Commit Graph

7430 Commits

Author SHA1 Message Date
Linus Torvalds
71a5cc28e8 - Core Frameworks
- Add support for Software Nodes to MFD Core
    - Remove support for Device Properties from MFD Core
    - Use standard APIs in MFD Core
 
  - New Drivers
    - Add support for ROHM BD9576MUF and BD9573MUF PMICs
    - Add support for Netronix Embedded Controller, PWM and RTC
    - Add support for Actions Semi ATC260x PMICs and OnKey
 
  - New Device Support
    - Add support for DG1 PCIe Graphics Card to Intel PMT
    - Add support for ROHM BD71815 PMIC to ROHM BD71828
    - Add support for Tolino Shine 2 HD to Netronix Embedded Controller
    - Add support for AX10 BMC Secure Updates to Intel M10 BMC
 
  - Removed Device Support
    - Remove Arizona Extcon support from MFD
    - Remove ST-E AB8500 Power Supply code from MFD
    - Remove AB3100 altogether
 
  - New Functionality
    - Add support for SMBus and I2C modes to Dialog DA9063
    - Switch to using Software Nodes in Intel (various)
 
  - New/converted Device Tree bindings; rohm,bd71815-pmic, rohm,bd9576-pmic,
                                        netronix,ntxec, actions,atc260x,
 				       ricoh,rn5t618, qcom-pm8xxx
 
 - Fix-ups
    - Fix error handling/path; intel_pmt
    - Simplify code; rohm-bd718x7, ab8500-core, intel-m10-bmc
    - Trivial clean-ups (reordering, spelling); rohm-generic, rn5t618, max8997
    - Use correct data-type; db8500-prcmu
    - Remove superfluous code; lp87565, intel_quark_i2c_gpi, lpc_sch, twl
    - Use generic APIs/defines; lm3533-core, intel_quark_i2c_gpio
    - Regmap related fix-ups; intel-m10-bmc, sec-core
    - Reorder resource freeing during remove; intel_quark_i2c_gpio
    - Make table indexing more robust; intel_quark_i2c_gpio
    - Fix reference imbalances; arizona-irq
    - Staticify and (un)constify things; arizona-spi, stmpe, ene-kb3930,
                                         intel-lpss-acpi, intel-lpss-pci,
                                         atc260x-i2c, intel_quark_i2c_gpio
 
  - Bug Fixes
    - Fix incorrect (register) values; intel-m10-bmc
    - Kconfig related fixes; ABX500_CORE
    - Do not clear the Auto Reload Register; stm32-timers
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Merge tag 'mfd-next-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Core Framework:
   - Add support for Software Nodes to MFD Core
   - Remove support for Device Properties from MFD Core
   - Use standard APIs in MFD Core

  New Drivers:
   - Add support for ROHM BD9576MUF and BD9573MUF PMICs
   - Add support for Netronix Embedded Controller, PWM and RTC
   - Add support for Actions Semi ATC260x PMICs and OnKey

  New Device Support:
   - Add support for DG1 PCIe Graphics Card to Intel PMT
   - Add support for ROHM BD71815 PMIC to ROHM BD71828
   - Add support for Tolino Shine 2 HD to Netronix Embedded Controller
   - Add support for AX10 BMC Secure Updates to Intel M10 BMC

  Removed Device Support:
   - Remove Arizona Extcon support from MFD
   - Remove ST-E AB8500 Power Supply code from MFD
   - Remove AB3100 altogether

  New Functionality:
   - Add support for SMBus and I2C modes to Dialog DA9063
   - Switch to using Software Nodes in Intel (various)

  New/converted Device Tree bindings:
   - rohm bd71815-pmic, rohm bd9576-pmic, netronix ntxec, actions
     atc260x, ricoh rn5t618, qcom pm8xxx

- Fix-ups:
   - Fix error handling/path; intel_pmt
   - Simplify code; rohm-bd718x7, ab8500-core, intel-m10-bmc
   - Trivial clean-ups (reordering, spelling); rohm-generic, rn5t618,
     max8997
   - Use correct data-type; db8500-prcmu
   - Remove superfluous code; lp87565, intel_quark_i2c_gpi, lpc_sch, twl
   - Use generic APIs/defines; lm3533-core, intel_quark_i2c_gpio
   - Regmap related fix-ups; intel-m10-bmc, sec-core
   - Reorder resource freeing during remove; intel_quark_i2c_gpio
   - Make table indexing more robust; intel_quark_i2c_gpio
   - Fix reference imbalances; arizona-irq
   - Staticify and (un)constify things; arizona-spi, stmpe, ene-kb3930,
     intel-lpss-acpi, intel-lpss-pci, atc260x-i2c, intel_quark_i2c_gpio

  Bug Fixes:
   - Fix incorrect (register) values; intel-m10-bmc
   - Kconfig related fixes; ABX500_CORE
   - Do not clear the Auto Reload Register; stm32-timers"

* tag 'mfd-next-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (84 commits)
  mfd: intel-m10-bmc: Add support for MAX10 BMC Secure Updates
  Revert "mfd: max8997: Add of_compatible to Extcon and Charger mfd_cell"
  mfd: twl: Remove unused inline function twl4030charger_usb_en()
  dt-bindings: mfd: Convert pm8xxx bindings to yaml
  dt-bindings: mfd: Add compatible for pmk8350 rtc
  i2c: designware: Get rid of legacy platform data
  mfd: intel_quark_i2c_gpio: Convert I²C to use software nodes
  mfd: lpc_sch: Partially revert "Add support for Intel Quark X1000"
  mfd: arizona: Fix rumtime PM imbalance on error
  mfd: max8997: Replace 8998 with 8997
  mfd: core: Use acpi_find_child_device() for child devices lookup
  mfd: intel_quark_i2c_gpio: Don't play dirty trick with const
  mfd: intel_quark_i2c_gpio: Enable MSI interrupt
  mfd: intel_quark_i2c_gpio: Reuse BAR definitions for MFD cell indexing
  mfd: ntxec: Support for EC in Tolino Shine 2 HD
  mfd: stm32-timers: Avoid clearing auto reload register
  mfd: intel_quark_i2c_gpio: Replace I²C speeds with descriptive definitions
  mfd: intel_quark_i2c_gpio: Remove unused struct device member
  mfd: intel_quark_i2c_gpio: Unregister resources in reversed order
  mfd: Kconfig: ABX500_CORE should depend on ARCH_U8500
  ...
2021-04-28 15:59:13 -07:00
Linus Torvalds
68a32ba141 drm for 5.13-rc1
- printk fourcc modifier support added %p4cc
 
 core:
 - drm_crtc_commit_wait
 - atomic plane state helpers reworked for full state
 - dma-buf heaps API rework
 - edid: rework and improvements for displayid
 
 dp-mst:
  - better topology logging
 
 bridge:
 - Chipone ICN6211
 - Lontium LT8912B
 - anx7625 regulator support
 
 panel:
 - fix lt9611 4k panels handling
 
 simple-kms:
 - add plane state helpers
 
 ttm:
 - debugfs support
 - removal of unused sysfs
 - ignore signaled moved fences
 - ioremap buffer according to mem caching
 
 i915:
 - Alderlake S enablement
 - Conversion to dma_resv_locking
 - Bring back watchdog timeout support
 - legacy ioctl cleanups
 - add GEM TDDO and RFC process
 - DG1 LMEM preparation work
 - intel_display.c refactoring
 - Gen9/TGL PCH combination support
 - eDP MSO Support
 - multiple PSR instance support
 - Link training debug updates
 - Disable PSR2 support on JSL/EHL
 - DDR5/LPDDR5 support for bw calcs
 - LSPCON limited to gen9/10 platforms
 - HSW/BDW async flip/VTd corruption workaround
 = SAGV watermakr fixes
 - SNB hard hang on ring resume fix
 - Limit imported dma-buf size
 - move to use new tasklet API
 - refactor KBL/TGL/ADL-S display/gt steppings
 - refactoring legacy DP/HDMI, FB plane code out
 
 amdgpu:
 - uapi: add ioctl to query video capabilities
 - Iniital AMD Freesync HDMI support
 - Initial Adebaran support
 - 10bpc dithering improvements
 - DCN secure display support
 - Drop legacy IO BAR requirements
 - PCIE/S0ix/RAS/Prime/Reset fixes
 - Display ASSR support
 - SMU gfx busy queues for RV/PCO
 - Initial LTTPR display work
 
 amdkfd:
 - MMU notifier fixes
 - APU fixes
 
 radeon:
 - debugfs cleanps
 - fw error handling ifix
 - Flexible array cleanups
 
 msm:
 - big DSI phy/pll cleanup
 - sc7280 initial support
 - commong bandwidth scaling path
 - shrinker locking contention fixes
 - unpin/swap support for GEM objcets
 
 ast:
 - cursor plane handling reworked
 
 tegra:
 - don't register DP AUX channels before connectors
 
 zynqmp:
 - fix OOB struct padding memset
 
 gma500:
 - drop ttm and medfield support
 
 exynos:
 - request_irq cleanup function
 
 mediatek:
 - fine tune line time for EOTp
 - MT8192 dpi support
 - atomic crtc config updates
 - don't support HDMI connector creation
 
 mxsdb:
 - imx8mm support
 
 panfrost:
 -= MMU IRQ handling rework
 
 qxl:
 - locking fixes
 - resource deallocation changes
 
 sun4i:
 - add alpha properties to UI/VI layers
 
 vc4:
 - RPi4 CEC support
 
 vmwgfx:
 - doc cleanups
 
 arc:
 - moved to drm/tiny
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Merge tag 'drm-next-2021-04-28' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "The usual lots of work all over the place.

  i915 has gotten some Alderlake work and prelim DG1 code, along with a
  major locking rework over the GEM code, and brings back the property
  of timing out long running jobs using a watchdog. amdgpu has some
  Alderbran support (new GPU), freesync HDMI support along with a lot
  other fixes.

  Outside of the drm, there is a new printf specifier added which should
  have all the correct acks/sobs:

   - printk fourcc modifier support added %p4cc

  Summary:

  core:
   - drm_crtc_commit_wait
   - atomic plane state helpers reworked for full state
   - dma-buf heaps API rework
   - edid: rework and improvements for displayid

  dp-mst:
   - better topology logging

  bridge:
   - Chipone ICN6211
   - Lontium LT8912B
   - anx7625 regulator support

  panel:
   - fix lt9611 4k panels handling

  simple-kms:
   - add plane state helpers

  ttm:
   - debugfs support
   - removal of unused sysfs
   - ignore signaled moved fences
   - ioremap buffer according to mem caching

  i915:
   - Alderlake S enablement
   - Conversion to dma_resv_locking
   - Bring back watchdog timeout support
   - legacy ioctl cleanups
   - add GEM TDDO and RFC process
   - DG1 LMEM preparation work
   - intel_display.c refactoring
   - Gen9/TGL PCH combination support
   - eDP MSO Support
   - multiple PSR instance support
   - Link training debug updates
   - Disable PSR2 support on JSL/EHL
   - DDR5/LPDDR5 support for bw calcs
   - LSPCON limited to gen9/10 platforms
   - HSW/BDW async flip/VTd corruption workaround
   - SAGV watermark fixes
   - SNB hard hang on ring resume fix
   - Limit imported dma-buf size
   - move to use new tasklet API
   - refactor KBL/TGL/ADL-S display/gt steppings
   - refactoring legacy DP/HDMI, FB plane code out

  amdgpu:
   - uapi: add ioctl to query video capabilities
   - Iniital AMD Freesync HDMI support
   - Initial Adebaran support
   - 10bpc dithering improvements
   - DCN secure display support
   - Drop legacy IO BAR requirements
   - PCIE/S0ix/RAS/Prime/Reset fixes
   - Display ASSR support
   - SMU gfx busy queues for RV/PCO
   - Initial LTTPR display work

  amdkfd:
   - MMU notifier fixes
   - APU fixes

  radeon:
   - debugfs cleanps
   - fw error handling ifix
   - Flexible array cleanups

  msm:
   - big DSI phy/pll cleanup
   - sc7280 initial support
   - commong bandwidth scaling path
   - shrinker locking contention fixes
   - unpin/swap support for GEM objcets

  ast:
   - cursor plane handling reworked

  tegra:
   - don't register DP AUX channels before connectors

  zynqmp:
   - fix OOB struct padding memset

  gma500:
   - drop ttm and medfield support

  exynos:
   - request_irq cleanup function

  mediatek:
   - fine tune line time for EOTp
   - MT8192 dpi support
   - atomic crtc config updates
   - don't support HDMI connector creation

  mxsdb:
   - imx8mm support

  panfrost:
   - MMU IRQ handling rework

  qxl:
   - locking fixes
   - resource deallocation changes

  sun4i:
   - add alpha properties to UI/VI layers

  vc4:
   - RPi4 CEC support

  vmwgfx:
   - doc cleanups

  arc:
   - moved to drm/tiny"

* tag 'drm-next-2021-04-28' of git://anongit.freedesktop.org/drm/drm: (1390 commits)
  drm/ttm: Don't count pages in SG BOs against pages_limit
  drm/ttm: fix return value check
  drm/bridge: lt8912b: fix incorrect handling of of_* return values
  drm: bridge: fix LONTIUM use of mipi_dsi_() functions
  drm: bridge: fix ANX7625 use of mipi_dsi_() functions
  drm/amdgpu: page retire over debugfs mechanism
  drm/radeon: Fix a missing check bug in radeon_dp_mst_detect()
  drm/amd/display: Fix the Wunused-function warning
  drm/radeon/r600: Fix variables that are not used after assignment
  drm/amdgpu/smu7: fix CAC setting on TOPAZ
  drm/amd/display: Update DCN302 SR Exit Latency
  drm/amdgpu: enable ras eeprom on aldebaran
  drm/amdgpu: RAS harvest on driver load
  drm/amdgpu: add ras aldebaran ras eeprom driver
  drm/amd/pm: increase time out value when sending msg to SMU
  drm/amdgpu: add DMUB outbox event IRQ source define/complete/debug flag
  drm/amd/pm: add the callback to get vbios bootup values for vangogh
  drm/radeon: Fix size overflow
  drm/amdgpu: Fix size overflow
  drm/amdgpu: move mmhub ras_func init to ip specific file
  ...
2021-04-28 10:01:40 -07:00
Linus Torvalds
3aa139aa9f media updates for v5.13-rc1
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Merge tag 'media/v5.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - addition of a maintainer's profile for the media subsystem

 - addition of i.MX8 IP support

 - qcom/camss gained support for hardware version Titan 170

 - new RC keymaps

 - Lots of other improvements, cleanups and bug fixes

* tag 'media/v5.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (488 commits)
  media: coda: fix macroblocks count control usage
  media: rkisp1: params: fix wrong bits settings
  media: cedrus: Fix H265 status definitions
  media: meson-ge2d: fix rotation parameters
  media: v4l2-ctrls: fix reference to freed memory
  media: venus : hfi: add venus image info into smem
  media: venus: Fix internal buffer size calculations for v6.
  media: venus: helpers: keep max bandwidth when mbps exceeds the supported range
  media: venus: fix hw overload error log condition
  media: venus: core: correct firmware name for sm8250
  media: venus: core,pm: fix potential infinite loop
  media: venus: core: Fix kerneldoc warnings
  media: gscpa/stv06xx: fix memory leak
  media: cx25821: remove unused including <linux/version.h>
  media: staging: media/meson: remove redundant dev_err call
  media: adv7842: support 1 block EDIDs, fix clearing EDID
  media: adv7842: configure all pads
  media: allegro: change kernel-doc comment blocks to normal comments
  media: camss: ispif: Remove redundant dev_err call in msm_ispif_subdev_init()
  media: i2c: rdamc21: Fix warning on u8 cast
  ...
2021-04-28 09:24:36 -07:00
Linus Torvalds
57fa2369ab CFI on arm64 series for v5.13-rc1
- Clean up list_sort prototypes (Sami Tolvanen)
 
 - Introduce CONFIG_CFI_CLANG for arm64 (Sami Tolvanen)
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Merge tag 'cfi-v5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull CFI on arm64 support from Kees Cook:
 "This builds on last cycle's LTO work, and allows the arm64 kernels to
  be built with Clang's Control Flow Integrity feature. This feature has
  happily lived in Android kernels for almost 3 years[1], so I'm excited
  to have it ready for upstream.

  The wide diffstat is mainly due to the treewide fixing of mismatched
  list_sort prototypes. Other things in core kernel are to address
  various CFI corner cases. The largest code portion is the CFI runtime
  implementation itself (which will be shared by all architectures
  implementing support for CFI). The arm64 pieces are Acked by arm64
  maintainers rather than coming through the arm64 tree since carrying
  this tree over there was going to be awkward.

  CFI support for x86 is still under development, but is pretty close.
  There are a handful of corner cases on x86 that need some improvements
  to Clang and objtool, but otherwise works well.

  Summary:

   - Clean up list_sort prototypes (Sami Tolvanen)

   - Introduce CONFIG_CFI_CLANG for arm64 (Sami Tolvanen)"

* tag 'cfi-v5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  arm64: allow CONFIG_CFI_CLANG to be selected
  KVM: arm64: Disable CFI for nVHE
  arm64: ftrace: use function_nocfi for ftrace_call
  arm64: add __nocfi to __apply_alternatives
  arm64: add __nocfi to functions that jump to a physical address
  arm64: use function_nocfi with __pa_symbol
  arm64: implement function_nocfi
  psci: use function_nocfi for cpu_resume
  lkdtm: use function_nocfi
  treewide: Change list_sort to use const pointers
  bpf: disable CFI in dispatcher functions
  kallsyms: strip ThinLTO hashes from static functions
  kthread: use WARN_ON_FUNCTION_MISMATCH
  workqueue: use WARN_ON_FUNCTION_MISMATCH
  module: ensure __cfi_check alignment
  mm: add generic function_nocfi macro
  cfi: add __cficanonical
  add support for Clang CFI
2021-04-27 10:16:46 -07:00
Linus Torvalds
5469f160e6 Power management updates for 5.13-rc1
- Add idle states table for IceLake-D to the intel_idle driver and
    update IceLake-X C6 data in it (Artem Bityutskiy).
 
  - Fix the C7 idle state on Tegra114 in the tegra cpuidle driver and
    drop the unused do_idle() firmware call from it (Dmitry Osipenko).
 
  - Fix cpuidle-qcom-spm Kconfig entry (He Ying).
 
  - Fix handling of possible negative tick_nohz_get_next_hrtimer()
    return values of in cpuidle governors (Rafael Wysocki).
 
  - Add support for frequency-invariance to the ACPI CPPC cpufreq
    driver and update the frequency-invariance engine (FIE) to use it
    as needed (Viresh Kumar).
 
  - Simplify the default delay_us setting in the ACPI CPPC cpufreq
    driver (Tom Saeger).
 
  - Clean up frequency-related computations in the intel_pstate
    cpufreq driver (Rafael Wysocki).
 
  - Fix TBG parent setting for load levels in the armada-37xx
    cpufreq driver and drop the CPU PM clock .set_parent method for
    armada-37xx (Marek Behún).
 
  - Fix multiple issues in the armada-37xx cpufreq driver (Pali Rohár).
 
  - Fix handling of dev_pm_opp_of_cpumask_add_table() return values
    in cpufreq-dt to take the -EPROBE_DEFER one into acconut as
    appropriate (Quanyang Wang).
 
  - Fix format string in ia64-acpi-cpufreq (Sergei Trofimovich).
 
  - Drop the unused for_each_policy() macro from cpufreq (Shaokun
    Zhang).
 
  - Simplify computations in the schedutil cpufreq governor to avoid
    unnecessary overhead (Yue Hu).
 
  - Fix typos in the s5pv210 cpufreq driver (Bhaskar Chowdhury).
 
  - Fix cpufreq documentation links in Kconfig (Alexander Monakov).
 
  - Fix PCI device power state handling in pci_enable_device_flags()
    to avoid issuse in some cases when the device depends on an ACPI
    power resource (Rafael Wysocki).
 
  - Add missing documentation of pm_runtime_resume_and_get() (Alan
    Stern).
 
  - Add missing static inline stub for pm_runtime_has_no_callbacks()
    to pm_runtime.h and drop the unused try_to_freeze_nowarn()
    definition (YueHaibing).
 
  - Drop duplicate struct device declaration from pm.h and fix a
    structure type declaration in intel_rapl.h (Wan Jiabing).
 
  - Use dev_set_name() instead of an open-coded equivalent of it in
    the wakeup sources code and drop a redundant local variable
    initialization from it (Andy Shevchenko, Colin Ian King).
 
  - Use crc32 instead of md5 for e820 memory map integrity check
    during resume from hibernation on x86 (Chris von Recklinghausen).
 
  - Fix typos in comments in the system-wide and hibernation support
    code (Lu Jialin).
 
  - Modify the generic power domains (genpd) code to avoid resuming
    devices in the "prepare" phase of system-wide suspend and
    hibernation (Ulf Hansson).
 
  - Add Hygon Fam18h RAPL support to the intel_rapl power capping
    driver (Pu Wen).
 
  - Add MAINTAINERS entry for the dynamic thermal power management
    (DTPM) code (Daniel Lezcano).
 
  - Add devm variants of operating performance points (OPP) API
    functions and switch over some users of the OPP framework to
    the new resource-managed API (Yangtao Li and Dmitry Osipenko).
 
  - Update devfreq core:
 
    * Register devfreq devices as cooling devices on demand (Daniel
      Lezcano).
 
    * Add missing unlock opeation in devfreq_add_device() (Lukasz
      Luba).
 
    * Use the next frequency as resume_freq instead of the previous
      frequency when using the opp-suspend property (Dong Aisheng).
 
    * Check get_dev_status in devfreq_update_stats() (Dong Aisheng).
 
    * Fix set_freq path for the userspace governor in Kconfig (Dong
      Aisheng).
 
    * Remove invalid description of get_target_freq() (Dong Aisheng).
 
  - Update devfreq drivers:
 
    * imx8m-ddrc: Remove imx8m_ddrc_get_dev_status() and unneeded
      of_match_ptr() (Dong Aisheng, Fabio Estevam).
 
    * rk3399_dmc: dt-bindings: Add rockchip,pmu phandle and drop
      references to undefined symbols (Enric Balletbo i Serra, Gaël
      PORTAY).
 
    * rk3399_dmc: Use dev_err_probe() to simplify the code (Krzysztof
      Kozlowski).
 
    * imx-bus: Remove unneeded of_match_ptr() (Fabio Estevam).
 
  - Fix kernel-doc warnings in three places (Pierre-Louis Bossart).
 
  - Fix typo in the pm-graph utility code (Ricardo Ribalda).
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Merge tag 'pm-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates from Rafael Wysocki:
 "These add some new hardware support (for example, IceLake-D idle
  states in intel_idle), fix some issues (for example, the handling of
  negative "sleep length" values in cpuidle governors), add new
  functionality to the existing drivers (for example, scale-invariance
  support in the ACPI CPPC cpufreq driver) and clean up code all over.

  Specifics:

   - Add idle states table for IceLake-D to the intel_idle driver and
     update IceLake-X C6 data in it (Artem Bityutskiy).

   - Fix the C7 idle state on Tegra114 in the tegra cpuidle driver and
     drop the unused do_idle() firmware call from it (Dmitry Osipenko).

   - Fix cpuidle-qcom-spm Kconfig entry (He Ying).

   - Fix handling of possible negative tick_nohz_get_next_hrtimer()
     return values of in cpuidle governors (Rafael Wysocki).

   - Add support for frequency-invariance to the ACPI CPPC cpufreq
     driver and update the frequency-invariance engine (FIE) to use it
     as needed (Viresh Kumar).

   - Simplify the default delay_us setting in the ACPI CPPC cpufreq
     driver (Tom Saeger).

   - Clean up frequency-related computations in the intel_pstate cpufreq
     driver (Rafael Wysocki).

   - Fix TBG parent setting for load levels in the armada-37xx cpufreq
     driver and drop the CPU PM clock .set_parent method for armada-37xx
     (Marek Behún).

   - Fix multiple issues in the armada-37xx cpufreq driver (Pali Rohár).

   - Fix handling of dev_pm_opp_of_cpumask_add_table() return values in
     cpufreq-dt to take the -EPROBE_DEFER one into acconut as
     appropriate (Quanyang Wang).

   - Fix format string in ia64-acpi-cpufreq (Sergei Trofimovich).

   - Drop the unused for_each_policy() macro from cpufreq (Shaokun
     Zhang).

   - Simplify computations in the schedutil cpufreq governor to avoid
     unnecessary overhead (Yue Hu).

   - Fix typos in the s5pv210 cpufreq driver (Bhaskar Chowdhury).

   - Fix cpufreq documentation links in Kconfig (Alexander Monakov).

   - Fix PCI device power state handling in pci_enable_device_flags() to
     avoid issuse in some cases when the device depends on an ACPI power
     resource (Rafael Wysocki).

   - Add missing documentation of pm_runtime_resume_and_get() (Alan
     Stern).

   - Add missing static inline stub for pm_runtime_has_no_callbacks() to
     pm_runtime.h and drop the unused try_to_freeze_nowarn() definition
     (YueHaibing).

   - Drop duplicate struct device declaration from pm.h and fix a
     structure type declaration in intel_rapl.h (Wan Jiabing).

   - Use dev_set_name() instead of an open-coded equivalent of it in the
     wakeup sources code and drop a redundant local variable
     initialization from it (Andy Shevchenko, Colin Ian King).

   - Use crc32 instead of md5 for e820 memory map integrity check during
     resume from hibernation on x86 (Chris von Recklinghausen).

   - Fix typos in comments in the system-wide and hibernation support
     code (Lu Jialin).

   - Modify the generic power domains (genpd) code to avoid resuming
     devices in the "prepare" phase of system-wide suspend and
     hibernation (Ulf Hansson).

   - Add Hygon Fam18h RAPL support to the intel_rapl power capping
     driver (Pu Wen).

   - Add MAINTAINERS entry for the dynamic thermal power management
     (DTPM) code (Daniel Lezcano).

   - Add devm variants of operating performance points (OPP) API
     functions and switch over some users of the OPP framework to the
     new resource-managed API (Yangtao Li and Dmitry Osipenko).

   - Update devfreq core:

      * Register devfreq devices as cooling devices on demand (Daniel
        Lezcano).

      * Add missing unlock opeation in devfreq_add_device() (Lukasz
        Luba).

      * Use the next frequency as resume_freq instead of the previous
        frequency when using the opp-suspend property (Dong Aisheng).

      * Check get_dev_status in devfreq_update_stats() (Dong Aisheng).

      * Fix set_freq path for the userspace governor in Kconfig (Dong
        Aisheng).

      * Remove invalid description of get_target_freq() (Dong Aisheng).

   - Update devfreq drivers:

      * imx8m-ddrc: Remove imx8m_ddrc_get_dev_status() and unneeded
        of_match_ptr() (Dong Aisheng, Fabio Estevam).

      * rk3399_dmc: dt-bindings: Add rockchip,pmu phandle and drop
        references to undefined symbols (Enric Balletbo i Serra, Gaël
        PORTAY).

      * rk3399_dmc: Use dev_err_probe() to simplify the code (Krzysztof
        Kozlowski).

      * imx-bus: Remove unneeded of_match_ptr() (Fabio Estevam).

   - Fix kernel-doc warnings in three places (Pierre-Louis Bossart).

   - Fix typo in the pm-graph utility code (Ricardo Ribalda)"

* tag 'pm-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (74 commits)
  PM: wakeup: remove redundant assignment to variable retval
  PM: hibernate: x86: Use crc32 instead of md5 for hibernation e820 integrity check
  cpufreq: Kconfig: fix documentation links
  PM: wakeup: use dev_set_name() directly
  PM: runtime: Add documentation for pm_runtime_resume_and_get()
  cpufreq: intel_pstate: Simplify intel_pstate_update_perf_limits()
  cpufreq: armada-37xx: Fix module unloading
  cpufreq: armada-37xx: Remove cur_frequency variable
  cpufreq: armada-37xx: Fix determining base CPU frequency
  cpufreq: armada-37xx: Fix driver cleanup when registration failed
  clk: mvebu: armada-37xx-periph: Fix workaround for switching from L1 to L0
  clk: mvebu: armada-37xx-periph: Fix switching CPU freq from 250 Mhz to 1 GHz
  cpufreq: armada-37xx: Fix the AVS value for load L1
  clk: mvebu: armada-37xx-periph: remove .set_parent method for CPU PM clock
  cpufreq: armada-37xx: Fix setting TBG parent for load levels
  cpuidle: Fix ARM_QCOM_SPM_CPUIDLE configuration
  cpuidle: tegra: Remove do_idle firmware call
  cpuidle: tegra: Fix C7 idling state on Tegra114
  PM: sleep: fix typos in comments
  cpufreq: Remove unused for_each_policy macro
  ...
2021-04-26 15:10:25 -07:00
Linus Torvalds
37f00ab4a0 ARM: SoC drivers for v5.13
Updates for SoC specific drivers include a few subsystems that
 have their own maintainers but send them through the soc tree:
 
 TEE/OP-TEE:
  -  Add tracepoints around calls to secure world
 
 Memory controller drivers:
  - Minor fixes for Renesas, Exynos, Mediatek and Tegra platforms
  - Add debug statistics to Tegra20 memory controller
  - Update Tegra bindings and convert to dtschema
 
 ARM SCMI Firmware:
  - Support for modular SCMI protocols and vendor specific extensions
  - New SCMI IIO driver
  - Per-cpu DVFS
 
 The other driver changes are all from the platform maintainers
 directly and reflect the drivers that don't fit into any other
 subsystem as well as treewide changes for a particular platform.
 
 SoCFPGA:
  - Various cleanups contributed by Krzysztof Kozlowski
 
 Mediatek:
  - add MT8183 support to mutex driver
  - MMSYS: use per SoC array to describe the possible routing
  - add MMSYS support for MT8183 and MT8167
  - add support for PMIC wrapper with integrated arbiter
  - add support for MT8192/MT6873
 
 Tegra:
  - Bug fixes to PMC and clock drivers
 
 NXP/i.MX:
  - Update SCU power domain driver to keep console domain power on.
  - Add missing ADC1 power domain to SCU power domain driver.
  - Update comments for single global power domain in SCU power domain
    driver.
  - Add i.MX51/i.MX53 unique id support to i.MX SoC driver.
 
 NXP/FSL SoC driver updates for v5.13
  - Add ACPI support for RCPM driver
  - Use generic io{read,write} for QE drivers after performance optimized
    for PowerPC
  - Fix QBMAN probe to cleanup HW states correctly for kexec
  - Various cleanup and style fix for QBMAN/QE/GUTS drivers
 
 OMAP:
  - Preparation to use devicetree for genpd
  - ti-sysc needs iorange check improved when the interconnect target module
    has no control registers listed
  - ti-sysc needs to probe l4_wkup and l4_cfg interconnects first to avoid
    issues with missing resources and unnecessary deferred probe
  - ti-sysc debug option can now detect more devices
  - ti-sysc now warns if an old incomplete devicetree data is found as we
    now rely on it being complete for am3 and 4
  - soc init code needs to check for prcm and prm nodes for omap4/5 and dra7
  - omap-prm driver needs to enable autoidle retention support for omap4
  - omap5 clocks are missing gpmc and ocmc clock registers
  - pci-dra7xx now needs to use builtin_platform_driver instead of using
    builtin_platform_driver_probe for deferred probe to work
 
 Raspberry Pi:
  - Fix-up all RPi firmware drivers so as for unbind to happen in an
    orderly fashion
  - Support for RPi's PoE hat PWM bus
 
 Qualcomm
  - Improved detection for SCM calling conventions
  - Support for OEM specific wifi firmware path
  - Added drivers for SC7280/SM8350: RPMH, LLCC< AOSS QMP
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-drivers-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC driver updates from Arnd Bergmann:
 "Updates for SoC specific drivers include a few subsystems that have
  their own maintainers but send them through the soc tree:

  TEE/OP-TEE:
   - Add tracepoints around calls to secure world

  Memory controller drivers:
   - Minor fixes for Renesas, Exynos, Mediatek and Tegra platforms
   - Add debug statistics to Tegra20 memory controller
   - Update Tegra bindings and convert to dtschema

  ARM SCMI Firmware:
   - Support for modular SCMI protocols and vendor specific extensions
   - New SCMI IIO driver
   - Per-cpu DVFS

  The other driver changes are all from the platform maintainers
  directly and reflect the drivers that don't fit into any other
  subsystem as well as treewide changes for a particular platform.

  SoCFPGA:
   - Various cleanups contributed by Krzysztof Kozlowski

  Mediatek:
   - add MT8183 support to mutex driver
   - MMSYS: use per SoC array to describe the possible routing
   - add MMSYS support for MT8183 and MT8167
   - add support for PMIC wrapper with integrated arbiter
   - add support for MT8192/MT6873

  Tegra:
   - Bug fixes to PMC and clock drivers

  NXP/i.MX:
   - Update SCU power domain driver to keep console domain power on.
   - Add missing ADC1 power domain to SCU power domain driver.
   - Update comments for single global power domain in SCU power domain
     driver.
   - Add i.MX51/i.MX53 unique id support to i.MX SoC driver.

  NXP/FSL SoC driver updates for v5.13
   - Add ACPI support for RCPM driver
   - Use generic io{read,write} for QE drivers after performance
     optimized for PowerPC
   - Fix QBMAN probe to cleanup HW states correctly for kexec
   - Various cleanup and style fix for QBMAN/QE/GUTS drivers

  OMAP:
   - Preparation to use devicetree for genpd
   - ti-sysc needs iorange check improved when the interconnect target
     module has no control registers listed
   - ti-sysc needs to probe l4_wkup and l4_cfg interconnects first to
     avoid issues with missing resources and unnecessary deferred probe
   - ti-sysc debug option can now detect more devices
   - ti-sysc now warns if an old incomplete devicetree data is found as
     we now rely on it being complete for am3 and 4
   - soc init code needs to check for prcm and prm nodes for omap4/5 and
     dra7
   - omap-prm driver needs to enable autoidle retention support for
     omap4
   - omap5 clocks are missing gpmc and ocmc clock registers
   - pci-dra7xx now needs to use builtin_platform_driver instead of
     using builtin_platform_driver_probe for deferred probe to work

  Raspberry Pi:
   - Fix-up all RPi firmware drivers so as for unbind to happen in an
     orderly fashion
   - Support for RPi's PoE hat PWM bus

  Qualcomm
   - Improved detection for SCM calling conventions
   - Support for OEM specific wifi firmware path
   - Added drivers for SC7280/SM8350: RPMH, LLCC< AOSS QMP"

* tag 'arm-drivers-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (165 commits)
  soc: aspeed: fix a ternary sign expansion bug
  memory: mtk-smi: Add device-link between smi-larb and smi-common
  memory: samsung: exynos5422-dmc: handle clk_set_parent() failure
  memory: renesas-rpc-if: fix possible NULL pointer dereference of resource
  clk: socfpga: fix iomem pointer cast on 64-bit
  soc: aspeed: Adapt to new LPC device tree layout
  pinctrl: aspeed-g5: Adapt to new LPC device tree layout
  ipmi: kcs: aspeed: Adapt to new LPC DTS layout
  ARM: dts: Remove LPC BMC and Host partitions
  dt-bindings: aspeed-lpc: Remove LPC partitioning
  soc: fsl: enable acpi support in RCPM driver
  soc: qcom: mdt_loader: Detect truncated read of segments
  soc: qcom: mdt_loader: Validate that p_filesz < p_memsz
  soc: qcom: pdr: Fix error return code in pdr_register_listener
  firmware: qcom_scm: Fix kernel-doc function names to match
  firmware: qcom_scm: Suppress sysfs bind attributes
  firmware: qcom_scm: Workaround lack of "is available" call on SC7180
  firmware: qcom_scm: Reduce locking section for __get_convention()
  firmware: qcom_scm: Make __qcom_scm_is_call_available() return bool
  Revert "soc: fsl: qe: introduce qe_io{read,write}* wrappers"
  ...
2021-04-26 12:11:52 -07:00
Linus Torvalds
01d7136894 ARM: SoC changes for v5.13
Almost all SoC code changes this time are for the TI OMAP
 platform, which continues its decade-long quest to move from
 describing a complex SoC in code to device tree.
 
 Aside from this, the Uniphier platform has a new maintainer
 and some platforms have minor bugfixes and cleanups that were
 not urgent enough for v5.12.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-soc-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC updates from Arnd Bergmann:
 "Almost all SoC code changes this time are for the TI OMAP platform,
  which continues its decade-long quest to move from describing a
  complex SoC in code to device tree.

  Aside from this, the Uniphier platform has a new maintainer and some
  platforms have minor bugfixes and cleanups that were not urgent enough
  for v5.12"

* tag 'arm-soc-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (96 commits)
  MAINTAINERS: Update ARM/UniPhier SoCs maintainers and status
  mailmap: Update email address for Nicolas Saenz
  MAINTAINERS: Update BCM2711/BCM2335 maintainer's mail
  ARM: exynos: correct kernel doc in platsmp
  ARM: hisi: use the correct HiSilicon copyright
  ARM: ux500: make ux500_cpu_die static
  ARM: s3c: Use pwm_get() in favour of pwm_request() in RX1950
  ARM: OMAP1: fix incorrect kernel-doc comment syntax in file
  ARM: OMAP2+: fix incorrect kernel-doc comment syntax in file
  ARM: OMAP2+: Use DEFINE_SPINLOCK() for spinlock
  ARM: at91: pm: Move prototypes to mutually included header
  ARM: OMAP2+: use true and false for bool variable
  ARM: OMAP2+: add missing call to of_node_put()
  ARM: OMAP2+: Replace DEFINE_SIMPLE_ATTRIBUTE with DEFINE_DEBUGFS_ATTRIBUTE
  ARM: imx: Kconfig: Fix typo in help
  ARM: mach-imx: Fix a spelling in the file pm-imx5.c
  bus: ti-sysc: Warn about old dtb for dra7 and omap4/5
  ARM: OMAP2+: Stop building legacy code for dra7 and omap4/5
  ARM: OMAP2+: Drop legacy platform data for omap5 hwmod
  ARM: OMAP2+: Drop legacy platform data for omap5 l3
  ...
2021-04-26 11:48:26 -07:00
Rafael J. Wysocki
dd9f2ae924 Merge branch 'pm-cpufreq'
* pm-cpufreq: (22 commits)
  cpufreq: Kconfig: fix documentation links
  cpufreq: intel_pstate: Simplify intel_pstate_update_perf_limits()
  cpufreq: armada-37xx: Fix module unloading
  cpufreq: armada-37xx: Remove cur_frequency variable
  cpufreq: armada-37xx: Fix determining base CPU frequency
  cpufreq: armada-37xx: Fix driver cleanup when registration failed
  clk: mvebu: armada-37xx-periph: Fix workaround for switching from L1 to L0
  clk: mvebu: armada-37xx-periph: Fix switching CPU freq from 250 Mhz to 1 GHz
  cpufreq: armada-37xx: Fix the AVS value for load L1
  clk: mvebu: armada-37xx-periph: remove .set_parent method for CPU PM clock
  cpufreq: armada-37xx: Fix setting TBG parent for load levels
  cpufreq: Remove unused for_each_policy macro
  cpufreq: dt: dev_pm_opp_of_cpumask_add_table() may return -EPROBE_DEFER
  cpufreq: intel_pstate: Clean up frequency computations
  cpufreq: cppc: simplify default delay_us setting
  cpufreq: Rudimentary typos fix in the file s5pv210-cpufreq.c
  cpufreq: CPPC: Add support for frequency invariance
  ia64: fix format string for ia64-acpi-cpu-freq
  cpufreq: schedutil: Call sugov_update_next_freq() before check to fast_switch_enabled
  arch_topology: Export arch_freq_scale and helpers
  ...
2021-04-26 16:56:50 +02:00
Greg Kroah-Hartman
a00fcbc115 Linux 5.12-rc7
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Merge tag 'v5.12-rc7' into driver-core-next

We need the driver core fix in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-04-14 19:53:39 +02:00
Matti Vaittinen
42391f7e21 clk: bd718x7: Add support for clk gate on ROHM BD71815 PMIC
ROHM BD71815 also provide clk signal for RTC. Add control
for gating this clock.

Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-04-14 10:21:26 +01:00
Daniel Vetter
af8352f1ff Merge tag 'drm-msm-next-2021-04-11' of https://gitlab.freedesktop.org/drm/msm into drm-next
msm-next from Rob:
* Big DSI phy/pll cleanup. Includes some clk patches, acked by
  maintainer
* Initial support for sc7280
* compatibles fixes for sm8150/sm8250
* cleanups for all dpu gens to use same bandwidth scaling paths (\o/)
* various shrinker path lock contention optimizations
* unpin/swap support for GEM objects (disabled by default, enable with
  msm.enable_eviction=1 .. due to various combinations of iommu drivers
  with older gens I want to get more testing on hw I don't have in front
  of me before enabling by default)
* The usual assortment of misc fixes and cleanups

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
From: Rob Clark <robdclark@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGvL=4aw15qoY8fbKG9FCgnx8Y-dCtf7xiFwTQSHopwSQg@mail.gmail.com
2021-04-13 23:35:54 +02:00
Pali Rohár
e93033aff6 clk: mvebu: armada-37xx-periph: Fix workaround for switching from L1 to L0
When CPU frequency is at 250 MHz and set_rate() is called with 500 MHz (L1)
quickly followed by a call with 1 GHz (L0), the CPU does not necessarily
stay in L1 for at least 20ms as is required by Marvell errata.

This situation happens frequently with the ondemand cpufreq governor and
can be also reproduced with userspace governor. In most cases it causes CPU
to crash.

This change fixes the above issue and ensures that the CPU always stays in
L1 for at least 20ms when switching from any state to L0.

Signed-off-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Pali Rohár <pali@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Acked-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Tested-by: Tomasz Maciej Nowak <tmn505@gmail.com>
Tested-by: Anders Trier Olesen <anders.trier.olesen@gmail.com>
Tested-by: Philip Soares <philips@netisense.com>
Fixes: 61c40f35f5 ("clk: mvebu: armada-37xx-periph: Fix switching CPU rate from 300Mhz to 1.2GHz")
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
2021-04-09 15:17:33 +05:30
Pali Rohár
4decb91875 clk: mvebu: armada-37xx-periph: Fix switching CPU freq from 250 Mhz to 1 GHz
It was observed that the workaround introduced by commit 61c40f35f5
("clk: mvebu: armada-37xx-periph: Fix switching CPU rate from 300Mhz to
1.2GHz") when base CPU frequency is 1.2 GHz is also required when base
CPU frequency is 1 GHz. Otherwise switching CPU frequency directly from
L2 (250 MHz) to L0 (1 GHz) causes a crash.

When base CPU frequency is just 800 MHz no crashed were observed during
switch from L2 to L0.

Signed-off-by: Pali Rohár <pali@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Acked-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Tested-by: Tomasz Maciej Nowak <tmn505@gmail.com>
Tested-by: Anders Trier Olesen <anders.trier.olesen@gmail.com>
Tested-by: Philip Soares <philips@netisense.com>
Fixes: 2089dc33ea ("clk: mvebu: armada-37xx-periph: add DVFS support for cpu clocks")
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
2021-04-09 15:17:33 +05:30
Marek Behún
4e435a9dd2 clk: mvebu: armada-37xx-periph: remove .set_parent method for CPU PM clock
Remove the .set_parent method in clk_pm_cpu_ops.

This method was supposed to be needed by the armada-37xx-cpufreq driver,
but was never actually called due to wrong assumptions in the cpufreq
driver. After this was fixed in the cpufreq driver, this method is not
needed anymore.

Signed-off-by: Marek Behún <kabel@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Acked-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Tested-by: Pali Rohár <pali@kernel.org>
Tested-by: Tomasz Maciej Nowak <tmn505@gmail.com>
Tested-by: Anders Trier Olesen <anders.trier.olesen@gmail.com>
Tested-by: Philip Soares <philips@netisense.com>
Fixes: 2089dc33ea ("clk: mvebu: armada-37xx-periph: add DVFS support for cpu clocks")
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
2021-04-09 15:17:32 +05:30
Krzysztof Kozlowski
3684100805 clk: socfpga: fix iomem pointer cast on 64-bit
Pointers should be cast with uintptr_t instead of integer.  This fixes
warning when compile testing on ARM64:

  drivers/clk/socfpga/clk-gate.c: In function ‘socfpga_clk_recalc_rate’:
  drivers/clk/socfpga/clk-gate.c:102:7: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]

Fixes: b7cec13f08 ("clk: socfpga: Look for the GPIO_DB_CLK by its offset")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Acked-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-04-09 09:24:30 +02:00
Sami Tolvanen
4f0f586bf0 treewide: Change list_sort to use const pointers
list_sort() internally casts the comparison function passed to it
to a different type with constant struct list_head pointers, and
uses this pointer to call the functions, which trips indirect call
Control-Flow Integrity (CFI) checking.

Instead of removing the consts, this change defines the
list_cmp_func_t type and changes the comparison function types of
all list_sort() callers to use const pointers, thus avoiding type
mismatches.

Suggested-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Kees Cook <keescook@chromium.org>
Tested-by: Nick Desaulniers <ndesaulniers@google.com>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210408182843.1754385-10-samitolvanen@google.com
2021-04-08 16:04:22 -07:00
Arnd Bergmann
4be3f47e1b ARM SCMI updates for v5.13
The major and big addition this time is to support modularisation of
 individual SCMI protocols thus enabling to add support for vendors'
 custom SCMI protocol. This changes the interface provided by the SCMI
 driver to all the users of SCMI and hence involved changes in various
 other subsystem SCMI drivers. The change has been split with a bit of
 transient code to preserve bisectability and avoiding one big patch bomb
 changing all the users.
 
 This also includes SCMI IIO driver(pulled from IIO tree) and support for
 per-cpu DVFS.
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Merge tag 'scmi-updates-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/drivers

ARM SCMI updates for v5.13

The major and big addition this time is to support modularisation of
individual SCMI protocols thus enabling to add support for vendors'
custom SCMI protocol. This changes the interface provided by the SCMI
driver to all the users of SCMI and hence involved changes in various
other subsystem SCMI drivers. The change has been split with a bit of
transient code to preserve bisectability and avoiding one big patch bomb
changing all the users.

This also includes SCMI IIO driver(pulled from IIO tree) and support for
per-cpu DVFS.

* tag 'scmi-updates-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux: (41 commits)
  firmware: arm_scmi: Add dynamic scmi devices creation
  firmware: arm_scmi: Add protocol modularization support
  firmware: arm_scmi: Rename non devres notify_ops
  firmware: arm_scmi: Make notify_priv really private
  firmware: arm_scmi: Cleanup events registration transient code
  firmware: arm_scmi: Cleanup unused core transfer helper wrappers
  firmware: arm_scmi: Cleanup legacy protocol init code
  firmware: arm_scmi: Make references to handle const
  firmware: arm_scmi: Remove legacy scmi_voltage_ops protocol interface
  regulator: scmi: Port driver to the new scmi_voltage_proto_ops interface
  firmware: arm_scmi: Port voltage protocol to new protocols interface
  firmware: arm_scmi: Port systempower protocol to new protocols interface
  firmware: arm_scmi: Remove legacy scmi_sensor_ops protocol interface
  iio/scmi: Port driver to the new scmi_sensor_proto_ops interface
  hwmon: (scmi) port driver to the new scmi_sensor_proto_ops interface
  firmware: arm_scmi: Port sensor protocol to new protocols interface
  firmware: arm_scmi: Remove legacy scmi_reset_ops protocol interface
  reset: reset-scmi: Port driver to the new scmi_reset_proto_ops interface
  firmware: arm_scmi: Port reset protocol to new protocols interface
  firmware: arm_scmi: Remove legacy scmi_clk_ops protocol interface
  ...

Link: https://lore.kernel.org/r/20210331100657.ilu63i4swnr3zp4e@bogus
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-04-08 17:38:20 +02:00
Dmitry Baryshkov
50ce6826a4 clk: fixed: fix double free in resource managed fixed-factor clock
devm_clk_hw_register_fixed_factor_release(), the release function for
the devm_clk_hw_register_fixed_factor(), calls
clk_hw_unregister_fixed_factor(), which will kfree() the clock. However
after that the devres functions will also kfree the allocated data,
resulting in double free/memory corruption. Just call
clk_hw_unregister() instead, leaving kfree() to devres code.

Reported-by: Rob Clark <robdclark@chromium.org>
Cc: Daniel Palmer <daniel@0x0f.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210406230606.3007138-1-dmitry.baryshkov@linaro.org
Fixes: 0b9266d295 ("clk: fixed: add devm helper for clk_hw_register_fixed_factor()")
[sboyd@kernel.org: Remove ugly cast]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-04-07 16:01:25 -07:00
Dmitry Baryshkov
b3084079c1 clk: mux: provide devm_clk_hw_register_mux()
Add devm_clk_hw_register_mux() - devres-managed version of
clk_hw_register_mux().

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20210331105735.3690009-2-dmitry.baryshkov@linaro.org
Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-04-07 11:05:44 -07:00
Greg Kroah-Hartman
b20e829390 Merge 5.12-rc6 into driver-core-next
We need the driver core fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-04-05 08:51:37 +02:00
Lukasz Bartosik
7045465500 clk: fix invalid usage of list cursor in unregister
Fix invalid usage of a list_for_each_entry cursor in
clk_notifier_unregister(). When list is empty or if the list
is completely traversed (without breaking from the loop on one
of the entries) then the list cursor does not point to a valid
entry and therefore should not be used. The patch fixes a logical
bug that hasn't been seen in pratice however it is analogus
to the bug fixed in clk_notifier_register().

The issue was dicovered when running 5.12-rc1 kernel on x86_64
with KASAN enabled:
BUG: KASAN: global-out-of-bounds in clk_notifier_register+0xab/0x230
Read of size 8 at addr ffffffffa0d10588 by task swapper/0/1

CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.12.0-rc1 #1
Hardware name: Google Caroline/Caroline,
BIOS Google_Caroline.7820.430.0 07/20/2018
Call Trace:
 dump_stack+0xee/0x15c
 print_address_description+0x1e/0x2dc
 kasan_report+0x188/0x1ce
 ? clk_notifier_register+0xab/0x230
 ? clk_prepare_lock+0x15/0x7b
 ? clk_notifier_register+0xab/0x230
 clk_notifier_register+0xab/0x230
 dw8250_probe+0xc01/0x10d4
 ...
 Memory state around the buggy address:
  ffffffffa0d10480: 00 00 00 00 00 03 f9 f9 f9 f9 f9 f9 00 00 00 00
  ffffffffa0d10500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f9 f9
 >ffffffffa0d10580: f9 f9 f9 f9 00 00 00 00 00 00 00 00 00 00 00 00
                          ^
  ffffffffa0d10600: 00 00 00 00 00 00 f9 f9 f9 f9 f9 f9 00 00 00 00
  ffffffffa0d10680: 00 00 00 00 00 00 00 00 f9 f9 f9 f9 00 00 00 00
  ==================================================================

Fixes: b2476490ef ("clk: introduce the common clock framework")
Reported-by: Lukasz Majczak <lma@semihalf.com>
Signed-off-by: Lukasz Bartosik <lb@semihalf.com>
Link: https://lore.kernel.org/r/20210401225149.18826-2-lb@semihalf.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-04-02 23:56:14 -07:00
Lukasz Bartosik
8d3c0c01cb clk: fix invalid usage of list cursor in register
Fix invalid usage of a list_for_each_entry cursor in
clk_notifier_register(). When list is empty or if the list
is completely traversed (without breaking from the loop on one
of the entries) then the list cursor does not point to a valid
entry and therefore should not be used.

The issue was dicovered when running 5.12-rc1 kernel on x86_64
with KASAN enabled:
BUG: KASAN: global-out-of-bounds in clk_notifier_register+0xab/0x230
Read of size 8 at addr ffffffffa0d10588 by task swapper/0/1

CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.12.0-rc1 #1
Hardware name: Google Caroline/Caroline,
BIOS Google_Caroline.7820.430.0 07/20/2018
Call Trace:
 dump_stack+0xee/0x15c
 print_address_description+0x1e/0x2dc
 kasan_report+0x188/0x1ce
 ? clk_notifier_register+0xab/0x230
 ? clk_prepare_lock+0x15/0x7b
 ? clk_notifier_register+0xab/0x230
 clk_notifier_register+0xab/0x230
 dw8250_probe+0xc01/0x10d4
...
Memory state around the buggy address:
 ffffffffa0d10480: 00 00 00 00 00 03 f9 f9 f9 f9 f9 f9 00 00 00 00
 ffffffffa0d10500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f9 f9
>ffffffffa0d10580: f9 f9 f9 f9 00 00 00 00 00 00 00 00 00 00 00 00
                      ^
 ffffffffa0d10600: 00 00 00 00 00 00 f9 f9 f9 f9 f9 f9 00 00 00 00
 ffffffffa0d10680: 00 00 00 00 00 00 00 00 f9 f9 f9 f9 00 00 00 00
 ==================================================================

Fixes: b2476490ef ("clk: introduce the common clock framework")
Reported-by: Lukasz Majczak <lma@semihalf.com>
Signed-off-by: Lukasz Bartosik <lb@semihalf.com>
Link: https://lore.kernel.org/r/20210401225149.18826-1-lb@semihalf.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-04-02 23:56:14 -07:00
Arnd Bergmann
ba87f2009e SoCFPGA updates for v5.13
- Patches from Krzysztof Kozlowski the cleans up and consolidate support for
   SoCFPGA platforms
 	- Rename ARCH_SOCFPGA into ARCH_INTEL_SOCFPGA
 	- Consolidate ARCH_STRATIX10 into ARCH_INTEL_SOCFPGA
 	- Consolidate ARCH_AGILEX into ARCH_INTEL_SOCFPGA
 	- Consolidate ARCH_N5X into ARCH_INTEL_SOCFPGA
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Merge tag 'socfpga_update_for_v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux into arm/drivers

SoCFPGA updates for v5.13
- Patches from Krzysztof Kozlowski the cleans up and consolidate support for
  SoCFPGA platforms
	- Rename ARCH_SOCFPGA into ARCH_INTEL_SOCFPGA
	- Consolidate ARCH_STRATIX10 into ARCH_INTEL_SOCFPGA
	- Consolidate ARCH_AGILEX into ARCH_INTEL_SOCFPGA
	- Consolidate ARCH_N5X into ARCH_INTEL_SOCFPGA

* tag 'socfpga_update_for_v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux:
  ARM: socfpga: drop ARCH_SOCFPGA
  reset: socfpga: use ARCH_INTEL_SOCFPGA also for 32-bit ARM SoCs
  i2c: altera: use ARCH_INTEL_SOCFPGA also for 32-bit ARM SoCs
  fpga: altera: use ARCH_INTEL_SOCFPGA also for 32-bit ARM SoCs
  dmaengine: socfpga: use ARCH_INTEL_SOCFPGA also for 32-bit ARM SoCs
  clk: socfpga: use ARCH_INTEL_SOCFPGA also for 32-bit ARM SoCs (and compile test)
  clk: socfpga: allow compile testing of Stratix 10 / Agilex clocks
  arm64: socfpga: merge Agilex and N5X into ARCH_INTEL_SOCFPGA
  EDAC: altera: merge ARCH_SOCFPGA and ARCH_STRATIX10
  clk: socfpga: merge ARCH_SOCFPGA and ARCH_STRATIX10
  clk: socfpga: build together Stratix 10, Agilex and N5X clock drivers
  net: stmmac: merge ARCH_SOCFPGA and ARCH_STRATIX10
  mfd: altera: merge ARCH_SOCFPGA and ARCH_STRATIX10
  ARM: socfpga: introduce common ARCH_INTEL_SOCFPGA
  clk: socfpga: allow building N5X clocks with ARCH_N5X

Link: https://lore.kernel.org/r/20210330110430.558182-1-dinguyen@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-04-01 22:20:08 +02:00
Arnd Bergmann
16320d7fe7 clk: tegra: Changes for v5.13-rc1
This adds PLLE HW sequencer support which is necessary for USB sleepwalk
 functionality.
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Merge tag 'tegra-for-5.13-clk' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/drivers

clk: tegra: Changes for v5.13-rc1

This adds PLLE HW sequencer support which is necessary for USB sleepwalk
functionality.

* tag 'tegra-for-5.13-clk' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  clk: tegra: Don't enable PLLE HW sequencer at init
  clk: tegra: Add PLLE HW power sequencer control

Link: https://lore.kernel.org/r/20210401172622.3352990-2-thierry.reding@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-04-01 21:14:01 +02:00
Arnd Bergmann
1d79dca631 Driver changes for omaps for genpd support for v5.13
In order to move omap4/5 and dra7 to probe with devicetree data and genpd,
 we need to patch the related drivers to prepare.
 
 These are mostly ti-sysc interconnect target module driver changes and soc
 init changes. However, there are minor changes to other drivers too. There
 are changes for pci-dra7xx probe, omap-prm idle configuration, and a omap5
 clock change:
 
 - ti-sysc needs iorange check improved when the interconnect target module
   has no control registers listed
 
 - ti-sysc needs to probe l4_wkup and l4_cfg interconnects first to avoid
   issues with missing resources and unnecessary deferred probe
 
 - ti-sysc debug option can now detect more devices
 
 - ti-sysc now warns if an old incomplete devicetree data is found as we
   now rely on it being complete for am3 and 4
 
 - soc init code needs to check for prcm and prm nodes for omap4/5 and
   dra7
 
 - omap-prm driver needs to enable autoidle retention support for omap4
 
 - omap5 clocks are missing gpmc and ocmc clock registers
 
 - pci-dra7xx now needs to use builtin_platform_driver instead of using
   builtin_platform_driver_probe for deferred probe to work
 
 There are also few minor non-urgent fixes:
 
 - soc init code pdata_quirks_init_clocks should be static
 
 - ti-sysc has few unneeded semiconon typos
 
 - ti-sysc can use kzalloc instead of kcalloc for a single element
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Merge tag 'omap-for-v5.13/ti-sysc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/drivers

Driver changes for omaps for genpd support for v5.13

In order to move omap4/5 and dra7 to probe with devicetree data and genpd,
we need to patch the related drivers to prepare.

These are mostly ti-sysc interconnect target module driver changes and soc
init changes. However, there are minor changes to other drivers too. There
are changes for pci-dra7xx probe, omap-prm idle configuration, and a omap5
clock change:

- ti-sysc needs iorange check improved when the interconnect target module
  has no control registers listed

- ti-sysc needs to probe l4_wkup and l4_cfg interconnects first to avoid
  issues with missing resources and unnecessary deferred probe

- ti-sysc debug option can now detect more devices

- ti-sysc now warns if an old incomplete devicetree data is found as we
  now rely on it being complete for am3 and 4

- soc init code needs to check for prcm and prm nodes for omap4/5 and
  dra7

- omap-prm driver needs to enable autoidle retention support for omap4

- omap5 clocks are missing gpmc and ocmc clock registers

- pci-dra7xx now needs to use builtin_platform_driver instead of using
  builtin_platform_driver_probe for deferred probe to work

There are also few minor non-urgent fixes:

- soc init code pdata_quirks_init_clocks should be static

- ti-sysc has few unneeded semiconon typos

- ti-sysc can use kzalloc instead of kcalloc for a single element

* tag 'omap-for-v5.13/ti-sysc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  bus: ti-sysc: Use kzalloc for allocating only one thing
  bus: ti-sysc: remove unneeded semicolon
  ARM: OMAP2+: Make symbol 'pdata_quirks_init_clocks' static
  PCI: pci-dra7xx: Prepare for deferred probe with module_platform_driver
  clk: ti: omap5: Add missing gpmc and ocmc clkctrl
  soc: ti: omap-prm: Allow hardware supported retention when idle
  ARM: OMAP2+: Init both prm and prcm nodes early for clocks
  bus: ti-sysc: Check for old incomplete dtb
  bus: ti-sysc: Detect more modules for debugging
  bus: ti-sysc: Probe for l4_wkup and l4_cfg interconnect devices first
  bus: ti-sysc: Fix initializing module_pa for modules without sysc register
  ARM: dts: Fix moving mmc devices with aliases for omap4 & 5
  ARM: dts: Drop duplicate sha2md5_fck to fix clk_disable race
  soc: ti: omap-prm: Fix occasional abort on reset deassert for dra7 iva
  bus: ti-sysc: Fix warning on unbind if reset is not deasserted
  ARM: OMAP2+: Fix smartreflex init regression after dropping legacy data
  soc: ti: omap-prm: Fix reboot issue with invalid pcie reset map for dra7
  ARM: dts: am33xx: add aliases for mmc interfaces
  bus: omap_l3_noc: mark l3 irqs as IRQF_NO_THREAD

Link: https://lore.kernel.org/r/pull-1617004205-537424@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-04-01 21:00:00 +02:00
Cristian Marussi
beb076bb18 clk: scmi: Port driver to the new scmi_clk_proto_ops interface
Port the scmi clock driver to the new SCMI clock interface based on
protocol handles and common devm_get_ops().

Link: https://lore.kernel.org/r/20210316124903.35011-19-cristian.marussi@arm.com
Link: https://lore.kernel.org/r/20210326132844.33360-1-cristian.marussi@arm.com
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2021-03-30 16:34:37 +01:00
Taniya Das
e5c359f70e clk: qcom: camcc: Update the clock ops for the SC7180
Some of the RCGs could be always ON from the XO source and could be used
as the clock on signal for the GDSC to be operational. In the cases where
the GDSCs are parked at different source with the source clock disabled,
it could lead to the GDSC to be stuck at ON/OFF during gdsc disable/enable.
Thus park the RCGs at XO during clock disable and update the rcg_ops to
use the shared_ops.

Fixes: 15d09e830b ("clk: qcom: camcc: Add camera clock controller driver for SC7180")
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lore.kernel.org/r/1616809265-11912-1-git-send-email-tdas@codeaurora.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-03-29 14:08:32 -07:00
Krzysztof Kozlowski
2867b9746c clk: socfpga: fix iomem pointer cast on 64-bit
Pointers should be cast with uintptr_t instead of integer.  This fixes
warning when compile testing on ARM64:

  drivers/clk/socfpga/clk-gate.c: In function ‘socfpga_clk_recalc_rate’:
  drivers/clk/socfpga/clk-gate.c:102:7: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]

Fixes: b7cec13f08 ("clk: socfpga: Look for the GPIO_DB_CLK by its offset")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Acked-by: Dinh Nguyen <dinguyen@kernel.org>
Link: https://lore.kernel.org/r/20210314110709.32599-1-krzysztof.kozlowski@canonical.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-03-29 12:04:38 -07:00
JC Kuo
0c7ea2b1c8 clk: tegra: Don't enable PLLE HW sequencer at init
PLLE hardware power sequencer references PEX/SATA UPHY PLL hardware
power sequencers' output to enable/disable PLLE. PLLE hardware power
sequencer has to be enabled only after PEX/SATA UPHY PLL's sequencers
are enabled.

Signed-off-by: JC Kuo <jckuo@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2021-03-24 14:02:14 +01:00
JC Kuo
54443ef6f5 clk: tegra: Add PLLE HW power sequencer control
PLLE has a hardware power sequencer logic which is a state machine
that can power on/off PLLE without any software intervention. The
sequencer has two inputs, one from XUSB UPHY PLL and the other from
SATA UPHY PLL. PLLE provides reference clock to XUSB and SATA UPHY
PLLs. When both of the downstream PLLs are powered-off, PLLE hardware
power sequencer will automatically power off PLLE for power saving.

XUSB and SATA UPHY PLLs also have their own hardware power sequencer
logic. XUSB UPHY PLL is shared between XUSB SuperSpeed ports and PCIE
controllers. The XUSB UPHY PLL hardware power sequencer has inputs
from XUSB and PCIE. When all of the XUSB SuperSpeed ports and PCIE
controllers are in low power state, XUSB UPHY PLL hardware power
sequencer automatically power off PLL and flags idle to PLLE hardware
power sequencer. Similar applies to SATA UPHY PLL.

PLLE hardware power sequencer has to be enabled after both downstream
sequencers are enabled.

This commit adds two helper functions:
1. tegra210_plle_hw_sequence_start() for XUSB PADCTL driver to enable
   PLLE hardware sequencer at proper time.

2. tegra210_plle_hw_sequence_is_enabled() for XUSB PADCTL driver to
   check whether PLLE hardware sequencer has been enabled or not.

Signed-off-by: JC Kuo <jckuo@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2021-03-24 14:01:58 +01:00
Krzysztof Kozlowski
552418658a clk: socfpga: use ARCH_INTEL_SOCFPGA also for 32-bit ARM SoCs (and compile test)
ARCH_SOCFPGA is being renamed to ARCH_INTEL_SOCFPGA so adjust the
32-bit ARM drivers to rely on new symbol.

There is little point to share clock controller drivers between 32-bit
and 64-bit platforms because there will not be a generic image for both
of them.  Therefore add a new Kconfig entry for building 32-bit clock
driverss, similar to one for 64-bit.  This allows enabling compile
testing.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
2021-03-23 11:03:36 -05:00
Krzysztof Kozlowski
cdb1e8b4f4 clk: socfpga: allow compile testing of Stratix 10 / Agilex clocks
The Stratix 10 / Agilex / N5X clocks do not use anything other than OF
or COMMON_CLK so they should be compile testable on most of the
platforms.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
2021-03-23 11:03:36 -05:00
Krzysztof Kozlowski
4a9a1a5602 arm64: socfpga: merge Agilex and N5X into ARCH_INTEL_SOCFPGA
Agilex, N5X and Stratix 10 share all quite similar arm64 hard cores and
SoC-part.  Up to a point that N5X uses the same DTSI as Agilex.  From
the Linux kernel point of view these are flavors of the same
architecture so there is no need for three top-level arm64
architectures.  Simplify this by merging all three architectures into
ARCH_INTEL_SOCFPGA and dropping the other ARCH* arm64 Kconfig entries.

The side effect is that the INTEL_STRATIX10_SERVICE will now be
available for both 32-bit and 64-bit Intel SoCFPGA, even though it is
used only for 64-bit.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
2021-03-23 11:03:36 -05:00
Krzysztof Kozlowski
2011431b97 clk: socfpga: merge ARCH_SOCFPGA and ARCH_STRATIX10
Simplify 32-bit and 64-bit Intel SoCFPGA Kconfig options by having only
one for both of them.  This the common practice for other platforms.
Additionally, the ARCH_SOCFPGA is too generic as SoCFPGA designs come
from multiple vendors.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
2021-03-23 11:03:35 -05:00
Krzysztof Kozlowski
a01be32fcc clk: socfpga: build together Stratix 10, Agilex and N5X clock drivers
On a multiplatform kernel there is little benefit in splitting each
clock driver per platform because space savings are minimal.  Such split
also complicates the code, especially after adding compile testing.

Build all arm64 Intel SoCFPGA clocks together with one entry in
Makefile.  This also removed duplicated line in the Makefile (selecting
common part of clocks per platform).

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
2021-03-23 11:03:35 -05:00
Krzysztof Kozlowski
3b218baa74 clk: socfpga: allow building N5X clocks with ARCH_N5X
The Intel's eASIC N5X (ARCH_N5X) architecture shares a lot with Agilex
(ARCH_AGILEX) so it uses the same socfpga_agilex.dtsi, with minor
changes.  Also the clock drivers are the same.

However the clock drivers won't be build without ARCH_AGILEX.  One could
assume that ARCH_N5X simply depends on ARCH_AGILEX but this was not
modeled in Kconfig.  In current stage the ARCH_N5X is simply
unbootable.

Add a separate Kconfig entry for clocks used by both ARCH_N5X and
ARCH_AGILEX so the necessary objects will be built if either of them is
selected.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
2021-03-23 11:03:35 -05:00
Tudor Ambarus
6579c8d97a clk: Mark fwnodes when their clock provider is added
This is a follow-up for:
commit 3c9ea42802 ("clk: Mark fwnodes when their clock provider is added/removed")

The above commit updated the deprecated of_clk_add_provider(),
but missed to update the preferred of_clk_add_hw_provider().
Update it now.

Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Reviewed-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20210210114435.122242-2-tudor.ambarus@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-23 15:02:26 +01:00
Nicolas Saenz Julienne
3c4084f95a clk: bcm: rpi: Release firmware handle on unbind
Use devm_rpi_firmware_get() so as to make sure we release RPi's firmware
interface when unbinding the device.

Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>

 drivers/clk/bcm/clk-raspberrypi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
2021-03-22 17:59:51 +01:00
Douglas Anderson
148ddaa89d clk: qcom: gcc-sc7180: Use floor ops for the correct sdcc1 clk
While picking commit a8cd989e1a ("mmc: sdhci-msm: Warn about
overclocking SD/MMC") back to my tree I was surprised that it was
reporting warnings.  I thought I fixed those!  Looking closer at the
fix, I see that I totally bungled it (or at least I halfway bungled
it).  The SD card clock got fixed (and that was the one I was really
focused on fixing), but I totally adjusted the wrong clock for eMMC.
Sigh.  Let's fix my dumb mistake.

Now both SD and eMMC have floor for the "apps" clock.

This doesn't matter a lot for the final clock rate for HS400 eMMC but
could matter if someone happens to put some slower eMMC on a sc7180.
We also transition through some of these lower rates sometimes and
having them wrong could cause problems during these transitions.
These were the messages I was seeing at boot:
  mmc1: Card appears overclocked; req 52000000 Hz, actual 100000000 Hz
  mmc1: Card appears overclocked; req 52000000 Hz, actual 100000000 Hz
  mmc1: Card appears overclocked; req 104000000 Hz, actual 192000000 Hz

Fixes: 6d37a8d192 ("clk: qcom: gcc-sc7180: Use floor ops for sdcc clks")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20210224095013.1.I2e2ba4978cfca06520dfb5d757768f9c42140f7c@changeid
Reviewed-by: Taniya Das <tdas@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-03-13 13:00:05 -08:00
Marijn Suijten
0ae67123ea clk: qcom: rcg2: Rectify clk_gfx3d rate rounding without mux division
In case the mux is not divided parent_req was mistakenly not assigned to
leading __clk_determine_rate to determine the best frequency setting for
a requested rate of 0, resulting in the msm8996 platform not booting.
Rectify this by refactoring the logic to unconditionally assign to
parent_req.rate with the clock rate the caller is expecting.

Fixes: 7cbb78a99d ("clk: qcom: rcg2: Stop hardcoding gfx3d pingpong parent numbers")
Reported-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Tested-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Reviewed-By: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Link: https://lore.kernel.org/r/20210302234106.3418665-1-marijn.suijten@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-03-13 12:59:46 -08:00
Taniya Das
c9b86db274 clk: qcom: rpmh: Update the XO clock source for SC7280
The bi_tcxo clock source for SC7280 requires a div 4 to derive 19.2MHz
from the xo_board. Thus update the same.

Fixes: fff2b9a651 ("clk: qcom: rpmh: Add support for RPMH clocks on SC7280")
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lore.kernel.org/r/1615400283-20100-1-git-send-email-tdas@codeaurora.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-03-13 12:58:18 -08:00
Jae Hyun Yoo
3536169f85 media: aspeed: fix clock handling logic
Video engine uses eclk and vclk for its clock sources and its reset
control is coupled with eclk so the current clock enabling sequence works
like below.

 Enable eclk
 De-assert Video Engine reset
 10ms delay
 Enable vclk

It introduces improper reset on the Video Engine hardware and eventually
the hardware generates unexpected DMA memory transfers that can corrupt
memory region in random and sporadic patterns. This issue is observed
very rarely on some specific AST2500 SoCs but it causes a critical
kernel panic with making a various shape of signature so it's extremely
hard to debug. Moreover, the issue is observed even when the video
engine is not actively used because udevd turns on the video engine
hardware for a short time to make a query in every boot.

To fix this issue, this commit changes the clock handling logic to make
the reset de-assertion triggered after enabling both eclk and vclk. Also,
it adds clk_unprepare call for a case when probe fails.

clk: ast2600: fix reset settings for eclk and vclk
Video engine reset setting should be coupled with eclk to match it
with the setting for previous Aspeed SoCs which is defined in
clk-aspeed.c since all Aspeed SoCs are sharing a single video engine
driver. Also, reset bit 6 is defined as 'Video Engine' reset in
datasheet so it should be de-asserted when eclk is enabled. This
commit fixes the setting.

Fixes: d2b4387f3b ("media: platform: Add Aspeed Video Engine driver")
Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Eddie James <eajames@linux.ibm.com>
Fixes: d3d04f6c33 ("clk: Add support for AST2600 SoC")
Reviewed-by: Joel Stanley <joel@jms.id.au>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2021-03-11 11:59:45 +01:00
Tony Lindgren
7f7acef857 clk: ti: omap5: Add missing gpmc and ocmc clkctrl
The gpmc clock is needed to update omap5 to boot with genpd with the
related devicetree patches. The ocmc clock is currently not used but
let's add it so we have all the clocks for the l3main2 defined.

Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Tero Kristo <kristo@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2021-03-10 13:59:18 +02:00
Linus Torvalds
8b83369ddc RISC-V Patches for the 5.12 Merge Window
I have a handful of new RISC-V related patches for this merge window:
 
 * A check to ensure drivers are properly using uaccess.  This isn't
   manifesting with any of the drivers I'm currently using, but may catch
   errors in new drivers.
 * Some preliminary support for the FU740, along with the HiFive
   Unleashed it will appear on.
 * NUMA support for RISC-V, which involves making the arm64 code generic.
 * Support for kasan on the vmalloc region.
 * A handful of new drivers for the Kendryte K210, along with the DT
   plumbing required to boot on a handful of K210-based boards.
 * Support for allocating ASIDs.
 * Preliminary support for kernels larger than 128MiB.
 * Various other improvements to our KASAN support, including the
   utilization of huge pages when allocating the KASAN regions.
 
 We may have already found a bug with the KASAN_VMALLOC code, but it's
 passing my tests.  There's a fix in the works, but that will probably
 miss the merge window.
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Merge tag 'riscv-for-linus-5.12-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V updates from Palmer Dabbelt:
 "A handful of new RISC-V related patches for this merge window:

   - A check to ensure drivers are properly using uaccess. This isn't
     manifesting with any of the drivers I'm currently using, but may
     catch errors in new drivers.

   - Some preliminary support for the FU740, along with the HiFive
     Unleashed it will appear on.

   - NUMA support for RISC-V, which involves making the arm64 code
     generic.

   - Support for kasan on the vmalloc region.

   - A handful of new drivers for the Kendryte K210, along with the DT
     plumbing required to boot on a handful of K210-based boards.

   - Support for allocating ASIDs.

   - Preliminary support for kernels larger than 128MiB.

   - Various other improvements to our KASAN support, including the
     utilization of huge pages when allocating the KASAN regions.

  We may have already found a bug with the KASAN_VMALLOC code, but it's
  passing my tests. There's a fix in the works, but that will probably
  miss the merge window.

* tag 'riscv-for-linus-5.12-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (75 commits)
  riscv: Improve kasan population by using hugepages when possible
  riscv: Improve kasan population function
  riscv: Use KASAN_SHADOW_INIT define for kasan memory initialization
  riscv: Improve kasan definitions
  riscv: Get rid of MAX_EARLY_MAPPING_SIZE
  soc: canaan: Sort the Makefile alphabetically
  riscv: Disable KSAN_SANITIZE for vDSO
  riscv: Remove unnecessary declaration
  riscv: Add Canaan Kendryte K210 SD card defconfig
  riscv: Update Canaan Kendryte K210 defconfig
  riscv: Add Kendryte KD233 board device tree
  riscv: Add SiPeed MAIXDUINO board device tree
  riscv: Add SiPeed MAIX GO board device tree
  riscv: Add SiPeed MAIX DOCK board device tree
  riscv: Add SiPeed MAIX BiT board device tree
  riscv: Update Canaan Kendryte K210 device tree
  dt-bindings: add resets property to dw-apb-timer
  dt-bindings: fix sifive gpio properties
  dt-bindings: update sifive uart compatible string
  dt-bindings: update sifive clint compatible string
  ...
2021-02-26 10:28:35 -08:00
Linus Torvalds
7ac1161c27 Driver core / debugfs update for 5.12-rc1
Here is the "big" driver core and debugfs update for 5.12-rc1
 
 This set of driver core patches caused a bunch of problems in linux-next
 for the past few weeks, when Saravana tried to set fw_devlink=on as the
 default functionality.  This caused a number of systems to stop booting,
 and lots of bugs were fixed in this area for almost all of the reported
 systems, but this option is not ready to be turned on just yet for the
 default operation based on this testing, so I've reverted that change at
 the very end so we don't have to worry about regressions in 5.12.  We
 will try to turn this on for 5.13 if testing goes better over the next
 few months.
 
 Other than the fixes caused by the fw_devlink testing in here, there's
 not much more:
 	- debugfs fixes for invalid input into debugfs_lookup()
 	- kerneldoc cleanups
 	- warn message if platform drivers return an error on their
 	  remove callback (a futile effort, but good to catch).
 
 All of these have been in linux-next for a while now, and the
 regressions have gone away with the revert of the fw_devlink change.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core / debugfs update from Greg KH:
 "Here is the "big" driver core and debugfs update for 5.12-rc1

  This set of driver core patches caused a bunch of problems in
  linux-next for the past few weeks, when Saravana tried to set
  fw_devlink=on as the default functionality. This caused a number of
  systems to stop booting, and lots of bugs were fixed in this area for
  almost all of the reported systems, but this option is not ready to be
  turned on just yet for the default operation based on this testing, so
  I've reverted that change at the very end so we don't have to worry
  about regressions in 5.12

  We will try to turn this on for 5.13 if testing goes better over the
  next few months.

  Other than the fixes caused by the fw_devlink testing in here, there's
  not much more:

   - debugfs fixes for invalid input into debugfs_lookup()

   - kerneldoc cleanups

   - warn message if platform drivers return an error on their remove
     callback (a futile effort, but good to catch).

  All of these have been in linux-next for a while now, and the
  regressions have gone away with the revert of the fw_devlink change"

* tag 'driver-core-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (35 commits)
  Revert "driver core: Set fw_devlink=on by default"
  of: property: fw_devlink: Ignore interrupts property for some configs
  debugfs: do not attempt to create a new file before the filesystem is initalized
  debugfs: be more robust at handling improper input in debugfs_lookup()
  driver core: auxiliary bus: Fix calling stage for auxiliary bus init
  of: irq: Fix the return value for of_irq_parse_one() stub
  of: irq: make a stub for of_irq_parse_one()
  clk: Mark fwnodes when their clock provider is added/removed
  PM: domains: Mark fwnodes when their powerdomain is added/removed
  irqdomain: Mark fwnodes when their irqdomain is added/removed
  driver core: fw_devlink: Handle suppliers that don't use driver core
  of: property: Add fw_devlink support for optional properties
  driver core: Add fw_devlink.strict kernel param
  of: property: Don't add links to absent suppliers
  driver core: fw_devlink: Detect supplier devices that will never be added
  driver core: platform: Emit a warning if a remove callback returned non-zero
  of: property: Fix fw_devlink handling of interrupts/interrupts-extended
  gpiolib: Don't probe gpio_device if it's not the primary device
  device.h: Remove bogus "the" in kerneldoc
  gpiolib: Bind gpio_device to a driver to enable fw_devlink=on by default
  ...
2021-02-24 10:13:55 -08:00
Damien Le Moal
c6ca7616f7
clk: Add RISC-V Canaan Kendryte K210 clock driver
Add a clock provider driver for the Canaan Kendryte K210 RISC-V SoC.
This new driver with the compatible string "canaan,k210-clk" implements
support for the full clock structure of the K210 SoC. Since it is
required for the correct operation of the SoC, this driver is
selected by default for compilation when the SOC_CANAAN option is
selected.

With this change, the k210-sysctl driver is turned into a simple
platform driver which enables its power bus clock and triggers
populating its child nodes. The sysctl driver retains the SOC early
initialization code, but the implementation now relies on the new
function k210_clk_early_init() provided by the new clk-k210 driver.

The clock structure implemented and many of the coding ideas for the
driver come from the work by Sean Anderson on the K210 support for the
U-Boot project.

Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: linux-clk@vger.kernel.org
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
2021-02-22 17:51:04 -08:00
Linus Torvalds
28b9aaac4c This is all driver updates, the majority of which is a bunch of new Qualcomm
clk drivers that dominate the diffstat because we add support for six SoCs from
 that particular vendor. The other big change is the removal of various clk
 drivers that are no longer used now that the kernel is dropping support for
 those SoCs. Beyond that there's the usual non-critical fixes for existing
 drivers and a good number of patches from Lee Jones that cleanup a bunch of W=1
 enabled builds.
 
 Removed Drivers:
  - Remove efm32 clk driver
  - Remove tango4 clk driver
  - Remove zte zx clk driver
  - Remove sirf prima2/atlast clk drivers
  - Remove u300 clk driver
 
 New Drivers:
  - PLL support on MStar/SigmaStar ARMv7 SoCs
  - CPU clks for Qualcomm SDX55
  - GCC and RPMh clks for Qualcomm SC8180x and SC7280 SoCs
  - GCC clks for Qualcomm SM8350
  - GPU clks for Qualcomm SDM660/SDM630
 
 Updates:
  - Video clk fixups on Qualcomm SM8250
  - Improvements for multimedia clks on Qualcomm MSM8998
  - Fix many warnings with W=1 enabled builds under drivers/clk/
  - Support crystal load capacitance for Versaclock VC5
  - Add a "skip recall" DT binding for Silicon Labs' si570 to avoid glitches at boot
  - Convert Xilinx VCU clk driver to a proper clk provider driver
  - Expose Xilinx ZynqMP clk driver to more platforms
  - Amlogic pll driver fixup
  - Amlogic meson8b clock controller dt support clean up
  - Remove mipi clk from the Amlogic axg clock controller
  - New Rockchip rk3368 clock ids related to camera input
  - Use pr_notice() instead of pr_warn() on i.MX6Q pre-boot ldb_di_clk reparenting
  - A series from Liu Ying that adds some SCU clocks support for i.MX8qxp
    DC0/MIPI-LVDS subsystems
  - A series from Lucas Stach that adds PLL monitor clocks for i.MX8MQ, and
    clkout1/2 support for i.MX8MM/MN
  - Add I2c and Ethernet (RAVB) clocks on Renesas R-Car V3U
  - Add timer (TMU) clocks on most Renesas R-Car Gen3 SoCs
  - Add video-related (FCPVD/VSPD/VSPX), watchdog (RWDT), serial
    (HSCIF), pincontrol/GPIO (PFC/GPIO), SPI (MSIOF), SDHI, and DMA
    (SYS-DMAC) clocks on Renesas R-Car V3U
  - Add support for the USB 2.0 clock selector on Renesas RZ/G2 SoCs
  - Allwinner H616 SoC clk support
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "This is all driver updates, the majority of which is a bunch of new
  Qualcomm clk drivers that dominate the diffstat because we add support
  for six SoCs from that particular vendor.

  The other big change is the removal of various clk drivers that are no
  longer used now that the kernel is dropping support for those SoCs.

  Beyond that there's the usual non-critical fixes for existing drivers
  and a good number of patches from Lee Jones that cleanup a bunch of
  W=1 enabled builds.

  Removed Drivers:
   - Remove efm32 clk driver
   - Remove tango4 clk driver
   - Remove zte zx clk driver
   - Remove sirf prima2/atlast clk drivers
   - Remove u300 clk driver

  New Drivers:
   - PLL support on MStar/SigmaStar ARMv7 SoCs
   - CPU clks for Qualcomm SDX55
   - GCC and RPMh clks for Qualcomm SC8180x and SC7280 SoCs
   - GCC clks for Qualcomm SM8350
   - GPU clks for Qualcomm SDM660/SDM630

  Updates:
   - Video clk fixups on Qualcomm SM8250
   - Improvements for multimedia clks on Qualcomm MSM8998
   - Fix many warnings with W=1 enabled builds under drivers/clk/
   - Support crystal load capacitance for Versaclock VC5
   - Add a "skip recall" DT binding for Silicon Labs' si570 to avoid
     glitches at boot
   - Convert Xilinx VCU clk driver to a proper clk provider driver
   - Expose Xilinx ZynqMP clk driver to more platforms
   - Amlogic pll driver fixup
   - Amlogic meson8b clock controller dt support clean up
   - Remove mipi clk from the Amlogic axg clock controller
   - New Rockchip rk3368 clock ids related to camera input
   - Use pr_notice() instead of pr_warn() on i.MX6Q pre-boot ldb_di_clk
     reparenting
   - A series from Liu Ying that adds some SCU clocks support for
     i.MX8qxp DC0/MIPI-LVDS subsystems
   - A series from Lucas Stach that adds PLL monitor clocks for i.MX8MQ,
     and clkout1/2 support for i.MX8MM/MN
   - Add I2c and Ethernet (RAVB) clocks on Renesas R-Car V3U
   - Add timer (TMU) clocks on most Renesas R-Car Gen3 SoCs
   - Add video-related (FCPVD/VSPD/VSPX), watchdog (RWDT), serial
     (HSCIF), pincontrol/GPIO (PFC/GPIO), SPI (MSIOF), SDHI, and DMA
     (SYS-DMAC) clocks on Renesas R-Car V3U
   - Add support for the USB 2.0 clock selector on Renesas RZ/G2 SoCs
   - Allwinner H616 SoC clk support"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (171 commits)
  clk: mstar: msc313-mpll: Fix format specifier
  clk: mstar: Allow MStar clk drivers to be compile tested
  clk: qoriq: use macros to generate pll_mask
  clk: qcom: Add Global Clock controller (GCC) driver for SC7280
  dt-bindings: clock: Add SC7280 GCC clock binding
  clk: qcom: rpmh: Add support for RPMH clocks on SC7280
  dt-bindings: clock: Add RPMHCC bindings for SC7280
  clk: qcom: gcc-sm8350: add gdsc
  dt-bindings: clock: Add QCOM SDM630 and SDM660 graphics clock bindings
  clk: qcom: Add SDM660 GPU Clock Controller (GPUCC) driver
  clk: qcom: mmcc-msm8996: Migrate gfx3d clock to clk_rcg2_gfx3d
  clk: qcom: rcg2: Stop hardcoding gfx3d pingpong parent numbers
  dt-bindings: clock: Add support for the SDM630 and SDM660 mmcc
  clk: qcom: Add SDM660 Multimedia Clock Controller (MMCC) driver
  clk: qcom: gcc-sdm660: Mark GPU CFG AHB clock as critical
  clk: qcom: gcc-sdm660: Mark MMSS NoC CFG AHB clock as critical
  clk: qcom: gpucc-msm8998: Allow fabia gpupll0 rate setting
  clk: qcom: gpucc-msm8998: Add resets, cxc, fix flags on gpu_gx_gdsc
  clk: qcom: gdsc: Implement NO_RET_PERIPH flag
  clk: mstar: MStar/SigmaStar MPLL driver
  ...
2021-02-22 09:45:23 -08:00
Linus Torvalds
02f9fc286e Power management updates for 5.12-rc1
- Add new power capping facility called DTPM (Dynamic Thermal Power
    Management), based on the existing power capping framework, to
    allow aggregate power constraints to be applied to sets of devices
    in a distributed manner, along with a CPU backend driver based on
    the Energy Model (Daniel Lezcano, Dan Carpenter, Colin Ian King).
 
  - Add AlderLake Mobile support to the Intel RAPL power capping
    driver and make it use the topology interface when laying out the
    system topology (Zhang Rui, Yunfeng Ye).
 
  - Drop the cpufreq tango driver belonging to a platform that is not
    supported any more (Arnd Bergmann).
 
  - Drop the redundant CPUFREQ_STICKY and CPUFREQ_PM_NO_WARN cpufreq
    driver flags (Viresh Kumar).
 
  - Update cpufreq drivers:
 
    * Fix max CPU frequency discovery in the intel_pstate driver and
      make janitorial changes in it (Chen Yu, Rafael Wysocki, Nigel
      Christian).
 
    * Fix resource leaks in the brcmstb-avs-cpufreq driver (Christophe
      JAILLET).
 
    * Make the tegra20 driver use the resource-managed API (Dmitry
      Osipenko).
 
    * Enable boost support in the qcom-hw driver (Shawn Guo).
 
  - Update the operating performance points (OPP) framework:
 
    * Clean up the OPP core (Dmitry Osipenko, Viresh Kumar).
 
    * Extend the OPP API by adding new helpers to it (Dmitry Osipenko,
      Viresh Kumar).
 
    * Allow required OPPs to be used for devfreq devices and update
      the devfreq governor code accordingly (Saravana Kannan).
 
    * Prepare the framework for introducing new dev_pm_opp_set_opp()
      helper (Viresh Kumar).
 
    * Drop dev_pm_opp_set_bw() and update related drivers (Viresh
      Kumar).
 
    * Allow lazy linking of required-OPPs (Viresh Kumar).
 
  - Simplify and clean up devfreq somewhat (Lukasz Luba, Yang Li,
    Pierre Kuo).
 
  - Update the generic power domains (genpd) framework:
 
    * Use device's next wakeup to determine domain idle state (Lina
      Iyer).
 
    * Improve initialization and debug (Dmitry Osipenko).
 
    * Simplify computations (Abaci Team).
 
  - Make janitorial changes in the core code handling system sleep
    and PM-runtime (Bhaskar Chowdhury, Bjorn Helgaas, Rikard Falkeborn,
    Zqiang).
 
  - Update the MAINTAINERS entry for the exynos cpuidle driver and
    drop DEBUG definition from intel_idle (Krzysztof Kozlowski, Tom
    Rix).
 
  - Extend the PM clock layer to cover clocks that must sleep (Nicolas
    Pitre).
 
  - Update the cpupower utility:
 
    * Update cpupower command, add support for AMD family 0x19 and clean
      up the code to remove many of the family checks to make future
      family updates easier (Nathan Fontenot, Robert Richter).
 
    * Add Makefile dependencies for install targets to allow building
      cpupower in parallel rather than serially (Ivan Babrou).
 
  - Make janitorial changes in power management Kconfig (Lukasz Luba).
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Merge tag 'pm-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates from Rafael Wysocki:
 "These add a new power capping facility allowing aggregate power
  constraints to be applied to sets of devices in a distributed manner,
  add a new CPU ID to the RAPL power capping driver and improve it, drop
  a cpufreq driver belonging to a platform that is not supported any
  more, drop two redundant cpufreq driver flags, update cpufreq drivers
  (intel_pstate, brcmstb-avs, qcom-hw), update the operating performance
  points (OPP) framework (code cleanups, new helpers, devfreq-related
  modifications), clean up devfreq, extend the PM clock layer, update
  the cpupower utility and make assorted janitorial changes.

  Specifics:

   - Add new power capping facility called DTPM (Dynamic Thermal Power
     Management), based on the existing power capping framework, to
     allow aggregate power constraints to be applied to sets of devices
     in a distributed manner, along with a CPU backend driver based on
     the Energy Model (Daniel Lezcano, Dan Carpenter, Colin Ian King).

   - Add AlderLake Mobile support to the Intel RAPL power capping driver
     and make it use the topology interface when laying out the system
     topology (Zhang Rui, Yunfeng Ye).

   - Drop the cpufreq tango driver belonging to a platform that is not
     supported any more (Arnd Bergmann).

   - Drop the redundant CPUFREQ_STICKY and CPUFREQ_PM_NO_WARN cpufreq
     driver flags (Viresh Kumar).

   - Update cpufreq drivers:

      * Fix max CPU frequency discovery in the intel_pstate driver and
        make janitorial changes in it (Chen Yu, Rafael Wysocki, Nigel
        Christian).

      * Fix resource leaks in the brcmstb-avs-cpufreq driver (Christophe
        JAILLET).

      * Make the tegra20 driver use the resource-managed API (Dmitry
        Osipenko).

      * Enable boost support in the qcom-hw driver (Shawn Guo).

   - Update the operating performance points (OPP) framework:

      * Clean up the OPP core (Dmitry Osipenko, Viresh Kumar).

      * Extend the OPP API by adding new helpers to it (Dmitry Osipenko,
        Viresh Kumar).

      * Allow required OPPs to be used for devfreq devices and update
        the devfreq governor code accordingly (Saravana Kannan).

      * Prepare the framework for introducing new dev_pm_opp_set_opp()
        helper (Viresh Kumar).

      * Drop dev_pm_opp_set_bw() and update related drivers (Viresh
        Kumar).

      * Allow lazy linking of required-OPPs (Viresh Kumar).

   - Simplify and clean up devfreq somewhat (Lukasz Luba, Yang Li,
     Pierre Kuo).

   - Update the generic power domains (genpd) framework:

      * Use device's next wakeup to determine domain idle state (Lina
        Iyer).

      * Improve initialization and debug (Dmitry Osipenko).

      * Simplify computations (Abaci Team).

   - Make janitorial changes in the core code handling system sleep and
     PM-runtime (Bhaskar Chowdhury, Bjorn Helgaas, Rikard Falkeborn,
     Zqiang).

   - Update the MAINTAINERS entry for the exynos cpuidle driver and drop
     DEBUG definition from intel_idle (Krzysztof Kozlowski, Tom Rix).

   - Extend the PM clock layer to cover clocks that must sleep (Nicolas
     Pitre).

   - Update the cpupower utility:

      * Update cpupower command, add support for AMD family 0x19 and
        clean up the code to remove many of the family checks to make
        future family updates easier (Nathan Fontenot, Robert Richter).

      * Add Makefile dependencies for install targets to allow building
        cpupower in parallel rather than serially (Ivan Babrou).

   - Make janitorial changes in power management Kconfig (Lukasz Luba)"

* tag 'pm-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (89 commits)
  MAINTAINERS: cpuidle: exynos: include header in file pattern
  powercap: intel_rapl: Use topology interface in rapl_init_domains()
  powercap: intel_rapl: Use topology interface in rapl_add_package()
  PM: sleep: Constify static struct attribute_group
  PM: Kconfig: remove unneeded "default n" options
  PM: EM: update Kconfig description and drop "default n" option
  cpufreq: Remove unused flag CPUFREQ_PM_NO_WARN
  cpufreq: Remove CPUFREQ_STICKY flag
  PM / devfreq: Add required OPPs support to passive governor
  PM / devfreq: Cache OPP table reference in devfreq
  OPP: Add function to look up required OPP's for a given OPP
  PM / devfreq: rk3399_dmc: Remove unneeded semicolon
  opp: Replace ENOTSUPP with EOPNOTSUPP
  opp: Fix "foo * bar" should be "foo *bar"
  opp: Don't ignore clk_get() errors other than -ENOENT
  opp: Update bandwidth requirements based on scaling up/down
  opp: Allow lazy-linking of required-opps
  opp: Remove dev_pm_opp_set_bw()
  devfreq: tegra30: Migrate to dev_pm_opp_set_opp()
  drm: msm: Migrate to dev_pm_opp_set_opp()
  ...
2021-02-20 21:42:18 -08:00
Linus Torvalds
e767b3530a ARM: SoC drivers for v5.12
Updates for SoC specific drivers include a few subsystems that
 have their own maintainers but send them through the soc tree:
 
 SCMI firmware:
  - add support for a completion interrupt
 
 Reset controllers:
  - new driver for BCM4908
  - new devm_reset_control_get_optional_exclusive_released()
    function
 
 Memory controllers:
  - Renesas RZ/G2 support
  - Tegra124 interconnect support
  - Allow more drivers to be loadable modules
 
 TEE/optee firmware:
  - minor code cleanup
 
 The other half of this is SoC specific drivers that do not
 belong into any other subsystem, most of them living in
 drivers/soc:
 
  - Allwinner/sunxi power management work
  - Allwinner H616 support
 
  - ASpeed AST2600 system identification support
 
  - AT91 SAMA7G5 SoC ID driver
  - AT91 SoC driver cleanups
 
  - Broadcom BCM4908 power management bus support
 
  - Marvell mbus cleanups
 
  - Mediatek MT8167 power domain support
 
  - Qualcomm socinfo driver support for PMIC
  - Qualcomm SoC identification for many more products
 
  - TI Keystone driver cleanups for PRUSS and elsewhere
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-drivers-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC driver updates from Arnd Bergmann:
 "Updates for SoC specific drivers include a few subsystems that have
  their own maintainers but send them through the soc tree:

  SCMI firmware:
   - add support for a completion interrupt

  Reset controllers:
   - new driver for BCM4908
   - new devm_reset_control_get_optional_exclusive_released() function

  Memory controllers:
   - Renesas RZ/G2 support
   - Tegra124 interconnect support
   - Allow more drivers to be loadable modules

  TEE/optee firmware:
   - minor code cleanup

  The other half of this is SoC specific drivers that do not belong into
  any other subsystem, most of them living in drivers/soc:

   - Allwinner/sunxi power management work
   - Allwinner H616 support

   - ASpeed AST2600 system identification support

   - AT91 SAMA7G5 SoC ID driver
   - AT91 SoC driver cleanups

   - Broadcom BCM4908 power management bus support

   - Marvell mbus cleanups

   - Mediatek MT8167 power domain support

   - Qualcomm socinfo driver support for PMIC
   - Qualcomm SoC identification for many more products

   - TI Keystone driver cleanups for PRUSS and elsewhere"

* tag 'arm-drivers-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (89 commits)
  soc: aspeed: socinfo: Add new systems
  soc: aspeed: snoop: Add clock control logic
  memory: tegra186-emc: Replace DEFINE_SIMPLE_ATTRIBUTE with DEFINE_DEBUGFS_ATTRIBUTE
  memory: samsung: exynos5422-dmc: Correct function names in kerneldoc
  memory: ti-emif-pm: Drop of_match_ptr from of_device_id table
  optee: simplify i2c access
  drivers: soc: atmel: fix type for same7
  tee: optee: remove need_resched() before cond_resched()
  soc: qcom: ocmem: don't return NULL in of_get_ocmem
  optee: sync OP-TEE headers
  tee: optee: fix 'physical' typos
  drivers: optee: use flexible-array member instead of zero-length array
  tee: fix some comment typos in header files
  soc: ti: k3-ringacc: Use of_device_get_match_data()
  soc: ti: pruss: Refactor the CFG sub-module init
  soc: mediatek: pm-domains: Don't print an error if child domain is deferred
  soc: mediatek: pm-domains: Add domain regulator supply
  dt-bindings: power: Add domain regulator supply
  soc: mediatek: cmdq: Remove cmdq_pkt_flush()
  soc: mediatek: pm-domains: Add support for mt8167
  ...
2021-02-20 18:42:28 -08:00
Stephen Boyd
4d5c4ae329 Merge branches 'clk-socfpga', 'clk-mstar', 'clk-qcom' and 'clk-warnings' into clk-next
- PLL support on MStar/SigmaStar ARMv7 SoCs
 - CPU clks for Qualcomm SDX55
 - GCC and RPMh clks for Qualcomm SC8180x and SC7280 SoCs
 - GCC clks for Qualcomm SM8350
 - Video clk fixups on Qualcomm SM8250
 - GPU clks for Qualcomm SDM660/SDM630
 - Improvements for multimedia clks on Qualcomm MSM8998
 - Fix many warnings with W=1 enabled builds under drivers/clk/

* clk-socfpga:
  clk: socfpga: agilex: add clock driver for eASIC N5X platform
  dt-bindings: documentation: add clock bindings information for eASIC N5X

* clk-mstar:
  clk: mstar: msc313-mpll: Fix format specifier
  clk: mstar: Allow MStar clk drivers to be compile tested
  clk: mstar: MStar/SigmaStar MPLL driver
  clk: fixed: add devm helper for clk_hw_register_fixed_factor()
  dt-bindings: clk: mstar msc313 mpll binding description
  dt-bindings: clk: mstar msc313 mpll binding header

* clk-qcom: (42 commits)
  clk: qcom: Add Global Clock controller (GCC) driver for SC7280
  dt-bindings: clock: Add SC7280 GCC clock binding
  clk: qcom: rpmh: Add support for RPMH clocks on SC7280
  dt-bindings: clock: Add RPMHCC bindings for SC7280
  clk: qcom: gcc-sm8350: add gdsc
  dt-bindings: clock: Add QCOM SDM630 and SDM660 graphics clock bindings
  clk: qcom: Add SDM660 GPU Clock Controller (GPUCC) driver
  clk: qcom: mmcc-msm8996: Migrate gfx3d clock to clk_rcg2_gfx3d
  clk: qcom: rcg2: Stop hardcoding gfx3d pingpong parent numbers
  dt-bindings: clock: Add support for the SDM630 and SDM660 mmcc
  clk: qcom: Add SDM660 Multimedia Clock Controller (MMCC) driver
  clk: qcom: gcc-sdm660: Mark GPU CFG AHB clock as critical
  clk: qcom: gcc-sdm660: Mark MMSS NoC CFG AHB clock as critical
  clk: qcom: gpucc-msm8998: Allow fabia gpupll0 rate setting
  clk: qcom: gpucc-msm8998: Add resets, cxc, fix flags on gpu_gx_gdsc
  clk: qcom: gdsc: Implement NO_RET_PERIPH flag
  clk: qcom: mmcc-msm8998: Set bimc_smmu_gdsc always on
  clk: qcom: mmcc-msm8998: Add hardware clockgating registers to some clks
  clk: qcom: gcc-msm8998: Fix Alpha PLL type for all GPLLs
  clk: qcom: gcc-msm8998: Mark gpu_cfg_ahb_clk as critical
  ...

* clk-warnings: (27 commits)
  clk: zynq: clkc: Remove various instances of an unused variable 'clk'
  clk: versatile: clk-icst: Fix worthy struct documentation block
  clk: ti: gate: Fix possible doc-rot in 'omap36xx_gate_clk_enable_with_hsdiv_restore'
  clk: ti: dpll: Fix misnaming of '_register_dpll()'s 'user' parameter
  clk: ti: clockdomain: Fix description for 'omap2_init_clk_clkdm's hw param
  clk: st: clkgen-fsyn: Fix worthy struct documentation demote partially filled one
  clk: st: clkgen-pll: Demote unpopulated kernel-doc header
  clk: mvebu: ap-cpu-clk: Demote non-conformant kernel-doc header
  clk: socfpga: clk-pll-a10: Remove set but unused variable 'rc'
  clk: socfpga: clk-pll: Remove unused variable 'rc'
  clk: sifive: fu540-prci: Declare static const variable 'prci_clk_fu540' where it's used
  clk: bcm: clk-iproc-pll: Demote kernel-doc abuse
  clk: zynqmp: divider: Add missing description for 'max_div'
  clk: spear: Move prototype to accessible header
  clk: qcom: clk-rpm: Remove a bunch of superfluous code
  clk: clk-xgene: Add description for 'mask' and fix formatting for 'flags'
  clk: qcom: mmcc-msm8974: Remove unused static const tables 'mmcc_xo_mmpll0_1_2_gpll0{map}'
  clk: clk-npcm7xx: Remove unused static const tables 'npcm7xx_gates' and 'npcm7xx_divs_fx'
  clk: clk-fixed-mmio: Demote obvious kernel-doc abuse
  clk: qcom: gcc-ipq4019: Remove unused variable 'ret'
  ...
2021-02-16 14:09:24 -08:00