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80,946 commits

Author SHA1 Message Date
Maxime Ripard
4f5f8baf73 dma-buf: heaps: cma: Create CMA heap for each CMA reserved region
Aside from the main CMA region, it can be useful to allow userspace to
allocate from the other CMA reserved regions.

Indeed, those regions can have specific properties that can be useful to
a specific us-case.

For example, one of them platform I've been with has ECC enabled on the
entire memory but for a specific region. Using that region to allocate
framebuffers can be particular beneficial because enabling the ECC has a
performance and memory footprint cost.

Thus, exposing these regions as heaps user-space can allocate from and
import wherever needed allows to cover that use-case.

For now, only shared-dma-pools regions with the reusable property (ie,
backed by CMA) are supported, but eventually we'll want to support other
DMA pools types.

Since we collected all the CMA regions created during boot, we can
simply iterate over all of them to create the heaps.

This has a weird interaction with the recent work on the CMA name, in
particular the backward compatibility code created by commit
854acbe75f ("dma-buf: heaps: Give default CMA heap a fixed name").

Indeed, the old name was either 'reserved', or the name of the
reserved-memory region device tree node if the linux,cma-default
property was set.

In both these cases, we have now collected this region during boot, and
we're using the same name. So we're now largely redundant with the
code to handle backward compatibility code, and we can thus remove it
and the associated Kconfig option.

Reviewed-by: T.J. Mercier <tjmercier@google.com>
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
   [sumits: rebased the doc to latest]
Link: https://lore.kernel.org/r/20251013-dma-buf-ecc-heap-v8-5-04ce150ea3d9@kernel.org
2025-10-18 21:31:22 +05:30
Maxime Ripard
2034134de6 doc: dma-buf: List the heaps by name
Since we're going to introduce multiple instances of the CMA heap
driver, there's no single CMA heap anymore.

Let's use the heap name instead to differentiate between all the heaps
available in the system.

While we're at it, let's also rework the backward compatibility part to
make it easier to amend later on.

Reviewed-by: T.J. Mercier <tjmercier@google.com>
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
  [sumits: rebased to latest Doc]
Link: https://lore.kernel.org/r/20251013-dma-buf-ecc-heap-v8-1-04ce150ea3d9@kernel.org
2025-10-18 21:31:21 +05:30
WeiHao Li
2b756d321b dt-bindings: display: rockchip,dw-mipi-dsi: Document RK3368 DSI
Document the MIPI DSI controller for Rockchip RK3368.

Signed-off-by: WeiHao Li <cn.liweihao@gmail.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20250905025632.222422-9-cn.liweihao@gmail.com
2025-10-14 14:12:23 +02:00
Thomas Zimmermann
9b966ae422 Merge drm/drm-next into drm-misc-next
Updating drm-misc-next to the state of v6.18-rc1.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
2025-10-13 09:19:19 +02:00
Linus Torvalds
98906f9d85 RTC for 6.18
Subsystem:
  - Fix race when setting alarm
  - Ensure alarm irq is enabled when UIE is enabled
  - remove unneeded 'fast_io' parameter in regmap_config
 
 New driver:
  - SpacemiT P1 RTC
 
 Drivers:
  - efi: Remove wakeup functionality
  - optee: add alarms support
  - s3c: Drop support for S3C2410
  - zynqmp: Restore alarm functionality after kexec transition
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Merge tag 'rtc-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "This cycle, we have a new RTC driver, for the SpacemiT P1. The optee
  driver gets alarm support. We also get a fix for a race condition that
  was fairly rare unless while stress testing the alarms.

  Subsystem:
   - Fix race when setting alarm
   - Ensure alarm irq is enabled when UIE is enabled
   - remove unneeded 'fast_io' parameter in regmap_config

  New driver:
   - SpacemiT P1 RTC

  Drivers:
   - efi: Remove wakeup functionality
   - optee: add alarms support
   - s3c: Drop support for S3C2410
   - zynqmp: Restore alarm functionality after kexec transition"

* tag 'rtc-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (29 commits)
  rtc: interface: Ensure alarm irq is enabled when UIE is enabled
  rtc: tps6586x: Fix initial enable_irq/disable_irq balance
  rtc: cpcap: Fix initial enable_irq/disable_irq balance
  rtc: isl12022: Fix initial enable_irq/disable_irq balance
  rtc: interface: Fix long-standing race when setting alarm
  rtc: pcf2127: fix watchdog interrupt mask on pcf2131
  rtc: zynqmp: Restore alarm functionality after kexec transition
  rtc: amlogic-a4: Optimize global variables
  rtc: sd2405al: Add I2C address.
  rtc: Kconfig: move symbols to proper section
  rtc: optee: make optee_rtc_pm_ops static
  rtc: optee: Fix error code in optee_rtc_read_alarm()
  rtc: optee: fix error code in probe()
  dt-bindings: rtc: Convert apm,xgene-rtc to DT schema
  rtc: spacemit: support the SpacemiT P1 RTC
  rtc: optee: add alarm related rtc ops to optee rtc driver
  rtc: optee: remove unnecessary memory operations
  rtc: optee: fix memory leak on driver removal
  rtc: x1205: Fix Xicor X1205 vendor prefix
  dt-bindings: rtc: Fix Xicor X1205 vendor prefix
  ...
2025-10-11 11:56:47 -07:00
Linus Torvalds
9591fdb061 - Remove a bunch of asm implementing condition flags testing in KVM's
emulator in favor of int3_emulate_jcc() which is written in C
 
 - Replace KVM fastops with C-based stubs which avoids problems with the
   fastop infra related to latter not adhering to the C ABI due to their
   special calling convention and, more importantly, bypassing compiler
   control-flow integrity checking because they're written in asm
 
 - Remove wrongly used static branches and other ugliness accumulated
   over time in hyperv's hypercall implementation with a proper static
   function call to the correct hypervisor call variant
 
 - Add some fixes and modifications to allow running FRED-enabled kernels
   in KVM even on non-FRED hardware
 
 - Add kCFI improvements like validating indirect calls and prepare for
   enabling kCFI with GCC. Add cmdline params documentation and other
   code cleanups
 
 - Use the single-byte 0xd6 insn as the official #UD single-byte
   undefined opcode instruction as agreed upon by both x86 vendors
 
 - Other smaller cleanups and touchups all over the place
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Merge tag 'x86_core_for_v6.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull more x86 updates from Borislav Petkov:

 - Remove a bunch of asm implementing condition flags testing in KVM's
   emulator in favor of int3_emulate_jcc() which is written in C

 - Replace KVM fastops with C-based stubs which avoids problems with the
   fastop infra related to latter not adhering to the C ABI due to their
   special calling convention and, more importantly, bypassing compiler
   control-flow integrity checking because they're written in asm

 - Remove wrongly used static branches and other ugliness accumulated
   over time in hyperv's hypercall implementation with a proper static
   function call to the correct hypervisor call variant

 - Add some fixes and modifications to allow running FRED-enabled
   kernels in KVM even on non-FRED hardware

 - Add kCFI improvements like validating indirect calls and prepare for
   enabling kCFI with GCC. Add cmdline params documentation and other
   code cleanups

 - Use the single-byte 0xd6 insn as the official #UD single-byte
   undefined opcode instruction as agreed upon by both x86 vendors

 - Other smaller cleanups and touchups all over the place

* tag 'x86_core_for_v6.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
  x86,retpoline: Optimize patch_retpoline()
  x86,ibt: Use UDB instead of 0xEA
  x86/cfi: Remove __noinitretpoline and __noretpoline
  x86/cfi: Add "debug" option to "cfi=" bootparam
  x86/cfi: Standardize on common "CFI:" prefix for CFI reports
  x86/cfi: Document the "cfi=" bootparam options
  x86/traps: Clarify KCFI instruction layout
  compiler_types.h: Move __nocfi out of compiler-specific header
  objtool: Validate kCFI calls
  x86/fred: KVM: VMX: Always use FRED for IRQs when CONFIG_X86_FRED=y
  x86/fred: Play nice with invoking asm_fred_entry_from_kvm() on non-FRED hardware
  x86/fred: Install system vector handlers even if FRED isn't fully enabled
  x86/hyperv: Use direct call to hypercall-page
  x86/hyperv: Clean up hv_do_hypercall()
  KVM: x86: Remove fastops
  KVM: x86: Convert em_salc() to C
  KVM: x86: Introduce EM_ASM_3WCL
  KVM: x86: Introduce EM_ASM_1SRC2
  KVM: x86: Introduce EM_ASM_2CL
  KVM: x86: Introduce EM_ASM_2W
  ...
2025-10-11 11:19:16 -07:00
Linus Torvalds
f76b1683d1 Devicetree fixes for v6.18:
- Allow child nodes on renesas-bsc bus binding
 
 - Drop node name pattern on allwinner,sun50i-a64-de2 bus binding
 
 - Switch DT patchwork to kernel.org from ozlabs.org
 
 - Fix some typos in docs and bindings
 
 - Fix reference count in PCI node unittest
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Merge tag 'devicetree-fixes-for-6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree fixes from Rob Herring:

 - Allow child nodes on renesas-bsc bus binding

 - Drop node name pattern on allwinner,sun50i-a64-de2 bus binding

 - Switch DT patchwork to kernel.org from ozlabs.org

 - Fix some typos in docs and bindings

 - Fix reference count in PCI node unittest

* tag 'devicetree-fixes-for-6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: bus: renesas-bsc: allow additional properties
  dt-bindings: bus: allwinner,sun50i-a64-de2: don't check node names
  MAINTAINERS: Move DT patchwork to kernel.org
  of: unittest: Fix device reference count leak in of_unittest_pci_node_verify
  of: doc: Fix typo in doc comments.
  dt-bindings: mmc: Correct typo "upto" to "up to"
2025-10-10 13:05:40 -07:00
Wolfram Sang
ce740955b2 dt-bindings: bus: renesas-bsc: allow additional properties
Allow additional properties to enable devices attached to the bus.
Fixes warnings like these:

arch/arm/boot/dts/renesas/sh73a0-kzm9g.dtb: bus@fec10000 (renesas,bsc-sh73a0): Unevaluated properties are not allowed ('ethernet@10000000' was unexpected)
arch/arm/boot/dts/renesas/r8a73a4-ape6evm.dtb: bus@fec10000 (renesas,bsc-r8a73a4): Unevaluated properties are not allowed ('ethernet@8000000', 'flash@0' were unexpected)

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-10-10 13:51:15 -05:00
Wolfram Sang
f7045387a6 dt-bindings: bus: allwinner,sun50i-a64-de2: don't check node names
Node names are already and properly checked by the core schema. No need
to do it again.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
[robh: Also drop [A-F] in unit address]
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-10-10 13:50:30 -05:00
Linus Torvalds
fdfa38e95e sound fixes for 6.18-rc1
A few more small fixes for 6.18-rc1.
 Most of changes are about ASoC Intel and SOF drivers, while a few
 other device-specific fixes are found for HD-audio, USB-audio, ASoC
 RT722VB and Meson.
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Merge tag 'sound-fix-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "A few more small fixes for 6.18-rc1.

  Most of changes are about ASoC Intel and SOF drivers, while a few
  other device-specific fixes are found for HD-audio, USB-audio, ASoC
  RT722VB and Meson"

* tag 'sound-fix-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ASoC: rt722: add settings for rt722VB
  ASoC: meson: aiu-encoder-i2s: fix bit clock polarity
  ALSA: usb: fpc: replace kmalloc_array followed by copy_from_user with memdup_array_user
  ALSA: hda/tas2781: Enable init_profile_id for device initialization
  ALSA: emu10k1: Fix typo in docs
  ALSA: hda/realtek: Add quirk for ASUS ROG Zephyrus Duo
  ASoC: SOF: Intel: Read the LLP via the associated Link DMA channel
  ASoC: SOF: ipc4-pcm: do not report invalid delay values
  ASoC: SOF: sof-audio: add dev_dbg_ratelimited wrapper
  ASoC: SOF: Intel: hda-pcm: Place the constraint on period time instead of buffer time
  ASoC: SOF: ipc4-topology: Account for different ChainDMA host buffer size
  ASoC: SOF: ipc4-topology: Correct the minimum host DMA buffer size
  ASoC: SOF: ipc4-pcm: fix start offset calculation for chain DMA
  ASoC: SOF: ipc4-pcm: fix delay calculation when DSP resamples
  ASoC: SOF: ipc3-topology: Fix multi-core and static pipelines tear down
  ALSA: hda/hdmi: Add pin fix for HP ProDesk model
2025-10-10 09:55:19 -07:00
Linus Torvalds
06a88f4799 fbdev fixes & enhancements for 6.18-rc1:
Bug fixes:
 - Add bounds checking in bit_putcs to fix vmalloc-out-of-bounds (Albin Babu Varghese)
 - Fix logic error in "offb" name match (Finn Thain)
 - simplefb: Fix use after free in simplefb_detach_genpds() (Janne Grunau)
 - s3fb: Various fixes and powersave improvements (Zsolt Kajtar)
 
 Enhancements & code cleanups:
 - Various fixes in the documentation (Bagas Sanjaya)
 - Use string choices helpers (Chelsy Ratnawat)
 - xenfb: Use vmalloc_array to simplify code (Qianfeng Rong)
 - mb862xxfb: Use int type to store negative error codes (Qianfeng Rong)
 - Make drivers depend on LCD_CLASS_DEVICE (Thomas Zimmermann)
 - radeonfb: Remove stale product link in Kconfig (Sukrut Heroorkar)
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Merge tag 'fbdev-for-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev

Pull fbdev updates from Helge Deller:
 "Beside the usual bunch of smaller bug fixes, the majority of changes
  were by Zsolt Kajtar to improve the s3fb driver.

  Bug fixes:
   - Bounds checking to fix vmalloc-out-of-bounds (Albin Babu Varghese)
   - Fix logic error in "offb" name match (Finn Thain)
   - simplefb: Fix use after free in (Janne Grunau)
   - s3fb: Various fixes and powersave improvements (Zsolt Kajtar)

  Enhancements & code cleanups:
   - Various fixes in the documentation (Bagas Sanjaya)
   - Use string choices helpers (Chelsy Ratnawat)
   - xenfb: Use vmalloc_array to simplify code (Qianfeng Rong)
   - mb862xxfb: use signed type for error codes (Qianfeng Rong)
   - Make drivers depend on LCD_CLASS_DEVICE (Thomas Zimmermann)
   - radeonfb: Remove stale product link in Kconfig (Sukrut Heroorkar)"

* tag 'fbdev-for-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev:
  fbdev: Fix logic error in "offb" name match
  fbdev: Add bounds checking in bit_putcs to fix vmalloc-out-of-bounds
  fbdev: Make drivers depend on LCD_CLASS_DEVICE
  fbdev: radeonfb: Remove stale product link in Kconfig
  Documentation: fb: Retitle driver docs
  Documentation: fb: ep93xx: Demote section headings
  Documentation: fb: Split toctree
  fbdev: simplefb: Fix use after free in simplefb_detach_genpds()
  fbdev: s3fb: Revert mclk stop in suspend
  fbdev: mb862xxfb: Use int type to store negative error codes
  fbdev: Use string choices helpers
  fbdev: core: Fix ubsan warning in pixel_to_pat
  fbdev: s3fb: Implement 1 and 2 BPP modes, improve 4 BPP
  fbdev: s3fb: Implement powersave for S3 FB
  fbdev: xenfb: Use vmalloc_array to simplify code
2025-10-10 09:36:23 -07:00
Linus Torvalds
aac3190332 i2c-for-6.18-rc1-part2
- Second part of rtl9300 updates since dependencies are in now
   - general cleanups, implemented block read/write support, added RTL9310 support
 - DT schema conversion of hix5hd2 binding
 - namespace cleanup for i2c-algo-pca
 - minor simplification for mt65xx
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Merge tag 'i2c-for-6.18-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull more i2c updates from Wolfram Sang:

 - Second part of rtl9300 updates since dependencies are in now:
    - general cleanups
    - implement block read/write support
    - add RTL9310 support

 - DT schema conversion of hix5hd2 binding

 - namespace cleanup for i2c-algo-pca

 - minor simplification for mt65xx

* tag 'i2c-for-6.18-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  dt-bindings: i2c: hisilicon,hix5hd2: convert to DT schema
  i2c: mt65xx: convert set_speed function to void
  i2c: rename wait_for_completion callback to wait_for_completion_cb
  i2c: rtl9300: add support for RTL9310 I2C controller
  dt-bindings: i2c: realtek,rtl9301-i2c: extend for RTL9310 support
  i2c: rtl9300: use scoped guard instead of explicit lock/unlock
  i2c: rtl9300: separate xfer configuration and execution
  i2c: rtl9300: do not set read mode on every transfer
  i2c: rtl9300: move setting SCL frequency to config_io
  i2c: rtl9300: rename internal sda_pin to sda_num
  dt-bindings: i2c: realtek,rtl9301-i2c: fix wording and typos
  i2c: rtl9300: use regmap fields and API for registers
  i2c: rtl9300: Implement I2C block read and write
2025-10-10 09:13:11 -07:00
Rain Yang
02df3543f3 dt-bindings: gpu: mali-valhall: make mali-supply optional
Not all platforms require the mali-supply regulator. This change removes
it from the required list in the binding schema, and make mali-supply
required for rk3588 only.

Signed-off-by: Rain Yang <jiyu.yang@nxp.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: Steven Price <steven.price@arm.com>
Link: https://lore.kernel.org/r/20250928090334.35389-1-jiyu.yang@oss.nxp.com
2025-10-09 13:57:04 +01:00
Kael D'Alcamo
eb4faf6343 dt-bindings: i2c: hisilicon,hix5hd2: convert to DT schema
Convert the Devicetree binding documentation for hisilicon,hix5hd2-i2c
from plain text to DT binding schema.

Signed-off-by: Kael D'Alcamo <dev@kael-k.io>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
2025-10-09 13:20:57 +02:00
Linus Torvalds
cd5a0afbdf qcom: add Glymur CPUCP mailbox binding
zynqmp-ipi: misc cleanup
 mtk: add new GPUEB mailbox driver
      cmdq - remove pm_runtime calls from send_data
      gce - make clock-names optional
 misc: change mailbox-altera maintainer
       remove redundant 'fast_io' in regmap_config
       mhuv3 - Remove no_free_ptr
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Merge tag 'mailbox-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox

Pull mailbox updates from Jassi Brar:

 - Qualcomm: add Glymur CPUCP mailbox binding

 - Xilinx Zynq: misc cleanup

 - MediaTek:
     - add new GPUEB mailbox driver
     - cmdq: remove pm_runtime calls from send_data
     - gce: make clock-names optional

 - misc:
     - change mailbox-altera maintainer
     - remove redundant 'fast_io' in regmap_config
     - mhuv3: Remove no_free_ptr

* tag 'mailbox-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox:
  mailbox: mtk-cmdq: Remove pm_runtime APIs from cmdq_mbox_send_data()
  mailbox: add MediaTek GPUEB IPI mailbox
  dt-bindings: mailbox: Add MT8196 GPUEB Mailbox
  mailbox: zynqmp-ipi: Fix SGI cleanup on unbind
  mailbox: zynqmp-ipi: Fix out-of-bounds access in mailbox cleanup loop
  mailbox: zynqmp-ipi: Remove dev.parent check in zynqmp_ipi_free_mboxes
  mailbox: zynqmp-ipi: Remove redundant mbox_controller_unregister() call
  mailbox: remove unneeded 'fast_io' parameter in regmap_config
  dt-bindings: mailbox: mediatek,gce-mailbox: Make clock-names optional
  dt-bindings: mailbox: qcom: Document Glymur CPUCP mailbox controller binding
  MAINTAINERS: Change mailbox-altera maintainer
  mailbox: arm_mhuv3: Remove no_free_ptr() to maintain the original form of the pointer
2025-10-08 11:44:21 -07:00
Linus Torvalds
ed4d6e9246 VFIO updates for v6.18-rc1 part 2
- Optimizations for DMA map and unmap opertions through the type1
    vfio IOMMU backend.  This uses various means of batching and hints
    from the mm structures to improve efficiency and therefore
    performance, resulting in a significant speedup for huge page
    use cases. (Li Zhe)
 
  - Expose supported device migration features through debugfs.
    (Cédric Le Goater)
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Merge tag 'vfio-v6.18-rc1-pt2' of https://github.com/awilliam/linux-vfio

Pull more VFIO updates from Alex Williamson:

 - Optimizations for DMA map and unmap opertions through the type1 vfio
   IOMMU backend.

   This uses various means of batching and hints from the mm structures
   to improve efficiency and therefore performance, resulting in a
   significant speedup for huge page use cases (Li Zhe)

 - Expose supported device migration features through debugfs (Cédric Le
   Goater)

* tag 'vfio-v6.18-rc1-pt2' of https://github.com/awilliam/linux-vfio:
  vfio: Dump migration features under debugfs
  vfio/type1: optimize vfio_unpin_pages_remote()
  vfio/type1: introduce a new member has_rsvd for struct vfio_dma
  vfio/type1: batch vfio_find_vpfn() in function vfio_unpin_pages_remote()
  vfio/type1: optimize vfio_pin_pages_remote()
  mm: introduce num_pages_contiguous()
2025-10-08 11:22:27 -07:00
Linus Torvalds
99cedb6b8f Input updates for v6.18-rc0
- a number of conversions to yaml/json schema and fixes for
   input-related device tree bindings
 
 - a new driver for Awinic AW86927 haptic chip
 
 - a new driver for Hynitron CST816x series controller
 
 - a new driver for add Himax HX852x(ES) touchscreen controller
 
 - a fix to uinput to not leak kernel memory via a gap in
   uinput_ff_upload_compat structure
 
 - a fix to prevent overflow in pressure calculation in tsc2007 driver
   causing phantom touches
 
 - a change to Atmel maxTouch driver to support generic touchscreen
   configuration (flip, rotate, etc.)
 
 - support for platform data was dropped in tca8418_keypad,
   pxa27x-keypad, spear-keyboard and twl4030_keypad drivers, they all
   now rely on generic device properties for configuration
 
 - other assorted changes and fixes.
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Merge tag 'input-for-v6.18-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

Pull input updates from Dmitry Torokhov:

 - Conversions to yaml/json schema and fixes for input-related device
   tree bindings

 - New drivers:
     - Awinic AW86927 haptic chip
     - Hynitron CST816x series controller
     - Himax HX852x(ES) touchscreen controller

 - Fix uinput to not leak kernel memory via a gap in
   uinput_ff_upload_compat structure

 - Prevent overflow in pressure calculation in tsc2007 driver causing
   phantom touches

 - Make the Atmel maxTouch driver support generic touchscreen
   configuration (flip, rotate, etc)

 - Drop support for platform data in tca8418_keypad, pxa27x-keypad,
   spear-keyboard and twl4030_keypad drivers, they all now rely on
   generic device properties for configuration

 - Other assorted changes and fixes

* tag 'input-for-v6.18-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (50 commits)
  Input: atmel_mxt_ts - allow reset GPIO to sleep
  Input: aw86927 - fix error code in probe()
  Input: psxpad-spi - add a check for the return value of spi_setup()
  Input: uinput - zero-initialize uinput_ff_upload_compat to avoid info leak
  Input: aw86927 - add driver for Awinic AW86927
  dt-bindings: input: Add Awinic AW86927
  dt-bindings: touchscreen: remove touchscreen.txt
  dt-bindings: arm: bcm: raspberrypi,bcm2835-firmware: Add touchscreen child node
  dt-bindings: touchscreen: convert eeti bindings to json schema
  Input: pm8941-pwrkey - disable wakeup for resin by default
  dt-bindings: input: pm8941-pwrkey: Document wakeup-source property
  Input: add driver for Hynitron CST816x series
  dt-bindings: input: touchscreen: add hynitron cst816x series
  Input: imx6ul_tsc - set glitch threshold by DTS property
  dt-bindings: touchscreen: fsl,imx6ul-tsc: support glitch thresold
  dt-bindings: touchscreen: add debounce-delay-us property
  Input: ps2-gpio - fix typo
  Input: atmel_mxt_ts - add support for generic touchscreen configurations
  dt-bindings: input: maxtouch: add common touchscreen properties
  dt-bindings: touchscreen: convert zet6223 bindings to json schema
  ...
2025-10-08 09:44:38 -07:00
Linus Torvalds
abdf766d14 More power management updates for 6.18-rc1
- Make cpufreq drivers setting the default CPU transition latency to
    CPUFREQ_ETERNAL specify a proper default transition latency value
    instead which addresses a regression introduced during the 6.6 cycle
    that broke CPUFREQ_ETERNAL handling (Rafael Wysocki)
 
  - Make the cpufreq CPPC driver use a proper transition delay value
    when CPUFREQ_ETERNAL is returned by cppc_get_transition_latency() to
    indicate an error condition (Rafael Wysocki)
 
  - Make cppc_get_transition_latency() return a negative error code to
    indicate error conditions instead of using CPUFREQ_ETERNAL for this
    purpose and drop CPUFREQ_ETERNAL that has no other users (Rafael
    Wysocki, Gopi Krishna Menon)
 
  - Fix device leak in the mediatek cpufreq driver (Johan Hovold)
 
  - Set target frequency on all CPUs sharing a policy during frequency
    updates in the tegra186 cpufreq driver and make it initialize all
    cores to max frequencies (Aaron Kling)
 
  - Rust cpufreq helper cleanup (Thorsten Blum)
 
  - Make pm_runtime_put*() family of functions return 1 when the
    given device is already suspended which is consistent with the
    documentation (Brian Norris)
 
  - Add basic kunit tests for runtime PM API contracts and update return
    values in kerneldoc comments for the runtime PM API (Brian Norris,
    Dan Carpenter)
 
  - Add auto-cleanup macros for runtime PM "resume and get" and "get
    without resume" operations, use one of them in the PCI core and
    drop the existing "free" macro introduced for similar purpose, but
    somewhat cumbersome to use (Rafael Wysocki)
 
  - Make the core power management code avoid waiting on device links
    marked as SYNC_STATE_ONLY which is consistent with the handling of
    those device links elsewhere (Pin-yen Lin)
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Merge tag 'pm-6.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more power management updates from Rafael Wysocki:
 "These are cpufreq fixes and cleanups on top of the material merged
  previously, a power management core code fix and updates of the
  runtime PM framework including unit tests, documentation updates and
  introduction of auto-cleanup macros for runtime PM "resume and get"
  and "get without resuming" operations.

  Specifics:

   - Make cpufreq drivers setting the default CPU transition latency to
     CPUFREQ_ETERNAL specify a proper default transition latency value
     instead which addresses a regression introduced during the 6.6
     cycle that broke CPUFREQ_ETERNAL handling (Rafael Wysocki)

   - Make the cpufreq CPPC driver use a proper transition delay value
     when CPUFREQ_ETERNAL is returned by cppc_get_transition_latency()
     to indicate an error condition (Rafael Wysocki)

   - Make cppc_get_transition_latency() return a negative error code to
     indicate error conditions instead of using CPUFREQ_ETERNAL for this
     purpose and drop CPUFREQ_ETERNAL that has no other users (Rafael
     Wysocki, Gopi Krishna Menon)

   - Fix device leak in the mediatek cpufreq driver (Johan Hovold)

   - Set target frequency on all CPUs sharing a policy during frequency
     updates in the tegra186 cpufreq driver and make it initialize all
     cores to max frequencies (Aaron Kling)

   - Rust cpufreq helper cleanup (Thorsten Blum)

   - Make pm_runtime_put*() family of functions return 1 when the given
     device is already suspended which is consistent with the
     documentation (Brian Norris)

   - Add basic kunit tests for runtime PM API contracts and update
     return values in kerneldoc comments for the runtime PM API (Brian
     Norris, Dan Carpenter)

   - Add auto-cleanup macros for runtime PM "resume and get" and "get
     without resume" operations, use one of them in the PCI core and
     drop the existing "free" macro introduced for similar purpose, but
     somewhat cumbersome to use (Rafael Wysocki)

   - Make the core power management code avoid waiting on device links
     marked as SYNC_STATE_ONLY which is consistent with the handling of
     those device links elsewhere (Pin-yen Lin)"

* tag 'pm-6.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  docs/zh_CN: Fix malformed table
  docs/zh_TW: Fix malformed table
  PM: runtime: Fix error checking for kunit_device_register()
  PM: runtime: Introduce one more usage counter guard
  cpufreq: Drop unused symbol CPUFREQ_ETERNAL
  ACPI: CPPC: Do not use CPUFREQ_ETERNAL as an error value
  cpufreq: CPPC: Avoid using CPUFREQ_ETERNAL as transition delay
  cpufreq: Make drivers using CPUFREQ_ETERNAL specify transition latency
  PM: runtime: Drop DEFINE_FREE() for pm_runtime_put()
  PCI/sysfs: Use runtime PM guard macro for auto-cleanup
  PM: runtime: Add auto-cleanup macros for "resume and get" operations
  cpufreq: tegra186: Initialize all cores to max frequencies
  cpufreq: tegra186: Set target frequency for all cpus in policy
  rust: cpufreq: streamline find_supply_names
  cpufreq: mediatek: fix device leak on probe failure
  PM: sleep: Do not wait on SYNC_STATE_ONLY device links
  PM: runtime: Update kerneldoc return codes
  PM: runtime: Make put{,_sync}() return 1 when already suspended
  PM: runtime: Add basic kunit tests for API contracts
2025-10-07 09:39:51 -07:00
Linus Torvalds
522ba450b5 There's a bunch of patches here across drivers/clk/ to migrate drivers to use
struct clk_ops::determine_rate() instead of the round_rate() one so that we can
 remove the round_rate clk_op entirely. Brian has taken up that task which
 nobody else has wanted to do for close to a decade. Thanks Brian! This is all
 prerequisite work to get to the real task of improving the clk rate setting
 process. Once we have determine_rate() used everywhere, we'll be able to do
 things like chain the rate request structs in linked lists to order the rate
 setting operations or add more parameters without having to change every clk
 driver in existence. It's also nice to not have multiple ways to do something
 which just causes confusion for clk driver authors. Overall I'm glad this is
 getting done.
 
 Beyond this change we also have a tweak to the clk_lookup() function in the
 core framework to use hashing on the clk name instead of a clk tree walk with
 string comparisons. We _still_ rely on the clk name to be unique, because
 historically we've used globally unique strings to describe the clk tree
 topology. This tree walk becomes increasingly slow as more clks are added to
 the system. Searching from the roots for a duplicate is simple but pretty dumb
 and it wastes boot time so we're using a hash table as an improvement. Ideally
 we wouldn't rely on the strings to be unique at all, relegating them to simply
 debug information, but that is future work that will likely require some sort
 of Kconfig knob indicating strings aren't used for topology description.
 
 Outside of the core framework changes we have the usual new SoC support and
 fixes to clk drivers for things that were discovered once the clks were used by
 consumer drivers. Nothing in particular is jumping out at me in the "misc"
 pile, except maybe the Amlogic driver that has gone through a refactoring. That
 series got a fix from testing in -next though so it seems likely that things
 have been getting good test coverage for a couple weeks already.
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "There's a bunch of patches here across drivers/clk/ to migrate drivers
  to use struct clk_ops::determine_rate() instead of the round_rate()
  one so that we can remove the round_rate clk_op entirely. Brian has
  taken up that task which nobody else has wanted to do for close to a
  decade. Thanks Brian!

  This is all prerequisite work to get to the real task of improving the
  clk rate setting process. Once we have determine_rate() used
  everywhere, we'll be able to do things like chain the rate request
  structs in linked lists to order the rate setting operations or add
  more parameters without having to change every clk driver in
  existence. It's also nice to not have multiple ways to do something
  which just causes confusion for clk driver authors. Overall I'm glad
  this is getting done.

  Beyond this change we also have a tweak to the clk_lookup() function
  in the core framework to use hashing on the clk name instead of a clk
  tree walk with string comparisons. We _still_ rely on the clk name to
  be unique, because historically we've used globally unique strings to
  describe the clk tree topology. This tree walk becomes increasingly
  slow as more clks are added to the system. Searching from the roots
  for a duplicate is simple but pretty dumb and it wastes boot time so
  we're using a hash table as an improvement. Ideally we wouldn't rely
  on the strings to be unique at all, relegating them to simply debug
  information, but that is future work that will likely require some
  sort of Kconfig knob indicating strings aren't used for topology
  description.

  Outside of the core framework changes we have the usual new SoC
  support and fixes to clk drivers for things that were discovered once
  the clks were used by consumer drivers. Nothing in particular is
  jumping out at me in the "misc" pile, except maybe the Amlogic driver
  that has gone through a refactoring. That series got a fix from
  testing in -next though so it seems likely that things have been
  getting good test coverage for a couple weeks already"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (299 commits)
  clk: microchip: core: remove duplicate roclk_determine_rate()
  reset: aspeed: register AST2700 reset auxiliary bus device
  dt-bindings: clock: ast2700: modify soc0/1 clock define
  clk: tegra: do not overallocate memory for bpmp clocks
  clk: ep93xx: Use int type to store negative error codes
  clk: nxp: Fix pll0 rate check condition in LPC18xx CGU driver
  clk: loongson2: Add clock definitions for Loongson-2K0300 SoC
  clk: loongson2: Avoid hardcoding firmware name of the reference clock
  clk: loongson2: Allow zero divisors for dividers
  clk: loongson2: Support scale clocks with an alternative mode
  clk: loongson2: Allow specifying clock flags for gate clock
  dt-bindings: clock: loongson2: Add Loongson-2K0300 compatible
  clk: clocking-wizard: Fix output clock register offset for Versal platforms
  clk: xilinx: Optimize divisor search in clk_wzrd_get_divisors_ver()
  clk: mmp: pxa1908: Instantiate power driver through auxiliary bus
  clk: s2mps11: add support for S2MPG10 PMIC clock
  dt-bindings: clock: samsung,s2mps11: add s2mpg10
  dt-bindings: stm32: cosmetic fixes for STM32MP25 clock and reset bindings
  clk: stm32: introduce clocks for STM32MP21 platform
  dt-bindings: stm32: add STM32MP21 clocks and reset bindings
  ...
2025-10-07 09:28:37 -07:00
Linus Torvalds
971199ad2a arm64 fixes for -rc1
- Preserve old 'tt_core' UAPI for Hisilicon L3C PMU driver.
 
 - Ensure linear alias of kprobes instruction page is not writable.
 
 - Fix kernel stack unwinding from BPF.
 
 - Fix build warnings from the Fujitsu uncore PMU documentation.
 
 - Fix hang with deferred 'struct page' initialisation and MTE.
 
 - Consolidate KPTI page-table re-writing code.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Will Deacon:

 - Preserve old 'tt_core' UAPI for Hisilicon L3C PMU driver

 - Ensure linear alias of kprobes instruction page is not writable

 - Fix kernel stack unwinding from BPF

 - Fix build warnings from the Fujitsu uncore PMU documentation

 - Fix hang with deferred 'struct page' initialisation and MTE

 - Consolidate KPTI page-table re-writing code

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: mte: Do not flag the zero page as PG_mte_tagged
  docs: perf: Fujitsu: Fix htmldocs build warnings and errors
  arm64: mm: Move KPTI helpers to mmu.c
  tracing: Fix the bug where bpf_get_stackid returns -EFAULT on the ARM64
  arm64: kprobes: call set_memory_rox() for kprobe page
  drivers/perf: hisi: Add tt_core_deprecated for compatibility
2025-10-07 08:59:25 -07:00
Rafael J. Wysocki
53d4d315d4 Merge branch 'pm-cpufreq'
Merge cpufreq fixes and cleanups, mostly on top of those fixes, for
6.18-rc1:

 - Make cpufreq drivers setting the default CPU transition latency to
   CPUFREQ_ETERNAL specify a proper default transition latency value
   instead which addresses a regression introduced during the 6.6 cycle
   that broke CPUFREQ_ETERNAL handling (Rafael Wysocki)

 - Make the cpufreq CPPC driver use a proper transition delay value
   when CPUFREQ_ETERNAL is returned by cppc_get_transition_latency() to
   indicate an error condition (Rafael Wysocki)

 - Make cppc_get_transition_latency() return a negative error code to
   indicate error conditions instead of using CPUFREQ_ETERNAL for this
   purpose and drop CPUFREQ_ETERNAL that has no other users (Rafael
   Wysocki, Gopi Krishna Menon)

 - Fix device leak in the mediatek cpufreq driver (Johan Hovold)

 - Set target frequency on all CPUs sharing a policy during frequency
   updates in the tegra186 cpufreq driver and make it initialize all
   cores to max frequencies (Aaron Kling)

 - Rust cpufreq helper cleanup (Thorsten Blum)

* pm-cpufreq:
  docs/zh_CN: Fix malformed table
  docs/zh_TW: Fix malformed table
  cpufreq: Drop unused symbol CPUFREQ_ETERNAL
  ACPI: CPPC: Do not use CPUFREQ_ETERNAL as an error value
  cpufreq: CPPC: Avoid using CPUFREQ_ETERNAL as transition delay
  cpufreq: Make drivers using CPUFREQ_ETERNAL specify transition latency
  cpufreq: tegra186: Initialize all cores to max frequencies
  cpufreq: tegra186: Set target frequency for all cpus in policy
  rust: cpufreq: streamline find_supply_names
  cpufreq: mediatek: fix device leak on probe failure
2025-10-07 12:31:46 +02:00
Nicolas Frattaroli
d3e35a151a dt-bindings: mailbox: Add MT8196 GPUEB Mailbox
The MediaTek MT8196 SoC includes an embedded MCU referred to as "GPUEB",
acting as glue logic to control power and frequency of the Mali GPU.
This MCU runs special-purpose firmware for this use, and the main
application processor communicates with it through a mailbox.

Add a binding that describes this mailbox.

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
2025-10-06 18:14:01 -05:00
AngeloGioacchino Del Regno
426f4e9414 dt-bindings: mailbox: mediatek,gce-mailbox: Make clock-names optional
The GCE Mailbox needs only one clock and the clock-names can be
used only by the driver (which, for instance, does not use it),
and this is true for all of the currently supported MediaTek SoCs.

Stop requiring to specify clock-names on all non-MT8195 GCEs.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
2025-10-06 18:14:00 -05:00
Sibi Sankar
526ce9eb45 dt-bindings: mailbox: qcom: Document Glymur CPUCP mailbox controller binding
Document CPU Control Processor (CPUCP) mailbox controller for Qualcomm
Glymur SoCs. It is software compatible with X1E80100 CPUCP mailbox
controller hence fallback to it.

Signed-off-by: Sibi Sankar <sibi.sankar@oss.qualcomm.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
2025-10-06 18:13:53 -05:00
Linus Torvalds
256e341706 Generic:
* Rework almost all of KVM's exports to expose symbols only to KVM's x86
   vendor modules (kvm-{amd,intel}.ko and PPC's kvm-{pr,hv}.ko.
 
 x86:
 
 * Rework almost all of KVM x86's exports to expose symbols only to KVM's
   vendor modules, i.e. to kvm-{amd,intel}.ko.
 
 * Add support for virtualizing Control-flow Enforcement Technology (CET) on
   Intel (Shadow Stacks and Indirect Branch Tracking) and AMD (Shadow Stacks).
   It's worth noting that while SHSTK and IBT can be enabled separately in CPUID,
   it is not really possible to virtualize them separately.  Therefore, Intel
   processors will really allow both SHSTK and IBT under the hood if either is
   made visible in the guest's CPUID.  The alternative would be to intercept
   XSAVES/XRSTORS, which is not feasible for performance reasons.
 
 * Fix a variety of fuzzing WARNs all caused by checking L1 intercepts when
   completing userspace I/O.  KVM has already committed to allowing L2 to
   to perform I/O at that point.
 
 * Emulate PERF_CNTR_GLOBAL_STATUS_SET for PerfMonV2 guests, as the MSR is
   supposed to exist for v2 PMUs.
 
 * Allow Centaur CPU leaves (base 0xC000_0000) for Zhaoxin CPUs.
 
 * Add support for the immediate forms of RDMSR and WRMSRNS, sans full
   emulator support (KVM should never need to emulate the MSRs outside of
   forced emulation and other contrived testing scenarios).
 
 * Clean up the MSR APIs in preparation for CET and FRED virtualization, as
   well as mediated vPMU support.
 
 * Clean up a pile of PMU code in anticipation of adding support for mediated
   vPMUs.
 
 * Reject in-kernel IOAPIC/PIT for TDX VMs, as KVM can't obtain EOI vmexits
   needed to faithfully emulate an I/O APIC for such guests.
 
 * Many cleanups and minor fixes.
 
 * Recover possible NX huge pages within the TDP MMU under read lock to
   reduce guest jitter when restoring NX huge pages.
 
 * Return -EAGAIN during prefault if userspace concurrently deletes/moves the
   relevant memslot, to fix an issue where prefaulting could deadlock with the
   memslot update.
 
 x86 (AMD):
 
 * Enable AVIC by default for Zen4+ if x2AVIC (and other prereqs) is supported.
 
 * Require a minimum GHCB version of 2 when starting SEV-SNP guests via
   KVM_SEV_INIT2 so that invalid GHCB versions result in immediate errors
   instead of latent guest failures.
 
 * Add support for SEV-SNP's CipherText Hiding, an opt-in feature that prevents
   unauthorized CPU accesses from reading the ciphertext of SNP guest private
   memory, e.g. to attempt an offline attack.  This feature splits the shared
   SEV-ES/SEV-SNP ASID space into separate ranges for SEV-ES and SEV-SNP guests,
   therefore a new module parameter is needed to control the number of ASIDs
   that can be used for VMs with CipherText Hiding vs. how many can be used to
   run SEV-ES guests.
 
 * Add support for Secure TSC for SEV-SNP guests, which prevents the untrusted
   host from tampering with the guest's TSC frequency, while still allowing the
   the VMM to configure the guest's TSC frequency prior to launch.
 
 * Validate the XCR0 provided by the guest (via the GHCB) to avoid bugs
   resulting from bogus XCR0 values.
 
 * Save an SEV guest's policy if and only if LAUNCH_START fully succeeds to
   avoid leaving behind stale state (thankfully not consumed in KVM).
 
 * Explicitly reject non-positive effective lengths during SNP's LAUNCH_UPDATE
   instead of subtly relying on guest_memfd to deal with them.
 
 * Reload the pre-VMRUN TSC_AUX on #VMEXIT for SEV-ES guests, not the host's
   desired TSC_AUX, to fix a bug where KVM was keeping a different vCPU's
   TSC_AUX in the host MSR until return to userspace.
 
 KVM (Intel):
 
 * Preparation for FRED support.
 
 * Don't retry in TDX's anti-zero-step mitigation if the target memslot is
   invalid, i.e. is being deleted or moved, to fix a deadlock scenario similar
   to the aforementioned prefaulting case.
 
 * Misc bugfixes and minor cleanups.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull x86 kvm updates from Paolo Bonzini:
 "Generic:

   - Rework almost all of KVM's exports to expose symbols only to KVM's
     x86 vendor modules (kvm-{amd,intel}.ko and PPC's kvm-{pr,hv}.ko

  x86:

   - Rework almost all of KVM x86's exports to expose symbols only to
     KVM's vendor modules, i.e. to kvm-{amd,intel}.ko

   - Add support for virtualizing Control-flow Enforcement Technology
     (CET) on Intel (Shadow Stacks and Indirect Branch Tracking) and AMD
     (Shadow Stacks).

     It is worth noting that while SHSTK and IBT can be enabled
     separately in CPUID, it is not really possible to virtualize them
     separately. Therefore, Intel processors will really allow both
     SHSTK and IBT under the hood if either is made visible in the
     guest's CPUID. The alternative would be to intercept
     XSAVES/XRSTORS, which is not feasible for performance reasons

   - Fix a variety of fuzzing WARNs all caused by checking L1 intercepts
     when completing userspace I/O. KVM has already committed to
     allowing L2 to to perform I/O at that point

   - Emulate PERF_CNTR_GLOBAL_STATUS_SET for PerfMonV2 guests, as the
     MSR is supposed to exist for v2 PMUs

   - Allow Centaur CPU leaves (base 0xC000_0000) for Zhaoxin CPUs

   - Add support for the immediate forms of RDMSR and WRMSRNS, sans full
     emulator support (KVM should never need to emulate the MSRs outside
     of forced emulation and other contrived testing scenarios)

   - Clean up the MSR APIs in preparation for CET and FRED
     virtualization, as well as mediated vPMU support

   - Clean up a pile of PMU code in anticipation of adding support for
     mediated vPMUs

   - Reject in-kernel IOAPIC/PIT for TDX VMs, as KVM can't obtain EOI
     vmexits needed to faithfully emulate an I/O APIC for such guests

   - Many cleanups and minor fixes

   - Recover possible NX huge pages within the TDP MMU under read lock
     to reduce guest jitter when restoring NX huge pages

   - Return -EAGAIN during prefault if userspace concurrently
     deletes/moves the relevant memslot, to fix an issue where
     prefaulting could deadlock with the memslot update

  x86 (AMD):

   - Enable AVIC by default for Zen4+ if x2AVIC (and other prereqs) is
     supported

   - Require a minimum GHCB version of 2 when starting SEV-SNP guests
     via KVM_SEV_INIT2 so that invalid GHCB versions result in immediate
     errors instead of latent guest failures

   - Add support for SEV-SNP's CipherText Hiding, an opt-in feature that
     prevents unauthorized CPU accesses from reading the ciphertext of
     SNP guest private memory, e.g. to attempt an offline attack. This
     feature splits the shared SEV-ES/SEV-SNP ASID space into separate
     ranges for SEV-ES and SEV-SNP guests, therefore a new module
     parameter is needed to control the number of ASIDs that can be used
     for VMs with CipherText Hiding vs. how many can be used to run
     SEV-ES guests

   - Add support for Secure TSC for SEV-SNP guests, which prevents the
     untrusted host from tampering with the guest's TSC frequency, while
     still allowing the the VMM to configure the guest's TSC frequency
     prior to launch

   - Validate the XCR0 provided by the guest (via the GHCB) to avoid
     bugs resulting from bogus XCR0 values

   - Save an SEV guest's policy if and only if LAUNCH_START fully
     succeeds to avoid leaving behind stale state (thankfully not
     consumed in KVM)

   - Explicitly reject non-positive effective lengths during SNP's
     LAUNCH_UPDATE instead of subtly relying on guest_memfd to deal with
     them

   - Reload the pre-VMRUN TSC_AUX on #VMEXIT for SEV-ES guests, not the
     host's desired TSC_AUX, to fix a bug where KVM was keeping a
     different vCPU's TSC_AUX in the host MSR until return to userspace

  KVM (Intel):

   - Preparation for FRED support

   - Don't retry in TDX's anti-zero-step mitigation if the target
     memslot is invalid, i.e. is being deleted or moved, to fix a
     deadlock scenario similar to the aforementioned prefaulting case

   - Misc bugfixes and minor cleanups"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (142 commits)
  KVM: x86: Export KVM-internal symbols for sub-modules only
  KVM: x86: Drop pointless exports of kvm_arch_xxx() hooks
  KVM: x86: Move kvm_intr_is_single_vcpu() to lapic.c
  KVM: Export KVM-internal symbols for sub-modules only
  KVM: s390/vfio-ap: Use kvm_is_gpa_in_memslot() instead of open coded equivalent
  KVM: VMX: Make CR4.CET a guest owned bit
  KVM: selftests: Verify MSRs are (not) in save/restore list when (un)supported
  KVM: selftests: Add coverage for KVM-defined registers in MSRs test
  KVM: selftests: Add KVM_{G,S}ET_ONE_REG coverage to MSRs test
  KVM: selftests: Extend MSRs test to validate vCPUs without supported features
  KVM: selftests: Add support for MSR_IA32_{S,U}_CET to MSRs test
  KVM: selftests: Add an MSR test to exercise guest/host and read/write
  KVM: x86: Define AMD's #HV, #VC, and #SX exception vectors
  KVM: x86: Define Control Protection Exception (#CP) vector
  KVM: x86: Add human friendly formatting for #XM, and #VE
  KVM: SVM: Enable shadow stack virtualization for SVM
  KVM: SEV: Synchronize MSR_IA32_XSS from the GHCB when it's valid
  KVM: SVM: Pass through shadow stack MSRs as appropriate
  KVM: SVM: Update dump_vmcb with shadow stack save area additions
  KVM: nSVM: Save/load CET Shadow Stack state to/from vmcb12/vmcb02
  ...
2025-10-06 12:37:34 -07:00
Linus Torvalds
169c9d06a2 linux-watchdog 6.18-rc1 tag
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Merge tag 'linux-watchdog-6.18-rc1' of git://www.linux-watchdog.org/linux-watchdog

Pull watchdog updates from Wim Van Sebroeck:

 - renesas,wdt: Add support for RZ/T2H and RZ/N2H

 - Add SMARC-sAM67 support

 - Several small fixes and improvements

* tag 'linux-watchdog-6.18-rc1' of git://www.linux-watchdog.org/linux-watchdog:
  watchdog/hpwdt New maintianer
  dt-bindings: watchdog: add SMARC-sAM67 support
  watchdog: mpc8xxx_wdt: Reload the watchdog timer when enabling the watchdog
  watchdog: visconti: don't print superfluous errors
  watchdog: rzv2h_wdt: don't print superfluous errors
  watchdog: rzg2l_wdt: don't print superfluous errors
  watchdog: s3c2410_wdt: exynosautov9: Enable supported features
  watchdog: s3c2410_wdt: exynosautov920: Enable QUIRK_HAS_32BIT_CNT
  watchdog: s3c2410_wdt: Increase max timeout value of watchdog
  watchdog: s3c2410_wdt: Fix max_timeout being calculated larger
  watchdog: s3c2410_wdt: Replace hardcoded values with macro definitions
  watchdog: rzv2h: Improve error strings and add newlines
  watchdog: rzv2h: Add support for RZ/T2H
  watchdog: rzv2h: Add support for configurable count clock source
  watchdog: rzv2h: Make "oscclk" and reset controller optional
  watchdog: rzv2h: Obtain clock-divider and timeout values from OF match data
  dt-bindings: watchdog: renesas,wdt: Add support for RZ/T2H and RZ/N2H
  watchdog: intel_oc_wdt: Do not try to write into const memory
2025-10-06 11:00:30 -07:00
Stephen Boyd
8397c58ea7
Merge branches 'clk-marvell', 'clk-xilinx', 'clk-mediatek' and 'clk-loongson' into clk-next
- Add Mediatek MT8196 clk drivers

* clk-marvell:
  clk: mmp: pxa1908: Instantiate power driver through auxiliary bus

* clk-xilinx:
  clk: clocking-wizard: Fix output clock register offset for Versal platforms
  clk: xilinx: Optimize divisor search in clk_wzrd_get_divisors_ver()

* clk-mediatek: (31 commits)
  clk: mediatek: Add MT8196 vencsys clock support
  clk: mediatek: Add MT8196 vdecsys clock support
  clk: mediatek: Add MT8196 ovl1 clock support
  clk: mediatek: Add MT8196 ovl0 clock support
  clk: mediatek: Add MT8196 disp-ao clock support
  clk: mediatek: Add MT8196 disp1 clock support
  clk: mediatek: Add MT8196 disp0 clock support
  clk: mediatek: Add MT8196 mfg clock support
  clk: mediatek: Add MT8196 mdpsys clock support
  clk: mediatek: Add MT8196 mcu clock support
  clk: mediatek: Add MT8196 I2C clock support
  clk: mediatek: Add MT8196 pextpsys clock support
  clk: mediatek: Add MT8196 ufssys clock support
  clk: mediatek: Add MT8196 peripheral clock support
  clk: mediatek: Add MT8196 vlpckgen clock support
  clk: mediatek: Add MT8196 topckgen2 clock support
  clk: mediatek: Add MT8196 topckgen clock support
  clk: mediatek: Add MT8196 apmixedsys clock support
  dt-bindings: clock: mediatek: Describe MT8196 clock controllers
  clk: mediatek: clk-mtk: Add MUX_DIV_GATE macro
  ...

* clk-loongson:
  clk: loongson2: Add clock definitions for Loongson-2K0300 SoC
  clk: loongson2: Avoid hardcoding firmware name of the reference clock
  clk: loongson2: Allow zero divisors for dividers
  clk: loongson2: Support scale clocks with an alternative mode
  clk: loongson2: Allow specifying clock flags for gate clock
  dt-bindings: clock: loongson2: Add Loongson-2K0300 compatible
2025-10-06 13:00:22 -05:00
Stephen Boyd
b91217d912
Merge branches 'clk-microchip', 'clk-lookup' and 'clk-st' into clk-next
- Speed up clk_core_lookup() by using a hashtable

* clk-microchip:
  ARM: at91: remove default values for PMC_PLL_ACR
  clk: at91: add ACR in all PLL settings
  clk: at91: sam9x7: Add peripheral clock id for pmecc
  clk: at91: clk-master: Add check for divide by 3
  clk: at91: clk-sam9x60-pll: force write to PLL_UPDT register
  ARM: at91: pm: save and restore ACR during PLL disable/enable

* clk-lookup:
  clk: Use hashtable for global clk lookups
  clk: Sort include statements

* clk-st:
  dt-bindings: stm32: cosmetic fixes for STM32MP25 clock and reset bindings
  clk: stm32: introduce clocks for STM32MP21 platform
  dt-bindings: stm32: add STM32MP21 clocks and reset bindings
2025-10-06 13:00:12 -05:00
Stephen Boyd
f0fd248204
Merge branches 'clk-scmi', 'clk-qcom' and 'clk-broadcom' into clk-next
* clk-scmi:
  clk: scmi: Add duty cycle ops only when duty cycle is supported

* clk-qcom: (27 commits)
  clk: qcom: gcc-sc8280xp: drop obsolete PCIe GDSC comment
  clk: qcom: tcsrcc-x1e80100: Set the bi_tcxo as parent to eDP refclk
  clk: qcom: dispcc-glymur: Constify 'struct qcom_cc_desc'
  clk: qcom: gcc: Add support for Global Clock controller found on MSM8937
  dt-bindings: clock: qcom: Add MSM8937 Global Clock Controller
  clk: qcom: Select the intended config in QCS_DISPCC_615
  clk: qcom: common: Fix NULL vs IS_ERR() check in qcom_cc_icc_register()
  clk: qcom: alpha-pll: convert from round_rate() to determine_rate()
  clk: qcom: milos: Constify 'struct qcom_cc_desc'
  clk: qcom: gcc: Add support for Global Clock Controller
  dt-bindings: clock: qcom: document the Glymur Global Clock Controller
  clk: qcom: clk-alpha-pll: Add support for Taycan EKO_T PLL
  clk: qcom: rpmh: Add support for Glymur rpmh clocks
  clk: qcom: Add TCSR clock driver for Glymur SoC
  dt-bindings: clock: qcom: Document the Glymur SoC TCSR Clock Controller
  dt-bindings: clock: qcom-rpmhcc: Add support for Glymur SoCs
  clk: qcom: dispcc-glymur: Add support for Display Clock Controller
  dt-bindings: clock: Add DISPCC and reset controller for GLYMUR SoC
  clk: qcom: gcc-sdm660: Add missing LPASS/CDSP vote clocks
  dt-bindings: clock: gcc-sdm660: Add LPASS/CDSP vote clocks/GDSCs
  ...

* clk-broadcom:
  clk: bcm: rpi: Maximize V3D clock
  clk: bcm: rpi: Turn firmware clock on/off when preparing/unpreparing
  clk: bcm: rpi: Add missing logs if firmware fails
2025-10-06 12:57:03 -05:00
Stephen Boyd
c1e102f349
Merge branches 'clk-imx', 'clk-allwinner' and 'clk-ti' into clk-next
* clk-imx:
  clk: imx95-blk-ctl: Save/restore registers when RPM routines are called
  clk: imx95-blk-ctl: Save platform data in imx95_blk_ctl structure

* clk-allwinner:
  clk: sunxi-ng: add support for the A523/T527 MCU CCU
  clk: sunxi-ng: div: support power-of-two dividers
  clk: sunxi-ng: sun55i-a523-ccu: Add missing NPU module clock
  dt-bindings: clock: sun55i-a523-ccu: Add A523 MCU CCU clock controller
  dt-bindings: clock: sun55i-a523-ccu: Add missing NPU module clock
  clk: sunxi-ng: sun6i-rtc: Add A523 specifics

* clk-ti:
  clk: keystone: sci-clk: use devm_kmemdup_array()
  clk: ti: am33xx: keep WKUP_DEBUGSS_CLKCTRL enabled
2025-10-06 12:56:54 -05:00
Stephen Boyd
3aae991cc2
Merge branches 'clk-samsung', 'clk-tegra' and 'clk-amlogic' into clk-next
* clk-samsung:
  clk: s2mps11: add support for S2MPG10 PMIC clock
  dt-bindings: clock: samsung,s2mps11: add s2mpg10
  clk: samsung: exynos990: Add PERIC0 and PERIC1 clock support
  dt-bindings: clock: exynos990: Add PERIC0 and PERIC1 clock units
  clk: samsung: exynos990: Add missing USB clock registers to HSI0
  clk: samsung: exynos990: Add LHS_ACEL gate clock for HSI0 and update CLK_NR_TOP
  dt-bindings: clock: exynos990: Add LHS_ACEL clock ID for HSI0 block
  clk: samsung: artpec-8: Add initial clock support for ARTPEC-8 SoC
  clk: samsung: Add clock PLL support for ARTPEC-8 SoC
  dt-bindings: clock: Add ARTPEC-8 clock controller
  clk: samsung: exynos990: Add DPU_BUS and CMUREF mux/div and update CLKS_NR_TOP
  dt-bindings: clock: exynos990: Extend clocks IDs
  clk: samsung: exynos990: Replace bogus divs with fixed-factor clocks
  clk: samsung: exynos990: Fix CMU_TOP mux/div bit widths
  clk: samsung: exynos990: Use PLL_CON0 for PLL parent muxes
  clk: samsung: pll: convert from round_rate() to determine_rate()
  clk: samsung: cpu: convert from round_rate() to determine_rate()
  clk: samsung: fsd: Add clk id for PCLK and PLL in CAM_CSI block
  dt-bindings: clock: Add CAM_CSI clock macro for FSD

* clk-tegra:
  clk: tegra: dfll: Add CVB tables for Tegra114
  clk: tegra: Add DFLL DVCO reset control for Tegra114
  dt-bindings: arm: tegra: Add ASUS TF101G and SL101
  dt-bindings: reset: Add Tegra114 CAR header
  dt-bindings: arm: tegra: Add Xiaomi Mi Pad (A0101)
  dt-bindings: clock: tegra30: Add IDs for CSI pad clocks
  dt-bindings: display: tegra: Move avdd-dsi-csi-supply from VI to CSI
  dt-bindings: i2c: nvidia,tegra20-i2c: Document Tegra264 I2C

* clk-amlogic:
  clk: amlogic: fix recent code refactoring
  clk: amlogic: c3-peripherals: use helper for basic composite clocks
  clk: amlogic: align s4 and c3 pwm clock descriptions
  clk: amlogic: add composite clock helpers
  clk: amlogic: use the common pclk definition
  clk: amlogic: introduce a common pclk definition
  clk: amlogic: pclk explicitly use CLK_IGNORE_UNUSED
  clk: amlogic: drop CLK_SET_RATE_PARENT from peripheral clocks
  clk: amlogic: move PCLK definition to clkc-utils
  clk: amlogic: aoclk: use clkc-utils syscon probe
  clk: amlogic: use probe helper in mmio based controllers
  clk: amlogic: add probe helper for mmio based controllers
  clk: amlogic: drop meson-clkcee
  clk: amlogic: naming consistency alignment
2025-10-06 12:56:46 -05:00
Stephen Boyd
ec7336475d
Merge branches 'clk-bindings', 'clk-cleanup', 'clk-renesas', 'clk-thead' and 'clk-spacemit' into clk-next
* clk-bindings:
  dt-bindings: clock: mediatek: Add power-domains property
  dt-bindings: clock: silabs,si5341: Add missing properties
  dt-bindings: clock: adi,axi-clkgen: add clock-output-names property
  dt-bindings: clock: Remove unused fujitsu,mb86s70-crg11 binding
  dt-bindings: clock: Convert silabs,si570 to DT schema
  dt-bindings: clock: Convert silabs,si5341 to DT schema
  dt-bindings: clock: Convert silabs,si514/544 to DT schema

* clk-cleanup:
  clk: tegra: do not overallocate memory for bpmp clocks
  clk: ep93xx: Use int type to store negative error codes
  dt-bindings: clock: st: flexgen: remove deprecated compatibles
  clk: st: flexgen: remove unused compatible
  clk: clk-axi-clkgen: remove unneeded semicolon
  clk: tegra: Remove redundant semicolons
  clk: npcm: select CONFIG_AUXILIARY_BUS
  clk: remove unneeded 'fast_io' parameter in regmap_config

* clk-renesas: (27 commits)
  clk: renesas: r9a09g05[67]: Reduce differences
  clk: renesas: r9a09g047: Add USB3.0 clocks/resets
  clk: renesas: cpg-mssr: Fix memory leak in cpg_mssr_reserved_init()
  clk: renesas: r9a09g056: Add clock and reset entries for I3C
  clk: renesas: r9a09g057: Add clock and reset entries for I3C
  dt-bindings: clock: renesas,r9a09g047-cpg: Add USB3.0 core clocks
  clk: renesas: r9a09g077: Add Ethernet Subsystem core and module clocks
  clk: renesas: rzv2h: Simplify polling condition in __rzv2h_cpg_assert()
  clk: renesas: rzv2h: Re-assert reset on deassert timeout
  clk: renesas: rzg2l: Re-assert reset on deassert timeout
  clk: renesas: rzg2l: Simplify rzg2l_cpg_assert() and rzg2l_cpg_deassert()
  dt-bindings: clock: renesas,r9a09g077/87: Add Ethernet clock IDs
  clk: renesas: r9a09g047: Add GPT clocks and resets
  clk: renesas: r9a09g077: Add module clocks for SCI1-SCI5
  clk: renesas: rzv2h: remove round_rate() in favor of determine_rate()
  clk: renesas: rzg2l: convert from round_rate() to determine_rate()
  clk: renesas: r9a07g04[34]: Use tabs instead of spaces
  clk: renesas: r9a07g043: Add MSTOP for RZ/G2UL
  clk: renesas: r9a07g044: Add MSTOP for RZ/G2L
  clk: renesas: r9a08g045: Add MSTOP for GPIO
  ...

* clk-thead:
  clk: thead: th1520-ap: set all AXI clocks to CLK_IS_CRITICAL
  clk: thead: support changing DPU pixel clock rate
  clk: thead: add support for enabling/disabling PLLs
  clk: thead: Correct parent for DPU pixel clocks
  clk: thead: th1520-ap: fix parent of padctrl0 clock
  clk: thead: th1520-ap: describe gate clocks with clk_gate

* clk-spacemit:
  clk: spacemit: fix i2s clock
  clk: spacemit: introduce pre-div for ddn clock
  dt-bindings: clock: spacemit: introduce i2s pre-clock to fix i2s clock
  clk: spacemit: ccu_pll: convert from round_rate() to determine_rate()
  clk: spacemit: ccu_mix: convert from round_rate() to determine_rate()
  clk: spacemit: ccu_ddn: convert from round_rate() to determine_rate()
  clk: spacemit: fix sspax_clk
  dt-bindings: clock: spacemit: CLK_SSPA_I2S_BCLK for SSPA
2025-10-06 12:56:23 -05:00
Linus Torvalds
2f2c725493 pci-v6.18-changes
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Merge tag 'pci-v6.18-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci

Pull pci updates from Bjorn Helgaas:
 "Enumeration:

   - Add PCI_FIND_NEXT_CAP() and PCI_FIND_NEXT_EXT_CAP() macros that
     take config space accessor functions.

     Implement pci_find_capability(), pci_find_ext_capability(), and
     dwc, dwc endpoint, and cadence capability search interfaces with
     them (Hans Zhang)

   - Leave parent unit address 0 in 'interrupt-map' so that when we
     build devicetree nodes to describe PCI functions that contain
     multiple peripherals, we can build this property even when
     interrupt controllers lack 'reg' properties (Lorenzo Pieralisi)

   - Add a Xeon 6 quirk to disable Extended Tags and limit Max Read
     Request Size to 128B to avoid a performance issue (Ilpo Järvinen)

   - Add sysfs 'serial_number' file to expose the Device Serial Number
     (Matthew Wood)

   - Fix pci_acpi_preserve_config() memory leak (Nirmoy Das)

  Resource management:

   - Align m68k pcibios_enable_device() with other arches (Ilpo
     Järvinen)

   - Remove sparc pcibios_enable_device() implementations that don't do
     anything beyond what pci_enable_resources() does (Ilpo Järvinen)

   - Remove mips pcibios_enable_resources() and use
     pci_enable_resources() instead (Ilpo Järvinen)

   - Clean up bridge window sizing and assignment (Ilpo Järvinen),
     including:

       - Leave non-claimed bridge windows disabled

       - Enable bridges even if a window wasn't assigned because not all
         windows are required by downstream devices

       - Preserve bridge window type when releasing the resource, since
         the type is needed for reassignment

       - Consolidate selection of bridge windows into two new
         interfaces, pbus_select_window() and
         pbus_select_window_for_type(), so this is done consistently

       - Compute bridge window start and end earlier to avoid logging
         stale information

  MSI:

   - Add quirk to disable MSI on RDC PCI to PCIe bridges (Marcos Del Sol
     Vives)

  Error handling:

   - Align AER with EEH by allowing drivers to request a Bus Reset on
     Non-Fatal Errors (in addition to the reset on Fatal Errors that we
     already do) (Lukas Wunner)

   - If error recovery fails, emit FAILED_RECOVERY uevents for the
     devices, not for the bridge leading to them.

     This makes them correspond to BEGIN_RECOVERY uevents (Lukas Wunner)

   - Align AER with EEH by calling err_handler.error_detected()
     callbacks to notify drivers if error recovery fails (Lukas Wunner)

   - Align AER with EEH by restoring device error_state to
     pci_channel_io_normal before the err_handler.slot_reset() callback.

     This is earlier than before the err_handler.resume() callback
     (Lukas Wunner)

   - Emit a BEGIN_RECOVERY uevent when driver's
     err_handler.error_detected() requests a reset, as well as when it
     says recovery is complete or can be done without a reset (Niklas
     Schnelle)

   - Align s390 with AER and EEH by emitting uevents during error
     recovery (Niklas Schnelle)

   - Align EEH with AER and s390 by emitting BEGIN_RECOVERY,
     SUCCESSFUL_RECOVERY, or FAILED_RECOVERY uevents depending on the
     result of err_handler.error_detected() (Niklas Schnelle)

   - Fix a NULL pointer dereference in aer_ratelimit() when ACPI GHES
     error information identifies a device without an AER Capability
     (Breno Leitao)

   - Update error decoding and TLP Log printing for new errors in
     current PCIe base spec (Lukas Wunner)

   - Update error recovery documentation to match the current code
     and use consistent nomenclature (Lukas Wunner)

  ASPM:

   - Enable all ClockPM and ASPM states for devicetree platforms, since
     there's typically no firmware that enables ASPM

     This is a risky change that may uncover hardware or configuration
     defects at boot-time rather than when users enable ASPM via sysfs
     later. Booting with "pcie_aspm=off" prevents this enabling
     (Manivannan Sadhasivam)

   - Remove the qcom code that enabled ASPM (Manivannan Sadhasivam)

  Power management:

   - If a device has already been disconnected, e.g., by a hotplug
     removal, don't bother trying to resume it to D0 when detaching the
     driver.

     This avoids annoying "Unable to change power state from D3cold to
     D0" messages (Mario Limonciello)

   - Ensure devices are powered up before config reads for
     'max_link_width', 'current_link_speed', 'current_link_width',
     'secondary_bus_number', and 'subordinate_bus_number' sysfs files.

     This prevents using invalid data (~0) in drivers or lspci and,
     depending on how the PCIe controller reports errors, may avoid
     error interrupts or crashes (Brian Norris)

  Virtualization:

   - Add rescan/remove locking when enabling/disabling SR-IOV, which
     avoids list corruption on s390, where disabling SR-IOV also
     generates hotplug events (Niklas Schnelle)

  Peer-to-peer DMA:

   - Free struct p2p_pgmap, not a member within it, in the
     pci_p2pdma_add_resource() error path (Sungho Kim)

  Endpoint framework:

   - Document sysfs interface for BAR assignment of vNTB endpoint
     functions (Jerome Brunet)

   - Fix array underflow in endpoint BAR test case (Dan Carpenter)

   - Skip endpoint IRQ test if the IRQ is out of range to avoid false
     errors (Christian Bruel)

   - Fix endpoint test case for controllers with fixed-size BARs smaller
     than requested by the test (Marek Vasut)

   - Restore inbound translation when disabling doorbell so the endpoint
     doorbell test case can be run more than once (Niklas Cassel)

   - Avoid a NULL pointer dereference when releasing DMA channels in
     endpoint DMA test case (Shin'ichiro Kawasaki)

   - Convert tegra194 interrupt number to MSI vector to fix endpoint
     Kselftest MSI_TEST test case (Niklas Cassel)

   - Reset tegra194 BARs when running in endpoint mode so the BAR tests
     don't overwrite the ATU settings in BAR4 (Niklas Cassel)

   - Handle errors in tegra194 BPMP transactions so we don't mistakenly
     skip future PERST# assertion (Vidya Sagar)

  AMD MDB PCIe controller driver:

   - Update DT binding example to separate PERST# to a Root Port stanza
     to make multiple Root Ports possible in the future (Sai Krishna
     Musham)

   - Add driver support for PERST# being described in a Root Port
     stanza, falling back to the host bridge if not found there (Sai
     Krishna Musham)

  Freescale i.MX6 PCIe controller driver:

   - Enable the 3.3V Vaux supply if available so devices can request
     wakeup with either Beacon or WAKE# (Richard Zhu)

  MediaTek PCIe Gen3 controller driver:

   - Add optional sys clock ready time setting to avoid sys_clk_rdy
     signal glitching in MT6991 and MT8196 (AngeloGioacchino Del Regno)

   - Add DT binding and driver support for MT6991 and MT8196
     (AngeloGioacchino Del Regno)

  NVIDIA Tegra PCIe controller driver:

   - When asserting PERST#, disable the controller instead of mistakenly
     disabling the PLL twice (Nagarjuna Kristam)

   - Convert struct tegra_msi mask_lock to raw spinlock to avoid a lock
     nesting error (Marek Vasut)

  Qualcomm PCIe controller driver:

   - Select PCI Power Control Slot driver so slot voltage rails can be
     turned on/off if described in Root Port devicetree node (Qiang Yu)

   - Parse only PCI bridge child nodes in devicetree, skipping unrelated
     nodes such as OPP (Operating Performance Points), which caused
     probe failures (Krishna Chaitanya Chundru)

   - Add 8.0 GT/s and 32.0 GT/s equalization settings (Ziyue Zhang)

   - Consolidate Root Port 'phy' and 'reset' properties in struct
     qcom_pcie_port, regardless of whether we got them from the Root
     Port node or the host bridge node (Manivannan Sadhasivam)

   - Fetch and map the ELBI register space in the DWC core rather than
     in each driver individually (Krishna Chaitanya Chundru)

   - Enable ECAM mechanism in DWC core by setting up iATU with 'CFG
     Shift Feature' and use this in the qcom driver (Krishna Chaitanya
     Chundru)

   - Add SM8750 compatible to qcom,pcie-sm8550.yaml (Krishna Chaitanya
     Chundru)

   - Update qcom,pcie-x1e80100.yaml to allow fifth PCIe host on Qualcomm
     Glymur, which is compatible with X1E80100 but doesn't have the
     cnoc_sf_axi clock (Qiang Yu)

  Renesas R-Car PCIe controller driver:

   - Fix a typo that prevented correct PHY initialization (Marek Vasut)

   - Add a missing 1ms delay after PWR reset assertion as required by
     the V4H manual (Marek Vasut)

   - Assure reset has completed before DBI access to avoid SError (Marek
     Vasut)

   - Fix inverted PHY initialization check, which sometimes led to
     timeouts and failure to start the controller (Marek Vasut)

   - Pass the correct IRQ domain to generic_handle_domain_irq() to fix a
     regression when converting to msi_create_parent_irq_domain()
     (Claudiu Beznea)

   - Drop the spinlock protecting the PMSR register - it's no longer
     required since pci_lock already serializes accesses (Marek Vasut)

   - Convert struct rcar_msi mask_lock to raw spinlock to avoid a lock
     nesting error (Marek Vasut)

  SOPHGO PCIe controller driver:

   - Check for existence of struct cdns_pcie.ops before using it to
     allow Cadence drivers that don't need to supply ops (Chen Wang)

   - Add DT binding and driver for the SOPHGO SG2042 PCIe controller
     (Chen Wang)

  STMicroelectronics STM32MP25 PCIe controller driver:

   - Update pinctrl documentation of initial states and use in runtime
     suspend/resume (Christian Bruel)

   - Add pinctrl_pm_select_init_state() for use by stm32 driver, which
     needs it during resume (Christian Bruel)

   - Add devicetree bindings and drivers for the STMicroelectronics
     STM32MP25 in host and endpoint modes (Christian Bruel)

  Synopsys DesignWare PCIe controller driver:

   - Add support for x16 in devicetree 'num-lanes' property (Konrad
     Dybcio)

   - Verify that if DT specifies a single IRQ for all eDMA channels, it
     is named 'dma' (Niklas Cassel)

  TI J721E PCIe driver:

   - Add MODULE_DEVICE_TABLE() so driver can be autoloaded (Siddharth
     Vadapalli)

   - Power controller off before configuring the glue layer so the
     controller latches the correct values on power-on (Siddharth
     Vadapalli)

  TI Keystone PCIe controller driver:

   - Use devm_request_irq() so 'ks-pcie-error-irq' is freed when driver
     exits with error (Siddharth Vadapalli)

   - Add Peripheral Virtualization Unit (PVU), which restricts DMA from
     PCIe devices to specific regions of host memory, to the ti,am65
     binding (Jan Kiszka)

  Xilinx NWL PCIe controller driver:

   - Clear bootloader E_ECAM_CONTROL before merging in the new driver
     value to avoid writing invalid values (Jani Nurminen)"

* tag 'pci-v6.18-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (141 commits)
  PCI/AER: Avoid NULL pointer dereference in aer_ratelimit()
  MAINTAINERS: Add entry for ST STM32MP25 PCIe drivers
  PCI: stm32-ep: Add PCIe Endpoint support for STM32MP25
  dt-bindings: PCI: Add STM32MP25 PCIe Endpoint bindings
  PCI: stm32: Add PCIe host support for STM32MP25
  PCI: xilinx-nwl: Fix ECAM programming
  PCI: j721e: Fix incorrect error message in probe()
  PCI: keystone: Use devm_request_irq() to free "ks-pcie-error-irq" on exit
  dt-bindings: PCI: qcom,pcie-x1e80100: Set clocks minItems for the fifth Glymur PCIe Controller
  PCI: dwc: Support 16-lane operation
  PCI: Add lockdep assertion in pci_stop_and_remove_bus_device()
  PCI/IOV: Add PCI rescan-remove locking when enabling/disabling SR-IOV
  PCI: rcar-host: Convert struct rcar_msi mask_lock into raw spinlock
  PCI: tegra194: Rename 'root_bus' to 'root_port_bus' in tegra_pcie_downstream_dev_to_D0()
  PCI: tegra: Convert struct tegra_msi mask_lock into raw spinlock
  PCI: rcar-gen4: Fix inverted break condition in PHY initialization
  PCI: rcar-gen4: Assure reset occurs before DBI access
  PCI: rcar-gen4: Add missing 1ms delay after PWR reset assertion
  PCI: Set up bridge resources earlier
  PCI: rcar-host: Drop PMSR spinlock
  ...
2025-10-06 10:41:03 -07:00
Linus Torvalds
e4c0fdd5af dmaengine updates for v6.18
New support:
   - Intel idxd Wildcat Lake family support
   - SpacemiT K1 PDMA controller support
   - Renesas RZ/G3E family support
 
  Updates:
   - Xilinx shutdown support and dma client properties update
   - Designware edma callback_result support
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Merge tag 'dmaengine-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine

Pull dmaengine updates from Vinod Koul:
 "A couple of new device support and small driver updates for this
  round.

  New support:
   - Intel idxd Wildcat Lake family support
   - SpacemiT K1 PDMA controller support
   - Renesas RZ/G3E family support

  Updates:
   - Xilinx shutdown support and dma client properties update
   - Designware edma callback_result support"

* tag 'dmaengine-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine:
  dt-bindings: dma: rz-dmac: Document RZ/G3E family of SoCs
  dmaengine: dw-edma: Set status for callback_result
  dmaengine: mv_xor: match alloc_wc and free_wc
  dmaengine: mmp_pdma: Add SpacemiT K1 PDMA support with 64-bit addressing
  dmaengine: mmp_pdma: Add operations structure for controller abstraction
  dmaengine: mmp_pdma: Add reset controller support
  dmaengine: mmp_pdma: Add clock support
  dt-bindings: dma: Add SpacemiT K1 PDMA controller
  dt-bindings: dmaengine: xilinx_dma: Remove DMA client properties
  dmaengine: Fix dma_async_tx_descriptor->tx_submit documentation
  dmaengine: xilinx_dma: Support descriptor setup from dma_vecs
  dmaengine: sh: setup_xref error handling
  dmaengine: Replace zero-length array with flexible-array
  dmaengine: ppc4xx: Remove space before newline
  dmaengine: idxd: Add a new IAA device ID for Wildcat Lake family platforms
  dmaengine: idxd: Replace memset(0) + strscpy() with strscpy_pad()
  dt-bindings: dma: nvidia,tegra20-apbdma: Add undocumented compatibles and "clock-names"
  dmaengine: zynqmp_dma: Add shutdown operation support
2025-10-06 10:37:06 -07:00
Linus Torvalds
1d1ba4d390 phy-for-6.18
- New Support
   - Qualcomm SM8750 QMP PCIe PHY dual lane support, PMIV0104 eusb2 repeater
     support, QCS8300 eDP PHY support
   - Renesas RZ/T2H and RZ/N2H support and updates to driver for that
   - TI TCAN1051 phy support
   - Rockchip rk3588 dphy support, RK3528 combphy support
 
 - Updates
   - cadence updates for calibration and polling for ready and enabling of
     lower resolutions, runtime pm support,
   - Rockchip: enable U3 otg port
   - Renesas USXGMII mode support
   - Qualcomm UFS PHY and PLL regulator load support
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Merge tag 'phy-for-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy

Pull phy updates from Vinod Koul:
 "The usual bunch of device support and update to drivers.

  New Support
   - Qualcomm SM8750 QMP PCIe PHY dual lane support, PMIV0104 eusb2
     repeater support, QCS8300 eDP PHY support
   - Renesas RZ/T2H and RZ/N2H support and updates to driver for that
   - TI TCAN1051 phy support
   - Rockchip rk3588 dphy support, RK3528 combphy support

  Updates:
   - cadence updates for calibration and polling for ready and enabling
     of lower resolutions, runtime pm support,
   - Rockchip: enable U3 otg port
   - Renesas USXGMII mode support
   - Qualcomm UFS PHY and PLL regulator load support"

* tag 'phy-for-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (64 commits)
  phy: rockchip: phy-rockchip-inno-csidphy: add support for rk3588 variant
  phy: rockchip: phy-rockchip-inno-csidphy: allow for different reset lines
  phy: rockchip: phy-rockchip-inno-csidphy: allow writes to grf register 0
  dt-bindings: phy: rockchip-inno-csi-dphy: add rk3588 variant
  dt-bindings: phy: rockchip-inno-csi-dphy: make power-domains non-required
  phy: cadence: cdns-dphy: Enable lower resolutions in dphy
  phy: renesas: r8a779f0-ether-serdes: add new step added to latest datasheet
  phy: renesas: r8a779f0-ether-serdes: add USXGMII mode
  phy: sophgo: Add USB 2.0 PHY driver for Sophgo CV18XX/SG200X
  dt-bindings: phy: Add Sophgo CV1800 USB phy
  phy: cadence: cdns-dphy: Update calibration wait time for startup state machine
  phy: cadence: cdns-dphy: Fix PLL lock and O_CMN_READY polling
  phy: renesas: rcar-gen3-usb2: Fix ID check logic with VBUS valid
  dt-bindings: phy: ti,tcan104x-can: Document TI TCAN1051
  phy: lynx-28g: check return value when calling lynx_28g_pll_get
  phy: qcom: m31-eusb2: Fix the error log while enabling clock
  phy: rockchip: usbdp: Remove redundant ternary operators
  phy: renesas: rcar-gen3-usb2: Remove redundant ternary operators
  phy: hisilicon: Remove redundant ternary operators
  phy: qcom-qmp-ufs: Add PHY and PLL regulator load
  ...
2025-10-06 10:34:22 -07:00
Cédric Le Goater
451bb96328 vfio: Dump migration features under debugfs
A debugfs directory was recently added for VFIO devices. Add a new
"features" file under the migration sub-directory to expose which
features the device supports.

Signed-off-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/r/20250918121928.1921871-1-clg@redhat.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2025-10-06 11:22:48 -06:00
Maxime Ripard
507211e3c7 Documentation: dma-buf: heaps: Add naming guidelines
We've discussed a number of times of how some heap names are bad, but
not really what makes a good heap name.

Let's document what we expect the heap names to look like.

Reviewed-by: Andrew Davis <afd@ti.com>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/all/20250728-dma-buf-heap-names-doc-v4-1-f73f71cf0dfd@kernel.org/
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
2025-10-06 22:14:11 +05:30
Chia-I Wu
4b478288ca dt-bindings: gpu: mali-valhall-csf: add MediaTek MT8196 compatible
MediaTek MT8196 has Mali-G925-Immortalis GPU. panthor drm driver gained
support for it recently.

Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Steven Price <steven.price@arm.com>
Link: https://lore.kernel.org/r/20250913002155.1163908-2-olvaffe@gmail.com
2025-10-06 10:50:52 +01:00
Linus Torvalds
4b616669d1 ata changes for 6.18
- Improve the DT bindings documentation for the highbanck, imx and
    xgene-ahci controllers (Krzysztof, Fabio, Rob).
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Merge tag 'ata-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux

Pull ata updates from Damien Le Moal:

 - Improve the DT bindings documentation for the highbanck, imx and
   xgene-ahci controllers (Krzysztof, Fabio, Rob)

* tag 'ata-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
  dt-bindings: ata: apm,xgene-ahci: Add apm,xgene-ahci-v2 support
  dt-bindings: ata: imx: Document 'target-supply'
  dt-bindings: ata: highbank: Minor whitespace cleanup in example
2025-10-05 20:43:01 -07:00
Linus Torvalds
7a405dbb0f Only two patch series in this pull request:
- The 3 patch series "mm/memory_hotplug: fixup crash during uevent
   handling" from Hannes Reinecke which fixes a race which was causing udev
   to trigger a crash in the memory hotplug code.
 
 - The 2 patch series "mm_slot: following fixup for usage of
   mm_slot_entry()" from Wei Yang adds some touchups to the just-merged
   mm_slot changes.
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Merge tag 'mm-stable-2025-10-03-16-49' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull more MM updates from Andrew Morton:
"Only two patch series in this pull request:

   - "mm/memory_hotplug: fixup crash during uevent handling" from Hannes
     Reinecke fixes a race that was causing udev to trigger a crash in
     the memory hotplug code

   - "mm_slot: following fixup for usage of mm_slot_entry()" from Wei
     Yang adds some touchups to the just-merged mm_slot changes"

* tag 'mm-stable-2025-10-03-16-49' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  mm/khugepaged: use KMEM_CACHE()
  mm/ksm: cleanup mm_slot_entry() invocation
  Documentation/mm: drop pxx_mkdevmap() descriptions from page table helpers
  mm: clean up is_guard_pte_marker()
  drivers/base: move memory_block_add_nid() into the caller
  mm/memory_hotplug: activate node before adding new memory blocks
  drivers/base/memory: add node id parameter to add_memory_block()
2025-10-05 12:11:07 -07:00
Rob Herring (Arm)
a6b4f791cd dt-bindings: rtc: Convert apm,xgene-rtc to DT schema
Convert the APM XGene RTC binding to DT schema format. It's a
straight-forward conversion.

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250924222848.2949235-1-robh@kernel.org
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2025-10-05 20:50:29 +02:00
Linus Torvalds
6a74422b97 - switch longson32 platform to DT and use MIPS_GENERIC framework
- cleanups/fixes for lantiq DTs
 - other cleanups and fixes
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Merge tag 'mips_6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS updates from Thomas Bogendoerfer:

 - switch longson32 platform to DT and use MIPS_GENERIC framework

 - cleanups/fixes for lantiq DTs

 - other cleanups and fixes

* tag 'mips_6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (30 commits)
  mips: math-emu: replace deprecated strcpy() in me-debugfs
  MIPS: configs: Consolidate Loongson1 defconfigs
  MIPS: Unify Loongson1 PRID_REV
  MIPS: loongson32: Switch to generic core
  MIPS: loongson: Add built-in DTB support
  MIPS: dts: loongson: Add CQ-T300B board
  MIPS: dts: loongson: Add Smartloong-1C board
  MIPS: dts: loongson: Add LSGZ_1B_DEV board
  MIPS: dts: loongson: Add LS1B-DEMO board
  dt-bindings: mips: loongson: Add LS1B-DEMO and CQ-T300B
  mips: lantiq: danube: rename stp node on EASY50712 reference board
  mips: lantiq: xway: sysctrl: rename stp clock
  MIPS: RB532: Replace deprecated strcpy() with memcpy() and strscpy()
  MIPS: Loongson64: Replace deprecated strcpy() with strscpy_pad()
  MIPS: generic: Replace deprecated strcpy() in ocelot_detect()
  MIPS: octeon: Replace deprecated strcpy() in octeon_model_get_string_buffer()
  MIPS: octeon: Replace memset(0) + deprecated strcpy() with strscpy_pad()
  MIPS: arc: Replace deprecated strcpy() with memcpy()
  MIPS: txx9: Replace deprecated strcpy() with strscpy()
  MIPS: sni: Replace deprecated strcpy() in sni_console_setup()
  ...
2025-10-05 10:09:55 -07:00
Linus Torvalds
742adaa16d OpenRISC updates for 6.18
I picked up one series from Chen Miao, our Google Summer
 of Code contributor:
 
  - Added OpenRISC support for static keys
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Merge tag 'for-linus' of https://github.com/openrisc/linux

Pull OpenRISC updates from Stafford Horne:
 "I picked up one series from Chen Miao, our Google Summer of Code
  contributor, which adds OpenRISC support for static keys"

* tag 'for-linus' of https://github.com/openrisc/linux:
  openrisc: Add jump label support
  openrisc: Regenerate defconfigs.
  openrisc: Add R_OR1K_32_PCREL relocation type module support
  openrisc: Add text patching API support
2025-10-05 10:02:54 -07:00
Linus Torvalds
d9f24f8e60 rtla: Updates for v6.18
- This update is mostly just consolidating code between osnoise/timerlat
   and top/hist for easier maintenance and less future divergence.
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Merge tag 'trace-tools-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull tracing tools updates from Steven Rostedt

 - This is mostly just consolidating code between osnoise/timerlat and
   top/hist for easier maintenance and less future divergence

* tag 'trace-tools-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  tools/rtla: Add remaining support for osnoise actions
  tools/rtla: Add test engine support for unexpected output
  tools/rtla: Fix -A option name in test comment
  tools/rtla: Consolidate code between osnoise/timerlat and hist/top
  tools/rtla: Create common_apply_config()
  tools/rtla: Move top/hist params into common struct
  tools/rtla: Consolidate common parameters into shared structure
2025-10-05 09:38:26 -07:00
Linus Torvalds
6093a688a0 Char/Misc/IIO/Binder changes for 6.18-rc1
Here is the big set of char/misc/iio and other driver subsystem changes
 for 6.18-rc1.  Loads of different stuff in here, it was a busy
 development cycle in lots of different subsystems, with over 27k new
 lines added to the tree.  Included in here are:
   - IIO updates including new drivers, reworking of existing apis, and
     other goodness in the sensor subsystems
   - MEI driver updates and additions
   - NVMEM driver updates
   - slimbus removal for an unused driver and some other minor
     updates
   - coresight driver updates and additions
   - MHI driver updates
   - comedi driver updates and fixes
   - extcon driver updates
   - interconnect driver additions
   - eeprom driver updates and fixes
   - minor UIO driver updates
   - tiny W1 driver updates
 
 But the majority of new code is in the rust bindings and additions,
 which includes:
   - misc driver rust binding updates for read/write support, we can now
     write "normal" misc drivers in rust fully, and the sample driver
     shows how this can be done.
   - Initial framework for USB driver rust bindings, which are disabled
     for now in the build, due to limited support, but coming in through
     this tree due to dependencies on other rust binding changes that
     were in here.  I'll be enabling these back on in the build in the
     usb.git tree after -rc1 is out so that developers can continue to
     work on these in linux-next over the next development cycle.
   - Android Binder driver implemented in Rust.  This is the big one, and
     was driving a huge majority of the rust binding work over the past
     years.  Right now there are 2 binder drivers in the kernel, selected
     only at build time as to which one to use as binder wants to be
     included in the system at boot time.  The binder C maintainers all
     agreed on this, as eventually, they want the C code to be removed from
     the tree, but it will take a few releases to get there while both
     are maintained to ensure that the rust implementation is fully
     stable and compliant with the existing userspace apis.
 
 All of these have been in linux-next for a while, with only minor merge
 issues showing up (you will hit them as well.)  Just accept both sides
 of the merge, it's just some header and include file lines, nothing
 major.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull Char/Misc/IIO/Binder updates from Greg KH:
 "Here is the big set of char/misc/iio and other driver subsystem
  changes for 6.18-rc1.

  Loads of different stuff in here, it was a busy development cycle in
  lots of different subsystems, with over 27k new lines added to the
  tree.

  Included in here are:

   - IIO updates including new drivers, reworking of existing apis, and
     other goodness in the sensor subsystems

   - MEI driver updates and additions

   - NVMEM driver updates

   - slimbus removal for an unused driver and some other minor updates

   - coresight driver updates and additions

   - MHI driver updates

   - comedi driver updates and fixes

   - extcon driver updates

   - interconnect driver additions

   - eeprom driver updates and fixes

   - minor UIO driver updates

   - tiny W1 driver updates

  But the majority of new code is in the rust bindings and additions,
  which includes:

   - misc driver rust binding updates for read/write support, we can now
     write "normal" misc drivers in rust fully, and the sample driver
     shows how this can be done.

   - Initial framework for USB driver rust bindings, which are disabled
     for now in the build, due to limited support, but coming in through
     this tree due to dependencies on other rust binding changes that
     were in here. I'll be enabling these back on in the build in the
     usb.git tree after -rc1 is out so that developers can continue to
     work on these in linux-next over the next development cycle.

   - Android Binder driver implemented in Rust.

     This is the big one, and was driving a huge majority of the rust
     binding work over the past years. Right now there are two binder
     drivers in the kernel, selected only at build time as to which one
     to use as binder wants to be included in the system at boot time.

     The binder C maintainers all agreed on this, as eventually, they
     want the C code to be removed from the tree, but it will take a few
     releases to get there while both are maintained to ensure that the
     rust implementation is fully stable and compliant with the existing
     userspace apis.

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

* tag 'char-misc-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (320 commits)
  rust: usb: keep usb::Device private for now
  rust: usb: don't retain device context for the interface parent
  USB: disable rust bindings from the build for now
  samples: rust: add a USB driver sample
  rust: usb: add basic USB abstractions
  coresight: Add label sysfs node support
  dt-bindings: arm: Add label in the coresight components
  coresight: tnoc: add new AMBA ID to support Trace Noc V2
  coresight: Fix incorrect handling for return value of devm_kzalloc
  coresight: tpda: fix the logic to setup the element size
  coresight: trbe: Return NULL pointer for allocation failures
  coresight: Refactor runtime PM
  coresight: Make clock sequence consistent
  coresight: Refactor driver data allocation
  coresight: Consolidate clock enabling
  coresight: Avoid enable programming clock duplicately
  coresight: Appropriately disable trace bus clocks
  coresight: Appropriately disable programming clocks
  coresight: etm4x: Support atclk
  coresight: catu: Support atclk
  ...
2025-10-04 16:26:32 -07:00
Linus Torvalds
c6006b8ca1 USB/Thunderbolt changes for 6.18-rc1
Here is the big set of USB and thunderbolt drivers for 6.18-rc1.  It was
 another normal development cycle, with lots of the usual drivers getting
 updates:
   - Thunderbolt driver cleanups and additions
   - dwc3 driver updates
   - dwc2 driver updates
   - typec driver updates
   - xhci driver updates and additions
   - offload USB engine updates for better power management
   - unused tracepoint removals
   - usb gadget fixes and updates as more users start to rely on these
     drivers instead of the "old" function gadget drivers
   - new USB device ids
   - other minor driver USB driver updates
   - new USB I/O driver framework and driver additions
 
 The last item, the usb i/o driver, has an i2c and gpio driver added
 through this tree.  Those drivers were acked by the respective subsystem
 maintainers, but you will get a merge conflict with the i2c tree where
 new drivers were added in the same places in a Kconfig and Makefile.
 The merge conflict is simple, just take both sides.
 
 All of these have been in linux-next for a while, with the only issue
 being the i2c tree merge conflicts.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt updates from Greg KH:
 "Here is the big set of USB and thunderbolt drivers for 6.18-rc1. It
  was another normal development cycle, with lots of the usual drivers
  getting updates:

   - Thunderbolt driver cleanups and additions

   - dwc3 driver updates

   - dwc2 driver updates

   - typec driver updates

   - xhci driver updates and additions

   - offload USB engine updates for better power management

   - unused tracepoint removals

   - usb gadget fixes and updates as more users start to rely on these
     drivers instead of the "old" function gadget drivers

   - new USB device ids

   - other minor driver USB driver updates

   - new USB I/O driver framework and driver additions"

  The last item, the usb i/o driver, has an i2c and gpio driver added
  through this tree. Those drivers were acked by the respective
  subsystem maintainers.

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

* tag 'usb-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (132 commits)
  usb: vhci-hcd: Prevent suspending virtually attached devices
  USB: serial: option: add SIMCom 8230C compositions
  thunderbolt: Fix use-after-free in tb_dp_dprx_work
  usb: xhci: align PORTSC trace with one-based port numbering
  usb: xhci: correct indentation for PORTSC tracing function
  usb: xhci: improve TR Dequeue Pointer mask
  usb: xhci-pci: add support for hosts with zero USB3 ports
  usb: xhci: Update a comment about Stop Endpoint retries
  Revert "usb: xhci: Avoid Stop Endpoint retry loop if the endpoint seems Running"
  usb: gadget: f_rndis: Refactor bind path to use __free()
  usb: gadget: f_ecm: Refactor bind path to use __free()
  usb: gadget: f_acm: Refactor bind path to use __free()
  usb: gadget: f_ncm: Refactor bind path to use __free()
  usb: gadget: Introduce free_usb_request helper
  usb: gadget: Store endpoint pointer in usb_request
  usb: host: xhci-rcar: Add Renesas RZ/G3E USB3 Host driver support
  usb: host: xhci-plat: Add .post_resume_quirk for struct xhci_plat_priv
  usb: host: xhci-rcar: Move R-Car reg definitions
  dt-bindings: usb: Document Renesas RZ/G3E USB3HOST
  usb: gadget: f_fs: Fix epfile null pointer access after ep enable.
  ...
2025-10-04 16:07:08 -07:00
Linus Torvalds
5d2f4730bb TTY/Serial update for 6.18-rc1
Here are some small updates for tty/serial drivers for 6.18-rc1.
 
 Not many changes overall, just the usual:
   - abi cleanups and reworking of the tty functions by Jiri by adding
     console lock guard logic
   - 8250_platform driver updates
   - qcom-geni driver updates
   - other minor serial driver updates
   - some more vt escape codes added
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial updates from Greg KH:
 "Here are some small updates for tty/serial drivers for 6.18-rc1.

  Not many changes overall, just the usual:

   - abi cleanups and reworking of the tty functions by Jiri by adding
     console lock guard logic

   - 8250_platform driver updates

   - qcom-geni driver updates

   - other minor serial driver updates

   - some more vt escape codes added

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

* tag 'tty-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (43 commits)
  tty: serial: fix help message for SERIAL_CPM
  serial: 8250: omap: Support wakeup pinctrl state on suspend
  dt-bindings: serial: 8250_omap: Add wakeup pinctrl state
  serial: max310x: improve interrupt handling
  vt: move vc_saved_screen to within tty allocated judgment
  Revert "m68k: make HPDCA and HPAPCI bools"
  tty: remove redundant condition checks
  tty/vt: Add missing return value for VT_RESIZE in vt_ioctl()
  vt: remove redundant check on vc_mode in con_font_set()
  serial: qcom-geni: Add DFS clock mode support to GENI UART driver
  m68k: make HPDCA and HPAPCI bools
  tty: n_gsm: Don't block input queue by waiting MSC
  serial: qcom-geni: Fix off-by-one error in ida_alloc_range()
  serdev: Drop dev_pm_domain_detach() call
  serial: sc16is7xx: drop redundant conversion to bool
  vt: add support for smput/rmput escape codes
  serial: stm32: allow selecting console when the driver is module
  serial: 8250_core: fix coding style issue
  tty: serial: Modify the use of dev_err_probe()
  s390/char/con3270: use tty_port_tty guard()
  ...
2025-10-04 15:57:44 -07:00
Linus Torvalds
cc07b0a3af MTD core:
- Bad blocks increment is skipped if the block is already known
   bad (improves user statistics relevance).
 - Expose the OOB layout via debugfs.
 
 * Raw NAND:
 - Add support for Loongson-2K1000 and Loongson-2K0500 NAND controllers,
   including extra features, such as chip select and 6-byte NAND ID
   reading support.
 - Drop the s3c2410 driver.
 
 * SPI NAND:
 - Important SPI NAND continuous read improvements and fixes.
 - Add support for FudanMicro FM25S01A.
 - Add support for continuous reads in Gigadevice vendor driver.
 
 * ECC:
 - Add support for the Realtek ECC engine.
 
 * SPI NOR:
 
 - Some flashes can't perform reads or writes with start or end being an
   odd number in Octal DTR mode. File systems like UBIFS can request such
   reads or writes, causing the transaction to error out. Pad the read or
   write transactions with extra bytes to avoid this problem.
 
 This PR comes with the usual amount of various miscellaneous fixes.
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Merge tag 'mtd/for-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux

Pull MTD updates from Miquel Raynal:
 "MTD core:
   - Bad blocks increment is skipped if the block is already known bad
     (improves user statistics relevance)
   - Expose the OOB layout via debugfs

  Raw NAND:
   - Add support for Loongson-2K1000 and Loongson-2K0500 NAND
     controllers, including extra features, such as chip select
     and 6-byte NAND ID reading support
   - Drop the s3c2410 driver

  SPI NAND:
   - Important SPI NAND continuous read improvements and fixes
   - Add support for FudanMicro FM25S01A
   - Add support for continuous reads in Gigadevice vendor driver

  ECC:
   - Add support for the Realtek ECC engine

  SPI NOR:

   - Some flashes can't perform reads or writes with start or end being
     an odd number in Octal DTR mode. File systems like UBIFS can
     request such reads or writes, causing the transaction to error out.

     Pad the read or write transactions with extra bytes to avoid this
     problem.

  And the usual amount of various miscellaneous fixes"

* tag 'mtd/for-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (46 commits)
  mtd: rawnand: sunxi: drop unused module alias
  mtd: rawnand: stm32_fmc2: drop unused module alias
  mtd: rawnand: rockchip: drop unused module alias
  mtd: rawnand: pl353: drop unused module alias
  mtd: rawnand: omap2: drop unused module alias
  mtd: rawnand: atmel: drop unused module alias
  mtd: onenand: omap2: drop unused module alias
  mtd: hyperbus: hbmc-am654: drop unused module alias
  mtd: jedec_probe: use struct_size() helper for cfiq allocation
  mtd: cfi: use struct_size() helper for cfiq allocation
  mtd: nand: raw: gpmi: fix clocks when CONFIG_PM=N
  mtd: rawnand: omap2: fix device leak on probe failure
  mtd: rawnand: atmel: Fix error handling path in atmel_nand_controller_add_nands
  mtd: nand: realtek-ecc: Add Realtek external ECC engine support
  dt-bindings: mtd: Add realtek,rtl9301-ecc
  mtd: spinand: repeat reading in regular mode if continuous reading fails
  mtd: spinand: try a regular dirmap if creating a dirmap for continuous reading fails
  mtd: spinand: fix direct mapping creation sizes
  mtd: rawnand: fsmc: Default to autodetect buswidth
  mtd: nand: move nand_check_erased_ecc_chunk() to nand/core
  ...
2025-10-04 15:50:37 -07:00
Linus Torvalds
c35f902cb3 remoteproc updates for v6.18
Enable coredump support for the i.MX HiFi core remoteproc, and clean up
 the i.MX remoteproc driver.
 
 Introduce remoteprocs on the Qualcomm Milos platform. Gracefully shut own
 the ADSP remoteproc when bootloader has loaded the "Lite" firmware on X
 Elite. Improve the resource handover procedure to avoid possibly duplicate
 handling.
 
 Transition the TI DA8xx, TI Keystone, and TI Wakeup M3 remoteproc
 drivers to handle resources using devres.
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Merge tag 'rproc-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux

Pull remoteproc updates from Bjorn Andersson:

 - Enable coredump support for the i.MX HiFi core remoteproc, and clean
   up the i.MX remoteproc driver.

 - Introduce remoteprocs on the Qualcomm Milos platform. Gracefully shut
   own the ADSP remoteproc when bootloader has loaded the "Lite"
   firmware on X Elite. Improve the resource handover procedure to avoid
   possibly duplicate handling.

 - Transition the TI DA8xx, TI Keystone, and TI Wakeup M3 remoteproc
   drivers to handle resources using devres.

* tag 'rproc-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: (29 commits)
  remoteproc: pru: Fix potential NULL pointer dereference in pru_rproc_set_ctable()
  remoteproc: qcom: pas: Drop redundant assignment to ret
  remoteproc: qcom: pas: Shutdown lite ADSP DTB on X1E
  remoteproc: qcom: q6v5: Avoid handling handover twice
  remoteproc: qcom: q6v5: Avoid disabling handover IRQ twice
  remoteproc: qcom: pas: Add Milos remoteproc support
  dt-bindings: remoteproc: qcom,milos-pas: Document remoteprocs
  remoteproc: qcom_q6v5_mss: support loading MBN file on msm8974
  remoteproc: imx_rproc: Clean up after ops introduction
  remoteproc: imx_rproc: Simplify IMX_RPROC_SMC switch case
  remoteproc: imx_rproc: Simplify IMX_RPROC_SCU_API switch case
  remoteproc: imx_rproc: Simplify IMX_RPROC_MMIO switch case
  remoteproc: imx_rproc: Move imx_rproc_dcfg closer to imx_rproc_of_match
  remoteproc: imx_rproc: Introduce start/stop/detect_mode ops for imx_rproc_dcfg
  remoteproc: k3: Correctly release some resources allocated in k3_rproc_request_mbox()
  remoteproc: wkup_m3: Use devm_rproc_add() helper
  remoteproc: wkup_m3: Use devm_rproc_alloc() helper
  remoteproc: wkup_m3: Use devm action to call PM runtime put sync
  remoteproc: wkup_m3: Use devm_pm_runtime_enable() helper
  remoteproc: keystone: Use devm_rproc_add() helper
  ...
2025-10-04 15:45:17 -07:00
Linus Torvalds
54ba6d9b13 hid-for-linus-2025093001
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Merge tag 'hid-for-linus-2025093001' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid

Pull HID updates from Benjamin Tissoires:

 - haptic touchpad support (Angela Czubak and Jonathan Denose)

 - support for audio jack handling on DualSense Playstation controllers
   (Cristian Ciocaltea)

 - allow HID-BPF to rebind a driver to hid-multitouch (Benjamin
   Tissoires)

 - rework hidraw ioctls to make them safer (and tested) (Benjamin
   Tissoires)

 - various PIDFF and universal-PIDFF fixes/improvements (Tomasz Pakuła)

 - better configuration of Intel QuickI2C through ACPI (Xinpeng Sun)

 - other assorted cleanups and fixes

* tag 'hid-for-linus-2025093001' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (58 commits)
  HID: playstation: Switch to scoped_guard() in {dualsense|dualshock4}_output_worker()
  HID: playstation: Silence sparse warnings for locking context imbalances
  HID: playstation: Update SP preamp gain comment line
  HID: intel-thc-hid: intel-quicki2c: support ACPI config for advanced features
  HID: core: Change hid_driver to use a const char* for name
  HID: hidraw: tighten ioctl command parsing
  selftests/hid: hidraw: forge wrong ioctls and tests them
  selftests/hid: hidraw: add more coverage for hidraw ioctls
  selftests/hid: update vmtest.sh for virtme-ng
  HID: playstation: Support DualSense audio jack event reporting
  HID: playstation: Support DualSense audio jack hotplug detection
  HID: playstation: Redefine DualSense input report status field
  HID: playstation: Prefer kzalloc(sizeof(*buf)...)
  HID: playstation: Document spinlock_t usage
  HID: playstation: Fix all alignment and line length issues
  HID: playstation: Correct spelling in comment sections
  HID: playstation: Replace uint{32,16,8}_t with u{32,16,8}
  HID: playstation: Simplify locking with guard() and scoped_guard()
  HID: playstation: Add spaces around arithmetic operators
  HID: playstation: Make use of bitfield macros
  ...
2025-10-04 15:38:04 -07:00