821615167 ptp: Document the PTP_CLK_MAGIC ioctl number
Add PTP_CLK_MAGIC to the userspace-api/ioctl/ioctl-number.rst
documentation file.

Fixes: d94ba80ebb ("ptp: Added a brand new class driver for ptp clocks.")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20211024163831.10200-1-rdunlap@infradead.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-10-27 17:02:51 -07:00
Tanmay Jagdale 0ab47f8079 dt-bindings: coresight: Add burst size for TMC
Add "arm,max-burst-size" optional property for TMC ETR.
If specified, this value indicates the maximum burst size
that can be initiated by TMC on the AXI bus.

Signed-off-by: Tanmay Jagdale <tanmay@marvell.com>
Reviewed-by: Mike Leach <mike.leach@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210901131049.1365367-2-tanmay@marvell.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
2021-10-27 11:44:32 -06:00
Oskar Senft 1bfaa49abf dt-bindings: hwmon: Add nct7802 bindings
This change documents the device tree bindings for the Nuvoton
NCT7802Y driver.

Signed-off-by: Oskar Senft <osk@google.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211020164213.174597-1-osk@google.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-10-27 10:42:22 -07:00
Greg Kroah-Hartman 27182be962 phy-for-5.16
- New support:
 	- Kirin 970 PCIe PHY driver
 	- Qualcomm QCM2290 USB2 and USB3 support
 
   - Updates:
         - Qualcomm synopsis phy driver updates
 	- sc8180x PCIe update
 	- cadence-torrent driver updates for output reference clock
 	- stm32 phy tuning support
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Merge tag 'phy-for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy into char-misc-next

Vinod writes:

phy-for-5.16

  - New support:
	- Kirin 970 PCIe PHY driver
	- Qualcomm QCM2290 USB2 and USB3 support

  - Updates:
        - Qualcomm synopsis phy driver updates
	- sc8180x PCIe update
	- cadence-torrent driver updates for output reference clock
	- stm32 phy tuning support

* tag 'phy-for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (28 commits)
  phy: Sparx5 Eth SerDes: Fix return value check in sparx5_serdes_probe()
  phy: qcom-snps: Correct the FSEL_MASK
  phy: hisilicon: Add of_node_put() in phy-hisi-inno-usb2
  phy: qcom-qmp: another fix for the sc8180x PCIe definition
  phy: cadence-torrent: Add support to output received reference clock
  phy: cadence-torrent: Model reference clock driver as a clock to enable derived refclk
  dt-bindings: phy: cadence-torrent: Add clock IDs for derived and received refclk
  phy: cadence-torrent: Migrate to clk_hw based registration and OF APIs
  phy: ti: gmii-sel: check of_get_address() for failure
  dt-bindings: phy: qcom,qmp: IPQ6018 and IPQ8074 PCIe PHY require no supply
  phy: stm32: add phy tuning support
  dt-bindings: phy: phy-stm32-usbphyc: add optional phy tuning properties
  phy: stm32: restore utmi switch on resume
  dt-bindings: phy: rockchip: remove usb-phy fallback string for rk3066a/rk3188
  phy: qcom-qusb2: Fix a memory leak on probe
  phy: qcom-qmp: Add QCM2290 USB3 PHY support
  dt-bindings: phy: qcom,qmp: Add QCM2290 USB3 PHY
  phy: qcom-qusb2: Add missing vdd supply
  dt-bindings: phy: qcom,qusb2: Add missing vdd-supply
  phy: rockchip-inno-usb2: Make use of the helper function devm_add_action_or_reset()
  ...
2021-10-27 17:01:16 +02:00
Greg Kroah-Hartman db788e6bf6 Update extcon next for v5.16
Detailed description for this pull request:
 1. Add support for TUSB320L and update tusb320 extcon driver
 - The existing extcon-usbc-tusb320 driver is updated
 for supporting the mode setting and reset operation.
 Also, this driver supports the simliar TUSB320L device
 at the same extcon-usbc-tusb320 extcon provider driver.
 
 2. Use p-unit semaphone lock for register access for extcon-axp288
 driver
 
 3. Update the minor clean-up for extcon-max3355 and extcon-usb-gpio
 driver.
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Merge tag 'extcon-next-for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon into char-misc-next

Chanwoo writes:

Update extcon next for v5.16

Detailed description for this pull request:
1. Add support for TUSB320L and update tusb320 extcon driver
- The existing extcon-usbc-tusb320 driver is updated
for supporting the mode setting and reset operation.
Also, this driver supports the simliar TUSB320L device
at the same extcon-usbc-tusb320 extcon provider driver.

2. Use p-unit semaphone lock for register access for extcon-axp288
driver

3. Update the minor clean-up for extcon-max3355 and extcon-usb-gpio
driver.

* tag 'extcon-next-for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon:
  dt-bindings: extcon: usbc-tusb320: Add TUSB320L compatible string
  extcon: usbc-tusb320: Add support for TUSB320L
  extcon: usbc-tusb320: Add support for mode setting and reset
  extcon: extcon-axp288: Use P-Unit semaphore lock for register accesses
  extcon: max3355: Drop unused include
  extcon: usb-gpio: Use the right includes
2021-10-27 16:49:55 +02:00
Gabriel Krisman Bertazi c0baf9ac0b docs: Document the FAN_FS_ERROR event
Document the FAN_FS_ERROR event for user administrators and user space
developers.

Link: https://lore.kernel.org/r/20211025192746.66445-32-krisman@collabora.com
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jan Kara <jack@suse.cz>
2021-10-27 12:53:47 +02:00
George Song 8af1f90339
ASoC: dt-bindings: max98520: add initial bindings
add initial bindings for max98520 audio amplifier

Signed-off-by: George Song <george.song@maximintegrated.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211027001431.363-1-george.song@maximintegrated.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-10-27 11:31:22 +01:00
Alexander Stein 5d03907bbf
ASoC: meson: t9015: Add missing AVDD-supply property
Fixes the schema check warning "audio-controller@32000: 'AVDD-supply'
do not match any of the regexes: 'pinctrl-[0-9]+'"

Fixes: 5c36abcd26 ("ASoC: meson: add t9015 internal codec binding documentation")
Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Alexander Stein <alexander.stein@mailbox.org>
Link: https://lore.kernel.org/r/20211026182754.900688-1-alexander.stein@mailbox.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-10-27 11:31:04 +01:00
Roderick Colenbrander 61177c088a leds: add new LED_FUNCTION_PLAYER for player LEDs for game controllers.
Player LEDs are commonly found on game controllers from Nintendo and Sony
to indicate a player ID across a number of LEDs. For example, "Player 2"
might be indicated as "-x--" on a device with 4 LEDs where "x" means on.

This patch introduces LED_FUNCTION_PLAYER1-5 defines to properly indicate
player LEDs from the kernel. Until now there was no good standard, which
resulted in inconsistent behavior across xpad, hid-sony, hid-wiimote and
other drivers. Moving forward new drivers should use LED_FUNCTION_PLAYERx.

Note: management of Player IDs is left to user space, though a kernel
driver may pick a default value.

Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2021-10-27 09:49:29 +02:00
Yassine Oudjana 9e6ef3a25e dt-bindings: extcon: usbc-tusb320: Add TUSB320L compatible string
Add a compatible string for TUSB320L.

Signed-off-by: Yassine Oudjana <y.oudjana@protonmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
2021-10-27 14:13:39 +09:00
Damien Le Moal 9d82464288 doc: Fix typo in request queue sysfs documentation
Fix a typo (are -> as) in the introduction paragraph of
Documentation/block/queue-sysfs.rst.

Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Link: https://lore.kernel.org/r/20211027022223.183838-6-damien.lemoal@wdc.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-10-26 21:01:48 -06:00
Damien Le Moal 6b3bae2324 doc: document sysfs queue/independent_access_ranges attributes
Update the file Documentation/block/queue-sysfs.rst to add a description
of a device queue sysfs entries related to independent access ranges
(e.g. concurrent positioning ranges for multi-actuator hard-disks).

Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Link: https://lore.kernel.org/r/20211027022223.183838-5-damien.lemoal@wdc.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-10-26 21:01:48 -06:00
Linus Walleij f2b883bbdd dt-bindings: clock: u8500: Rewrite in YAML and extend
This rewrites the ux500/u8500 clock bindings in YAML schema and extends them
with the PRCC reset controller.

The bindings are a bit idiomatic but it just reflects their age, the ux500
platform was used as guinea pig for early device tree conversion of platforms
in 2015. The new subnode for the reset controller follows the pattern of the
old bindings and adds a node with reset-cells for this.

Cc: devicetree@vger.kernel.org
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20210921184803.1757916-1-linus.walleij@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-10-26 18:03:41 -07:00
Kalesh Singh 2d2f6d4b8c tracing/histogram: Document expression arithmetic and constants
Histogram expressions now support division, and multiplication in
addition to the already supported subtraction and addition operators.

Numeric constants can also be used in a hist trigger expressions
or assigned to a variable and used by refernce in an expression.

Link: https://lkml.kernel.org/r/20211025200852.3002369-9-kaleshsingh@google.com

Signed-off-by: Kalesh Singh <kaleshsingh@google.com>
Reviewed-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2021-10-26 20:27:20 -04:00
Joey Gouly aa68e1b80d dt-bindings: pinctrl: Add apple,npins property to apple,pinctrl
This property is used to describe the total number of pins on this
particular pinctrl hardware block.

Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211026175815.52703-4-joey.gouly@arm.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2021-10-27 00:16:44 +02:00
Joey Gouly 69533cd3a1 dt-bindings: pinctrl: add #interrupt-cells to apple,pinctrl
The GPIO/pinctrl hardware can act as an interrupt-controller, so add
the #interrupt-cells property to the binding.

Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Reviewed-by: Sven Peter <sven@svenpeter.dev>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211026175815.52703-3-joey.gouly@arm.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2021-10-27 00:16:36 +02:00
Tiezhu Yang 438697a39f docs, kprobes: Remove invalid URL and add new reference
The following reference is invalid, remove it.
https://www.ibm.com/developerworks/library/l-kprobes/index.html

Add the following new reference "An introduction to KProbes":
https://lwn.net/Articles/132196/

Link: https://lkml.kernel.org/r/1635213091-24387-3-git-send-email-yangtiezhu@loongson.cn

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2021-10-26 17:23:46 -04:00
Daeho Jeong 6691d940b0 f2fs: introduce fragment allocation mode mount option
Added two options into "mode=" mount option to make it possible for
developers to simulate filesystem fragmentation/after-GC situation
itself. The developers use these modes to understand filesystem
fragmentation/after-GC condition well, and eventually get some
insights to handle them better.

"fragment:segment": f2fs allocates a new segment in ramdom position.
		With this, we can simulate the after-GC condition.
"fragment:block" : We can scatter block allocation with
		"max_fragment_chunk" and "max_fragment_hole" sysfs
		nodes. f2fs will allocate 1..<max_fragment_chunk>
		blocks in a chunk and make a hole in the length of
		1..<max_fragment_hole> by turns	in a newly allocated
		free segment. Plus, this mode implicitly enables
		"fragment:segment" option for more randomness.

Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Daeho Jeong <daehojeong@google.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2021-10-26 14:04:30 -07:00
Arnd Bergmann d584cdc9e8 Qualcomm ARM64 DTS additional patches for v5.16
The RPM and RPMh sleep stats are introduced on a number of platforms, to
 aid the enablement of entering low power mode.
 
 The MSM8916 support receives some polishing touches, followed by
 introduction of the necessary pieces to use the DeviceTree on 32-bit
 variants of the MSM8916 platform, in particular to boot the secondary
 CPUs. Based on this support for the Samsung Galaxy S4 Mini Value Edition
 is introduced.
 
 The Asus Zenfone 2 Laser gained touchscreen, sensors and sdcard support.
 
 MSM8996 got support for the its crypto hardware and the Xiaomi Mi 5
 gained a description of its LCD panel.
 
 The Trogdor device on SC7180 gained support for a second source eDP
 brigde, while SC7280 gains PCIe support and the newly introduced
 Herobrine device.
 
 Both MSM8916 and SDM845 has their standalong SMEM node dropped, in favour
 of the newly introduced support for specifying the compatible directly
 on the reserved-memory node.
 
 The SM7225 platform is introduced, as a derrivative of SM6350, initial
 support for the PM6350 PMIC and based on this the Fairphone 4 is
 introduced.
 
 The RB3 and RB5 devices gains msm-id and board-id, to allow the two DTBs
 to be baked into a single boot.img that can be booted on both devices.
 
 As the GDSC driver has been extended to properly describe the
 relationship between MMCX and MDSS_GDSC, the now deprecated mmcx
 regulator is removed from SM8250.
 
 SM8350 gained CPU topology, idle-states and fastrpc support. FastRPC was
 also added for SM8150 and the SA8155p ADP got a couple of remoteprocs
 enabled.
 
 Additionally a number of DT validation issues was corrected across the
 various platforms and devices.
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Merge tag 'qcom-arm64-for-5.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/dt

Qualcomm ARM64 DTS additional patches for v5.16

The RPM and RPMh sleep stats are introduced on a number of platforms, to
aid the enablement of entering low power mode.

The MSM8916 support receives some polishing touches, followed by
introduction of the necessary pieces to use the DeviceTree on 32-bit
variants of the MSM8916 platform, in particular to boot the secondary
CPUs. Based on this support for the Samsung Galaxy S4 Mini Value Edition
is introduced.

The Asus Zenfone 2 Laser gained touchscreen, sensors and sdcard support.

MSM8996 got support for the its crypto hardware and the Xiaomi Mi 5
gained a description of its LCD panel.

The Trogdor device on SC7180 gained support for a second source eDP
brigde, while SC7280 gains PCIe support and the newly introduced
Herobrine device.

Both MSM8916 and SDM845 has their standalong SMEM node dropped, in favour
of the newly introduced support for specifying the compatible directly
on the reserved-memory node.

The SM7225 platform is introduced, as a derrivative of SM6350, initial
support for the PM6350 PMIC and based on this the Fairphone 4 is
introduced.

The RB3 and RB5 devices gains msm-id and board-id, to allow the two DTBs
to be baked into a single boot.img that can be booted on both devices.

As the GDSC driver has been extended to properly describe the
relationship between MMCX and MDSS_GDSC, the now deprecated mmcx
regulator is removed from SM8250.

SM8350 gained CPU topology, idle-states and fastrpc support. FastRPC was
also added for SM8150 and the SA8155p ADP got a couple of remoteprocs
enabled.

Additionally a number of DT validation issues was corrected across the
various platforms and devices.

* tag 'qcom-arm64-for-5.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (77 commits)
  Revert "arm64: dts: qcom: msm8916-asus-z00l: Add sensors"
  arm64: dts: qcom: ipq6018: Remove unused 'iface_clk' property from dma-controller node
  arm64: dts: qcom: ipq6018: Remove unused 'qcom,config-pipe-trust-reg' property
  arm64: dts: qcom: sm8350: Add CPU topology and idle-states
  arm64: dts: qcom: Drop unneeded extra device-specific includes
  arm64: dts: qcom: msm8916: Drop standalone smem node
  arm64: dts: qcom: Fix node name of rpm-msg-ram device nodes
  arm64: dts: qcom: msm8916-asus-z00l: Add sensors
  arm64: dts: qcom: msm8916-asus-z00l: Add SDCard
  arm64: dts: qcom: msm8916-asus-z00l: Add touchscreen
  arm64: dts: qcom: sdm845-oneplus: remove devinfo-size from ramoops node
  arm64: dts: qcom: sdm845: Fix Qualcomm crypto engine bus clock
  arm64: dts: qcom: msm8996: Add device tree entries to support crypto engine
  arm64: dts: qcom: msm8996: move clock-frequency from PN547 NFC to I2C bus
  arm64: dts: qcom: msm8916-asus-z00l: Add sensors
  arm64: dts: qcom: sdm630: Add disabled Venus support
  arm64: dts: qcom: pm660l: Remove board-specific WLED configuration
  arm64: dts: qcom: Move WLED num-strings from pmi8994 to sony-xperia-tone
  arm64: dts: qcom: pmi8994: Remove hardcoded linear WLED enabled-strings
  arm64: dts: qcom: pmi8994: Fix "eternal"->"external" typo in WLED node
  ...

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-26 22:28:18 +02:00
Fengquan Chen eed0987892 dt-bindings: watchdog: mtk-wdt: add disable_wdt_extrst support
This patch add a description and example of disable_wdt_extrst
element for watchdog on MTK Socs

Signed-off-by: Fengquan Chen <fengquan.chen@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210914123454.32603-2-Fengquan.Chen@mediatek.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2021-10-26 21:31:10 +02:00
Samuel Holland 601db21791 dt-bindings: watchdog: sunxi: Add compatibles for D1
D1 keeps the same register layout and clock sources as the R329, but it
adds a key field which must be set to update the watchdog's "CFG" and
"MODE" registers. Therefore it is not backward-compatible.

Similarly to the R329, the D1 has three watchdog instances, and only one
of them has the "soft reset" registers. So that instance needs an extra
compatible string.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Acked-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210902225750.29313-3-samuel@sholland.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2021-10-26 21:31:08 +02:00
Samuel Holland 55f36df9ec dt-bindings: watchdog: sunxi: Add compatibles for R329
On existing SoCs, the watchdog has a single clock input: HOSC (OSC24M)
divided by 750.  However, starting with R329, LOSC (OSC32k) is added as
an alternative clock source, with a bit to switch between them.

Since 24 MHz / 750 == 32 kHz, not 32.768 kHz, the hardware adjusts the
cycle counts to keep the timeouts independent of the clock source. This
keeps the programming interface backward-compatible.

Furthermore, the R329 has two watchdogs: one for use by the ARM CPUs
at 0x20000a0, and a second one for use by the DSPs at 0x7020400. The
first of these adds two more new registers, to allow software to
immediately assert the SoC reset signal. Add an additional "-reset"
suffix to signify the presence of this feature.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Acked-by: Maxime Ripard <maxime@cerno.tech>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210902225750.29313-2-samuel@sholland.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2021-10-26 21:31:07 +02:00
Mark Brown 1af4d2e785
Merge series "Update Lpass digital codec macro drivers" from Srinivasa Rao Mandadapu <srivasam@codeaurora.org>:
This patch set is to add support for lpass sc7280 based targets.
Upadate compatible name and change of bulk clock voting to optional
clock voting in digital codecs va, rx, tx macro drivers.

Changes Since V3:
    -- Removed fixes tag.
    -- Change signedoff by sequence.
Changes Since V2:
    -- Add Tx macro deafults for lpass sc7280
Changes Since V1:
    -- Removed individual clock voting and used bulk clock optional.
    -- Removed volatile changes and fixed default values.
    -- Typo errors.
Srinivasa Rao Mandadapu (5):
  ASoC: qcom: Add compatible names in va,wsa,rx,tx codec drivers for
    sc7280
  ASoC: qcom: dt-bindings: Add compatible names for lpass sc7280 digital
    codecs
  ASoC: codecs: tx-macro: Enable tx top soundwire mic clock
  ASoC: codecs: tx-macro: Update tx default values
  ASoC: codecs: Change bulk clock voting to optional voting in digital
    codecs

 .../bindings/sound/qcom,lpass-rx-macro.yaml        |  4 +++-
 .../bindings/sound/qcom,lpass-tx-macro.yaml        |  4 +++-
 .../bindings/sound/qcom,lpass-va-macro.yaml        |  4 +++-
 .../bindings/sound/qcom,lpass-wsa-macro.yaml       |  4 +++-
 sound/soc/codecs/lpass-rx-macro.c                  |  3 ++-
 sound/soc/codecs/lpass-tx-macro.c                  | 25 +++++++++++++++++++---
 sound/soc/codecs/lpass-va-macro.c                  |  3 ++-
 sound/soc/codecs/lpass-wsa-macro.c                 |  1 +
 8 files changed, 39 insertions(+), 9 deletions(-)

--
Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc.,
is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.
2021-10-26 20:00:40 +01:00
Jakub Kicinski 6b3671746a net/mlx5: remove the recent devlink params
revert commit 46ae40b94d ("net/mlx5: Let user configure io_eq_size param")
revert commit a6cb08daa3 ("net/mlx5: Let user configure event_eq_size param")
revert commit 5546040619 ("net/mlx5: Let user configure max_macs param")

The EQE parameters are applicable to more drivers, they should
be configured via standard API, probably ethtool. Example of
another driver needing something similar:

https://lore.kernel.org/all/1633454136-14679-3-git-send-email-sbhatta@marvell.com/

The last param for "max_macs" is probably fine but the documentation
is severely lacking. The meaning and implications for changing the
param need to be stated.

Link: https://lore.kernel.org/r/20211026152939.3125950-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-10-26 10:18:32 -07:00
Johan Hovold ebcf652dbb Documentation: USB: fix example bulk-message timeout
USB bulk-message timeouts are specified in milliseconds and should
specifically not vary with CONFIG_HZ.

Use a fixed five-second timeout in the "Writing USB Device Drivers"
example.

Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20211025115159.4954-2-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-26 19:12:27 +02:00
Arnd Bergmann 9271fccb00 Qualcomm DTS more changes for v5.16
The multi-purpose-pin (MPP) driver is finally migrated to use
 hierarchical IRQ domains, so this bring the associated changes.
 
 The remainder of the changes are correcting binding issues, primarily
 found through DT validation.
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Merge tag 'qcom-dts-for-5.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/dt

Qualcomm DTS more changes for v5.16

The multi-purpose-pin (MPP) driver is finally migrated to use
hierarchical IRQ domains, so this bring the associated changes.

The remainder of the changes are correcting binding issues, primarily
found through DT validation.

* tag 'qcom-dts-for-5.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (26 commits)
  ARM: dts: qcom: fix typo in IPQ8064 thermal-sensor node
  ARM: dts: qcom: fix thermal zones naming
  ARM: dts: qcom: fix flash node naming for RB3011
  ARM: dts: qcom: correct mmc node naming
  ARM: dts: qcom: fix memory and mdio nodes naming for RB3011
  dt-bindings: arm: qcom: Fix Nexus 4 vendor prefix
  ARM: dts: ipq4019-ap.dk01.1-c1: add device compatible in the dts
  dt-bindings: arm: qcom-ipq4019: add missing device compatible
  ARM: dts: qcom: apq8026-lg-lenok: rename board vendor
  dt-bindings: arm: qcom: rename vendor of apq8026-lenok
  ARM: dts: qcom: sdx55: Drop '#clock-cells' from QMP PHY node
  ARM: dts: qcom: mdm9615: fix memory node for Sierra Wireless WP8548
  ARM: dts: qcom-pma8084: add interrupt controller properties
  ARM: dts: qcom-pm8941: add interrupt controller properties
  ARM: dts: qcom-pm8841: add interrupt controller properties
  ARM: dts: qcom-msm8660: add interrupt controller properties
  ARM: dts: qcom-mdm9615: add interrupt controller properties
  ARM: dts: qcom-apq8064: add interrupt controller properties
  ARM: dts: qcom-apq8060-dragonboard: fix mpps state names
  ARM: dts: qcom-mdm9615: add gpio-ranges to mpps node, fix its name
  ...

Link: https://lore.kernel.org/r/20211026135855.1205262-1-bjorn.andersson@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-26 18:14:34 +02:00
Len Baker 3577cdb23b docs: deprecated.rst: Clarify open-coded arithmetic with literals
Although using literals for size calculation in allocator arguments may
be harmless due to compiler warnings in case of overflows, it is better
to refactor the code to avoid the use of open-coded arithmetic.

So, clarify the preferred way in these cases.

Suggested-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Len Baker <len.baker@gmx.com>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/20210925143455.21221-1-len.baker@gmx.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-10-26 09:43:54 -06:00
Trevor Woerner c04639a7d2 coding-style.rst: trivial: fix location of driver model macros
The dev_printk()-like functions moved to include/linux/dev_print.h in
commit af628aae86 ("device.h: move dev_printk()-like functions to
dev_printk.h").

Signed-off-by: Trevor Woerner <twoerner@gmail.com>
Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Reviewed-by: Miguel Ojeda <ojeda@kernel.org>
Link: https://lore.kernel.org/r/20210423184012.39300-1-twoerner@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-10-26 09:39:49 -06:00
Chester Lin 12753e6b6b dt-bindings: mmc: fsl-imx-esdhc: add NXP S32G2 support
Add support for the SDHC binding of S32G2.

Signed-off-by: Chester Lin <clin@suse.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Link: https://lore.kernel.org/r/20211021071333.32485-2-clin@suse.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-10-26 17:37:32 +02:00
Fengnan Chang 8c3b018874 docs: f2fs: fix text alignment
The docs build was generating this warning:

  Documentation/filesystems/f2fs.rst:306: WARNING: Block quote ends without a blank line; unexpected unindent.

Remove the extra white space that was confusing sphinx.

Fixes: 151b1982be (f2fs: compress: add nocompress extensions support)
Signed-off-by: Fengnan Chang <changfengnan@vivo.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Link: https://lore.kernel.org/r/20211023025833.216030-1-changfengnan@vivo.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-10-26 09:33:22 -06:00
Yanteng Si 5d045f9511 docs/zh_CN add PCI pci.rst translation
Translate ../PCI/pci.rst into Chinese

Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Link: https://lore.kernel.org/r/3f871a60421d4079421b4184fdeb789d92a5ea11.1635248253.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-10-26 09:26:22 -06:00
Yanteng Si d9bfdf183b docs/zh_CN add PCI index.rst translation
Translate ../PCI/index.rst into Chinese

Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Link: https://lore.kernel.org/r/668466823fd2b66768553f12199bce74e8450f78.1635248253.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-10-26 09:26:22 -06:00
Arnd Bergmann e2a3495bf9 More Qualcomm driver updates for v5.16
This introduces the Qualcomm "sleep stats" driver, which aids the
 efforts of bringing various Qualcomm platforms into low power mode.
 
 The SMP2P driver gains support for negotiating the "SSR" feature, which
 is used to better synchronize some corner cases that might appear as the
 remoteproc is recovering from a crash.
 
 The socinfo driver learns about a few new PMICs.
 
 SMEM is updated so that it's possible to put the compatible property
 directly in the reserved-memory node, to avoid having to have a separate
 node just pointing to the memory-region.
 
 Lastly it fixes some bugs in smp2p, apr, rpmhpd drivers, notably
 avoiding the issue where powering on a power-domain using rpmhpd while
 keeping the performance_state at 0 is a nop
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Merge tag 'qcom-drivers-for-5.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/drivers

More Qualcomm driver updates for v5.16

This introduces the Qualcomm "sleep stats" driver, which aids the
efforts of bringing various Qualcomm platforms into low power mode.

The SMP2P driver gains support for negotiating the "SSR" feature, which
is used to better synchronize some corner cases that might appear as the
remoteproc is recovering from a crash.

The socinfo driver learns about a few new PMICs.

SMEM is updated so that it's possible to put the compatible property
directly in the reserved-memory node, to avoid having to have a separate
node just pointing to the memory-region.

Lastly it fixes some bugs in smp2p, apr, rpmhpd drivers, notably
avoiding the issue where powering on a power-domain using rpmhpd while
keeping the performance_state at 0 is a nop

* tag 'qcom-drivers-for-5.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
  firmware: qcom: scm: Don't break compile test on non-ARM platforms
  soc: qcom: smp2p: Add of_node_put() before goto
  soc: qcom: apr: Add of_node_put() before return
  soc: qcom: qcom_stats: Fix client votes offset
  soc: qcom: rpmhpd: fix sm8350_mxc's peer domain
  dt-bindings: arm: cpus: Document qcom,msm8916-smp enable-method
  ARM: qcom: Add qcom,msm8916-smp enable-method identical to MSM8226
  firmware: qcom: scm: Add support for MC boot address API
  soc: qcom: spm: Add 8916 SPM register data
  dt-bindings: soc: qcom: spm: Document qcom,msm8916-saw2-v3.0-cpu
  soc: qcom: socinfo: Add PM8150C and SMB2351 models
  firmware: qcom_scm: Fix error retval in __qcom_scm_is_call_available()
  soc: qcom: smp2p: add feature negotiation and ssr ack feature support
  soc: qcom: Add Sleep stats driver
  dt-bindings: Introduce QCOM Sleep stats bindings
  soc: qcom: socinfo: add two missing PMIC IDs
  soc: qcom: rpmhpd: Make power_on actually enable the domain
  soc: qcom: smem: Support reserved-memory description
  dt-bindings: soc: smem: Make indirection optional
  dt-bindings: sram: Document qcom,rpm-msg-ram

Link: https://lore.kernel.org/r/20211026140706.1205989-1-bjorn.andersson@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-26 17:17:57 +02:00
Arnd Bergmann 64954d19e0 Samsung SoC drivers changes for v5.16
1. Convert Exynos ChipID and ASV driver to a module and make it a
    default, instead of selected. The driver is not essential, so it
    could be disabled, if needed.
 2. Add support for Exynos850 and Exynos Auto v9 to Exynos ChipID and ASV
    driver.
 3. Get rid of HAVE_S3C_RTC because it was adding just another layer
    instead of direct dependencies.
 4. Minor cleanups.
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Merge tag 'samsung-drivers-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/drivers

Samsung SoC drivers changes for v5.16

1. Convert Exynos ChipID and ASV driver to a module and make it a
   default, instead of selected. The driver is not essential, so it
   could be disabled, if needed.
2. Add support for Exynos850 and Exynos Auto v9 to Exynos ChipID and ASV
   driver.
3. Get rid of HAVE_S3C_RTC because it was adding just another layer
   instead of direct dependencies.
4. Minor cleanups.

* tag 'samsung-drivers-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  soc: samsung: exynos-chipid: add exynosautov9 SoC support
  rtc: s3c: remove HAVE_S3C_RTC in favor of direct dependencies
  soc: samsung: exynos-chipid: Add Exynos850 support
  dt-bindings: samsung: exynos-chipid: Document Exynos850 compatible
  soc: samsung: exynos-chipid: Pass revision reg offsets
  soc: samsung: pm_domains: drop unused is_off field
  arm64: exynos: don't have ARCH_EXYNOS select EXYNOS_CHIPID
  soc: samsung: exynos-chipid: do not enforce built-in
  soc: samsung: exynos-chipid: convert to a module
  soc: samsung: exynos-chipid: avoid soc_device_to_device()
  soc: samsung: exynos-pmu: Fix compilation when nothing selects CONFIG_MFD_CORE

Link: https://lore.kernel.org/r/20211026094709.75692-2-krzysztof.kozlowski@canonical.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-26 17:16:03 +02:00
Niklas Schnelle 6aefbf1cdf s390/pci: add s390_iommu_aperture kernel parameter
Some applications map the same memory area for DMA multiple times while
also mapping significant amounts of memory. With our current DMA code
these applications will run out of DMA addresses after mapping half of
the available memory because the number of DMA mappings is constrained
by the number of concurrently active DMA addresses we support which in
turn is limited by the minimum of hardware constraints and high_memory.

Limiting the number of active DMA addresses to high_memory is only
a heuristic to save memory used by the iommu_bitmap and DMA page tables
however. This was added under the assumption that it rarely makes sense
to DMA map more than system memory.

To accommodate special applications which insist on double mapping, which
works on other platforms, allow specifying a factor of how many times
installed memory is available as DMA address space. Use 0 as a special
value to apply no constraints beyond what hardware dictates at the
expense of significantly more memory use.

Reviewed-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Pierre Morel <pmorel@linux.ibm.com>
Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2021-10-26 15:21:30 +02:00
Rafael J. Wysocki 46e9f92f31 Merge branches 'thermal-int340x', 'thermal-powerclamp' and 'thermal-docs'
Merge Intel thermal driver updates and a thermal documentation update
for v5.16.

* thermal-int340x:
  thermal: int340x: delete bogus length check

* thermal-powerclamp:
  thermal: intel_powerclamp: Use bitmap_zalloc/bitmap_free when applicable

* thermal-docs:
  thermal: Move ABI documentation to Documentation/ABI
2021-10-26 15:00:55 +02:00
Rafael J. Wysocki 83e8de89b9 - Constify a variable in thermal mmio driver (Rikard Falkeborn)
- Add the current temperature in the netlink message when crossing a
   trip point in order to prevent useless back and forth reading from
   userspace (Daniel Lezcano)
 
 - Add support for the 'HC' variant on PM8998 pmic in order to support
   vadc channels on recent QCom boards (Bjorn Andersson)
 
 - Add support of calibration values from hardware when they are fused
   (Niklas Söderlund)
 
 - Fix NULL pointer dereference from the thermal_release callback when
   an error occured in the thermal_zone_device_register() function
   (Yuanzheng Song)
 
 - Fix use after free call in the __thermal_cooling_device_register()
   function in the error path (Ziyang Xuan)
 
 - Fix compilation error for the LMh driver when CONFIG_QCOM_SCM is not
   set (Jackie Liu)
 
 - Add a timeout when reading a register which can block forever under
   certain circumstances in the tsens driver (Ansuel Smith)
 
 - Add DT binding for the reset lines and use them in the rockchip
   sensor driver (Johan Jonker)
 
 - Add new uniphier NX1 SoC temperature sensor (Kunihiko Hayashi)
 
 - Save and restore the TCC value in the int340x driver (Antoine
   Tenart)
 
 - Deprecate the cooling device state sysfs file writable and the user
   space governor (Daniel Lezcano)
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Merge tag 'thermal-v5.16-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/thermal/linux

Pull thermal core and ARM thermal driver updates for v5.16 from
Daniel Lezcano:

 - Constify a variable in thermal mmio driver (Rikard Falkeborn)

 - Add the current temperature in the netlink message when crossing a
   trip point in order to prevent useless back and forth reading from
   userspace (Daniel Lezcano)

 - Add support for the 'HC' variant on PM8998 pmic in order to support
   vadc channels on recent QCom boards (Bjorn Andersson)

 - Add support of calibration values from hardware when they are fused
   (Niklas Söderlund)

 - Fix NULL pointer dereference from the thermal_release callback when
   an error occured in the thermal_zone_device_register() function
   (Yuanzheng Song)

 - Fix use after free call in the __thermal_cooling_device_register()
   function in the error path (Ziyang Xuan)

 - Fix compilation error for the LMh driver when CONFIG_QCOM_SCM is not
   set (Jackie Liu)

 - Add a timeout when reading a register which can block forever under
   certain circumstances in the tsens driver (Ansuel Smith)

 - Add DT binding for the reset lines and use them in the rockchip
   sensor driver (Johan Jonker)

 - Add new uniphier NX1 SoC temperature sensor (Kunihiko Hayashi)

 - Save and restore the TCC value in the int340x driver (Antoine
   Tenart)

 - Deprecate the cooling device state sysfs file writable and the user
   space governor (Daniel Lezcano)

* tag 'thermal-v5.16-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/thermal/linux:
  thermal/core: Deprecate changing cooling device state from userspace
  thermal/core: Make the userspace governor deprecated
  thermal/drivers/int340x: Improve the tcc offset saving for suspend/resume
  thermal/drivers/uniphier: Add compatible string for NX1 SoC
  dt-bindings: thermal: uniphier: Add binding for NX1 SoC
  thermal/drivers/rockchip_thermal: Allow more resets for tsadc node
  dt-bindings: thermal: remove redundant comments from rockchip-thermal.yaml
  dt-bindings: thermal: allow more resets for tsadc node in rockchip-thermal.yaml
  thermal/drivers/tsens: Add timeout to get_temp_tsens_valid
  thermal/drivers/qcom/lmh: make QCOM_LMH depends on QCOM_SCM
  thermal/core: fix a UAF bug in __thermal_cooling_device_register()
  thermal/core: Fix null pointer dereference in thermal_release()
  thermal: rcar_gen3_thermal: Read calibration from hardware
  thermal: rcar_gen3_thermal: Store thcode and ptat in priv data
  thermal/drivers/qcom/spmi-adc-tm5: Add support for HC variant
  dt-bindings: thermal: qcom: add HC variant of adc-thermal monitor bindings
  thermal/drivers/netlink: Add the temperature when crossing a trip point
  thermal/drivers/thermal_mmio: Constify static struct thermal_mmio_ops
2021-10-26 14:59:13 +02:00
Srinivas Kandagatla 96d0232564
ASoC: dt-bindings: add q6apm digital audio stream bindings
On AudioReach audio Framework, Audio Streams (PCM/Compressed) are managed by
Q6APM(Audio Process Manager) service. This patch adds bindings for this DAIs
exposed by the DSP.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211026111655.1702-9-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-10-26 13:50:02 +01:00
Srinivas Kandagatla c04f02d63d
ASoC: dt-bindings: lpass-clocks: add q6prm clocks compatible
On AudioReach audio Framework access to LPASS ports is via Q6PRM
(Proxy Resource Manager) service, so add a dedicated lpass-clock compatible
string for this.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211026111655.1702-8-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-10-26 13:50:01 +01:00
Srinivas Kandagatla accaa13167
ASoC: dt-bindings: q6dsp: add q6apm-lpass-dai compatible
on AudioReach audio Framework access to LPASS ports is via
Q6APM(Audio Process Manager) service, so add a dedicated compatible
string for this.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211026111655.1702-7-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-10-26 13:50:00 +01:00
Srinivas Kandagatla e44cfc9d82
ASoC: dt-bindings: move LPASS clocks related bindings out of q6afe
q6afe (Audio Front End) is one of the DSP service that handles both
LPASS (Low Power Audio SubSystem) Audio ports and LPASS clocks.
As LPASS is a hardwware IP and commonly used by Qualcomm Audio DSP.
In order to allow  multiple DSP frameworks to use these bindings
its best to move it out from the dsp specific bindings.

For compatibility reasons and not breaking which is already working
we still maintain same compatible string "qcom,q6afe-clocks"

Also as part of this change convert these LPASS clocks related bindings
into yaml format.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211026111655.1702-3-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-10-26 13:49:56 +01:00
Srinivas Kandagatla e1b26ac902
ASoC: dt-bindings: move LPASS dai related bindings out of q6afe
q6afe (Audio Front End) is one of the DSP service that handles both
LPASS (Low Power Audio SubSystem) Audio ports and LPASS clocks.
As LPASS is a hardwware IP and commonly used by Qualcomm Audio DSP.
In order to allow  multiple DSP frameworks to use these bindings
its best to move it out from the dsp specific bindings.

For compatibility reasons and not breaking which is already working
we still maintain same compatible string "qcom,q6afe-dais"

Also as part of this change convert these LPASS dai related bindings
into yaml format.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211026111655.1702-2-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-10-26 13:49:55 +01:00
Mark Brown 21b178b8e9 v5.15-rc1 + 20210927135559.738-[23456]-srinivas.kandagatla@linaro.org
This immutable branch is based on v5.15-rc1 and contains the following
 patches extending the existig APR driver to also implement GPR:
 20210927135559.738-2-srinivas.kandagatla@linaro.org
 20210927135559.738-3-srinivas.kandagatla@linaro.org
 20210927135559.738-4-srinivas.kandagatla@linaro.org
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Merge tag '20210927135559.738-6-srinivas.kandagatla@linaro.org' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into v11_20211026_srinivas_kandagatla_asoc_qcom_add_audioreach_support for audioreach support

v5.15-rc1 + 20210927135559.738-[23456]-srinivas.kandagatla@linaro.org

This immutable branch is based on v5.15-rc1 and contains the following
patches extending the existig APR driver to also implement GPR:
20210927135559.738-2-srinivas.kandagatla@linaro.org
20210927135559.738-3-srinivas.kandagatla@linaro.org
20210927135559.738-4-srinivas.kandagatla@linaro.org
20210927135559.738-5-srinivas.kandagatla@linaro.org
20210927135559.738-6-srinivas.kandagatla@linaro.org
2021-10-26 13:49:25 +01:00
Srinivasa Rao Mandadapu 6e3b196e5a
ASoC: qcom: dt-bindings: Add compatible names for lpass sc7280 digital codecs
Update compatible names in va, wsa, rx and tx macro codes for lpass sc7280

Signed-off-by: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
Co-developed-by: Venkata Prasad Potturu <potturu@codeaurora.org>
Signed-off-by: Venkata Prasad Potturu <potturu@codeaurora.org>
Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/1635234188-7746-3-git-send-email-srivasam@codeaurora.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-10-26 12:35:18 +01:00
Shawn Guo d8b951abd7 dt-bindings: phy: qcom,qmp: IPQ6018 and IPQ8074 PCIe PHY require no supply
The qmp-phy driver suggests that 'vdda-phy-supply' and 'vdda-pll-supply'
are not required for IPQ6018 and IPQ8074 QMP PCIe PHY.  Update the
bindings to reflect it.

While at it, also correct the clock properties for IPQ8074 QMP PCIe PHY.
And as the result, 'qcom,ipq8074-qmp-pcie-phy' and
'qcom,ipq6018-qmp-pcie-phy' share the same clock, reset and supply
bindings.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211020130634.26194-1-shawn.guo@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-10-26 16:36:23 +05:30
Amelie Delaunay 6e59b5aea2 dt-bindings: phy: phy-stm32-usbphyc: add optional phy tuning properties
This patch adds the description of new optional phy tuning properties
for usbphyc phy sub nodes.

Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211015161427.220784-3-amelie.delaunay@foss.st.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-10-26 16:36:22 +05:30
Johan Jonker 4ff6b676ba dt-bindings: phy: rockchip: remove usb-phy fallback string for rk3066a/rk3188
With the conversion of rockchip-usb-phy.yaml a long time used fallback
string for rk3066a/rk3188 was added. The linux driver doesn't do much with
the GRF phy address range, however the u-boot driver rockchip_usb2_phy.c
does. The bits in GRF_UOC0_CON2 for rk3066a/rk3188 and rk3288 for example
don't match. Remove the usb-phy fallback string for rk3066a/rk3188
to prevent possible strange side effects.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210828111218.10026-1-jbx6244@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-10-26 16:36:22 +05:30
Shawn Guo 0b7c7ebe0f dt-bindings: phy: qcom,qmp: Add QCM2290 USB3 PHY
Add support for USB3 PHY found on Qualcomm QCM2290 SoC.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210927064829.5752-2-shawn.guo@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-10-26 16:36:22 +05:30
Mark Rutland 0953fb2637 irq: remove handle_domain_{irq,nmi}()
Now that entry code handles IRQ entry (including setting the IRQ regs)
before calling irqchip code, irqchip code can safely call
generic_handle_domain_irq(), and there's no functional reason for it to
call handle_domain_irq().

Let's cement this split of responsibility and remove handle_domain_irq()
entirely, updating irqchip drivers to call generic_handle_domain_irq().

For consistency, handle_domain_nmi() is similarly removed and replaced
with a generic_handle_domain_nmi() function which also does not perform
any entry logic.

Previously handle_domain_{irq,nmi}() had a WARN_ON() which would fire
when they were called in an inappropriate context. So that we can
identify similar issues going forward, similar WARN_ON_ONCE() logic is
added to the generic_handle_*() functions, and comments are updated for
clarity and consistency.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
2021-10-26 10:13:31 +01:00
Thomas Gleixner 3aac3ebea0 x86/signal: Implement sigaltstack size validation
For historical reasons MINSIGSTKSZ is a constant which became already too
small with AVX512 support.

Add a mechanism to enforce strict checking of the sigaltstack size against
the real size of the FPU frame.

The strict check can be enabled via a config option and can also be
controlled via the kernel command line option 'strict_sas_size' independent
of the config switch.

Enabling it might break existing applications which allocate a too small
sigaltstack but 'work' because they never get a signal delivered. Though it
can be handy to filter out binaries which are not yet aware of
AT_MINSIGSTKSZ.

Also the upcoming support for dynamically enabled FPU features requires a
strict sanity check to ensure that:

   - Enabling of a dynamic feature, which changes the sigframe size fits
     into an enabled sigaltstack

   - Installing a too small sigaltstack after a dynamic feature has been
     added is not possible.

Implement the base check which is controlled by config and command line
options.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211021225527.10184-3-chang.seok.bae@intel.com
2021-10-26 10:18:09 +02:00
Daniel Bristot de Oliveira 4d4eac7b5a tracing/doc: Fix typos on the timerlat tracer documentation
Fixes a series of typos in the timerlat doc.

Link: https://lkml.kernel.org/r/d3763eb376603890baab908141de6660ba18fff8.1634308385.git.bristot@kernel.org

Cc: Daniel Bristot de Oliveira <bristot@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: x86@kernel.org
Cc: linux-doc@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Fixes: a955d7eac1 ("trace: Add timerlat tracer")
Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2021-10-25 23:02:36 -04:00
Parav Pandit d67ab0a8c1 net/mlx5: SF_DEV Add SF device trace points
Add SF device add and delete specific trace points.

echo mlx5:mlx5_sf_dev_add >> /sys/kernel/debug/tracing/set_event
echo mlx5:mlx5_sf_dev_del >> /sys/kernel/debug/tracing/set_event
echo mlx5:mlx5_sf_vhca_event >> /sys/kernel/debug/tracing/set_event

Signed-off-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-25 13:51:21 -07:00
Parav Pandit b3ccada68b net/mlx5: SF, Add SF trace points
Add support for trace events for SFs to improve debugging.
This covers
(a) port add and free trace points
(b) device level trace points
(c) SF hardware context add, free trace points.
(d) SF function activate/deacticate and state trace points

SF events examples:
echo mlx5:mlx5_sf_add >> /sys/kernel/debug/tracing/set_event
echo mlx5:mlx5_sf_free >> /sys/kernel/debug/tracing/set_event
echo mlx5:mlx5_sf_hwc_alloc >> /sys/kernel/debug/tracing/set_event
echo mlx5:mlx5_sf_hwc_free >> /sys/kernel/debug/tracing/set_event
echo mlx5:mlx5_sf_hwc_deferred_free >> /sys/kernel/debug/tracing/set_event
echo mlx5:mlx5_sf_update_state >> /sys/kernel/debug/tracing/set_event
echo mlx5:mlx5_sf_activate >> /sys/kernel/debug/tracing/set_event
echo mlx5:mlx5_sf_deactivate >> /sys/kernel/debug/tracing/set_event

Signed-off-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-25 13:51:21 -07:00
Shay Drory 5546040619 net/mlx5: Let user configure max_macs param
Currently, max_macs is taking 70Kbytes of memory per function. This
size is not needed in all use cases, and is critical with large scale.
Hence, allow user to configure the number of max_macs.

For example, to reduce the number of max_macs to 1, execute::
$ devlink dev param set pci/0000:00:0b.0 name max_macs value 1 \
              cmode driverinit
$ devlink dev reload pci/0000:00:0b.0

Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-25 13:51:21 -07:00
Shay Drory a6cb08daa3 net/mlx5: Let user configure event_eq_size param
Event EQ is an EQ which received the notification of almost all the
events generated by the NIC.
Currently, each event EQ is taking 512KB of memory. This size is not
needed in most use cases, and is critical with large scale. Hence,
allow user to configure the size of the event EQ.

For example to reduce event EQ size to 64, execute::
$ devlink resource set pci/0000:00:0b.0 path /event_eq_size/ size 64
$ devlink dev reload pci/0000:00:0b.0

Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-25 13:51:20 -07:00
Shay Drory 46ae40b94d net/mlx5: Let user configure io_eq_size param
Currently, each I/O EQ is taking 128KB of memory. This size
is not needed in all use cases, and is critical with large scale.
Hence, allow user to configure the size of I/O EQs.

For example, to reduce I/O EQ size to 64, execute:
$ devlink resource set pci/0000:00:0b.0 path /io_eq_size/ size 64
$ devlink dev reload pci/0000:00:0b.0

Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-25 13:51:20 -07:00
Aya Levin b87ef75cb5 net/mlx5: Print health buffer by log level
Add log macro which gets log level as a parameter. Use the severity
read from the health buffer and the new log macro to log the health buffer
with severity as log level.  Prior to this patch, health buffer was
printed in error log level regardless of its severity. Now the user may
filter dmesg (--level) or change kernel log level to focus on different
severity levels of firmware errors.

Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-25 13:51:19 -07:00
Boqun Feng f9eaaa82b4 workqueue: doc: Call out the non-reentrance conditions
The current doc of workqueue API suggests that work items are
non-reentrant: any work item is guaranteed to be executed by at most one
worker system-wide at any given time. However this is not true, the
following case can cause a work item W executed by two workers at
the same time:

        queue_work_on(0, WQ1, W);
        // after a worker picks up W and clear the pending bit
        queue_work_on(1, WQ2, W);
        // workers on CPU0 and CPU1 will execute W in the same time.

, which means the non-reentrance of a work item is conditional, and
Lai Jiangshan provided a nice summary[1] of the conditions, therefore
use it to describe a work item instance and improve the doc.

[1]: https://lore.kernel.org/lkml/CAJhGHyDudet_xyNk=8xnuO2==o-u06s0E0GZVP4Q67nmQ84Ceg@mail.gmail.com/

Suggested-by: Matthew Wilcox <willy@infradead.org>
Suggested-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
2021-10-25 07:18:40 -10:00
Linus Torvalds a51aec4109 Pin control fixes for the v5.15 series:
- Three fixes pertaining to Broadcom DT bindings. Some stuff
   didn't work out as inteded, we need to back out.
 
 - A resume bug fix in the STM32 driver.
 
 - Disable and mask the interrupts on probe in the AMD pinctrl
   driver, affecting Microsoft surface.
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Merge tag 'pinctrl-v5.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control fixes from Linus Walleij:
 "Some late pin control fixes, the most generally annoying will probably
  be the AMD IRQ storm fix affecting the Microsoft surface.

  Summary:

   - Three fixes pertaining to Broadcom DT bindings. Some stuff didn't
     work out as inteded, we need to back out

   - A resume bug fix in the STM32 driver

   - Disable and mask the interrupts on probe in the AMD pinctrl driver,
     affecting Microsoft surface"

* tag 'pinctrl-v5.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl: amd: disable and mask interrupts on probe
  pinctrl: stm32: use valid pin identifier in stm32_pinctrl_resume()
  Revert "pinctrl: bcm: ns: support updated DT binding as syscon subnode"
  dt-bindings: pinctrl: brcm,ns-pinmux: drop unneeded CRU from example
  Revert "dt-bindings: pinctrl: bcm4708-pinmux: rework binding to use syscon"
2021-10-25 09:47:18 -07:00
Mark Brown 141b64f472
Merge series "ASoC: wm8962: Conversion to json-schema and fix" from Geert Uytterhoeven <geert+renesas@glider.be>:
Hi all,

This patch series converts the Wolfson WM8962 Device Tree binding
documentation to json-schema, after fixing an issue in the imx8mn-beacon
DTS file.

Thanks for your comments!

Geert Uytterhoeven (2):
  arm64: dts: imx: imx8mn-beacon: Drop undocumented clock-names
    reference
  ASoC: dt-bindings: wlf,wm8962: Convert to json-schema

 .../devicetree/bindings/sound/wlf,wm8962.yaml | 118 ++++++++++++++++++
 .../devicetree/bindings/sound/wm8962.txt      |  43 -------
 .../freescale/imx8mn-beacon-baseboard.dtsi    |   1 -
 3 files changed, 118 insertions(+), 44 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/sound/wlf,wm8962.yaml
 delete mode 100644 Documentation/devicetree/bindings/sound/wm8962.txt

--
2.25.1

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds
2021-10-25 17:37:51 +01:00
Geert Uytterhoeven cd51b942f3
ASoC: dt-bindings: wlf,wm8962: Convert to json-schema
Convert the Wolfson WM8962 Ultra-Low Power Stereo CODEC Device Tree
binding documentation to json-schema.

Add missing *-supply and port properties.
Update the example.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/b0868d2f62fd57499c79d96298e99e5f9e4fbc76.1634565154.git.geert+renesas@glider.be
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-10-25 12:58:35 +01:00
John Keeping a6d968a3e8
ASoC: doc: update codec example code
As the codec API has evolved the documentation has not kept up and still
uses old fields that have been removed.  Update the examples to
represent the current API.

Signed-off-by: John Keeping <john@metanate.com>
Link: https://lore.kernel.org/r/20211024151731.360638-1-john@metanate.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-10-25 12:36:14 +01:00
Fabrice Gasnier 924e2b408c dt-bindings: usb: dwc2: adopt otg properties defined in usb-drd.yaml
Adopt some OTG optional properties as defined in usb-drd.yaml:
- otg-rev
- hnp-disable
- srp-disable

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Link: https://lore.kernel.org/r/1634133425-25670-3-git-send-email-fabrice.gasnier@foss.st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-25 09:20:26 +02:00
Fabrice Gasnier bb88dbbee2 dt-bindings: usb: dwc2: Add reference to usb-drd.yaml
Add a reference to usb-drd.yaml, in order to:
- extend possible supported properties
- avoid duplicated definitions of standard properties
Remove definitions for dr_mode and usb-role-switch standard properties.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Link: https://lore.kernel.org/r/1634133425-25670-2-git-send-email-fabrice.gasnier@foss.st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-25 09:20:26 +02:00
Philipp Hortmann 33ef298651 Docs: usb: remove :c:func: for usb_register and usb_deregister
remove :c:func: for usb_register and usb_deregister

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/0ace789dfbe2d4562c27d374afa5ff078efe2261.1635138058.git.philipp.g.hortmann@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-25 09:14:58 +02:00
Philipp Hortmann 296ecb3515 Docs: usb: update struct usb_driver
update struct usb_driver from usb-skeleton.c.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/8084ad0e369d4e0bf10598292ee4bac46d09d03d.1635138058.git.philipp.g.hortmann@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-25 09:14:58 +02:00
Greg Kroah-Hartman 0e53a9e038 soundwire updates for 5.16-rc1
- Update on sysfs wildcard documentation
  - debugfs update for core and qcom driver
  - invalid slave pointer fix for bus
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Merge tag 'soundwire-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire into char-misc-next

Vinod writes:

soundwire updates for 5.16-rc1

 - Update on sysfs wildcard documentation
 - debugfs update for core and qcom driver
 - invalid slave pointer fix for bus

* tag 'soundwire-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
  soundwire: qcom: add debugfs entry for soundwire register dump
  soundwire: bus: stop dereferencing invalid slave pointer
  ABI: sysfs-bus-soundwire-slave: use wildcards on What definitions
  ABI: sysfs-bus-soundwire-master: use wildcards on What definitions
  soundwire: debugfs: use controller id and link_id for debugfs
2021-10-25 08:52:44 +02:00
Sam Shih 65916a1ca9 dt-bindings: pinctrl: update bindings for MT7986 SoC
This updates bindings for MT7986 pinctrl driver. The
difference of pinctrl between mt7986a and mt7986b is that pin-41 to
pin-65 do not exist on mt7986b

Signed-off-by: Sam Shih <sam.shih@mediatek.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211022124036.5291-2-sam.shih@mediatek.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2021-10-24 23:06:22 +02:00
Horatiu Vultur 8a097ff4b8 dt-bindings: pinctrl: pinctrl-microchip-sgpio: Add reset binding
This describes the new binding which allows to call a reset driver from
the pinctrl-microchip-sgpio driver.

Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211018085754.1066056-2-horatiu.vultur@microchip.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2021-10-24 23:03:26 +02:00
Sean Anderson 2579084400 dt-bindings: net: macb: Add mdio bus child node
This adds an optional mdio bus child node. If present, the mac will
look for PHYs there instead of directly under the top-level node. This
eliminates any ambiguity about whether child nodes are PHYs, and allows
the MDIO bus to contain non-PHY devices.

Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-24 13:44:39 +01:00
Florian Fainelli f4b054d9bb dt-bindings: net: bcmgenet: Document 7712 binding
7712 includes a GENETv5 adapter with an on-chip 10/100 16nm Ethernet PHY
which requires us to document that controller's integration specifically
for proper driver keying.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-24 13:42:28 +01:00
Greg Kroah-Hartman b6df1fc1e3 2nd set of IIO new driver, cleanups and features for the 5.16 cycle
New device support
 * adrf6780 microwave upconverter.
   - New driver for this interesting device including bindings.
 
 Features
 * lite-on ltr501
   - Add dt-bindings including vendor ID and of_device_id table.
   - Add regulator support.
 * sensiron,scd4x
   - Add reporting of channel scale.
 
 Cleanups including fixes for things in this cycle
 * Tree wide: Another set of dev_err_probe() introductions to reduce
   noise in logs when deferred probing is needed and provide more debug
   info. Devices included this time:
   - amlogic,meson_saradc
   - capella,cm3605
   - fsl,imx7d
   - maxim,max1118
   - maxim,max1241
   - nxp,lpc18xx
   - qcom,pm8xxxx-xoadc
   - rockchip,saradc
   - sharp,gp2ap002
   - sterricson,ab8500
   - ti,ads7950
 * core - iio:buffer
   - Fix a path where a ret value is not intialized.
 * channel-mux
   - Add support to mux core subsystem for a settling delay and use
     it in the iio-channel-mux driver.
   - Fix a few dt binding warnings.
 * nxp,lpc18xx
   - Convert to devm_ functions for all of probe and drop remove()
 * st,lsm6dsx
   - Suppress a warning due to lack of handling of an enum *_MAX entry
     that is just there to get the size.
 * st,stm32-adc
   - Add generic channel binding, deprecating the old approach.
   - Add nvmem support to get calibration data for the vrefint channel and
     use it to perform such calibration.
   - Add a binding for sample-time to the generic channel description as it
     can be per channel.
 * ti,adc128s052
   - Use devm_ managed functions and drop remove()
 * vti,sca3000
   - Use sign_extend32() rather than opencoding.
 * xilinx,xadc
   - Drop irq field from state structure as now just used in probe.
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Merge tag 'iio-for-5.16b' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next

Jonathan writes:

2nd set of IIO new driver, cleanups and features for the 5.16 cycle

New device support
* adrf6780 microwave upconverter.
  - New driver for this interesting device including bindings.

Features
* lite-on ltr501
  - Add dt-bindings including vendor ID and of_device_id table.
  - Add regulator support.
* sensiron,scd4x
  - Add reporting of channel scale.

Cleanups including fixes for things in this cycle
* Tree wide: Another set of dev_err_probe() introductions to reduce
  noise in logs when deferred probing is needed and provide more debug
  info. Devices included this time:
  - amlogic,meson_saradc
  - capella,cm3605
  - fsl,imx7d
  - maxim,max1118
  - maxim,max1241
  - nxp,lpc18xx
  - qcom,pm8xxxx-xoadc
  - rockchip,saradc
  - sharp,gp2ap002
  - sterricson,ab8500
  - ti,ads7950
* core - iio:buffer
  - Fix a path where a ret value is not intialized.
* channel-mux
  - Add support to mux core subsystem for a settling delay and use
    it in the iio-channel-mux driver.
  - Fix a few dt binding warnings.
* nxp,lpc18xx
  - Convert to devm_ functions for all of probe and drop remove()
* st,lsm6dsx
  - Suppress a warning due to lack of handling of an enum *_MAX entry
    that is just there to get the size.
* st,stm32-adc
  - Add generic channel binding, deprecating the old approach.
  - Add nvmem support to get calibration data for the vrefint channel and
    use it to perform such calibration.
  - Add a binding for sample-time to the generic channel description as it
    can be per channel.
* ti,adc128s052
  - Use devm_ managed functions and drop remove()
* vti,sca3000
  - Use sign_extend32() rather than opencoding.
* xilinx,xadc
  - Drop irq field from state structure as now just used in probe.

* tag 'iio-for-5.16b' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (36 commits)
  dt-bindings: iio: frequency: add adrf6780 doc
  iio: frequency: adrf6780: add support for ADRF6780
  iio: chemical: scd4x: Add a scale for the co2 concentration reading
  dt-bindings: iio: io-channel-mux: allow duplicate channel, labels
  dt-bindings: iio: io-channel-mux: add optional #io-channel-cells
  iio: adc: adc128s052: Simplify adc128_probe()
  iio: multiplexer: iio-mux: Support settle-time-us property
  dt-bindings: iio: io-channel-mux: Add property for settle time
  mux: add support for delay after muxing
  iio: adc: stm32-adc: use generic binding for sample-time
  iio: adc: stm32-adc: add vrefint calibration support
  iio: adc: stm32-adc: add support of internal channels
  iio: adc: stm32-adc: add support of generic channels binding
  iio: adc: stm32-adc: split channel init into several routines
  dt-bindings: iio: stm32-adc: add nvmem support for vrefint internal channel
  dt-bindings: iio: stm32-adc: add generic channel binding
  iio: accel: sca3000: Use sign_extend32() instead of opencoding sign extension.
  iio: xilinx-xadc: Remove `irq` field from state struct
  iio: imu: st_lsm6dsx: Avoid potential array overflow in st_lsm6dsx_set_odr()
  iio: light: gp2ap002: Make use of the helper function dev_err_probe()
  ...
2021-10-24 13:09:37 +02:00
Greg Kroah-Hartman 8210a2004d First set of IIO fixes for the 5.16 cycle
As these are very late in the 5.15 cycle and non are particularly urgent,
 they can wait for the merge window.
 
 Key element in this set is Yang Yingliang has identified a number of
 issues in error paths introduced recently when we added multiple
 buffer support.
 
 Other fixes:
 * adi,ad5662
   - Fix handling of i2c_master_send() return value.
 * adi,ad5766
   - Fix a wrong dt-property name that indicated wrong units and
     did not mach the bindings.
   - Associated 'fix' of the bindings example to have a possible scale.
 * st,pressure-spi
   - Add some missing entries to the spi_device_id table to ensure
     auto-loading works.
 * ti,tsc2046
   - Fix a backwards comparison leading to a false dev_warn
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Merge tag 'iio-fixes-for-5.16a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next

Jonathan writes:

First set of IIO fixes for the 5.16 cycle

As these are very late in the 5.15 cycle and non are particularly urgent,
they can wait for the merge window.

Key element in this set is Yang Yingliang has identified a number of
issues in error paths introduced recently when we added multiple
buffer support.

Other fixes:
* adi,ad5662
  - Fix handling of i2c_master_send() return value.
* adi,ad5766
  - Fix a wrong dt-property name that indicated wrong units and
    did not mach the bindings.
  - Associated 'fix' of the bindings example to have a possible scale.
* st,pressure-spi
  - Add some missing entries to the spi_device_id table to ensure
    auto-loading works.
* ti,tsc2046
  - Fix a backwards comparison leading to a false dev_warn

* tag 'iio-fixes-for-5.16a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
  iio: buffer: Fix memory leak in iio_buffers_alloc_sysfs_and_mask()
  iio: adc: tsc2046: fix scan interval warning
  iio: core: fix double free in iio_device_unregister_sysfs()
  iio: core: check return value when calling dev_set_name()
  iio: buffer: Fix memory leak in iio_buffer_register_legacy_sysfs_groups()
  iio: buffer: Fix double-free in iio_buffers_alloc_sysfs_and_mask()
  iio: buffer: Fix memory leak in __iio_buffer_alloc_sysfs_and_mask()
  iio: buffer: check return value of kstrdup_const()
  iio: dac: ad5446: Fix ad5622_write() return value
  Documentation:devicetree:bindings:iio:dac: Fix val
  drivers: iio: dac: ad5766: Fix dt property name
  iio: st_pressure_spi: Add missing entries SPI to device ID table
2021-10-24 13:08:36 +02:00
Masahiro Yamada 8212f8986d kbuild: use more subdir- for visiting subdirectories while cleaning
Documentation/kbuild/makefiles.rst suggests to use "archclean" for
cleaning arch/$(SRCARCH)/boot/, but it is not a hard requirement.

Since commit d92cc4d516 ("kbuild: require all architectures to have
arch/$(SRCARCH)/Kbuild"), we can use the "subdir- += boot" trick for
all architectures. This can take advantage of the parallel option (-j)
for "make clean".

I also cleaned up the comments in arch/$(SRCARCH)/Makefile. The "archdep"
target no longer exists.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
2021-10-24 13:49:46 +09:00
David Heidelberg 5ac80a76e6 dt-bindings: arm: qcom: Fix Nexus 4 vendor prefix
The Nexus 4 (mako) was accidentally described as a Asus device, while it's LG.

Fixes: 9304af37d0 ("dt-bindings: arm: qcom, add missing devices")
Signed-off-by: David Heidelberg <david@ixit.cz>
[bjorn: Updated commit message, per suggestion from Konrad Dybcio]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211020001327.37490-1-david@ixit.cz
2021-10-23 23:31:41 -05:00
David Heidelberg 3f38ac6fc2 dt-bindings: arm: qcom-ipq4019: add missing device compatible
One board version (dk01.1-c1) didn't have set device compatible,
so let's list it.

Signed-off-by: David Heidelberg <david@ixit.cz>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211009193102.76852-1-david@ixit.cz
2021-10-23 23:15:43 -05:00
Luca Weiss 5e4aac2caf dt-bindings: arm: qcom: rename vendor of apq8026-lenok
In order to avoid having prefixes for multiple internal divisions of LG
use the "lg" prefix instead of "lge".

Fixes: 21f3cbf693 ("dt-bindings: arm: qcom: Document APQ8026 SoC binding")
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Acked-by: David Heidelberg <david@ixit.cz>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210928203815.77175-1-luca@z3ntu.xyz
2021-10-23 23:03:41 -05:00
Stephan Gerhold 8e24a29620 dt-bindings: arm: cpus: Document qcom,msm8916-smp enable-method
Since MSM8916 is an ARM v8 64-bit SoC the CPU cores are normally booted
using "psci" or "spin-table". Unfortunately, some devices come with signed
32-bit-only firmware without ARM64 and PSCI support. This setup is easy to
support since it's very similar to older 32-bit only Qualcomm SoCs
(e.g. MSM8226) and only requires adding a few new definitions to already
existing drivers.

Document the qcom,msm8916-smp enable-method. It is actually just an alias
of qcom,msm8226-smp since it should be implemented identically.
The enable-method is only valid on ARM32 and must not be used on ARM64.

Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211004204955.21077-8-stephan@gerhold.net
2021-10-23 22:35:19 -05:00
Stephan Gerhold 93fcf45b16 dt-bindings: soc: qcom: spm: Document qcom,msm8916-saw2-v3.0-cpu
Document the qcom,msm8916-saw2-v3.0-cpu compatible that is needed
for cpuidle for MSM8916 on some devices with signed firmware which
is only capable of booting ARM32 kernels without PSCI.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211004204955.21077-10-stephan@gerhold.net
2021-10-23 22:15:46 -05:00
Luca Weiss 8ceb1db0b0 dt-bindings: arm: qcom: Document sm7225 and fairphone,fp4 board
Add binding documentation for Fairphone 4 smartphone which is based on
Snapdragon 750G (sm7225).

Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211007212444.328034-10-luca@z3ntu.xyz
2021-10-23 22:07:08 -05:00
Luca Weiss 270b1a71c6 dt-bindings: arm: cpus: Add Kryo 570 CPUs
Document Kryo 570 CPUs found in Qualcomm Snapdragon 750G (SM7225).

Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211007212444.328034-9-luca@z3ntu.xyz
2021-10-23 22:07:08 -05:00
Yonghong Song 5a8671349d docs/bpf: Update documentation for BTF_KIND_DECL_TAG typedef support
Add BTF_KIND_DECL_TAG typedef support in btf.rst.

Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20211021195649.4020514-1-yhs@fb.com
2021-10-22 17:04:44 -07:00
Jakub Kicinski d1a3f40951 wireless-drivers-next patches for v5.16
Second set of patches for v5.16 and this time we have a big one. We
 have the new Realtek driver rtw89 with over 90 kLOC and also over 150
 patches for mt76. ath9k also got few new small features. And the usual
 cleanups and fixes all over.
 
 Major changes:
 
 rtw89
 
 * new Realtek 802.11ax driver
 
 * supports Realtek 8852AE 802.11ax 2x2 chip
 
 ath9k
 
 * add option to reset the wifi chip via debugfs
 
 * convert Device Tree bindings to the json-schema
 
 * support Device Tree ieee80211-freq-limit property to limit channels
 
 mt76
 
 * mt7921 aspm support
 
 * mt7921 testmode support
 
 * mt7915 LED support
 
 * mt7921 6GHz band support
 
 * support for eeprom data in DT
 
 * mt7915 TWT support
 
 * mt7921s SDIO support
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Merge tag 'wireless-drivers-next-2021-10-22' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
wireless-drivers-next patches for v5.16

Second set of patches for v5.16 and this time we have a big one. We
have the new Realtek driver rtw89 with over 90 kLOC and also over 150
patches for mt76. ath9k also got few new small features. And the usual
cleanups and fixes all over.

Major changes:

rtw89
 * new Realtek 802.11ax driver
 * supports Realtek 8852AE 802.11ax 2x2 chip

ath9k
 * add option to reset the wifi chip via debugfs
 * convert Device Tree bindings to the json-schema
 * support Device Tree ieee80211-freq-limit property to limit channels

mt76
 * mt7921 aspm support
 * mt7921 testmode support
 * mt7915 LED support
 * mt7921 6GHz band support
 * support for eeprom data in DT
 * mt7915 TWT support
 * mt7921s SDIO support

* tag 'wireless-drivers-next-2021-10-22' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next: (213 commits)
  zd1201: use eth_hw_addr_set()
  wl3501_cs: use eth_hw_addr_set()
  ray_cs: use eth_hw_addr_set()
  ...
====================

Link: https://lore.kernel.org/r/20211022075845.0E679C4360D@smtp.codeaurora.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-10-22 10:22:07 -07:00
Paolo Bonzini ae095b16fc x86/sgx/virt: implement SGX_IOC_VEPC_REMOVE ioctl
For bare-metal SGX on real hardware, the hardware provides guarantees
SGX state at reboot.  For instance, all pages start out uninitialized.
The vepc driver provides a similar guarantee today for freshly-opened
vepc instances, but guests such as Windows expect all pages to be in
uninitialized state on startup, including after every guest reboot.

Some userspace implementations of virtual SGX would rather avoid having
to close and reopen the /dev/sgx_vepc file descriptor and re-mmap the
virtual EPC.  For example, they could sandbox themselves after the guest
starts and forbid further calls to open(), in order to mitigate exploits
from untrusted guests.

Therefore, add a ioctl that does this with EREMOVE.  Userspace can
invoke the ioctl to bring its vEPC pages back to uninitialized state.
There is a possibility that some pages fail to be removed if they are
SECS pages, and the child and SECS pages could be in separate vEPC
regions.  Therefore, the ioctl returns the number of EREMOVE failures,
telling userspace to try the ioctl again after it's done with all
vEPC regions.  A more verbose description of the correct usage and
the possible error conditions is documented in sgx.rst.

Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Reviewed-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lkml.kernel.org/r/20211021201155.1523989-3-pbonzini@redhat.com
2021-10-22 08:32:12 -07:00
Chia-Wei Wang c6807970c3
soc: aspeed: Add UART routing support
Add driver support for the UART routing control. Users can perform
runtime configuration of the RX muxes among the UART controllers and
the UART IO pins.

The sysfs interface is also exported for the convenience of routing paths
check and update.

Signed-off-by: Oskar Senft <osk@google.com>
Signed-off-by: Chia-Wei Wang <chiawei_wang@aspeedtech.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Tested-by: Lei YU <yulei.sh@bytedance.com>
Link: https://lore.kernel.org/r/20210927023053.6728-5-chiawei_wang@aspeedtech.com
Link: https://lore.kernel.org/r/20211022000616.481772-1-joel@jms.id.au'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-22 17:32:09 +02:00
Paul Kocialkowski f1d46c113d dt-bindings: display: Document the Xylon LogiCVC display controller
The Xylon LogiCVC is a display controller implemented as programmable
logic in Xilinx FPGAs.

Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210914200539.732093-2-paul.kocialkowski@bootlin.com
2021-10-22 08:25:51 -05:00
David S. Miller bdfa75ad70 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Lots of simnple overlapping additions.

With a build fix from Stephen Rothwell.

Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-22 11:41:16 +01:00
Junaid Shahid 4dfe4f40d8 kvm: x86: mmu: Make NX huge page recovery period configurable
Currently, the NX huge page recovery thread wakes up every minute and
zaps 1/nx_huge_pages_recovery_ratio of the total number of split NX
huge pages at a time. This is intended to ensure that only a
relatively small number of pages get zapped at a time. But for very
large VMs (or more specifically, VMs with a large number of
executable pages), a period of 1 minute could still result in this
number being too high (unless the ratio is changed significantly,
but that can result in split pages lingering on for too long).

This change makes the period configurable instead of fixing it at
1 minute. Users of large VMs can then adjust the period and/or the
ratio to reduce the number of pages zapped at one time while still
maintaining the same overall duration for cycling through the
entire list. By default, KVM derives a period from the ratio such
that a page will remain on the list for 1 hour on average.

Signed-off-by: Junaid Shahid <junaids@google.com>
Message-Id: <20211020010627.305925-1-junaids@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-10-22 05:19:28 -04:00
Jonathan Corbet 164e32717c docs: ABI: fix documentation warning in sysfs-driver-mlxreg-io
The use of a Sphinx list within this ABI file caused the following warning:

  Documentation/ABI/stable/sysfs-driver-mlxreg-io:230: WARNING: Unexpected indentation.
  Documentation/ABI/stable/sysfs-driver-mlxreg-io:230: WARNING: Block quote ends without a blank line; unexpected unindent.

Remove the bullets to make the warning go away and get proper formatting.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2021-10-22 10:57:11 +02:00
Greg Kroah-Hartman b1f4c00e41 FSI changes for v5.16
- SBEFIFO usersapce interfaces to perform FFDC (First Failure
    Data Capture) and detect timeouts
 
  - A fix to handle multiple messages in flight
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Merge tag 'fsi-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/joel/fsi into char-misc-next

Joel writes:

FSI changes for v5.16

 - SBEFIFO usersapce interfaces to perform FFDC (First Failure
   Data Capture) and detect timeouts

 - A fix to handle multiple messages in flight

* tag 'fsi-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/joel/fsi:
  fsi: sbefifo: Use interruptible mutex locking
  fsi: sbefifo: Add sysfs file indicating a timeout error
  docs: ABI: testing: Document the SBEFIFO timeout interface
  hwmon: (occ) Provide the SBEFIFO FFDC in binary sysfs
  docs: ABI: testing: Document the OCC hwmon FFDC binary interface
  fsi: occ: Store the SBEFIFO FFDC in the user response buffer
  fsi: occ: Use a large buffer for responses
  hwmon: (occ) Remove sequence numbering and checksum calculation
  fsi: occ: Force sequence numbering per OCC
2021-10-22 09:45:59 +02:00
Linus Torvalds 6c2c712767 Networking fixes for 5.15-rc7, including fixes from netfilter, and can.
Current release - regressions:
 
  - revert "vrf: reset skb conntrack connection on VRF rcv",
    there are valid uses for previous behavior
 
  - can: m_can: fix iomap_read_fifo() and iomap_write_fifo()
 
 Current release - new code bugs:
 
  - mlx5: e-switch, return correct error code on group creation failure
 
 Previous releases - regressions:
 
  - sctp: fix transport encap_port update in sctp_vtag_verify
 
  - stmmac: fix E2E delay mechanism (in PTP timestamping)
 
 Previous releases - always broken:
 
  - netfilter: ip6t_rt: fix out-of-bounds read of ipv6_rt_hdr
 
  - netfilter: xt_IDLETIMER: fix out-of-bound read caused by lack of init
 
  - netfilter: ipvs: make global sysctl read-only in non-init netns
 
  - tcp: md5: fix selection between vrf and non-vrf keys
 
  - ipv6: count rx stats on the orig netdev when forwarding
 
  - bridge: mcast: use multicast_membership_interval for IGMPv3
 
  - can:
    - j1939: fix UAF for rx_kref of j1939_priv
             abort sessions on receiving bad messages
 
    - isotp: fix TX buffer concurrent access in isotp_sendmsg()
             fix return error on FC timeout on TX path
 
  - ice: fix re-init of RDMA Tx queues and crash if RDMA was not inited
 
  - hns3: schedule the polling again when allocation fails,
    prevent stalls
 
  - drivers: add missing of_node_put() when aborting
    for_each_available_child_of_node()
 
  - ptp: fix possible memory leak and UAF in ptp_clock_register()
 
  - e1000e: fix packet loss in burst mode on Tiger Lake and later
 
  - mlx5e: ipsec: fix more checksum offload issues
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.15-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from netfilter, and can.

  We'll have one more fix for a socket accounting regression, it's still
  getting polished. Otherwise things look fine.

  Current release - regressions:

   - revert "vrf: reset skb conntrack connection on VRF rcv", there are
     valid uses for previous behavior

   - can: m_can: fix iomap_read_fifo() and iomap_write_fifo()

  Current release - new code bugs:

   - mlx5: e-switch, return correct error code on group creation failure

  Previous releases - regressions:

   - sctp: fix transport encap_port update in sctp_vtag_verify

   - stmmac: fix E2E delay mechanism (in PTP timestamping)

  Previous releases - always broken:

   - netfilter: ip6t_rt: fix out-of-bounds read of ipv6_rt_hdr

   - netfilter: xt_IDLETIMER: fix out-of-bound read caused by lack of
     init

   - netfilter: ipvs: make global sysctl read-only in non-init netns

   - tcp: md5: fix selection between vrf and non-vrf keys

   - ipv6: count rx stats on the orig netdev when forwarding

   - bridge: mcast: use multicast_membership_interval for IGMPv3

   - can:
      - j1939: fix UAF for rx_kref of j1939_priv abort sessions on
        receiving bad messages

      - isotp: fix TX buffer concurrent access in isotp_sendmsg() fix
        return error on FC timeout on TX path

   - ice: fix re-init of RDMA Tx queues and crash if RDMA was not inited

   - hns3: schedule the polling again when allocation fails, prevent
     stalls

   - drivers: add missing of_node_put() when aborting
     for_each_available_child_of_node()

   - ptp: fix possible memory leak and UAF in ptp_clock_register()

   - e1000e: fix packet loss in burst mode on Tiger Lake and later

   - mlx5e: ipsec: fix more checksum offload issues"

* tag 'net-5.15-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (75 commits)
  usbnet: sanity check for maxpacket
  net: enetc: make sure all traffic classes can send large frames
  net: enetc: fix ethtool counter name for PM0_TERR
  ptp: free 'vclock_index' in ptp_clock_release()
  sfc: Don't use netif_info before net_device setup
  sfc: Export fibre-specific supported link modes
  net/mlx5e: IPsec: Fix work queue entry ethernet segment checksum flags
  net/mlx5e: IPsec: Fix a misuse of the software parser's fields
  net/mlx5e: Fix vlan data lost during suspend flow
  net/mlx5: E-switch, Return correct error code on group creation failure
  net/mlx5: Lag, change multipath and bonding to be mutually exclusive
  ice: Add missing E810 device ids
  igc: Update I226_K device ID
  e1000e: Fix packet loss on Tiger Lake and later
  e1000e: Separate TGP board type from SPT
  ptp: Fix possible memory leak in ptp_clock_register()
  net: stmmac: Fix E2E delay mechanism
  nfc: st95hf: Make spi remove() callback return zero
  net: hns3: disable sriov before unload hclge layer
  net: hns3: fix vf reset workqueue cannot exit
  ...
2021-10-21 15:36:50 -10:00
Mark Brown 0627d75a18
Merge series "regulator: Introduce UniPhier NX1 SoC support" from Kunihiko Hayashi <hayashi.kunihiko@socionext.com>:
This series includes the patches to add basic support for new UniPhier NX1
SoC. NX1 SoC also has the same kinds of controls as the other UniPhier
SoCs.

Kunihiko Hayashi (2):
  dt-bindings: regulator: uniphier: Add binding for NX1 SoC
  regulator: uniphier: Add USB-VBUS compatible string for NX1 SoC

 .../devicetree/bindings/regulator/socionext,uniphier-regulator.yaml   | 1 +
 drivers/regulator/uniphier-regulator.c                                | 4 ++++
 2 files changed, 5 insertions(+)

--
2.7.4
2021-10-22 01:51:36 +01:00
Łukasz Stelmach b13c7a88a7 dt-bindings: net: Add bindings for AX88796C SPI Ethernet Adapter
Add bindings for AX88796C SPI Ethernet Adapter.

Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-10-21 16:28:41 -07:00
Łukasz Stelmach 4def0acb63 dt-bindings: vendor-prefixes: Add asix prefix
Add the prefix for ASIX Electronics Corporation.

Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-10-21 16:28:41 -07:00
Eddie James 9a93de620e docs: ABI: testing: Document the SBEFIFO timeout interface
Add documentation for the new sysfs entry that indicates whether or not
the SBE has timed out.

Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20211019211749.38059-2-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
2021-10-22 09:54:33 +10:30
Eddie James 4cf400e120 docs: ABI: testing: Document the OCC hwmon FFDC binary interface
Add documentation for the new binary sysfs that will dump the SBEFIFO
FFDC.

Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20211019205307.36946-4-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
2021-10-22 09:54:32 +10:30
Geert Uytterhoeven 2904c01428 dt-bindings: auxdisplay: ht16k33: Document LED subnode
Extend the Holtek HT16K33 LED controller Device Tree bindings with an
LED subnode, conforming to the standard LED bindings.

This allows the user to exert more control, like specifying LED color,
function, and/or trigger, to extend LED functionality beyond a simple
display backlight.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2021-10-21 23:36:30 +02:00