Commit Graph

57100 Commits

Author SHA1 Message Date
Linus Torvalds
9512433987 There's one large change in the core clk framework here. We change how
clk_set_rate_range() works so that the frequency is re-evaulated each time the
 rate is changed. Previously we wouldn't let clk providers see a rate that was
 different if it was still within the range, which could be bad for power if the
 clk could run slower when a range expands. Now the clk provider can decide to
 do something differently when the constraints change. This broke Nvidia's clk
 driver so we had to wait for the fix for that to bake a little more in -next.
 
 The rate range patch series also introduced a kunit suite for the clk framework
 that we're going to extend in the next release. It already made it easy to find
 corner cases in the rate range patches so I'm excited to see it cover more clk
 code and increase our confidence in core framework patches in the future. I
 also added a kunit test for the basic clk gate code and that work will continue
 to cover more basic clk types: muxes, dividers, etc.
 
 Beyond the core code we have the usual set of clk driver updates and additions.
 Qualcomm again dominates the diffstat here with lots more SoCs being supported
 and i.MX follows afer that with a similar number of SoCs gaining clk drivers.
 Beyond those large additions there's drivers being modernized to use
 clk_parent_data so we can move away from global string names for all the clks
 in an SoC. Finally there's lots of little fixes all over the clk drivers for
 typos, warnings, and missing clks that aren't critical and get batched up
 waiting for the next merge window to open. Nothing super big stands out in the
 driver pile. Full details are below.
 
 Core:
  - Make clk_set_rate_range() re-evaluate the limits each time
  - Introduce various clk_set_rate_range() tests
  - Add clk_drop_range() to drop a previously set range
 
 New Drivers:
  - i.MXRT1050 clock driver and bindings
  - i.MX8DXL clock driver and bindings
  - i.MX93 clock driver and bindings
  - NCO blocks on Apple SoCs
  - Audio clks on StarFive JH7100 RISC-V SoC
  - Add support for the new Renesas RZ/V2L SoC
  - Qualcomm SDX65 A7 PLL
  - Qualcomm SM6350 GPU clks
  - Qualcomm SM6125, SM6350, QCS2290 display clks
  - Qualcomm MSM8226 multimedia clks
 
 Updates:
  - Kunit tests for clk-gate implementation
  - Terminate arrays with sentinels and make that clearer
  - Cleanup SPDX tags
  - Fix typos in comments
  - Mark mux table as const in clk-mux
  - Make the all_lists array const
  - Convert Cirrus Logic CS2000P driver to regmap, yamlify DT binding and add
    support for dynamic mode
  - Clock configuration on Microchip PolarFire SoCs
  - Free allocations on probe error in Mediatek clk driver
  - Modernize Mediatek clk driver by consolidating code
  - Add watchdog (WDT), I2C, and pin function controller (PFC) clocks on
    Renesas R-Car S4-8
  - Improve the clocks for the Rockchip rk3568 display outputs (parenting, pll-rates)
  - Use of_device_get_match_data() instead of open-coding on Rockchip rk3568
  - Reintroduce the expected fractional-divider behaviour that disappeared
    with the addition of CLK_FRAC_DIVIDER_POWER_OF_TWO_PS
  - Remove SYS PLL 1/2 clock gates for i.MX8M*
  - Remove AUDIO MCLK ROOT from i.MX7D
  - Add fracn gppll clock type used by i.MX93
  - Add new composite clock for i.MX93
  - Add missing media mipi phy ref clock for i.MX8MP
  - Fix off by one in imx_lpcg_parse_clks_from_dt()
  - Rework for the imx pll14xx
  - sama7g5: One low priority fix for GCLK of PDMC
  - Add DMA engine (SYS-DMAC) clocks on Renesas R-Car S4-8
  - Add MOST (MediaLB I/F) clocks on Renesas R-Car E3 and D3
  - Add CAN-FD clocks on Renesas R-Car V3U
  - Qualcomm SC8280XP RPMCC
  - Add some missing clks on Qualcomm MSM8992/MSM8994/MSM8998 SoCs
  - Rework Qualcomm GCC bindings and convert SDM845 camera bindig to YAML
  - Convert various Qualcomm drivers to use clk_parent_data
  - Remove test clocks from various Qualcomm drivers
  - Crypto engine clks on Qualcomm IPQ806x + more freqs for SDCC/NSS
  - Qualcomm SM8150 EMAC, PCIe, UFS GDSCs
  - Better pixel clk frequency support on Qualcomm RCG2 clks
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "There's one large change in the core clk framework here. We change how
  clk_set_rate_range() works so that the frequency is re-evaulated each
  time the rate is changed. Previously we wouldn't let clk providers see
  a rate that was different if it was still within the range, which
  could be bad for power if the clk could run slower when a range
  expands. Now the clk provider can decide to do something differently
  when the constraints change. This broke Nvidia's clk driver so we had
  to wait for the fix for that to bake a little more in -next.

  The rate range patch series also introduced a kunit suite for the clk
  framework that we're going to extend in the next release. It already
  made it easy to find corner cases in the rate range patches so I'm
  excited to see it cover more clk code and increase our confidence in
  core framework patches in the future. I also added a kunit test for
  the basic clk gate code and that work will continue to cover more
  basic clk types: muxes, dividers, etc.

  Beyond the core code we have the usual set of clk driver updates and
  additions. Qualcomm again dominates the diffstat here with lots more
  SoCs being supported and i.MX follows afer that with a similar number
  of SoCs gaining clk drivers. Beyond those large additions there's
  drivers being modernized to use clk_parent_data so we can move away
  from global string names for all the clks in an SoC. Finally there's
  lots of little fixes all over the clk drivers for typos, warnings, and
  missing clks that aren't critical and get batched up waiting for the
  next merge window to open. Nothing super big stands out in the driver
  pile. Full details are below.

  Core:
   - Make clk_set_rate_range() re-evaluate the limits each time
   - Introduce various clk_set_rate_range() tests
   - Add clk_drop_range() to drop a previously set range

  New Drivers:
   - i.MXRT1050 clock driver and bindings
   - i.MX8DXL clock driver and bindings
   - i.MX93 clock driver and bindings
   - NCO blocks on Apple SoCs
   - Audio clks on StarFive JH7100 RISC-V SoC
   - Add support for the new Renesas RZ/V2L SoC
   - Qualcomm SDX65 A7 PLL
   - Qualcomm SM6350 GPU clks
   - Qualcomm SM6125, SM6350, QCS2290 display clks
   - Qualcomm MSM8226 multimedia clks

  Updates:
   - Kunit tests for clk-gate implementation
   - Terminate arrays with sentinels and make that clearer
   - Cleanup SPDX tags
   - Fix typos in comments
   - Mark mux table as const in clk-mux
   - Make the all_lists array const
   - Convert Cirrus Logic CS2000P driver to regmap, yamlify DT binding
     and add support for dynamic mode
   - Clock configuration on Microchip PolarFire SoCs
   - Free allocations on probe error in Mediatek clk driver
   - Modernize Mediatek clk driver by consolidating code
   - Add watchdog (WDT), I2C, and pin function controller (PFC) clocks
     on Renesas R-Car S4-8
   - Improve the clocks for the Rockchip rk3568 display outputs
     (parenting, pll-rates)
   - Use of_device_get_match_data() instead of open-coding on Rockchip
     rk3568
   - Reintroduce the expected fractional-divider behaviour that
     disappeared with the addition of CLK_FRAC_DIVIDER_POWER_OF_TWO_PS
   - Remove SYS PLL 1/2 clock gates for i.MX8M*
   - Remove AUDIO MCLK ROOT from i.MX7D
   - Add fracn gppll clock type used by i.MX93
   - Add new composite clock for i.MX93
   - Add missing media mipi phy ref clock for i.MX8MP
   - Fix off by one in imx_lpcg_parse_clks_from_dt()
   - Rework for the imx pll14xx
   - sama7g5: One low priority fix for GCLK of PDMC
   - Add DMA engine (SYS-DMAC) clocks on Renesas R-Car S4-8
   - Add MOST (MediaLB I/F) clocks on Renesas R-Car E3 and D3
   - Add CAN-FD clocks on Renesas R-Car V3U
   - Qualcomm SC8280XP RPMCC
   - Add some missing clks on Qualcomm MSM8992/MSM8994/MSM8998 SoCs
   - Rework Qualcomm GCC bindings and convert SDM845 camera bindig to
     YAML
   - Convert various Qualcomm drivers to use clk_parent_data
   - Remove test clocks from various Qualcomm drivers
   - Crypto engine clks on Qualcomm IPQ806x + more freqs for SDCC/NSS
   - Qualcomm SM8150 EMAC, PCIe, UFS GDSCs
   - Better pixel clk frequency support on Qualcomm RCG2 clks"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (227 commits)
  clk: zynq: Update the parameters to zynq_clk_register_periph_clk
  clk: zynq: trivial warning fix
  clk: Drop the rate range on clk_put()
  clk: test: Test clk_set_rate_range on orphan mux
  clk: Initialize orphan req_rate
  dt-bindings: clock: drop useless consumer example
  dt-bindings: clock: renesas: Make example 'clocks' parsable
  clk: qcom: gcc-msm8994: Fix gpll4 width
  dt-bindings: clock: fix dt_binding_check error for qcom,gcc-other.yaml
  clk: rs9: Add Renesas 9-series PCIe clock generator driver
  clk: fixed-factor: Introduce devm_clk_hw_register_fixed_factor_index()
  clk: visconti: prevent array overflow in visconti_clk_register_gates()
  dt-bindings: clk: rs9: Add Renesas 9-series I2C PCIe clock generator
  clk: sifive: Move all stuff into SoCs header files from C files
  clk: sifive: Add SoCs prefix in each SoCs-dependent data
  riscv: dts: Change the macro name of prci in each device node
  dt-bindings: change the macro name of prci in header files and example
  clk: sifive: duplicate the macro definitions for the time being
  clk: qcom: sm6125-gcc: fix typos in comments
  clk: ti: clkctrl: fix typos in comments
  ...
2022-03-30 10:11:04 -07:00
Linus Torvalds
ee96dd9614 libnvdimm for 5.18
- Add perf support for nvdimm events, initially only for 'papr_scm'
   devices.
 
 - Deprecate the 'block aperture' support in libnvdimm, it only ever
   existed in the specification, not in shipping product.
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Merge tag 'libnvdimm-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm

Pull libnvdimm updates from Dan Williams:
 "The update for this cycle includes the deprecation of block-aperture
  mode and a new perf events interface for the papr_scm nvdimm driver.

  The perf events approach was acked by PeterZ.

   - Add perf support for nvdimm events, initially only for 'papr_scm'
     devices.

   - Deprecate the 'block aperture' support in libnvdimm, it only ever
     existed in the specification, not in shipping product"

* tag 'libnvdimm-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  nvdimm/blk: Fix title level
  MAINTAINERS: remove section LIBNVDIMM BLK: MMIO-APERTURE DRIVER
  powerpc/papr_scm: Fix build failure when
  drivers/nvdimm: Fix build failure when CONFIG_PERF_EVENTS is not set
  nvdimm/region: Delete nd_blk_region infrastructure
  ACPI: NFIT: Remove block aperture support
  nvdimm/namespace: Delete nd_namespace_blk
  nvdimm/namespace: Delete blk namespace consideration in shared paths
  nvdimm/blk: Delete the block-aperture window driver
  nvdimm/region: Fix default alignment for small regions
  docs: ABI: sysfs-bus-nvdimm: Document sysfs event format entries for nvdimm pmu
  powerpc/papr_scm: Add perf interface support
  drivers/nvdimm: Add perf interface to expose nvdimm performance stats
  drivers/nvdimm: Add nvdimm pmu structure
2022-03-30 10:04:11 -07:00
Christoph Hellwig
05b0ebd06a PCI/doc: cleanup references to the legacy PCI DMA API
Mention the regular DMA API calls instead of the now removed PCI DMA API.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
2022-03-30 16:54:24 +02:00
Vinod Koul
6094e391e6 dt-bindings: net: qcom,ethqos: Document SM8150 SoC compatible
SM8150 has an ethernet controller and it needs a different
configuration, so add a new compatible for this.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
[bhsharma: Massage the commit log]
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Link: https://lore.kernel.org/r/20220325200731.1585554-1-bhupesh.sharma@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-03-29 15:37:10 -07:00
Linus Torvalds
1d59c3b669 More power management updates for 5.18-rc1
- Add per core DVFS support for QCom SoC (Bjorn Andersson), convert
    to yaml binding (Manivannan Sadhasivam) and various other fixes
    to the QCom drivers (Luca Weiss).
 
  - Add OPP table for imx7s SoC (Denys Drozdov) and minor fixes (Stefan
    Agner).
 
  - Fix CPPC driver's freq/performance conversions (Pierre Gondois).
 
  - Minor generic cleanups (Yury Norov).
 
  - Introduce opp-microwatt property to the OPP core, bindings, etc
    (Lukasz Luba).
 
  - Convert DT bindings to schema format and various related fixes
    (Yassine Oudjana).
 
  - Expose OPP's OF node in debugfs (Viresh Kumar).
 
  - Add Intel uncore frequency scaling documentation file to its
    MAINTAINERS entry (Srinivas Pandruvada).
 
  - Clean up the AMD P-state driver documentation (Jan Engelhardt).
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Merge tag 'pm-5.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more power management updates from Rafael Wysocki:
 "These update ARM cpufreq drivers, the OPP (Operating Performance
  Points) library and the power management documentation.

  Specifics:

   - Add per core DVFS support for QCom SoC (Bjorn Andersson), convert
     to yaml binding (Manivannan Sadhasivam) and various other fixes to
     the QCom drivers (Luca Weiss).

   - Add OPP table for imx7s SoC (Denys Drozdov) and minor fixes (Stefan
     Agner).

   - Fix CPPC driver's freq/performance conversions (Pierre Gondois).

   - Minor generic cleanups (Yury Norov).

   - Introduce opp-microwatt property to the OPP core, bindings, etc
     (Lukasz Luba).

   - Convert DT bindings to schema format and various related fixes
     (Yassine Oudjana).

   - Expose OPP's OF node in debugfs (Viresh Kumar).

   - Add Intel uncore frequency scaling documentation file to its
     MAINTAINERS entry (Srinivas Pandruvada).

   - Clean up the AMD P-state driver documentation (Jan Engelhardt)"

* tag 'pm-5.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (24 commits)
  Documentation: amd-pstate: grammar and sentence structure updates
  dt-bindings: cpufreq: cpufreq-qcom-hw: Convert to YAML bindings
  dt-bindings: dvfs: Use MediaTek CPUFREQ HW as an example
  Documentation: EM: Describe new registration method using DT
  OPP: Add support of "opp-microwatt" for EM registration
  PM: EM: add macro to set .active_power() callback conditionally
  OPP: Add "opp-microwatt" supporting code
  dt-bindings: opp: Add "opp-microwatt" entry in the OPP
  MAINTAINERS: Add additional file to uncore frequency control
  cpufreq: blocklist Qualcomm sc8280xp and sa8540p in cpufreq-dt-platdev
  cpufreq: qcom-hw: Add support for per-core-dcvs
  dt-bindings: power: avs: qcom,cpr: Convert to DT schema
  arm64: dts: qcom: qcs404: Rename CPU and CPR OPP tables
  arm64: dts: qcom: msm8996: Rename cluster OPP tables
  dt-bindings: opp: Convert qcom-nvmem-cpufreq to DT schema
  dt-bindings: opp: qcom-opp: Convert to DT schema
  arm64: dts: qcom: msm8996-mtp: Add msm8996 compatible
  dt-bindings: arm: qcom: Add msm8996 and apq8096 compatibles
  opp: Expose of-node's name in debugfs
  cpufreq: CPPC: Fix performance/frequency conversion
  ...
2022-03-29 11:06:55 -07:00
Paolo Bonzini
cde363ab7c Documentation: KVM: add API issues section
Add a section to document all the different ways in which the KVM API sucks.

I am sure there are way more, give people a place to vent so that userspace
authors are aware.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220322110712.222449-4-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-03-29 13:21:20 -04:00
Paolo Bonzini
45016721de Documentation: KVM: add virtual CPU errata documentation
Add a file to document all the different ways in which the virtual CPU
emulation is imperfect.  Include an example to show how to document
such errata.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Jim Mattson <jmattson@google.com>
Reviewed-by: Oliver Upton <oupton@google.com>
Message-Id: <20220322110712.222449-3-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-03-29 13:21:20 -04:00
Paolo Bonzini
daec8d4083 Documentation: KVM: add separate directories for architecture-specific documentation
ARM already has an arm/ subdirectory, but s390 and x86 do not even though
they have a relatively large number of files specific to them.  Create
new directories in Documentation/virt/kvm for these two architectures
as well.

While at it, group the API documentation and the developer documentation
in the table of contents.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220322110712.222449-2-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-03-29 13:21:20 -04:00
Paolo Bonzini
99a17b7770 Documentation: kvm: include new locks
kvm->mn_invalidate_lock and kvm->slots_arch_lock were not included in the
documentation, add them.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220322110720.222499-3-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-03-29 13:21:19 -04:00
Paolo Bonzini
e9611bf9d2 Documentation: kvm: fixes for locking.rst
Separate the various locks clearly, and include the new names of blocked_vcpu_on_cpu_lock
and blocked_vcpu_on_cpu.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220322110720.222499-2-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-03-29 13:21:19 -04:00
Stephen Boyd
cf683abd39 Merge branches 'clk-sifive' and 'clk-visconti' into clk-next
* clk-sifive:
  clk: sifive: Move all stuff into SoCs header files from C files
  clk: sifive: Add SoCs prefix in each SoCs-dependent data
  riscv: dts: Change the macro name of prci in each device node
  dt-bindings: change the macro name of prci in header files and example
  clk: sifive: duplicate the macro definitions for the time being

* clk-visconti:
  clk: visconti: prevent array overflow in visconti_clk_register_gates()
2022-03-29 10:19:52 -07:00
Stephen Boyd
c64dd8ea8e Merge branches 'clk-range', 'clk-uniphier', 'clk-apple' and 'clk-qcom' into clk-next
- Make clk_set_rate_range() re-evaluate the limits each time
 - Introduce various clk_set_rate_range() tests
 - Add clk_drop_range() to drop a previously set range
 - Support for NCO blocks on Apple SoCs

* clk-range:
  clk: Drop the rate range on clk_put()
  clk: test: Test clk_set_rate_range on orphan mux
  clk: Initialize orphan req_rate
  clk: bcm: rpi: Run some clocks at the minimum rate allowed
  clk: bcm: rpi: Set a default minimum rate
  clk: bcm: rpi: Add variant structure
  clk: Add clk_drop_range
  clk: Always set the rate on clk_set_range_rate
  clk: Use clamp instead of open-coding our own
  clk: Always clamp the rounded rate
  clk: Enforce that disjoints limits are invalid
  clk: Introduce Kunit Tests for the framework
  clk: Fix clk_hw_get_clk() when dev is NULL

* clk-uniphier:
  clk: uniphier: Fix fixed-rate initialization

* clk-apple:
  clk: clk-apple-nco: Allow and fix module building
  MAINTAINERS: Add clk-apple-nco under ARM/APPLE MACHINE
  clk: clk-apple-nco: Add driver for Apple NCO
  dt-bindings: clock: Add Apple NCO

* clk-qcom: (61 commits)
  clk: qcom: gcc-msm8994: Fix gpll4 width
  dt-bindings: clock: fix dt_binding_check error for qcom,gcc-other.yaml
  clk: qcom: Add display clock controller driver for SM6125
  dt-bindings: clock: add QCOM SM6125 display clock bindings
  clk: qcom: Fix sorting of SDX_GCC_65 in Makefile and Kconfig
  clk: qcom: gcc: Add emac GDSC support for SM8150
  clk: qcom: gcc: sm8150: Fix some identation issues
  clk: qcom: gcc: Add UFS_CARD and UFS_PHY GDSCs for SM8150
  clk: qcom: gcc: Add PCIe0 and PCIe1 GDSC for SM8150
  clk: qcom: clk-rcg2: Update the frac table for pixel clock
  clk: qcom: clk-rcg2: Update logic to calculate D value for RCG
  clk: qcom: smd: Add missing MSM8998 RPM clocks
  clk: qcom: smd: Add missing RPM clocks for msm8992/4
  dt-bindings: clock: qcom: rpmcc: Add RPM Modem SubSystem (MSS) clocks
  clk: qcom: gcc-ipq806x: add CryptoEngine resets
  dt-bindings: reset: add ipq8064 ce5 resets
  clk: qcom: gcc-ipq806x: add CryptoEngine clocks
  dt-bindings: clock: add ipq8064 ce5 clk define
  clk: qcom: gcc-ipq806x: add additional freq for sdc table
  clk: qcom: clk-rcg: add clk_rcg_floor_ops ops
  ...
2022-03-29 10:19:36 -07:00
Stephen Boyd
4222744d40 Merge branches 'clk-starfive', 'clk-ti', 'clk-terminate' and 'clk-cleanup' into clk-next
- Audio clks on StarFive JH7100 RISC-V SoC
 - Terminate arrays with sentinels and make that clearer
 - Cleanup SPDX tags
 - Fix typos in comments

* clk-starfive:
  clk: starfive: Add JH7100 audio clock driver
  clk: starfive: jh7100: Support more clock types
  clk: starfive: jh7100: Make hw clock implementation reusable
  dt-bindings: clock: Add starfive,jh7100-audclk bindings
  dt-bindings: clock: Add JH7100 audio clock definitions
  clk: starfive: jh7100: Handle audio_div clock properly
  clk: starfive: jh7100: Don't round divisor up twice

* clk-ti:
  clk: ti: Drop legacy compatibility clocks for dra7
  clk: ti: Drop legacy compatibility clocks for am4
  clk: ti: Drop legacy compatibility clocks for am3
  clk: ti: Update component clocks to use ti_dt_clk_name()
  clk: ti: Update pll and clockdomain clocks to use ti_dt_clk_name()
  clk: ti: Add ti_dt_clk_name() helper to use clock-output-names
  clk: ti: Use clock-output-names for clkctrl
  clk: ti: Add ti_find_clock_provider() to use clock-output-names
  clk: ti: Optionally parse IO address from parent clock node
  clk: ti: Preserve node in ti_dt_clocks_register()
  clk: ti: Constify clkctrl_name

* clk-terminate:
  clk: actions: Make sentinel elements more obvious
  clk: clps711x: Terminate clk_div_table with sentinel element
  clk: hisilicon: Terminate clk_div_table with sentinel element
  clk: loongson1: Terminate clk_div_table with sentinel element
  clk: actions: Terminate clk_div_table with sentinel element

* clk-cleanup:
  clk: zynq: Update the parameters to zynq_clk_register_periph_clk
  clk: zynq: trivial warning fix
  clk: qcom: sm6125-gcc: fix typos in comments
  clk: ti: clkctrl: fix typos in comments
  clk: COMMON_CLK_LAN966X should depend on SOC_LAN966
  clk: Use of_device_get_match_data()
  clk: bcm2835: Remove unused variable
  clk: tegra: tegra124-emc: Fix missing put_device() call in emc_ensure_emc_driver
  clk: cleanup comments
  clk: socfpga: cleanup spdx tags
2022-03-29 10:19:10 -07:00
Stephen Boyd
9babf95203 Merge branches 'clk-mvebu', 'clk-const', 'clk-imx' and 'clk-rockchip' into clk-next
- Mark mux table as const in clk-mux
 - Make the all_lists array const

* clk-mvebu:
  clk: mvebu: use time_is_before_eq_jiffies() instead of open coding it

* clk-const:
  clk: Mark clk_core_evict_parent_cache_subtree() 'target' const
  clk: Mark 'all_lists' as const
  clk: pistachio: Declare mux table as const u32[]
  clk: qcom: Declare mux table as const u32[]
  clk: mmp: Declare mux tables as const u32[]
  clk: hisilicon: Remove unnecessary cast of mux table to u32 *
  clk: mux: Declare u32 *table parameter as const
  clk: nxp: Declare mux table parameter as const u32 *
  clk: nxp: Remove unused variable

* clk-imx: (28 commits)
  dt-bindings: clock: drop useless consumer example
  clk: imx: Select MXC_CLK for i.MX93 clock driver
  clk: imx: remove redundant re-assignment of pll->base
  MAINTAINERS: clk: imx: add git tree and dt-bindings files
  clk: imx: pll14xx: Support dynamic rates
  clk: imx: pll14xx: Add pr_fmt
  clk: imx: pll14xx: explicitly return lowest rate
  clk: imx: pll14xx: name variables after usage
  clk: imx: pll14xx: consolidate rate calculation
  clk: imx: pll14xx: Use FIELD_GET/FIELD_PREP
  clk: imx: pll14xx: Drop wrong shifting
  clk: imx: pll14xx: Use register defines consistently
  clk: imx8mp: remove SYS PLL 1/2 clock gates
  clk: imx8mn: remove SYS PLL 1/2 clock gates
  clk: imx8mm: remove SYS PLL 1/2 clock gates
  clk: imx: add i.MX93 clk
  clk: imx: support fracn gppll
  clk: imx: add i.MX93 composite clk
  dt-bindings: clock: add i.MX93 clock definition
  dt-bindings: clock: Add imx93 clock support
  ...

* clk-rockchip:
  clk: rockchip: re-add rational best approximation algorithm to the fractional divider
  clk/rockchip: Use of_device_get_match_data()
  clk: rockchip: Add CLK_SET_RATE_PARENT to the HDMI reference clock on rk3568
  clk: rockchip: drop CLK_SET_RATE_PARENT from dclk_vop* on rk3568
  clk: rockchip: Add more PLL rates for rk3568
2022-03-29 10:18:56 -07:00
Stephen Boyd
f9fca892af Merge branches 'clk-xilinx', 'clk-kunit', 'clk-cs2000' and 'clk-renesas' into clk-next
- Kunit tests for clk-gate implementation
 - Convert Cirrus Logic CS2000P driver to regmap, yamlify DT binding and add
   support for dynamic mode

* clk-xilinx:
  clk: zynqmp: replace warn_once with pr_debug for failed clock ops

* clk-kunit:
  clk: gate: Add some kunit test suites

* clk-cs2000:
  clk: cs2000-cp: convert driver to regmap
  clk: cs2000-cp: freeze config during register fiddling
  clk: cs2000-cp: make clock skip setting configurable
  clk: cs2000-cp: add support for dynamic mode
  clk: cs2000-cp: Make aux output function controllable
  dt-bindings: clock: cs2000-cp: document cirrus,dynamic-mode
  dt-bindings: clock: cs2000-cp: document cirrus,clock-skip flag
  dt-bindings: clock: cs2000-cp: document aux-output-source
  dt-bindings: clock: convert cs2000-cp bindings to yaml

* clk-renesas:
  dt-bindings: clock: renesas: Make example 'clocks' parsable
  clk: rs9: Add Renesas 9-series PCIe clock generator driver
  clk: fixed-factor: Introduce devm_clk_hw_register_fixed_factor_index()
  dt-bindings: clk: rs9: Add Renesas 9-series I2C PCIe clock generator
  clk: renesas: r8a779f0: Add PFC clock
  clk: renesas: r8a779f0: Add I2C clocks
  clk: renesas: r8a779f0: Add WDT clock
  clk: renesas: r8a779f0: Fix RSW2 clock divider
  clk: renesas: rzg2l-cpg: Add support for RZ/V2L SoC
  dt-bindings: clock: renesas: Document RZ/V2L SoC
  dt-bindings: clock: Add R9A07G054 CPG Clock and Reset Definitions
  clk: renesas: r8a779a0: Add CANFD module clock
  clk: renesas: r9a07g044: Update multiplier and divider values for PLL2/3
  clk: renesas: r8a7799[05]: Add MLP clocks
  clk: renesas: r8a779f0: Add SYS-DMAC clocks
2022-03-29 10:18:37 -07:00
Stephen Boyd
407c04d6ad Merge branches 'clk-microchip', 'clk-si', 'clk-mtk', 'clk-at91' and 'clk-st' into clk-next
- Clock configuration on Microchip PolarFire SoCs
 - Free allocations on probe error in Mediatek clk driver
 - Modernize Mediatek clk driver by consolidating code

* clk-microchip:
  clk: microchip: Add driver for Microchip PolarFire SoC
  dt-bindings: clk: microchip: Add Microchip PolarFire host binding

* clk-si:
  clk-si5341: replace snprintf in show functions with sysfs_emit
  clk: si5341: fix reported clk_rate when output divider is 2

* clk-mtk: (32 commits)
  clk: mediatek: Warn if clk IDs are duplicated
  clk: mediatek: mt8195: Implement remove functions
  clk: mediatek: mt8195: Implement error handling in probe functions
  clk: mediatek: mt8195: Hook up mtk_clk_simple_remove()
  clk: mediatek: Unregister clks in mtk_clk_simple_probe() error path
  clk: mediatek: mtk: Implement error handling in register APIs
  clk: mediatek: pll: Implement error handling in register API
  clk: mediatek: mux: Implement error handling in register API
  clk: mediatek: mux: Reverse check for existing clk to reduce nesting level
  clk: mediatek: gate: Implement error handling in register API
  clk: mediatek: cpumux: Implement error handling in register API
  clk: mediatek: mtk: Clean up included headers
  clk: mediatek: Add mtk_clk_simple_remove()
  clk: mediatek: Implement mtk_clk_unregister_composites() API
  clk: mediatek: Implement mtk_clk_unregister_divider_clks() API
  clk: mediatek: Implement mtk_clk_unregister_factors() API
  clk: mediatek: Implement mtk_clk_unregister_fixed_clks() API
  clk: mediatek: pll: Clean up included headers
  clk: mediatek: pll: Implement unregister API
  clk: mediatek: pll: Split definitions into separate header file
  ...

* clk-at91:
  clk: at91: clk-master: remove dead code
  clk: at91: sama7g5: fix parents of PDMCs' GCLK
  clk: at91: sama7g5: Allow MCK1 to be exported and referenced in DT
  clk: at91: allow setting PMC_AUDIOPINCK clock parents via DT

* clk-st:
  clk: stm32mp1: Add parent_data to ETHRX clock
  clk: stm32mp1: Split ETHCK_K into separate MUX and GATE clock
2022-03-29 10:18:21 -07:00
Rafael J. Wysocki
3b65dd5be3 Merge branch 'pm-docs'
Merge additional power management documentation udates for 5.18-rc1:

 - Add Intel uncore frequency scaling documentation file to its
   MAINTAINERS entry (Srinivas Pandruvada).

 - Clean up the AMD P-state driver documentation (Jan Engelhardt).

* pm-docs:
  Documentation: amd-pstate: grammar and sentence structure updates
  MAINTAINERS: Add additional file to uncore frequency control
2022-03-29 18:53:28 +02:00
Rafael J. Wysocki
79bc8bface Merge branch 'pm-opp'
Merge OPP (Operating Performance Points) changes for 5.18-rc1.

* pm-opp:
  Documentation: EM: Describe new registration method using DT
  OPP: Add support of "opp-microwatt" for EM registration
  PM: EM: add macro to set .active_power() callback conditionally
  OPP: Add "opp-microwatt" supporting code
  dt-bindings: opp: Add "opp-microwatt" entry in the OPP
  dt-bindings: power: avs: qcom,cpr: Convert to DT schema
  arm64: dts: qcom: qcs404: Rename CPU and CPR OPP tables
  arm64: dts: qcom: msm8996: Rename cluster OPP tables
  dt-bindings: opp: Convert qcom-nvmem-cpufreq to DT schema
  dt-bindings: opp: qcom-opp: Convert to DT schema
  arm64: dts: qcom: msm8996-mtp: Add msm8996 compatible
  dt-bindings: arm: qcom: Add msm8996 and apq8096 compatibles
  opp: Expose of-node's name in debugfs
2022-03-29 18:52:32 +02:00
Rob Herring
22a41e9a50 dt-bindings: Fix missing '/schemas' in $ref paths
Absolute paths in $ref should always begin with '/schemas'. The tools
mostly work with it omitted, but for correctness the path should be
everything except the hostname as that is taken from the schema's $id
value. This scheme is defined in the json-schema spec.

Cc: Hector Martin <marcan@marcan.st>
Cc: Sven Peter <sven@svenpeter.dev>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Vivien Didelot <vivien.didelot@gmail.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Vladimir Oltean <olteanv@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Chunfeng Yun <chunfeng.yun@mediatek.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Mukesh Savaliya <msavaliy@codeaurora.org>
Cc: Akash Asthana <akashast@codeaurora.org>
Cc: Bayi Cheng <bayi.cheng@mediatek.com>
Cc: Chuanhong Guo <gch981213@gmail.com>
Cc: Min Guo <min.guo@mediatek.com>
Cc: netdev@vger.kernel.org
Cc: linux-spi@vger.kernel.org
Cc: linux-usb@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Mark Brown <broonie@debian.org>
Link: https://lore.kernel.org/r/20220325215652.525383-1-robh@kernel.org
2022-03-28 20:17:55 -05:00
Rob Herring
a50e431bbc dt-bindings: media: mediatek,vcodec: Fix addressing cell sizes
'dma-ranges' in the example is written for cell sizes of 2 cells, but
the schema and example specify sizes of 1 cell. As the h/w has a bus
address of >32-bits, cell sizes of 2 is correct. Update the schema's
'#address-cells' and '#size-cells' to be 2 and adjust the example
throughout.

There's no error currently because dtc only checks 'dma-ranges' is a
correct multiple number of cells (3) and the schema checking is based on
bracketing of entries.

Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220301233501.2110047-1-robh@kernel.org
2022-03-28 20:17:55 -05:00
Biao Huang
09a2fb41ba dt-bindings: net: snps,dwmac: modify available values of PBL
PBL can be any of the following values: 1, 2, 4, 8, 16 or 32
according to the datasheet, so modify available values of PBL in
snps,dwmac.yaml.

Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220324012112.7016-2-biao.huang@mediatek.com
2022-03-28 20:17:55 -05:00
AngeloGioacchino Del Regno
bff4e302a6 dt-bindings: display: mediatek: Fix examples on new bindings
To avoid failure of dt_binding_check perform a slight refactoring
of the examples: the main block is kept, but that required fixing
the address and size cells, plus the inclusion of missing dt-bindings
headers, required to parse some of the values assigned to various
properties.

Fixes: 4ed545e7d1 ("dt-bindings: display: mediatek: disp: split each block to individual yaml")
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: jason-jh.lin <jason-jh.lin@mediatek.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Tested-by: jason-jh.lin <jason-jh.lin@medaitek.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220309134702.9942-5-jason-jh.lin@mediatek.com
2022-03-28 20:17:55 -05:00
AngeloGioacchino Del Regno
10f17b2054 dt-bindings: display: mediatek, ovl: Fix 'iommu' required property typo
The property is called 'iommus' and not 'iommu'. Fix this typo.

Fixes: 4ed545e7d1 ("dt-bindings: display: mediatek: disp: split each block to individual yaml")
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: jason-jh.lin <jason-jh.lin@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220309134702.9942-4-jason-jh.lin@mediatek.com
2022-03-28 20:17:54 -05:00
AngeloGioacchino Del Regno
ab487888d5 dt-bindings: display: mediatek, mutex: Fix mediatek, gce-events type
The mediatek,gce-events property needs as value an array of uint32
corresponding to the CMDQ events to listen to, and not any phandle.

Fixes: 4ed545e7d1 ("dt-bindings: display: mediatek: disp: split each block to individual yaml")
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: jason-jh.lin <jason-jh.lin@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220309134702.9942-3-jason-jh.lin@mediatek.com
2022-03-28 20:17:54 -05:00
jason-jh.lin
dcb09a08d8 Revert "dt-bindings: display: mediatek: add ethdr definition for mt8195"
This reverts commit e7dcfe6420.

Because examples property of mediatek,ethdr.yaml should base on [1][2].
Reverting it until [1][2] are applied.

[1] dt-bindings: mediatek: mt8195: Add binding for MM IOMMU
https://patchwork.kernel.org/project/linux-mediatek/patch/20220217113453.13658-2-yong.wu@mediatek.com/
[2] dt-bindings: reset: mt8195: add vdosys1 reset control bit
https://patchwork.kernel.org/project/linux-mediatek/patch/20220222100741.30138-5-nancy.lin@mediatek.com/

Signed-off-by: jason-jh.lin <jason-jh.lin@mediatek.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220309134702.9942-2-jason-jh.lin@mediatek.com
2022-03-28 20:17:54 -05:00
David Gow
9df072c73b Documentation: kunit: Fix cross-referencing warnings
The Architecture chapter of the KUnit documentation tried to include
copies of the kernel-doc for a couple of things, despite these already
existing in the API documentation. This lead to some warnings:

architecture:31: ./include/kunit/test.h:3: WARNING: Duplicate C declaration, also defined at dev-tools/kunit/api/test:66.
Declaration is '.. c:struct:: kunit_case'.
architecture:163: ./include/kunit/test.h:1217: WARNING: Duplicate C declaration, also defined at dev-tools/kunit/api/test:1217.
Declaration is '.. c:macro:: KUNIT_ARRAY_PARAM'.
architecture.rst:3: WARNING: Duplicate C declaration, also defined at dev-tools/kunit/api/test:66.
Declaration is '.. c:struct:: kunit_case'.
architecture.rst:1217: WARNING: Duplicate C declaration, also defined at dev-tools/kunit/api/test:1217.
Declaration is '.. c:macro:: KUNIT_ARRAY_PARAM'.

Get rid of these, and cleanup the mentions of the struct and macro in
question so that sphinx generates a link to the existing copy of the
documentation in the api/test document.

Fixes: bc145b370c ("Documentation: KUnit: Added KUnit Architecture")
Signed-off-by: David Gow <davidgow@google.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Tested-by: Brendan Higgins <brendanhiggins@google.com>
Link: https://lore.kernel.org/r/20220326054414.637293-1-davidgow@google.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-03-28 15:36:41 -06:00
Linus Torvalds
7203062171 TTY/Serial driver changes for 5.18-rc1
Here are the big set of tty and serial driver changes for 5.18-rc1.
 
 Nothing major, some more good cleanups from Jiri and 2 new serial
 drivers.  Highlights include:
 	- termbits cleanups
 	- export symbol cleanups and other core cleanups from Jiri Slaby
 	- new sunplus and mvebu uart drivers (amazing that people are
 	  still creating new uarts...)
 	- samsung serial driver cleanups
 	- ldisc 29 is now "reserved" for experimental/development line
 	  disciplines
 	- lots of other tiny fixes and cleanups to serial drivers and
 	  bindings
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial driver updates from Greg KH:
 "Here are the big set of tty and serial driver changes for 5.18-rc1.

  Nothing major, some more good cleanups from Jiri and 2 new serial
  drivers. Highlights include:

   - termbits cleanups

   - export symbol cleanups and other core cleanups from Jiri Slaby

   - new sunplus and mvebu uart drivers (amazing that people are still
     creating new uarts...)

   - samsung serial driver cleanups

   - ldisc 29 is now "reserved" for experimental/development line
     disciplines

   - lots of other tiny fixes and cleanups to serial drivers and
     bindings

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

* tag 'tty-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (104 commits)
  vt_ioctl: fix potential spectre v1 in VT_DISALLOCATE
  serial: 8250: fix XOFF/XON sending when DMA is used
  tty: serial: samsung: Add ARTPEC-8 support
  dt-bindings: serial: samsung: Add ARTPEC-8 UART
  serial: sc16is7xx: Clear RS485 bits in the shutdown
  tty: serial: samsung: simplify getting OF match data
  tty: serial: samsung: constify variables and pointers
  tty: serial: samsung: constify s3c24xx_serial_drv_data members
  tty: serial: samsung: constify UART name
  tty: serial: samsung: constify s3c24xx_serial_drv_data
  tty: serial: samsung: reduce number of casts
  tty: serial: samsung: embed s3c2410_uartcfg in parent structure
  tty: serial: samsung: embed s3c24xx_uart_info in parent structure
  serial: 8250_tegra: mark acpi_device_id as unused with !ACPI
  tty: serial: bcm63xx: use more precise Kconfig symbol
  serial: SERIAL_SUNPLUS should depend on ARCH_SUNPLUS
  tty: serial: jsm: fix two assignments in if conditions
  tty: serial: jsm: remove redundant assignments to variable linestatus
  serial: 8250_mtk: make two read-only arrays static const
  serial: samsung_tty: do not unlock port->lock for uart_write_wakeup()
  ...
2022-03-28 13:00:51 -07:00
Mauro Carvalho Chehab
b79dfef0e2 scripts/kernel-doc: change the line number meta info
In order to make it more standard and ReST compatible,
change the meta-tag used with --enable-lineno from:

        #define LINENO

to
        .. LINENO

In practice, no	functional changes.

Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Link: https://lore.kernel.org/r/40725032b5a4a33db740bf1de397523af958ff8a.1648290305.git.mchehab@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-03-28 13:53:46 -06:00
Mauro Carvalho Chehab
92b6de17b2 scripts/get_abi: change the file/line number meta info
In order to make it more standard and ReST compatible,
change the meta-tag used with --enable-lineno from:

	#define LINENO

to
	.. LINENO

In practice, no functional changes.

Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Link: https://lore.kernel.org/r/125ffd31fbc77ad9eee4d6906e1830b8162fa6ca.1648290305.git.mchehab@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-03-28 13:53:46 -06:00
Mauro Carvalho Chehab
bcf0a536bf docs: kernel_include.py: add sphinx build dependencies
The files included by kernel-include should be added as build
dependencies, in order for sphinx-build to rebuild the corresponding
docs if any changes at the included file happens.

Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Link: https://lore.kernel.org/r/d30fc4fa422a13b7e1623d690945c46b58a55e79.1648290305.git.mchehab@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-03-28 13:53:46 -06:00
Mauro Carvalho Chehab
b4541803d8 docs: kernel_abi.py: add sphinx build dependencies
Ensure that Sphinx-build will handle the files parsed by
get_abi.pl as dependencies. This way, if they are touched,
the ABI output will be regenerated.

Reported-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Link: https://lore.kernel.org/r/10bc3d3bc74f514a539cd3b48b9d287d2b6f99e2.1648290305.git.mchehab@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-03-28 13:53:46 -06:00
Mauro Carvalho Chehab
85999f0314 docs: kernel_feat.py: add build dependencies
Ensure that the feature files will be regenerated if any
changes happen at the Documentation/features files that were
processed by gen_feat.pl.

Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Link: https://lore.kernel.org/r/5cdf7a8300019129dcc09d4c2557f75908754445.1648290305.git.mchehab@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-03-28 13:53:46 -06:00
Akira Yokosawa
d987d5ae51 docs: kfigure.py: Don't warn of missing PDF converter in 'make htmldocs'
SVG -> PDF conversion is not required in "make htmldocs".
It is pointless to always warn of a missing converter.
Demote the log message in setupTools() to verbose.

For "make pdfdocs" (or "make latexdocs"), promote the dynamic
message of "include SVG raw" to a warn.
Expand the message and recommend installing Inkscape or
ImageMagick.

Fixes: 8ccd05697a ("docs: sphinx/kfigure.py: Use inkscape(1) for SVG -> PDF conversion")
Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: linux-doc@vger.kernel.org
Acked-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Link: https://lore.kernel.org/r/c80e1481-10d4-7151-fe59-e846259eb0d4@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-03-28 13:52:51 -06:00
Linus Torvalds
dfdc1de642 Staging driver update for 5.18-rc1
Here is the big set of staging driver updates for 5.18-rc1.
 
 Loads of tiny cleanups for almost all staging drivers in here, nothing
 major at all.  Highlights include:
 	- remove the ashmem Android driver.  It is long-dead and if
 	  there are any legacy userspace applications still using it,
 	  the Android kernel images will maintain it, the community
 	  shouldn't care about it anymore
 	- wfx wifi driver major cleanups.  Should be ready to merge out
 	  of staging soon, and will coordinate with the wifi maintainers
 	  after -rc1 is out
 	- major cleanups and unwinding of the layers of the r8188eu
 	  driver.  It's amazing just how many unneeded layers of
 	  abstraction is in there, just when we think it's done, another
 	  is found...
 	- lots of tiny coding style cleanups in many other staging
 	  drivers.
 
 There will be merge conflict with a fbtft change and the spi driver
 changes in your tree, but it's pretty obvious what to do (the function
 shouldn't return anything.)
 
 All have been in linux-next for a while with no reported problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver updates from Greg KH:
 "Here is the big set of staging driver updates for 5.18-rc1.

  Loads of tiny cleanups for almost all staging drivers in here, nothing
  major at all. Highlights include:

   - remove the ashmem Android driver. It is long-dead and if there are
     any legacy userspace applications still using it, the Android
     kernel images will maintain it, the community shouldn't care about
     it anymore

   - wfx wifi driver major cleanups. Should be ready to merge out of
     staging soon, and will coordinate with the wifi maintainers after
     -rc1 is out

   - major cleanups and unwinding of the layers of the r8188eu driver.
     It's amazing just how many unneeded layers of abstraction is in
     there, just when we think it's done, another is found...

   - lots of tiny coding style cleanups in many other staging drivers.

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

* tag 'staging-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (455 commits)
  staging: r8188eu: remove unnecessary memset in r8188eu
  staging: greybus: introduce pwm_ops::apply
  staging: rts5208: Resolve checkpatch.pl issues.
  staging: sm750fb: fix naming style
  staging: fbtft: Consider type of init sequence values in fbtft_init_display()
  staging: fbtft: Constify buf parameter in fbtft_dbg_hex()
  staging: mmal-vchiq: clear redundant item named bulk_scratch
  mips: dts: ralink: add MT7621 SoC
  staging: r8188eu: remove some unused local ieee80211 macros
  staging: r8188eu: make rtl8188e_process_phy_info static
  staging: r8188eu: remove unused function prototype
  staging: r8188eu: remove three unused receive defines
  staging: r8188eu: remove unnecessary initializations
  staging: rtl8192e: Fix spelling mistake "RESQUEST" -> "REQUEST"
  MAINTAINERS: remove the obsolete file entry for staging in ANDROID DRIVERS
  staging: r8188eu: proper error handling in rtw_init_drv_sw
  staging: r8188eu: call _cancel_timer_ex from _rtw_free_recv_priv
  staging: vt6656: Removed unused variable vt3342_vnt_threshold
  staging: vt6656: Removed unused variable bb_vga_0
  staging: remove ashmem
  ...
2022-03-28 12:50:50 -07:00
Linus Torvalds
266d17a8c0 Driver core changes for 5.18-rc1
Here is the set of driver core changes for 5.18-rc1.
 
 Not much here, primarily it was a bunch of cleanups and small updates:
 	- kobj_type cleanups for default_groups
 	- documentation updates
 	- firmware loader minor changes
 	- component common helper added and take advantage of it in many
 	  drivers (the largest part of this pull request).
 
 There will be a merge conflict in drivers/power/supply/ab8500_chargalg.c
 with your tree, the merge conflict should be easy (take all the
 changes).
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is the set of driver core changes for 5.18-rc1.

  Not much here, primarily it was a bunch of cleanups and small updates:

   - kobj_type cleanups for default_groups

   - documentation updates

   - firmware loader minor changes

   - component common helper added and take advantage of it in many
     drivers (the largest part of this pull request).

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

* tag 'driver-core-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (54 commits)
  Documentation: update stable review cycle documentation
  drivers/base/dd.c : Remove the initial value of the global variable
  Documentation: update stable tree link
  Documentation: add link to stable release candidate tree
  devres: fix typos in comments
  Documentation: add note block surrounding security patch note
  samples/kobject: Use sysfs_emit instead of sprintf
  base: soc: Make soc_device_match() simpler and easier to read
  driver core: dd: fix return value of __setup handler
  driver core: Refactor sysfs and drv/bus remove hooks
  driver core: Refactor multiple copies of device cleanup
  scripts: get_abi.pl: Fix typo in help message
  kernfs: fix typos in comments
  kernfs: remove unneeded #if 0 guard
  ALSA: hda/realtek: Make use of the helper component_compare_dev_name
  video: omapfb: dss: Make use of the helper component_compare_dev
  power: supply: ab8500: Make use of the helper component_compare_dev
  ASoC: codecs: wcd938x: Make use of the helper component_compare/release_of
  iommu/mediatek: Make use of the helper component_compare/release_of
  drm: of: Make use of the helper component_release_of
  ...
2022-03-28 12:41:28 -07:00
Linus Torvalds
02e2af20f4 Char/Misc and other driver updates for 5.18-rc1
Here is the big set of char/misc and other small driver subsystem
 updates for 5.18-rc1.
 
 Included in here are merges from driver subsystems which contain:
 	- iio driver updates and new drivers
 	- fsi driver updates
 	- fpga driver updates
 	- habanalabs driver updates and support for new hardware
 	- soundwire driver updates and new drivers
 	- phy driver updates and new drivers
 	- coresight driver updates
 	- icc driver updates
 
 Individual changes include:
 	- mei driver updates
 	- interconnect driver updates
 	- new PECI driver subsystem added
 	- vmci driver updates
 	- lots of tiny misc/char driver updates
 
 There will be two merge conflicts with your tree, one in MAINTAINERS
 which is obvious to fix up, and one in drivers/phy/freescale/Kconfig
 which also should be easy to resolve.
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc and other driver updates from Greg KH:
 "Here is the big set of char/misc and other small driver subsystem
  updates for 5.18-rc1.

  Included in here are merges from driver subsystems which contain:

   - iio driver updates and new drivers

   - fsi driver updates

   - fpga driver updates

   - habanalabs driver updates and support for new hardware

   - soundwire driver updates and new drivers

   - phy driver updates and new drivers

   - coresight driver updates

   - icc driver updates

  Individual changes include:

   - mei driver updates

   - interconnect driver updates

   - new PECI driver subsystem added

   - vmci driver updates

   - lots of tiny misc/char driver updates

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

* tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (556 commits)
  firmware: google: Properly state IOMEM dependency
  kgdbts: fix return value of __setup handler
  firmware: sysfb: fix platform-device leak in error path
  firmware: stratix10-svc: add missing callback parameter on RSU
  arm64: dts: qcom: add non-secure domain property to fastrpc nodes
  misc: fastrpc: Add dma handle implementation
  misc: fastrpc: Add fdlist implementation
  misc: fastrpc: Add helper function to get list and page
  misc: fastrpc: Add support to secure memory map
  dt-bindings: misc: add fastrpc domain vmid property
  misc: fastrpc: check before loading process to the DSP
  misc: fastrpc: add secure domain support
  dt-bindings: misc: add property to support non-secure DSP
  misc: fastrpc: Add support to get DSP capabilities
  misc: fastrpc: add support for FASTRPC_IOCTL_MEM_MAP/UNMAP
  misc: fastrpc: separate fastrpc device from channel context
  dt-bindings: nvmem: brcm,nvram: add basic NVMEM cells
  dt-bindings: nvmem: make "reg" property optional
  nvmem: brcm_nvram: parse NVRAM content into NVMEM cells
  nvmem: dt-bindings: Fix the error of dt-bindings check
  ...
2022-03-28 12:27:35 -07:00
Linus Torvalds
ff61bc81b3 Pin control bulk changes for the v5.18 kernel cycle
No core changes this time. Just new driver code and improvements!
 
 New drivers:
 
 - New driver for the Broadcom BCM4908 SoC.
 
 - New subdriver for Tesla FSD (Full Self Driving) SoC, a
   derivative of the Samsung Exynos pin control driver.
 
 - New driver for the Amlogic Meson S4 SoC.
 
 - New driver for the Sunplus SP7021 SoC.
 
 - New driver for the Microsemi Ocelot family ServalT SoC.
 
 - New subdriver for Intel Alder Lake-M SoC.
 
 - New subdriver for Intel Ice Lake-N SoC, including PCH support.
 
 - New subdriver for Renesas R8A779F0 SoC.
 
 - New subdriver for Mediatek MT8186 SoC.
 
 - New subdriver for NXP Freescale i.MX93 SoC.
 
 - New driver for Nuvoton WPCM450 SoC.
 
 - New driver for Qualcomm SC8280XP SoC.
 
 Improvements:
 
 - Wakeup support on Samsung Exynos850 and ExynosAutov9.
 
 - Serious and voluminous maintenance cleanup and refactoring in
   the Renesas drivers. Mainly sharing similar data between the
   different SoC subdrivers.
 
 - Qualcomm SM8450 EGPIO support.
 
 - Drive strength support on the Mediatek MT8195.
 
 - Add some missing groups and functions to the Ralink RT2880.
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Merge tag 'pinctrl-v5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control updates from Linus Walleij:
 "No core changes this time. Just new driver code and improvements!

  New drivers:

   - New driver for the Broadcom BCM4908 SoC.

   - New subdriver for Tesla FSD (Full Self Driving) SoC, a derivative
     of the Samsung Exynos pin control driver.

   - New driver for the Amlogic Meson S4 SoC.

   - New driver for the Sunplus SP7021 SoC.

   - New driver for the Microsemi Ocelot family ServalT SoC.

   - New subdriver for Intel Alder Lake-M SoC.

   - New subdriver for Intel Ice Lake-N SoC, including PCH support.

   - New subdriver for Renesas R8A779F0 SoC.

   - New subdriver for Mediatek MT8186 SoC.

   - New subdriver for NXP Freescale i.MX93 SoC.

   - New driver for Nuvoton WPCM450 SoC.

   - New driver for Qualcomm SC8280XP SoC.

  Improvements:

   - Wakeup support on Samsung Exynos850 and ExynosAutov9.

   - Serious and voluminous maintenance cleanup and refactoring in the
     Renesas drivers. Mainly sharing similar data between the different
     SoC subdrivers.

   - Qualcomm SM8450 EGPIO support.

   - Drive strength support on the Mediatek MT8195.

   - Add some missing groups and functions to the Ralink RT2880"

* tag 'pinctrl-v5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (188 commits)
  pinctrl: mediatek: common-v1: fix semicolon.cocci warnings
  pinctrl: nuvoton: wpcm450: Fix build error without OF
  pinctrl: qcom-pmic-gpio: Add support for pm8450
  dt-bindings: pinctrl: aspeed: Update gfx node in example
  dt-bindings: pinctrl: rt2880: add missing pin groups and functions
  pinctrl: ingenic: Fix regmap on X series SoCs
  pinctrl: nuvoton: Fix return value check in wpcm450_gpio_register()
  pinctrl: nuvoton: wpcm450: off by one in wpcm450_gpio_register()
  pinctrl: nuvoton: wpcm450: select GENERIC_PINCTRL_GROUPS
  pinctrl: nuvoton: Fix sparse warning
  pinctrl: mediatek: mt8186: Account for probe refactoring
  pinctrl: mediatek: common-v1: Commonize spec_ies_smt_set callback
  pinctrl: mediatek: common-v1: Commonize spec_pupd callback
  pinctrl: mediatek: common-v1: Use common probe function
  pinctrl: mediatek: common-v1: Add common probe function
  pinctrl: mediatek: paris: Unify probe function by using OF match data
  pinctrl/rockchip: Add missing of_node_put() in rockchip_pinctrl_probe
  pinctrl: nomadik: Add missing of_node_put() in nmk_pinctrl_probe
  pinctrl: berlin: fix error return code of berlin_pinctrl_build_state()
  pinctrl: qcom: Introduce sc8280xp TLMM driver
  ...
2022-03-28 11:52:53 -07:00
Linus Torvalds
901c7280ca Reinstate some of "swiotlb: rework "fix info leak with DMA_FROM_DEVICE""
Halil Pasic points out [1] that the full revert of that commit (revert
in bddac7c1e0), and that a partial revert that only reverts the
problematic case, but still keeps some of the cleanups is probably
better.  

And that partial revert [2] had already been verified by Oleksandr
Natalenko to also fix the issue, I had just missed that in the long
discussion.

So let's reinstate the cleanups from commit aa6f8dcbab ("swiotlb:
rework "fix info leak with DMA_FROM_DEVICE""), and effectively only
revert the part that caused problems.

Link: https://lore.kernel.org/all/20220328013731.017ae3e3.pasic@linux.ibm.com/ [1]
Link: https://lore.kernel.org/all/20220324055732.GB12078@lst.de/ [2]
Link: https://lore.kernel.org/all/4386660.LvFx2qVVIh@natalenko.name/ [3]
Suggested-by: Halil Pasic <pasic@linux.ibm.com>
Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Cc: Christoph Hellwig" <hch@lst.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-03-28 11:37:05 -07:00
Linus Torvalds
50d602d81f - qcom: add support for MSM8976
- mtk: enable mt8186
 		add ADSP controller driver
 - ti: use poll mode during suspend
 - tegra: fix tx channel flush
 - imx: add i.MX8 SECO MU support
 		prepare for, and add iMX93 support
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Merge tag 'mailbox-v5.18' of git://git.linaro.org/landing-teams/working/fujitsu/integration

Pull mailbox updates from Jassi Brar:
 "qcom:
   - add support for MSM8976

  mtk:
   - enable mt8186
   - add ADSP controller driver

  ti:
   - use poll mode during suspend

  tegra:
   - fix tx channel flush

  imx:
   - add i.MX8 SECO MU support
   - prepare for, and add iMX93 support"

* tag 'mailbox-v5.18' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
  dt-bindings: mailbox: add definition for mt8186
  mailbox: ti-msgmgr: Operate mailbox in polled mode during system suspend
  mailbox: ti-msgmgr: Refactor message read during interrupt handler
  mailbox: imx: support i.MX93 S401 MU
  mailbox: imx: support dual interrupts
  mailbox: imx: extend irq to an array
  dt-bindings: mailbox: imx-mu: add i.MX93 S4 MU support
  dt-bindings: mailbox: imx-mu: add i.MX93 MU
  mailbox: imx: add i.MX8 SECO MU support
  mailbox: imx: introduce rxdb callback
  dt-bindings: mailbox: imx-mu: add i.MX8 SECO MU support
  mailbox: imx: enlarge timeout while reading/writing messages to SCFW
  mailbox: imx: fix crash in resume on i.mx8ulp
  mailbox: imx: fix wakeup failure from freeze mode
  mailbox: mediatek: add support for adsp mailbox controller
  dt-bindings: mailbox: mtk,adsp-mbox: add mtk adsp-mbox document
  mailbox: qcom-apcs-ipc: Add compatible for MSM8976 SoC
  dt-bindings: mailbox: Add compatible for the MSM8976
  mailbox: tegra-hsp: Flush whole channel
2022-03-27 14:21:57 -07:00
Linus Torvalds
dfb0a0b715 LED updates for 5.18-rc1. Nothing major here, there are two drivers
that need review and did not make it.
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Merge tag 'leds-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds

Pull LED updates from Pavel Machek:
 "Nothing major here, there are two drivers that need review and did not
  make it into this round"

* tag 'leds-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds:
  leds: pca955x: Allow zero LEDs to be specified
  leds: pca955x: Make the gpiochip always expose all pins
  leds: simatic-ipc-leds: Don't directly deref ioremap_resource() returned ptr
  leds: simatic-ipc-leds: Make simatic_ipc_led_mem_res static
  leds: lm3692x: Return 0 from remove callback
  leds: sgm3140: Add ocs,ocp8110 compatible
  dt-bindings: vendor-prefixes: Add ocs prefix
  dt-bindings: leds: common: fix unit address in max77693 example
2022-03-27 14:09:48 -07:00
Thanh Quan
7198d62c66 dt-bindings: watchdog: renesas-wdt: Document r8a779f0 support
Document support for the Watchdog Timer (WDT) Controller in the Renesas
R-Car S4-8 (R8A779F0) SoC.

Signed-off-by: Thanh Quan <thanh.quan.xn@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/cca61a83ae82ecf5c23eb28e30c39f2f661f0e02.1642525158.git.geert+renesas@glider.be
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2022-03-27 17:04:08 +02:00
Linus Torvalds
710f5d627a USB/Thunderbolt patches for 5.18-rc1
Here is the big set of USB and Thunderbolt changes for 5.18-rc1.
 
 Nothing major in here, just lots of little improvements and cleanups and
 new device support.  Highlights are:
 	- list iterator fixups for when we walk past the end of the list
 	  (a common problem that was cut/pasted in almost all USB gadget
 	  drivers)
 	- xen USB driver "hardening" for malicious hosts
 	- xhci driver updates and fixes for more hardware types
 	- xhci debug cable fixes to make it actually work again
 	- usb gadget audio driver improvements
 	- usb gadget storage fixes to work with OS-X
 	- lots of other small usb gadget fixes and updates
 	- USB DWC3 driver improvements for more hardware types
 	- Lots of other small USB driver improvements
 	- DTS updates for some USB platforms
 
 Note, the DTS updates will have a merge conflict in your tree.  The
 fixup should be simple, but if not, I can provide a merged tree if
 needed.
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB/Thunderbolt updates from Greg KH:
 "Here is the big set of USB and Thunderbolt changes for 5.18-rc1.

  Nothing major in here, just lots of little improvements and cleanups
  and new device support. Highlights are:

   - list iterator fixups for when we walk past the end of the list (a
     common problem that was cut/pasted in almost all USB gadget
     drivers)

   - xen USB driver "hardening" for malicious hosts

   - xhci driver updates and fixes for more hardware types

   - xhci debug cable fixes to make it actually work again

   - usb gadget audio driver improvements

   - usb gadget storage fixes to work with OS-X

   - lots of other small usb gadget fixes and updates

   - USB DWC3 driver improvements for more hardware types

   - Lots of other small USB driver improvements

   - DTS updates for some USB platforms

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

* tag 'usb-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (172 commits)
  usb: gadget: fsl_qe_udc: Add missing semicolon in qe_ep_dequeue()
  dt-bindings: usb: mtk-xhci: add compatible for mt8186
  usb: dwc3: Issue core soft reset before enabling run/stop
  usb: gadget: Makefile: remove ccflags-y
  USB: usb-storage: Fix use of bitfields for hardware data in ene_ub6250.c
  usb: gadget: eliminate anonymous module_init & module_exit
  usb: usbip: eliminate anonymous module_init & module_exit
  xen/usb: harden xen_hcd against malicious backends
  usb: dwc3: gadget: Wait for ep0 xfers to complete during dequeue
  usb: dwc3: gadget: move cmd_endtransfer to extra function
  usb: dwc3: gadget: ep_queue simplify isoc start condition
  xen/usb: don't use arbitrary_virt_to_machine()
  usb: isp1760: remove redundant max_packet() macro
  usb: oxu210hp-hcd: remove redundant call to max_packet() macro
  usb: common: usb-conn-gpio: Make VBUS supply completely optional
  USB: storage: ums-realtek: fix error code in rts51x_read_mem()
  usb: early: xhci-dbc: Fix xdbc number parsing
  usb: early: xhci-dbc: Remove duplicate keep parsing
  x86/tsc: Be consistent about use_tsc_delay()
  usb: gadget: udc: s3c2410: remove usage of list iterator past the loop body
  ...
2022-03-26 13:08:25 -07:00
Linus Torvalds
5627ecb837 Merge branch 'i2c/for-mergewindow' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:

 - tracepoints when Linux acts as an I2C client

 - added support for AMD PSP

 - whole subsystem now uses generic_handle_irq_safe()

 - piix4 driver gained MMIO access enabling so far missed controllers
   with AMD chipsets

 - a bulk of device driver updates, refactorization, and fixes.

* 'i2c/for-mergewindow' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (61 commits)
  i2c: mux: demux-pinctrl: do not deactivate a master that is not active
  i2c: meson: Fix wrong speed use from probe
  i2c: add tracepoints for I2C slave events
  i2c: designware: Remove code duplication
  i2c: cros-ec-tunnel: Fix syntax errors in comments
  MAINTAINERS: adjust XLP9XX I2C DRIVER after removing the devicetree binding
  i2c: designware: Mark dw_i2c_plat_{suspend,resume}() as __maybe_unused
  i2c: mediatek: Add i2c compatible for Mediatek MT8168
  dt-bindings: i2c: update bindings for MT8168 SoC
  i2c: mt65xx: Simplify with clk-bulk
  i2c: i801: Drop two outdated comments
  i2c: xiic: Make bus names unique
  i2c: i801: Add support for the Process Call command
  i2c: i801: Drop useless masking in i801_access
  i2c: tegra: Add SMBus block read function
  i2c: designware: Use the i2c_mark_adapter_suspended/resumed() helpers
  i2c: designware: Lock the adapter while setting the suspended flag
  i2c: mediatek: remove redundant null check
  i2c: mediatek: modify bus speed calculation formula
  i2c: designware: Fix improper usage of readl
  ...
2022-03-26 12:46:08 -07:00
Linus Torvalds
9bf3fc5007 Devicetree updates for v5.18:
- Add Krzysztof Kozlowski as co-maintainer for DT bindings providing
   much needed help.
 
 - DT schema validation now takes DTB files as input rather than
   intermediate YAML files. This decouples the validation from the source
   level syntax information. There's a bunch of schema fixes as a result
   of switching to DTB based validation which exposed some errors
   and incomplete schemas and examples.
 
 - Kbuild improvements to explicitly warn users running 'make
   dt_binding_check' on missing yamllint
 
 - Expand DT_SCHEMA_FILES kbuild variable to take just a partial filename
   or path instead of the full path to 1 file.
 
 - Convert various bindings to schema format: mscc,vsc7514-switch,
   multiple GNSS bindings, ahci-platform, i2c-at91, multiple UFS
   bindings, cortina,gemini-sata-bridge, cortina,gemini-ethernet, Atmel
   SHA, Atmel TDES, Atmel AES, armv7m-systick, Samsung Exynos display
   subsystem, nuvoton,npcm7xx-timer, samsung,s3c2410-i2c, zynqmp_dma,
   msm/mdp4, rda,8810pl-uart
 
 - New schemas for u-boot environment variable partition, TI clksel
 
 - New compatible strings for Renesas RZ/V2L SoC
 
 - Vendor prefixes for Xen, HPE, deprecated Synopsys, deprecated HiSilicon
 
 - Add/fix schemas for QEMU Arm 'virt' machine
 
 - Drop unused of_alias_get_alias_list() function
 
 - Add a script to check DT unittest EXPECT message output. Pass messages
   also now print by default at PR_INFO level to help test automation.
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Merge tag 'devicetree-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree updates from Rob Herring:

 - Add Krzysztof Kozlowski as co-maintainer for DT bindings providing
   much needed help.

 - DT schema validation now takes DTB files as input rather than
   intermediate YAML files. This decouples the validation from the
   source level syntax information. There's a bunch of schema fixes as a
   result of switching to DTB based validation which exposed some errors
   and incomplete schemas and examples.

 - Kbuild improvements to explicitly warn users running 'make
   dt_binding_check' on missing yamllint

 - Expand DT_SCHEMA_FILES kbuild variable to take just a partial
   filename or path instead of the full path to 1 file.

 - Convert various bindings to schema format: mscc,vsc7514-switch,
   multiple GNSS bindings, ahci-platform, i2c-at91, multiple UFS
   bindings, cortina,gemini-sata-bridge, cortina,gemini-ethernet, Atmel
   SHA, Atmel TDES, Atmel AES, armv7m-systick, Samsung Exynos display
   subsystem, nuvoton,npcm7xx-timer, samsung,s3c2410-i2c, zynqmp_dma,
   msm/mdp4, rda,8810pl-uart

 - New schemas for u-boot environment variable partition, TI clksel

 - New compatible strings for Renesas RZ/V2L SoC

 - Vendor prefixes for Xen, HPE, deprecated Synopsys, deprecated
   HiSilicon

 - Add/fix schemas for QEMU Arm 'virt' machine

 - Drop unused of_alias_get_alias_list() function

 - Add a script to check DT unittest EXPECT message output. Pass
   messages also now print by default at PR_INFO level to help test
   automation.

* tag 'devicetree-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (96 commits)
  dt-bindings: kbuild: Make DT_SCHEMA_LINT a recursive variable
  dt-bindings: nvmem: add U-Boot environment variables binding
  dt-bindings: ufs: qcom: Add SM6350 compatible string
  dt-bindings: dmaengine: sifive,fu540-c000: include generic schema
  dt-bindings: gpio: pca95xx: drop useless consumer example
  Revert "of: base: Introduce of_alias_get_alias_list() to check alias IDs"
  dt-bindings: virtio,mmio: Allow setting devices 'dma-coherent'
  dt-bindings: gnss: Add two more chips
  dt-bindings: gnss: Rewrite sirfstar binding in YAML
  dt-bindings: gnss: Modify u-blox to use common bindings
  dt-bindings: gnss: Rewrite common bindings in YAML
  dt-bindings: ata: ahci-platform: Add rk3568-dwc-ahci compatible
  dt-bindings: ata: ahci-platform: Add power-domains property
  dt-bindings: ata: ahci-platform: Convert DT bindings to yaml
  dt-bindings: kbuild: Use DTB files for validation
  dt-bindings: kbuild: Pass DT_SCHEMA_FILES to dt-validate
  dt-bindings: Add QEMU virt machine compatible
  dt-bindings: arm: Convert QEMU fw-cfg to DT schema
  dt-bindings: i2c: at91: Add SAMA7G5 compatible strings list
  dt-bindings: i2c: convert i2c-at91 to json-schema
  ...
2022-03-26 11:41:53 -07:00
Linus Torvalds
bddac7c1e0 Revert "swiotlb: rework "fix info leak with DMA_FROM_DEVICE""
This reverts commit aa6f8dcbab.

It turns out this breaks at least the ath9k wireless driver, and
possibly others.

What the ath9k driver does on packet receive is to set up the DMA
transfer with:

  int ath_rx_init(..)
  ..
                bf->bf_buf_addr = dma_map_single(sc->dev, skb->data,
                                                 common->rx_bufsize,
                                                 DMA_FROM_DEVICE);

and then the receive logic (through ath_rx_tasklet()) will fetch
incoming packets

  static bool ath_edma_get_buffers(..)
  ..
        dma_sync_single_for_cpu(sc->dev, bf->bf_buf_addr,
                                common->rx_bufsize, DMA_FROM_DEVICE);

        ret = ath9k_hw_process_rxdesc_edma(ah, rs, skb->data);
        if (ret == -EINPROGRESS) {
                /*let device gain the buffer again*/
                dma_sync_single_for_device(sc->dev, bf->bf_buf_addr,
                                common->rx_bufsize, DMA_FROM_DEVICE);
                return false;
        }

and it's worth noting how that first DMA sync:

    dma_sync_single_for_cpu(..DMA_FROM_DEVICE);

is there to make sure the CPU can read the DMA buffer (possibly by
copying it from the bounce buffer area, or by doing some cache flush).
The iommu correctly turns that into a "copy from bounce bufer" so that
the driver can look at the state of the packets.

In the meantime, the device may continue to write to the DMA buffer, but
we at least have a snapshot of the state due to that first DMA sync.

But that _second_ DMA sync:

    dma_sync_single_for_device(..DMA_FROM_DEVICE);

is telling the DMA mapping that the CPU wasn't interested in the area
because the packet wasn't there.  In the case of a DMA bounce buffer,
that is a no-op.

Note how it's not a sync for the CPU (the "for_device()" part), and it's
not a sync for data written by the CPU (the "DMA_FROM_DEVICE" part).

Or rather, it _should_ be a no-op.  That's what commit aa6f8dcbab
broke: it made the code bounce the buffer unconditionally, and changed
the DMA_FROM_DEVICE to just unconditionally and illogically be
DMA_TO_DEVICE.

[ Side note: purely within the confines of the swiotlb driver it wasn't
  entirely illogical: The reason it did that odd DMA_FROM_DEVICE ->
  DMA_TO_DEVICE conversion thing is because inside the swiotlb driver,
  it uses just a swiotlb_bounce() helper that doesn't care about the
  whole distinction of who the sync is for - only which direction to
  bounce.

  So it took the "sync for device" to mean that the CPU must have been
  the one writing, and thought it meant DMA_TO_DEVICE. ]

Also note how the commentary in that commit was wrong, probably due to
that whole confusion, claiming that the commit makes the swiotlb code

                                  "bounce unconditionally (that is, also
    when dir == DMA_TO_DEVICE) in order do avoid synchronising back stale
    data from the swiotlb buffer"

which is nonsensical for two reasons:

 - that "also when dir == DMA_TO_DEVICE" is nonsensical, as that was
   exactly when it always did - and should do - the bounce.

 - since this is a sync for the device (not for the CPU), we're clearly
   fundamentally not coping back stale data from the bounce buffers at
   all, because we'd be copying *to* the bounce buffers.

So that commit was just very confused.  It confused the direction of the
synchronization (to the device, not the cpu) with the direction of the
DMA (from the device).

Reported-and-bisected-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Reported-by: Olha Cherevyk <olha.cherevyk@gmail.com>
Cc: Halil Pasic <pasic@linux.ibm.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Kalle Valo <kvalo@kernel.org>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Toke Høiland-Jørgensen <toke@toke.dk>
Cc: Maxime Bizon <mbizon@freebox.fr>
Cc: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-03-26 10:42:04 -07:00
Linus Torvalds
52d543b549 Minor fixes for IPMI
Little fixes for various things people have noticed.
 
 One enhancement, the IPMI over IPMB (I2c) is modified to allow it to
 take a separate sender and receiver device.  The Raspberry Pi has an
 I2C slave device that cannot send.
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Merge tag 'for-linus-5.17-1' of https://github.com/cminyard/linux-ipmi

Pull IPMI updates from Corey Minyard:

 - Little fixes for various things people have noticed.

 - One enhancement, the IPMI over IPMB (I2c) is modified to allow it to
   take a separate sender and receiver device. The Raspberry Pi has an
   I2C slave device that cannot send.

* tag 'for-linus-5.17-1' of https://github.com/cminyard/linux-ipmi:
  ipmi: initialize len variable
  ipmi: kcs: aspeed: Remove old bindings support
  ipmi:ipmb: Add the ability to have a separate slave and master device
  ipmi:ipmi_ipmb: Unregister the SMI on remove
  ipmi: kcs: aspeed: Add AST2600 compatible string
  ipmi: ssif: replace strlcpy with strscpy
  ipmi/watchdog: Constify ident
  ipmi: Add the git repository to the MAINTAINERS file
2022-03-25 17:46:22 -07:00
Linus Torvalds
46f538bf24 - New Device Support
- Add support for PM6150L to Qualcomm WLED
 
  - Fix-ups
    - Use kcalloc() to avoid open-coding; pwm_bl
    - Device Tree changes (inc. YAML conversion); qcom-wled
    - Cleanup or simplify code; backlight
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Merge tag 'backlight-next-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight

Pull backlight updates from Lee Jones:
 "New Device Support:
   - Add support for PM6150L to Qualcomm WLED

  Fix-ups"
   - Use kcalloc() to avoid open-coding; pwm_bl
   - Device Tree changes; qcom-wled
   - Cleanup or simplify code; backlight"

* tag 'backlight-next-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
  backlight: backlight: Slighly simplify devm_of_find_backlight()
  backlight: qcom-wled: Add PM6150L compatible
  dt-bindings: backlight: qcom-wled: Add PM6150L compatible
  backlight: pwm_bl: Avoid open coded arithmetic in memory allocation
2022-03-25 14:01:23 -07:00
Linus Torvalds
8350e8331b - New Drivers
- Add support for Maxim MAX77714 PMIC
 
  - Remove Drivers
    - Remove support for ST-Ericsson AB8500 DebugFS
 
  - New Device Support
    - Add support for Silergy SY7636A to Simple MFD I2C
    - Add support for MediaTek MT6366 PMIC to MT6358 IRQ
    - Add support for Charger to Intel PMIC CRC
    - Add support for Raptor Lake to Intel LPSS PCI
 
  - New Functionality
    - Add support for Reboot to Rockchip RK808
 
  - Fix-ups
    - Device Tree changes (inc. YAML conversion); silergy,sy7636a, maxim,max77843,
                                   google,cros-ec, maxim,max14577, maxim,max77802,
 				  maxim,max77714, qcom,tcsr, qcom,spmi-pmic,
 				  stericsson,ab8500, stericsson,db8500-prcmu,
 				  samsung,exynos5433-lpass, mt6397, syscon, brcm,cru
    - Visible to menuconfig; simple-mfd-i2c
    - Clean-up or clarify code; max77686, intel_soc_pmic_crc
    - Improve error handling; mc13xxx-core, stmfx, asic3
    - Pass device information to child devices; iqs62x, intel-lpss-acpi
    - Individually identify IRQ domains; intel_soc_pmic_core
    - Remove superfluous code; dbx500-prcmu, exynos-lpass
    - Staticify and constify; arizona-i2c
    - Mark sometimes used data as __maybe_unused; atmel-flexcom
    - Account for different ACPI tables on AOSP/Windows platforms; arizona-spi
    - Use provided (platform) APIs; ab8500-core
    - Trivial (whitespace, spelling); rohm-bd9576
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Merge tag 'mfd-next-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "New Drivers:
   - Add support for Maxim MAX77714 PMIC

  Removed Drivers:
   - Remove support for ST-Ericsson AB8500 DebugFS

  New Device Support:
   - Add support for Silergy SY7636A to Simple MFD I2C
   - Add support for MediaTek MT6366 PMIC to MT6358 IRQ
   - Add support for Charger to Intel PMIC CRC
   - Add support for Raptor Lake to Intel LPSS PCI

  New Functionality:
   - Add support for Reboot to Rockchip RK808

  Fix-ups:
   - Device Tree changes (includcing YAML conversion) for
     silergy,sy7636a, maxim,max77843, google,cros-ec, maxim,max14577,
     maxim,max77802, maxim,max77714, qcom,tcsr, qcom,spmi-pmic,
     stericsson,ab8500, stericsson,db8500-prcmu,
     samsung,exynos5433-lpass, mt6397, syscon, brcm,cru
   - Visible to menuconfig; simple-mfd-i2c
   - Clean-up or clarify code; max77686, intel_soc_pmic_crc
   - Improve error handling; mc13xxx-core, stmfx, asic3
   - Pass device information to child devices; iqs62x, intel-lpss-acpi
   - Individually identify IRQ domains; intel_soc_pmic_core
   - Remove superfluous code; dbx500-prcmu, exynos-lpass
   - Staticify and constify; arizona-i2c
   - Mark sometimes used data as __maybe_unused; atmel-flexcom
   - Account for different ACPI tables on AOSP/Windows platforms; arizona-spi
   - Use provided (platform) APIs; ab8500-core
   - Trivial (whitespace, spelling); rohm-bd9576"

* tag 'mfd-next-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (50 commits)
  dt-bindings: mfd: syscon: Add microchip,lan966x-cpu-syscon compatible
  mfd: bd9576: fix typos in comments
  mfd: Use platform_get_irq() to get the interrupt
  mfd: db8500-prcmu: Remove unused inline function
  mfd: arizona-spi: Add Android board ACPI table handling
  mfd: arizona-spi: Split Windows ACPI init code into its own function
  mfd: asic3: Add missing iounmap() on error asic3_mfd_probe
  MAINTAINERS: Rectify entry for ROHM MULTIFUNCTION BD9571MWV-M PMIC DEVICE DRIVERS
  mfd: intel-lpss: Provide an SSP type to the driver
  dt-bindings: mfd: brcm,cru: Rename pinctrl node
  dt-bindings: Add compatibles for undocumented trivial syscons
  mfd: atmel-flexcom: Fix compilation warning
  dt-bindings: mfd: Add compatible for the MediaTek MT6366 PMIC
  dt-bindings: mfd: samsung,exynos5433-lpass: Convert to dtschema
  mfd: exynos-lpass: Drop unneeded syscon.h include
  mfd: intel-lpss: Add Intel Raptor Lake PCH-S PCI IDs
  mfd: ab8500: Drop debugfs module
  mfd: sta2x11: Use GFP_KERNEL instead of GFP_ATOMIC
  mfd: ab8500: Rewrite bindings in YAML
  mfd: qcom-spmi-pmic: Add pm8953 compatible
  ...
2022-03-25 13:56:18 -07:00
Linus Torvalds
e35a4a4e13 Core MTD changes:
* Replace the expert mode symbols with a single helper
 * Fix misuses of of_match_ptr()
 * Remove partid and partname debugfs files
 * tests: Fix eraseblock read speed miscalculation for lower partition sizes
 * TRX parser: Allow to use on MediaTek MIPS SoCs
 
 MTD driver changes:
 * spear_smi: use GFP_KERNEL
 * mchp48l640: Add SPI ID table
 * mchp23k256: Add SPI ID table
 * blkdevs: Avoid soft lockups with some mtd/spi devices
 * aspeed-smc: Improve probe resilience
 
 Hyperbus changes:
 * HBMC_AM654 should depend on ARCH_K3
 
 NAND core changes:
 * ECC:
   - Add infrastructure to support hardware engines
   - Add a new helper to retrieve the ECC context
   - Provide a helper to retrieve a pilelined engine device
 
 NAND-ECC changes:
 * Macronix ECC engine:
   - Add Macronix external ECC engine support
   - Support SPI pipelined mode
   - Make two read-only arrays static const
   - Fix compile test issue
 
 Raw NAND core changes:
 * Fix misuses of of_match_node()
 * Rework of_get_nand_bus_width()
 * Remove of_get_nand_on_flash_bbt() wrapper
 * Protect access to rawnand devices while in suspend
 * bindings: Document the wp-gpios property
 
 Rax NAND controller driver changes:
 * atmel: Fix refcount issue in atmel_nand_controller_init
 * nandsim:
   - Add NS_PAGE_BYTE_SHIFT macro to replace the repeat pattern
   - Merge repeat codes in ns_switch_state
   - Replace overflow check with kzalloc to single kcalloc
 * rockchip: Fix platform_get_irq.cocci warning
 * stm32_fmc2: Add NAND Write Protect support
 * pl353: Set the nand chip node as the flash node
 * brcmnand: Fix sparse warnings in bcma_nand
 * omap_elm: Remove redundant variable 'errors'
 * gpmi:
   - Support fast edo timings for mx28
   - Validate controller clock rate
   - Fix controller timings setting
 * brcmnand:
   - Add BCMA shim
   - BCMA controller uses command shift of 0
   - Allow platform data instantation
   - Add platform data structure for BCMA
   - Allow working without interrupts
   - Move OF operations out of brcmnand_init_cs()
   - Avoid pdev in brcmnand_init_cs()
   - Allow SoC to provide I/O operations
   - Assign soc as early as possible
 
 Onenand changes:
 * Check for error irq
 
 SPI-NAND core changes:
 * Delay a little bit the dirmap creation
 * Create direct mapping descriptors for ECC operations
 
 SPI-NAND driver changes:
 * macronix: Use random program load
 
 SPI NOR core changes:
 * Move vendor specific code out of the core into vendor drivers.
 * Unify all function and object names in the vendor modules.
 * Make setup() callback optional to improve readability.
 * Skip erase logic when the SPI_NOR_NO_ERASE flag is set at flash
   declaration.
 
 SPI changes:
 * Macronix SPI controller:
   - Fix the transmit path
   - Create a helper to configure the controller before an operation
   - Create a helper to ease the start of an operation
   - Add support for direct mapping
   - Add support for pipelined ECC operations
 * spi-mem:
   - Introduce a capability structure
   - Check the controller extra capabilities
   - cadence-quadspi/mxic: Provide capability structures
   - Kill the spi_mem_dtr_supports_op() helper
   - Add an ecc parameter to the spi_mem_op structure
 
 Binding changes:
 * Dropped mtd/cortina,gemini-flash.txt
 * Convert BCM47xx partitions to json-schema
 * Vendor prefixes: Clarify Macronix prefix
 * SPI NAND: Convert spi-nand description file to yaml
 * Raw NAND chip: Create a NAND chip description
 * Raw NAND controller:
   - Harmonize the property types
   - Fix a comment in the examples
   - Fix the reg property description
 * Describe Macronix NAND ECC engine
 * Macronix SPI controller:
   - Document the nand-ecc-engine property
   - Convert to yaml
   - The interrupt property is not mandatory
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Merge tag 'mtd/changes-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux

Pull MTD updates from Miquel Raynal:
 "There has been a lot of activity in the MTD subsystem recently, with a
  number of SPI-NOR cleanups as well as the introduction of ECC engines
  that can be used by SPI controllers (hence a few SPI patches in here).

  Core MTD changes:
   - Replace the expert mode symbols with a single helper
   - Fix misuses of of_match_ptr()
   - Remove partid and partname debugfs files
   - tests: Fix eraseblock read speed miscalculation for lower partition
     sizes
   - TRX parser: Allow to use on MediaTek MIPS SoCs

  MTD driver changes:
   - spear_smi: use GFP_KERNEL
   - mchp48l640: Add SPI ID table
   - mchp23k256: Add SPI ID table
   - blkdevs: Avoid soft lockups with some mtd/spi devices
   - aspeed-smc: Improve probe resilience

  Hyperbus changes:
   - HBMC_AM654 should depend on ARCH_K3

  NAND core changes:
   - ECC:
      - Add infrastructure to support hardware engines
      - Add a new helper to retrieve the ECC context
      - Provide a helper to retrieve a pilelined engine device

  NAND-ECC changes:
   - Macronix ECC engine:
      - Add Macronix external ECC engine support
      - Support SPI pipelined mode
      - Make two read-only arrays static const
      - Fix compile test issue

  Raw NAND core changes:
   - Fix misuses of of_match_node()
   - Rework of_get_nand_bus_width()
   - Remove of_get_nand_on_flash_bbt() wrapper
   - Protect access to rawnand devices while in suspend
   - bindings: Document the wp-gpios property

  Rax NAND controller driver changes:
   - atmel: Fix refcount issue in atmel_nand_controller_init
   - nandsim:
      - Add NS_PAGE_BYTE_SHIFT macro to replace the repeat pattern
      - Merge repeat codes in ns_switch_state
      - Replace overflow check with kzalloc to single kcalloc
   - rockchip: Fix platform_get_irq.cocci warning
   - stm32_fmc2: Add NAND Write Protect support
   - pl353: Set the nand chip node as the flash node
   - brcmnand: Fix sparse warnings in bcma_nand
   - omap_elm: Remove redundant variable 'errors'
   - gpmi:
      - Support fast edo timings for mx28
      - Validate controller clock rate
      - Fix controller timings setting
   - brcmnand:
      - Add BCMA shim
      - BCMA controller uses command shift of 0
      - Allow platform data instantation
      - Add platform data structure for BCMA
      - Allow working without interrupts
      - Move OF operations out of brcmnand_init_cs()
      - Avoid pdev in brcmnand_init_cs()
      - Allow SoC to provide I/O operations
      - Assign soc as early as possible

  Onenand changes:
   - Check for error irq

  SPI-NAND core changes:
   - Delay a little bit the dirmap creation
   - Create direct mapping descriptors for ECC operations

  SPI-NAND driver changes:
   - macronix: Use random program load

  SPI NOR core changes:
   - Move vendor specific code out of the core into vendor drivers.
   - Unify all function and object names in the vendor modules.
   - Make setup() callback optional to improve readability.
   - Skip erase logic when the SPI_NOR_NO_ERASE flag is set at flash
     declaration.

  SPI changes:
   - Macronix SPI controller:
      - Fix the transmit path
      - Create a helper to configure the controller before an operation
      - Create a helper to ease the start of an operation
      - Add support for direct mapping
      - Add support for pipelined ECC operations
   - spi-mem:
      - Introduce a capability structure
      - Check the controller extra capabilities
      - cadence-quadspi/mxic: Provide capability structures
      - Kill the spi_mem_dtr_supports_op() helper
      - Add an ecc parameter to the spi_mem_op structure

  Binding changes:
   - Dropped mtd/cortina,gemini-flash.txt
   - Convert BCM47xx partitions to json-schema
   - Vendor prefixes: Clarify Macronix prefix
   - SPI NAND: Convert spi-nand description file to yaml
   - Raw NAND chip: Create a NAND chip description
   - Raw NAND controller:
      - Harmonize the property types
      - Fix a comment in the examples
      - Fix the reg property description
   - Describe Macronix NAND ECC engine
   - Macronix SPI controller:
      - Document the nand-ecc-engine property
      - Convert to yaml
      - The interrupt property is not mandatory"

* tag 'mtd/changes-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (104 commits)
  mtd: nand: ecc: mxic: Fix compile test issue
  mtd: nand: mxic-ecc: make two read-only arrays static const
  mtd: hyperbus: HBMC_AM654 should depend on ARCH_K3
  mtd: core: Remove partid and partname debugfs files
  dt-bindings: mtd: partitions: convert BCM47xx to the json-schema
  mtd: tests: Fix eraseblock read speed miscalculation for lower partition sizes
  mtd: rawnand: atmel: fix refcount issue in atmel_nand_controller_init
  mtd: rawnand: rockchip: fix platform_get_irq.cocci warning
  mtd: spi-nor: Skip erase logic when SPI_NOR_NO_ERASE is set
  mtd: spi-nor: renumber flags
  mtd: spi-nor: slightly change code style in spi_nor_sr_ready()
  mtd: spi-nor: spansion: rename vendor specific functions and defines
  mtd: spi-nor: spansion: convert USE_CLSR to a manufacturer flag
  mtd: spi-nor: move all spansion specifics into spansion.c
  mtd: spi-nor: spansion: slightly rework control flow in late_init()
  mtd: spi-nor: micron-st: rename vendor specific functions and defines
  mtd: spi-nor: micron-st: convert USE_FSR to a manufacturer flag
  mtd: spi-nor: move all micron-st specifics into micron-st.c
  mtd: spi-nor: xilinx: correct the debug message
  mtd: spi-nor: xilinx: rename vendor specific functions and defines
  ...
2022-03-25 13:35:34 -07:00
Linus Torvalds
8eb48fc7c5 power supply and reset changes for the v5.18 series
power-supply core:
  - Introduce "Bypass" charging type used by USB PPS standard
  - Refactor power_supply_set_input_current_limit_from_supplier()
  - Add fwnode support to power_supply_get_battery_info()
 
 Drivers:
  - ab8500: continue migrating towards using standard core APIs
  - axp288 fuel-gauge: refactor driver to be fully resource managed
  - battery-samsung-sdi: new in-kernel provider for (constant) Samsung battery info
  - bq24190: disable boost regulator on shutdown
  - bq24190: add support for battery-info on ACPI based systems
  - bq25890: prepare driver for usage on ACPI based systems
  - bq25890: add boost regulator support
  - cpcap-battery: add NVMEM based battery detection support
  - injoinic ip5xxx: new driver for power bank IC
  - upi ug3105: new battery driver
  - misc. small improvements and fixes
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Merge tag 'for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:
 "Power-supply core:

   - Introduce "Bypass" charging type used by USB PPS standard

   - Refactor power_supply_set_input_current_limit_from_supplier()

   - Add fwnode support to power_supply_get_battery_info()

  Drivers:

   - ab8500: continue migrating towards using standard core APIs

   - axp288 fuel-gauge: refactor driver to be fully resource managed

   - battery-samsung-sdi: new in-kernel provider for (constant) Samsung
     battery info

   - bq24190: disable boost regulator on shutdown

   - bq24190: add support for battery-info on ACPI based systems

   - bq25890: prepare driver for usage on ACPI based systems

   - bq25890: add boost regulator support

   - cpcap-battery: add NVMEM based battery detection support

   - injoinic ip5xxx: new driver for power bank IC

   - upi ug3105: new battery driver

   - misc small improvements and fixes"

* tag 'for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (94 commits)
  power: ab8500_chargalg: Use CLOCK_MONOTONIC
  power: supply: Add a driver for Injoinic power bank ICs
  dt-bindings: trivial-devices: Add Injoinic power bank ICs
  dt-bindings: vendor-prefixes: Add Injoinic
  power: supply: ab8500: Remove unused variable
  power: supply: da9150-fg: Remove unnecessary print function dev_err()
  power: supply: ab8500: fix a handful of spelling mistakes
  power: supply: ab8500_fg: Account for line impedance
  dt-bindings: power: supply: ab8500_fg: Add line impedance
  power: supply: axp20x_usb_power: fix platform_get_irq.cocci warnings
  power: supply: axp20x_ac_power: fix platform_get_irq.cocci warning
  power: supply: wm8350-power: Add missing free in free_charger_irq
  power: supply: wm8350-power: Handle error for wm8350_register_irq
  power: supply: Static data for Samsung batteries
  power: supply: ab8500_fg: Use VBAT-to-Ri if possible
  power: supply: Support VBAT-to-Ri lookup tables
  power: supply: ab8500: Standardize BTI resistance
  power: supply: ab8500: Standardize alert mode charging
  power: supply: ab8500: Standardize maintenance charging
  power: supply: bq24190_charger: Delay applying charge_type changes when OTG 5V Vbus boost is on
  ...
2022-03-25 13:31:02 -07:00
Linus Torvalds
148a650476 pci-v5.18-changes
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Merge tag 'pci-v5.18-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull pci updates from Bjorn Helgaas:
 "Enumeration:
   - Move the VGA arbiter from drivers/gpu to drivers/pci because it's
     PCI-specific, not GPU-specific (Bjorn Helgaas)
   - Select the default VGA device consistently whether it's enumerated
     before or after VGA arbiter init, which fixes arches that enumerate
     PCI devices late (Huacai Chen)

  Resource management:
   - Support BAR sizes up to 8TB (Dongdong Liu)

  PCIe native device hotplug:
   - Fix "Command Completed" tracking to avoid spurious timouts when
     powering off empty slots (Liguang Zhang)
   - Quirk Qualcomm devices that don't implement Command Completed
     correctly, again to avoid spurious timeouts (Manivannan Sadhasivam)

  Peer-to-peer DMA:
   - Add Intel 3rd Gen Intel Xeon Scalable Processors to whitelist
     (Michael J. Ruhl)

  APM X-Gene PCIe controller driver:
   - Revert generic DT parsing changes that broke some machines in the
     field (Marc Zyngier)

  Freescale i.MX6 PCIe controller driver:
   - Allow controller probe to succeed even when no devices currently
     present to allow hot-add later (Fabio Estevam)
   - Enable power management on i.MX6QP (Richard Zhu)
   - Assert CLKREQ# on i.MX8MM so enumeration doesn't hang when no
     device is connected (Richard Zhu)

  Marvell Aardvark PCIe controller driver:
   - Fix MSI and MSI-X support (Marek Behún, Pali Rohár)
   - Add support for ERR and PME interrupts (Pali Rohár)

  Marvell MVEBU PCIe controller driver:
   - Add DT binding and support for "num-lanes" (Pali Rohár)
   - Add support for INTx interrupts (Pali Rohár)

  Microsoft Hyper-V host bridge driver:
   - Avoid unnecessary hypercalls when unmasking IRQs on ARM64 (Boqun
     Feng)

  Qualcomm PCIe controller driver:
   - Add SM8450 DT binding and driver support (Dmitry Baryshkov)

  Renesas R-Car PCIe controller driver:
   - Help the controller get to the L1 state since the hardware can't do
     it on its own (Marek Vasut)
   - Return PCI_ERROR_RESPONSE (~0) for reads that fail on PCIe (Marek
     Vasut)

  SiFive FU740 PCIe controller driver:
   - Drop redundant '-gpios' from DT GPIO lookup (Ben Dooks)
   - Force 2.5GT/s for initial device probe (Ben Dooks)

  Socionext UniPhier Pro5 controller driver:
   - Add NX1 DT binding and driver support (Kunihiko Hayashi)

  Synopsys DesignWare PCIe controller driver:
   - Restore MSI configuration so MSI works after resume (Jisheng
     Zhang)"

* tag 'pci-v5.18-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (94 commits)
  x86/PCI: Add #includes to asm/pci_x86.h
  PCI: ibmphp: Remove unused assignments
  PCI: cpqphp: Remove unused assignments
  PCI: fu740: Remove unused assignments
  PCI: kirin: Remove unused assignments
  PCI: Remove unused assignments
  PCI: Declare pci_filp_private only when HAVE_PCI_MMAP
  PCI: Avoid broken MSI on SB600 USB devices
  PCI: fu740: Force 2.5GT/s for initial device probe
  PCI: xgene: Revert "PCI: xgene: Fix IB window setup"
  PCI: xgene: Revert "PCI: xgene: Use inbound resources for setup"
  PCI: imx6: Assert i.MX8MM CLKREQ# even if no device present
  PCI: imx6: Invoke the PHY exit function after PHY power off
  PCI: rcar: Use PCI_SET_ERROR_RESPONSE after read which triggered an exception
  PCI: rcar: Finish transition to L1 state in rcar_pcie_config_access()
  PCI: dwc: Restore MSI Receiver mask during resume
  PCI: fu740: Drop redundant '-gpios' from DT GPIO lookup
  PCI/VGA: Replace full MIT license text with SPDX identifier
  PCI/VGA: Use unsigned format string to print lock counts
  PCI/VGA: Log bridge control messages when adding devices
  ...
2022-03-25 13:02:05 -07:00
Linus Torvalds
636f64db07 - More noinstr fixes
- Add an erratum workaround for Intel CPUs which, in certain
 circumstances, end up consuming an unrelated uncorrectable memory error
 when using fast string copy insns
 
 - Remove the MCE tolerance level control as it is not really needed or
 used anymore
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Merge tag 'ras_core_for_v5.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull RAS updates from Borislav Petkov:

 - More noinstr fixes

 - Add an erratum workaround for Intel CPUs which, in certain
   circumstances, end up consuming an unrelated uncorrectable memory
   error when using fast string copy insns

 - Remove the MCE tolerance level control as it is not really needed or
   used anymore

* tag 'ras_core_for_v5.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/mce: Remove the tolerance level control
  x86/mce: Work around an erratum on fast string copy instructions
  x86/mce: Use arch atomic and bit helpers
2022-03-25 12:34:53 -07:00
Guilherme G. Piccoli
8d6451b9a5 Documentation: Fix duplicate statement about raw_spinlock_t type
Unless it was duplicate on purpose, to emphasize that a raw_spinlock_t
is always a spinning lock regardless of PREEMPT_RT or kernel config,
it's a bit odd that this text is duplicate. So, this patch just clean
it up, keeping the consistency with the other sections of the text.

Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: 919e9e6395 ("Documentation: Add lock ordering and nesting documentation")
Signed-off-by: Guilherme G. Piccoli <gpiccoli@igalia.com>
Link: https://lore.kernel.org/r/20220321144133.49804-1-gpiccoli@igalia.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-03-25 13:30:08 -06:00
Linus Torvalds
ebcb577aee gpio updates for v5.18-rc1
- new driver: gpio-en7523
 - dt-bindings: convertion of faraday,ftgpio010 to YAML, new compatible string
   in gpio-vf610 and a bugfix in an example
 - gpiolib core: several improvements and some code shrink
 - documentation: convert all public docs into kerneldoc format
 - set IRQ bus token in gpio-crystalcove (addresses a debugfs issue)
 - add a missing return value check for kstrdup() in gpio-merrifield
 - allow gpio-tps68470 to be built as module
 - more work on limiting usage of of_node in GPIO drivers
 - several sysfs interface improvements
 - use SDPX in gpio-ts4900
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Merge tag 'gpio-updates-for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio updates from Bartosz Golaszewski:
 "Relatively few updates for this release cycle. We have a single new
  driver and some minor changes in drivers, more work on limiting the
  usage of of_node in drivers and DT updates:

   - new driver: gpio-en7523

   - dt-bindings: convertion of faraday,ftgpio010 to YAML, new
     compatible string in gpio-vf610 and a bugfix in an example

   - gpiolib core: several improvements and some code shrink

   - documentation: convert all public docs into kerneldoc format

   - set IRQ bus token in gpio-crystalcove (addresses a debugfs issue)

   - add a missing return value check for kstrdup() in gpio-merrifield

   - allow gpio-tps68470 to be built as module

   - more work on limiting usage of of_node in GPIO drivers

   - several sysfs interface improvements

   - use SDPX in gpio-ts4900"

* tag 'gpio-updates-for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  gpio: ts4900: Use SPDX header
  gpiolib: Use list_first_entry()/list_last_entry()
  gpiolib: sysfs: Simplify edge handling in the code
  gpiolib: sysfs: Move kstrtox() calls outside of the mutex lock
  gpiolib: sysfs: Move sysfs_emit() calls outside of the mutex lock
  gpiolib: make struct comments into real kernel docs
  dt-bindings: gpio: convert faraday,ftgpio01 to yaml
  dt-bindings: gpio: gpio-vf610: Add imx93 compatible string
  gpiolib: Simplify error path in gpiod_get_index() when requesting GPIO
  gpiolib: Use short form of ternary operator in gpiod_get_index()
  gpiolib: Introduce for_each_gpio_desc_with_flag() macro
  gpio: Add support for Airoha EN7523 GPIO controller
  dt-bindings: arm: airoha: Add binding for Airoha GPIO controller
  dt-bindings: gpio: fix gpio-hog example
  gpio: tps68470: Allow building as module
  gpio: tegra: Get rid of duplicate of_node assignment
  gpio: altera-a10sr: Switch to use fwnode instead of of_node
  gpio: merrifield: check the return value of devm_kstrdup()
  gpio: crystalcove: Set IRQ domain bus token to DOMAIN_BUS_WIRED
2022-03-25 12:28:23 -07:00
Linus Torvalds
5e206459f6 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID updates from Jiri Kosina:

 - rework of generic input handling which ultimately makes the
   processing of tablet events more generic and reliable (Benjamin
   Tissoires)

 - fixes for handling unnumbered reports fully correctly in i2c-hid
   (Angela Czubak, Dmitry Torokhov)

 - untangling of intermingled code for sending and handling output
   reports in i2c-hid (Dmitry Torokhov)

 - Apple magic keyboard support improvements for newer models (José
   Expósito)

 - Apple T2 Macs support improvements (Aun-Ali Zaidi, Paul Pawlowski)

 - driver for Razer Blackwidow keyboards (Jelle van der Waa)

 - driver for SiGma Micro keyboards (Desmond Lim)

 - integration of first part of DIGImend patches in order to ultimately
   vastly improve Linux support of tablets (Nikolai Kondrashov, José
   Expósito)

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (55 commits)
  HID: intel-ish-hid: Use dma_alloc_coherent for firmware update
  Input: docs: add more details on the use of BTN_TOOL
  HID: input: accommodate priorities for slotted devices
  HID: input: remove the need for HID_QUIRK_INVERT
  HID: input: enforce Invert usage to be processed before InRange
  HID: core: for input reports, process the usages by priority list
  HID: compute an ordered list of input fields to process
  HID: input: move up out-of-range processing of input values
  HID: input: rework spaghetti code with switch statements
  HID: input: tag touchscreens as such if the physical is not there
  HID: core: split data fetching from processing in hid_input_field()
  HID: core: de-duplicate some code in hid_input_field()
  HID: core: statically allocate read buffers
  HID: uclogic: Support multiple frame input devices
  HID: uclogic: Define report IDs before their descriptors
  HID: uclogic: Put version first in rdesc namespace
  HID: uclogic: Use "frame" instead of "buttonpad"
  HID: uclogic: Use different constants for frame report IDs
  HID: uclogic: Specify total report size to buttonpad macro
  HID: uclogic: Switch to matching subreport bytes
  ...
2022-03-25 12:22:16 -07:00
Linus Torvalds
1464677662 platform-drivers-x86 for v5.18-1
Highlights:
 - new drivers:
   - AMD Host System Management Port (HSMP)
   - Intel Software Defined Silicon
 - removed drivers (functionality folded into other drivers):
   - intel_cht_int33fe_microb
   - surface3_button
 - amd-pmc:
   - s2idle bug-fixes
   - Support for AMD Spill to DRAM STB feature
 - hp-wmi:
   - Fix SW_TABLET_MODE detection method (and other fixes)
   - Support omen thermal profile policy v1
 - serial-multi-instantiate:
   - Add SPI device support
   - Add support for CS35L41 amplifiers used in new laptops
 - think-lmi:
   - syfs-class-firmware-attributes Certificate authentication support
 - thinkpad_acpi:
   - Fixes + quirks
   - Add platform_profile support on AMD based ThinkPads
 - x86-android-tablets
   - Improve Asus ME176C / TF103C support
   - Support Nextbook Ares 8, Lenovo Tab 2 830 and 1050 tablets
 - Lots of various other small fixes and hardware-id additions
 
 The following is an automated git shortlog grouped by driver:
 
 ACPI / scan:
  -  Create platform device for CS35L41
 
 ACPI / x86:
  -  Add support for LPS0 callback handler
 
 ALSA:
  -  hda/realtek: Add support for HP Laptops
 
 Add AMD system management interface:
  - Add AMD system management interface
 
 Add Intel Software Defined Silicon driver:
  - Add Intel Software Defined Silicon driver
 
 Documentation:
  -  syfs-class-firmware-attributes: Lenovo Certificate support
  -  Add x86/amd_hsmp driver
 
 ISST:
  -  Fix possible circular locking dependency detected
 
 Input:
  -  soc_button_array - add support for Microsoft Surface 3 (MSHW0028) buttons
 
 Merge remote-tracking branch 'pdx86/platform-drivers-x86-pinctrl-pmu_clk' into review-hans-gcc12:
  - Merge remote-tracking branch 'pdx86/platform-drivers-x86-pinctrl-pmu_clk' into review-hans-gcc12
 
 Merge tag 'platform-drivers-x86-serial-multi-instantiate-1' into review-hans:
  - Merge tag 'platform-drivers-x86-serial-multi-instantiate-1' into review-hans
 
 Replace acpi_bus_get_device():
  - Replace acpi_bus_get_device()
 
 amd-pmc:
  -  Only report STB errors when STB enabled
  -  Drop CPU QoS workaround
  -  Output error codes in messages
  -  Move to later in the suspend process
  -  Validate entry into the deepest state on resume
  -  uninitialized variable in amd_pmc_s2d_init()
  -  Set QOS during suspend on CZN w/ timer wakeup
  -  Add support for AMD Spill to DRAM STB feature
  -  Correct usage of SMU version
  -  Make amd_pmc_stb_debugfs_fops static
 
 asus-tf103c-dock:
  -  Make 2 global structs static
 
 asus-wmi:
  -  Fix regression when probing for fan curve control
 
 hp-wmi:
  -  support omen thermal profile policy v1
  -  Changing bios_args.data to be dynamically allocated
  -  Fix 0x05 error code reported by several WMI calls
  -  Fix SW_TABLET_MODE detection method
  -  Fix hp_wmi_read_int() reporting error (0x05)
 
 huawei-wmi:
  -  check the return value of device_create_file()
 
 i2c-multi-instantiate:
  -  Rename it for a generic serial driver name
 
 int3472:
  -  Add terminator to gpiod_lookup_table
 
 intel-uncore-freq:
  -  fix uncore_freq_common_init() error codes
 
 intel_cht_int33fe:
  -  Move to intel directory
  -  Drop Lenovo Yogabook YB1-X9x code
  -  Switch to DMI modalias based loading
 
 intel_crystal_cove_charger:
  -  Fix IRQ masking / unmasking
 
 lg-laptop:
  -  Move setting of battery charge limit to common location
 
 pinctrl:
  -  baytrail: Add pinconf group + function for the pmu_clk
 
 platform/dcdbas:
  -  move EXPORT_SYMBOL after function
 
 platform/surface:
  -  Remove Surface 3 Button driver
  -  surface3-wmi: Simplify resource management
  -  Replace acpi_bus_get_device()
  -  Reinstate platform dependency
 
 platform/x86/intel-uncore-freq:
  -  Split common and enumeration part
 
 platform/x86/intel/uncore-freq:
  -  Display uncore current frequency
  -  Use sysfs API to create attributes
  -  Move to uncore-frequency folder
 
 selftests:
  -  sdsi: test sysfs setup
 
 serial-multi-instantiate:
  -  Add SPI support
  -  Reorganize I2C functions
 
 spi:
  -  Add API to count spi acpi resources
  -  Support selection of the index of the ACPI Spi Resource before alloc
  -  Create helper API to lookup ACPI info for spi device
  -  Make spi_alloc_device and spi_add_device public again
 
 surface:
  -  surface3_power: Fix battery readings on batteries without a serial number
 
 think-lmi:
  -  Certificate authentication support
 
 thinkpad_acpi:
  -  consistently check fan_get_status return.
  -  Don't use test_bit on an integer
  -  Fix compiler warning about uninitialized err variable
  -  clean up dytc profile convert
  -  Add PSC mode support
  -  Add dual fan probe
  -  Add dual-fan quirk for T15g (2nd gen)
  -  Fix incorrect use of platform profile on AMD platforms
  -  Add quirk for ThinkPads without a fan
 
 tools arch x86:
  -  Add Intel SDSi provisiong tool
 
 touchscreen_dmi:
  -  Add info for the RWC NANOTE P8 AY07J 2-in-1
 
 x86-android-tablets:
  -  Depend on EFI and SPI
  -  Lenovo Yoga Tablet 2 830/1050 sound support
  -  Workaround Lenovo Yoga Tablet 2 830/1050 poweroff hang
  -  Add Lenovo Yoga Tablet 2 830 / 1050 data
  -  Fix EBUSY error when requesting IOAPIC IRQs
  -  Minor charger / fuel-gauge improvements
  -  Add Nextbook Ares 8 data
  -  Add IRQ to Asus ME176C accelerometer info
  -  Add lid-switch gpio-keys pdev to Asus ME176C + TF103C
  -  Add x86_android_tablet_get_gpiod() helper
  -  Add Asus ME176C/TF103C charger and fuelgauge props
  -  Add battery swnode support
  -  Trivial typo fix for MODULE_AUTHOR
  -  Fix the buttons on CZC P10T tablet
  -  Constify the gpiod_lookup_tables arrays
  -  Add an init() callback to struct x86_dev_info
  -  Add support for disabling ACPI _AEI handlers
  -  Correct crystal_cove_charger module name
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Merge tag 'platform-drivers-x86-v5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver updates from Hans de Goede:
  "New drivers:
    - AMD Host System Management Port (HSMP)
    - Intel Software Defined Silicon

  Removed drivers (functionality folded into other drivers):
    - intel_cht_int33fe_microb
    - surface3_button

  amd-pmc:
    - s2idle bug-fixes
    - Support for AMD Spill to DRAM STB feature

  hp-wmi:
    - Fix SW_TABLET_MODE detection method (and other fixes)
    - Support omen thermal profile policy v1

  serial-multi-instantiate:
    - Add SPI device support
    - Add support for CS35L41 amplifiers used in new laptops

  think-lmi:
    - syfs-class-firmware-attributes Certificate authentication support

  thinkpad_acpi:
    - Fixes + quirks
    - Add platform_profile support on AMD based ThinkPads

  x86-android-tablets:
    - Improve Asus ME176C / TF103C support
    - Support Nextbook Ares 8, Lenovo Tab 2 830 and 1050 tablets

  Lots of various other small fixes and hardware-id additions"

* tag 'platform-drivers-x86-v5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (60 commits)
  platform/x86: think-lmi: Certificate authentication support
  Documentation: syfs-class-firmware-attributes: Lenovo Certificate support
  platform/x86: amd-pmc: Only report STB errors when STB enabled
  platform/x86: amd-pmc: Drop CPU QoS workaround
  platform/x86: amd-pmc: Output error codes in messages
  platform/x86: amd-pmc: Move to later in the suspend process
  ACPI / x86: Add support for LPS0 callback handler
  platform/x86: thinkpad_acpi: consistently check fan_get_status return.
  platform/x86: hp-wmi: support omen thermal profile policy v1
  platform/x86: hp-wmi: Changing bios_args.data to be dynamically allocated
  platform/x86: hp-wmi: Fix 0x05 error code reported by several WMI calls
  platform/x86: hp-wmi: Fix SW_TABLET_MODE detection method
  platform/x86: hp-wmi: Fix hp_wmi_read_int() reporting error (0x05)
  platform/x86: amd-pmc: Validate entry into the deepest state on resume
  platform/x86: thinkpad_acpi: Don't use test_bit on an integer
  platform/x86: thinkpad_acpi: Fix compiler warning about uninitialized err variable
  platform/x86: thinkpad_acpi: clean up dytc profile convert
  platform/x86: x86-android-tablets: Depend on EFI and SPI
  platform/x86: amd-pmc: uninitialized variable in amd_pmc_s2d_init()
  platform/x86: intel-uncore-freq: fix uncore_freq_common_init() error codes
  ...
2022-03-25 12:14:39 -07:00
Linus Torvalds
50560ce6a0 Kbuild -std=gnu11 updates for v5.18
Linus pointed out the benefits of C99 some years ago, especially variable
 declarations in loops [1]. At that time, we were not ready for the
 migration due to old compilers.
 
 Recently, Jakob Koschel reported a bug in list_for_each_entry(), which
 leaks the invalid pointer out of the loop [2]. In the discussion, we
 agreed that the time had come. Now that GCC 5.1 is the minimum compiler
 version, there is nothing to prevent us from going to -std=gnu99, or even
 straight to -std=gnu11.
 
 Discussions for a better list iterator implementation are ongoing, but
 this patch set must land first.
 
 [1] https://lore.kernel.org/all/CAHk-=wgr12JkKmRd21qh-se-_Gs69kbPgR9x4C+Es-yJV2GLkA@mail.gmail.com/
 [2] https://lore.kernel.org/lkml/86C4CE7D-6D93-456B-AA82-F8ADEACA40B7@gmail.com/
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Merge tag 'kbuild-gnu11-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild update for C11 language base from Masahiro Yamada:
 "Kbuild -std=gnu11 updates for v5.18

  Linus pointed out the benefits of C99 some years ago, especially
  variable declarations in loops [1]. At that time, we were not ready
  for the migration due to old compilers.

  Recently, Jakob Koschel reported a bug in list_for_each_entry(), which
  leaks the invalid pointer out of the loop [2]. In the discussion, we
  agreed that the time had come. Now that GCC 5.1 is the minimum
  compiler version, there is nothing to prevent us from going to
  -std=gnu99, or even straight to -std=gnu11.

  Discussions for a better list iterator implementation are ongoing, but
  this patch set must land first"

[1] https://lore.kernel.org/all/CAHk-=wgr12JkKmRd21qh-se-_Gs69kbPgR9x4C+Es-yJV2GLkA@mail.gmail.com/
[2] https://lore.kernel.org/lkml/86C4CE7D-6D93-456B-AA82-F8ADEACA40B7@gmail.com/

* tag 'kbuild-gnu11-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  Kbuild: use -std=gnu11 for KBUILD_USERCFLAGS
  Kbuild: move to -std=gnu11
  Kbuild: use -Wdeclaration-after-statement
  Kbuild: add -Wno-shift-negative-value where -Wextra is used
2022-03-25 11:48:01 -07:00
Jan Engelhardt
7000ef3805 Documentation: amd-pstate: grammar and sentence structure updates
Signed-off-by: Jan Engelhardt <jengelh@inai.de>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2022-03-25 18:29:57 +01:00
Linus Torvalds
29c8c18363 Merge branch 'akpm' (patches from Andrew)
Merge yet more updates from Andrew Morton:
 "This is the material which was staged after willystuff in linux-next.

  Subsystems affected by this patch series: mm (debug, selftests,
  pagecache, thp, rmap, migration, kasan, hugetlb, pagemap, madvise),
  and selftests"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (113 commits)
  selftests: kselftest framework: provide "finished" helper
  mm: madvise: MADV_DONTNEED_LOCKED
  mm: fix race between MADV_FREE reclaim and blkdev direct IO read
  mm: generalize ARCH_HAS_FILTER_PGPROT
  mm: unmap_mapping_range_tree() with i_mmap_rwsem shared
  mm: warn on deleting redirtied only if accounted
  mm/huge_memory: remove stale locking logic from __split_huge_pmd()
  mm/huge_memory: remove stale page_trans_huge_mapcount()
  mm/swapfile: remove stale reuse_swap_page()
  mm/khugepaged: remove reuse_swap_page() usage
  mm/huge_memory: streamline COW logic in do_huge_pmd_wp_page()
  mm: streamline COW logic in do_swap_page()
  mm: slightly clarify KSM logic in do_swap_page()
  mm: optimize do_wp_page() for fresh pages in local LRU pagevecs
  mm: optimize do_wp_page() for exclusive pages in the swapcache
  mm/huge_memory: make is_transparent_hugepage() static
  userfaultfd/selftests: enable hugetlb remap and remove event testing
  selftests/vm: add hugetlb madvise MADV_DONTNEED MADV_REMOVE test
  mm: enable MADV_DONTNEED for hugetlb mappings
  kasan: disable LOCKDEP when printing reports
  ...
2022-03-25 10:21:20 -07:00
Linus Torvalds
aa5b537b0e RISC-V Patches for the 5.18 Merge Window, Part 1
* Support for Sv57-based virtual memory.
 * Various improvements for the MicroChip PolarFire SOC and the
   associated Icicle dev board, which should allow upstream kernels to
   boot without any additional modifications.
 * An improved memmove() implementation.
 * Support for the new Ssconfpmf and SBI PMU extensions, which allows for
   a much more useful perf implementation on RISC-V systems.
 * Support for restartable sequences.
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Merge tag 'riscv-for-linus-5.18-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V updates from Palmer Dabbelt:

 - Support for Sv57-based virtual memory.

 - Various improvements for the MicroChip PolarFire SOC and the
   associated Icicle dev board, which should allow upstream kernels to
   boot without any additional modifications.

 - An improved memmove() implementation.

 - Support for the new Ssconfpmf and SBI PMU extensions, which allows
   for a much more useful perf implementation on RISC-V systems.

 - Support for restartable sequences.

* tag 'riscv-for-linus-5.18-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (36 commits)
  rseq/selftests: Add support for RISC-V
  RISC-V: Add support for restartable sequence
  MAINTAINERS: Add entry for RISC-V PMU drivers
  Documentation: riscv: Remove the old documentation
  RISC-V: Add sscofpmf extension support
  RISC-V: Add perf platform driver based on SBI PMU extension
  RISC-V: Add RISC-V SBI PMU extension definitions
  RISC-V: Add a simple platform driver for RISC-V legacy perf
  RISC-V: Add a perf core library for pmu drivers
  RISC-V: Add CSR encodings for all HPMCOUNTERS
  RISC-V: Remove the current perf implementation
  RISC-V: Improve /proc/cpuinfo output for ISA extensions
  RISC-V: Do no continue isa string parsing without correct XLEN
  RISC-V: Implement multi-letter ISA extension probing framework
  RISC-V: Extract multi-letter extension names from "riscv, isa"
  RISC-V: Minimal parser for "riscv, isa" strings
  RISC-V: Correctly print supported extensions
  riscv: Fixed misaligned memory access. Fixed pointer comparison.
  MAINTAINERS: update riscv/microchip entry
  riscv: dts: microchip: add new peripherals to icicle kit device tree
  ...
2022-03-25 10:11:38 -07:00
Linus Torvalds
1f1c153e40 powerpc updates for 5.18
- Enforce kernel RO, and implement STRICT_MODULE_RWX for 603.
 
  - Add support for livepatch to 32-bit.
 
  - Implement CONFIG_DYNAMIC_FTRACE_WITH_ARGS.
 
  - Merge vdso64 and vdso32 into a single directory.
 
  - Fix build errors with newer binutils.
 
  - Add support for UADDR64 relocations, which are emitted by some toolchains. This allows
    powerpc to build with the latest lld.
 
  - Fix (another) potential userspace r13 corruption in transactional memory handling.
 
  - Cleanups of function descriptor handling & related fixes to LKDTM.
 
 Thanks to: Abdul Haleem, Alexey Kardashevskiy, Anders Roxell, Aneesh Kumar K.V, Anton
 Blanchard, Arnd Bergmann, Athira Rajeev, Bhaskar Chowdhury, Cédric Le Goater, Chen
 Jingwen, Christophe JAILLET, Christophe Leroy, Corentin Labbe, Daniel Axtens, Daniel
 Henrique Barboza, David Dai, Fabiano Rosas, Ganesh Goudar, Guo Zhengkui, Hangyu Hua, Haren
 Myneni, Hari Bathini, Igor Zhbanov, Jakob Koschel, Jason Wang, Jeremy Kerr, Joachim
 Wiberg, Jordan Niethe, Julia Lawall, Kajol Jain, Kees Cook, Laurent Dufour, Madhavan
 Srinivasan, Mamatha Inamdar, Maxime Bizon, Maxim Kiselev, Maxim Kochetkov, Michal
 Suchanek, Nageswara R Sastry, Nathan Lynch, Naveen N. Rao, Nicholas Piggin, Nour-eddine
 Taleb, Paul Menzel, Ping Fang, Pratik R. Sampat, Randy Dunlap, Ritesh Harjani, Rohan
 McLure, Russell Currey, Sachin Sant, Segher Boessenkool, Shivaprasad G Bhat, Sourabh Jain,
 Thierry Reding, Tobias Waldekranz, Tyrel Datwyler, Vaibhav Jain, Vladimir Oltean, Wedson
 Almeida Filho, YueHaibing.
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Merge tag 'powerpc-5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:
 "Livepatch support for 32-bit is probably the standout new feature,
  otherwise mostly just lots of bits and pieces all over the board.

  There's a series of commits cleaning up function descriptor handling,
  which touches a few other arches as well as LKDTM. It has acks from
  Arnd, Kees and Helge.

  Summary:

   - Enforce kernel RO, and implement STRICT_MODULE_RWX for 603.

   - Add support for livepatch to 32-bit.

   - Implement CONFIG_DYNAMIC_FTRACE_WITH_ARGS.

   - Merge vdso64 and vdso32 into a single directory.

   - Fix build errors with newer binutils.

   - Add support for UADDR64 relocations, which are emitted by some
     toolchains. This allows powerpc to build with the latest lld.

   - Fix (another) potential userspace r13 corruption in transactional
     memory handling.

   - Cleanups of function descriptor handling & related fixes to LKDTM.

  Thanks to Abdul Haleem, Alexey Kardashevskiy, Anders Roxell, Aneesh
  Kumar K.V, Anton Blanchard, Arnd Bergmann, Athira Rajeev, Bhaskar
  Chowdhury, Cédric Le Goater, Chen Jingwen, Christophe JAILLET,
  Christophe Leroy, Corentin Labbe, Daniel Axtens, Daniel Henrique
  Barboza, David Dai, Fabiano Rosas, Ganesh Goudar, Guo Zhengkui, Hangyu
  Hua, Haren Myneni, Hari Bathini, Igor Zhbanov, Jakob Koschel, Jason
  Wang, Jeremy Kerr, Joachim Wiberg, Jordan Niethe, Julia Lawall, Kajol
  Jain, Kees Cook, Laurent Dufour, Madhavan Srinivasan, Mamatha Inamdar,
  Maxime Bizon, Maxim Kiselev, Maxim Kochetkov, Michal Suchanek,
  Nageswara R Sastry, Nathan Lynch, Naveen N. Rao, Nicholas Piggin,
  Nour-eddine Taleb, Paul Menzel, Ping Fang, Pratik R. Sampat, Randy
  Dunlap, Ritesh Harjani, Rohan McLure, Russell Currey, Sachin Sant,
  Segher Boessenkool, Shivaprasad G Bhat, Sourabh Jain, Thierry Reding,
  Tobias Waldekranz, Tyrel Datwyler, Vaibhav Jain, Vladimir Oltean,
  Wedson Almeida Filho, and YueHaibing"

* tag 'powerpc-5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (179 commits)
  powerpc/pseries: Fix use after free in remove_phb_dynamic()
  powerpc/time: improve decrementer clockevent processing
  powerpc/time: Fix KVM host re-arming a timer beyond decrementer range
  powerpc/tm: Fix more userspace r13 corruption
  powerpc/xive: fix return value of __setup handler
  powerpc/64: Add UADDR64 relocation support
  powerpc: 8xx: fix a return value error in mpc8xx_pic_init
  powerpc/ps3: remove unneeded semicolons
  powerpc/64: Force inlining of prevent_user_access() and set_kuap()
  powerpc/bitops: Force inlining of fls()
  powerpc: declare unmodified attribute_group usages const
  powerpc/spufs: Fix build warning when CONFIG_PROC_FS=n
  powerpc/secvar: fix refcount leak in format_show()
  powerpc/64e: Tie PPC_BOOK3E_64 to PPC_FSL_BOOK3E
  powerpc: Move C prototypes out of asm-prototypes.h
  powerpc/kexec: Declare kexec_paca static
  powerpc/smp: Declare current_set static
  powerpc: Cleanup asm-prototypes.c
  powerpc/ftrace: Use STK_GOT in ftrace_mprofile.S
  powerpc/ftrace: Regroup PPC64 specific operations in ftrace_mprofile.S
  ...
2022-03-25 09:39:36 -07:00
Jason A. Donenfeld
d97c68d178 random: treat bootloader trust toggle the same way as cpu trust toggle
If CONFIG_RANDOM_TRUST_CPU is set, the RNG initializes using RDRAND.
But, the user can disable (or enable) this behavior by setting
`random.trust_cpu=0/1` on the kernel command line. This allows system
builders to do reasonable things while avoiding howls from tinfoil
hatters. (Or vice versa.)

CONFIG_RANDOM_TRUST_BOOTLOADER is basically the same thing, but regards
the seed passed via EFI or device tree, which might come from RDRAND or
a TPM or somewhere else. In order to allow distros to more easily enable
this while avoiding those same howls (or vice versa), this commit adds
the corresponding `random.trust_bootloader=0/1` toggle.

Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Graham Christensen <graham@grahamc.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>
Link: https://github.com/NixOS/nixpkgs/pull/165355
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2022-03-25 08:49:40 -06:00
Linus Torvalds
34af78c4e6 IOMMU Updates for Linux v5.18
Including:
 
 	- IOMMU Core changes:
 	  - Removal of aux domain related code as it is basically dead
 	    and will be replaced by iommu-fd framework
 	  - Split of iommu_ops to carry domain-specific call-backs
 	    separatly
 	  - Cleanup to remove useless ops->capable implementations
 	  - Improve 32-bit free space estimate in iova allocator
 
 	- Intel VT-d updates:
 	  - Various cleanups of the driver
 	  - Support for ATS of SoC-integrated devices listed in
 	    ACPI/SATC table
 
 	- ARM SMMU updates:
 	  - Fix SMMUv3 soft lockup during continuous stream of events
 	  - Fix error path for Qualcomm SMMU probe()
 	  - Rework SMMU IRQ setup to prepare the ground for PMU support
 	  - Minor cleanups and refactoring
 
 	- AMD IOMMU driver:
 	  - Some minor cleanups and error-handling fixes
 
 	- Rockchip IOMMU driver:
 	  - Use standard driver registration
 
 	- MSM IOMMU driver:
 	  - Minor cleanup and change to standard driver registration
 
 	- Mediatek IOMMU driver:
 	  - Fixes for IOTLB flushing logic
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Merge tag 'iommu-updates-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull iommu updates from Joerg Roedel:

 - IOMMU Core changes:
      - Removal of aux domain related code as it is basically dead and
        will be replaced by iommu-fd framework
      - Split of iommu_ops to carry domain-specific call-backs separatly
      - Cleanup to remove useless ops->capable implementations
      - Improve 32-bit free space estimate in iova allocator

 - Intel VT-d updates:
      - Various cleanups of the driver
      - Support for ATS of SoC-integrated devices listed in ACPI/SATC
        table

 - ARM SMMU updates:
      - Fix SMMUv3 soft lockup during continuous stream of events
      - Fix error path for Qualcomm SMMU probe()
      - Rework SMMU IRQ setup to prepare the ground for PMU support
      - Minor cleanups and refactoring

 - AMD IOMMU driver:
      - Some minor cleanups and error-handling fixes

 - Rockchip IOMMU driver:
      - Use standard driver registration

 - MSM IOMMU driver:
      - Minor cleanup and change to standard driver registration

 - Mediatek IOMMU driver:
      - Fixes for IOTLB flushing logic

* tag 'iommu-updates-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (47 commits)
  iommu/amd: Improve amd_iommu_v2_exit()
  iommu/amd: Remove unused struct fault.devid
  iommu/amd: Clean up function declarations
  iommu/amd: Call memunmap in error path
  iommu/arm-smmu: Account for PMU interrupts
  iommu/vt-d: Enable ATS for the devices in SATC table
  iommu/vt-d: Remove unused function intel_svm_capable()
  iommu/vt-d: Add missing "__init" for rmrr_sanity_check()
  iommu/vt-d: Move intel_iommu_ops to header file
  iommu/vt-d: Fix indentation of goto labels
  iommu/vt-d: Remove unnecessary prototypes
  iommu/vt-d: Remove unnecessary includes
  iommu/vt-d: Remove DEFER_DEVICE_DOMAIN_INFO
  iommu/vt-d: Remove domain and devinfo mempool
  iommu/vt-d: Remove iova_cache_get/put()
  iommu/vt-d: Remove finding domain in dmar_insert_one_dev_info()
  iommu/vt-d: Remove intel_iommu::domains
  iommu/mediatek: Always tlb_flush_all when each PM resume
  iommu/mediatek: Add tlb_lock in tlb_flush_all
  iommu/mediatek: Remove the power status checking in tlb flush all
  ...
2022-03-24 19:48:57 -07:00
Linus Torvalds
6f2689a766 SCSI misc on 20220324
This series consists of the usual driver updates (qla2xxx, pm8001,
 libsas, smartpqi, scsi_debug, lpfc, iscsi, mpi3mr) plus minor updates
 and bug fixes.  The high blast radius core update is the removal of
 write same, which affects block and several non-SCSI devices.  The
 other big change, which is more local, is the removal of the SCSI
 pointer.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This series consists of the usual driver updates (qla2xxx, pm8001,
  libsas, smartpqi, scsi_debug, lpfc, iscsi, mpi3mr) plus minor updates
  and bug fixes.

  The high blast radius core update is the removal of write same, which
  affects block and several non-SCSI devices. The other big change,
  which is more local, is the removal of the SCSI pointer"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (281 commits)
  scsi: scsi_ioctl: Drop needless assignment in sg_io()
  scsi: bsg: Drop needless assignment in scsi_bsg_sg_io_fn()
  scsi: lpfc: Copyright updates for 14.2.0.0 patches
  scsi: lpfc: Update lpfc version to 14.2.0.0
  scsi: lpfc: SLI path split: Refactor BSG paths
  scsi: lpfc: SLI path split: Refactor Abort paths
  scsi: lpfc: SLI path split: Refactor SCSI paths
  scsi: lpfc: SLI path split: Refactor CT paths
  scsi: lpfc: SLI path split: Refactor misc ELS paths
  scsi: lpfc: SLI path split: Refactor VMID paths
  scsi: lpfc: SLI path split: Refactor FDISC paths
  scsi: lpfc: SLI path split: Refactor LS_RJT paths
  scsi: lpfc: SLI path split: Refactor LS_ACC paths
  scsi: lpfc: SLI path split: Refactor the RSCN/SCR/RDF/EDC/FARPR paths
  scsi: lpfc: SLI path split: Refactor PLOGI/PRLI/ADISC/LOGO paths
  scsi: lpfc: SLI path split: Refactor base ELS paths and the FLOGI path
  scsi: lpfc: SLI path split: Introduce lpfc_prep_wqe
  scsi: lpfc: SLI path split: Refactor fast and slow paths to native SLI4
  scsi: lpfc: SLI path split: Refactor lpfc_iocbq
  scsi: lpfc: Use kcalloc()
  ...
2022-03-24 19:37:53 -07:00
Krzysztof Kozlowski
ec8b557805 dt-bindings: clock: drop useless consumer example
Consumer examples in the bindings of resource providers are trivial,
useless and duplication of code.  Remove the example code for consumer

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20220316130858.93455-2-krzysztof.kozlowski@canonical.com
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-03-24 19:29:11 -07:00
Rob Herring
3b1db05cee dt-bindings: clock: renesas: Make example 'clocks' parsable
'clocks' in the example is not parsable with the 0 phandle value
because the number of #clock-cells is unknown in the previous entry.
Solve this by adding the clock provider node. Only 'cpg_clocks' is
needed as the examples are built with fixups which can be used to
identify phandles.

This is in preparation to support schema validation on .dtb files.

Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220301190400.1644150-1-robh@kernel.org
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-03-24 19:24:10 -07:00
Andrey Konovalov
8479d7b5be kasan: documentation updates
Update KASAN documentation:

 - Bump Clang version requirement for HW_TAGS as ARM64_MTE depends on
   AS_HAS_LSE_ATOMICS as of commit 2decad92f4 ("arm64: mte: Ensure
   TIF_MTE_ASYNC_FAULT is set atomically"), which requires Clang 12.

 - Add description of the new kasan.vmalloc command line flag.

 - Mention that SW_TAGS and HW_TAGS modes now support vmalloc tagging.

 - Explicitly say that the "Shadow memory" section is only applicable to
   software KASAN modes.

 - Mention that shadow-based KASAN_VMALLOC is supported on arm64.

Link: https://lkml.kernel.org/r/a61189128fa3f9fbcfd9884ff653d401864b8e74.1643047180.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Acked-by: Marco Elver <elver@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Evgenii Stepanov <eugenis@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Collingbourne <pcc@google.com>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-03-24 19:06:48 -07:00
Jiajian Ye
9c8a0a8e59 tools/vm/page_owner_sort.c: support for user-defined culling rules
When viewing page owner information, we may want to cull blocks of
information with our own rules.  So it is important to enhance culling
function to provide the support for customizing culling rules.
Therefore, following adjustments are made:

1. Add --cull option to support the culling of blocks of information
   with user-defined culling rules.

	./page_owner_sort <input> <output> --cull=<rules>
	./page_owner_sort <input> <output> --cull <rules>

  <rules> is a single argument in the form of a comma-separated list to
  specify individual culling rules, by the sequence of keys k1,k2, ....
  Mixed use of abbreviated and complete-form of keys is allowed.

  For reference, please see the document(Documentation/vm/page_owner.rst).

Now, assuming two blocks in the input file are as follows:

	Page allocated via order 0, mask xxxx, pid 1, tgid 1 (task_name_demo)
	PFN xxxx
	 prep_new_page+0xd0/0xf8
	 get_page_from_freelist+0x4a0/0x1290
	 __alloc_pages+0x168/0x340
	 alloc_pages+0xb0/0x158

	Page allocated via order 0, mask xxxx, pid 32, tgid 32 (task_name_demo)
	PFN xxxx
	 prep_new_page+0xd0/0xf8
	 get_page_from_freelist+0x4a0/0x1290
	 __alloc_pages+0x168/0x340
	 alloc_pages+0xb0/0x158

If we want to cull the blocks by stacktrace and task command name, we can
use this command:

	./page_owner_sort <input> <output> --cull=stacktrace,name

The output would be like:

	2 times, 2 pages, task_comm_name: task_name_demo
	 prep_new_page+0xd0/0xf8
	 get_page_from_freelist+0x4a0/0x1290
	 __alloc_pages+0x168/0x340
	 alloc_pages+0xb0/0x158

As we can see, these two blocks are culled successfully, for they share
the same pid and task command name.

However, if we want to cull the blocks by pid, stacktrace and task command
name, we can this command:

	./page_owner_sort <input> <output> --cull=stacktrace,name,pid

The output would be like:

	1 times, 1 pages, PID 1, task_comm_name: task_name_demo
	 prep_new_page+0xd0/0xf8
	 get_page_from_freelist+0x4a0/0x1290
	 __alloc_pages+0x168/0x340
	 alloc_pages+0xb0/0x158

	1 times, 1 pages, PID 32, task_comm_name: task_name_demo
	 prep_new_page+0xd0/0xf8
	 get_page_from_freelist+0x4a0/0x1290
	 __alloc_pages+0x168/0x340
	 alloc_pages+0xb0/0x158

As we can see, these two blocks are failed to cull, for their PIDs are
different.

2. Add explanations of --cull options to the document.

This work is coauthored by
	Yixuan Cao
	Shenghong Han
	Yinan Zhang
	Chongxi Zhao
	Yuhong Feng

Link: https://lkml.kernel.org/r/20220312145834.624-1-yejiajian2018@email.szu.edu.cn
Signed-off-by: Jiajian Ye <yejiajian2018@email.szu.edu.cn>
Cc: Yixuan Cao <caoyixuan2019@email.szu.edu.cn>
Cc: Shenghong Han <hanshenghong2019@email.szu.edu.cn>
Cc: Yinan Zhang <zhangyinan2019@email.szu.edu.cn>
Cc: Chongxi Zhao <zhaochongxi2019@email.szu.edu.cn>
Cc: Yuhong Feng <yuhongf@szu.edu.cn>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Sean Anderson <seanga2@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-03-24 19:06:45 -07:00
Jiajian Ye
8ea8613a61 tools/vm/page_owner_sort.c: support for selecting by PID, TGID or task command name
When viewing page owner information, we may also need to select the blocks
by PID, TGID or task command name, which helps to get more accurate page
allocation information as needed.

Therefore, following adjustments are made:

1. Add three new options, including --pid, --tgid and --name, to support
   the selection of information blocks by a specific pid, tgid and task
   command name. In addtion, multiple options are allowed to be used at
   the same time.

	./page_owner_sort [input] [output] --pid <PID>
	./page_owner_sort [input] [output] --tgid <TGID>
	./page_owner_sort [input] [output] --name <TASK_COMMAND_NAME>

   Assuming a scenario when a multi-threaded program, ./demo (PID =
   5280), is running, and ./demo creates a child process (PID = 5281).

	$ps
	PID   TTY        TIME   CMD
	5215  pts/0    00:00:00  bash
	5280  pts/0    00:00:00  ./demo
	5281  pts/0    00:00:00  ./demo
	5282  pts/0    00:00:00  ps

   It would be better to filter out the records with tgid=5280 and the
   task name "demo" when debugging the parent process, and the specific
   usage is

	./page_owner_sort [input] [output] --tgid 5280 --name demo

2. Add explanations of three new options, including --pid, --tgid and
   --name, to the document.

This work is coauthored by
	Shenghong Han <hanshenghong2019@email.szu.edu.cn>,
	Yixuan Cao <caoyixuan2019@email.szu.edu.cn>,
	Yinan Zhang <zhangyinan2019@email.szu.edu.cn>,
	Chongxi Zhao <zhaochongxi2019@email.szu.edu.cn>,
	Yuhong Feng <yuhongf@szu.edu.cn>.

Link: https://lkml.kernel.org/r/1646835223-7584-1-git-send-email-yejiajian2018@email.szu.edu.cn
Signed-off-by: Jiajian Ye <yejiajian2018@email.szu.edu.cn>
Cc: Sean Anderson <seanga2@gmail.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Zhenliang Wei <weizhenliang@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-03-24 19:06:45 -07:00
Jiajian Ye
194d52d771 tools/vm/page_owner_sort: support for sorting by task command name
When viewing page owner information, we may also need to the block to be
sorted by task command name.  Therefore, the following adjustments are
made:

1. Add a member variable to record task command name of block.

2. Add a new -n option to sort the information of blocks by task command
   name.

3. Add -n option explanation in the document.

Link: https://lkml.kernel.org/r/20220306030640.43054-2-yejiajian2018@email.szu.edu.cn
Signed-off-by: Jiajian Ye <yejiajian2018@email.szu.edu.cn>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Sean Anderson <seanga2@gmail.com>
Cc: Yixuan Cao <caoyixuan2019@email.szu.edu.cn>
Cc: Zhenliang Wei <weizhenliang@huawei.com>
Cc: <zhaochongxi2019@email.szu.edu.cn>
Cc: <hanshenghong2019@email.szu.edu.cn>
Cc: <zhangyinan2019@email.szu.edu.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-03-24 19:06:45 -07:00
Jiajian Ye
cf3c2c8678 tools/vm/page_owner_sort.c: support sorting by tgid and update documentation
When the "page owner" information is read, the information sorted
by TGID is expected.

As a result, the following adjustments have been made:

1. Add a new -P option to sort the information of blocks by TGID in
   ascending order.

2. Adjust the order of member variables in block_list strust to avoid
   one 4 byte hole.

3. Add -P option explanation in the document.

Link: https://lkml.kernel.org/r/20220301151438.166118-3-yejiajian2018@email.szu.edu.cn
Signed-off-by: Jiajian Ye <yejiajian2018@email.szu.edu.cn>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Yixuan Cao <caoyixuan2019@email.szu.edu.cn>
Cc: Zhenliang Wei <weizhenliang@huawei.com>
Cc: Yinan Zhang <zhangyinan2019@email.szu.edu.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-03-24 19:06:45 -07:00
Jiajian Ye
59d7cb27d5 tools/vm/page_owner_sort.c: fix comments
Two adjustments are made:

1. Correct a grammatical error: replace the "what" in "Do the job what
   you want to debug" with "that".

2. Replace "has not been" with "has been" in the description of the -f
   option: According to Commit b1c9ba071e7d ("tools/vm/page_owner_sort.c:
   fix the instructions for use"), the description of the "-f" option is
   "Filter out the information of blocks whose memory has been released."

Link: https://lkml.kernel.org/r/20220301151438.166118-1-yejiajian2018@email.szu.edu.cn
Signed-off-by: Jiajian Ye <yejiajian2018@email.szu.edu.cn>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Yinan Zhang <zhangyinan2019@email.szu.edu.cn>
Cc: Yixuan Cao <caoyixuan2019@email.szu.edu.cn>
Cc: Zhenliang Wei <weizhenliang@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-03-24 19:06:45 -07:00
Shuah Khan
2e9449856b Documentation/vm/page_owner.rst: fix unexpected indentation warns
Fix Unexpected indentation warns in page_owner:

  Documentation/vm/page_owner.rst:92: WARNING: Unexpected indentation.
  Documentation/vm/page_owner.rst:96: WARNING: Unexpected indentation.
  Documentation/vm/page_owner.rst:107: WARNING: Unexpected indentation.

Link: https://lkml.kernel.org/r/20211215001929.47866-1-skhan@linuxfoundation.org
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-03-24 19:06:44 -07:00
Shenghong Han
57f2b54a93 Documentation/vm/page_owner.rst: update the documentation
Update the documentation of ``page_owner``.

[akpm@linux-foundation.org: small grammatical tweaks]

Link: https://lkml.kernel.org/r/20211214134736.2569-1-hanshenghong2019@email.szu.edu.cn
Signed-off-by: Shenghong Han <hanshenghong2019@email.szu.edu.cn>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Georgi Djakov <georgi.djakov@linaro.org>
Cc: Liam Mark <lmark@codeaurora.org>
Cc: Tang Bin <tangbin@cmss.chinamobile.com>
Cc: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Cc: Zhenliang Wei <weizhenliang@huawei.com>
Cc: Xiaoming Ni <nixiaoming@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-03-24 19:06:44 -07:00
Linus Torvalds
b9132c32e0 cxl for 5.18
- Add a driver for 'struct cxl_memdev' objects responsible for CXL.mem
   operation as distinct from 'cxl_pci' mailbox operations. Its primary
   responsibility is enumerating an endpoint 'struct cxl_port' and all the
   'struct cxl_port' instances between an endpoint and the CXL platform
   root.
 
 - Add a driver for 'struct cxl_port' objects responsible for enumerating
   and operating all Host-managed Device Memory (HDM) decoder resources
   between the platform-level CXL memory description, all intervening host
   bridges / switches, and the HDM resources in endpoints.
 
 - Update the cxl_pci driver to validate CXL.mem operation precursors to
   HDM decoder operation like ready-polling, and legacy CXL 1.1 DVSEC
   based CXL.mem configuration.
 
 - Add basic lockdep coverage for usage of device_lock() on CXL subsystem
   objects similar to what exists for LIBNVDIMM. Include a compile-time
   switch for which subsystem to validate at run-time.
 
 - Update cxl_test to emulate a one level switch topology.
 
 - Document a "Theory of Operation" for the subsystem.
 
 - Add 'numa_node' and 'serial' attributes to cxl_memdev sysfs
 
 - Include miscellaneous fixes for spec / QEMU CXL emulation
   compatibility and static analysis reports.
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Merge tag 'cxl-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl

Pull CXL (Compute Express Link) updates from Dan Williams:
 "This development cycle extends the subsystem to discover CXL resources
  throughout a CXL/PCIe switch topology and respond to hot add/remove
  events anywhere in that topology.

  This is more foundational infrastructure in preparation for dynamic
  memory region provisioning support. Recall that CXL memory regions, as
  the new "Theory of Operation" section of
  Documentation/driver-api/cxl/memory-devices.rst describes, bring
  storage volume striping semantics to memory.

  The hot add/remove behavior is validated with extensions to the
  cxl_test unit test environment and this test in the cxl-cli test
  suite:

      https://github.com/pmem/ndctl/blob/djbw/for-74/cxl/test/cxl-topology.sh

  Summary:

   - Add a driver for 'struct cxl_memdev' objects responsible for
     CXL.mem operation as distinct from 'cxl_pci' mailbox operations.

     Its primary responsibility is enumerating an endpoint 'struct
     cxl_port' and all the 'struct cxl_port' instances between an
     endpoint and the CXL platform root.

   - Add a driver for 'struct cxl_port' objects responsible for
     enumerating and operating all Host-managed Device Memory (HDM)
     decoder resources between the platform-level CXL memory
     description, all intervening host bridges / switches, and the HDM
     resources in endpoints.

   - Update the cxl_pci driver to validate CXL.mem operation precursors
     to HDM decoder operation like ready-polling, and legacy CXL 1.1
     DVSEC based CXL.mem configuration.

   - Add basic lockdep coverage for usage of device_lock() on CXL
     subsystem objects similar to what exists for LIBNVDIMM. Include a
     compile-time switch for which subsystem to validate at run-time.

   - Update cxl_test to emulate a one level switch topology.

   - Document a "Theory of Operation" for the subsystem.

   - Add 'numa_node' and 'serial' attributes to cxl_memdev sysfs

   - Include miscellaneous fixes for spec / QEMU CXL emulation
     compatibility and static analysis reports"

* tag 'cxl-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (48 commits)
  cxl/core/port: Fix NULL but dereferenced coccicheck error
  cxl/port: Hold port reference until decoder release
  cxl/port: Fix endpoint refcount leak
  cxl/core: Fix cxl_device_lock() class detection
  cxl/core/port: Fix unregister_port() lock assertion
  cxl/regs: Fix size of CXL Capability Header Register
  cxl/core/port: Handle invalid decoders
  cxl/core/port: Fix / relax decoder target enumeration
  tools/testing/cxl: Add a physical_node link
  tools/testing/cxl: Enumerate mock decoders
  tools/testing/cxl: Mock one level of switches
  tools/testing/cxl: Fix root port to host bridge assignment
  tools/testing/cxl: Mock dvsec_ranges()
  cxl/core/port: Add endpoint decoders
  cxl/core: Move target_list out of base decoder attributes
  cxl/mem: Add the cxl_mem driver
  cxl/core/port: Add switch port enumeration
  cxl/memdev: Add numa_node attribute
  cxl/pci: Emit device serial number
  cxl/pci: Implement wait for media active
  ...
2022-03-24 18:07:03 -07:00
Ansuel Smith
adbf85aaf7 dt-bindings: clock: fix dt_binding_check error for qcom,gcc-other.yaml
qcom,gcc-other Documentation lacks a '|' for the description. This cause
dt_binding_check to incorrectly parse "See also:" as a new value.
Add the missing '|' to correctly parse the description.

Fixes: a03965ed13 ("dt-bindings: clock: split qcom,gcc.yaml to common and specific schema")
Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
Link: https://lore.kernel.org/r/20220323194248.26970-1-ansuelsmth@gmail.com
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Reported-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-03-24 17:48:54 -07:00
Linus Torvalds
b14ffae378 drm for 5.18-rc1
dma-buf:
 - rename dma-buf-map to iosys-map
 
 core:
 - move buddy allocator to core
 - add pci/platform init macros
 - improve EDID parser deep color handling
 - EDID timing type 7 support
 - add GPD Win Max quirk
 - add yes/no helpers to string_helpers
 - flatten syncobj chains
 - add nomodeset support to lots of drivers
 - improve fb-helper clipping support
 - add default property value interface
 
 fbdev:
 - improve fbdev ops speed
 
 ttm:
 - add a backpointer from ttm bo->ttm resource
 
 dp:
 - move displayport headers
 - add a dp helper module
 
 bridge:
 - anx7625 atomic support, HDCP support
 
 panel:
 - split out panel-lvds and lvds bindings
 - find panels in OF subnodes
 
 privacy:
 - add chromeos privacy screen support
 
 fb:
 - hot unplug fw fb on forced removal
 
 simpledrm:
 - request region instead of marking ioresource busy
 - add panel oreintation property
 
 udmabuf:
 - fix oops with 0 pages
 
 amdgpu:
 - power management code cleanup
 - Enable freesync video mode by default
 - RAS code cleanup
 - Improve VRAM access for debug using SDMA
 - SR-IOV rework special register access and fixes
 - profiling power state request ioctl
 - expose IP discovery via sysfs
 - Cyan skillfish updates
 - GC 10.3.7, SDMA 5.2.7, DCN 3.1.6 updates
 - expose benchmark tests via debugfs
 - add module param to disable XGMI for testing
 - GPU reset debugfs register dumping support
 
 amdkfd:
 - CRIU support
 - SDMA queue fixes
 
 radeon:
 - UVD suspend fix
 - iMac backlight fix
 
 i915:
 - minimal parallel submission for execlists
 - DG2-G12 subplatform added
 - DG2 programming workarounds
 - DG2 accelerated migration support
 - flat CCS and CCS engine support for XeHP
 - initial small BAR support
 - drop fake LMEM support
 - ADL-N PCH support
 - bigjoiner updates
 - introduce VMA resources and async unbinding
 - register definitions cleanups
 - multi-FBC refactoring
 - DG1 OPROM over SPI support
 - ADL-N platform enabling
 - opregion mailbox #5 support
 - DP MST ESI improvements
 - drm device based logging
 - async flip optimisation for DG2
 - CPU arch abstraction fixes
 - improve GuC ADS init to work on aarch64
 - tweak TTM LRU priority hint
 - GuC 69.0.3 support
 - remove short term execbuf pins
 
 nouveau:
 - higher DP/eDP bitrates
 - backlight fixes
 
 msm:
 - dpu + dp support for sc8180x
 - dp support for sm8350
 - dpu + dsi support for qcm2290
 - 10nm dsi phy tuning support
 - bridge support for dp encoder
 - gpu support for additional 7c3 SKUs
 
 ingenic:
 - HDMI support for JZ4780
 - aux channel EDID support
 
 ast:
 - AST2600 support
 - add wide screen support
 - create DP/DVI connectors
 
 omapdrm:
 - fix implicit dma_buf fencing
 
 vc4:
 - add CSC + full range support
 - better display firmware handoff
 
 panfrost:
 - add initial dual-core GPU support
 
 stm:
 - new revision support
 - fb handover support
 
 mediatek:
 - transfer display binding document to yaml format.
 - add mt8195 display device binding.
 - allow commands to be sent during video mode.
 - add wait_for_event for crtc disable by cmdq.
 
 tegra:
 - YUV format support
 
 rcar-du:
 - LVDS support for M3-W+ (R8A77961)
 
 exynos:
 - BGR pixel format for FIMD device
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Merge tag 'drm-next-2022-03-24' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "Lots of work all over, Intel improving DG2 support, amdkfd CRIU
  support, msm new hw support, and faster fbdev support.

  dma-buf:
   - rename dma-buf-map to iosys-map

  core:
   - move buddy allocator to core
   - add pci/platform init macros
   - improve EDID parser deep color handling
   - EDID timing type 7 support
   - add GPD Win Max quirk
   - add yes/no helpers to string_helpers
   - flatten syncobj chains
   - add nomodeset support to lots of drivers
   - improve fb-helper clipping support
   - add default property value interface

  fbdev:
   - improve fbdev ops speed

  ttm:
   - add a backpointer from ttm bo->ttm resource

  dp:
   - move displayport headers
   - add a dp helper module

  bridge:
   - anx7625 atomic support, HDCP support

  panel:
   - split out panel-lvds and lvds bindings
   - find panels in OF subnodes

  privacy:
   - add chromeos privacy screen support

  fb:
   - hot unplug fw fb on forced removal

  simpledrm:
   - request region instead of marking ioresource busy
   - add panel oreintation property

  udmabuf:
   - fix oops with 0 pages

  amdgpu:
   - power management code cleanup
   - Enable freesync video mode by default
   - RAS code cleanup
   - Improve VRAM access for debug using SDMA
   - SR-IOV rework special register access and fixes
   - profiling power state request ioctl
   - expose IP discovery via sysfs
   - Cyan skillfish updates
   - GC 10.3.7, SDMA 5.2.7, DCN 3.1.6 updates
   - expose benchmark tests via debugfs
   - add module param to disable XGMI for testing
   - GPU reset debugfs register dumping support

  amdkfd:
   - CRIU support
   - SDMA queue fixes

  radeon:
   - UVD suspend fix
   - iMac backlight fix

  i915:
   - minimal parallel submission for execlists
   - DG2-G12 subplatform added
   - DG2 programming workarounds
   - DG2 accelerated migration support
   - flat CCS and CCS engine support for XeHP
   - initial small BAR support
   - drop fake LMEM support
   - ADL-N PCH support
   - bigjoiner updates
   - introduce VMA resources and async unbinding
   - register definitions cleanups
   - multi-FBC refactoring
   - DG1 OPROM over SPI support
   - ADL-N platform enabling
   - opregion mailbox #5 support
   - DP MST ESI improvements
   - drm device based logging
   - async flip optimisation for DG2
   - CPU arch abstraction fixes
   - improve GuC ADS init to work on aarch64
   - tweak TTM LRU priority hint
   - GuC 69.0.3 support
   - remove short term execbuf pins

  nouveau:
   - higher DP/eDP bitrates
   - backlight fixes

  msm:
   - dpu + dp support for sc8180x
   - dp support for sm8350
   - dpu + dsi support for qcm2290
   - 10nm dsi phy tuning support
   - bridge support for dp encoder
   - gpu support for additional 7c3 SKUs

  ingenic:
   - HDMI support for JZ4780
   - aux channel EDID support

  ast:
   - AST2600 support
   - add wide screen support
   - create DP/DVI connectors

  omapdrm:
   - fix implicit dma_buf fencing

  vc4:
   - add CSC + full range support
   - better display firmware handoff

  panfrost:
   - add initial dual-core GPU support

  stm:
   - new revision support
   - fb handover support

  mediatek:
   - transfer display binding document to yaml format.
   - add mt8195 display device binding.
   - allow commands to be sent during video mode.
   - add wait_for_event for crtc disable by cmdq.

  tegra:
   - YUV format support

  rcar-du:
   - LVDS support for M3-W+ (R8A77961)

  exynos:
   - BGR pixel format for FIMD device"

* tag 'drm-next-2022-03-24' of git://anongit.freedesktop.org/drm/drm: (1529 commits)
  drm/i915/display: Do not re-enable PSR after it was marked as not reliable
  drm/i915/display: Fix HPD short pulse handling for eDP
  drm/amdgpu: Use drm_mode_copy()
  drm/radeon: Use drm_mode_copy()
  drm/amdgpu: Use ternary operator in `vcn_v1_0_start()`
  drm/amdgpu: Remove pointless on stack mode copies
  drm/amd/pm: fix indenting in __smu_cmn_reg_print_error()
  drm/amdgpu/dc: fix typos in comments
  drm/amdgpu: fix typos in comments
  drm/amd/pm: fix typos in comments
  drm/amdgpu: Add stolen reserved memory for MI25 SRIOV.
  drm/amdgpu: Merge get_reserved_allocation to get_vbios_allocations.
  drm/amdkfd: evict svm bo worker handle error
  drm/amdgpu/vcn: fix vcn ring test failure in igt reload test
  drm/amdgpu: only allow secure submission on rings which support that
  drm/amdgpu: fixed the warnings reported by kernel test robot
  drm/amd/display: 3.2.177
  drm/amd/display: [FW Promotion] Release 0.0.108.0
  drm/amd/display: Add save/restore PANEL_PWRSEQ_REF_DIV2
  drm/amd/display: Wait for hubp read line for Pollock
  ...
2022-03-24 16:19:43 -07:00
Dmitry Baryshkov
168a0abf05 pinctrl: qcom-pmic-gpio: Add support for pm8450
PM8450 provides 4 GPIOs. Add a compatible entry for this GPIO block.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20220315091106.613153-1-dmitry.baryshkov@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-03-24 23:31:16 +01:00
Joel Stanley
6ed23c312a dt-bindings: pinctrl: aspeed: Update gfx node in example
The example needs updating to match the to be added yaml bindings for
the gfx node.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20220304000311.970267-2-joel@jms.id.au
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-03-24 23:26:52 +01:00
Linus Torvalds
52deda9551 Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton:
 "Various misc subsystems, before getting into the post-linux-next
  material.

  41 patches.

  Subsystems affected by this patch series: procfs, misc, core-kernel,
  lib, checkpatch, init, pipe, minix, fat, cgroups, kexec, kdump,
  taskstats, panic, kcov, resource, and ubsan"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (41 commits)
  Revert "ubsan, kcsan: Don't combine sanitizer with kcov on clang"
  kernel/resource: fix kfree() of bootmem memory again
  kcov: properly handle subsequent mmap calls
  kcov: split ioctl handling into locked and unlocked parts
  panic: move panic_print before kmsg dumpers
  panic: add option to dump all CPUs backtraces in panic_print
  docs: sysctl/kernel: add missing bit to panic_print
  taskstats: remove unneeded dead assignment
  kasan: no need to unset panic_on_warn in end_report()
  ubsan: no need to unset panic_on_warn in ubsan_epilogue()
  panic: unset panic_on_warn inside panic()
  docs: kdump: add scp example to write out the dump file
  docs: kdump: update description about sysfs file system support
  arm64: mm: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef
  x86/setup: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef
  riscv: mm: init: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef
  kexec: make crashk_res, crashk_low_res and crash_notes symbols always visible
  cgroup: use irqsave in cgroup_rstat_flush_locked().
  fat: use pointer to simple type in put_user()
  minix: fix bug when opening a file with O_DIRECT
  ...
2022-03-24 14:14:07 -07:00
Linus Torvalds
169e77764a Networking changes for 5.18.
Core
 ----
 
  - Introduce XDP multi-buffer support, allowing the use of XDP with
    jumbo frame MTUs and combination with Rx coalescing offloads (LRO).
 
  - Speed up netns dismantling (5x) and lower the memory cost a little.
    Remove unnecessary per-netns sockets. Scope some lists to a netns.
    Cut down RCU syncing. Use batch methods. Allow netdev registration
    to complete out of order.
 
  - Support distinguishing timestamp types (ingress vs egress) and
    maintaining them across packet scrubbing points (e.g. redirect).
 
  - Continue the work of annotating packet drop reasons throughout
    the stack.
 
  - Switch netdev error counters from an atomic to dynamically
    allocated per-CPU counters.
 
  - Rework a few preempt_disable(), local_irq_save() and busy waiting
    sections problematic on PREEMPT_RT.
 
  - Extend the ref_tracker to allow catching use-after-free bugs.
 
 BPF
 ---
 
  - Introduce "packing allocator" for BPF JIT images. JITed code is
    marked read only, and used to be allocated at page granularity.
    Custom allocator allows for more efficient memory use, lower
    iTLB pressure and prevents identity mapping huge pages from
    getting split.
 
  - Make use of BTF type annotations (e.g. __user, __percpu) to enforce
    the correct probe read access method, add appropriate helpers.
 
  - Convert the BPF preload to use light skeleton and drop
    the user-mode-driver dependency.
 
  - Allow XDP BPF_PROG_RUN test infra to send real packets, enabling
    its use as a packet generator.
 
  - Allow local storage memory to be allocated with GFP_KERNEL if called
    from a hook allowed to sleep.
 
  - Introduce fprobe (multi kprobe) to speed up mass attachment (arch
    bits to come later).
 
  - Add unstable conntrack lookup helpers for BPF by using the BPF
    kfunc infra.
 
  - Allow cgroup BPF progs to return custom errors to user space.
 
  - Add support for AF_UNIX iterator batching.
 
  - Allow iterator programs to use sleepable helpers.
 
  - Support JIT of add, and, or, xor and xchg atomic ops on arm64.
 
  - Add BTFGen support to bpftool which allows to use CO-RE in kernels
    without BTF info.
 
  - Large number of libbpf API improvements, cleanups and deprecations.
 
 Protocols
 ---------
 
  - Micro-optimize UDPv6 Tx, gaining up to 5% in test on dummy netdev.
 
  - Adjust TSO packet sizes based on min_rtt, allowing very low latency
    links (data centers) to always send full-sized TSO super-frames.
 
  - Make IPv6 flow label changes (AKA hash rethink) more configurable,
    via sysctl and setsockopt. Distinguish between server and client
    behavior.
 
  - VxLAN support to "collect metadata" devices to terminate only
    configured VNIs. This is similar to VLAN filtering in the bridge.
 
  - Support inserting IPv6 IOAM information to a fraction of frames.
 
  - Add protocol attribute to IP addresses to allow identifying where
    given address comes from (kernel-generated, DHCP etc.)
 
  - Support setting socket and IPv6 options via cmsg on ping6 sockets.
 
  - Reject mis-use of ECN bits in IP headers as part of DSCP/TOS.
    Define dscp_t and stop taking ECN bits into account in fib-rules.
 
  - Add support for locked bridge ports (for 802.1X).
 
  - tun: support NAPI for packets received from batched XDP buffs,
    doubling the performance in some scenarios.
 
  - IPv6 extension header handling in Open vSwitch.
 
  - Support IPv6 control message load balancing in bonding, prevent
    neighbor solicitation and advertisement from using the wrong port.
    Support NS/NA monitor selection similar to existing ARP monitor.
 
  - SMC
    - improve performance with TCP_CORK and sendfile()
    - support auto-corking
    - support TCP_NODELAY
 
  - MCTP (Management Component Transport Protocol)
    - add user space tag control interface
    - I2C binding driver (as specified by DMTF DSP0237)
 
  - Multi-BSSID beacon handling in AP mode for WiFi.
 
  - Bluetooth:
    - handle MSFT Monitor Device Event
    - add MGMT Adv Monitor Device Found/Lost events
 
  - Multi-Path TCP:
    - add support for the SO_SNDTIMEO socket option
    - lots of selftest cleanups and improvements
 
  - Increase the max PDU size in CAN ISOTP to 64 kB.
 
 Driver API
 ----------
 
  - Add HW counters for SW netdevs, a mechanism for devices which
    offload packet forwarding to report packet statistics back to
    software interfaces such as tunnels.
 
  - Select the default NIC queue count as a fraction of number of
    physical CPU cores, instead of hard-coding to 8.
 
  - Expose devlink instance locks to drivers. Allow device layer of
    drivers to use that lock directly instead of creating their own
    which always runs into ordering issues in devlink callbacks.
 
  - Add header/data split indication to guide user space enabling
    of TCP zero-copy Rx.
 
  - Allow configuring completion queue event size.
 
  - Refactor page_pool to enable fragmenting after allocation.
 
  - Add allocation and page reuse statistics to page_pool.
 
  - Improve Multiple Spanning Trees support in the bridge to allow
    reuse of topologies across VLANs, saving HW resources in switches.
 
  - DSA (Distributed Switch Architecture):
    - replay and offload of host VLAN entries
    - offload of static and local FDB entries on LAG interfaces
    - FDB isolation and unicast filtering
 
 New hardware / drivers
 ----------------------
 
  - Ethernet:
    - LAN937x T1 PHYs
    - Davicom DM9051 SPI NIC driver
    - Realtek RTL8367S, RTL8367RB-VB switch and MDIO
    - Microchip ksz8563 switches
    - Netronome NFP3800 SmartNICs
    - Fungible SmartNICs
    - MediaTek MT8195 switches
 
  - WiFi:
    - mt76: MediaTek mt7916
    - mt76: MediaTek mt7921u USB adapters
    - brcmfmac: Broadcom BCM43454/6
 
  - Mobile:
    - iosm: Intel M.2 7360 WWAN card
 
 Drivers
 -------
 
  - Convert many drivers to the new phylink API built for split PCS
    designs but also simplifying other cases.
 
  - Intel Ethernet NICs:
    - add TTY for GNSS module for E810T device
    - improve AF_XDP performance
    - GTP-C and GTP-U filter offload
    - QinQ VLAN support
 
  - Mellanox Ethernet NICs (mlx5):
    - support xdp->data_meta
    - multi-buffer XDP
    - offload tc push_eth and pop_eth actions
 
  - Netronome Ethernet NICs (nfp):
    - flow-independent tc action hardware offload (police / meter)
    - AF_XDP
 
  - Other Ethernet NICs:
    - at803x: fiber and SFP support
    - xgmac: mdio: preamble suppression and custom MDC frequencies
    - r8169: enable ASPM L1.2 if system vendor flags it as safe
    - macb/gem: ZynqMP SGMII
    - hns3: add TX push mode
    - dpaa2-eth: software TSO
    - lan743x: multi-queue, mdio, SGMII, PTP
    - axienet: NAPI and GRO support
 
  - Mellanox Ethernet switches (mlxsw):
    - source and dest IP address rewrites
    - RJ45 ports
 
  - Marvell Ethernet switches (prestera):
    - basic routing offload
    - multi-chain TC ACL offload
 
  - NXP embedded Ethernet switches (ocelot & felix):
    - PTP over UDP with the ocelot-8021q DSA tagging protocol
    - basic QoS classification on Felix DSA switch using dcbnl
    - port mirroring for ocelot switches
 
  - Microchip high-speed industrial Ethernet (sparx5):
    - offloading of bridge port flooding flags
    - PTP Hardware Clock
 
  - Other embedded switches:
    - lan966x: PTP Hardward Clock
    - qca8k: mdio read/write operations via crafted Ethernet packets
 
  - Qualcomm 802.11ax WiFi (ath11k):
    - add LDPC FEC type and 802.11ax High Efficiency data in radiotap
    - enable RX PPDU stats in monitor co-exist mode
 
  - Intel WiFi (iwlwifi):
    - UHB TAS enablement via BIOS
    - band disablement via BIOS
    - channel switch offload
    - 32 Rx AMPDU sessions in newer devices
 
  - MediaTek WiFi (mt76):
    - background radar detection
    - thermal management improvements on mt7915
    - SAR support for more mt76 platforms
    - MBSSID and 6 GHz band on mt7915
 
  - RealTek WiFi:
    - rtw89: AP mode
    - rtw89: 160 MHz channels and 6 GHz band
    - rtw89: hardware scan
 
  - Bluetooth:
    - mt7921s: wake on Bluetooth, SCO over I2S, wide-band-speed (WBS)
 
  - Microchip CAN (mcp251xfd):
    - multiple RX-FIFOs and runtime configurable RX/TX rings
    - internal PLL, runtime PM handling simplification
    - improve chip detection and error handling after wakeup
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Jakub Kicinski:
 "The sprinkling of SPI drivers is because we added a new one and Mark
  sent us a SPI driver interface conversion pull request.

  Core
  ----

   - Introduce XDP multi-buffer support, allowing the use of XDP with
     jumbo frame MTUs and combination with Rx coalescing offloads (LRO).

   - Speed up netns dismantling (5x) and lower the memory cost a little.
     Remove unnecessary per-netns sockets. Scope some lists to a netns.
     Cut down RCU syncing. Use batch methods. Allow netdev registration
     to complete out of order.

   - Support distinguishing timestamp types (ingress vs egress) and
     maintaining them across packet scrubbing points (e.g. redirect).

   - Continue the work of annotating packet drop reasons throughout the
     stack.

   - Switch netdev error counters from an atomic to dynamically
     allocated per-CPU counters.

   - Rework a few preempt_disable(), local_irq_save() and busy waiting
     sections problematic on PREEMPT_RT.

   - Extend the ref_tracker to allow catching use-after-free bugs.

  BPF
  ---

   - Introduce "packing allocator" for BPF JIT images. JITed code is
     marked read only, and used to be allocated at page granularity.
     Custom allocator allows for more efficient memory use, lower iTLB
     pressure and prevents identity mapping huge pages from getting
     split.

   - Make use of BTF type annotations (e.g. __user, __percpu) to enforce
     the correct probe read access method, add appropriate helpers.

   - Convert the BPF preload to use light skeleton and drop the
     user-mode-driver dependency.

   - Allow XDP BPF_PROG_RUN test infra to send real packets, enabling
     its use as a packet generator.

   - Allow local storage memory to be allocated with GFP_KERNEL if
     called from a hook allowed to sleep.

   - Introduce fprobe (multi kprobe) to speed up mass attachment (arch
     bits to come later).

   - Add unstable conntrack lookup helpers for BPF by using the BPF
     kfunc infra.

   - Allow cgroup BPF progs to return custom errors to user space.

   - Add support for AF_UNIX iterator batching.

   - Allow iterator programs to use sleepable helpers.

   - Support JIT of add, and, or, xor and xchg atomic ops on arm64.

   - Add BTFGen support to bpftool which allows to use CO-RE in kernels
     without BTF info.

   - Large number of libbpf API improvements, cleanups and deprecations.

  Protocols
  ---------

   - Micro-optimize UDPv6 Tx, gaining up to 5% in test on dummy netdev.

   - Adjust TSO packet sizes based on min_rtt, allowing very low latency
     links (data centers) to always send full-sized TSO super-frames.

   - Make IPv6 flow label changes (AKA hash rethink) more configurable,
     via sysctl and setsockopt. Distinguish between server and client
     behavior.

   - VxLAN support to "collect metadata" devices to terminate only
     configured VNIs. This is similar to VLAN filtering in the bridge.

   - Support inserting IPv6 IOAM information to a fraction of frames.

   - Add protocol attribute to IP addresses to allow identifying where
     given address comes from (kernel-generated, DHCP etc.)

   - Support setting socket and IPv6 options via cmsg on ping6 sockets.

   - Reject mis-use of ECN bits in IP headers as part of DSCP/TOS.
     Define dscp_t and stop taking ECN bits into account in fib-rules.

   - Add support for locked bridge ports (for 802.1X).

   - tun: support NAPI for packets received from batched XDP buffs,
     doubling the performance in some scenarios.

   - IPv6 extension header handling in Open vSwitch.

   - Support IPv6 control message load balancing in bonding, prevent
     neighbor solicitation and advertisement from using the wrong port.
     Support NS/NA monitor selection similar to existing ARP monitor.

   - SMC
      - improve performance with TCP_CORK and sendfile()
      - support auto-corking
      - support TCP_NODELAY

   - MCTP (Management Component Transport Protocol)
      - add user space tag control interface
      - I2C binding driver (as specified by DMTF DSP0237)

   - Multi-BSSID beacon handling in AP mode for WiFi.

   - Bluetooth:
      - handle MSFT Monitor Device Event
      - add MGMT Adv Monitor Device Found/Lost events

   - Multi-Path TCP:
      - add support for the SO_SNDTIMEO socket option
      - lots of selftest cleanups and improvements

   - Increase the max PDU size in CAN ISOTP to 64 kB.

  Driver API
  ----------

   - Add HW counters for SW netdevs, a mechanism for devices which
     offload packet forwarding to report packet statistics back to
     software interfaces such as tunnels.

   - Select the default NIC queue count as a fraction of number of
     physical CPU cores, instead of hard-coding to 8.

   - Expose devlink instance locks to drivers. Allow device layer of
     drivers to use that lock directly instead of creating their own
     which always runs into ordering issues in devlink callbacks.

   - Add header/data split indication to guide user space enabling of
     TCP zero-copy Rx.

   - Allow configuring completion queue event size.

   - Refactor page_pool to enable fragmenting after allocation.

   - Add allocation and page reuse statistics to page_pool.

   - Improve Multiple Spanning Trees support in the bridge to allow
     reuse of topologies across VLANs, saving HW resources in switches.

   - DSA (Distributed Switch Architecture):
      - replay and offload of host VLAN entries
      - offload of static and local FDB entries on LAG interfaces
      - FDB isolation and unicast filtering

  New hardware / drivers
  ----------------------

   - Ethernet:
      - LAN937x T1 PHYs
      - Davicom DM9051 SPI NIC driver
      - Realtek RTL8367S, RTL8367RB-VB switch and MDIO
      - Microchip ksz8563 switches
      - Netronome NFP3800 SmartNICs
      - Fungible SmartNICs
      - MediaTek MT8195 switches

   - WiFi:
      - mt76: MediaTek mt7916
      - mt76: MediaTek mt7921u USB adapters
      - brcmfmac: Broadcom BCM43454/6

   - Mobile:
      - iosm: Intel M.2 7360 WWAN card

  Drivers
  -------

   - Convert many drivers to the new phylink API built for split PCS
     designs but also simplifying other cases.

   - Intel Ethernet NICs:
      - add TTY for GNSS module for E810T device
      - improve AF_XDP performance
      - GTP-C and GTP-U filter offload
      - QinQ VLAN support

   - Mellanox Ethernet NICs (mlx5):
      - support xdp->data_meta
      - multi-buffer XDP
      - offload tc push_eth and pop_eth actions

   - Netronome Ethernet NICs (nfp):
      - flow-independent tc action hardware offload (police / meter)
      - AF_XDP

   - Other Ethernet NICs:
      - at803x: fiber and SFP support
      - xgmac: mdio: preamble suppression and custom MDC frequencies
      - r8169: enable ASPM L1.2 if system vendor flags it as safe
      - macb/gem: ZynqMP SGMII
      - hns3: add TX push mode
      - dpaa2-eth: software TSO
      - lan743x: multi-queue, mdio, SGMII, PTP
      - axienet: NAPI and GRO support

   - Mellanox Ethernet switches (mlxsw):
      - source and dest IP address rewrites
      - RJ45 ports

   - Marvell Ethernet switches (prestera):
      - basic routing offload
      - multi-chain TC ACL offload

   - NXP embedded Ethernet switches (ocelot & felix):
      - PTP over UDP with the ocelot-8021q DSA tagging protocol
      - basic QoS classification on Felix DSA switch using dcbnl
      - port mirroring for ocelot switches

   - Microchip high-speed industrial Ethernet (sparx5):
      - offloading of bridge port flooding flags
      - PTP Hardware Clock

   - Other embedded switches:
      - lan966x: PTP Hardward Clock
      - qca8k: mdio read/write operations via crafted Ethernet packets

   - Qualcomm 802.11ax WiFi (ath11k):
      - add LDPC FEC type and 802.11ax High Efficiency data in radiotap
      - enable RX PPDU stats in monitor co-exist mode

   - Intel WiFi (iwlwifi):
      - UHB TAS enablement via BIOS
      - band disablement via BIOS
      - channel switch offload
      - 32 Rx AMPDU sessions in newer devices

   - MediaTek WiFi (mt76):
      - background radar detection
      - thermal management improvements on mt7915
      - SAR support for more mt76 platforms
      - MBSSID and 6 GHz band on mt7915

   - RealTek WiFi:
      - rtw89: AP mode
      - rtw89: 160 MHz channels and 6 GHz band
      - rtw89: hardware scan

   - Bluetooth:
      - mt7921s: wake on Bluetooth, SCO over I2S, wide-band-speed (WBS)

   - Microchip CAN (mcp251xfd):
      - multiple RX-FIFOs and runtime configurable RX/TX rings
      - internal PLL, runtime PM handling simplification
      - improve chip detection and error handling after wakeup"

* tag 'net-next-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2521 commits)
  llc: fix netdevice reference leaks in llc_ui_bind()
  drivers: ethernet: cpsw: fix panic when interrupt coaleceing is set via ethtool
  ice: don't allow to run ice_send_event_to_aux() in atomic ctx
  ice: fix 'scheduling while atomic' on aux critical err interrupt
  net/sched: fix incorrect vlan_push_eth dest field
  net: bridge: mst: Restrict info size queries to bridge ports
  net: marvell: prestera: add missing destroy_workqueue() in prestera_module_init()
  drivers: net: xgene: Fix regression in CRC stripping
  net: geneve: add missing netlink policy and size for IFLA_GENEVE_INNER_PROTO_INHERIT
  net: dsa: fix missing host-filtered multicast addresses
  net/mlx5e: Fix build warning, detected write beyond size of field
  iwlwifi: mvm: Don't fail if PPAG isn't supported
  selftests/bpf: Fix kprobe_multi test.
  Revert "rethook: x86: Add rethook x86 implementation"
  Revert "arm64: rethook: Add arm64 rethook implementation"
  Revert "powerpc: Add rethook support"
  Revert "ARM: rethook: Add rethook arm implementation"
  netdevice: add missing dm_private kdoc
  net: bridge: mst: prevent NULL deref in br_mst_info_size()
  selftests: forwarding: Use same VRF for port and VLAN upper
  ...
2022-03-24 13:13:26 -07:00
Linus Torvalds
7403e6d826 VFIO updates for v5.18-rc1
- Introduce new device migration uAPI and implement device specific
    mlx5 vfio-pci variant driver supporting new protocol (Jason Gunthorpe,
    Yishai Hadas, Leon Romanovsky)
 
  - New HiSilicon acc vfio-pci variant driver, also supporting migration
    interface (Shameer Kolothum, Longfang Liu)
 
  - D3hot fixes for vfio-pci-core (Abhishek Sahu)
 
  - Document new vfio-pci variant driver acceptance criteria
    (Alex Williamson)
 
  - Fix UML build unresolved ioport_{un}map() functions
    (Alex Williamson)
 
  - Fix MAINTAINERS due to header movement (Lukas Bulwahn)
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Merge tag 'vfio-v5.18-rc1' of https://github.com/awilliam/linux-vfio

Pull VFIO updates from Alex Williamson:

 - Introduce new device migration uAPI and implement device specific
   mlx5 vfio-pci variant driver supporting new protocol (Jason
   Gunthorpe, Yishai Hadas, Leon Romanovsky)

 - New HiSilicon acc vfio-pci variant driver, also supporting migration
   interface (Shameer Kolothum, Longfang Liu)

 - D3hot fixes for vfio-pci-core (Abhishek Sahu)

 - Document new vfio-pci variant driver acceptance criteria
   (Alex Williamson)

 - Fix UML build unresolved ioport_{un}map() functions
   (Alex Williamson)

 - Fix MAINTAINERS due to header movement (Lukas Bulwahn)

* tag 'vfio-v5.18-rc1' of https://github.com/awilliam/linux-vfio: (31 commits)
  vfio-pci: Provide reviewers and acceptance criteria for variant drivers
  MAINTAINERS: adjust entry for header movement in hisilicon qm driver
  hisi_acc_vfio_pci: Use its own PCI reset_done error handler
  hisi_acc_vfio_pci: Add support for VFIO live migration
  crypto: hisilicon/qm: Set the VF QM state register
  hisi_acc_vfio_pci: Add helper to retrieve the struct pci_driver
  hisi_acc_vfio_pci: Restrict access to VF dev BAR2 migration region
  hisi_acc_vfio_pci: add new vfio_pci driver for HiSilicon ACC devices
  hisi_acc_qm: Move VF PCI device IDs to common header
  crypto: hisilicon/qm: Move few definitions to common header
  crypto: hisilicon/qm: Move the QM header to include/linux
  vfio/mlx5: Fix to not use 0 as NULL pointer
  PCI/IOV: Fix wrong kernel-doc identifier
  vfio/mlx5: Use its own PCI reset_done error handler
  vfio/pci: Expose vfio_pci_core_aer_err_detected()
  vfio/mlx5: Implement vfio_pci driver for mlx5 devices
  vfio/mlx5: Expose migration commands over mlx5 device
  vfio: Remove migration protocol v1 documentation
  vfio: Extend the device migration protocol with RUNNING_P2P
  vfio: Define device migration protocol v2
  ...
2022-03-24 12:35:59 -07:00
Arınç ÜNAL
f164935f6f dt-bindings: pinctrl: rt2880: add missing pin groups and functions
Add the missing pin groups:
jtag, wdt

Add the missing functions:
i2s, jtag, pcie refclk, pcie rst, pcm, spdif2, spdif3, wdt refclk, wdt rst

Sort pin groups and functions in alphabetical order. Fix a typo.

Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20220310140542.7483-1-arinc.unal@arinc9.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-03-24 20:14:26 +01:00
Linus Torvalds
1ebdbeb03e ARM:
- Proper emulation of the OSLock feature of the debug architecture
 
 - Scalibility improvements for the MMU lock when dirty logging is on
 
 - New VMID allocator, which will eventually help with SVA in VMs
 
 - Better support for PMUs in heterogenous systems
 
 - PSCI 1.1 support, enabling support for SYSTEM_RESET2
 
 - Implement CONFIG_DEBUG_LIST at EL2
 
 - Make CONFIG_ARM64_ERRATUM_2077057 default y
 
 - Reduce the overhead of VM exit when no interrupt is pending
 
 - Remove traces of 32bit ARM host support from the documentation
 
 - Updated vgic selftests
 
 - Various cleanups, doc updates and spelling fixes
 
 RISC-V:
 
 - Prevent KVM_COMPAT from being selected
 
 - Optimize __kvm_riscv_switch_to() implementation
 
 - RISC-V SBI v0.3 support
 
 s390:
 
 - memop selftest
 
 - fix SCK locking
 
 - adapter interruptions virtualization for secure guests
 
 - add Claudio Imbrenda as maintainer
 
 - first step to do proper storage key checking
 
 x86:
 
 - Continue switching kvm_x86_ops to static_call(); introduce
   static_call_cond() and __static_call_ret0 when applicable.
 
 - Cleanup unused arguments in several functions
 
 - Synthesize AMD 0x80000021 leaf
 
 - Fixes and optimization for Hyper-V sparse-bank hypercalls
 
 - Implement Hyper-V's enlightened MSR bitmap for nested SVM
 
 - Remove MMU auditing
 
 - Eager splitting of page tables (new aka "TDP" MMU only) when dirty
   page tracking is enabled
 
 - Cleanup the implementation of the guest PGD cache
 
 - Preparation for the implementation of Intel IPI virtualization
 
 - Fix some segment descriptor checks in the emulator
 
 - Allow AMD AVIC support on systems with physical APIC ID above 255
 
 - Better API to disable virtualization quirks
 
 - Fixes and optimizations for the zapping of page tables:
 
   - Zap roots in two passes, avoiding RCU read-side critical sections
     that last too long for very large guests backed by 4 KiB SPTEs.
 
   - Zap invalid and defunct roots asynchronously via concurrency-managed
     work queue.
 
   - Allowing yielding when zapping TDP MMU roots in response to the root's
     last reference being put.
 
   - Batch more TLB flushes with an RCU trick.  Whoever frees the paging
     structure now holds RCU as a proxy for all vCPUs running in the guest,
     i.e. to prolongs the grace period on their behalf.  It then kicks the
     the vCPUs out of guest mode before doing rcu_read_unlock().
 
 Generic:
 
 - Introduce __vcalloc and use it for very large allocations that
   need memcg accounting
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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:
   - Proper emulation of the OSLock feature of the debug architecture

   - Scalibility improvements for the MMU lock when dirty logging is on

   - New VMID allocator, which will eventually help with SVA in VMs

   - Better support for PMUs in heterogenous systems

   - PSCI 1.1 support, enabling support for SYSTEM_RESET2

   - Implement CONFIG_DEBUG_LIST at EL2

   - Make CONFIG_ARM64_ERRATUM_2077057 default y

   - Reduce the overhead of VM exit when no interrupt is pending

   - Remove traces of 32bit ARM host support from the documentation

   - Updated vgic selftests

   - Various cleanups, doc updates and spelling fixes

  RISC-V:
   - Prevent KVM_COMPAT from being selected

   - Optimize __kvm_riscv_switch_to() implementation

   - RISC-V SBI v0.3 support

  s390:
   - memop selftest

   - fix SCK locking

   - adapter interruptions virtualization for secure guests

   - add Claudio Imbrenda as maintainer

   - first step to do proper storage key checking

  x86:
   - Continue switching kvm_x86_ops to static_call(); introduce
     static_call_cond() and __static_call_ret0 when applicable.

   - Cleanup unused arguments in several functions

   - Synthesize AMD 0x80000021 leaf

   - Fixes and optimization for Hyper-V sparse-bank hypercalls

   - Implement Hyper-V's enlightened MSR bitmap for nested SVM

   - Remove MMU auditing

   - Eager splitting of page tables (new aka "TDP" MMU only) when dirty
     page tracking is enabled

   - Cleanup the implementation of the guest PGD cache

   - Preparation for the implementation of Intel IPI virtualization

   - Fix some segment descriptor checks in the emulator

   - Allow AMD AVIC support on systems with physical APIC ID above 255

   - Better API to disable virtualization quirks

   - Fixes and optimizations for the zapping of page tables:

      - Zap roots in two passes, avoiding RCU read-side critical
        sections that last too long for very large guests backed by 4
        KiB SPTEs.

      - Zap invalid and defunct roots asynchronously via
        concurrency-managed work queue.

      - Allowing yielding when zapping TDP MMU roots in response to the
        root's last reference being put.

      - Batch more TLB flushes with an RCU trick. Whoever frees the
        paging structure now holds RCU as a proxy for all vCPUs running
        in the guest, i.e. to prolongs the grace period on their behalf.
        It then kicks the the vCPUs out of guest mode before doing
        rcu_read_unlock().

  Generic:
   - Introduce __vcalloc and use it for very large allocations that need
     memcg accounting"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (246 commits)
  KVM: use kvcalloc for array allocations
  KVM: x86: Introduce KVM_CAP_DISABLE_QUIRKS2
  kvm: x86: Require const tsc for RT
  KVM: x86: synthesize CPUID leaf 0x80000021h if useful
  KVM: x86: add support for CPUID leaf 0x80000021
  KVM: x86: do not use KVM_X86_OP_OPTIONAL_RET0 for get_mt_mask
  Revert "KVM: x86/mmu: Zap only TDP MMU leafs in kvm_zap_gfn_range()"
  kvm: x86/mmu: Flush TLB before zap_gfn_range releases RCU
  KVM: arm64: fix typos in comments
  KVM: arm64: Generalise VM features into a set of flags
  KVM: s390: selftests: Add error memop tests
  KVM: s390: selftests: Add more copy memop tests
  KVM: s390: selftests: Add named stages for memop test
  KVM: s390: selftests: Add macro as abstraction for MEM_OP
  KVM: s390: selftests: Split memop tests
  KVM: s390x: fix SCK locking
  RISC-V: KVM: Implement SBI HSM suspend call
  RISC-V: KVM: Add common kvm_riscv_vcpu_wfi() function
  RISC-V: Add SBI HSM suspend related defines
  RISC-V: KVM: Implement SBI v0.3 SRST extension
  ...
2022-03-24 11:58:57 -07:00
Guilherme G. Piccoli
f953f140f3 panic: move panic_print before kmsg dumpers
The panic_print setting allows users to collect more information in a
panic event, like memory stats, tasks, CPUs backtraces, etc.  This is an
interesting debug mechanism, but currently the print event happens *after*
kmsg_dump(), meaning that pstore, for example, cannot collect a dmesg with
the panic_print extra information.

This patch changes that in 2 steps:

(a) The panic_print setting allows to replay the existing kernel log
    buffer to the console (bit 5), besides the extra information dump.
    This functionality makes sense only at the end of the panic()
    function.  So, we hereby allow to distinguish the two situations by a
    new boolean parameter in the function panic_print_sys_info().

(b) With the above change, we can safely call panic_print_sys_info()
    before kmsg_dump(), allowing to dump the extra information when using
    pstore or other kmsg dumpers.

The additional messages from panic_print could overwrite the oldest
messages when the buffer is full.  The only reasonable solution is to use
a large enough log buffer, hence we added an advice into the kernel
parameters documentation about that.

Link: https://lkml.kernel.org/r/20220214141308.841525-1-gpiccoli@igalia.com
Signed-off-by: Guilherme G. Piccoli <gpiccoli@igalia.com>
Acked-by: Baoquan He <bhe@redhat.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Feng Tang <feng.tang@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-03-23 19:00:35 -07:00
Guilherme G. Piccoli
8d470a45d1 panic: add option to dump all CPUs backtraces in panic_print
Currently the "panic_print" parameter/sysctl allows some interesting debug
information to be printed during a panic event.  This is useful for
example in cases the user cannot kdump due to resource limits, or if the
user collects panic logs in a serial output (or pstore) and prefers a fast
reboot instead of a kdump.

Happens that currently there's no way to see all CPUs backtraces in a
panic using "panic_print" on architectures that support that.  We do have
"oops_all_cpu_backtrace" sysctl, but although partially overlapping in the
functionality, they are orthogonal in nature: "panic_print" is a panic
tuning (and we have panics without oopses, like direct calls to panic() or
maybe other paths that don't go through oops_enter() function), and the
original purpose of "oops_all_cpu_backtrace" is to provide more
information on oopses for cases in which the users desire to continue
running the kernel even after an oops, i.e., used in non-panic scenarios.

So, we hereby introduce an additional bit for "panic_print" to allow
dumping the CPUs backtraces during a panic event.

Link: https://lkml.kernel.org/r/20211109202848.610874-3-gpiccoli@igalia.com
Signed-off-by: Guilherme G. Piccoli <gpiccoli@igalia.com>
Reviewed-by: Feng Tang <feng.tang@intel.com>
Cc: Iurii Zaikin <yzaikin@google.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-03-23 19:00:35 -07:00
Guilherme G. Piccoli
a1ff1de00d docs: sysctl/kernel: add missing bit to panic_print
Patch series "Some improvements on panic_print".

This is a mix of a documentation fix with some additions to the
"panic_print" syscall / parameter.  The goal here is being able to collect
all CPUs backtraces during a panic event and also to enable "panic_print"
in a kdump event - details of the reasoning and design choices in the
patches.

This patch (of 3):

Commit de6da1e8bc ("panic: add an option to replay all the printk
message in buffer") added a new bit to the sysctl/kernel parameter
"panic_print", but the documentation was added only in
kernel-parameters.txt, not in the sysctl guide.

Fix it here by adding bit 5 to sysctl admin-guide documentation.

[rdunlap@infradead.org: fix table format warning]
  Link: https://lkml.kernel.org/r/20220109055635.6999-1-rdunlap@infradead.org

Link: https://lkml.kernel.org/r/20211109202848.610874-1-gpiccoli@igalia.com
Link: https://lkml.kernel.org/r/20211109202848.610874-2-gpiccoli@igalia.com
Fixes: de6da1e8bc ("panic: add an option to replay all the printk message in buffer")
Signed-off-by: Guilherme G. Piccoli <gpiccoli@igalia.com>
Reviewed-by: Feng Tang <feng.tang@intel.com>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Iurii Zaikin <yzaikin@google.com>
Cc: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-03-23 19:00:35 -07:00
Tiezhu Yang
ae6694c1aa docs: kdump: add scp example to write out the dump file
Except cp and makedumpfile, add scp example to write out the dump file.

Link: https://lkml.kernel.org/r/1644324666-15947-3-git-send-email-yangtiezhu@loongson.cn
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Acked-by: Baoquan He <bhe@redhat.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Marco Elver <elver@google.com>
Cc: Xuefeng Li <lixuefeng@loongson.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-03-23 19:00:34 -07:00
Tiezhu Yang
b2377d4b94 docs: kdump: update description about sysfs file system support
Patch series "Update doc and fix some issues about kdump", v2.

This patch (of 5):

After commit 6a108a14fa ("kconfig: rename CONFIG_EMBEDDED to
CONFIG_EXPERT"), "Configure standard kernel features (for small
systems)" is not exist, we should use "Configure standard kernel
features (expert users)" now.

Link: https://lkml.kernel.org/r/1644324666-15947-1-git-send-email-yangtiezhu@loongson.cn
Link: https://lkml.kernel.org/r/1644324666-15947-2-git-send-email-yangtiezhu@loongson.cn
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Acked-by: Baoquan He <bhe@redhat.com>
Cc: Baoquan He <bhe@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Marco Elver <elver@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Xuefeng Li <lixuefeng@loongson.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-03-23 19:00:34 -07:00
Bjorn Helgaas
179fd6ba3b Documentation/sparse: add hints about __CHECKER__
Several attributes depend on __CHECKER__, but previously there was no
clue in the tree about when __CHECKER__ might be defined.  Add hints at
the most common places (__kernel, __user, __iomem, __bitwise) and in the
sparse documentation.

Link: https://lkml.kernel.org/r/20220310220927.245704-3-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: "Michael S . Tsirkin" <mst@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-03-23 19:00:33 -07:00
Linus Torvalds
ed4643521e ARM: DT updates for 5.18
After a somewhat quiet 5.17 release, the size of the DT changes
 is a bit larger again. There are nine new SoC that get added,
 all of them related to existing platforms:
 
  - Airoha (formerly Mediatek/EcoNet) EN7523 networking SoC and EVB
 
  - Mediatek mt6582 tablet platform with the Prestigio PMT5008 3G tablet
 
  - Microchip Lan966 networking SoC and it evaluation board
 
  - Qualcomm Snapdragon 625/632 midrange phone SoCs, with the
    LG Nexus 5X and Fairphone FP3 phones
 
  - Renesas RZ/G2LC and RZ/V2L general-purpose embedded SoCs,
    along with their evaluation boards
 
  - Samsung Exynos 850 phone SoC and reference board
 
  - Samsung Exynos7885 with the Samsung Galaxy A8 (2018) phone
 
  - Tesla FSD (Fully Self-Driving), an automotive SoC losely derived
    from the Samsung Exynos family.
 
  - TI K3/AM62 SoC and reference board
 
 Support for additional functionality in existing dts files is added all
 over the place: Samsung, Renesas, Mstar, wpcm450, OMAP, AT91, Allwinner,
 i.MX, Tegra, Aspeed, Oxnas, Qualcomm, Mediatek, and Broadcom.
 
 Samsung has a rework for its pinctrl schema that is a bit tricky and
 requires driver changes to be included here.
 
 A few more platforms only have smaller cleanups and DT Schema fixes,
 this includes SoCFPGA, ux500, ixp4xx, STi, Xilinx Zynq, LG, and Juno.
 
 The new machines are really too many to list, but I'll do it anyway:
 
  Allwinner:
    - A20-Marsboard development board
 
  Amlogic
   - Amediatek X96-AIR (Amlogic S905X3)
   - CYX A95XF3-AIR (Amlogic S905X3)
   - Haochuangy H96-Max (Amlogic S905X3)
   - Amlogic AQ222 (Amlogic S4)
   - OSMC Vero 4K+ (Amlogic S905D)
 
  Arm Juno
   - Separate DT depending on SCMI firmware version
 
  Aspeed:
   - Quanta S6Q BMC (AST2600)
   - ASRock ROMED8HM3 (AST2500)
 
  Broadcom:
   - Raspberry Pi Zero 2 W
 
  Marvell MVEBU/Armada:
   - Ctera C200 V1 NAS (kirkwood)
   - Ctera C200 V2 NAS (armada-370)
 
  Mstar
   - DongShanPiOne, a low-end embedded board
   - Miyoo Mini handheld game console
 
  NXP i.MX:
   - Numerous i.MX8M Mini based boards in even more variations, but
     none based on other SoCs this time:
     Protonic PRT8MM, emCON-MX8M Mini, Toradex Verdin, and
     Gateworks GW7903
 
  Qualcomm:
   - Google Herobrine R1 Chromebook platform (Snapdragon 7c Gen 3)
   - SHIFT6mq phone (Snapdragon 845)
   - Samsung Galaxy Book2 (Snapdragon 850)
   - Snapdragon 8 Gen 1 Hardware Development Kit
 
  TI OMAP:
   - SanCloud BeagleBone Enhanced WiFi
 
  Rockchip:
   - Pine64 PineNote ereader tablet (rk356x)
   - Bananapi-R2-Pro (rk356x)
 
  STM32:
   - emtrion emSBS-Argon embedded board (stm32mp157c)
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Merge tag 'arm-dt-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM devicetree updates from Arnd Bergmann:
 "After a somewhat quiet 5.17 release, the size of the DT changes is a
  bit larger again. There are nine new SoC that get added, all of them
  related to existing platforms:

   - Airoha (formerly Mediatek/EcoNet) EN7523 networking SoC and EVB

   - Mediatek mt6582 tablet platform with the Prestigio PMT5008 3G
     tablet

   - Microchip Lan966 networking SoC and it evaluation board

   - Qualcomm Snapdragon 625/632 midrange phone SoCs, with the LG Nexus
     5X and Fairphone FP3 phones

   - Renesas RZ/G2LC and RZ/V2L general-purpose embedded SoCs, along
     with their evaluation boards

   - Samsung Exynos 850 phone SoC and reference board

   - Samsung Exynos7885 with the Samsung Galaxy A8 (2018) phone

   - Tesla FSD (Fully Self-Driving), an automotive SoC loosely derived
     from the Samsung Exynos family.

   - TI K3/AM62 SoC and reference board

  Support for additional functionality in existing dts files is added
  all over the place: Samsung, Renesas, Mstar, wpcm450, OMAP, AT91,
  Allwinner, i.MX, Tegra, Aspeed, Oxnas, Qualcomm, Mediatek, and
  Broadcom.

  Samsung has a rework for its pinctrl schema that is a bit tricky and
  requires driver changes to be included here.

  A few more platforms only have smaller cleanups and DT Schema fixes,
  this includes SoCFPGA, ux500, ixp4xx, STi, Xilinx Zynq, LG, and Juno.

  The new machines are really too many to list, but I'll do it anyway:

  Allwinner:
   - A20-Marsboard development board

  Amlogic:
   - Amediatek X96-AIR (Amlogic S905X3)
   - CYX A95XF3-AIR (Amlogic S905X3)
   - Haochuangy H96-Max (Amlogic S905X3)
   - Amlogic AQ222 (Amlogic S4)
   - OSMC Vero 4K+ (Amlogic S905D)

  Arm Juno:
   - Separate DT depending on SCMI firmware version

  Aspeed:
   - Quanta S6Q BMC (AST2600)
   - ASRock ROMED8HM3 (AST2500)

  Broadcom:
   - Raspberry Pi Zero 2 W

  Marvell MVEBU/Armada:
   - Ctera C200 V1 NAS (kirkwood)
   - Ctera C200 V2 NAS (armada-370)

  Mstar:
   - DongShanPiOne, a low-end embedded board
   - Miyoo Mini handheld game console

  NXP i.MX:
   - Numerous i.MX8M Mini based boards in even more variations, but
    none based on other SoCs this time:
    Protonic PRT8MM, emCON-MX8M Mini, Toradex Verdin, and
    Gateworks GW7903

  Qualcomm:
   - Google Herobrine R1 Chromebook platform (Snapdragon 7c Gen 3)
   - SHIFT6mq phone (Snapdragon 845)
   - Samsung Galaxy Book2 (Snapdragon 850)
   - Snapdragon 8 Gen 1 Hardware Development Kit

  TI OMAP:
   - SanCloud BeagleBone Enhanced WiFi

  Rockchip:
   - Pine64 PineNote ereader tablet (rk356x)
   - Bananapi-R2-Pro (rk356x)

  STM32:
   - emtrion emSBS-Argon embedded board (stm32mp157c)"

* tag 'arm-dt-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (627 commits)
  arm64: dts: n5x: drop invalid property and fix edac node name
  arm64: dts: fsd: Add the MCT support
  arm64: dts: stingray: Fix spi clock name
  arm64: dts: ns2: Fix spi clock name
  ARM: dts: rockchip: Update regulator name for PX3
  ARM: dts: rockchip: Add #clock-cells value for rk805
  arm64: dts: rockchip: Add #clock-cells value for rk805
  arm64: dts: rockchip: Remove vcc13 and vcc14 for rk808
  arm64: dts: rockchip: Fix SDIO regulator supply properties on rk3399-firefly
  ARM: dts: at91: sama7g5: Add NAND support
  ARM: dts: at91: sama7g5: add eic node
  ARM: dts: at91: sama7g5: Remove unused properties in i2c nodes
  ARM: dts: at91: sam9x60ek: modify vdd_1v5 regulator to vdd_1v15
  arm64: dts: lg: align pl330 node name with dtschema
  arm64: dts: lg: add dma-cells to pl330 node
  arm64: dts: juno: align pl330 node name with dtschema
  arm64: dts: broadcom: Fix sata nodename
  arm64: dts: n5x: add sdr edac support
  arm64: dts: agilex/stratix10: add clock-names to USB DWC2 node
  dt-bindings: usb: dwc2: add disable-over-current
  ...
2022-03-23 18:37:22 -07:00
Linus Torvalds
b4bc93bd76 ARM driver updates for 5.18
There are a few separately maintained driver subsystems that we merge through
 the SoC tree, notable changes are:
 
  - Memory controller updates, mainly for Tegra and Mediatek SoCs,
    and clarifications for the memory controller DT bindings
 
  - SCMI firmware interface updates, in particular a new transport based
    on OPTEE and support for atomic operations.
 
  - Cleanups to the TEE subsystem, refactoring its memory management
 
 For SoC specific drivers without a separate subsystem, changes include
 
  - Smaller updates and fixes for TI, AT91/SAMA5, Qualcomm and NXP
    Layerscape SoCs.
 
  - Driver support for Microchip SAMA5D29, Tesla FSD, Renesas RZ/G2L,
    and Qualcomm SM8450.
 
  - Better power management on Mediatek MT81xx, NXP i.MX8MQ
    and older NVIDIA Tegra chips
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Merge tag 'arm-drivers-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM driver updates from Arnd Bergmann:
 "There are a few separately maintained driver subsystems that we merge
  through the SoC tree, notable changes are:

   - Memory controller updates, mainly for Tegra and Mediatek SoCs, and
     clarifications for the memory controller DT bindings

   - SCMI firmware interface updates, in particular a new transport
     based on OPTEE and support for atomic operations.

   - Cleanups to the TEE subsystem, refactoring its memory management

  For SoC specific drivers without a separate subsystem, changes include

   - Smaller updates and fixes for TI, AT91/SAMA5, Qualcomm and NXP
     Layerscape SoCs.

   - Driver support for Microchip SAMA5D29, Tesla FSD, Renesas RZ/G2L,
     and Qualcomm SM8450.

   - Better power management on Mediatek MT81xx, NXP i.MX8MQ and older
     NVIDIA Tegra chips"

* tag 'arm-drivers-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (154 commits)
  ARM: spear: fix typos in comments
  soc/microchip: fix invalid free in mpfs_sys_controller_delete
  soc: s4: Add support for power domains controller
  dt-bindings: power: add Amlogic s4 power domains bindings
  ARM: at91: add support in soc driver for new SAMA5D29
  soc: mediatek: mmsys: add sw0_rst_offset in mmsys driver data
  dt-bindings: memory: renesas,rpc-if: Document RZ/V2L SoC
  memory: emif: check the pointer temp in get_device_details()
  memory: emif: Add check for setup_interrupts
  dt-bindings: arm: mediatek: mmsys: add support for MT8186
  dt-bindings: mediatek: add compatible for MT8186 pwrap
  soc: mediatek: pwrap: add pwrap driver for MT8186 SoC
  soc: mediatek: mmsys: add mmsys reset control for MT8186
  soc: mediatek: mtk-infracfg: Disable ACP on MT8192
  soc: ti: k3-socinfo: Add AM62x JTAG ID
  soc: mediatek: add MTK mutex support for MT8186
  soc: mediatek: mmsys: add mt8186 mmsys routing table
  soc: mediatek: pm-domains: Add support for mt8186
  dt-bindings: power: Add MT8186 power domains
  soc: mediatek: pm-domains: Add support for mt8195
  ...
2022-03-23 18:23:13 -07:00
Linus Torvalds
baaa68a979 ARM: SoC updates for 5.18
SoC specific code is generally used for older platforms that don't (yet)
 use device tree to do the same things.
 
  - Support is added for i.MXRT10xx, a Cortex-M7 based microcontroller
    from NXP. At the moment this is still incomplete as other portions
    are merged through different trees.
 
  - Long abandoned support for running NOMMU ARMv4 or ARMv5 platforms
    gets removed, now the Arm NOMMU platforms are limited to the
    Cortex-M family of microcontrollers
 
  - Two old PXA boards get removed, along with corresponding driver
    bits.
 
  - Continued cleanup of the Intel IXP4xx platforms, removing some
    remnants of the old board files.
 
  - Minor Cleanups and fixes for Orion, PXA, MMP, Mstar, Samsung
 
  - CPU idle support for AT91
 
  - A system controller driver for Polarfire
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Merge tag 'arm-soc-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC updates from Arnd Bergmann:
 "SoC specific code is generally used for older platforms that don't
  (yet) use device tree to do the same things.

   - Support is added for i.MXRT10xx, a Cortex-M7 based microcontroller
     from NXP. At the moment this is still incomplete as other portions
     are merged through different trees.

   - Long abandoned support for running NOMMU ARMv4 or ARMv5 platforms
     gets removed, now the Arm NOMMU platforms are limited to the
     Cortex-M family of microcontrollers

   - Two old PXA boards get removed, along with corresponding driver
     bits.

   - Continued cleanup of the Intel IXP4xx platforms, removing some
     remnants of the old board files.

   - Minor Cleanups and fixes for Orion, PXA, MMP, Mstar, Samsung

   - CPU idle support for AT91

   - A system controller driver for Polarfire"

* tag 'arm-soc-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (29 commits)
  ARM: remove support for NOMMU ARMv4/v5
  ARM: PXA: fix up decompressor code
  soc: microchip: make mpfs_sys_controller_put static
  ARM: pxa: remove Intel Imote2 and Stargate 2 boards
  ARM: mmp: Fix failure to remove sram device
  ARM: mstar: Select ARM_ERRATA_814220
  soc: add microchip polarfire soc system controller
  ARM: at91: Kconfig: select PM_OPP
  ARM: at91: PM: add cpu idle support for sama7g5
  ARM: at91: ddr: fix typo to align with datasheet naming
  ARM: at91: ddr: align macro definitions
  ARM: at91: ddr: remove CONFIG_SOC_SAMA7 dependency
  ARM: ixp4xx: Convert to SPARSE_IRQ and P2V
  ARM: ixp4xx: Drop all common code
  ARM: ixp4xx: Drop custom DMA coherency and bouncing
  ARM: ixp4xx: Remove feature bit accessors
  net: ixp4xx_hss: Check features using syscon
  net: ixp4xx_eth: Drop platform data support
  soc: ixp4xx-npe: Access syscon regs using regmap
  soc: ixp4xx: Add features from regmap helper
  ...
2022-03-23 18:20:09 -07:00
Linus Torvalds
194dfe88d6 asm-generic updates for 5.18
There are three sets of updates for 5.18 in the asm-generic tree:
 
  - The set_fs()/get_fs() infrastructure gets removed for good. This
    was already gone from all major architectures, but now we can
    finally remove it everywhere, which loses some particularly
    tricky and error-prone code.
    There is a small merge conflict against a parisc cleanup, the
    solution is to use their new version.
 
  - The nds32 architecture ends its tenure in the Linux kernel. The
    hardware is still used and the code is in reasonable shape, but
    the mainline port is not actively maintained any more, as all
    remaining users are thought to run vendor kernels that would never
    be updated to a future release.
    There are some obvious conflicts against changes to the removed
    files.
 
  - A series from Masahiro Yamada cleans up some of the uapi header
    files to pass the compile-time checks.
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Merge tag 'asm-generic-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic

Pull asm-generic updates from Arnd Bergmann:
 "There are three sets of updates for 5.18 in the asm-generic tree:

   - The set_fs()/get_fs() infrastructure gets removed for good.

     This was already gone from all major architectures, but now we can
     finally remove it everywhere, which loses some particularly tricky
     and error-prone code. There is a small merge conflict against a
     parisc cleanup, the solution is to use their new version.

   - The nds32 architecture ends its tenure in the Linux kernel.

     The hardware is still used and the code is in reasonable shape, but
     the mainline port is not actively maintained any more, as all
     remaining users are thought to run vendor kernels that would never
     be updated to a future release.

   - A series from Masahiro Yamada cleans up some of the uapi header
     files to pass the compile-time checks"

* tag 'asm-generic-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: (27 commits)
  nds32: Remove the architecture
  uaccess: remove CONFIG_SET_FS
  ia64: remove CONFIG_SET_FS support
  sh: remove CONFIG_SET_FS support
  sparc64: remove CONFIG_SET_FS support
  lib/test_lockup: fix kernel pointer check for separate address spaces
  uaccess: generalize access_ok()
  uaccess: fix type mismatch warnings from access_ok()
  arm64: simplify access_ok()
  m68k: fix access_ok for coldfire
  MIPS: use simpler access_ok()
  MIPS: Handle address errors for accesses above CPU max virtual user address
  uaccess: add generic __{get,put}_kernel_nofault
  nios2: drop access_ok() check from __put_user()
  x86: use more conventional access_ok() definition
  x86: remove __range_not_ok()
  sparc64: add __{get,put}_kernel_nofault()
  nds32: fix access_ok() checks in get/put_user
  uaccess: fix nios2 and microblaze get_user_8()
  sparc64: fix building assembly files
  ...
2022-03-23 18:03:08 -07:00
Tom Rix
ada8d8d337 nvdimm/blk: Fix title level
make htmldocs fails with
Sphinx parallel build error:
docutils.utils.SystemMessage: ...nvdimm.rst:146:
  (SEVERE/4) Title level inconsistent:

PMEM-REGIONs, Atomic Sectors, and DAX
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

The PMEM vs BLK section was removed without changing
the PMEM-REGIONS... title line.  Replace '^' with '_'.

Fixes: f8669f1d6a ("nvdimm/blk: Delete the block-aperture window driver")
Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20220321220408.2381974-1-trix@redhat.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2022-03-23 17:52:33 -07:00
Nathan Chancellor
6b49f3409a dt-bindings: kbuild: Make DT_SCHEMA_LINT a recursive variable
A recent change added a warning when yamllint is not installed, as it is
needed for 'make dt_binding_check'. However, it also changed
DT_SCHEMA_LINT to be a simple make variable, which is evaluated when a
Makefile is evaluated. This causes a warning when running 'make clean',
as Documentation/devicetree/bindings/Makefile has a "clean-files"
variable:

  $ make -s clean
  which: no yamllint in (...)
  warning: python package 'yamllint' not installed, skipping

Make DT_SCHEMA_LINT a recursive variable so it is evaluated only when it
is used. The warning still triggers when 'make dt_binding_check' is run.

Fixes: b3e664a7f4 ("dt-bindings: kbuild: Print a warning if yamllint is not found")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220315202542.2071351-1-nathan@kernel.org
2022-03-23 18:10:00 -05:00
Rafał Miłecki
5db1c2dbc0 dt-bindings: nvmem: add U-Boot environment variables binding
U-Boot uses environment variables for storing device setup data. It
usually needs to be accessed by a bootloader, kernel and often
user-space.

This binding allows describing environment data located in a raw flash
partition. It's treated as NVMEM device and can be reused later for
other storage devices.

Using DT should be cleaner than hardcoding & duplicating such info in
multiple places. Bootloader & kernel can share DTS and user-space can
try reading it too or just have correct data exposed by a kernel.

A custom "compatible" string allows system to automatically load
relevant NVMEM driver but phandle can be also used for reading raw
location.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220228131250.16943-1-zajec5@gmail.com
2022-03-23 18:10:00 -05:00
Linus Torvalds
40037e4f8b sound updates for 5.18
It's been a fairly calm development cycle.  There are a few
 last-minute ALSA core fixes, most notably for covering PCM ioctl
 races, but the most of rest are device-specific changes.
 
 Below are some highlights:
 
 * ALSA core:
 - Fixes for PCM ioctl races that may lead to UAF
 - Fix for oversized allocations in PCM OSS layer
 
 * ASoC:
 - Start of moving SoF to support multiple IPC mechanisms
 - Use of NHLT ACPI table to reduce the amount of quirking required for
   Intel systems
 - Preliminary works forthcoming Intel AVS driver for legacy Intel DSP
   firmwares
 - Support for AMD PDM, Atmel PDMC, Awinic AW8738, i.MX cards with
   TLV320AIC31xx, Intel machines with CS35L41 and ESSX8336, Mediatek
   MT8181 wideband bluetooth, nVidia Tegra234, Qualcomm SC7280, Renesas
   RZ/V2L, Texas Instruments TAS585M
 
 * HD-audio:
 - Driver re-binding fix for HD-audio
 - Updates for Intel ADL and Tegra234, various platform quirks for
   Dell, HP, Lenovo, ASUS, Samsung and Clevo machines
 
 * USB-audio:
 - Quirk updates for Scarlett2, RODE, Corsair devices
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Merge tag 'sound-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "It's been a fairly calm development cycle. There are a few last-minute
  ALSA core fixes, most notably for covering PCM ioctl races, but the
  most of rest are device-specific changes.

  Below are some highlights:

  ALSA core:

   - Fixes for PCM ioctl races that may lead to UAF

   - Fix for oversized allocations in PCM OSS layer

  ASoC:

   - Start of moving SoF to support multiple IPC mechanisms

   - Use of NHLT ACPI table to reduce the amount of quirking required
     for Intel systems

   - Preliminary works forthcoming Intel AVS driver for legacy Intel DSP
     firmwares

   - Support for AMD PDM, Atmel PDMC, Awinic AW8738, i.MX cards with
     TLV320AIC31xx, Intel machines with CS35L41 and ESSX8336, Mediatek
     MT8181 wideband bluetooth, nVidia Tegra234, Qualcomm SC7280,
     Renesas RZ/V2L, Texas Instruments TAS585M

  HD-audio:

   - Driver re-binding fix for HD-audio

   - Updates for Intel ADL and Tegra234, various platform quirks for
     Dell, HP, Lenovo, ASUS, Samsung and Clevo machines

  USB-audio:

   - Quirk updates for Scarlett2, RODE, Corsair devices"

* tag 'sound-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (486 commits)
  ALSA: hda/realtek: Add alc256-samsung-headphone fixup
  ALSA: pci: fix reading of swapped values from pcmreg in AC97 codec
  ALSA: pcm: Add stream lock during PCM reset ioctl operations
  ALSA: pcm: Fix races among concurrent prealloc proc writes
  ALSA: pcm: Fix races among concurrent prepare and hw_params/hw_free calls
  ALSA: pcm: Fix races among concurrent read/write and buffer changes
  ALSA: pcm: Fix races among concurrent hw_params and hw_free calls
  ASoC: atmel: mchp-pdmc: print the correct property name
  MAINTAINERS: Add Shengjiu to maintainer list of sound/soc/fsl
  ASoC: SOF: Add a new dai_get_clk topology IPC op
  ASoC: SOF: topology: Add ops for setting up and tearing down pipelines
  ASoC: SOF: expose sof_route_setup()
  ASoC: SOF: Add dai_link_fixup PCM op for IPC3
  ASoC: SOF: Add trigger PCM op for IPC3
  ASoC: SOF: Define hw_params PCM op for IPC3
  ASoC: SOF: Introduce IPC3 PCM hw_free op
  ASoC: SOF: pcm: expose the sof_pcm_setup_connected_widgets() function
  ASoC: SOF: Introduce IPC-specific PCM ops
  ASoC: SOF: Add bytes_ext control IPC ops for IPC3
  ASoC: SOF: Add bytes_get/put control IPC ops for IPC3
  ...
2022-03-23 15:11:12 -07:00
Linus Torvalds
182966e1cd media updates for v5.18-rc1
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Merge tag 'media/v5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - a major reorg at platform Kconfig/Makefile files, organizing them per
   vendor. The other media Kconfig/Makefile files also sorted

 - New sensor drivers: hi847, isl7998x, ov08d10

 - New Amphion vpu decoder stateful driver

 - New Atmel microchip csi2dc driver

 - tegra-vde driver promoted from staging

 - atomisp: some fixes for it to work on BYT

 - imx7-mipi-csis driver promoted from staging and renamed

 - camss driver got initial support for VFE hardware version Titan 480

 - mtk-vcodec has gained support for MT8192

 - lots of driver changes, fixes and improvements

* tag 'media/v5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (417 commits)
  media: nxp: Restrict VIDEO_IMX_MIPI_CSIS to ARCH_MXC or COMPILE_TEST
  media: amphion: cleanup media device if register it fail
  media: amphion: fix some issues to improve robust
  media: amphion: fix some error related with undefined reference to __divdi3
  media: amphion: fix an issue that using pm_runtime_get_sync incorrectly
  media: vidtv: use vfree() for memory allocated with vzalloc()
  media: m5mols/m5mols.h: document new reset field
  media: pixfmt-yuv-planar.rst: fix PIX_FMT labels
  media: platform: Remove unnecessary print function dev_err()
  media: amphion: Add missing of_node_put() in vpu_core_parse_dt()
  media: mtk-vcodec: Add missing of_node_put() in mtk_vdec_hw_prob_done()
  media: platform: amphion: Fix build error without MAILBOX
  media: spi: Kconfig: Place SPI drivers on a single menu
  media: i2c: Kconfig: move camera drivers to the top
  media: atomisp: fix bad usage at error handling logic
  media: platform: rename mediatek/mtk-jpeg/ to mediatek/jpeg/
  media: media/*/Kconfig: sort entries
  media: Kconfig: cleanup VIDEO_DEV dependencies
  media: platform/*/Kconfig: make manufacturer menus more uniform
  media: platform: Create vendor/{Makefile,Kconfig} files
  ...
2022-03-23 14:51:35 -07:00
Linus Torvalds
9c4b86ebf5 fbdev fixes and updates for kernel v5.18-rc1
Lots of small fixes and code cleanups across most of the fbdev drivers.
 
 This includes conversions to use helper functions, const conversions, spelling
 fixes, help text updates, adding return value checks, small build fixes, and
 much more.
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Merge tag 'for-5.18/fbdev-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev

Pull fbdev updates from Helge Deller:
 "Lots of small fixes and code cleanups across most of the fbdev
  drivers.

  This includes conversions to use helper functions, const conversions,
  spelling fixes, help text updates, adding return value checks, small
  build fixes, and much more"

* tag 'for-5.18/fbdev-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev: (59 commits)
  video: fbdev: kyro: make read-only array ODValues static const
  video: fbdev: offb: fix warning comparing pointer to 0
  video: fbdev: omapfb: Add missing of_node_put() in dvic_probe_of
  video: fbdev: sm712fb: Fix crash in smtcfb_write()
  video: fbdev: s3c-fb: fix platform_get_irq.cocci warning
  video: fbdev: sm712fb: Fix crash in smtcfb_read()
  video: fbdev: via: check the return value of kstrdup()
  video: fbdev: au1100fb: Spelling s/palette/palette/
  video: fbdev: atari: Atari 2 bpp (STe) palette bugfix
  video: fbdev: atari: Remove unused atafb_setcolreg()
  video: fbdev: atari: Convert to standard round_up() helper
  video: fbdev: atari: Fix TT High video mode
  video: fbdev: udlfb: replace snprintf in show functions with sysfs_emit
  video: fbdev: omapfb: panel-tpo-td043mtea1: Use sysfs_emit() instead of snprintf()
  video: fbdev: omapfb: panel-dsi-cm: Use sysfs_emit() instead of snprintf()
  video: fbdev: omapfb: Use sysfs_emit() instead of snprintf()
  video: fbdev: s3c-fb: Use platform_get_irq() to get the interrupt
  video: fbdev: Fix wrong file path for pvr2fb.c in Kconfig help text
  video: fbdev: pxa3xx-gcu: Remove unnecessary print function dev_err()
  video: fbdev: pxa168fb: Remove unnecessary print function dev_err()
  ...
2022-03-23 14:45:01 -07:00