Commit Graph

20198 Commits (master)

Author SHA1 Message Date
Linus Torvalds 2516a87153 Patch series in this pull request:
- The 2 patch series "powerpc/pseries/cmm: two smaller fixes" from David
   Hildenbrand fixes a couple of minor things in ppc land.
 
 - The 4 patch series "Improve folio split related functions" from Zi Yan
   provides some cleanups and minorish fixes in the folio splitting code.
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Merge tag 'mm-stable-2025-12-11-11-39' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull more MM updates from Andrew Morton:

 - "powerpc/pseries/cmm: two smaller fixes" (David Hildenbrand)
   fixes a couple of minor things in ppc land

 - "Improve folio split related functions" (Zi Yan)
   some cleanups and minorish fixes in the folio splitting code

* tag 'mm-stable-2025-12-11-11-39' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  mm/damon/tests/core-kunit: avoid damos_test_commit stack warning
  mm: vmscan: correct nr_requested tracing in scan_folios
  MAINTAINERS: add idr core-api doc file to XARRAY
  mm/hugetlb: fix incorrect error return from hugetlb_reserve_pages()
  mm: fix CONFIG_STACK_GROWSUP typo in mm.h
  mm/huge_memory: fix folio split stats counting
  mm/huge_memory: make min_order_for_split() always return an order
  mm/huge_memory: replace can_split_folio() with direct refcount calculation
  mm/huge_memory: change folio_split_supported() to folio_check_splittable()
  mm/sparse: fix sparse_vmemmap_init_nid_early definition without CONFIG_SPARSEMEM
  powerpc/pseries/cmm: adjust BALLOON_MIGRATE when migrating pages
  powerpc/pseries/cmm: call balloon_devinfo_init() also without CONFIG_BALLOON_COMPACTION
2025-12-13 20:35:41 +12:00
Linus Torvalds d324e9a915 RTC for 6.19
Subsystem:
  - stop setting max_user_freq from the individual drivers as this has not been
    hardware related for a while
 
 New drivers:
  - Andes ATCRTC100
  - Apple SMC
  - Nvidia VRS
 
 Drivers:
  - renesas-rtca3: add RZ/V2H support
  - tegra: add ACPI support
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Merge tag 'rtc-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "Subsystem:
   - stop setting max_user_freq from the individual drivers as this has
     not been hardware related for a while

  New drivers:
   - Andes ATCRTC100
   - Apple SMC
   - Nvidia VRS

  Drivers:
   - renesas-rtca3: add RZ/V2H support
   - tegra: add ACPI support"

* tag 'rtc-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (34 commits)
  rtc: spacemit: MFD_SPACEMIT_P1 as dependencies
  rtc: atcrtc100: Fix signedness bug in probe()
  rtc: max31335: Fix ignored return value in set_alarm
  rtc: gamecube: Check the return value of ioremap()
  Documentation: ABI: testing: Fix "upto" typo in rtc-cdev
  rtc: Add new rtc-macsmc driver for Apple Silicon Macs
  dt-bindings: rtc: Add Apple SMC RTC
  MAINTAINERS: drop unneeded file entry in NVIDIA VRS RTC DRIVER
  rtc: isl12026: Add id_table
  rtc: renesas-rtca3: Add support for multiple reset lines
  dt-bindings: rtc: renesas,rz-rtca3: Add RZ/V2H support
  rtc: tegra: Replace deprecated SIMPLE_DEV_PM_OPS
  rtc: tegra: Add ACPI support
  rtc: tegra: Use devm_clk_get_enabled() in probe
  rtc: Kconfig: add MC34708 to mc13xxx help text
  rtc: s35390a: use u8 instead of char for register buffer
  rtc: nvvrs: add NVIDIA VRS RTC device driver
  dt-bindings: rtc: Document NVIDIA VRS RTC
  rtc: atcrtc100: Add ATCRTC100 RTC driver
  MAINTAINERS: Add entry for ATCRTC100 RTC driver
  ...
2025-12-13 17:09:06 +12:00
Linus Torvalds d358e52546 small dm code refactoring
fix deadlock when reloading a multipath table
 
 don't warn if IMA_DISABLE_HTABLE is not enabled
 
 test for REQ_ATOMIC in dm_accept_partial_bio()
 
 ignore discard return value
 
 MAINTAINERS: add Benjamin Marzinski as a device mapper maintainer
 
 dm-bufio: align write boundary on physical block size
 
 dm-crypt: use the MD5 library directly
 
 dm-crypt: use folio_nr_pages() instead of shift operation
 
 dm-crypt: enable DM_TARGET_ATOMIC_WRITES
 
 dm-verity: remove log message with shash driver name
 
 dm-verity: use the SHA-256 library directly
 
 dm-verity: use 2-way interleaved SHA-256 hashing when supported
 
 dm-verity: expose corrected block count via status
 
 dm-verity: disable recursive forward error correction
 
 dm-verity: remove useless mempool
 
 dm-mpath: enable DM_TARGET_ATOMIC_WRITES
 
 dm-mpath: simplify the setup_scsi_dh code
 
 dm-ebs: mark full buffer dirty even on partial write
 
 dm-vdo: fix kerneldoc warnings
 
 dm-snapshot: fix 'scheduling while atomic' on real-time kernels
 
 dm-raid: fix possible NULL dereference with undefined raid type
 
 dm raid: add documentation for takeover/reshape raid1 -> raid5 table line examples
 
 dm-log-writes: add missing set_freezable() for freezable kthread
 
 dm-pcache: fixes in indexing code
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Merge tag 'for-6.19/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper updates from Mikulas Patocka:

 - convert crypto_shash users to direct crypto library use with simpler
   and faster code and reduced stack usage (Eric Biggers):

     - the dm-verity SHA-256 conversion also teaches it to do two-way
       interleaved hashing for added performance

     - dm-crypt MD5 conversion (used for Loop-AES compatibility)

 - added document for for takeover/reshape raid1 -> raid5 examples (Heinz Mauelshagen)

 - fix dm-vdo kerneldoc warnings (Matthew Sakai)

 - various random fixes and cleanups

* tag 'for-6.19/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (29 commits)
  dm pcache: fix segment info indexing
  dm pcache: fix cache info indexing
  dm-pcache: advance slot index before writing slot
  dm raid: add documentation for takeover/reshape raid1 -> raid5 table line examples
  dm log-writes: Add missing set_freezable() for freezable kthread
  dm-raid: fix possible NULL dereference with undefined raid type
  dm-snapshot: fix 'scheduling while atomic' on real-time kernels
  dm: ignore discard return value
  MAINTAINERS: add Benjamin Marzinski as a device mapper maintainer
  dm-mpath: Simplify the setup_scsi_dh code
  dm vdo: fix kerneldoc warnings
  dm-bufio: align write boundary on physical block size
  dm-crypt: enable DM_TARGET_ATOMIC_WRITES
  dm: test for REQ_ATOMIC in dm_accept_partial_bio()
  dm-verity: remove useless mempool
  dm-verity: disable recursive forward error correction
  dm-ebs: Mark full buffer dirty even on partial write
  dm mpath: enable DM_TARGET_ATOMIC_WRITES
  dm verity fec: Expose corrected block count via status
  dm: Don't warn if IMA_DISABLE_HTABLE is not enabled
  ...
2025-12-11 12:13:29 +09:00
Mikulas Patocka 20f85a1b1a MAINTAINERS: add Benjamin Marzinski as a device mapper maintainer
Ben will be working with me as a maintainer, so add him to the
MAINTAINERS file.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Acked-by: Mike Snitzer <snitzer@kernel.org>
2025-12-10 19:28:22 +01:00
Linus Torvalds 2f7041e59b tracing fix for v6.19:
- Fix unused tracepoint build for modules only using exported tracepoints
 
   The tracepoint-update.c code that looks for unused tracepoints expects
   if tracepoints are used then it will have tracepoints defined. If
   not, it errors out which fails the build.
 
   In most cases this the way things work. A tracepoint can't be used if
   it is not defined. There is one exception; If a module only uses
   tracepoints that are defined in other modules or the vmlinux proper,
   where the tracepoints are exported. In this case, the
   tracepoint-update.c code thinks tracepoints are used but not defined
   and errors out, failing the build.
 
   When tracepoint-update.c detects this case, if it is a module that is
   being processed, exit out normally as it is a legitimate case.
 
 - Add tracepoint-update.c to MAINTAINERS file
 
   The tracepoint-update.c file is specific to tracing so add it to the
   tracing subsystem in the MAINTAINERS file.
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Merge tag 'trace-v6.19-4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull tracing fixes from Steven Rostedt:

 - Fix unused tracepoint build for modules only using exported
   tracepoints

   The tracepoint-update.c code that looks for unused tracepoints
   expects if tracepoints are used then it will have tracepoints
   defined. If not, it errors out which fails the build.

   In most cases this the way things work. A tracepoint can't be used if
   it is not defined. There is one exception; If a module only uses
   tracepoints that are defined in other modules or the vmlinux proper,
   where the tracepoints are exported. In this case, the
   tracepoint-update.c code thinks tracepoints are used but not defined
   and errors out, failing the build.

   When tracepoint-update.c detects this case, if it is a module that is
   being processed, exit out normally as it is a legitimate case.

 - Add tracepoint-update.c to MAINTAINERS file

   The tracepoint-update.c file is specific to tracing so add it to the
   tracing subsystem in the MAINTAINERS file.

* tag 'trace-v6.19-4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  MAINTAINERS: Add tracepoint-update.c to TRACING section
  tracing: Fix unused tracepoints when module uses only exported ones
2025-12-10 16:38:50 +09:00
Steven Rostedt 2c22361ab6 MAINTAINERS: Add tracepoint-update.c to TRACING section
Place the file scripts/tracepoint-update.c in the TRACING section.

Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Link: https://patch.msgid.link/20251208192544.5f2392a7@debian
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2025-12-09 21:17:07 -05:00
Linus Torvalds 9d588a1140 platform-drivers-x86 for v6.19-1
Highlights:
 
 - acer-wmi: Add PH16-72, PHN16-72, and PT14-51 fan control support
 
 - acpi: platform_profile: Add max-power profile option (power draw limited
                           by the cooling hardware, may exceed battery power
 			  draw limit when on AC power)
 
 - amd/hsmp: Allow >1 data-fabric per socket
 
 - asus-armoury: Add WMI attributes driver to expose miscellaneous
                 WMI functions through fw_attributes (deprecates
                 the custom BIOS features interface through asus-wmi)
 
 - asus-wmi: Use brightness_set_blocking() for kbd led
 
 - ayaneo-ec: Add Ayaneo Embedded Controller driver
 
 - fs/nls:
 
   - Fix utf16 -> utf8 string conversion in output size restricted cases
 
   - Improve error code consistency for utf8 -> utf32 conversions
 
 - ideapad-laptop: Fast (Rapid Charge) charge type support
 
 - intel/hid: Add Dell Pro Rugged 10/12 tablet to VGBS DMI quirks
 
 - intel/pmc:
 
   - Arrow Lake telemetry GUID improvements
 
   - Add support for Wildcat Lake PMC information
 
 - intel_pmc_ipc: Fix ACPI buffer memleak
 
 - intel/punit_ipc: Fix memory corruption
 
 - intel/vsec: Wildcat Lake PMT telemetry support
 
 - lenovo-wmi-gamezone: Map "Extreme" performance mode to max-power
 
 - lg-laptop: Add support for the HDAP opregion field
 
 - serial-multi-instantiate: Add IRQ_RESOURCE_OPT for IRQ missing projects
 
 - thinkpad-t14s-ec: Improve suspend/resume support (lid LEDs, keyboard
                     backlight)
 
 - uniwill: Add Uniwill laptop driver
 
 - wmi: Move under drivers/platform/wmi as non-x86 WMI support is around
        the corner and other WMI features will require adding more C
        files as well
 
 - tools/power/x86/intel-speed-select: v1.24
 
   - Check feature status to check if the feature enablement was successful
 
   - Reset SST-TF bucket structure to display valid bucket info
 
 - Miscellaneous cleanups / refactoring / improvements
 
 The following is an automated shortlog grouped by driver:
 
 acer-wmi:
  -  Add fan control support
  -  Add support for PHN16-72
  -  Enable fan control for PH16-72 and PT14-51
  -  Fix setting of fan behavior
 
 acpi:
  -  platform_profile - Add max-power profile option
 
 Add Uniwill laptop driver:
  - Add Uniwill laptop driver
 
 alienware-wmi-wmax:
  -  Simplify FW profile to pprof matching
 
 amd: hfi:
  -  Remove redundant assignment to .owner
  -  Remove unused cpumask from cpuinfo struct
 
 amd/hsmp:
  -  Replace amd_num_nodes() with topology_max_packages()
 
 amd/pmf:
  -  Add BIOS_INPUTS_MAX macro to replace hardcoded array size
  -  Refactor repetitive BIOS output handling
  -  Rename IPU metrics fields to NPU for consistency
  -  Replace magic table id with METRICS_TABLE_ID
  -  Use devm_mutex_init() for mutex initialization
  -  Use explicit SET_CMD/GET_CMD flags in amd_pmf_send_cmd()
 
 arm64: thinkpad-t14s-ec:
  -  add suspend handler for keyboard backlight
  -  add system PM hooks
 
 asus-armoury:
  -  add apu-mem control support
  -  add panel_hd_mode attribute
  -  add ppt_* and nv_* tuning knobs
  -  add screen auto-brightness toggle
  -  add support for FA507UV
  -  add support for GA503QR
  -  Fix error code in mini_led_mode_current_value_store()
  -  fix mini-led mode show
  -  fix only DC tunables being available
  -  move existing tunings to asus-armoury module
 
 asus-wmi:
  -  deprecate bios features
  -  export symbols used for read/write WMI
  -  rename ASUS_WMI_DEVID_PPT_FPPT
  -  use brightness_set_blocking() for kbd led
 
 ayaneo-ec:
  -  Add Ayaneo Embedded Controller platform driver
  -  Add charge control support
  -  Add controller power and modules attributes
  -  Add hwmon support
  -  Add suspend hook
  -  Move Ayaneo devices from oxpec to ayaneo-ec
 
 Documentation: laptops:
  -  Add documentation for uniwill laptops
 
 fs/nls:
  -  Fix inconsistency between utf8_to_utf32() and utf32_to_utf8()
  -  Fix utf16 to utf8 conversion
 
 hp-wmi:
  -  Order DMI board name arrays
 
 ideapad-laptop: Add charge_types:
  - Fast (Rapid Charge)
 
 ideapad-laptop:
  -  Protect GBMD/SBMC calls with mutex
  -  Support multiple power_supply_ext definitions
  -  Use str_on_off() helper
 
 intel/hid:
  -  Add Dell Pro Rugged 10/12 tablet to VGBS DMI quirks
 
 intel/pmc:
  -  Add DMU GUID to Arrow Lake U/H
  -  Add support for multiple DMU GUIDs
  -  Enable SSRAM support for Wildcat Lake
 
 intel_pmc_ipc:
  -  fix ACPI buffer memory leak
 
 intel/pmc:
  -  Relocate lpm_req_guid to pmc_reg_map
  -  Remove redundant has_die_c6 variable
  -  Rename PMC index variable to pmc_idx
  -  Update Arrow Lake telemetry GUID
 
 intel/vsec:
  -  Add support for Wildcat Lake
 
 lenovo-wmi-gamezone Use max-power rather than balanced-performance:
  - lenovo-wmi-gamezone Use max-power rather than balanced-performance
 
 lg-laptop:
  -  Add support for the HDAP opregion field
 
 serial-multi-instantiate:
  -  Add IRQ_RESOURCE_OPT for IRQ missing projects
 
 surface: acpi-notify:
  -  add WQ_PERCPU to alloc_workqueue users
 
 surface: aggregator:
  -  Omit a variable reassignment in ssam_serial_hub_probe()
 
 surface:
  -  replace use of system_wq with system_percpu_wq
 
 tools/power/x86/intel-speed-select:
  -  Check feature status
  -  Reset isst_turbo_freq_info for invalid buckets
  -  v1.24 release
 
 uniwill:
  -  Add TUXEDO devices
  -  Handle more WMI events required for TUXEDO devices
 
 wmi-gamezone:
  -  Add Legion Go 2 Quirks
 
 wmi:
  -  Move WMI core code into a separate directory
  -  Remove extern keyword from prototypes
  -  Use correct type when populating ACPI objects
 
 x86-android-tablets:
  -  Omit a variable reassignment in lenovo_yoga_tab2_830_1050_init_codec()
 
 x86:
  -  replace use of system_wq with system_percpu_wq
 
 Merges:
  -  Merge branch 'fixes' of into for-next
  -  Merge branch 'intel-sst' of https://github.com/spandruvada/linux-kernel into for-next
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Merge tag 'platform-drivers-x86-v6.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver updates from Ilpo Järvinen:

 - acer-wmi: Add PH16-72, PHN16-72, and PT14-51 fan control support

 - acpi: platform_profile: Add max-power profile option (power draw
   limited by the cooling hardware, may exceed battery power draw limit
   when on AC power)

 - amd/hsmp: Allow more than one data-fabric per socket

 - asus-armoury: Add WMI attributes driver to expose miscellaneous WMI
   functions through fw_attributes (deprecates the custom BIOS features
   interface through asus-wmi)

 - asus-wmi: Use brightness_set_blocking() for kbd led

 - ayaneo-ec: Add Ayaneo Embedded Controller driver

 - fs/nls:
     - Fix utf16 to utf8 string conversion when output size restricted
     - Improve error code consistency for utf8 to utf32 conversions

 - ideapad-laptop: Fast (Rapid Charge) charge type support

 - intel/hid: Add Dell Pro Rugged 10/12 tablet to VGBS DMI quirks

 - intel/pmc:
     - Arrow Lake telemetry GUID improvements
     - Add support for Wildcat Lake PMC information

 - intel_pmc_ipc: Fix ACPI buffer memleak

 - intel/punit_ipc: Fix memory corruption

 - intel/vsec: Wildcat Lake PMT telemetry support

 - lenovo-wmi-gamezone: Map "Extreme" performance mode to max-power

 - lg-laptop: Add support for the HDAP opregion field

 - serial-multi-instantiate: Add IRQ_RESOURCE_OPT for IRQ missing
   projects

 - thinkpad-t14s-ec: Improve suspend/resume support (lid LEDs, keyboard
   backlight)

 - uniwill: Add Uniwill laptop driver

 - wmi: Move under drivers/platform/wmi as non-x86 WMI support is around
   the corner and other WMI features will require adding more C files as
   well

 - tools/power/x86/intel-speed-select: v1.24
     - Check feature status to check if the feature enablement was
       successful
     - Reset SST-TF bucket structure to display valid bucket info

 - Miscellaneous cleanups / refactoring / improvements

* tag 'platform-drivers-x86-v6.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (73 commits)
  tools/power/x86/intel-speed-select: v1.24 release
  tools/power/x86/intel-speed-select: Reset isst_turbo_freq_info for invalid buckets
  tools/power/x86/intel-speed-select: Check feature status
  platform/x86: asus-wmi: use brightness_set_blocking() for kbd led
  fs/nls: Fix inconsistency between utf8_to_utf32() and utf32_to_utf8()
  platform/x86: asus-armoury: add support for GA503QR
  platform/x86: intel_pmc_ipc: fix ACPI buffer memory leak
  platform/x86: hp-wmi: Order DMI board name arrays
  platform/x86/intel/hid: Add Dell Pro Rugged 10/12 tablet to VGBS DMI quirks
  platform: surface: replace use of system_wq with system_percpu_wq
  platform: x86: replace use of system_wq with system_percpu_wq
  platform/surface: acpi-notify: add WQ_PERCPU to alloc_workqueue users
  platform/x86: wmi-gamezone: Add Legion Go 2 Quirks
  platform/x86: lenovo-wmi-gamezone Use max-power rather than balanced-performance
  acpi: platform_profile - Add max-power profile option
  platform/x86/amd/pmf: Use devm_mutex_init() for mutex initialization
  platform/x86/amd/pmf: Add BIOS_INPUTS_MAX macro to replace hardcoded array size
  platform/x86: serial-multi-instantiate: Add IRQ_RESOURCE_OPT for IRQ missing projects
  platform/x86/amd/pmf: Refactor repetitive BIOS output handling
  platform/x86/uniwill: Add TUXEDO devices
  ...
2025-12-10 06:38:17 +09:00
Lukas Bulwahn 12c1fa8d46 MAINTAINERS: add idr core-api doc file to XARRAY
The files in Documentation/core-api/ are by virtue of their top-level
directory part of the Documentation section in MAINTAINERS.  Each file in
Documentation/core-api/ should however also have a further section in
MAINTAINERS it belongs to, which fits to the technical area of the
documented API in that file.

idr.rst provides some explanation to the ID allocation API defined in
lib/idr.c, which itself is part of the XARRAY section.

Add this core-api document to XARRAY.

Link: https://lkml.kernel.org/r/20251105105857.156950-1-lukas.bulwahn@redhat.com
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@redhat.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-12-09 11:25:34 -08:00
Linus Torvalds a110f94267 Pin control changes for the v6.19 kernel cycle:
Core changes:
 
 - Handle per-direction skew control in the generic pin config.
 
 - Drop the pointless subsystem boilerplate banner message during
   boot. Less noise in the console. It's available as debug message
   if someone really want it.
 
 New drivers:
 
 - Samsung Exynos 8890 SoC support.
 
 - Samsung Exynos derived Axis Communications ARTPEC-9 SoC support.
   These guys literally live next door to me, ARTPEC spells out
   "Axis Real-Time Picture Encoding Chip" and is tailored for camera
   image streams and is something they have evolved for a quarter of
   a century.
 
 - Mediatek MT6878 SoC support.
 
 - Qualcomm Glymur PMIC support (mostly just compatible strings).
 
 - Qualcomm Kaanapali SoC TLMM support.
 
 - Microchip pic64gx "gpio2" SoC support.
 
 - Microchip Polarfire "iomux0" SoC support.
 
 - CIX Semiconductors SKY1 SoC support.
 
 - Rockchip RK3506 SoC support.
 
 - Airhoa AN7583 chip support.
 
 Improvements:
 
 - Improvements for ST Microelectronics STM32 handling of skew
   settings so input and output can have different skew settings.
 
 - A whole bunch of device tree binding cleanups: Marvell Armada and
   Berlin, Actions Semiconductor S700 and S900, Broadcom Northstar 2
   (NS2), Bitmain BM1880 and Spreadtrum SC9860 are moved over to schema.
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Merge tag 'pinctrl-v6.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control updates from Linus Walleij:
 "The technical details below. For me the CIX Semi and Axis
  Communications ARTPEC-9 SoCs were the most interesting new drivers in
  this merge window.

  Core changes:

   - Handle per-direction skew control in the generic pin config

   - Drop the pointless subsystem boilerplate banner message during
     boot. Less noise in the console. It's available as debug message if
     someone really want it

  New drivers:

   - Samsung Exynos 8890 SoC support

   - Samsung Exynos derived Axis Communications ARTPEC-9 SoC support.
     These guys literally live next door to me, ARTPEC spells out "Axis
     Real-Time Picture Encoding Chip" and is tailored for camera image
     streams and is something they have evolved for a quarter of a
     century

   - Mediatek MT6878 SoC support

   - Qualcomm Glymur PMIC support (mostly just compatible strings)

   - Qualcomm Kaanapali SoC TLMM support

   - Microchip pic64gx "gpio2" SoC support

   - Microchip Polarfire "iomux0" SoC support

   - CIX Semiconductors SKY1 SoC support

   - Rockchip RK3506 SoC support

   - Airhoa AN7583 chip support

  Improvements:

   - Improvements for ST Microelectronics STM32 handling of skew
     settings so input and output can have different skew settings

   - A whole bunch of device tree binding cleanups: Marvell Armada and
     Berlin, Actions Semiconductor S700 and S900, Broadcom Northstar 2
     (NS2), Bitmain BM1880 and Spreadtrum SC9860 are moved over to
     schema"

* tag 'pinctrl-v6.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (107 commits)
  pinctrl: add CONFIG_OF dependencies for microchip drivers
  pinctrl: starfive: use dynamic GPIO base allocation
  pinctrl: single: Fix incorrect type for error return variable
  MAINTAINERS: Change Linus Walleij mail address
  pinctrl: cix: Fix obscure dependency
  dt-bindings: pinctrl: cix,sky1-pinctrl: Drop duplicate newline
  dt-bindings: pinctrl: aspeed,ast2600-pinctrl: Add PCIe RC PERST# group
  pinctrl: airoha: Fix AIROHA_PINCTRL_CONFS_DRIVE_E2 in an7583_pinctrl_match_data
  pinctrl: airoha: fix pinctrl function mismatch issue
  pinctrl: cherryview: Convert to use intel_gpio_add_pin_ranges()
  pinctrl: intel: Export intel_gpio_add_pin_ranges()
  pinctrl: renesas: rzg2l: Refactor OEN register PWPR handling
  pinctrl: airoha: convert comma to semicolon
  pinctrl: elkhartlake: Switch to INTEL_GPP() macro
  pinctrl: cherryview: Switch to INTEL_GPP() macro
  pinctrl: emmitsburg: Switch to INTEL_GPP() macro
  pinctrl: denverton: Switch to INTEL_GPP() macro
  pinctrl: cedarfork: Switch to INTEL_GPP() macro
  pinctrl: airoha: add support for Airoha AN7583 PINs
  dt-bindings: pinctrl: airoha: Document AN7583 Pin Controller
  ...
2025-12-09 06:45:00 +09:00
Hector Martin 49a51df427 rtc: Add new rtc-macsmc driver for Apple Silicon Macs
Apple Silicon Macs (M1, etc.) have an RTC that is part of the PMU IC,
but most of the PMU functionality is abstracted out by the SMC.
On T600x machines, the RTC counter must be accessed via the SMC to
get full functionality, and it seems likely that future machines
will move towards making SMC handle all RTC functionality.

The SMC RTC counter access is implemented on all current machines
as of the time of this writing, on firmware 12.x. However, the RTC
offset (needed to set the time) is still only accessible via direct
PMU access. To handle this, we expose the RTC offset as an NVMEM
cell from the SPMI PMU device node, and this driver consumes that
cell and uses it to compute/set the current time.

Reviewed-by: Neal Gompa <neal@gompa.dev>
Signed-off-by: Hector Martin <marcan@marcan.st>
Signed-off-by: Sven Peter <sven@kernel.org>
Signed-off-by: James Calligeros <jcalligeros99@gmail.com>
Link: https://patch.msgid.link/20251112-macsmc-subdevs-v5-3-728e4b91fe81@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2025-12-08 22:41:59 +01:00
Sven Peter 07049187e8 dt-bindings: rtc: Add Apple SMC RTC
Apple Silicon Macs (M1, etc.) have an RTC that is part of the PMU IC,
but most of the PMU functionality is abstracted out by the SMC.
An additional RTC offset stored inside NVMEM is required to compute
the current date/time.

Reviewed-by: Mark Kettenis <kettenis@openbsd.org>
Reviewed-by: Neal Gompa <neal@gompa.dev>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Sven Peter <sven@kernel.org>
Signed-off-by: James Calligeros <jcalligeros99@gmail.com>
Reviewd-by: Mark Kettenis <kettenis@openbsd.org>
Link: https://patch.msgid.link/20251112-macsmc-subdevs-v5-1-728e4b91fe81@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2025-12-08 22:41:59 +01:00
Linus Torvalds 0623fdf30b phy-for-6.19
- Core
   - Drop Kishon as maintainer, thanks to him for helping, move to credits and
     add Neil to help with reviews.
   - Add new phy_notify_stat to notify phy from controllers during the
     runtime transitions and usage in samsung phy
 
  - New Support
   - Renesas RZ/G3E USB3.0 driver
   - NXP Support TJA1048/TJA1051 CAN phy
   - Rockchip support for rk3506 dsi dphy
   - Qualcomm Glymur QMP PCIe PHY support
 
 - Updates
   - PM support for rcar-gen3-usb2 driver
   - Samsung HDMI/eDP Transmitter Combo PHY updates
   - Freescale imx8mq support for alternate reference clock
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Merge tag 'phy-for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy

Pull phy updates from Vinod Koul:
 "Core:
   - Drop Kishon as maintainer, thanks to him for helping, move to
     credits and add Neil to help with reviews.
   - Add new phy_notify_stat to notify phy from controllers during the
     runtime transitions and usage in samsung phy

  New hardware support:
   - Renesas RZ/G3E USB3.0 driver
   - NXP Support TJA1048/TJA1051 CAN phy
   - Rockchip support for rk3506 dsi dphy
   - Qualcomm Glymur QMP PCIe PHY support

  Updates:
   - PM support for rcar-gen3-usb2 driver
   - Samsung HDMI/eDP Transmitter Combo PHY updates
   - Freescale imx8mq support for alternate reference clock"

* tag 'phy-for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (40 commits)
  MAINTAINERS: phy: Add Neil Armstrong as reviewers for phy subsystem
  MAINTAINERS: phy: Move Kishon Vijay Abraham I to credits
  phy: fsl-imx8mq-usb: support alternate reference clock
  dt-bindings: phy: imx8mq-usb: add alternate reference clock
  phy: rockchip: samsung-hdptx: Prevent Inter-Pair Skew from exceeding the limits
  phy: rockchip: samsung-hdptx: Reduce ROPLL loop bandwidth
  phy: rockchip: samsung-hdptx: Fix reported clock rate in high bpc mode
  phy: ti: gmii-sel: Add a sanity check on the phy_id
  phy: qcom: qmp-pcie: Add support for Glymur PCIe Gen5x4 PHY
  phy: qcom-qmp: pcs: Add v8.50 register offsets
  dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: Document the Glymur QMP PCIe PHY
  dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: Restrict resets per each device
  phy: freescale: Initialize priv->lock
  phy: renesas: Remove unneeded semicolons
  phy: qcom: m31-eusb2: Update init sequence to set PHY_ENABLE
  phy: qcom: qmp-combo: get the USB3 & DisplayPort lanes mapping from DT
  dt-bindings: phy: qcom,sc8280xp-qmp-usb43dp-phy: Document lanes mapping when not using in USB-C complex
  phy: rockchip: naneng-combphy: Fix PCIe L1ss support RK3562
  phy: rockchip: naneng-combphy: Fix PCIe L1ss support RK3528
  phy: renesas: rcar-gen3-usb2: Add suspend/resume support
  ...
2025-12-09 06:31:47 +09:00
Lukas Bulwahn 40d8123ff7 MAINTAINERS: drop unneeded file entry in NVIDIA VRS RTC DRIVER
Commit 9d6d6b0693 ("rtc: nvvrs: add NVIDIA VRS RTC device driver") adds
the section NVIDIA VRS RTC DRIVER in MAINTAINERS, which refers to the
non-existing file include/linux/rtc/rtc-nvidia-vrs10.h

Note, with the changes of v6 to v7 of the patch series adding the driver,
the content of this include file was moved into the driver file, and the
include file was dropped from that patch. It was simply missed to adjust
the section in MAINTAINERS that was newly added with that patch.

Drop the file entry to this non-existing file accordingly now.

Signed-off-by: Lukas Bulwahn <lukas.bulwahn@redhat.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Shubhi Garg <shgarg@nvidia.com>
Link: https://patch.msgid.link/20251110073544.443816-1-lukas.bulwahn@redhat.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2025-12-08 22:31:29 +01:00
Linus Torvalds feb06d2690 hyperv-next for v6.19
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Merge tag 'hyperv-next-signed-20251207' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux

Pull hyperv updates from Wei Liu:

 - Enhancements to Linux as the root partition for Microsoft Hypervisor:
     - Support a new mode called L1VH, which allows Linux to drive the
       hypervisor running the Azure Host directly
     - Support for MSHV crash dump collection
     - Allow Linux's memory management subsystem to better manage guest
       memory regions
     - Fix issues that prevented a clean shutdown of the whole system on
       bare metal and nested configurations
     - ARM64 support for the MSHV driver
     - Various other bug fixes and cleanups

 - Add support for Confidential VMBus for Linux guest on Hyper-V

 - Secure AVIC support for Linux guests on Hyper-V

 - Add the mshv_vtl driver to allow Linux to run as the secure kernel in
   a higher virtual trust level for Hyper-V

* tag 'hyperv-next-signed-20251207' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux: (58 commits)
  mshv: Cleanly shutdown root partition with MSHV
  mshv: Use reboot notifier to configure sleep state
  mshv: Add definitions for MSHV sleep state configuration
  mshv: Add support for movable memory regions
  mshv: Add refcount and locking to mem regions
  mshv: Fix huge page handling in memory region traversal
  mshv: Move region management to mshv_regions.c
  mshv: Centralize guest memory region destruction
  mshv: Refactor and rename memory region handling functions
  mshv: adjust interrupt control structure for ARM64
  Drivers: hv: use kmalloc_array() instead of kmalloc()
  mshv: Add ioctl for self targeted passthrough hvcalls
  Drivers: hv: Introduce mshv_vtl driver
  Drivers: hv: Export some symbols for mshv_vtl
  static_call: allow using STATIC_CALL_TRAMP_STR() from assembly
  mshv: Extend create partition ioctl to support cpu features
  mshv: Allow mappings that overlap in uaddr
  mshv: Fix create memory region overlap check
  mshv: add WQ_PERCPU to alloc_workqueue users
  Drivers: hv: Use kmalloc_array() instead of kmalloc()
  ...
2025-12-09 06:10:17 +09:00
Linus Torvalds ba65a4e712 This pull request is entirely SoC clk drivers, not for lack of trying to modify
the core clk framework. The majority diff wise is for the new Rockchip and
 Qualcomm clk drivers which is mostly lines and lines of data structures to
 describe the clk hardware in these SoCs. Beyond those two, Renesas continues to
 incrementally add clks to their SoC drivers, causing them to show up higher in
 the diffstat this time because they added quite a few clks all over the place.
 Overall it is a semi-quiet release that has some new clk drivers and the usual
 fixes for clock data that was wrong or missing and non-critical cleanups that
 plug error paths or fix typos.
 
 New Drivers:
  - Qualcomm IPQ5424 Network Subsystem Clock Controller
  - Qualcomm SM8750 Video Clock Controller
  - Rockchip RV1126B and RK3506 clock drivers
  - i.MX8ULP SIM LPAV clock driver
  - Samsung ACPM (firmware interface) clock driver
  - Altera Agilex5 clock driver
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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 entirely SoC clk drivers.

  The majority diff wise is for the new Rockchip and Qualcomm clk
  drivers which is mostly lines and lines of data structures to describe
  the clk hardware in these SoCs. Beyond those two, Renesas continues to
  incrementally add clks to their SoC drivers, causing them to show up
  higher in the diffstat this time because they added quite a few clks
  all over the place.

  Overall it is a semi-quiet release that has some new clk drivers and
  the usual fixes for clock data that was wrong or missing and
  non-critical cleanups that plug error paths or fix typos.

  New Drivers:
   - Qualcomm IPQ5424 Network Subsystem Clock Controller
   - Qualcomm SM8750 Video Clock Controller
   - Rockchip RV1126B and RK3506 clock drivers
   - i.MX8ULP SIM LPAV clock driver
   - Samsung ACPM (firmware interface) clock driver
   - Altera Agilex5 clock driver"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (117 commits)
  clk: keystone: fix compile testing
  clk: keystone: syscon-clk: fix regmap leak on probe failure
  clk: qcom: Mark camcc_sm7150_hws static
  clk: samsung: exynos-clkout: Assign .num before accessing .hws
  clk: rockchip: Add clock and reset driver for RK3506
  dt-bindings: clock: rockchip: Add RK3506 clock and reset unit
  clk: actions: Fix discarding const qualifier by 'container_of' macro
  clk: spacemit: Set clk_hw_onecell_data::num before using flex array
  clk: visconti: Add VIIF clocks
  dt-bindings: clock: tmpv770x: Add VIIF clocks
  dt-bindings: clock: tmpv770x: Remove definition of number of clocks
  clk: visconti: Do not define number of clocks in bindings
  clk: rockchip: Add clock controller for the RV1126B
  dt-bindings: clock, reset: Add support for rv1126b
  clk: rockchip: Implement rockchip_clk_register_armclk_multi_pll()
  clk: qcom: x1e80100-dispcc: Add USB4 router link resets
  dt-bindings: clock: qcom: x1e80100-dispcc: Add USB4 router link resets
  clk: qcom: videocc-sm8750: Add video clock controller driver for SM8750
  dt-bindings: clock: qcom: Add SM8750 video clock controller
  clk: qcom: branch: Extend invert logic for branch2 mem clocks
  ...
2025-12-08 09:38:52 +09:00
Linus Torvalds 37bb2e7217 Staging driver updates for 6.19-rc1
Here is the big set of staging driver updates for 6.19-rc1.  Only thing
 "major" in here is that two subsystems, gpib and vc04 have moved out of
 the staging tree into the "real" portion of the kernel, which is great
 to see.  Other than that, the rest of the changes are just tiny coding
 style cleanups, nothing earth-shattering.
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver updates from Greg KH:
 "Here is the big set of staging driver updates for 6.19-rc1.

  Only thing "major" in here is that two subsystems, gpib and vc04 have
  moved out of the staging tree into the "real" portion of the kernel,
  which is great to see. Other than that, the rest of the changes are
  just tiny coding style cleanups, nothing earth-shattering.

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

* tag 'staging-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (53 commits)
  staging: rtl8723bs: fix out-of-bounds read in OnBeacon ESR IE parsing
  staging: rtl8723bs: fix stack buffer overflow in OnAssocReq IE parsing
  staging: rtl8723bs: fix out-of-bounds read in rtw_get_ie() parser
  staging: gpib: Clean-up commented-out code
  staging: rtl8723bs: remove custom FIELD_OFFSET macro
  staging: rtl8723bs: replace FIELD_OFFSET usage with offsetof in rtw_mlme_ext.c
  staging: rtl8723bs: remove dead commented code from odm.c
  staging: rtl8723bs: use standard offsetof in cfg80211 operations
  staging: rtl8723bs: remove unused registry and BSSID offset macros
  staging: rtl8723bs: core: delete commented-out code
  staging: rtl8723bs: core: fix block comment style issues
  staging: greybus: uart: check return values during probe
  staging: fbtft: core: fix potential memory leak in fbtft_probe_common()
  staging: gpib: Destage gpib
  staging: gpib: Fix SPDX license for gpib headers
  staging: gpib: Update TODO file
  staging: gpib: Change // comments in uapi header file
  platform/raspberrypi: Destage VCHIQ MMAL driver
  platform/raspberrypi: Destage VCHIQ interface
  staging: vc04_services: Cleanup VCHIQ TODO entries
  ...
2025-12-06 18:52:00 -08:00
Linus Torvalds f5e9d31e79 USB/Thunderbolt changes for 6.19-rc1
Here is the big set of USB and Thunderbolt driver updates for 6.19-rc1.
 Nothing major here, just lots of tiny updates for most of the common USB
 drivers.  Included in here are:
   - more xhci driver updates and fixes
   - Thunderbolt driver cleanups
   - usb serial driver updates
   - typec driver updates
   - USB tracepoint additions
   - dwc3 driver updates, including support for Apple hardware
   - lots of other smaller driver updates and cleanups
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB/Thunderbolt updates from Greg KH:
 "Here is the big set of USB and Thunderbolt driver updates for
  6.19-rc1. Nothing major here, just lots of tiny updates for most of
  the common USB drivers. Included in here are:

   - more xhci driver updates and fixes

   - Thunderbolt driver cleanups

   - usb serial driver updates

   - typec driver updates

   - USB tracepoint additions

   - dwc3 driver updates, including support for Apple hardware

   - lots of other smaller driver updates and cleanups

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

* tag 'usb-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (161 commits)
  usb: gadget: tegra-xudc: Always reinitialize data toggle when clear halt
  USB: serial: option: move Telit 0x10c7 composition in the right place
  USB: serial: option: add Telit Cinterion FE910C04 new compositions
  usb: typec: ucsi: fix use-after-free caused by uec->work
  usb: typec: ucsi: fix probe failure in gaokun_ucsi_probe()
  usb: dwc3: core: Remove redundant comment in core init
  usb: phy: Initialize struct usb_phy list_head
  USB: serial: option: add Foxconn T99W760
  usb: usb-storage: No additional quirks need to be added to the EL-R12 optical drive.
  usb: typec: hd3ss3220: Enable VBUS based on ID pin state
  dt-bindings: usb: ti,hd3ss3220: Add support for VBUS based on ID state
  usb: typec: anx7411: add WQ_PERCPU to alloc_workqueue users
  USB: add WQ_PERCPU to alloc_workqueue users
  dt-bindings: usb: dwc3-xilinx: Describe the reset constraint for the versal platform
  drivers/usb/storage: use min() instead of min_t()
  usb: raw-gadget: cap raw_io transfer length to KMALLOC_MAX_SIZE
  usb: ohci-da8xx: remove unused platform data
  usb: gadget: functionfs: use dma_buf_unmap_attachment_unlocked() helper
  usb: uas: reduce time under spinlock
  usb: dwc3: eic7700: Add EIC7700 USB driver
  ...
2025-12-06 18:42:12 -08:00
Linus Torvalds 83bd89291f Char/Misc/IIO driver updates for 6.19-rc1
Here is the big set of char/misc/iio driver updates for 6.19-rc1.  Lots
 of stuff in here including:
   - lots of IIO driver updates, cleanups, and additions.
   - large interconnect driver changes as they get converted over to a
     dynamic system of ids
   - coresight driver updates
   - mwave driver updates
   - binder driver updates and changes
   - comedi driver fixes now that the fuzzers are being set loose on them
   - nvmem driver updates
   - new uio driver addition
   - lots of other small char/misc driver updates, full details in the
     shortlog
 
 All of these have been in linux-next for a while now, with no reported
 issues other than a merge conflict with your tree that should be trivial
 to handle (take both sides).
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc/IIO driver updates from Greg KH:
 "Here is the big set of char/misc/iio driver updates for 6.19-rc1. Lots
  of stuff in here including:

   - lots of IIO driver updates, cleanups, and additions

   - large interconnect driver changes as they get converted over to a
     dynamic system of ids

   - coresight driver updates

   - mwave driver updates

   - binder driver updates and changes

   - comedi driver fixes now that the fuzzers are being set loose on
     them

   - nvmem driver updates

   - new uio driver addition

   - lots of other small char/misc driver updates, full details in the
     shortlog

  All of these have been in linux-next for a while now"

* tag 'char-misc-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (304 commits)
  char: applicom: fix NULL pointer dereference in ac_ioctl
  hangcheck-timer: fix coding style spacing
  hangcheck-timer: Replace %Ld with %lld
  hangcheck-timer: replace printk(KERN_CRIT) with pr_crit
  uio: Add SVA support for PCI devices via uio_pci_generic_sva.c
  dt-bindings: slimbus: fix warning from example
  intel_th: Fix error handling in intel_th_output_open
  misc: rp1: Fix an error handling path in rp1_probe()
  char: xillybus: add WQ_UNBOUND to alloc_workqueue users
  misc: bh1770glc: use pm_runtime_resume_and_get() in power_state_store
  misc: cb710: Fix a NULL vs IS_ERR() check in probe()
  mux: mmio: Add suspend and resume support
  virt: acrn: split acrn_mmio_dev_res out of acrn_mmiodev
  greybus: gb-beagleplay: Fix timeout handling in bootloader functions
  greybus: add WQ_PERCPU to alloc_workqueue users
  char/mwave: drop typedefs
  char/mwave: drop printk wrapper
  char/mwave: remove printk tracing
  char/mwave: remove unneeded fops
  char/mwave: remove MWAVE_FUTZ_WITH_OTHER_DEVICES ifdeffery
  ...
2025-12-06 18:34:24 -08:00
Linus Torvalds 509d3f4584 Significant patch series in this pull request:
- The 6 patch series "panic: sys_info: Refactor and fix a potential
   issue" from Andy Shevchenko fixes a build issue and does some cleanup in
   ib/sys_info.c.
 
 - The 9 patch series "Implement mul_u64_u64_div_u64_roundup()" from
   David Laight enhances the 64-bit math code on behalf of a PWM driver and
   beefs up the test module for these library functions.
 
 - The 2 patch series "scripts/gdb/symbols: make BPF debug info available
   to GDB" from Ilya Leoshkevich makes BPF symbol names, sizes, and line
   numbers available to the GDB debugger.
 
 - The 4 patch series "Enable hung_task and lockup cases to dump system
   info on demand" from Feng Tang adds a sysctl which can be used to cause
   additional info dumping when the hung-task and lockup detectors fire.
 
 - The 6 patch series "lib/base64: add generic encoder/decoder, migrate
   users" from Kuan-Wei Chiu adds a general base64 encoder/decoder to lib/
   and migrates several users away from their private implementations.
 
 - The 2 patch series "rbree: inline rb_first() and rb_last()" from Eric
   Dumazet makes TCP a little faster.
 
 - The 9 patch series "liveupdate: Rework KHO for in-kernel users" from
   Pasha Tatashin reworks the KEXEC Handover interfaces in preparation for
   Live Update Orchestrator (LUO), and possibly for other future clients.
 
 - The 13 patch series "kho: simplify state machine and enable dynamic
   updates" from Pasha Tatashin increases the flexibility of KEXEC
   Handover.  Also preparation for LUO.
 
 - The 18 patch series "Live Update Orchestrator" from Pasha Tatashin is
   a major new feature targeted at cloud environments.  Quoting the [0/N]:
 
     This series introduces the Live Update Orchestrator, a kernel subsystem
     designed to facilitate live kernel updates using a kexec-based reboot.
     This capability is critical for cloud environments, allowing hypervisors
     to be updated with minimal downtime for running virtual machines.  LUO
     achieves this by preserving the state of selected resources, such as
     memory, devices and their dependencies, across the kernel transition.
 
     As a key feature, this series includes support for preserving memfd file
     descriptors, which allows critical in-memory data, such as guest RAM or
     any other large memory region, to be maintained in RAM across the kexec
     reboot.
 
   Mike Rappaport merits a mention here, for his extensive review and
   testing work.
 
 - The 3 patch series "kexec: reorganize kexec and kdump sysfs" from
   Sourabh Jain moves the kexec and kdump sysfs entries from /sys/kernel/
   to /sys/kernel/kexec/ and adds back-compatibility symlinks which can
   hopefully be removed one day.
 
 - The 2 patch series "kho: fixes for vmalloc restoration" from Mike
   Rapoport fixes a BUG which was being hit during KHO restoration of
   vmalloc() regions.
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Merge tag 'mm-nonmm-stable-2025-12-06-11-14' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull non-MM updates from Andrew Morton:

 - "panic: sys_info: Refactor and fix a potential issue" (Andy Shevchenko)
   fixes a build issue and does some cleanup in ib/sys_info.c

 - "Implement mul_u64_u64_div_u64_roundup()" (David Laight)
   enhances the 64-bit math code on behalf of a PWM driver and beefs up
   the test module for these library functions

 - "scripts/gdb/symbols: make BPF debug info available to GDB" (Ilya Leoshkevich)
   makes BPF symbol names, sizes, and line numbers available to the GDB
   debugger

 - "Enable hung_task and lockup cases to dump system info on demand" (Feng Tang)
   adds a sysctl which can be used to cause additional info dumping when
   the hung-task and lockup detectors fire

 - "lib/base64: add generic encoder/decoder, migrate users" (Kuan-Wei Chiu)
   adds a general base64 encoder/decoder to lib/ and migrates several
   users away from their private implementations

 - "rbree: inline rb_first() and rb_last()" (Eric Dumazet)
   makes TCP a little faster

 - "liveupdate: Rework KHO for in-kernel users" (Pasha Tatashin)
   reworks the KEXEC Handover interfaces in preparation for Live Update
   Orchestrator (LUO), and possibly for other future clients

 - "kho: simplify state machine and enable dynamic updates" (Pasha Tatashin)
   increases the flexibility of KEXEC Handover. Also preparation for LUO

 - "Live Update Orchestrator" (Pasha Tatashin)
   is a major new feature targeted at cloud environments. Quoting the
   cover letter:

      This series introduces the Live Update Orchestrator, a kernel
      subsystem designed to facilitate live kernel updates using a
      kexec-based reboot. This capability is critical for cloud
      environments, allowing hypervisors to be updated with minimal
      downtime for running virtual machines. LUO achieves this by
      preserving the state of selected resources, such as memory,
      devices and their dependencies, across the kernel transition.

      As a key feature, this series includes support for preserving
      memfd file descriptors, which allows critical in-memory data, such
      as guest RAM or any other large memory region, to be maintained in
      RAM across the kexec reboot.

   Mike Rappaport merits a mention here, for his extensive review and
   testing work.

 - "kexec: reorganize kexec and kdump sysfs" (Sourabh Jain)
   moves the kexec and kdump sysfs entries from /sys/kernel/ to
   /sys/kernel/kexec/ and adds back-compatibility symlinks which can
   hopefully be removed one day

 - "kho: fixes for vmalloc restoration" (Mike Rapoport)
   fixes a BUG which was being hit during KHO restoration of vmalloc()
   regions

* tag 'mm-nonmm-stable-2025-12-06-11-14' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (139 commits)
  calibrate: update header inclusion
  Reinstate "resource: avoid unnecessary lookups in find_next_iomem_res()"
  vmcoreinfo: track and log recoverable hardware errors
  kho: fix restoring of contiguous ranges of order-0 pages
  kho: kho_restore_vmalloc: fix initialization of pages array
  MAINTAINERS: TPM DEVICE DRIVER: update the W-tag
  init: replace simple_strtoul with kstrtoul to improve lpj_setup
  KHO: fix boot failure due to kmemleak access to non-PRESENT pages
  Documentation/ABI: new kexec and kdump sysfs interface
  Documentation/ABI: mark old kexec sysfs deprecated
  kexec: move sysfs entries to /sys/kernel/kexec
  test_kho: always print restore status
  kho: free chunks using free_page() instead of kfree()
  selftests/liveupdate: add kexec test for multiple and empty sessions
  selftests/liveupdate: add simple kexec-based selftest for LUO
  selftests/liveupdate: add userspace API selftests
  docs: add documentation for memfd preservation via LUO
  mm: memfd_luo: allow preserving memfd
  liveupdate: luo_file: add private argument to store runtime state
  mm: shmem: export some functions to internal.h
  ...
2025-12-06 14:01:20 -08:00
Linus Torvalds b0319c4642 NFSD 6.19 Release Notes
Mike Snitzer's mechanism for disabling I/O caching introduced in
 v6.18 is extended to include using direct I/O. The goal is to
 further reduce the memory footprint consumed by NFS clients
 accessing large data sets via NFSD.
 
 The NFSD community adopted a maintainer entry profile during this
 cycle. See
 
   Documentation/filesystems/nfs/nfsd-maintainer-entry-profile.rst
 
 Work continues on hardening NFSD's implementation of the pNFS block
 layout type. This type enables pNFS clients to directly access the
 underlying block devices that contain an exported file system,
 reducing server overhead and increasing data throughput.
 
 The remaining patches in this pull request are clean-ups and minor
 optimizations. Many thanks to the contributors, reviewers, testers,
 and bug reporters who participated during the v6.19 NFSD development
 cycle.
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Merge tag 'nfsd-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux

Pull nfsd updates from Chuck Lever:

 - Mike Snitzer's mechanism for disabling I/O caching introduced in
   v6.18 is extended to include using direct I/O. The goal is to further
   reduce the memory footprint consumed by NFS clients accessing large
   data sets via NFSD.

 - The NFSD community adopted a maintainer entry profile during this
   cycle. See

      Documentation/filesystems/nfs/nfsd-maintainer-entry-profile.rst

 - Work continues on hardening NFSD's implementation of the pNFS block
   layout type. This type enables pNFS clients to directly access the
   underlying block devices that contain an exported file system,
   reducing server overhead and increasing data throughput.

 - The remaining patches are clean-ups and minor optimizations. Many
   thanks to the contributors, reviewers, testers, and bug reporters who
   participated during the v6.19 NFSD development cycle.

* tag 'nfsd-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: (38 commits)
  NFSD: nfsd-io-modes: Separate lists
  NFSD: nfsd-io-modes: Wrap shell snippets in literal code blocks
  NFSD: Add toctree entry for NFSD IO modes docs
  NFSD: add Documentation/filesystems/nfs/nfsd-io-modes.rst
  NFSD: Implement NFSD_IO_DIRECT for NFS WRITE
  NFSD: Make FILE_SYNC WRITEs comply with spec
  NFSD: Add trace point for SCSI fencing operation.
  NFSD: use correct reservation type in nfsd4_scsi_fence_client
  xdrgen: Don't generate unnecessary semicolon
  xdrgen: Fix union declarations
  NFSD: don't start nfsd if sv_permsocks is empty
  xdrgen: handle _XdrString in union encoder/decoder
  xdrgen: Fix the variable-length opaque field decoder template
  xdrgen: Make the xdrgen script location-independent
  xdrgen: Generalize/harden pathname construction
  lockd: don't allow locking on reexported NFSv2/3
  MAINTAINERS: add a nfsd blocklayout reviewer
  nfsd: Use MD5 library instead of crypto_shash
  nfsd: stop pretending that we cache the SEQUENCE reply.
  NFS: nfsd-maintainer-entry-profile: Inline function name prefixes
  ...
2025-12-06 10:57:02 -08:00
Linus Torvalds 249872f53d tsm for 6.19
- Introduce the PCI/TSM core for the coordination of device
   authentication, link encryption and establishment (IDE), and later
   management of the device security operational states (TDISP). Notify
   the new TSM core layer of PCI device arrival and departure.
 
 - Add a low level TSM driver for the link encryption establishment
   capabilities of the AMD SEV-TIO architecture.
 
 - Add a library of helpers TSM drivers to use for IDE establishment and
   the DOE transport.
 
 - Add skeleton support for 'bind' and 'guest_request' operations in
   support of TDISP.
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Merge tag 'tsm-for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/devsec/tsm

Pull PCIe Link Encryption and Device Authentication from Dan Williams:
 "New PCI infrastructure and one architecture implementation for PCIe
  link encryption establishment via platform firmware services.

  This work is the result of multiple vendors coming to consensus on
  some core infrastructure (thanks Alexey, Yilun, and Aneesh!), and
  three vendor implementations, although only one is included in this
  pull. The PCI core changes have an ack from Bjorn, the crypto/ccp/
  changes have an ack from Tom, and the iommu/amd/ changes have an ack
  from Joerg.

  PCIe link encryption is made possible by the soup of acronyms
  mentioned in the shortlog below. Link Integrity and Data Encryption
  (IDE) is a protocol for installing keys in the transmitter and
  receiver at each end of a link. That protocol is transported over Data
  Object Exchange (DOE) mailboxes using PCI configuration requests.

  The aspect that makes this a "platform firmware service" is that the
  key provisioning and protocol is coordinated through a Trusted
  Execution Envrionment (TEE) Security Manager (TSM). That is either
  firmware running in a coprocessor (AMD SEV-TIO), or quasi-hypervisor
  software (Intel TDX Connect / ARM CCA) running in a protected CPU
  mode.

  Now, the only reason to ask a TSM to run this protocol and install the
  keys rather than have a Linux driver do the same is so that later, a
  confidential VM can ask the TSM directly "can you certify this
  device?".

  That precludes host Linux from provisioning its own keys, because host
  Linux is outside the trust domain for the VM. It also turns out that
  all architectures, save for one, do not publish a mechanism for an OS
  to establish keys in the root port. So "TSM-established link
  encryption" is the only cross-architecture path for this capability
  for the foreseeable future.

  This unblocks the other arch implementations to follow in v6.20/v7.0,
  once they clear some other dependencies, and it unblocks the next
  phase of work to implement the end-to-end flow of confidential device
  assignment. The PCIe specification calls this end-to-end flow Trusted
  Execution Environment (TEE) Device Interface Security Protocol
  (TDISP).

  In the meantime, Linux gets a link encryption facility which has
  practical benefits along the same lines as memory encryption. It
  authenticates devices via certificates and may protect against
  interposer attacks trying to capture clear-text PCIe traffic.

  Summary:

   - Introduce the PCI/TSM core for the coordination of device
     authentication, link encryption and establishment (IDE), and later
     management of the device security operational states (TDISP).
     Notify the new TSM core layer of PCI device arrival and departure

   - Add a low level TSM driver for the link encryption establishment
     capabilities of the AMD SEV-TIO architecture

   - Add a library of helpers TSM drivers to use for IDE establishment
     and the DOE transport

   - Add skeleton support for 'bind' and 'guest_request' operations in
     support of TDISP"

* tag 'tsm-for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/devsec/tsm: (23 commits)
  crypto/ccp: Fix CONFIG_PCI=n build
  virt: Fix Kconfig warning when selecting TSM without VIRT_DRIVERS
  crypto/ccp: Implement SEV-TIO PCIe IDE (phase1)
  iommu/amd: Report SEV-TIO support
  psp-sev: Assign numbers to all status codes and add new
  ccp: Make snp_reclaim_pages and __sev_do_cmd_locked public
  PCI/TSM: Add 'dsm' and 'bound' attributes for dependent functions
  PCI/TSM: Add pci_tsm_guest_req() for managing TDIs
  PCI/TSM: Add pci_tsm_bind() helper for instantiating TDIs
  PCI/IDE: Initialize an ID for all IDE streams
  PCI/IDE: Add Address Association Register setup for downstream MMIO
  resource: Introduce resource_assigned() for discerning active resources
  PCI/TSM: Drop stub for pci_tsm_doe_transfer()
  drivers/virt: Drop VIRT_DRIVERS build dependency
  PCI/TSM: Report active IDE streams
  PCI/IDE: Report available IDE streams
  PCI/IDE: Add IDE establishment helpers
  PCI: Establish document for PCI host bridge sysfs attributes
  PCI: Add PCIe Device 3 Extended Capability enumeration
  PCI/TSM: Establish Secure Sessions and Link Encryption
  ...
2025-12-06 10:15:41 -08:00
Linus Torvalds f468cf53c5 bitmap updates for v6.19
- Runtime field_{get,prep}() (Geert);
  - Rust ID pool updates (Alice);
  - min_t() simplification (David);
  - __sw_hweightN kernel-doc fixes (Andy);
  - cpumask.h headers cleanup (Andy).
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Merge tag 'bitmap-for-6.19' of github.com:/norov/linux

Pull bitmap updates from Yury Norov:

 - Runtime field_{get,prep}() (Geert)

 - Rust ID pool updates (Alice)

 - min_t() simplification (David)

 - __sw_hweightN kernel-doc fixes (Andy)

 - cpumask.h headers cleanup (Andy)

* tag 'bitmap-for-6.19' of github.com:/norov/linux: (32 commits)
  rust_binder: use bitmap for allocation of handles
  rust: id_pool: do not immediately acquire new ids
  rust: id_pool: do not supply starting capacity
  rust: id_pool: rename IdPool::new() to with_capacity()
  rust: bitmap: add BitmapVec::new_inline()
  rust: bitmap: add MAX_LEN and MAX_INLINE_LEN constants
  cpumask: Don't use "proxy" headers
  soc: renesas: Use bitfield helpers
  clk: renesas: Use bitfield helpers
  ALSA: usb-audio: Convert to common field_{get,prep}() helpers
  soc: renesas: rz-sysc: Convert to common field_get() helper
  pinctrl: ma35: Convert to common field_{get,prep}() helpers
  iio: mlx90614: Convert to common field_{get,prep}() helpers
  iio: dac: Convert to common field_prep() helper
  gpio: aspeed: Convert to common field_{get,prep}() helpers
  EDAC/ie31200: Convert to common field_get() helper
  crypto: qat - convert to common field_get() helper
  clk: at91: Convert to common field_{get,prep}() helpers
  bitfield: Add non-constant field_{prep,get}() helpers
  bitfield: Add less-checking __FIELD_{GET,PREP}()
  ...
2025-12-06 09:01:27 -08:00
Linus Torvalds c84d574698 Modules changes for v6.19-rc1
Rust module parameter support:
 
 - Add Rust module parameter support, enabling Rust kernel modules to declare
   and use module parameters. The rust_minimal sample module demonstrates this,
   and the rust null block driver will be the first to use it in the next cycle.
   This also adds the Rust module files under the modules subsystem as agreed
   between the Rust and modules maintainers.
 
 Hardening:
 
 - Add compile-time check for embedded NUL characters in MODULE_*() macros. This
   module metadata was once used (and maybe still) to bypass license enforcement
   (LWN article [1] from 2003). This change required a sparse fix [2] which you
   reviewed.
 
 MAINTAINERS:
 
 - Add Aaron Tomlin as reviewer for the Modules subsystem.
 
 The changes have been in linux-next for 4 weeks. Recent 0day reports for UM [3]
 and arm64 [4] builds were not reproducible and traced to a buggy bindgen version
 combined with unreleased clang-22 in 0day. The Rust team has reported this to
 0day.
 
 As discussed previously, we rotate module maintainership among co-maintainers
 every 6 months. Sami Tolvanen is next in line and will send the next pull
 request. As a reminder, Luis has already announced [5] he will gradually step
 away as maintainer.
 
 Link: https://lwn.net/Articles/82305/ [1]
 Link: https://lore.kernel.org/linux-sparse/CACePvbVG2KrGQq4cNKV=wbO5h=jp3M0RO1SdfX8kV4OukjPG8A@mail.gmail.com/T/#mf838b3e2e3245d88c30a801ea7473d5a5c0eb121 [2]
 Link: https://lore.kernel.org/oe-kbuild-all/202511210858.uwVivgvn-lkp@intel.com/ [3]
 Link: https://lore.kernel.org/oe-kbuild-all/202512020454.Tf36WHw5-lkp@intel.com/ [4]
 Link: https://lore.kernel.org/linux-modules/aGiAF8IQ4PRYn0th@bombadil.infradead.org/ [5]
 Signed-off-by: Daniel Gomez <da.gomez@samsung.com>
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Merge tag 'modules-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux

Pull module updates from Daniel Gomez:
 "Rust module parameter support:

   - Add Rust module parameter support, enabling Rust kernel modules to
     declare and use module parameters. The rust_minimal sample module
     demonstrates this, and the rust null block driver will be the first
     to use it in the next cycle. This also adds the Rust module files
     under the modules subsystem as agreed between the Rust and modules
     maintainers.

  Hardening:

   - Add compile-time check for embedded NUL characters in MODULE_*()
     macros. This module metadata was once used (and maybe still) to
     bypass license enforcement (LWN article from 2003):

	https://lwn.net/Articles/82305/ [1]

  MAINTAINERS:

   - Add Aaron Tomlin as reviewer for the Modules subsystem"

* tag 'modules-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux:
  MAINTAINERS: Add myself as reviewer for module support
  module: Add compile-time check for embedded NUL characters
  media: radio: si470x: Fix DRIVER_AUTHOR macro definition
  media: dvb-usb-v2: lmedm04: Fix firmware macro definitions
  modules: add rust modules files to MAINTAINERS
  rust: samples: add a module parameter to the rust_minimal sample
  rust: module: update the module macro with module parameter support
  rust: module: use a reference in macros::module::module
  rust: introduce module_param module
  rust: str: add radix prefixed integer parsing functions
  rust: sync: add `SetOnce`
2025-12-06 08:27:07 -08:00
Linus Torvalds 416f99c3b1 Driver core changes for 6.19-rc1
- Arch Topology:
   - Move parse_acpi_topology() from arm64 to common code for reuse in RISC-V
 
 - CPU:
   - Expose housekeeping CPUs through /sys/devices/system/cpu/housekeeping
   - Print a newline (or 0x0A) instead of '(null)' reading
     /sys/devices/system/cpu/nohz_full when nohz_full= is not set
 
 - debugfs
   - Remove (broken) 'no-mount' mode
   - Remove redundant access mode checks in debugfs_get_tree() and
     debugfs_create_*() functions
 
 - Devres:
   - Remove unused devm_free_percpu() helper
   - Move devm_alloc_percpu() from device.h to devres.h
 
 - Firmware Loader:
   - Replace simple_strtol() with kstrtoint()
   - Do not call cancel_store() when no upload is in progress
 
 - kernfs:
   - Increase struct super_block::maxbytes to MAX_LFS_FILESIZE
   - Fix a missing unwind path in __kernfs_new_node()
 
 - Misc:
   - Increase the name size in struct auxiliary_device_id to 40 characters
   - Replace system_unbound_wq with system_dfl_wq and add WQ_PERCPU to
     alloc_workqueue()
 
 - Platform:
   - Replace ERR_PTR() with IOMEM_ERR_PTR() in platform ioremap functions
 
 - Rust:
   - Auxiliary:
     - Unregister auxiliary device on parent device unbind
     - Move parent() to impl Device; implement device context aware parent() for
       Device<Bound>
     - Illustrate how to safely obtain a driver's device private data when
       calling from an auxiliary driver into the parant device driver
 
   - DebugFs:
     - Implement support for binary large objects
 
   - Device:
     - Let probe() return the driver's device private data as pinned initializer,
       i.e. impl PinInit<Self, Error>
     - Implement safe accessor for a driver's device private data for
       Device<Bound> (returned reference can't out-live driver binding and
       guarantees the correct private data type)
     - Implement AsBusDevice trait, to be used by class device abstractions to
       derive the bus device type of the parent device
 
   - DMA:
     - Store raw pointer of allocation as NonNull
     - Use start_ptr() and start_ptr_mut() to inherit correct mutability of self
 
   - FS:
     - Add file::Offset type alias
 
   - I2C:
     - Add abstractions for I2C device / driver infrastructure
     - Implement abstractions for manual I2C device registrations
 
   - I/O:
     - Use "kernel vertical" style for imports
     - Define ResourceSize as resource_size_t
     - Move ResourceSize to top-level I/O module
     - Add type alias for phys_addr_t
     - Implement Rust version of read_poll_timeout_atomic()
 
   - PCI:
     - Use "kernel vertical" style for imports
     - Move I/O and IRQ infrastructure to separate files
     - Add support for PCI interrupt vectors
     - Implement TryInto<IrqRequest<'a>> for IrqVector<'a> to convert an
       IrqVector bound to specific pci::Device into an IrqRequest bound to the
       same pci::Device's parent Device
     - Leverage pin_init_scope() to get rid of redundant Result in IRQ methods
 
   - PinInit:
     - Add {pin_}init_scope() to execute code before creating an initializer
 
   - Platform:
     - Leverage pin_init_scope() to get rid of redundant Result in IRQ methods
 
   - Timekeeping:
     - Implement abstraction of udelay()
 
   - Uaccess:
     - Implement read_slice_partial() and read_slice_file() for UserSliceReader
     - Implement write_slice_partial() and write_slice_file() for UserSliceWriter
 
 - sysfs
   - Prepare the constification of struct attribute
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Merge tag 'driver-core-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core

Pull driver core updates from Danilo Krummrich:
 "Arch Topology:
   - Move parse_acpi_topology() from arm64 to common code for reuse in
     RISC-V

  CPU:
   - Expose housekeeping CPUs through /sys/devices/system/cpu/housekeeping
   - Print a newline (or 0x0A) instead of '(null)' reading
     /sys/devices/system/cpu/nohz_full when nohz_full= is not set

  debugfs
   - Remove (broken) 'no-mount' mode
   - Remove redundant access mode checks in debugfs_get_tree() and
     debugfs_create_*() functions

  Devres:
   - Remove unused devm_free_percpu() helper
   - Move devm_alloc_percpu() from device.h to devres.h

  Firmware Loader:
   - Replace simple_strtol() with kstrtoint()
   - Do not call cancel_store() when no upload is in progress

  kernfs:
   - Increase struct super_block::maxbytes to MAX_LFS_FILESIZE
   - Fix a missing unwind path in __kernfs_new_node()

  Misc:
   - Increase the name size in struct auxiliary_device_id to 40
     characters
   - Replace system_unbound_wq with system_dfl_wq and add WQ_PERCPU to
     alloc_workqueue()

  Platform:
   - Replace ERR_PTR() with IOMEM_ERR_PTR() in platform ioremap
     functions

  Rust:
   - Auxiliary:
      - Unregister auxiliary device on parent device unbind
      - Move parent() to impl Device; implement device context aware
        parent() for Device<Bound>
      - Illustrate how to safely obtain a driver's device private data
        when calling from an auxiliary driver into the parant device
        driver

   - DebugFs:
      - Implement support for binary large objects

   - Device:
      - Let probe() return the driver's device private data as pinned
        initializer, i.e. impl PinInit<Self, Error>
      - Implement safe accessor for a driver's device private data for
        Device<Bound> (returned reference can't out-live driver binding
        and guarantees the correct private data type)
      - Implement AsBusDevice trait, to be used by class device
        abstractions to derive the bus device type of the parent device

   - DMA:
      - Store raw pointer of allocation as NonNull
      - Use start_ptr() and start_ptr_mut() to inherit correct
        mutability of self

   - FS:
      - Add file::Offset type alias

   - I2C:
      - Add abstractions for I2C device / driver infrastructure
      - Implement abstractions for manual I2C device registrations

   - I/O:
      - Use "kernel vertical" style for imports
      - Define ResourceSize as resource_size_t
      - Move ResourceSize to top-level I/O module
      - Add type alias for phys_addr_t
      - Implement Rust version of read_poll_timeout_atomic()

   - PCI:
      - Use "kernel vertical" style for imports
      - Move I/O and IRQ infrastructure to separate files
      - Add support for PCI interrupt vectors
      - Implement TryInto<IrqRequest<'a>> for IrqVector<'a> to convert
        an IrqVector bound to specific pci::Device into an IrqRequest
        bound to the same pci::Device's parent Device
      - Leverage pin_init_scope() to get rid of redundant Result in IRQ
        methods

   - PinInit:
      - Add {pin_}init_scope() to execute code before creating an
        initializer

   - Platform:
      - Leverage pin_init_scope() to get rid of redundant Result in IRQ
        methods

   - Timekeeping:
      - Implement abstraction of udelay()

   - Uaccess:
      - Implement read_slice_partial() and read_slice_file() for
        UserSliceReader
      - Implement write_slice_partial() and write_slice_file() for
        UserSliceWriter

  sysfs:
   - Prepare the constification of struct attribute"

* tag 'driver-core-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core: (75 commits)
  rust: pci: fix build failure when CONFIG_PCI_MSI is disabled
  debugfs: Fix default access mode config check
  debugfs: Remove broken no-mount mode
  debugfs: Remove redundant access mode checks
  driver core: Check drivers_autoprobe for all added devices
  driver core: WQ_PERCPU added to alloc_workqueue users
  driver core: replace use of system_unbound_wq with system_dfl_wq
  tick/nohz: Expose housekeeping CPUs in sysfs
  tick/nohz: avoid showing '(null)' if nohz_full= not set
  sysfs/cpu: Use DEVICE_ATTR_RO for nohz_full attribute
  kernfs: fix memory leak of kernfs_iattrs in __kernfs_new_node
  fs/kernfs: raise sb->maxbytes to MAX_LFS_FILESIZE
  mod_devicetable: Bump auxiliary_device_id name size
  sysfs: simplify attribute definition macros
  samples/kobject: constify 'struct foo_attribute'
  samples/kobject: add is_visible() callback to attribute group
  sysfs: attribute_group: enable const variants of is_visible()
  sysfs: introduce __SYSFS_FUNCTION_ALTERNATIVE()
  sysfs: transparently handle const pointers in ATTRIBUTE_GROUPS()
  sysfs: attribute_group: allow registration of const attribute
  ...
2025-12-05 21:29:02 -08:00
Linus Torvalds b1ae17cd0f Minor IPMI fixes
Some device tree cleanups and a maintainer add.
 
 Fix a race when handling channel updates that could result in errors
 being reported to the user in some cases.
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Merge tag 'for-linus-6.19-1' of https://github.com/cminyard/linux-ipmi

Pull IPMI updates from Corey Minyard:
 "Minor IPMI fixes:

   - Some device tree cleanups and a maintainer add

   - Fix a race when handling channel updates that could result in
     errors being reported to the user in some cases"

* tag 'for-linus-6.19-1' of https://github.com/cminyard/linux-ipmi:
  MAINTAINERS: Add entry on Loongson-2K IPMI driver
  dt-bindings: ipmi: Convert aspeed,ast2400-ibt-bmc to DT schema
  dt-bindings: ipmi: Convert nuvoton,npcm750-kcs-bmc to DT schema
  ipmi: Skip channel scan if channels are already marked ready
  ipmi: Fix __scan_channels() failing to rescan channels
  ipmi: Fix the race between __scan_channels() and deliver_response()
2025-12-05 20:49:24 -08:00
Linus Torvalds 7eb7f5723d SCSI misc on 20251204
Usual driver updates (ufs, lpfc, target, qla2xxx) plus assorted
 cleanups and fixes including the WQ_PERCPU series.  The biggest core
 change is the new allocation of pseudo-devices which allow the sending
 of internal commands to a given SCSI target.
 
 Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "Usual driver updates (ufs, lpfc, target, qla2xxx) plus assorted
  cleanups and fixes including the WQ_PERCPU series.

  The biggest core change is the new allocation of pseudo-devices which
  allow the sending of internal commands to a given SCSI target"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (147 commits)
  scsi: MAINTAINERS: Add the UFS include directory
  scsi: scsi_debug: Support injecting unaligned write errors
  scsi: qla2xxx: Fix improper freeing of purex item
  scsi: ufs: rockchip: Fix compile error without CONFIG_GPIOLIB
  scsi: ufs: rockchip: Reset controller on PRE_CHANGE of hce enable notify
  scsi: ufs: core: Use scsi_device_busy()
  scsi: ufs: core: Fix single doorbell mode support
  scsi: pm80xx: Add WQ_PERCPU to alloc_workqueue() users
  scsi: target: Add WQ_PERCPU to alloc_workqueue() users
  scsi: qedi: Add WQ_PERCPU to alloc_workqueue() users
  scsi: target: ibmvscsi: Add WQ_PERCPU to alloc_workqueue() users
  scsi: qedf: Add WQ_PERCPU to alloc_workqueue() users
  scsi: bnx2fc: Add WQ_PERCPU to alloc_workqueue() users
  scsi: be2iscsi: Add WQ_PERCPU to alloc_workqueue() users
  scsi: message: fusion: Add WQ_PERCPU to alloc_workqueue() users
  scsi: lpfc: WQ_PERCPU added to alloc_workqueue() users
  scsi: scsi_transport_fc: WQ_PERCPU added to alloc_workqueue users()
  scsi: scsi_dh_alua: WQ_PERCPU added to alloc_workqueue() users
  scsi: qla2xxx: WQ_PERCPU added to alloc_workqueue() users
  scsi: target: sbp: Replace use of system_unbound_wq with system_dfl_wq
  ...
2025-12-05 19:56:50 -08:00
Linus Torvalds 11efc1cb70 soc: driver updates for 6.19, part 2
These updates came a little late, or were based on a later 6.18-rc
 tag than the others:
 
  - A new driver for cache management on cxl devices with memory shared
    in a coherent cluster. This is part of the drivers/cache/ tree, but
    unlike the other drivers that back the dma-mapping interfaces, this
    one is needed only during CPU hotplug.
 
  - A shared branch for reset controllers using swnode infrastructure
 
  - Added support for new SoC variants in the Amlogic soc_device
    identification
 
  - Minor updates in Freescale, Microchip, Samsung, and Apple SoC drivers
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Merge tag 'soc-drivers-6.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull more SoC driver updates from Arnd Bergmann:
 "These updates came a little late, or were based on a later 6.18-rc tag
  than the others:

   - A new driver for cache management on cxl devices with memory shared
     in a coherent cluster. This is part of the drivers/cache/ tree, but
     unlike the other drivers that back the dma-mapping interfaces, this
     one is needed only during CPU hotplug.

   - A shared branch for reset controllers using swnode infrastructure

   - Added support for new SoC variants in the Amlogic soc_device
     identification

   - Minor updates in Freescale, Microchip, Samsung, and Apple SoC
     drivers"

* tag 'soc-drivers-6.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (24 commits)
  soc: samsung: exynos-pmu: fix device leak on regmap lookup
  soc: samsung: exynos-pmu: Fix structure initialization
  soc: fsl: qbman: use kmalloc_array() instead of kmalloc()
  soc: fsl: qbman: add WQ_PERCPU to alloc_workqueue users
  MAINTAINERS: Update email address for Christophe Leroy
  MAINTAINERS: refer to intended file in STANDALONE CACHE CONTROLLER DRIVERS
  cache: Support cache maintenance for HiSilicon SoC Hydra Home Agent
  cache: Make top level Kconfig menu a boolean dependent on RISCV
  MAINTAINERS: Add Jonathan Cameron to drivers/cache and add lib/cache_maint.c + header
  arm64: Select GENERIC_CPU_CACHE_MAINTENANCE
  lib: Support ARCH_HAS_CPU_CACHE_INVALIDATE_MEMREGION
  soc: amlogic: meson-gx-socinfo: add new SoCs id
  dt-bindings: arm: amlogic: meson-gx-ao-secure: support more SoCs
  memregion: Support fine grained invalidate by cpu_cache_invalidate_memregion()
  memregion: Drop unused IORES_DESC_* parameter from cpu_cache_invalidate_memregion()
  dt-bindings: cache: sifive,ccache0: add a pic64gx compatible
  MAINTAINERS: rename Microchip RISC-V entry
  MAINTAINERS: add new soc drivers to Microchip RISC-V entry
  soc: microchip: add mfd drivers for two syscon regions on PolarFire SoC
  dt-bindings: soc: microchip: document the simple-mfd syscon on PolarFire SoC
  ...
2025-12-05 17:47:59 -08:00
Linus Torvalds 208eed95fc soc: driver updates for 6.19
This is the first half of the driver changes:
 
  - A treewide interface change to the "syscore" operations for
    power management, as a preparation for future Tegra specific
    changes.
 
  - Reset controller updates with added drivers for LAN969x, eic770
    and RZ/G3S SoCs.
 
  - Protection of system controller registers on Renesas and Google SoCs,
    to prevent trivially triggering a system crash from e.g. debugfs
    access.
 
  - soc_device identification updates on Nvidia, Exynos and Mediatek
 
  - debugfs support in the ST STM32 firewall driver
 
  - Minor updates for SoC drivers on AMD/Xilinx, Renesas,  Allwinner, TI
 
  - Cleanups for memory controller support on Nvidia and Renesas
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Merge tag 'soc-drivers-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull SoC driver updates from Arnd Bergmann:
 "This is the first half of the driver changes:

   - A treewide interface change to the "syscore" operations for power
     management, as a preparation for future Tegra specific changes

   - Reset controller updates with added drivers for LAN969x, eic770 and
     RZ/G3S SoCs

   - Protection of system controller registers on Renesas and Google
     SoCs, to prevent trivially triggering a system crash from e.g.
     debugfs access

   - soc_device identification updates on Nvidia, Exynos and Mediatek

   - debugfs support in the ST STM32 firewall driver

   - Minor updates for SoC drivers on AMD/Xilinx, Renesas, Allwinner, TI

   - Cleanups for memory controller support on Nvidia and Renesas"

* tag 'soc-drivers-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (114 commits)
  memory: tegra186-emc: Fix missing put_bpmp
  Documentation: reset: Remove reset_controller_add_lookup()
  reset: fix BIT macro reference
  reset: rzg2l-usbphy-ctrl: Fix a NULL vs IS_ERR() bug in probe
  reset: th1520: Support reset controllers in more subsystems
  reset: th1520: Prepare for supporting multiple controllers
  dt-bindings: reset: thead,th1520-reset: Add controllers for more subsys
  dt-bindings: reset: thead,th1520-reset: Remove non-VO-subsystem resets
  reset: remove legacy reset lookup code
  clk: davinci: psc: drop unused reset lookup
  reset: rzg2l-usbphy-ctrl: Add support for RZ/G3S SoC
  reset: rzg2l-usbphy-ctrl: Add support for USB PWRRDY
  dt-bindings: reset: renesas,rzg2l-usbphy-ctrl: Document RZ/G3S support
  reset: eswin: Add eic7700 reset driver
  dt-bindings: reset: eswin: Documentation for eic7700 SoC
  reset: sparx5: add LAN969x support
  dt-bindings: reset: microchip: Add LAN969x support
  soc: rockchip: grf: Add select correct PWM implementation on RK3368
  soc/tegra: pmc: Add USB wake events for Tegra234
  amba: tegra-ahb: Fix device leak on SMMU enable
  ...
2025-12-05 17:29:04 -08:00
Linus Torvalds 66a1025f7f soc: sew SoC familes for 6.19
These three new families of SoC are split out into a separate branch
 because they touch multiple parts of the source tree and are better
 left separate for the initial merge.
 
  - Black Sesame Technologies C1200 is an automotive SoC using
    Cortex-A78 CPU cores
 
  - Anlogic dr1v90 (not to be confused with Amlogic) is an FPGA
    platform using a single nuclei ux900 RISC-V core
 
  - Tenstorrent Blackhole is a Neural Processing Unit using
    custom "Tensix" cores for computation offload managed by
    Linux running on SiFive X280 RISC-V cores.
 
 Support for all three is rather rudimentary at the moment and will get
 improved as device drivers are merged through other tree.
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Merge tag 'soc-newsoc-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull new SoC families update from Arnd Bergmann:
 "These three new families of SoC are split out into a separate branch
  because they touch multiple parts of the source tree and are better
  left separate for the initial merge.

   - Black Sesame Technologies C1200 is an automotive SoC using
     Cortex-A78 CPU cores

   - Anlogic dr1v90 (not to be confused with Amlogic) is an FPGA
     platform using a single nuclei ux900 RISC-V core

   - Tenstorrent Blackhole is a Neural Processing Unit using custom
     "Tensix" cores for computation offload managed by Linux running on
     SiFive X280 RISC-V cores.

  Support for all three is rather rudimentary at the moment and will get
  improved as device drivers are merged through other tree"

* tag 'soc-newsoc-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (24 commits)
  MAINTAINERS: add Black Sesame Technologies (BST) ARM SoC support
  arm64: defconfig: enable BST platform support
  arm64: dts: bst: add support for Black Sesame Technologies C1200 CDCU1.0 board
  arm64: Kconfig: add ARCH_BST for Black Sesame Technologies SoCs
  dt-bindings: arm: add Black Sesame Technologies (bst) SoC
  dt-bindings: vendor-prefixes: Add Black Sesame Technologies Co., Ltd.
  MAINTAINERS: Setup support for Anlogic tree
  riscv: defconfig: Enable Anlogic SoC
  riscv: dts: anlogic: Add Milianke MLKPAI FS01 board
  riscv: dts: Add initial Anlogic DR1V90 SoC device tree
  riscv: Add Anlogic SoC famly Kconfig support
  dt-bindings: serial: snps-dw-apb-uart: Add Anlogic DR1V90 uart
  dt-bindings: timer: Add Anlogic DR1V90 ACLINT MTIMER
  dt-bindings: riscv: Add Anlogic DR1V90
  dt-bindings: riscv: Add Nuclei UX900 compatibles
  dt-bindings: vendor-prefixes: Add Anlogic, Milianke and Nuclei
  riscv: defconfig: Enable Tenstorrent SoCs
  riscv: Kconfig.socs: Add ARCH_TENSTORRENT for Tenstorrent SoCs
  riscv: dts: Add Tenstorrent Blackhole SoC PCIe cards
  dt-bindings: interrupt-controller: Add Tenstorrent Blackhole compatible
  ...
2025-12-05 17:27:12 -08:00
Linus Torvalds 0cac5ce06e soc: devicetree updates for 6.19
Three new SoCs got added in existing arm64 chip families:
 
  - Renesas R-Car X5H (R8A78000) is a new generation of automotive SoCs,
    based on 16 Cortex-A720 (Armv9.2) cores, which makes the the currently
    highest-perforance embedded SoC.
 
  - TI AM62L is a new variant of the AM62 family of industrial SoCs, this
    one comes without a GPU.
 
  - Qualcomm MSM8937 (Snapdragon 430) is an older mobile phone chip based
    on Cortex-A53, and closely related to MSM8917 (Snapdragn 425), which we
    already support.
 
 In addition, there are a good number of newly supported machines
 across SoC families:
 
  - Two Aspeed AST2600 (Cortex-A7) based BMC setups for large servers
 
  - Mobile Phones and tables based on Mediatek MT6582, Nvidia Tegra124,
    Qualcomm MSM8937 and Qualcomm MSM8939,
 
  - Two Laptops based on Qualcomm SoCs: one using the older sdm850, the
    other using x1p42100.
 
  - One Router based on Rockchips RK3568
 
  - 24 variants of the Enclustra Mercury system-on-module, all based on
    32-bit Intel/Altera SocFPGA chips, plus two boards using 64-bit
    SocFPGA Agilex chips..
 
  - 30 industrial/embedded boards and single-board computers, using
    various chips from NXP, Rockchips, Mediatek, TI, Amlogic, Qualcomm,
    Spacemit, and Starfive.
 
 In total there are 783 commits here, the majority of these improving
 hardware support and cleaning up devicetree files across the tree, with
 the majority of the changes going into the Qualcomm, NXP, Renesas and
 Rockchips platforms.
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Merge tag 'soc-dt-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull SoC devicetree updates from Arnd Bergmann:
 "Three new SoCs got added in existing arm64 chip families:

   - Renesas R-Car X5H (R8A78000) is a new generation of automotive
     SoCs, based on 16 Cortex-A720 (Armv9.2) cores, which makes the the
     currently highest-perforance embedded SoC.

   - TI AM62L is a new variant of the AM62 family of industrial SoCs,
     this one comes without a GPU.

   - Qualcomm MSM8937 (Snapdragon 430) is an older mobile phone chip
     based on Cortex-A53, and closely related to MSM8917 (Snapdragn
     425), which we already support.

  In addition, there are a good number of newly supported machines
  across SoC families:

   - Two Aspeed AST2600 (Cortex-A7) based BMC setups for large servers

   - Mobile Phones and tables based on Mediatek MT6582, Nvidia Tegra124,
     Qualcomm MSM8937 and Qualcomm MSM8939,

   - Two Laptops based on Qualcomm SoCs: one using the older sdm850, the
     other using x1p42100.

   - One Router based on Rockchips RK3568

   - 24 variants of the Enclustra Mercury system-on-module, all based on
     32-bit Intel/Altera SocFPGA chips, plus two boards using 64-bit
     SocFPGA Agilex chips..

   - 30 industrial/embedded boards and single-board computers, using
     various chips from NXP, Rockchips, Mediatek, TI, Amlogic, Qualcomm,
     Spacemit, and Starfive.

  In total there are 783 commits here, the majority of these improving
  hardware support and cleaning up devicetree files across the tree,
  with the majority of the changes going into the Qualcomm, NXP, Renesas
  and Rockchips platforms"

* tag 'soc-dt-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (782 commits)
  arm64: dts: mediatek: mt8195: Fix address range for JPEG decoder core 1
  ARM: dts: samsung: exynos4412-midas: turn off SDIO WLAN chip during system suspend
  ARM: dts: samsung: exynos4210-trats: turn off SDIO WLAN chip during system suspend
  ARM: dts: samsung: exynos4210-i9100: turn off SDIO WLAN chip during system suspend
  ARM: dts: samsung: universal_c210: turn off SDIO WLAN chip during system suspend
  arm64: dts: amlogic: meson-g12b: Fix L2 cache reference for S922X CPUs
  arm64: dts: Add gpio_intc node for Amlogic S7D SoCs
  arm64: dts: Add gpio_intc node for Amlogic S7 SoCs
  arm64: dts: Add gpio_intc node for Amlogic S6 SoCs
  arm64: dts: amlogic: s7d: add ao secure node
  arm64: dts: amlogic: s7: add ao secure node
  arm64: dts: amlogic: s6: add ao secure node
  arm64: dts: amlogic: Fix the register name of the 'DBI' region
  dts: arm64: amlogic: add a5 pinctrl node
  arm64: dts: amlogic: s7d: add power domain controller node
  arm64: dts: amlogic: s7: add power domain controller node
  arm64: dts: amlogic: s6: add power domain controller node
  dts: arm64: amlogic: Add ISP related nodes for C3
  arm64: dts: meson: add initial device-tree for Tanix TX9 Pro
  dt-bindings: arm: amlogic: add support for Tanix TX9 Pro
  ...
2025-12-05 17:24:29 -08:00
Linus Torvalds 7203ca412f Significant patch series in this merge are as follows:
- The 10 patch series "__vmalloc()/kvmalloc() and no-block support" from
   Uladzislau Rezki reworks the vmalloc() code to support non-blocking
   allocations (GFP_ATOIC, GFP_NOWAIT).
 
 - The 2 patch series "ksm: fix exec/fork inheritance" from xu xin fixes
   a rare case where the KSM MMF_VM_MERGE_ANY prctl state is not inherited
   across fork/exec.
 
 - The 4 patch series "mm/zswap: misc cleanup of code and documentations"
   from SeongJae Park does some light maintenance work on the zswap code.
 
 - The 5 patch series "mm/page_owner: add debugfs files 'show_handles'
   and 'show_stacks_handles'" from Mauricio Faria de Oliveira enhances the
   /sys/kernel/debug/page_owner debug feature.  It adds unique identifiers
   to differentiate the various stack traces so that userspace monitoring
   tools can better match stack traces over time.
 
 - The 2 patch series "mm/page_alloc: pcp->batch cleanups" from Joshua
   Hahn makes some minor alterations to the page allocator's per-cpu-pages
   feature.
 
 - The 2 patch series "Improve UFFDIO_MOVE scalability by removing
   anon_vma lock" from Lokesh Gidra addresses a scalability issue in
   userfaultfd's UFFDIO_MOVE operation.
 
 - The 2 patch series "kasan: cleanups for kasan_enabled() checks" from
   Sabyrzhan Tasbolatov performs some cleanup in the KASAN code.
 
 - The 2 patch series "drivers/base/node: fold node register and
   unregister functions" from Donet Tom cleans up the NUMA node handling
   code a little.
 
 - The 4 patch series "mm: some optimizations for prot numa" from Kefeng
   Wang provides some cleanups and small optimizations to the NUMA
   allocation hinting code.
 
 - The 5 patch series "mm/page_alloc: Batch callers of
   free_pcppages_bulk" from Joshua Hahn addresses long lock hold times at
   boot on large machines.  These were causing (harmless) softlockup
   warnings.
 
 - The 2 patch series "optimize the logic for handling dirty file folios
   during reclaim" from Baolin Wang removes some now-unnecessary work from
   page reclaim.
 
 - The 10 patch series "mm/damon: allow DAMOS auto-tuned for per-memcg
   per-node memory usage" from SeongJae Park enhances the DAMOS auto-tuning
   feature.
 
 - The 2 patch series "mm/damon: fixes for address alignment issues in
   DAMON_LRU_SORT and DAMON_RECLAIM" from Quanmin Yan fixes DAMON_LRU_SORT
   and DAMON_RECLAIM with certain userspace configuration.
 
 - The 15 patch series "expand mmap_prepare functionality, port more
   users" from Lorenzo Stoakes enhances the new(ish)
   file_operations.mmap_prepare() method and ports additional callsites
   from the old ->mmap() over to ->mmap_prepare().
 
 - The 8 patch series "Fix stale IOTLB entries for kernel address space"
   from Lu Baolu fixes a bug (and possible security issue on non-x86) in
   the IOMMU code.  In some situations the IOMMU could be left hanging onto
   a stale kernel pagetable entry.
 
 - The 4 patch series "mm/huge_memory: cleanup __split_unmapped_folio()"
   from Wei Yang cleans up and optimizes the folio splitting code.
 
 - The 5 patch series "mm, swap: misc cleanup and bugfix" from Kairui
   Song implements some cleanups and a minor fix in the swap discard code.
 
 - The 8 patch series "mm/damon: misc documentation fixups" from SeongJae
   Park does as advertised.
 
 - The 9 patch series "mm/damon: support pin-point targets removal" from
   SeongJae Park permits userspace to remove a specific monitoring target
   in the middle of the current targets list.
 
 - The 2 patch series "mm: MISC follow-up patches for linux/pgalloc.h"
   from Harry Yoo implements a couple of cleanups related to mm header file
   inclusion.
 
 - The 2 patch series "mm/swapfile.c: select swap devices of default
   priority round robin" from Baoquan He improves the selection of swap
   devices for NUMA machines.
 
 - The 3 patch series "mm: Convert memory block states (MEM_*) macros to
   enums" from Israel Batista changes the memory block labels from macros
   to enums so they will appear in kernel debug info.
 
 - The 3 patch series "ksm: perform a range-walk to jump over holes in
   break_ksm" from Pedro Demarchi Gomes addresses an inefficiency when KSM
   unmerges an address range.
 
 - The 22 patch series "mm/damon/tests: fix memory bugs in kunit tests"
   from SeongJae Park fixes leaks and unhandled malloc() failures in DAMON
   userspace unit tests.
 
 - The 2 patch series "some cleanups for pageout()" from Baolin Wang
   cleans up a couple of minor things in the page scanner's
   writeback-for-eviction code.
 
 - The 2 patch series "mm/hugetlb: refactor sysfs/sysctl interfaces" from
   Hui Zhu moves hugetlb's sysfs/sysctl handling code into a new file.
 
 - The 9 patch series "introduce VM_MAYBE_GUARD and make it sticky" from
   Lorenzo Stoakes makes the VMA guard regions available in /proc/pid/smaps
   and improves the mergeability of guarded VMAs.
 
 - The 2 patch series "mm: perform guard region install/remove under VMA
   lock" from Lorenzo Stoakes reduces mmap lock contention for callers
   performing VMA guard region operations.
 
 - The 2 patch series "vma_start_write_killable" from Matthew Wilcox
   starts work in permitting applications to be killed when they are
   waiting on a read_lock on the VMA lock.
 
 - The 11 patch series "mm/damon/tests: add more tests for online
   parameters commit" from SeongJae Park adds additional userspace testing
   of DAMON's "commit" feature.
 
 - The 9 patch series "mm/damon: misc cleanups" from SeongJae Park does
   that.
 
 - The 2 patch series "make VM_SOFTDIRTY a sticky VMA flag" from Lorenzo
   Stoakes addresses the possible loss of a VMA's VM_SOFTDIRTY flag when
   that VMA is merged with another.
 
 - The 16 patch series "mm: support device-private THP" from Balbir Singh
   introduces support for Transparent Huge Page (THP) migration in zone
   device-private memory.
 
 - The 3 patch series "Optimize folio split in memory failure" from Zi
   Yan optimizes folio split operations in the memory failure code.
 
 - The 2 patch series "mm/huge_memory: Define split_type and consolidate
   split support checks" from Wei Yang provides some more cleanups in the
   folio splitting code.
 
 - The 16 patch series "mm: remove is_swap_[pte, pmd]() + non-swap
   entries, introduce leaf entries" from Lorenzo Stoakes cleans up our
   handling of pagetable leaf entries by introducing the concept of
   'software leaf entries', of type softleaf_t.
 
 - The 4 patch series "reparent the THP split queue" from Muchun Song
   reparents the THP split queue to its parent memcg.  This is in
   preparation for addressing the long-standing "dying memcg" problem,
   wherein dead memcg's linger for too long, consuming memory resources.
 
 - The 3 patch series "unify PMD scan results and remove redundant
   cleanup" from Wei Yang does a little cleanup in the hugepage collapse
   code.
 
 - The 6 patch series "zram: introduce writeback bio batching" from
   Sergey Senozhatsky improves zram writeback efficiency by introducing
   batched bio writeback support.
 
 - The 4 patch series "memcg: cleanup the memcg stats interfaces" from
   Shakeel Butt cleans up our handling of the interrupt safety of some
   memcg stats.
 
 - The 4 patch series "make vmalloc gfp flags usage more apparent" from
   Vishal Moola cleans up vmalloc's handling of incoming GFP flags.
 
 - The 6 patch series "mm: Add soft-dirty and uffd-wp support for RISC-V"
   from Chunyan Zhang teches soft dirty and userfaultfd write protect
   tracking to use RISC-V's Svrsw60t59b extension.
 
 - The 5 patch series "mm: swap: small fixes and comment cleanups" from
   Youngjun Park fixes a small bug and cleans up some of the swap code.
 
 - The 4 patch series "initial work on making VMA flags a bitmap" from
   Lorenzo Stoakes starts work on converting the vma struct's flags to a
   bitmap, so we stop running out of them, especially on 32-bit.
 
 - The 2 patch series "mm/swapfile: fix and cleanup swap list iterations"
   from Youngjun Park addresses a possible bug in the swap discard code and
   cleans things up a little.
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Merge tag 'mm-stable-2025-12-03-21-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull MM updates from Andrew Morton:

  "__vmalloc()/kvmalloc() and no-block support" (Uladzislau Rezki)
     Rework the vmalloc() code to support non-blocking allocations
     (GFP_ATOIC, GFP_NOWAIT)

  "ksm: fix exec/fork inheritance" (xu xin)
     Fix a rare case where the KSM MMF_VM_MERGE_ANY prctl state is not
     inherited across fork/exec

  "mm/zswap: misc cleanup of code and documentations" (SeongJae Park)
     Some light maintenance work on the zswap code

  "mm/page_owner: add debugfs files 'show_handles' and 'show_stacks_handles'" (Mauricio Faria de Oliveira)
     Enhance the /sys/kernel/debug/page_owner debug feature by adding
     unique identifiers to differentiate the various stack traces so
     that userspace monitoring tools can better match stack traces over
     time

  "mm/page_alloc: pcp->batch cleanups" (Joshua Hahn)
     Minor alterations to the page allocator's per-cpu-pages feature

  "Improve UFFDIO_MOVE scalability by removing anon_vma lock" (Lokesh Gidra)
     Address a scalability issue in userfaultfd's UFFDIO_MOVE operation

  "kasan: cleanups for kasan_enabled() checks" (Sabyrzhan Tasbolatov)

  "drivers/base/node: fold node register and unregister functions" (Donet Tom)
     Clean up the NUMA node handling code a little

  "mm: some optimizations for prot numa" (Kefeng Wang)
     Cleanups and small optimizations to the NUMA allocation hinting
     code

  "mm/page_alloc: Batch callers of free_pcppages_bulk" (Joshua Hahn)
     Address long lock hold times at boot on large machines. These were
     causing (harmless) softlockup warnings

  "optimize the logic for handling dirty file folios during reclaim" (Baolin Wang)
     Remove some now-unnecessary work from page reclaim

  "mm/damon: allow DAMOS auto-tuned for per-memcg per-node memory usage" (SeongJae Park)
     Enhance the DAMOS auto-tuning feature

  "mm/damon: fixes for address alignment issues in DAMON_LRU_SORT and DAMON_RECLAIM" (Quanmin Yan)
     Fix DAMON_LRU_SORT and DAMON_RECLAIM with certain userspace
     configuration

  "expand mmap_prepare functionality, port more users" (Lorenzo Stoakes)
     Enhance the new(ish) file_operations.mmap_prepare() method and port
     additional callsites from the old ->mmap() over to ->mmap_prepare()

  "Fix stale IOTLB entries for kernel address space" (Lu Baolu)
     Fix a bug (and possible security issue on non-x86) in the IOMMU
     code. In some situations the IOMMU could be left hanging onto a
     stale kernel pagetable entry

  "mm/huge_memory: cleanup __split_unmapped_folio()" (Wei Yang)
     Clean up and optimize the folio splitting code

  "mm, swap: misc cleanup and bugfix" (Kairui Song)
     Some cleanups and a minor fix in the swap discard code

  "mm/damon: misc documentation fixups" (SeongJae Park)

  "mm/damon: support pin-point targets removal" (SeongJae Park)
     Permit userspace to remove a specific monitoring target in the
     middle of the current targets list

  "mm: MISC follow-up patches for linux/pgalloc.h" (Harry Yoo)
     A couple of cleanups related to mm header file inclusion

  "mm/swapfile.c: select swap devices of default priority round robin" (Baoquan He)
     improve the selection of swap devices for NUMA machines

  "mm: Convert memory block states (MEM_*) macros to enums" (Israel Batista)
     Change the memory block labels from macros to enums so they will
     appear in kernel debug info

  "ksm: perform a range-walk to jump over holes in break_ksm" (Pedro Demarchi Gomes)
     Address an inefficiency when KSM unmerges an address range

  "mm/damon/tests: fix memory bugs in kunit tests" (SeongJae Park)
     Fix leaks and unhandled malloc() failures in DAMON userspace unit
     tests

  "some cleanups for pageout()" (Baolin Wang)
     Clean up a couple of minor things in the page scanner's
     writeback-for-eviction code

  "mm/hugetlb: refactor sysfs/sysctl interfaces" (Hui Zhu)
     Move hugetlb's sysfs/sysctl handling code into a new file

  "introduce VM_MAYBE_GUARD and make it sticky" (Lorenzo Stoakes)
     Make the VMA guard regions available in /proc/pid/smaps and
     improves the mergeability of guarded VMAs

  "mm: perform guard region install/remove under VMA lock" (Lorenzo Stoakes)
     Reduce mmap lock contention for callers performing VMA guard region
     operations

  "vma_start_write_killable" (Matthew Wilcox)
     Start work on permitting applications to be killed when they are
     waiting on a read_lock on the VMA lock

  "mm/damon/tests: add more tests for online parameters commit" (SeongJae Park)
     Add additional userspace testing of DAMON's "commit" feature

  "mm/damon: misc cleanups" (SeongJae Park)

  "make VM_SOFTDIRTY a sticky VMA flag" (Lorenzo Stoakes)
     Address the possible loss of a VMA's VM_SOFTDIRTY flag when that
     VMA is merged with another

  "mm: support device-private THP" (Balbir Singh)
     Introduce support for Transparent Huge Page (THP) migration in zone
     device-private memory

  "Optimize folio split in memory failure" (Zi Yan)

  "mm/huge_memory: Define split_type and consolidate split support checks" (Wei Yang)
     Some more cleanups in the folio splitting code

  "mm: remove is_swap_[pte, pmd]() + non-swap entries, introduce leaf entries" (Lorenzo Stoakes)
     Clean up our handling of pagetable leaf entries by introducing the
     concept of 'software leaf entries', of type softleaf_t

  "reparent the THP split queue" (Muchun Song)
     Reparent the THP split queue to its parent memcg. This is in
     preparation for addressing the long-standing "dying memcg" problem,
     wherein dead memcg's linger for too long, consuming memory
     resources

  "unify PMD scan results and remove redundant cleanup" (Wei Yang)
     A little cleanup in the hugepage collapse code

  "zram: introduce writeback bio batching" (Sergey Senozhatsky)
     Improve zram writeback efficiency by introducing batched bio
     writeback support

  "memcg: cleanup the memcg stats interfaces" (Shakeel Butt)
     Clean up our handling of the interrupt safety of some memcg stats

  "make vmalloc gfp flags usage more apparent" (Vishal Moola)
     Clean up vmalloc's handling of incoming GFP flags

  "mm: Add soft-dirty and uffd-wp support for RISC-V" (Chunyan Zhang)
     Teach soft dirty and userfaultfd write protect tracking to use
     RISC-V's Svrsw60t59b extension

  "mm: swap: small fixes and comment cleanups" (Youngjun Park)
     Fix a small bug and clean up some of the swap code

  "initial work on making VMA flags a bitmap" (Lorenzo Stoakes)
     Start work on converting the vma struct's flags to a bitmap, so we
     stop running out of them, especially on 32-bit

  "mm/swapfile: fix and cleanup swap list iterations" (Youngjun Park)
     Address a possible bug in the swap discard code and clean things
     up a little

[ This merge also reverts commit ebb9aeb980 ("vfio/nvgrace-gpu:
  register device memory for poison handling") because it looks
  broken to me, I've asked for clarification   - Linus ]

* tag 'mm-stable-2025-12-03-21-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (321 commits)
  mm: fix vma_start_write_killable() signal handling
  mm/swapfile: use plist_for_each_entry in __folio_throttle_swaprate
  mm/swapfile: fix list iteration when next node is removed during discard
  fs/proc/task_mmu.c: fix make_uffd_wp_huge_pte() huge pte handling
  mm/kfence: add reboot notifier to disable KFENCE on shutdown
  memcg: remove inc/dec_lruvec_kmem_state helpers
  selftests/mm/uffd: initialize char variable to Null
  mm: fix DEBUG_RODATA_TEST indentation in Kconfig
  mm: introduce VMA flags bitmap type
  tools/testing/vma: eliminate dependency on vma->__vm_flags
  mm: simplify and rename mm flags function for clarity
  mm: declare VMA flags by bit
  zram: fix a spelling mistake
  mm/page_alloc: optimize lowmem_reserve max lookup using its semantic monotonicity
  mm/vmscan: skip increasing kswapd_failures when reclaim was boosted
  pagemap: update BUDDY flag documentation
  mm: swap: remove scan_swap_map_slots() references from comments
  mm: swap: change swap_alloc_slow() to void
  mm, swap: remove redundant comment for read_swap_cache_async
  mm, swap: use SWP_SOLIDSTATE to determine if swap is rotational
  ...
2025-12-05 13:52:43 -08:00
Linus Torvalds 0b1b4a3d8e Runtime verifier updates for v6.19:
- Adapt the ftracetest script to be run from a different folder
 
   This uses the already existing OPT_TEST_DIR but extends it further to run
   independent tests, then add an --rv flag to allow using the script for
   testing RV (mostly) independently on ftrace.
 
 - Add basic RV selftests in selftests/verification for more validations
 
   Add more validations for available/enabled monitors and reactors. This
   could have caught the bug introducing kernel panic solved above. Tests use
   ftracetest.
 
 - Convert react() function in reactor to use va_list directly
 
   Use a central helper to handle the variadic arguments. Clean up macros
   and mark functions as static.
 
 - Add lockdep annotations to reactors to have lockdep complain of errors
 
   If the reactors are called from improper context. Useful to develop new
   reactors. This highlights a warning in the panic reactor that is related
   to the printk subsystem and not to RV.
 
 - Convert core RV code to use lock guards and __free helpers
 
   This completely removes goto statements.
 
 - Fix compilation if !CONFIG_RV_REACTORS
 
   Fix the warning by keeping LTL monitor variable as always static.
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Merge tag 'trace-rv-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull runtime verifier updates from Steven Rostedt:

 - Adapt the ftracetest script to be run from a different folder

   This uses the already existing OPT_TEST_DIR but extends it further to
   run independent tests, then add an --rv flag to allow using the
   script for testing RV (mostly) independently on ftrace.

 - Add basic RV selftests in selftests/verification for more validations

   Add more validations for available/enabled monitors and reactors.
   This could have caught the bug introducing kernel panic solved above.
   Tests use ftracetest.

 - Convert react() function in reactor to use va_list directly

   Use a central helper to handle the variadic arguments. Clean up
   macros and mark functions as static.

 - Add lockdep annotations to reactors to have lockdep complain of
   errors

   If the reactors are called from improper context. Useful to develop
   new reactors. This highlights a warning in the panic reactor that is
   related to the printk subsystem and not to RV.

 - Convert core RV code to use lock guards and __free helpers

   This completely removes goto statements.

 - Fix compilation if !CONFIG_RV_REACTORS

   Fix the warning by keeping LTL monitor variable as always static.

* tag 'trace-rv-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  rv: Fix compilation if !CONFIG_RV_REACTORS
  rv: Convert to use __free
  rv: Convert to use lock guard
  rv: Add explicit lockdep context for reactors
  rv: Make rv_reacting_on() static
  rv: Pass va_list to reactors
  selftests/verification: Add initial RV tests
  selftest/ftrace: Generalise ftracetest to use with RV
2025-12-05 10:17:00 -08:00
Linus Torvalds 5779de8d36 rtla updaets for v6.19:
- Officially add Tomas Glozar as a maintainer to RTLA tool
 
 - Add for_each_monitored_cpu() helper
 
   In multiple places, RTLA tools iterate over the list of CPUs running
   tracer threads.
 
   Use single helper instead of repeating the for/if combination.
 
 - Remove unused variable option_index in argument parsing
 
   RTLA tools use getopt_long() for argument parsing. For its last
   argument, an unused variable "option_index" is passed.
 
   Remove the variable and pass NULL to getopt_long() to shorten
   the naturally long parsing functions, and make them more readable.
 
 - Fix unassigned nr_cpus after code consolidation
 
   In recent code consolidation, timerlat tool cleanup, previously
   implemented separately for each tool, was moved to a common function
   timerlat_free().
 
   The cleanup relies on nr_cpus being set. This was not done in the new
   function, leaving the variable uninitialized.
 
   Initialize the variable properly, and remove silencing of compiler
   warning for uninitialized variables.
 
 - Stop tracing on user latency in BPF mode
 
   Despite the name, rtla-timerlat's -T/--thread option sets timerlat's
   stop_tracing_total_us option, which also stops tracing on
   return-from-user latency, not only on thread latency.
 
   Implement the same behavior also in BPF sample collection stop tracing
   handler to avoid a discrepancy and restore correspondence of behavior
   with the equivalent option of cyclictest.
 
 - Fix threshold actions always triggering
 
   A bug in threshold action logic caused the action to execute even
   if tracing did not stop because of threshold.
 
   Fix the logic to stop correctly.
 
 - Fix few minor issues in tests
 
   Extend tests that were shown to need it to 5s, fix osnoise test
   calling timerlat by mistake, and use new, more reliable output
   checking in timerlat's "top stop at failed action" test.
 
 - Do not print usage on argument parsing error
 
   RTLA prints the entire usage message on encountering errors in
   argument parsing, like a malformed CPU list.
 
   The usage message has gotten too long. Instead of printing it,
   use newly added fatal() helper function to simply exit with
   the error message, excluding the usage.
 
 - Fix unintuitive -C/--cgroup interface
 
   "-C cgroup" and "--cgroup cgroup" are invalid syntax, despite that
   being a common way to specify an option with argument. Moreover,
   using them fails silently and no cgroup is set.
 
   Create new helper function to unify the handling of all such options
   and allow all of:
 
   -Xsomething
   -X=something
   -X something
 
   as well as the equivalent for the long option.
 
 - Fix -a overriding -t argument filename
 
   Fix a bug where -a following -t custom_file.txt overrides the custom
   filename with the default timerlat_trace.txt.
 
 - Stop tracing correctly on multiple events at once
 
   In some race scenarios, RTLA BPF sample collection might send multiple
   stop tracing events via the BPF ringbuffer at once.
 
   Compare the number of events for != 0 instead of == 1 to cover for
   this scenario and stop tracing properly.
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Merge tag 'trace-tools-v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull rtla trace tooling updates from Steven Rostedt:

 - Officially add Tomas Glozar as a maintainer to RTLA tool

 - Add for_each_monitored_cpu() helper

   In multiple places, RTLA tools iterate over the list of CPUs running
   tracer threads.

   Use single helper instead of repeating the for/if combination.

 - Remove unused variable option_index in argument parsing

   RTLA tools use getopt_long() for argument parsing. For its last
   argument, an unused variable "option_index" is passed.

   Remove the variable and pass NULL to getopt_long() to shorten the
   naturally long parsing functions, and make them more readable.

 - Fix unassigned nr_cpus after code consolidation

   In recent code consolidation, timerlat tool cleanup, previously
   implemented separately for each tool, was moved to a common function
   timerlat_free().

   The cleanup relies on nr_cpus being set. This was not done in the new
   function, leaving the variable uninitialized.

   Initialize the variable properly, and remove silencing of compiler
   warning for uninitialized variables.

 - Stop tracing on user latency in BPF mode

   Despite the name, rtla-timerlat's -T/--thread option sets timerlat's
   stop_tracing_total_us option, which also stops tracing on
   return-from-user latency, not only on thread latency.

   Implement the same behavior also in BPF sample collection stop
   tracing handler to avoid a discrepancy and restore correspondence of
   behavior with the equivalent option of cyclictest.

 - Fix threshold actions always triggering

   A bug in threshold action logic caused the action to execute even if
   tracing did not stop because of threshold.

   Fix the logic to stop correctly.

 - Fix few minor issues in tests

   Extend tests that were shown to need it to 5s, fix osnoise test
   calling timerlat by mistake, and use new, more reliable output
   checking in timerlat's "top stop at failed action" test.

 - Do not print usage on argument parsing error

   RTLA prints the entire usage message on encountering errors in
   argument parsing, like a malformed CPU list.

   The usage message has gotten too long. Instead of printing it, use
   newly added fatal() helper function to simply exit with the error
   message, excluding the usage.

 - Fix unintuitive -C/--cgroup interface

   "-C cgroup" and "--cgroup cgroup" are invalid syntax, despite that
   being a common way to specify an option with argument. Moreover,
   using them fails silently and no cgroup is set.

   Create new helper function to unify the handling of all such options
   and allow all of:

     -Xsomething
     -X=something
     -X something

   as well as the equivalent for the long option.

 - Fix -a overriding -t argument filename

   Fix a bug where -a following -t custom_file.txt overrides the custom
   filename with the default timerlat_trace.txt.

 - Stop tracing correctly on multiple events at once

   In some race scenarios, RTLA BPF sample collection might send
   multiple stop tracing events via the BPF ringbuffer at once.

   Compare the number of events for != 0 instead of == 1 to cover for
   this scenario and stop tracing properly.

* tag 'trace-tools-v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  rtla/timerlat: Exit top main loop on any non-zero wait_retval
  rtla/tests: Don't rely on matching ^1ALL
  rtla: Fix -a overriding -t argument
  rtla: Fix -C/--cgroup interface
  tools/rtla: Replace osnoise_hist_usage("...") with fatal("...")
  tools/rtla: Replace osnoise_top_usage("...") with fatal("...")
  tools/rtla: Replace timerlat_hist_usage("...") with fatal("...")
  tools/rtla: Replace timerlat_top_usage("...") with fatal("...")
  tools/rtla: Add fatal() and replace error handling pattern
  rtla/tests: Fix osnoise test calling timerlat
  rtla/tests: Extend action tests to 5s
  tools/rtla: Fix --on-threshold always triggering
  rtla/timerlat_bpf: Stop tracing on user latency
  tools/rtla: Fix unassigned nr_cpus
  tools/rtla: Remove unused optional option_index
  tools/rtla: Add for_each_monitored_cpu() helper
  MAINTAINERS: Add Tomas Glozar as a maintainer to RTLA tool
2025-12-05 09:34:01 -08:00
Linus Torvalds deb879faa9 drm next part 2 for 6.19-rc1
vfio:
 - add a vfio_pci variant driver for Intel
 
 xe/i915 display:
 - add plane color management support
 
 xe:
 - Add scope-based cleanup helper for runtime PM
 - vfio xe driver prerequisites and exports
 - fix vfio link error
 - Fix a memory leak
 - Fix a 64-bit division
 - vf migration fix
 - LRC pause fix
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Merge tag 'drm-next-2025-12-05' of https://gitlab.freedesktop.org/drm/kernel

Pull more drm updates from Dave Airlie:
 "There was some additional intel code for color operations we wanted to
  land. However I discovered I missed a pull for the xe vfio driver
  which I had sorted into 6.20 in my brain, until Thomas mentioned it.

  This contains the xe vfio code, a bunch of xe fixes that were waiting
  and the i915 color management support. I'd like to include it as part
  of keeping the two main vendors on the same page and giving a good
  cross-driver experience for userspace when it starts using it.

  vfio:
   - add a vfio_pci variant driver for Intel

  xe/i915 display:
   - add plane color management support

  xe:
   - Add scope-based cleanup helper for runtime PM
   - vfio xe driver prerequisites and exports
   - fix vfio link error
   - Fix a memory leak
   - Fix a 64-bit division
   - vf migration fix
   - LRC pause fix"

* tag 'drm-next-2025-12-05' of https://gitlab.freedesktop.org/drm/kernel: (25 commits)
  drm/i915/color: Enable Plane Color Pipelines
  drm/i915/color: Add 3D LUT to color pipeline
  drm/i915/color: Add registers for 3D LUT
  drm/i915/color: Program Plane Post CSC Registers
  drm/i915/color: Program Pre-CSC registers
  drm/i915/color: Add framework to program PRE/POST CSC LUT
  drm/i915: Add register definitions for Plane Post CSC
  drm/i915: Add register definitions for Plane Degamma
  drm/i915/color: Add plane CTM callback for D12 and beyond
  drm/i915/color: Preserve sign bit when int_bits is Zero
  drm/i915/color: Add framework to program CSC
  drm/i915/color: Create a transfer function color pipeline
  drm/i915/color: Add helper to create intel colorop
  drm/i915: Add intel_color_op
  drm/i915/display: Add identifiers for driver specific blocks
  drm/xe/pf: fix VFIO link error
  drm/xe: Protect against unset LRC when pausing submissions
  drm/xe/vf: Start re-emission from first unsignaled job during VF migration
  drm/xe/pf: Use div_u64 when calculating GGTT profile
  drm/xe: Fix memory leak when handling pagefault vma
  ...
2025-12-04 19:42:53 -08:00
Linus Torvalds 55aa394a5e RDMA v6.19 merge window pull request
- Minor driver bug fixes and updates to cxgb4, rxe, rdmavt, bnxt_re, mlx5
 
 - Many bug fix patches for irdma
 
 - WQ_PERCPU annotations and system_dfl_wq changes
 
 - Improved mlx5 support for "other eswitches" and multiple PFs
 
 - 1600Gbps link speed reporting support. Four Digits Now!
 
 - New driver bng_en for latest generation Broadcom NICs
 
 - Bonding support for hns
 
 - Adjust mlx5's hmm based ODP to work with the very large address space
   created by the new 5 level paging default on x86
 
 - Lockdep fixups in rxe and siw
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull rdma updates from Jason Gunthorpe:
 "This has another new RDMA driver 'bng_en' for latest generation
  Broadcom NICs. There might be one more new driver still to come.

  Otherwise it is a fairly quite cycle. Summary:

   - Minor driver bug fixes and updates to cxgb4, rxe, rdmavt, bnxt_re,
     mlx5

   - Many bug fix patches for irdma

   - WQ_PERCPU annotations and system_dfl_wq changes

   - Improved mlx5 support for "other eswitches" and multiple PFs

   - 1600Gbps link speed reporting support. Four Digits Now!

   - New driver bng_en for latest generation Broadcom NICs

   - Bonding support for hns

   - Adjust mlx5's hmm based ODP to work with the very large address
     space created by the new 5 level paging default on x86

   - Lockdep fixups in rxe and siw"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (65 commits)
  RDMA/rxe: reclassify sockets in order to avoid false positives from lockdep
  RDMA/siw: reclassify sockets in order to avoid false positives from lockdep
  RDMA/bng_re: Remove prefetch instruction
  RDMA/core: Reduce cond_resched() frequency in __ib_umem_release
  RDMA/irdma: Fix SRQ shadow area address initialization
  RDMA/irdma: Remove doorbell elision logic
  RDMA/irdma: Do not set IBK_LOCAL_DMA_LKEY for GEN3+
  RDMA/irdma: Do not directly rely on IB_PD_UNSAFE_GLOBAL_RKEY
  RDMA/irdma: Add missing mutex destroy
  RDMA/irdma: Fix SIGBUS in AEQ destroy
  RDMA/irdma: Add a missing kfree of struct irdma_pci_f for GEN2
  RDMA/irdma: Fix data race in irdma_free_pble
  RDMA/irdma: Fix data race in irdma_sc_ccq_arm
  RDMA/mlx5: Add support for 1600_8x lane speed
  RDMA/core: Add new IB rate for XDR (8x) support
  IB/mlx5: Reduce IMR KSM size when 5-level paging is enabled
  RDMA/bnxt_re: Pass correct flag for dma mr creation
  RDMA/bnxt_re: Fix the inline size for GenP7 devices
  RDMA/hns: Support reset recovery for bond
  RDMA/hns: Support link state reporting for bond
  ...
2025-12-04 18:54:37 -08:00
Linus Torvalds ce5cfb0fa2 IOMMU Updates for Linux v6.19
Including:
 
 	- Introduction of the generic IO page-table framework with support for
 	  Intel and AMD IOMMU formats from Jason. This has good potential for
 	  unifying more IO page-table implementations and making future
 	  enhancements more easy. But this also needed quite some fixes during
 	  development. All known issues have been fixed, but my feeling is that
 	  there is a higher potential than usual that more might be needed.
 
 	- Intel VT-d updates:
 	  - Use right invalidation hint in qi_desc_iotlb().
 
 	  - Reduce the scope of INTEL_IOMMU_FLOPPY_WA.
 
 	- ARM-SMMU updates:
 	  - Qualcomm device-tree binding updates for Kaanapali and Glymur SoCs
 	    and a new clock for the TBU.
 
 	  - Fix error handling if level 1 CD table allocation fails.
 
 	  - Permit more than the architectural maximum number of SMRs for funky
 	    Qualcomm mis-implementations of SMMUv2.
 
 	- Mediatek driver:
 	  - MT8189 iommu support.
 
 	- Move ARM IO-pgtable selftests to kunit.
 
 	- Device leak fixes for a couple of drivers.
 
 	- Random smaller fixes and improvements.
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Merge tag 'iommu-updates-v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux

Pull iommu updates from Joerg Roedel:

 - Introduction of the generic IO page-table framework with support for
   Intel and AMD IOMMU formats from Jason.

   This has good potential for unifying more IO page-table
   implementations and making future enhancements more easy. But this
   also needed quite some fixes during development. All known issues
   have been fixed, but my feeling is that there is a higher potential
   than usual that more might be needed.

 - Intel VT-d updates:
    - Use right invalidation hint in qi_desc_iotlb()
    - Reduce the scope of INTEL_IOMMU_FLOPPY_WA

 - ARM-SMMU updates:
    - Qualcomm device-tree binding updates for Kaanapali and Glymur SoCs
      and a new clock for the TBU.
    - Fix error handling if level 1 CD table allocation fails.
    - Permit more than the architectural maximum number of SMRs for
      funky Qualcomm mis-implementations of SMMUv2.

 - Mediatek driver:
    - MT8189 iommu support

 - Move ARM IO-pgtable selftests to kunit

 - Device leak fixes for a couple of drivers

 - Random smaller fixes and improvements

* tag 'iommu-updates-v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux: (81 commits)
  iommupt/vtd: Support mgaw's less than a 4 level walk for first stage
  iommupt/vtd: Allow VT-d to have a larger table top than the vasz requires
  powerpc/pseries/svm: Make mem_encrypt.h self contained
  genpt: Make GENERIC_PT invisible
  iommupt: Avoid a compiler bug with sw_bit
  iommu/arm-smmu-qcom: Enable use of all SMR groups when running bare-metal
  iommupt: Fix unlikely flows in increase_top()
  iommu/amd: Propagate the error code returned by __modify_irte_ga() in modify_irte_ga()
  MAINTAINERS: Update my email address
  iommu/arm-smmu-v3: Fix error check in arm_smmu_alloc_cd_tables
  dt-bindings: iommu: qcom_iommu: Allow 'tbu' clock
  iommu/vt-d: Restore previous domain::aperture_end calculation
  iommu/vt-d: Fix unused invalidation hint in qi_desc_iotlb
  iommu/vt-d: Set INTEL_IOMMU_FLOPPY_WA depend on BLK_DEV_FD
  iommu/tegra: fix device leak on probe_device()
  iommu/sun50i: fix device leak on of_xlate()
  iommu/omap: simplify probe_device() error handling
  iommu/omap: fix device leaks on probe_device()
  iommu/mediatek-v1: add missing larb count sanity check
  iommu/mediatek-v1: fix device leaks on probe()
  ...
2025-12-04 18:05:06 -08:00
Linus Torvalds 43dfc13ca9 pci-v6.19-changes
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Merge tag 'pci-v6.19-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci

Pull PCI updates from Bjorn Helgaas:
 "Enumeration:

   - Enable host bridge emulation for PCI_DOMAINS_GENERIC platforms (Dan
     Williams)

   - Switch vmd from custom domain number allocator to the common
     allocator to prevent a potential race with new non-VMD buses (Dan
     Williams)

   - Enable Precision Time Measurement (PTM) only if device advertises
     support for a relevant role, to prevent invalid PTM Requests that
     cause ACS violations that are reported as AER Uncorrectable
     Non-Fatal errors (Mika Westerberg)

  Resource management:

   - Prevent resource tree corruption when BAR resize fails (Ilpo
     Järvinen)

   - Restore BARs to the original size if a BAR resize fails (Ilpo
     Järvinen)

   - Remove BAR release from BAR resize attempts by the xe, i915, and
     amdgpu drivers so the PCI core can restore BARs if the resize fails
     (Ilpo Järvinen)

   - Move Resizable BAR code to rebar.c (Ilpo Järvinen)

   - Add pci_rebar_size_supported() and use it in i915 and xe (Ilpo
     Järvinen)

   - Add pci_rebar_get_max_size() and use it in xe and amdgpu (Ilpo
     Järvinen)

  Power management and error handling:

   - For drivers using PCI legacy suspend, save config state at suspend
     so that state (not any earlier state from enumeration, probe, or
     error recovery) will be restored when resuming (Lukas Wunner)

   - For devices with no driver or a driver that lacks power management,
     save config state at hibernate so that state (not any earlier state
     from enumeration, probe, or error recovery) will be restored when
     resuming (Lukas Wunner)

   - Save device config space on device addition, before driver binding,
     so error recovery works more reliably (Lukas Wunner)

   - Drop pci_save_state() from several drivers that no longer need it
     since the PCI core always does it and pci_restore_state() no longer
     invalidates the saved state (Lukas Wunner)

   - Document use of pci_save_state() by drivers to capture the state
     they want restored during error recovery (Lukas Wunner)

  Power control:

   - Add a struct pci_ops.assert_perst() function pointer to
     assert/deassert PCIe PERST# and implement it for the qcom driver
     (Krishna Chaitanya Chundru)

   - Add DT binding and pwrctrl driver for the Toshiba TC9563 PCIe
     switch, which must be held in reset after poweron so the pwrctrl
     driver can configure the switch via I2C before bringing up the
     links (Krishna Chaitanya Chundru)

  Endpoint framework:

   - Convert the endpoint doorbell test to use a threaded IRQ to fix a
     'sleeping while atomic' issue (Bhanu Seshu Kumar Valluri)

   - Add endpoint VNTB MSI doorbell support to reduce latency between
     host and endpoint (Frank Li)

  New native PCIe controller drivers:

   - Add CIX Sky1 host controller DT binding and driver (Hans Zhang)

   - Add NXP S32G host controller DT binding and driver (Vincent
     Guittot)

   - Add Renesas RZ/G3S host controller DT binding and driver (Claudiu
     Beznea)

   - Add SpacemiT K1 host controller DT binding and driver (Alex Elder)

  Amlogic Meson PCIe controller driver:

   - Update DT binding to name DBI region 'dbi', not 'elbi', and update
     driver to support both (Manivannan Sadhasivam)

  Apple PCIe controller driver:

   - Move struct pci_host_bridge allocation from pci_host_common_init()
     to callers, which significantly simplifies pcie-apple (Marc
     Zyngier)

  Broadcom STB PCIe controller driver:

   - Disable advertising ASPM L0s support correctly (Jim Quinlan)

   - Add a panic/die handler to print diagnostic info in case PCIe
     caused an unrecoverable abort (Jim Quinlan)

  Cadence PCIe controller driver:

   - Add module support for Cadence platform host and endpoint
     controller driver (Manikandan K Pillai)

   - Split headers into 'legacy' (LGA) and 'high perf' (HPA) to prepare
     for new CIX Sky1 driver (Manikandan K Pillai)

  MediaTek PCIe controller driver:

   - Convert DT binding to YAML schema (Christian Marangi)

   - Add Airoha AN7583 DT compatible and driver support (Christian
     Marangi)

  Qualcomm PCIe controller driver:

   - Add Qualcomm Kaanapali to SM8550 DT binding (Qiang Yu)

   - Add required 'power-domains' and 'resets' to qcom sa8775p, sc7280,
     sc8280xp, sm8150, sm8250, sm8350, sm8450, sm8550, x1e80100 DT
     schemas (Krzysztof Kozlowski)

   - Look up OPP using both frequency and data rate (not just frequency)
     so RPMh votes can account for both (Krishna Chaitanya Chundru)

  Rockchip DesignWare PCIe controller driver:

   - Add Rockchip RK3528 compatible strings in DT binding (Yao Zi)

  STMicroelectronics STM32MP25 PCIe controller driver:

   - Fix a race between link training and endpoint register
     initialization (Christian Bruel)

   - Align endpoint allocations to match the ATU requirements (Christian
     Bruel)

  Synopsys DesignWare PCIe controller driver:

   - Clear L1 PM Substate Capability 'Supported' bits unless glue driver
     says it's supported, which prevents users from enabling non-working
     L1SS. Currently only qcom and tegra194 support L1SS (Bjorn Helgaas)

   - Remove now-superfluous L1SS disable code from tegra194 (Bjorn
     Helgaas)

   - Configure L1SS support in dw-rockchip when DT says
     'supports-clkreq' (Shawn Lin)

  TI Keystone PCIe controller driver:

   - Fail the probe instead of silently succeeding if ks_pcie_of_data
     didn't specify Root Complex or Endpoint mode (Siddharth Vadapalli)

   - Make keystone buildable as a loadable module, except on ARM32 where
     hook_fault_code() is __init (Siddharth Vadapalli)"

* tag 'pci-v6.19-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (100 commits)
  MAINTAINERS: Add Manivannan Sadhasivam as PCI/pwrctrl maintainer
  MAINTAINERS: Add CIX Sky1 PCIe controller driver maintainer
  PCI: sky1: Add PCIe host support for CIX Sky1
  dt-bindings: PCI: Add CIX Sky1 PCIe Root Complex bindings
  PCI: cadence: Add support for High Perf Architecture (HPA) controller
  MAINTAINERS: Add NXP S32G PCIe controller driver maintainer
  PCI: s32g: Add NXP S32G PCIe controller driver (RC)
  PCI: dwc: Add register and bitfield definitions
  dt-bindings: PCI: s32g: Add NXP S32G PCIe controller
  PCI: Add Renesas RZ/G3S host controller driver
  PCI: host-generic: Move bridge allocation outside of pci_host_common_init()
  dt-bindings: PCI: Add Renesas RZ/G3S PCIe controller binding
  PCI: Validate pci_rebar_size_supported() input
  Documentation: PCI: Amend error recovery doc with pci_save_state() rules
  treewide: Drop pci_save_state() after pci_restore_state()
  PCI/ERR: Ensure error recoverability at all times
  PCI/PM: Stop needlessly clearing state_saved on enumeration and thaw
  PCI/PM: Reinstate clearing state_saved in legacy and !PM codepaths
  PCI: dw-rockchip: Configure L1SS support
  PCI: tegra194: Remove unnecessary L1SS disable code
  ...
2025-12-04 17:29:41 -08:00
Dave Airlie 55a271a0f7 Cross-subsystem Changes:
- Add device specific vfio_pci driver variant for intel graphics (Michal Winiarski)
 
 Driver Changes:
 - Add scope-based cleanup helper for runtime PM (Matt Roper)
 - Additional xe driver prerequisites and exports (Michal Winiarski)
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Merge tag 'topic/xe-vfio-2025-12-01' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-next

Cross-subsystem Changes:
- Add device specific vfio_pci driver variant for intel graphics (Michal Winiarski)

Driver Changes:
- Add scope-based cleanup helper for runtime PM (Matt Roper)
- Additional xe driver prerequisites and exports (Michal Winiarski)

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://patch.msgid.link/aS1bNpqeem6PIHrA@fedora
2025-12-05 10:16:25 +10:00
Linus Torvalds b0206c4eb6 power supply and reset changes for the 6.19 series
* power-supply core
   - documentation fixes
  * power-supply drivers
   - add BD71828 charger driver
   - add Richtek RT9756 driver
   - max77705: add adaptive input current support
   - max77705: add support for multiple devices
   - misc. small fixes
  * reset drivers
   - add spacemit-p1 poweroff/reboot driver
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Merge tag 'for-v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

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

  power-supply drivers:
   - add BD71828 charger driver
   - add Richtek RT9756 driver
   - max77705: add adaptive input current support
   - max77705: add support for multiple devices
   - misc small fixes

  reset drivers:
   - add spacemit-p1 poweroff/reboot driver"

* tag 'for-v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
  Revert "power: supply: qcom_battmgr: support disabling charge control"
  Documentation: power: rt9756: Document exported sysfs entries
  power: supply: rt9756: Add Richtek RT9756 smart cap divider charger
  dt-bindings: power: supply: Add Richtek RT9756 smart cap divider charger
  driver: reset: spacemit-p1: add driver for poweroff/reboot
  power: supply: apm_power: only unset own apm_get_power_status
  power: supply: use ktime_divns() to avoid 64-bit division
  docs: power: clean up power_supply_class.rst
  power: supply: qcom_battmgr: support disabling charge control
  power: supply: qcom_battmgr: clamp charge control thresholds
  power: supply: wm831x: Check wm831x_set_bits() return value
  power: supply: rt9467: Prevent using uninitialized local variable in rt9467_set_value_from_ranges()
  power: supply: rt9467: Return error on failure in rt9467_set_value_from_ranges()
  power: supply: max17040: Check iio_read_channel_processed() return code
  power: supply: cw2015: Check devm_delayed_work_autocancel() return code
  power: supply: rt5033_charger: Fix device node reference leaks
  power: supply: max77705: Fix potential IRQ chip conflict when probing two devices
  power: supply: max77705_charger: implement aicl feature
  MAINTAINERS: Add entry for BD71828 charger
  power: supply: Add bd718(15/28/78) charger driver
2025-12-04 16:12:03 -08:00
Linus Torvalds 6044a1ee9d Devicetree updates for v6.19:
DT bindings:
 - Convert lattice,ice40-fpga-mgr, apm,xgene-storm-dma, brcm,sr-thermal,
   amazon,al-thermal, brcm,ocotp, mt8173-mdp, Actions Owl SPS, Marvell
   AP80x System Controller, Marvell CP110 System Controller,
   cznic,moxtet, and apm,xgene-slimpro-mbox to DT schema format
 
 - Add i.MX95 fsl,irqsteer, MT8365 Mali Bifrost GPU, Anvo ANV32C81W
   EEPROM, and Microchip pic64gx PLIC
 
 - Add missing LGE, AMD Seattle, and APM X-Gene SoC platform compatibles
 
 - Updates to brcm,bcm2836-l1-intc, brcm,bcm2835-hvs, and bcm2711-hdmi
   bindings to fix warnings on BCM2712 platforms
 
 - Drop obsolete db8500-thermal.txt
 
 - Treewide clean-up of extra blank lines and inconsistent quoting
 
 - Ensure all .dtbo targets are applied to a base .dtb
 
 - Speed up dt_binding_check by skipping running validation on empty
   examples
 
 DT core:
 - Add of_machine_device_match() and of_machine_get_match_data() helpers
   and convert users treewide
 
 - Fix bounds checking of address properties in FDT code. Rework the code
   to have a single implementation of the bounds checks.
 
 - Rework of_irq_init() to ignore any implicit interrupt-parent (i.e. in
   a parent node) on nodes without an interrupt. This matches the spec
   description and fixes some RISC-V platforms.
 
 - Avoid a spurious message on overlay removal
 
 - Skip DT kunit tests on RISCV+ACPI
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Merge tag 'devicetree-for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree updates from Rob Herring:
 "DT bindings:

   - Convert lattice,ice40-fpga-mgr, apm,xgene-storm-dma,
     brcm,sr-thermal, amazon,al-thermal, brcm,ocotp, mt8173-mdp, Actions
     Owl SPS, Marvell AP80x System Controller, Marvell CP110 System
     Controller, cznic,moxtet, and apm,xgene-slimpro-mbox to DT schema
     format

   - Add i.MX95 fsl,irqsteer, MT8365 Mali Bifrost GPU, Anvo ANV32C81W
     EEPROM, and Microchip pic64gx PLIC

   - Add missing LGE, AMD Seattle, and APM X-Gene SoC platform
     compatibles

   - Updates to brcm,bcm2836-l1-intc, brcm,bcm2835-hvs, and bcm2711-hdmi
     bindings to fix warnings on BCM2712 platforms

   - Drop obsolete db8500-thermal.txt

   - Treewide clean-up of extra blank lines and inconsistent quoting

   - Ensure all .dtbo targets are applied to a base .dtb

   - Speed up dt_binding_check by skipping running validation on empty
     examples

  DT core:

   - Add of_machine_device_match() and of_machine_get_match_data()
     helpers and convert users treewide

   - Fix bounds checking of address properties in FDT code. Rework the
     code to have a single implementation of the bounds checks.

   - Rework of_irq_init() to ignore any implicit interrupt-parent (i.e.
     in a parent node) on nodes without an interrupt. This matches the
     spec description and fixes some RISC-V platforms.

   - Avoid a spurious message on overlay removal

   - Skip DT kunit tests on RISCV+ACPI"

* tag 'devicetree-for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (55 commits)
  dt-bindings: kbuild: Skip validating empty examples
  dt-bindings: interrupt-controller: brcm,bcm2836-l1-intc: Drop interrupt-controller requirement
  dt-bindings: display: Fix brcm,bcm2835-hvs bindings for BCM2712
  dt-bindings: display: bcm2711-hdmi: Add interrupt details for BCM2712
  of: Skip devicetree kunit tests when RISCV+ACPI doesn't populate root node
  soc: tegra: Simplify with of_machine_device_match()
  soc: qcom: ubwc: Simplify with of_machine_get_match_data()
  powercap: dtpm: Simplify with of_machine_get_match_data()
  platform: surface: Simplify with of_machine_get_match_data()
  irqchip/atmel-aic: Simplify with of_machine_get_match_data()
  firmware: qcom: scm: Simplify with of_machine_device_match()
  cpuidle: big_little: Simplify with of_machine_device_match()
  cpufreq: sun50i: Simplify with of_machine_device_match()
  cpufreq: mediatek: Simplify with of_machine_get_match_data()
  cpufreq: dt-platdev: Simplify with of_machine_get_match_data()
  of: Add wrappers to match root node with OF device ID tables
  dt-bindings: eeprom: at25: Add Anvo ANV32C81W
  of/reserved_mem: Simplify the logic of __reserved_mem_alloc_size()
  of/reserved_mem: Simplify the logic of fdt_scan_reserved_mem_reg_nodes()
  of/reserved_mem: Simplify the logic of __reserved_mem_reserve_reg()
  ...
2025-12-04 15:50:37 -08:00
Linus Torvalds d1b46f53a5 Backlight for v6.19
* Add support for Awinic AW99706 backlight driver.
 
   * Add GPIOLIB dependency to backlight ktd2801 driver.
   * Add devlink to LED Backlight's supplier LEDs to enforce correct removal
     order and prevent NULL pointer dereferences.
   * Fix kernel-doc warnings in lp855x.h
 
   * Do not include <linux/fb.h> in backlight.h.
   * Fix unused function warnings from suspend/resume ops in aw99706.c by
     switching to DEFINE_SIMPLE_DEV_PM_OPS and using pm_ptr().
 
   * Add Awinic AW99706 backlight binding to MAINTAINERS.
   * Add Awinic AW99706 backlight binding documentation.
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Merge tag 'backlight-next-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight

Pull backlight updates from Lee Jones:
 "Additions:
   - Add support for Awinic AW99706 backlight driver

  Fixes:
   - Add GPIOLIB dependency to backlight ktd2801 driver
   - Add devlink to LED Backlight's supplier LEDs to enforce correct
     removal order and prevent NULL pointer dereferences
   - Fix kernel-doc warnings in lp855x.h

  Removals:
   - Do not include <linux/fb.h> in backlight.h
   - Fix unused function warnings from suspend/resume ops in aw99706.c
     by switching to DEFINE_SIMPLE_DEV_PM_OPS and using pm_ptr()

  Bindings:
   - Add Awinic AW99706 backlight binding to MAINTAINERS
   - Add Awinic AW99706 backlight binding documentation"

* tag 'backlight-next-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
  backlight: aw99706: Fix unused function warnings from suspend/resume ops
  backlight: lp855x: Fix lp855x.h kernel-doc warnings
  dt-bindings: leds: backlight: Add Awinic AW99706 backlight
  backlight: aw99706: Add support for Awinic AW99706 backlight
  backlight: led-bl: Add devlink to supplier LEDs
  backlight: ktd2801: Depend on GPIOLIB
  backlight: Do not include <linux/fb.h> in header file
2025-12-04 15:29:27 -08:00
Linus Torvalds 980190a947 MFD for v6.19
* Add Core, Regulator, Onkey and Battery Charger support for the NXP PF1550
     Power Management IC (PMIC).
   * Introduce __SMC_KEY macro to fix GCC 15.2.1 errors in macsmc.
   * Add board definitions for TQMxCU1-HPCM and TQMxCU2-HPCM to the tqmx86 driver.
   * Add support for Broadcom BCM2712 SoC to the bcm2835-pm driver.
   * Hook up the qnap-mcu-eeprom sub-device to qnap-mcu.
 
   * Enable compile testing for the Altera SOCFPGA System Manager driver.
   * Fix device reference leak in altr_sysmgr_regmap_lookup_by_phandle().
   * Reserve the unused second I2C address for DA9063 to prevent userspace
     interference.
   * Fix resource leak in da9055_device_init() by calling regmap_del_irq_chip()
     in the error path.
   * Fix potential IRQ chip conflict when probing multiple MAX77620 devices by
     using devm_kmemdup for regmap_irq_chip.
   * Return -EPROBE_DEFER when a syscon devuice is not found to allow deferred
     probing.
   * Update email address for the PF1550 PMIC driver in MAINTAINERS.
   * Correct file entry for PF1550 MFD driver in MAINTAINERS from pfd1550.h to
     pf1550.h.
   * Calculate checksum on the actual number of received bytes in qnap-mcu for
     error messages.
   * Use -EPROTO instead of -EIO for checksum errors in qnap-mcu.
   * Add proper error handling for command errors (e.g., "@8", "@9") in qnap-mcu.
   * Fix missing irq_domain_remove() in error path of mt63{58,97}_irq_init().
 
   * Mark SMC write buffer arguments as const in apple_smc_write(), apple_smc_rw(),
     and apple_smc_write_atomic().
   * Simplify the error handling path in da9055_device_init() by removing a
     redundant mfd_remove_devices() call.
   * Use regmap_reg_range() and a real one-element array for pmic_status_range in
     rohm-bd718x7 for cleaner initialization.
   * Remove select I2C_K1 from MFD_SPACEMIT_P1 to avoid build failures when
     I2C_K1's dependencies are disabled.
   * Remove unneeded semicolon from ls2k_bmc_recover_pci_data().
   * Drop OF dependency for MFD_MAX5970 in Kconfig to allow wider compile testing
     and non-OF systems.
   * Make OF ID table style consistent in simple-mfd-i2c driver.
   * Update header inclusions in simple-mfd-i2c to follow IWYU (Include What You
     Use) principle.
   * Move checksum verification logic to a separate function in qnap-mcu.
   * Use chained IRQs for S2MPG10 in the Samsung SEC driver to simplify interrupt
     handling.
   * Drop a stray semicolon from sec-irq.c.
 
   * Remove the unused TI WL1273 FM radio core driver.
   * Remove the unused wl1273-core.h header and tidy up its reference in
     documentation.
 
   * Add Device Tree binding for the NXP PF1550 PMIC.
   * Add missing GPIO pins and supply properties to the Silergy SY7636A PMIC
     binding.
   * Add interrupt-controller property to the Maxim MAX77705 binding for
     sub-device interrupt source determination.
   * Add Device Tree binding for the Renesas R2A11302FT PMIC.
   * Allow the wakeup-source property in the Dialog DA9063 binding.
   * Make interrupt-related properties optional in the TI TPS65910 PMIC binding.
   * Document the Qualcomm PMIV0104 PMIC compatible string.
   * Document the Qualcomm PM7550 PMIC compatible string.
   * Enable power button subnode for TWL603x in the TI TWL binding.
   * Convert the Dialog DA9052/53 I2C binding from .txt to .yaml format,
     including compatible string fallback and interrupt properties.
   * Document control-scb and sysreg-scb syscons on pic64gx with fallback
     compatibles.
   * Document sama7g5-sfrbu and sama7d65-sfrbu syscons with fallback to
     atmel,sama5d2-sfrbu.
   * Fix LEDs node schema in fsl,mc13xxx binding by adding led@ child nodes and
     missing properties.
   * Add mt7981-topmisc compatible string to the syscon binding.
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Merge tag 'mfd-next-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Updates:
   - Add Core, Regulator, Onkey and Battery Charger support for the NXP
     PF1550 Power Management IC (PMIC)
   - Introduce __SMC_KEY macro to fix GCC 15.2.1 errors in macsmc
   - Add board definitions for TQMxCU1-HPCM and TQMxCU2-HPCM to the
     tqmx86 driver
   - Add support for Broadcom BCM2712 SoC to the bcm2835-pm driver
   - Hook up the qnap-mcu-eeprom sub-device to qnap-mcu

  Fixes:
   - Enable compile testing for the Altera SOCFPGA System Manager driver
   - Fix device reference leak in altr_sysmgr_regmap_lookup_by_phandle()
   - Reserve the unused second I2C address for DA9063 to prevent
     userspace interference
   - Fix resource leak in da9055_device_init() by calling
     regmap_del_irq_chip() in the error path
   - Fix potential IRQ chip conflict when probing multiple MAX77620
     devices by using devm_kmemdup for regmap_irq_chip
   - Return -EPROBE_DEFER when a syscon devuice is not found to allow
     deferred probing
   - Update email address for the PF1550 PMIC driver in MAINTAINERS
   - Correct file entry for PF1550 MFD driver in MAINTAINERS from
     pfd1550.h to pf1550.h
   - Calculate checksum on the actual number of received bytes in
     qnap-mcu for error messages
   - Use -EPROTO instead of -EIO for checksum errors in qnap-mcu
   - Add proper error handling for command errors (e.g., "@8", "@9") in
     qnap-mcu
   - Fix missing irq_domain_remove() in error path of
     mt63{58,97}_irq_init()

  Cleanups:
   - Mark SMC write buffer arguments as const in apple_smc_write(),
     apple_smc_rw(), and apple_smc_write_atomic()
   - Simplify the error handling path in da9055_device_init() by
     removing a redundant mfd_remove_devices() call
   - Use regmap_reg_range() and a real one-element array for
     pmic_status_range in rohm-bd718x7 for cleaner initialization
   - Remove select I2C_K1 from MFD_SPACEMIT_P1 to avoid build failures
     when I2C_K1's dependencies are disabled
   - Remove unneeded semicolon from ls2k_bmc_recover_pci_data()
   - Drop OF dependency for MFD_MAX5970 in Kconfig to allow wider
     compile testing and non-OF systems
   - Make OF ID table style consistent in simple-mfd-i2c driver
   - Update header inclusions in simple-mfd-i2c to follow IWYU (Include
     What You Use) principle
   - Move checksum verification logic to a separate function in qnap-mcu
   - Use chained IRQs for S2MPG10 in the Samsung SEC driver to simplify
     interrupt handling
   - Drop a stray semicolon from sec-irq.c

  Removals:
   - Remove the unused TI WL1273 FM radio core driver
   - Remove the unused wl1273-core.h header and tidy up its reference in
     documentation

  Device tree bindings:
   - Add Device Tree binding for the NXP PF1550 PMIC
   - Add missing GPIO pins and supply properties to the Silergy SY7636A
     PMIC binding
   - Add interrupt-controller property to the Maxim MAX77705 binding for
     sub-device interrupt source determination
   - Add Device Tree binding for the Renesas R2A11302FT PMIC
   - Allow the wakeup-source property in the Dialog DA9063 binding
   - Make interrupt-related properties optional in the TI TPS65910 PMIC
     binding
   - Document the Qualcomm PMIV0104 PMIC compatible string
   - Document the Qualcomm PM7550 PMIC compatible string
   - Enable power button subnode for TWL603x in the TI TWL binding
   - Convert the Dialog DA9052/53 I2C binding from .txt to .yaml format,
     including compatible string fallback and interrupt properties
   - Document control-scb and sysreg-scb syscons on pic64gx with
     fallback compatibles
   - Document sama7g5-sfrbu and sama7d65-sfrbu syscons with fallback to
     atmel,sama5d2-sfrbu
   - Fix LEDs node schema in fsl,mc13xxx binding by adding led@ child
     nodes and missing properties
   - Add mt7981-topmisc compatible string to the syscon binding"

* tag 'mfd-next-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (42 commits)
  mfd: sec: Drop a stray semicolon
  mfd: qnap-mcu: Hook up the EEPROM sub-device
  dt-bindings: mfd: syscon: Add mt7981-topmisc
  dt-bindings: mfd: fsl,mc13xxx: Fix LEDs node schema
  mfd: mt6358-irq: Fix missing irq_domain_remove() in error path
  mfd: mt6397-irq: Fix missing irq_domain_remove() in error path
  dt-bindings: mfd: Document syscons falling back to atmel,sama5d2-sfrbu
  dt-bindings: mfd: Document control-scb and sysreg-scb on pic64gx
  dt-bindings: mfd: Convert dlg,da9052-i2c.txt to yaml format
  mfd: sec: Use chained IRQs for s2mpg10
  mfd: qnap-mcu: Add proper error handling for command errors
  mfd: qnap-mcu: Move checksum verification to its own function
  mfd: qnap-mcu: Use EPROTO in stead of EIO on checksum errors
  mfd: qnap-mcu: Calculate the checksum on the actual number of bytes received
  mfd: simple-mfd-i2c: Don't use "proxy" headers
  mfd: simple-mfd-i2c: Make ID table style consistent
  mfd: Kconfig: Drop OF dependency on MFD_MAX5970
  mfd: ls2kbmc: Remove unneeded semicolon from ls2k_bmc_recover_pci_data()
  dt-bindings: mfd: twl: Enable power button also for TWL603X
  MAINTAINERS: Adjust file entry in NXP PF1550 PMIC MFD DRIVER
  ...
2025-12-04 15:18:33 -08:00
Linus Torvalds dd463c51a3 MMC core:
- Allow more host caps to be modified through debugfs
  - Skip to set the default 200mA SD current limit
 
 MMC host:
  - Convert a few more DT bindings to the DT schema
  - dw_mmc: Add Shawn Lin as co-maintainer for the dw_mmc drivers
  - dw_mmc-rockchip: Add memory clock auto-gating support
  - dw_mmc-rockchip: Add support for the RK3506 variant
  - meson-mx-sdio: Ignore disabled "mmc-slot" child-nodes
  - meson-mx-sdio: Refactoring and general code improvements
  - renesas_sdhi: Enable bigger data ports where available
  - renesas_sdhi: Manage reset in probe and during system-wide suspend/resume
  - sdhci-brcmstb: Add support for the BCM72116 and BCM74371 variants
  - sdhci-brcmstb: Save/restore registers during system-wide suspend/resume
  - sdhci-msm: Add support for the sm8750 and the Kaanapali variants
  - sdhci-msm: Avoid early clock doubling during HS400 transition
  - sdhci-of-dwcmshc: Add command queue support for Rockchip SOCs
  - sdhci-of-dwcmshc: Add support for the Eswin EIC7700 variant
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Merge tag 'mmc-v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:
   - Allow more host caps to be modified through debugfs
   - Skip to set the default 200mA SD current limit

  MMC host:
   - Convert a few more DT bindings to the DT schema
   - dw_mmc: Add Shawn Lin as co-maintainer for the dw_mmc drivers
   - dw_mmc-rockchip:
       - Add memory clock auto-gating support
       - Add support for the RK3506 variant
   - meson-mx-sdio:
       - Ignore disabled "mmc-slot" child-nodes
       - Refactoring and general code improvements
   - renesas_sdhi:
       - Enable bigger data ports where available
       - Manage reset in probe and during system-wide suspend/resume
   - sdhci-brcmstb:
       - Add support for the BCM72116 and BCM74371 variants
       - Save/restore registers during system-wide suspend/resume
   - sdhci-msm:
       - Add support for the sm8750 and the Kaanapali variants
       - Avoid early clock doubling during HS400 transition
   - sdhci-of-dwcmshc:
       - Add command queue support for Rockchip SOCs
       - Add support for the Eswin EIC7700 variant"

* tag 'mmc-v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (40 commits)
  mmc: sdhci-of-dwcmshc: reduce CIT for better performance
  mmc: sdhci-of-dwcmshc: Disable internal clock auto gate for Rockchip SOCs
  mmc: sdhci-msm: Avoid early clock doubling during HS400 transition
  MAINTAINERS: Add Shawn Lin as co-maintainer for dw_mmc drivers
  mmc: sdhci-of-dwcmshc: Fix command queue support for RK3576
  mmc: renesas_sdhi: Add suspend/resume hooks
  mmc: renesas_sdhi: Switch to SYSTEM_SLEEP_PM_OPS()/RUNTIME_PM_OPS() and pm_ptr()
  mmc: renesas_sdhi: Deassert the reset signal on probe
  dt-bindings: mmc: am654: Simplify dma-coherent property
  mmc: meson-mx-sdio: Ignore disabled "mmc-slot" child-nodes
  mmc: meson-mx-sdio: Fix indentation in meson_mx_mmc_irq_thread()
  mmc: meson-mx-sdio: Use dev_err_probe() where appropriate
  mmc: meson-mx-sdio: Use devm_mmc_alloc_host() helper
  mmc: meson-mx-sdio: Refactor internal clock initialization
  mmc: meson-mx-sdio: Use devm_clk_get_enabled()
  mmc: meson-mx-sdio: Switch to regmap for register access
  mmc: core: add WQ_PERCPU to alloc_workqueue users
  mmc: dw_mmc-rockchip: Add memory clock auto-gating support
  mmc: omap: add WQ_PERCPU to alloc_workqueue users
  mmc: mtk-sd: replace use of system_wq with system_percpu_wq
  ...
2025-12-04 14:10:16 -08:00
Linus Torvalds 500920fa76 gpio updates for v6.19-rc1
GPIO core:
 - add proper support for shared GPIOs that's aiming to replace the
   current sharing mechanism (which provides no synchronization ot enable
   counting) and enable it for Qualcomm platforms
 - improve the software node GPIO lookup by using the fwnode
   representation instead of the software node's name which was prone to
   bugs (GPIO controllers don't have to use the software node's name as
   their kernel label)
 - remove the last user of legacy-of-mm-gpiochip.h and drop the header
 - move closer to removing the legacy gpio_request_one() routine
 - rename some symbols for consistency
 - shrink GPIO printk() helpers by reusing existing code
 - remove some redundant kernel messages
 - use min() instead of min_t() in GPIO ACPI code
 - use system_percpu_wq instead of system_wq in GPIO character device code
 
 New drivers:
 - add a driver for the QIXIS FPGA GPIO controller
 
 Driver improvements:
 - use modernized variants of power management macros across a wide array
   of drivers in order to avoid having to use the __maybe_unused attribute
 - convert gpio-elkhartlake and reset-gpio to using the auxiliary bus
   instead of the platform bus as they are not really described in
   firmware
 - use lock guards and update symbol prefixes in gpio-mmio
 - support the bryx radio interface kit in gpio-mpsse + refactor the
   driver
 - use software nodes for configuring the reset-gpio driver, including
   setting up the reference to the shared "reset" pin
 - check and propagate the return value of gpiod_set_value() to user-space
   in gpio-virtuser (this was previously not possible as this function
   returned void)
 - extend the gpio-regmap helper with more features (bypass cache for
   aliased inputs, force writes for aliased data registers, add a new
   configuration parameter)
 - remove unneeded includes from gpio-aspeed and gpio-latch
 - add support for Tegra410 to gpio-tegra186
 - replace PCI-specific PM with generic device-level PM in gpio-bt8xx
 - use dynamic GPIO range allocation in gpio-loongson-64bit
 - improve handling of level-triggered interrupts in gpio-pca953x
 - add suspend/resume support to gpio-fxl6408
 - add support for more models to gpio-menz127
 - optimize gpio-mvebu interrupt handling by avoiding unnecessary calls
   to mvebu_gpio_irq_handler()
 - make locking more consistent in gpio-grgpio
 
 Device-tree bindings:
 - document new NXP and Microchip models
 
 Documentation:
 - add a comprehensive compatibility and feature list for gpio-pca953x,
   which is a great addition as it's probably the most commonly used GPIO
   expander driver
 - kernel-doc tweaks
 
 Late fixes:
 - use BYTE_CTRL_MODE for 2K2000/3000 models in gpio-loongson
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Merge tag 'gpio-updates-for-v6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio updates from Bartosz Golaszewski:
 "There's one new driver, lots of various updates to existing ones, some
  refactoring support for new models and misc tweaks and fixes.

  The biggest new feature in GPIO core is adding support for managed,
  enable-counted sharing of GPIO pins, something that - until now - was
  only hacked around with the GPIOD_FLAGS_BIT_NONEXCLUSIVE request flag
  which basically allowed drivers to "fight it out" for the descriptor
  and provided no synchronization. It was enabled on Qualcomm platforms
  (and thus is enabled on arm64 defconfig) and I plan on removing
  GPIOD_FLAGS_BIT_NONEXCLUSIVE once all drivers using it are switched to
  the new mechanism.

  GPIO core:
   - add proper support for shared GPIOs that's aiming to replace the
     current sharing mechanism (which provides no synchronization ot
     enable counting) and enable it for Qualcomm platforms
   - improve the software node GPIO lookup by using the fwnode
     representation instead of the software node's name which was prone
     to bugs (GPIO controllers don't have to use the software node's
     name as their kernel label)
   - remove the last user of legacy-of-mm-gpiochip.h and drop the header
   - move closer to removing the legacy gpio_request_one() routine
   - rename some symbols for consistency
   - shrink GPIO printk() helpers by reusing existing code
   - remove some redundant kernel messages
   - use min() instead of min_t() in GPIO ACPI code
   - use system_percpu_wq instead of system_wq in GPIO character device
     code

  New drivers:
   - add a driver for the QIXIS FPGA GPIO controller

  Driver improvements:
   - use modernized variants of power management macros across a wide
     array of drivers in order to avoid having to use the __maybe_unused
     attribute
   - convert gpio-elkhartlake and reset-gpio to using the auxiliary bus
     instead of the platform bus as they are not really described in
     firmware
   - use lock guards and update symbol prefixes in gpio-mmio
   - support the bryx radio interface kit in gpio-mpsse + refactor the
     driver
   - use software nodes for configuring the reset-gpio driver, including
     setting up the reference to the shared "reset" pin
   - check and propagate the return value of gpiod_set_value() to
     user-space in gpio-virtuser (this was previously not possible as
     this function returned void)
   - extend the gpio-regmap helper with more features (bypass cache for
     aliased inputs, force writes for aliased data registers, add a new
     configuration parameter)
   - remove unneeded includes from gpio-aspeed and gpio-latch
   - add support for Tegra410 to gpio-tegra186
   - replace PCI-specific PM with generic device-level PM in gpio-bt8xx
   - use dynamic GPIO range allocation in gpio-loongson-64bit
   - improve handling of level-triggered interrupts in gpio-pca953x
   - add suspend/resume support to gpio-fxl6408
   - add support for more models to gpio-menz127
   - optimize gpio-mvebu interrupt handling by avoiding unnecessary
     calls to mvebu_gpio_irq_handler()
   - make locking more consistent in gpio-grgpio

  Device-tree bindings:
   - document new NXP and Microchip models

  Documentation:
   - add a comprehensive compatibility and feature list for
     gpio-pca953x, which is a great addition as it's probably the most
     commonly used GPIO expander driver
   - kernel-doc tweaks

  Late fixes:
   - use BYTE_CTRL_MODE for 2K2000/3000 models in gpio-loongson"

* tag 'gpio-updates-for-v6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (80 commits)
  gpio: loongson: Switch 2K2000/3000 GPIO to BYTE_CTRL_MODE
  gpio: regmap: fix kernel-doc notation
  gpio: shared: fix a deadlock
  gpio: shared-proxy: set suppress_bind_attrs
  gpio: shared: ignore GPIO hogs when traversing the device tree
  gpio: shared: ignore special __symbols__ node when traversing device tree
  gpio: shared: handle the reset-gpios corner case
  gpio: zynq: Use modern PM macros
  gpio: xilinx: Use modern PM macros
  gpio: xgene: Use modern PM macros
  gpio: uniphier: Use modern PM macros
  gpio: tqmx86: Use modern PM macros
  gpio: pch: Use modern PM macros
  gpio: omap: Use modern PM macros
  gpio: msc313: Use modern PM macros
  gpio: mlxbf2: Use modern PM macros
  gpio: ml-ioh: Use modern PM macros
  gpio: pl061: Use modern PM macros
  gpio: htc-egpio: Use modern PM macros
  gpio: brcmstb: Use modern PM macros
  ...
2025-12-04 12:33:38 -08:00
Linus Torvalds 02892f90a9 hwmon updates for v6.19
* New drivers
 
   - Driver for Apple Silicon SMC
 
   - Driver for TSC1641 I2C power monitor
 
   - Driver for MPS MP9945
 
   - Driver for MAX17616
 
   - Driver for MP2925 and MP2929
 
 * Added support for new devices to existing drivers
 
   - dell-smm: Add Dell G5 5505 to fan control whitelist
 
   - aspeed-g6-pwm-tach: Support for AST2700
 
   - asus-ec-sensors: Support for  ROG STRIX X470-I GAMING,
     ROG STRIX X870-F GAMING WIFI, ROG STRIX X870E-H GAMING WIFI7,
     and Pro WS TRX50-SAGE WIFI
 
   - k10temp: Support for AMD Steam Deck APU ID
 
   - pmbus/isl68137: Support for raa229141
 
   - aht10: Support for dht20
 
   - adt7410: Support for ADT7422
 
   - peci: Support for Intel Emerald Rapids
 
   - nct6775: Support for ASUS ROG STRIX X870E-H GAMING WIFI7
 
   - pmbus/max34440: Support for ADPM12200
 
   - ntc-thermistor: Support for Murata ncp18wm474
 
 * Infrastructure updates
 
   - Utilize subsystem locking in various drivers
 
   - ltc4282, ltc2947: Use the new energy64 attribute
 
 * Bug fixes
 
   - Various drivers: Fixes to avoid TOCTOU, mostly in macro functions
     evaluating parameters multiple times, as well as missing locks
 
   - max6697: Fix regmap leak on probe failure
 
   - sy7636a: Fix regulator_enable resource leak on error path
 
   - asus-ec-sensors: Correct Pro WS TRX50-SAGE WIFI entry
 
 * Other changes and improvements
 
   - w83781d, lm78: Drop REALLY_SLOW_IO
 
   - Fix broken datasheet links in various drivers
 
 * Various other minor fixes and improvements
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Merge tag 'hwmon-for-v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:
 "New drivers:
   - Apple Silicon SMC
   - TSC1641 I2C power monitor
   - MPS MP9945
   - MAX17616
   - MP2925 and MP2929

  Added support for new devices to existing drivers:
   - dell-smm: Add Dell G5 5505 to fan control whitelist
   - aspeed-g6-pwm-tach: Support for AST2700
   - asus-ec-sensors: Support for ROG STRIX X470-I GAMING, ROG STRIX
     X870-F GAMING WIFI, ROG STRIX X870E-H GAMING WIFI7, and Pro WS
     TRX50-SAGE WIFI
   - k10temp: Support for AMD Steam Deck APU ID
   - pmbus/isl68137: Support for raa229141
   - aht10: Support for dht20
   - adt7410: Support for ADT7422
   - peci: Support for Intel Emerald Rapids
   - nct6775: Support for ASUS ROG STRIX X870E-H GAMING WIFI7
   - pmbus/max34440: Support for ADPM12200
   - ntc-thermistor: Support for Murata ncp18wm474

  Infrastructure updates:
   - Utilize subsystem locking in various drivers
   - ltc4282, ltc2947: Use the new energy64 attribute

  Bug fixes:
   - Various drivers: Fixes to avoid TOCTOU, mostly in macro functions
     evaluating parameters multiple times, as well as missing locks
   - max6697: Fix regmap leak on probe failure
   - sy7636a: Fix regulator_enable resource leak on error path
   - asus-ec-sensors: Correct Pro WS TRX50-SAGE WIFI entry

  Other changes and improvements:
   - w83781d, lm78: Drop REALLY_SLOW_IO
   - Fix broken datasheet links in various drivers

  And various other minor fixes and improvements"

* tag 'hwmon-for-v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (110 commits)
  hwmon: (dell-smm) Add Dell G5 5505 to fan control whitelist
  hwmon: (max16065) Use local variable to avoid TOCTOU
  hwmon: (w83l786ng) Convert macros to functions to avoid TOCTOU
  hwmon: (max6697) fix regmap leak on probe failure
  hwmon/w83781d: Drop REALLY_SLOW_IO setting
  hwmon/lm78: Drop REALLY_SLOW_IO setting
  hwmon: sy7636a: Fix regulator_enable resource leak on error path
  hwmon: (adm1026) Convert macros to functions to avoid TOCTOU
  hwmon: (adm1029) Add locking to avoid TOCTOU
  hwmon: (lm87) Convert macros to functions to avoid TOCTOU
  hwmon: (asus-ec-sensors) correct Pro WS TRX50-SAGE WIFI entry
  hwmon: (vt8231) Convert macros to functions to avoid TOCTOU
  hwmon: (emc2103) Add locking to avoid TOCTOU
  hwmon: (aspeed-g6-pwm-tach): Add AST2700 compatible string
  dt-bindings: hwmon: Add AST2700 compatible
  hwmon: (asus-ec-sensors) add ROG STRIX X470-I GAMING
  hwmon: (vt1211) Convert macros to functions to avoid TOCTOU
  hwmon: (k10temp) Add AMD Steam Deck APU ID
  hwmon: Add Apple Silicon SMC hwmon driver
  Documentation/hwmon: Fix broken datasheet links for zl6100
  ...
2025-12-04 12:19:49 -08:00
Linus Torvalds fa5ef10561 spi: Updates for v6.19
This release is almost entirely new drivers, with a couple of small
 changes in generic code.  The biggest individual update is a rename of
 the existing Microchip driver and the addition of a new driver for the
 silicon SPI controller in their PolarFire SoCs.  The overlap between the
 soft IP supported by the current driver and this new one is regrettably
 all in the IP and not in the register interface offered to software.
 
  - Add a time offset parameter for offloads, allowing them to be defined
    in relation to each other.  This is useful for IIO type applcations
    where you trigger an operation then read the result after a delay.
  - Add a tracepoint for flash exec_ops, bringing the flash support more
    in line with the debuggability of vanilla SPI.
  - Support for Airoha EN7523, Arduino MCUs, Aspeed AST2700, Microchip
    PolarFire SPI controllers, NXP i.MX51 ECSPI target mode, Qualcomm
    IPQ5414 and IPQ5332, Renesas RZ/T2H, RZ/V2N and RZ/2NH and SpacemiT K1
    QuadSPI.
 
 There's also a small set of ASoC cleanups that I mistakenly applied to
 the SPI tree and then put more stuff on top of before it was brought to
 my attention, sorry about that.
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Merge tag 'spi-v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "This release is almost entirely new drivers, with a couple of small
  changes in generic code.

  The biggest individual update is a rename of the existing Microchip
  driver and the addition of a new driver for the silicon SPI controller
  in their PolarFire SoCs. The overlap between the soft IP supported by
  the current driver and this new one is regrettably all in the IP and
  not in the register interface offered to software.

   - Add a time offset parameter for offloads, allowing them to be
     defined in relation to each other. This is useful for IIO type
     applcations where you trigger an operation then read the result
     after a delay.

   - Add a tracepoint for flash exec_ops, bringing the flash support
     more in line with the debuggability of vanilla SPI.

   - Support for Airoha EN7523, Arduino MCUs, Aspeed AST2700, Microchip
     PolarFire SPI controllers, NXP i.MX51 ECSPI target mode, Qualcomm
     IPQ5414 and IPQ5332, Renesas RZ/T2H, RZ/V2N and RZ/2NH and SpacemiT
     K1 QuadSPI.

  There's also a small set of ASoC cleanups that I mistakenly applied to
  the SPI tree and then put more stuff on top of before it was brought
  to my attention, sorry about that"

* tag 'spi-v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (80 commits)
  spi: microchip-core: Refactor FIFO read and write handlers
  spi: ch341: fix out-of-bounds memory access in ch341_transfer_one
  spi: microchip-core: Remove unneeded PM related macro
  spi: microchip-core: Use SPI_MODE_X_MASK
  spi: microchip-core: Utilise temporary variable for struct device
  spi: microchip-core: Replace dead code (-ENOMEM error message)
  spi: microchip-core: use min() instead of min_t()
  spi: dt-bindings: airoha: add compatible for EN7523
  spi: airoha-snfi: en7523: workaround flash damaging if UART_TXD was short to GND
  spi: dt-bindings: renesas,rzv2h-rspi: Document RZ/V2N SoC support
  spi: dt-bindings: renesas,rzv2h-rspi: Document RZ/V2N SoC support
  spi: microchip: Enable compile-testing for FPGA SPI controllers
  spi: Fix potential uninitialized variable in probe()
  spi: rzv2h-rspi: add support for RZ/T2H and RZ/N2H
  spi: dt-bindings: renesas,rzv2h-rspi: document RZ/T2H and RZ/N2H
  spi: rzv2h-rspi: add support for loopback mode
  spi: rzv2h-rspi: add support for variable transfer clock
  spi: rzv2h-rspi: add support for using PCLK for transfer clock
  spi: rzv2h-rspi: make transfer clock rate finding chip-specific
  spi: rzv2h-rspi: avoid recomputing transfer frequency
  ...
2025-12-04 11:24:24 -08:00
Linus Torvalds 0a9431fa74 regulator: Updates for v6.19
This is a relatively busy release for the regulator API, as well as a
 good collection of new drivers we've got a little bit of core work and a
 bunch of cleanup throughout the subsystem:
 
  - Support for propagating undervoltage events to child regulators.
  - Undo enables done on supplies when setting enabling regulators via
    constraints fails.
  - Pull in some gpiolib changes adding support for shared GPIOs to
    the gpiolib core, using them to replace the open coded variant of this
    that we've had in the regulator API for a long time.
  - Support for Fitipower FP9931 and JD9330, Mediatek MT6316, MT6363 and
    MT6373, NXP PF1550 and Qualcomm PMH01XX and PMCX0102
 
 The PF1550 support was originally going to go via the MFD tree but
 Krzysztof's cleanup work overlapped with it so I pulled in Lee's signed
 tag with support for the device.
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Merge tag 'regulator-v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "This is a relatively busy release for the regulator API, as well as a
  good collection of new drivers we've got a little bit of core work and
  a bunch of cleanup throughout the subsystem:

   - Support for propagating undervoltage events to child regulators

   - Undo enables done on supplies when setting enabling regulators via
     constraints fails

   - Pull in some gpiolib changes adding support for shared GPIOs to the
     gpiolib core, using them to replace the open coded variant of this
     that we've had in the regulator API for a long time

   - Support for Fitipower FP9931 and JD9330, Mediatek MT6316, MT6363
     and MT6373, NXP PF1550 and Qualcomm PMH01XX and PMCX0102

  The PF1550 support was originally going to go via the MFD tree but
  Krzysztof's cleanup work overlapped with it so I pulled in Lee's
  signed tag with support for the device"

* tag 'regulator-v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (50 commits)
  regulator: fp9931: Fix spelling mistake "failid" -> "failed"
  regulator: core: Protect regulator_supply_alias_list with regulator_list_mutex
  regulator: pf9453: Constify pointers to 'regulator_desc' wrap struct
  regulator: pca9450: Constify pointers to 'regulator_desc' wrap struct
  regulator: mt6358: Constify pointers to 'regulator_desc' wrap struct
  regulator: bd96801: Constify pointers to 'regulator_desc' wrap struct
  regulator: bd718x7: Constify pointers to 'regulator_desc' wrap struct
  regulator: bd71828: Constify pointers to 'regulator_desc' wrap struct
  regulator: bd71815: Constify pointers to 'regulator_desc' wrap struct
  regulator: Use container_of_const() when all types are const
  regulator: pca9450: Fix error code in probe()
  regulator: qcomm-labibb: replace use of system_wq with system_dfl_wq
  regulator: Add FP9931/JD9930 driver
  dt-bindings: regulator: Add Fitipower FP9931/JD9930
  dt-bindings: vendor-prefixes: Add Fitipower
  regulator: make the subsystem aware of shared GPIOs
  regulator: renesas-usb-vbus-regulator: Remove unused headers
  regulator: pca9450: Add support for setting debounce settings
  regulator: dt-bindings: pca9540: add debounce timer configuration
  regulator: core: disable supply if enabling main regulator fails
  ...
2025-12-04 11:20:29 -08:00
Linus Torvalds 77956cf364 pwm: Changes for v6.19-rc1
Additional to the usual mix of core cleanups, driver changes, minor
 fixes and device tree updates the highlight this cycle is Rust support
 for the core and a first Rust driver both provided by Michal Wilczynski.
 Michal wrote about these changes on
 https://mwilczynski.dev/posts/bringing-rust-to-the-pwm-subsystem/ which
 is a nice read.
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Merge tag 'pwm/for-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux

Pull pwm updates from Uwe Kleine-König:
 "In addition to the usual mix of core cleanups, driver changes, minor
  fixes and device tree updates the highlight this cycle is Rust support
  for the core and a first Rust driver both provided by Michal
  Wilczynski.

  Michal wrote about these changes on

    https://mwilczynski.dev/posts/bringing-rust-to-the-pwm-subsystem/

  which is a nice read"

* tag 'pwm/for-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux: (22 commits)
  pwm: rzg2l-gpt: Allow checking period_tick cache value only if sibling channel is enabled
  pwm: bcm2835: Make sure the channel is enabled after pwm_request()
  pwm: mediatek: Make use of struct_size macro
  pwm: mediatek: Remove unneeded semicolon
  pwm: airoha: Add support for EN7581 SoC
  pwm: mediatek: Convert to waveform API
  pwm: max7360: Clean MAX7360 code
  pwm: Drop unused function pwm_apply_args()
  pwm: Use %u to printf unsigned int pwm_chip::npwm and pwm_chip::id
  pwm: Simplify printf to emit chip->npwm in $debugfs/pwm
  pwm: th1520: Use module_pwm_platform_driver! macro
  pwm: th1520: Fix clippy warning for redundant struct field init
  pwm: Fix Rust formatting
  dt-bindings: pwm: thead: Add T-HEAD TH1520 PWM controller
  pwm: Add Rust driver for T-HEAD TH1520 SoC
  rust: pwm: Fix broken intra-doc link
  rust: pwm: Drop wrapping of PWM polarity and state
  rust: pwm: Add module_pwm_platform_driver! macro
  rust: pwm: Add complete abstraction layer
  rust: pwm: Add Kconfig and basic data structures
  ...
2025-12-04 11:04:38 -08:00
Linus Torvalds 2aa680df68 sound updates for 6.19-rc1
The majority of changes at this time were about ASoC with a lot of
 code refactoring works.  From the functionality POV, there aren't much
 to see, but we have a wide range of device-specific fixes and updates.
 Here are some highlights:
 
 - Continued ASoC API clean works, spanned over many files
 - Added a SoundWire SCDA generic class driver with regmap support
 - Enhancements and fixes for Cirrus, Intel, Maxim and Qualcomm.
 - Support for ASoC Allwinner A523, Mediatek MT8189, Qualcomm QCM2290,
   QRB2210 and SM6115, SpacemiT K1, and TI TAS2568, TAS5802, TAS5806,
   TAS5815, TAS5828 and TAS5830
 - Usual HD-audio and USB-audio quirks and fixups
 - Support for Onkyo SE-300PCIE, TASCAM IF-FW/DM MkII
 
 Some gpiolib changes for shared GPIOs are included along with this PR
 for covering ASoC drivers changes.
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Merge tag 'sound-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "The majority of changes at this time were about ASoC with a lot of
  code refactoring works. From the functionality POV, there isn't much
  to see, but we have a wide range of device-specific fixes and updates.
  Here are some highlights:

   - Continued ASoC API cleanup work, spanned over many files

   - Added a SoundWire SCDA generic class driver with regmap support

   - Enhancements and fixes for Cirrus, Intel, Maxim and Qualcomm.

   - Support for ASoC Allwinner A523, Mediatek MT8189, Qualcomm QCM2290,
     QRB2210 and SM6115, SpacemiT K1, and TI TAS2568, TAS5802, TAS5806,
     TAS5815, TAS5828 and TAS5830

   - Usual HD-audio and USB-audio quirks and fixups

   - Support for Onkyo SE-300PCIE, TASCAM IF-FW/DM MkII

  Some gpiolib changes for shared GPIOs are included along with this PR
  for covering ASoC drivers changes"

* tag 'sound-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (739 commits)
  ALSA: hda/realtek: Add PCI SSIDs to HP ProBook quirks
  ALSA: usb-audio: Simplify with usb_endpoint_max_periodic_payload()
  ALSA: hda/realtek: fix mute/micmute LEDs don't work for more HP laptops
  ALSA: rawmidi: Fix inconsistent indenting warning reported by smatch
  ALSA: dice: fix buffer overflow in detect_stream_formats()
  ASoC: codecs: Modify awinic amplifier dsp read and write functions
  ASoC: SDCA: Fixup some more Kconfig issues
  ASoC: cs35l56: Log a message if firmware is missing
  ASoC: nau8325: Delete a stray tab
  firmware: cs_dsp: Add test cases for client_ops == NULL
  firmware: cs_dsp: Don't require client to provide a struct cs_dsp_client_ops
  ASoC: fsl_micfil: Set channel range control
  ASoC: fsl_micfil: Add default quality for different platforms
  ASoC: intel: sof_sdw: Add codec_info for cs42l45
  ASoC: sdw_utils: Add cs42l45 support functions
  ASoC: intel: sof_sdw: Add ability to have auxiliary devices
  ASoC: sdw_utils: Move codec_name to dai info
  ASoC: sdw_utils: Add codec_conf for every DAI
  ASoC: SDCA: Add terminal type into input/output widget name
  ASoC: SDCA: Align mute controls to ALSA expectations
  ...
2025-12-04 10:08:40 -08:00
Linus Torvalds 6dfafbd029 drm-next for 6.19-rc1:
new driver:
 - Arm Ethos-U65/U85 accel driver
 
 core:
 - support the drm color pipeline in vkms/amdgfx
 - add support for drm colorop pipeline
 - add COLOR PIPELINE plane property
 - add DRM_CLIENT_CAP_PLANE_COLOR_PIPELINE
 - throttle dirty worker with vblank
 - use drm_for_each_bridge_in_chain_scoped in drm's bridge code
 - Ensure drm_client_modeset tests are enabled in UML
 - add simulated vblank interrupt - use in drivers
 - dumb buffer sizing helper
 - move freeing of drm client memory to driver
 - crtc sharpness strength property
 - stop using system_wq in scheduler/drivers
 - support emergency restore in drm-client
 
 rust:
 - make slice::as_flattened usable on all supported rustc
 - add FromBytes::from_bytes_prefix() method
 - remove redundant device ptr from Rust GEM object
 - Change how AlwaysRefCounted is implemented for GEM objects
 
 gpuvm:
 - Add deferred vm_bo cleanup to GPUVM (for rust)
 
 atomic:
 - cleanup and improve state handling interfaces
 
 buddy:
 - optimize block management
 
 dma-buf:
 - heaps: Create heap per CMA reserved location
 - improve userspace documentation
 
 dp:
 - add POST_LT_ADJ_REQ training sequence
 - DPCD dSC quirk for synaptics panamera devices
 - helpers to query branch DSC max throughput
 
 ttm:
 - Rename ttm_bo_put to ttm_bo_fini
 - allow page protection flags on risc-v
 - rework pipelined eviction fence handling
 
 amdgpu:
 - enable amdgpu by default for SI/CI dGPUs
 - enable DC by default on SI
 - refactor CIK/SI enablement
 - add ABM KMS property
 - Re-enable DM idle optimizations
 - DC Analog encoders support
 - Powerplay fixes for fiji/iceland
 - Enable DC on bonaire by default
 - HMM cleanup
 - Add new RAS framework
 - DML2.1 updates
 - YCbCr420 fixes
 - DC FP fixes
 - DMUB fixes
 - LTTPR fixes
 - DTBCLK fixes
 - DMU cursor offload handling
 - Userq validation improvements
 - Unify shutdown callback handling
 - Suspend improvements
 - Power limit code cleanup
 - SR-IOV fixes
 - AUX backlight fixes
 - DCN 3.5 fixes
 - HDMI compliance fixes
 - DCN 4.0.1 cursor updates
 - DCN interrupt fix
 - DC KMS full update improvements
 - Add additional HDCP traces
 - DCN 3.2 fixes
 - DP MST fixes
 - Add support for new SR-IOV mailbox interface
 - UQ reset support
 - HDP flush rework
 - VCE1 support
 
 amdkfd:
 - HMM cleanups
 - Relax checks on save area overallocations
 - Fix GPU mappings after prefetch
 
 radeon:
 - refactor CIK/SI enablement.
 
 xe:
 - Initial Xe3P support
 - panic support on VRAM for display
 - fix stolen size check
 - Loosen used tracking restriction
 - New SR-IOV debugfs structure and debugfs updates
 - Hide the GPU madvise flag behind a VM_BIND flag
 - Always expose VRAM provisioning data on discrete GPUs
 - Allow VRAM mappings for userptr when used with SVM
 - Allow pinning of p2p dma-buf
 - Use per-tile debugfs where appropriate
 - Add documentation for Execution Queues
 - PF improvements
 - VF migration recovery redesign work
 - User / Kernel VRAM partitioning
 - Update Tile-based messages
 - Allow configfs to disable specific GT types
 - VF provisioning and migration improvements
 - use SVM range helpers in PT layer
 - Initial CRI support
 - access VF registers using dedicated MMIO view
 - limit number of jobs per exec queue
 - add sriov_admin sysfs tree
 - more crescent island specific support
 - debugfs residency counter
 - SRIOV migration work
 - runtime registers for GFX 35
 
 i915:
 - add initial Xe3p_LPD display version 35 support
 - Enable LNL+ content adaptive sharpness filter
 - Use optimized VRR guardband
 - Enable Xe3p LT PHY
 - enable FBC support for Xe3p_LPD display
 - add display 30.02 firmware support
 - refactor SKL+ watermark latency setup
 - refactor fbdev handling
 - call i915/xe runtime PM via function pointers
 - refactor i915/xe stolen memory/display interfaces
 - use display version instead of gfx version in display code
 - extend i915_display_info with Type-C port details
 - lots of display cleanups/refactorings
 - set O_LARGEFILE in __create_shmem
 - skuip guc communication warning on reset
 - fix time conversions
 - defeature DRRS on LNL+
 - refactor intel_frontbuffer split between i915/xe/display
 - convert inteL_rom interfaces to struct drm_device
 - unify display register polling interfaces
 - aovid lock inversion when pinning to GGTT on CHV/BXT+VTD
 
 panel:
 - Add KD116N3730A08/A12, chromebook mt8189
 - JT101TM023, LQ079L1SX01,
 - GLD070WX3-SL01 MIPI DSI
 - Samsung LTL106AL0, Samsung LTL106AL01
 - Raystar RFF500F-AWH-DNN
 - Winstar WF70A8SYJHLNGA,
 - Wanchanglong w552946aaa
 - Samsung SOFEF00
 - Lenovo X13s panel.
 - ilitek-ili9881c : add rpi 5" support
 - visionx-rm69299 - add backlight support
 - edp - support AUI B116XAN02.0
 
 bridge:
 - improve ref counting
 - ti-sn65dsi86 - add support for DP mode with HPD
 - synopsis: support CEC, init timer with correct freq
 - ASL CS5263 DP-to-HDMI bridge support
 
 nova-core:
 - introduce bitfield! macro
 - introduce safe integer converters
 - GSP inits to fully booted state on Ampere
 - Use more future-proof register for GPU identification
 
 nova-drm:
 - select NOVA_CORE
 - 64-bit only
 
 nouveau:
 - improve reclocking on tegra 186+
 - add large page and compression support
 
 msm:
 - GPU:
   - Gen8 support: A840 (Kaanapali) and X2-85 (Glymur)
   - A612 support
 - MDSS:
   - Added support for Glymur and QCS8300 platforms
 - DPU:
   - Enabled Quad-Pipe support, unlocking higher resolutions support
   - Added support for Glymur platform
   - Documented DPU on QCS8300 platform as supported
 - DisplayPort:
   - Added support for Glymur platform
   - Added support lame remapping inside DP block
   - Documented DisplayPort controller on QCS8300 and SM6150/QCS615 as
     supported
 
 tegra:
 - NVJPG driver
 
 panfrost:
 - display JM contexts over debugfs
 - export JM contexts to userspace
 - improve error and job handling
 
 panthor:
 - support custom ASN_HASH for mt8196
 - support mali-G1 GPU
 - flush shmem write before mapping buffers uncached
 - make timeout per-queue instead of per-job
 
 mediatek:
 - MT8195/88 HDMIv2/DDCv2 support
 
 rockchip:
 - dsi: add support for RK3368
 
 amdxdna:
 - enhance runtime PM
 - last hardware error reading uapi
 - support firmware debug output
 - add resource and telemetry data uapi
 - preemption support
 
 imx:
 - add driver for HDMI TX Parallel audio interface
 
 ivpu:
 - add support for user-managed preemption buffer
 - add userptr support
 - update JSM firware API to 3.33.0
 - add better alloc/free warnings
 - fix page fault in unbind all bos
 - rework bind/unbind of imported buffers
 - enable MCA ECC signalling
 - split fw runtime and global memory buffers
 - add fdinfo memory statistics
 
 tidss:
 - convert to drm logging
 - logging cleanup
 
 ast:
 - refactor generation init paths
 - add per chip generation detect_tx_chip
 - set quirks for each chip model
 
 atmel-hlcdc:
 - set LCDC_ATTRE register in plane disable
 - set correct values for plane scaler
 
 solomon:
 - use drm helper for get_modes and move_valid
 
 sitronix:
 - fix output position when clearing screens
 
 qaic:
 - support dma-buf exports
 - support new firmware's READ_DATA implementation
 - sahara AIC200 image table update
 - add sysfs support
 - add coredump support
 - add uevents support
 - PM support
 
 sun4i:
 - layer refactors to decouple plane from output
 - improve DE33 support
 
 vc4:
 - switch to generic CEC helpers
 
 komeda:
 - use drm_ logging functions
 
 vkms:
 - configfs support for display configuration
 
 vgem:
 - fix fence timer deadlock
 
 etnaviv:
 - add HWDB entry for GC8000 Nano Ultra VIP r6205
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Merge tag 'drm-next-2025-12-03' of https://gitlab.freedesktop.org/drm/kernel

Pull drm updates from Dave Airlie:
 "There was a rather late merge of a new color pipeline feature, that
  some userspace projects are blocked on, and has seen a lot of work in
  amdgpu. This should have seen some time in -next. There is additional
  support for this for Intel, that if it arrives in the next day or two
  I'll pass it on in another pull request and you can decide if you want
  to take it.

  Highlights:
   - Arm Ethos NPU accelerator driver
   - new DRM color pipeline support
   - amdgpu will now run discrete SI/CIK cards instead of radeon, which
     enables vulkan support in userspace
   - msm gets gen8 gpu support
   - initial Xe3P support in xe

  Full detail summary:

  New driver:
   - Arm Ethos-U65/U85 accel driver

  Core:
   - support the drm color pipeline in vkms/amdgfx
   - add support for drm colorop pipeline
   - add COLOR PIPELINE plane property
   - add DRM_CLIENT_CAP_PLANE_COLOR_PIPELINE
   - throttle dirty worker with vblank
   - use drm_for_each_bridge_in_chain_scoped in drm's bridge code
   - Ensure drm_client_modeset tests are enabled in UML
   - add simulated vblank interrupt - use in drivers
   - dumb buffer sizing helper
   - move freeing of drm client memory to driver
   - crtc sharpness strength property
   - stop using system_wq in scheduler/drivers
   - support emergency restore in drm-client

  Rust:
   - make slice::as_flattened usable on all supported rustc
   - add FromBytes::from_bytes_prefix() method
   - remove redundant device ptr from Rust GEM object
   - Change how AlwaysRefCounted is implemented for GEM objects

  gpuvm:
   - Add deferred vm_bo cleanup to GPUVM (for rust)

  atomic:
   - cleanup and improve state handling interfaces

  buddy:
   - optimize block management

  dma-buf:
   - heaps: Create heap per CMA reserved location
   - improve userspace documentation

  dp:
   - add POST_LT_ADJ_REQ training sequence
   - DPCD dSC quirk for synaptics panamera devices
   - helpers to query branch DSC max throughput

  ttm:
   - Rename ttm_bo_put to ttm_bo_fini
   - allow page protection flags on risc-v
   - rework pipelined eviction fence handling

  amdgpu:
   - enable amdgpu by default for SI/CI dGPUs
   - enable DC by default on SI
   - refactor CIK/SI enablement
   - add ABM KMS property
   - Re-enable DM idle optimizations
   - DC Analog encoders support
   - Powerplay fixes for fiji/iceland
   - Enable DC on bonaire by default
   - HMM cleanup
   - Add new RAS framework
   - DML2.1 updates
   - YCbCr420 fixes
   - DC FP fixes
   - DMUB fixes
   - LTTPR fixes
   - DTBCLK fixes
   - DMU cursor offload handling
   - Userq validation improvements
   - Unify shutdown callback handling
   - Suspend improvements
   - Power limit code cleanup
   - SR-IOV fixes
   - AUX backlight fixes
   - DCN 3.5 fixes
   - HDMI compliance fixes
   - DCN 4.0.1 cursor updates
   - DCN interrupt fix
   - DC KMS full update improvements
   - Add additional HDCP traces
   - DCN 3.2 fixes
   - DP MST fixes
   - Add support for new SR-IOV mailbox interface
   - UQ reset support
   - HDP flush rework
   - VCE1 support

  amdkfd:
   - HMM cleanups
   - Relax checks on save area overallocations
   - Fix GPU mappings after prefetch

  radeon:
   - refactor CIK/SI enablement

  xe:
   - Initial Xe3P support
   - panic support on VRAM for display
   - fix stolen size check
   - Loosen used tracking restriction
   - New SR-IOV debugfs structure and debugfs updates
   - Hide the GPU madvise flag behind a VM_BIND flag
   - Always expose VRAM provisioning data on discrete GPUs
   - Allow VRAM mappings for userptr when used with SVM
   - Allow pinning of p2p dma-buf
   - Use per-tile debugfs where appropriate
   - Add documentation for Execution Queues
   - PF improvements
   - VF migration recovery redesign work
   - User / Kernel VRAM partitioning
   - Update Tile-based messages
   - Allow configfs to disable specific GT types
   - VF provisioning and migration improvements
   - use SVM range helpers in PT layer
   - Initial CRI support
   - access VF registers using dedicated MMIO view
   - limit number of jobs per exec queue
   - add sriov_admin sysfs tree
   - more crescent island specific support
   - debugfs residency counter
   - SRIOV migration work
   - runtime registers for GFX 35

  i915:
   - add initial Xe3p_LPD display version 35 support
   - Enable LNL+ content adaptive sharpness filter
   - Use optimized VRR guardband
   - Enable Xe3p LT PHY
   - enable FBC support for Xe3p_LPD display
   - add display 30.02 firmware support
   - refactor SKL+ watermark latency setup
   - refactor fbdev handling
   - call i915/xe runtime PM via function pointers
   - refactor i915/xe stolen memory/display interfaces
   - use display version instead of gfx version in display code
   - extend i915_display_info with Type-C port details
   - lots of display cleanups/refactorings
   - set O_LARGEFILE in __create_shmem
   - skuip guc communication warning on reset
   - fix time conversions
   - defeature DRRS on LNL+
   - refactor intel_frontbuffer split between i915/xe/display
   - convert inteL_rom interfaces to struct drm_device
   - unify display register polling interfaces
   - aovid lock inversion when pinning to GGTT on CHV/BXT+VTD

  panel:
   - Add KD116N3730A08/A12, chromebook mt8189
   - JT101TM023, LQ079L1SX01,
   - GLD070WX3-SL01 MIPI DSI
   - Samsung LTL106AL0, Samsung LTL106AL01
   - Raystar RFF500F-AWH-DNN
   - Winstar WF70A8SYJHLNGA
   - Wanchanglong w552946aaa
   - Samsung SOFEF00
   - Lenovo X13s panel
   - ilitek-ili9881c - add rpi 5" support
   - visionx-rm69299 - add backlight support
   - edp - support AUI B116XAN02.0

  bridge:
   - improve ref counting
   - ti-sn65dsi86 - add support for DP mode with HPD
   - synopsis: support CEC, init timer with correct freq
   - ASL CS5263 DP-to-HDMI bridge support

  nova-core:
   - introduce bitfield! macro
   - introduce safe integer converters
   - GSP inits to fully booted state on Ampere
   - Use more future-proof register for GPU identification

  nova-drm:
   - select NOVA_CORE
   - 64-bit only

  nouveau:
   - improve reclocking on tegra 186+
   - add large page and compression support

  msm:
   - GPU:
      - Gen8 support: A840 (Kaanapali) and X2-85 (Glymur)
      - A612 support
   - MDSS:
      - Added support for Glymur and QCS8300 platforms
   - DPU:
      - Enabled Quad-Pipe support, unlocking higher resolutions support
      - Added support for Glymur platform
      - Documented DPU on QCS8300 platform as supported
   - DisplayPort:
      - Added support for Glymur platform
      - Added support lame remapping inside DP block
      - Documented DisplayPort controller on QCS8300 and SM6150/QCS615
        as supported

  tegra:
   - NVJPG driver

  panfrost:
   - display JM contexts over debugfs
   - export JM contexts to userspace
   - improve error and job handling

  panthor:
   - support custom ASN_HASH for mt8196
   - support mali-G1 GPU
   - flush shmem write before mapping buffers uncached
   - make timeout per-queue instead of per-job

  mediatek:
   - MT8195/88 HDMIv2/DDCv2 support

  rockchip:
   - dsi: add support for RK3368

  amdxdna:
   - enhance runtime PM
   - last hardware error reading uapi
   - support firmware debug output
   - add resource and telemetry data uapi
   - preemption support

  imx:
   - add driver for HDMI TX Parallel audio interface

  ivpu:
   - add support for user-managed preemption buffer
   - add userptr support
   - update JSM firware API to 3.33.0
   - add better alloc/free warnings
   - fix page fault in unbind all bos
   - rework bind/unbind of imported buffers
   - enable MCA ECC signalling
   - split fw runtime and global memory buffers
   - add fdinfo memory statistics

  tidss:
   - convert to drm logging
   - logging cleanup

  ast:
   - refactor generation init paths
   - add per chip generation detect_tx_chip
   - set quirks for each chip model

  atmel-hlcdc:
   - set LCDC_ATTRE register in plane disable
   - set correct values for plane scaler

  solomon:
   - use drm helper for get_modes and move_valid

  sitronix:
   - fix output position when clearing screens

  qaic:
   - support dma-buf exports
   - support new firmware's READ_DATA implementation
   - sahara AIC200 image table update
   - add sysfs support
   - add coredump support
   - add uevents support
   - PM support

  sun4i:
   - layer refactors to decouple plane from output
   - improve DE33 support

  vc4:
   - switch to generic CEC helpers

  komeda:
   - use drm_ logging functions

  vkms:
   - configfs support for display configuration

  vgem:
   - fix fence timer deadlock

  etnaviv:
   - add HWDB entry for GC8000 Nano Ultra VIP r6205"

* tag 'drm-next-2025-12-03' of https://gitlab.freedesktop.org/drm/kernel: (1869 commits)
  Revert "drm/amd: Skip power ungate during suspend for VPE"
  drm/amdgpu: use common defines for HUB faults
  drm/amdgpu/gmc12: add amdgpu_vm_handle_fault() handling
  drm/amdgpu/gmc11: add amdgpu_vm_handle_fault() handling
  drm/amdgpu: use static ids for ACP platform devs
  drm/amdgpu/sdma6: Update SDMA 6.0.3 FW version to include UMQ protected-fence fix
  drm/amdgpu: Forward VMID reservation errors
  drm/amdgpu/gmc8: Delegate VM faults to soft IRQ handler ring
  drm/amdgpu/gmc7: Delegate VM faults to soft IRQ handler ring
  drm/amdgpu/gmc6: Delegate VM faults to soft IRQ handler ring
  drm/amdgpu/gmc6: Cache VM fault info
  drm/amdgpu/gmc6: Don't print MC client as it's unknown
  drm/amdgpu/cz_ih: Enable soft IRQ handler ring
  drm/amdgpu/tonga_ih: Enable soft IRQ handler ring
  drm/amdgpu/iceland_ih: Enable soft IRQ handler ring
  drm/amdgpu/cik_ih: Enable soft IRQ handler ring
  drm/amdgpu/si_ih: Enable soft IRQ handler ring
  drm/amd/display: fix typo in display_mode_core_structs.h
  drm/amd/display: fix Smart Power OLED not working after S4
  drm/amd/display: Move RGB-type check for audio sync to DCE HW sequence
  ...
2025-12-04 08:53:30 -08:00