Commit Graph

1302 Commits

Author SHA1 Message Date
Linus Torvalds
be3ca57cfb media updates for v6.7-rc1
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Merge tag 'media/v6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - the old V4L2 core videobuf kAPI was finally removed. All media
   drivers should now be using VB2 kAPI

 - new automotive driver: mgb4

 - new platform video driver: npcm-video

 - new sensor driver: mt9m114

 - new TI driver used in conjunction with Cadence CSI2RX IP to bridge
   TI-specific parts

 - ir-rx51 was removed and the N900 DT binding was moved to the
   pwm-ir-tx generic driver

 - drop atomisp-specific ov5693, using the upstream driver instead

 - the camss driver has gained RDI3 support for VFE 17x

 - the atomisp driver now detects ISP2400 or ISP2401 at run time. No
   need to set it up at build time anymore

 - lots of driver fixes, cleanups and improvements

* tag 'media/v6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (377 commits)
  media: nuvoton: VIDEO_NPCM_VCD_ECE should depend on ARCH_NPCM
  media: venus: Fix firmware path for resources
  media: venus: hfi_cmds: Replace one-element array with flex-array member and use __counted_by
  media: venus: hfi_parser: Add check to keep the number of codecs within range
  media: venus: hfi: add checks to handle capabilities from firmware
  media: venus: hfi: fix the check to handle session buffer requirement
  media: venus: hfi: add checks to perform sanity on queue pointers
  media: platform: cadence: select MIPI_DPHY dependency
  media: MAINTAINERS: Fix path for J721E CSI2RX bindings
  media: cec: meson: always include meson sub-directory in Makefile
  media: videobuf2: Fix IS_ERR checking in vb2_dc_put_userptr()
  media: platform: mtk-mdp3: fix uninitialized variable in mdp_path_config()
  media: mediatek: vcodec: using encoder device to alloc/free encoder memory
  media: imx-jpeg: notify source chagne event when the first picture parsed
  media: cx231xx: Use EP5_BUF_SIZE macro
  media: siano: Drop unnecessary error check for debugfs_create_dir/file()
  media: mediatek: vcodec: Handle invalid encoder vsi
  media: aspeed: Drop unnecessary error check for debugfs_create_file()
  Documentation: media: buffer.rst: fix V4L2_BUF_FLAG_PREPARED
  Documentation: media: gen-errors.rst: fix confusing ENOTTY description
  ...
2023-11-06 15:06:06 -08:00
Linus Torvalds
1c41041124 I3C for 6.7
Core:
  - handle IBI in the proper order
 
 Drivers:
  - cdns: fix status register access
  - mipi-i3c-hci: many fixes now that the driver has been actually tested
  - svc: many IBI fixes, correct compatible string, fix hot join corner cases
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Merge tag 'i3c/for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux

Pull i3c updates from Alexandre Belloni:
 "There are now more fixes because as stated in my previous pull
  request, people now have access to actual hardware.

  Core:

   - handle IBI in the proper order

  Drivers:

   - cdns: fix status register access

   - mipi-i3c-hci: many fixes now that the driver has been actually
     tested

   - svc: many IBI fixes, correct compatible string, fix hot join corner
     cases"

* tag 'i3c/for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux: (29 commits)
  i3c: master: handle IBIs in order they came
  i3c: master: mipi-i3c-hci: Fix a kernel panic for accessing DAT_data.
  i3c: master: svc: fix compatibility string mismatch with binding doc
  i3c: master: svc: fix random hot join failure since timeout error
  i3c: master: svc: fix SDA keep low when polling IBIWON timeout happen
  i3c: master: svc: fix check wrong status register in irq handler
  i3c: master: svc: fix ibi may not return mandatory data byte
  i3c: master: svc: fix wrong data return when IBI happen during start frame
  i3c: master: svc: fix race condition in ibi work thread
  i3c: Fix typo "Provisional ID" to "Provisioned ID"
  i3c: Fix potential refcount leak in i3c_master_register_new_i3c_devs
  i3c: mipi-i3c-hci: Resume controller after aborted transfer
  i3c: mipi-i3c-hci: Resume controller explicitly
  i3c: mipi-i3c-hci: Fix missing xfer->completion in hci_cmd_v1_daa()
  i3c: mipi-i3c-hci: Do not unmap region not mapped for transfer
  i3c: mipi-i3c-hci: Set number of SW enabled Ring Bundles earlier
  i3c: mipi-i3c-hci: Fix race between bus cleanup and interrupt
  i3c: mipi-i3c-hci: Set ring start request together with enable
  i3c: mipi-i3c-hci: Remove BUG() when Ring Abort request times out
  i3c: mipi-i3c-hci: Fix out of bounds access in hci_dma_irq_handler
  ...
2023-11-04 16:25:36 -10:00
Linus Torvalds
2c40c1c6ad USB/Thunderbolt changes for 6.7-rc1
Here is the "big" set of USB and Thunderbolt changes for 6.7-rc1.
 Nothing really major in here, just lots of constant development for new
 hardware.  Included in here are:
   - Thunderbolt (i.e. USB4) fixes for reported issues and support for
     new hardware types and devices
   - USB typec additions of new drivers and cleanups for some existing
     ones
   - xhci cleanups and expanded tracing support and some platform
     specific updates
   - USB "La Jolla Cove Adapter (LJCA)" support added, and the gpio, spi,
     and i2c drivers for that type of device (all acked by the respective
     subsystem maintainers.)
   - lots of USB gadget driver updates and cleanups
   - new USB dwc3 platforms supported, as well as other dwc3 fixes and
     cleanups
   - USB chipidea driver updates
   - other smaller driver cleanups and additions, full details in the
     shortlog
 
 All of these have been in the linux-next tree for a while with no
 reported problems, EXCEPT for some merge conflicts that you will run
 into in your tree.  2 of them are in device-tree files, which will be
 trivial to resolve (accept both sides), and the last in the
 drivers/gpio/gpio-ljca.c file, in the remove callback, resolution should
 be pretty trivial (take the version in this branch), see here:
 	https://lore.kernel.org/all/20231016134159.11d8f849@canb.auug.org.au/
 for details, or I can provide a resolved merge point if needed.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB/Thunderbolt updates from Greg KH:
 "Here is the "big" set of USB and Thunderbolt changes for 6.7-rc1.
  Nothing really major in here, just lots of constant development for
  new hardware. Included in here are:

   - Thunderbolt (i.e. USB4) fixes for reported issues and support for
     new hardware types and devices

   - USB typec additions of new drivers and cleanups for some existing
     ones

   - xhci cleanups and expanded tracing support and some platform
     specific updates

   - USB "La Jolla Cove Adapter (LJCA)" support added, and the gpio,
     spi, and i2c drivers for that type of device (all acked by the
     respective subsystem maintainers.)

   - lots of USB gadget driver updates and cleanups

   - new USB dwc3 platforms supported, as well as other dwc3 fixes and
     cleanups

   - USB chipidea driver updates

   - other smaller driver cleanups and additions, full details in the
     shortlog

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

* tag 'usb-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (167 commits)
  usb: gadget: uvc: Add missing initialization of ssp config descriptor
  usb: storage: set 1.50 as the lower bcdDevice for older "Super Top" compatibility
  usb: raw-gadget: report suspend, resume, reset, and disconnect events
  usb: raw-gadget: don't disable device if usb_ep_queue fails
  usb: raw-gadget: properly handle interrupted requests
  usb:cdnsp: remove TRB_FLUSH_ENDPOINT command
  usb: gadget: aspeed_udc: Convert to platform remove callback returning void
  dt-bindings: usb: fsa4480: Add compatible for OCP96011
  usb: typec: fsa4480: Add support to swap SBU orientation
  dt-bindings: usb: fsa4480: Add data-lanes property to endpoint
  usb: typec: tcpm: Fix NULL pointer dereference in tcpm_pd_svdm()
  Revert "dt-bindings: usb: Add bindings for multiport properties on DWC3 controller"
  Revert "dt-bindings: usb: qcom,dwc3: Add bindings for SC8280 Multiport"
  thunderbolt: Fix one kernel-doc comment
  usb: gadget: f_ncm: Always set current gadget in ncm_bind()
  usb: core: Remove duplicated check in usb_hub_create_port_device
  usb: typec: tcpm: Add additional checks for contaminant
  arm64: dts: rockchip: rk3588s: Add USB3 host controller
  usb: dwc3: add optional PHY interface clocks
  dt-bindings: usb: add rk3588 compatible to rockchip,dwc3
  ...
2023-11-03 16:00:42 -10:00
Linus Torvalds
1f24458a10 TTY/Serial changes for 6.7-rc1
Here is the big set of tty/serial driver changes for 6.7-rc1.  Included
 in here are:
   - console/vgacon cleanups and removals from Arnd
   - tty core and n_tty cleanups from Jiri
   - lots of 8250 driver updates and cleanups
   - sc16is7xx serial driver updates
   - dt binding updates
   - first set of port lock wrapers from Thomas for the printk fixes
     coming in future releases
   - other small serial and tty core cleanups and updates
 
 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-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty and serial updates from Greg KH:
 "Here is the big set of tty/serial driver changes for 6.7-rc1. Included
  in here are:

   - console/vgacon cleanups and removals from Arnd

   - tty core and n_tty cleanups from Jiri

   - lots of 8250 driver updates and cleanups

   - sc16is7xx serial driver updates

   - dt binding updates

   - first set of port lock wrapers from Thomas for the printk fixes
     coming in future releases

   - other small serial and tty core cleanups and updates

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

* tag 'tty-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (193 commits)
  serdev: Replace custom code with device_match_acpi_handle()
  serdev: Simplify devm_serdev_device_open() function
  serdev: Make use of device_set_node()
  tty: n_gsm: add copyright Siemens Mobility GmbH
  tty: n_gsm: fix race condition in status line change on dead connections
  serial: core: Fix runtime PM handling for pending tx
  vgacon: fix mips/sibyte build regression
  dt-bindings: serial: drop unsupported samsung bindings
  tty: serial: samsung: drop earlycon support for unsupported platforms
  tty: 8250: Add note for PX-835
  tty: 8250: Fix IS-200 PCI ID comment
  tty: 8250: Add Brainboxes Oxford Semiconductor-based quirks
  tty: 8250: Add support for Intashield IX cards
  tty: 8250: Add support for additional Brainboxes PX cards
  tty: 8250: Fix up PX-803/PX-857
  tty: 8250: Fix port count of PX-257
  tty: 8250: Add support for Intashield IS-100
  tty: 8250: Add support for Brainboxes UP cards
  tty: 8250: Add support for additional Brainboxes UC cards
  tty: 8250: Remove UC-257 and UC-431
  ...
2023-11-03 15:44:25 -10:00
Linus Torvalds
babe393974 The number of commits for documentation is not huge this time around, but
there are some significant changes nonetheless:
 
 - Some more Spanish-language and Chinese translations.
 
 - The much-discussed documentation of the confidential-computing threat
   model.
 
 - Powerpc and RISCV documentation move under Documentation/arch - these
   complete this particular bit of documentation churn.
 
 - A large traditional-Chinese documentation update.
 
 - A new document on backporting and conflict resolution.
 
 - Some kernel-doc and Sphinx fixes.
 
 Plus the usual smattering of smaller updates and typo fixes.
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Merge tag 'docs-6.7' of git://git.lwn.net/linux

Pull documentation updates from Jonathan Corbet:
 "The number of commits for documentation is not huge this time around,
  but there are some significant changes nonetheless:

   - Some more Spanish-language and Chinese translations

   - The much-discussed documentation of the confidential-computing
     threat model

   - Powerpc and RISCV documentation move under Documentation/arch -
     these complete this particular bit of documentation churn

   - A large traditional-Chinese documentation update

   - A new document on backporting and conflict resolution

   - Some kernel-doc and Sphinx fixes

  Plus the usual smattering of smaller updates and typo fixes"

* tag 'docs-6.7' of git://git.lwn.net/linux: (40 commits)
  scripts/kernel-doc: Fix the regex for matching -Werror flag
  docs: backporting: address feedback
  Documentation: driver-api: pps: Update PPS generator documentation
  speakup: Document USB support
  doc: blk-ioprio: Bring the doc in line with the implementation
  docs: usb: fix reference to nonexistent file in UVC Gadget
  docs: doc-guide: mention 'make refcheckdocs'
  Documentation: fix typo in dynamic-debug howto
  scripts/kernel-doc: match -Werror flag strictly
  Documentation/sphinx: Remove the repeated word "the" in comments.
  docs: sparse: add SPDX-License-Identifier
  docs/zh_CN: Add subsystem-apis Chinese translation
  docs/zh_TW: update contents for zh_TW
  docs: submitting-patches: encourage direct notifications to commenters
  docs: add backporting and conflict resolution document
  docs: move riscv under arch
  docs: update link to powerpc/vmemmap_dedup.rst
  mm/memory-hotplug: fix typo in documentation
  docs: move powerpc under arch
  PCI: Update the devres documentation regarding to pcim_*()
  ...
2023-11-01 17:11:41 -10:00
Linus Torvalds
7d461b291e drm for 6.7-rc1
kernel:
 - add initial vmemdup-user-array
 
 core:
 - fix platform remove() to return void
 - drm_file owner updated to reflect owner
 - move size calcs to drm buddy allocator
 - let GPUVM build as a module
 - allow variable number of run-queues in scheduler
 
 edid:
 - handle bad h/v sync_end in EDIDs
 
 panfrost:
 - add Boris as maintainer
 
 fbdev:
 - use fb_ops helpers more
 - only allow logo use from fbcon
 - rename fb_pgproto to pgprot_framebuffer
 - add HPD state to drm_connector_oob_hotplug_event
 - convert to fbdev i/o mem helpers
 
 i915:
 - Enable meteorlake by default
 - Early Xe2 LPD/Lunarlake display enablement
 - Rework subplatforms into IP version checks
 - GuC based TLB invalidation for Meteorlake
 - Display rework for future Xe driver integration
 - LNL FBC features
 - LNL display feature capability reads
 - update recommended fw versions for DG2+
 - drop fastboot module parameter
 - added deviceid for Arrowlake-S
 - drop preproduction workarounds
 - don't disable preemption for resets
 - cleanup inlines in headers
 - PXP firmware loading fix
 - Fix sg list lengths
 - DSC PPS state readout/verification
 - Add more RPL P/U PCI IDs
 - Add new DG2-G12 stepping
 - DP enhanced framing support to state checker
 - Improve shared link bandwidth management
 - stop using GEM macros in display code
 - refactor related code into display code
 - locally enable W=1 warnings
 - remove PSR watchdog timers on LNL
 
 amdgpu:
 - RAS/FRU EEPROM updatse
 - IP discovery updatses
 - GC 11.5 support
 - DCN 3.5 support
 - VPE 6.1 support
 - NBIO 7.11 support
 - DML2 support
 - lots of IP updates
 - use flexible arrays for bo list handling
 - W=1 fixes
 - Enable seamless boot in more cases
 - Enable context type property for HDMI
 - Rework GPUVM TLB flushing
 - VCN IB start/size alignment fixes
 
 amdkfd:
 - GC 10/11 fixes
 - GC 11.5 support
 - use partial migration in GPU faults
 
 radeon:
 - W=1 Fixes
 - fix some possible buffer overflow/NULL derefs
 nouveau:
 - update uapi for NO_PREFETCH
 - scheduler/fence fixes
 - rework suspend/resume for GSP-RM
 - rework display in preparation for GSP-RM
 
 habanalabs:
 - uapi: expose tsc clock
 - uapi: block access to eventfd through control device
 - uapi: force dma-buf export to PAGE_SIZE alignments
 - complete move to accel subsystem
 - move firmware interface include files
 - perform hard reset on PCIe AXI drain event
 - optimise user interrupt handling
 
 msm:
 - DP: use existing helpers for DPCD
 - DPU: interrupts reworked
 - gpu: a7xx (a730/a740) support
 - decouple msm_drv from kms for headless devices
 
 mediatek:
 - MT8188 dsi/dp/edp support
 - DDP GAMMA - 12 bit LUT support
 - connector dynamic selection capability
 
 rockchip:
 - rv1126 mipi-dsi/vop support
 - add planar formats
 
 ast:
 - rename constants
 
 panels:
 - Mitsubishi AA084XE01
 - JDI LPM102A188A
 - LTK050H3148W-CTA6
 
 ivpu:
 - power management fixes
 
 qaic:
 - add detach slice bo api
 
 komeda:
 - add NV12 writeback
 
 tegra:
 - support NVSYNC/NHSYNC
 - host1x suspend fixes
 
 ili9882t:
 - separate into own driver
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Merge tag 'drm-next-2023-10-31-1' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "Highlights:
   - AMD adds some more upcoming HW platforms
   - Intel made Meteorlake stable and started adding Lunarlake
   - nouveau has a bunch of display rework in prepartion for the NVIDIA
     GSP firmware support
   - msm adds a7xx support
   - habanalabs has finished migration to accel subsystem

  Detail summary:

  kernel:
   - add initial vmemdup-user-array

  core:
   - fix platform remove() to return void
   - drm_file owner updated to reflect owner
   - move size calcs to drm buddy allocator
   - let GPUVM build as a module
   - allow variable number of run-queues in scheduler

  edid:
   - handle bad h/v sync_end in EDIDs

  panfrost:
   - add Boris as maintainer

  fbdev:
   - use fb_ops helpers more
   - only allow logo use from fbcon
   - rename fb_pgproto to pgprot_framebuffer
   - add HPD state to drm_connector_oob_hotplug_event
   - convert to fbdev i/o mem helpers

  i915:
   - Enable meteorlake by default
   - Early Xe2 LPD/Lunarlake display enablement
   - Rework subplatforms into IP version checks
   - GuC based TLB invalidation for Meteorlake
   - Display rework for future Xe driver integration
   - LNL FBC features
   - LNL display feature capability reads
   - update recommended fw versions for DG2+
   - drop fastboot module parameter
   - added deviceid for Arrowlake-S
   - drop preproduction workarounds
   - don't disable preemption for resets
   - cleanup inlines in headers
   - PXP firmware loading fix
   - Fix sg list lengths
   - DSC PPS state readout/verification
   - Add more RPL P/U PCI IDs
   - Add new DG2-G12 stepping
   - DP enhanced framing support to state checker
   - Improve shared link bandwidth management
   - stop using GEM macros in display code
   - refactor related code into display code
   - locally enable W=1 warnings
   - remove PSR watchdog timers on LNL

  amdgpu:
   - RAS/FRU EEPROM updatse
   - IP discovery updatses
   - GC 11.5 support
   - DCN 3.5 support
   - VPE 6.1 support
   - NBIO 7.11 support
   - DML2 support
   - lots of IP updates
   - use flexible arrays for bo list handling
   - W=1 fixes
   - Enable seamless boot in more cases
   - Enable context type property for HDMI
   - Rework GPUVM TLB flushing
   - VCN IB start/size alignment fixes

  amdkfd:
   - GC 10/11 fixes
   - GC 11.5 support
   - use partial migration in GPU faults

  radeon:
   - W=1 Fixes
   - fix some possible buffer overflow/NULL derefs

  nouveau:
   - update uapi for NO_PREFETCH
   - scheduler/fence fixes
   - rework suspend/resume for GSP-RM
   - rework display in preparation for GSP-RM

  habanalabs:
   - uapi: expose tsc clock
   - uapi: block access to eventfd through control device
   - uapi: force dma-buf export to PAGE_SIZE alignments
   - complete move to accel subsystem
   - move firmware interface include files
   - perform hard reset on PCIe AXI drain event
   - optimise user interrupt handling

  msm:
   - DP: use existing helpers for DPCD
   - DPU: interrupts reworked
   - gpu: a7xx (a730/a740) support
   - decouple msm_drv from kms for headless devices

  mediatek:
   - MT8188 dsi/dp/edp support
   - DDP GAMMA - 12 bit LUT support
   - connector dynamic selection capability

  rockchip:
   - rv1126 mipi-dsi/vop support
   - add planar formats

  ast:
   - rename constants

  panels:
   - Mitsubishi AA084XE01
   - JDI LPM102A188A
   - LTK050H3148W-CTA6

  ivpu:
   - power management fixes

  qaic:
   - add detach slice bo api

  komeda:
   - add NV12 writeback

  tegra:
   - support NVSYNC/NHSYNC
   - host1x suspend fixes

  ili9882t:
   - separate into own driver"

* tag 'drm-next-2023-10-31-1' of git://anongit.freedesktop.org/drm/drm: (1803 commits)
  drm/amdgpu: Remove unused variables from amdgpu_show_fdinfo
  drm/amdgpu: Remove duplicate fdinfo fields
  drm/amd/amdgpu: avoid to disable gfxhub interrupt when driver is unloaded
  drm/amdgpu: Add EXT_COHERENT support for APU and NUMA systems
  drm/amdgpu: Retrieve CE count from ce_count_lo_chip in EccInfo table
  drm/amdgpu: Identify data parity error corrected in replay mode
  drm/amdgpu: Fix typo in IP discovery parsing
  drm/amd/display: fix S/G display enablement
  drm/amdxcp: fix amdxcp unloads incompletely
  drm/amd/amdgpu: fix the GPU power print error in pm info
  drm/amdgpu: Use pcie domain of xcc acpi objects
  drm/amd: check num of link levels when update pcie param
  drm/amdgpu: Add a read to GFX v9.4.3 ring test
  drm/amd/pm: call smu_cmn_get_smc_version in is_mode1_reset_supported.
  drm/amdgpu: get RAS poison status from DF v4_6_2
  drm/amdgpu: Use discovery table's subrevision
  drm/amd/display: 3.2.256
  drm/amd/display: add interface to query SubVP status
  drm/amd/display: Read before writing Backlight Mode Set Register
  drm/amd/display: Disable SYMCLK32_SE RCO on DCN314
  ...
2023-11-01 06:28:35 -10:00
Linus Torvalds
b05ddad009 gpio updates for v6.7-rc1
GPIOLIB core:
 - provide interfaces allowing users to retrieve, manage and query the
   reference counted GPIO device instead of accessing the private gpio_chip
   structure
 - replace gpiochip_find() with gpio_device_find()
 - remove unused acpi_get_and_request_gpiod()
 - improve the ignore_interrupt functionality in GPIO ACPI
 - correct notifier return codes in gpiolib-of
 - unexport gpiod_set_transitory() as it's unused outside of core GPIO code
 - while there are still external users accessing struct gpio_chip, let's
   make gpiochip_get_desc() public so that they at least use the preferred
   helper
 - improve locking for lookup tables
 - annotate struct linereq with __counted_by
 - improve GPIOLIB docs
 - add an OF quirk for LED trigger sources
 
 Driver improvements:
 - convert all GPIO drivers with .remove() callbacks to using the new
   variant returning void instead of int
 - stop accessing the GPIOLIB private structures in gpio-mockup,
   i2c-mux-gpio, hte-tegra194, gpio-sim
 - use the recommended pattern for autofree variables in gpio-sim
 - add support for more models to gpio-loongson
 - use a notifier chain to notify other blocks about interrupts in
   gpio-eic-sprd instead of looking up GPIO devices on every interrupt
 - convert gpio-pca953x and gpio-fx6408 to using the maple tree regmap
   cache
 - don't include GPIOLIB internal headers in drivers which don't need them
 - move the ingenic NAND quirk into gpiolib-of
 - add an ignore interrupt quirk for Peaq C1010
 - drop static GPIO base from gpio-omap, gpio-f7188x
 - use the preferred device_get_match_data() function in drivers that still
   don't
 - refactor gpio-pca953x: switch to using DEFINE_SIMPLE_DEV_PM_OPS(), use
   cleanup helpers, use dev_err_probe() where it makes sense, fully convert
   to using devres and some other minor tweaks
 
 DT bindings:
 - add support for a new model to gpio-vf610 and update existing properties
 - add support for more loongson models
 - add missing support for imx models that are used but undocumented
 - convert bindings for Intel IXP4xx to schema
 
 Minor stuff:
 - deprecate gpio-mockup in favor of gpio-sim
 - include missing headers here and there
 - stop using gpiochip_find() in OMAP1 board files
 - minor tweaks in gpio-vf610, gpio-hisi
 - remove unneeded 'extern' specifiers from headers
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Merge tag 'gpio-updates-for-v6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio updates from Bartosz Golaszewski:
 "We don't have any new drivers. The loongson driver is getting extended
  with support for new models. There's a big refactor of gpio-pca953x
  and many small improvements to others.

  The GPIO code in the kernel has acquired a lot of cruft over the years
  as well as many abusers of the API across the kernel tree. This
  release cycle we have started a major cleanup and improvement effort
  that will most likely span several releases. We have started by
  converting external users of struct gpio_chip to accessing the wrapper
  around it - struct gpio_device. This is because the latter is
  reference counted while the former is removed when the provider is
  unbound. We also removed several instances of drivers accessing
  private GPIOLIB structures and including the private header from
  drivers/gpio/.

  To that end you'll see several commits aimed at different subsystems
  (acked by relevant maintainers) as well as two merges from the
  x86/platform tree.

  We'll then rework the locking in GPIOLIB which currently uses a big
  spinlock for many different things and could use becoming more
  fine-grained, especially as it doesn't even get the locking right.
  We'll also use SRCU for protecting the gpio_chip pointer against
  in-kernel hot-unplug crashes similar to what we saw triggered from
  user-space and fixed with semaphores in gpiolib-cdev. The core GPIOLIB
  is still vulnerable to these use-cases. I'm just mentioning the plans
  here, this is not part of this PR.

  You'll see some new instances of using __free(). We've added a
  gpio_device_put cleanup helper similar to the put_device one
  introduced by Peter Zijlstra and used it according to the preferred
  pattern except where it didn't make sense.

  GPIOLIB core:
   - provide interfaces allowing users to retrieve, manage and query the
     reference counted GPIO device instead of accessing the private
     gpio_chip structure
   - replace gpiochip_find() with gpio_device_find()
   - remove unused acpi_get_and_request_gpiod()
   - improve the ignore_interrupt functionality in GPIO ACPI
   - correct notifier return codes in gpiolib-of
   - unexport gpiod_set_transitory() as it's unused outside of core GPIO
     code
   - while there are still external users accessing struct gpio_chip,
     let's make gpiochip_get_desc() public so that they at least use the
     preferred helper
   - improve locking for lookup tables
   - annotate struct linereq with __counted_by
   - improve GPIOLIB docs
   - add an OF quirk for LED trigger sources

  Driver improvements:
   - convert all GPIO drivers with .remove() callbacks to using the new
     variant returning void instead of int
   - stop accessing the GPIOLIB private structures in gpio-mockup,
     i2c-mux-gpio, hte-tegra194, gpio-sim
   - use the recommended pattern for autofree variables in gpio-sim
   - add support for more models to gpio-loongson
   - use a notifier chain to notify other blocks about interrupts in
     gpio-eic-sprd instead of looking up GPIO devices on every interrupt
   - convert gpio-pca953x and gpio-fx6408 to using the maple tree regmap
     cache
   - don't include GPIOLIB internal headers in drivers which don't need
     them
   - move the ingenic NAND quirk into gpiolib-of
   - add an ignore interrupt quirk for Peaq C1010
   - drop static GPIO base from gpio-omap, gpio-f7188x
   - use the preferred device_get_match_data() function in drivers that
     still don't
   - refactor gpio-pca953x: switch to using DEFINE_SIMPLE_DEV_PM_OPS(),
     use cleanup helpers, use dev_err_probe() where it makes sense,
     fully convert to using devres and some other minor tweaks

  DT bindings:
   - add support for a new model to gpio-vf610 and update existing
     properties
   - add support for more loongson models
   - add missing support for imx models that are used but undocumented
   - convert bindings for Intel IXP4xx to schema

  Minor stuff:
   - deprecate gpio-mockup in favor of gpio-sim
   - include missing headers here and there
   - stop using gpiochip_find() in OMAP1 board files
   - minor tweaks in gpio-vf610, gpio-hisi
   - remove unneeded 'extern' specifiers from headers"

* tag 'gpio-updates-for-v6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (108 commits)
  hte: tegra194: add GPIOLIB dependency
  hte: tegra194: don't access struct gpio_chip
  gpiolib: provide gpio_device_get_base()
  i2c: mux: gpio: don't fiddle with GPIOLIB internals
  gpiolib: provide gpiod_to_gpio_device()
  gpiolib: provide gpio_device_to_device()
  gpio: hisi: Fix format specifier
  gpiolib: provide gpio_device_find_by_fwnode()
  gpio: acpi: remove acpi_get_and_request_gpiod()
  gpio: Use device_get_match_data()
  gpio: vf610: update comment for i.MX8ULP and i.MX93 legacy compatibles
  platform/x86: int3472: Switch to devm_get_gpiod()
  platform/x86: int3472: Stop using gpiod_toggle_active_low()
  platform/x86: int3472: Add new skl_int3472_gpiod_get_from_temp_lookup() helper
  platform/x86: int3472: Add new skl_int3472_fill_gpiod_lookup() helper
  gpio: vf610: simplify code by dropping data check
  gpio: vf610: add i.MX8ULP of_device_id entry
  dt-bindings: gpio: vf610: add i.MX95 compatible
  dt-bindings: gpio: vf610: correct i.MX8ULP and i.MX93
  dt-bindings: gpio: vf610: update gpio-ranges
  ...
2023-10-31 17:21:54 -10:00
Linus Torvalds
4ac4677fdb Thermal control updates for 6.7-rc1
- Untangle the initialization and updates of passive and active trip
    points in the ACPI thermal driver (Rafael Wysocki).
 
  - Reduce code duplication related to the initialization and updates
    of trip points in the ACPI thermal driver (Rafael Wysocki).
 
  - Use trip pointers for cooling device binding in the ACPI thermal
    driver (Rafael Wysocki).
 
  - Simplify critical and hot trips representation in the ACPI thermal
    driver (Rafael Wysocki).
 
  - Use trip pointers in thermal governors and in the related part of
    the thermal core (Rafael Wysocki).
 
  - Drop the trips_disabled bitmask that has become redundant from the
    thermal core (Rafael Wysocki).
 
  - Avoid updating trip points when the thermal zone temperature falls
    into a trip point's hysteresis range (ícolas F. R. A. Prado).
 
  - Add power floor notifications support to the int340x thermal control
    driver (Srinivas Pandruvada).
 
  - Rework updating trip points in the int340x thermal driver so that it
    does not access thermal zone internals directly (Rafael Wysocki).
 
  - Use param_get_byte() instead of param_get_int() as the max_idle module
    parameter .get() callback in the Intel powerclamp thermal driver to
    avoid possible out-of-bounds access (David Arcari).
 
  - Add workload hints support to the int340x thermal driver (Srinivas
    Pandruvada).
 
  - Add support for Mediatek LVTS MT8192 along with suspend/resume
    routines (Balsam Chihi).
 
  - Fix probe for THERMAL_V2 in the Mediatek LVTS driver (Markus
    Schneider-Pargmann).
 
  - Remove duplicate error message from the max76620 driver when
    thermal_of_zone_register() fails (Thierry Reding).
 
  - Add i.MX7D compatible bindings to fix a warning from dtbs_check for
    the imx6ul platform (Alexander Stein).
 
  - Add sa8775p compatible to the QCom tsens driver (Priyansh Jain).
 
  - Fix error check in lvts_debugfs_init() to be against PTR_ERR() in the
    LVTS Mediatek driver (Minjie Du).
 
  - Remove unused variable in thermal/tools (Kuan-Wei Chiu).
 
  - Document the imx8dl thermal sensor (Fabio Estevam).
 
  - Add variable names in callback prototypes to prevent warning from
    checkpatch.pl in the imx8mm driver (Bragatheswaran Manickavel).
 
  - Add missing unevaluatedProperties on child node schemas for tegra124
    (Rob Herring)
 
  - Add mt7988 support to the Mediatek LVTS driver (Frank Wunderlich).
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Merge tag 'thermal-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull thermal control updates from Rafael Wysocki:
 "These further rework the ACPI thermal driver, after the changes made
  to it in the previous cycle, to make it easier to grasp, get rid of
  redundant pieces of internal data structures and eliminate its
  reliance on a specific ordering of trip point objects in the thermal
  core, make thermal core adjustments needed for the ACPI thermal driver
  rework, modify the thermal governor interface so as to use trip
  pointers for representing trip points in it, switch over multiple
  thermal drivers to using void platform driver remove callbacks, add
  support for 2 hardware features to the Intel int340x thermal driver,
  add support for new hardware on ARM platforms, update documentation,
  fix problems, clean up code and update the MAINTAINERS record for
  thermal control.

  Specifics:

   - Untangle the initialization and updates of passive and active trip
     points in the ACPI thermal driver (Rafael Wysocki)

   - Reduce code duplication related to the initialization and updates
     of trip points in the ACPI thermal driver (Rafael Wysocki)

   - Use trip pointers for cooling device binding in the ACPI thermal
     driver (Rafael Wysocki)

   - Simplify critical and hot trips representation in the ACPI thermal
     driver (Rafael Wysocki)

   - Use trip pointers in thermal governors and in the related part of
     the thermal core (Rafael Wysocki)

   - Drop the trips_disabled bitmask that has become redundant from the
     thermal core (Rafael Wysocki)

   - Avoid updating trip points when the thermal zone temperature falls
     into a trip point's hysteresis range (ícolas F. R. A. Prado)

   - Add power floor notifications support to the int340x thermal
     control driver (Srinivas Pandruvada)

   - Rework updating trip points in the int340x thermal driver so that
     it does not access thermal zone internals directly (Rafael
     Wysocki)

   - Use param_get_byte() instead of param_get_int() as the max_idle
     module parameter .get() callback in the Intel powerclamp thermal
     driver to avoid possible out-of-bounds access (David Arcari)

   - Add workload hints support to the int340x thermal driver (Srinivas
     Pandruvada)

   - Add support for Mediatek LVTS MT8192 along with suspend/resume
     routines (Balsam Chihi)

   - Fix probe for THERMAL_V2 in the Mediatek LVTS driver (Markus
     Schneider-Pargmann)

   - Remove duplicate error message from the max76620 driver when
     thermal_of_zone_register() fails (Thierry Reding)

   - Add i.MX7D compatible bindings to fix a warning from dtbs_check for
     the imx6ul platform (Alexander Stein)

   - Add sa8775p compatible to the QCom tsens driver (Priyansh Jain)

   - Fix error check in lvts_debugfs_init() to be against PTR_ERR() in
     the LVTS Mediatek driver (Minjie Du)

   - Remove unused variable in thermal/tools (Kuan-Wei Chiu)

   - Document the imx8dl thermal sensor (Fabio Estevam)

   - Add variable names in callback prototypes to prevent warning from
     checkpatch.pl in the imx8mm driver (Bragatheswaran Manickavel)

   - Add missing unevaluatedProperties on child node schemas for
     tegra124 (Rob Herring)

   - Add mt7988 support to the Mediatek LVTS driver (Frank Wunderlich)"

* tag 'thermal-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (111 commits)
  thermal: ACPI: Include the right header file
  thermal: core: Don't update trip points inside the hysteresis range
  thermal: core: Pass trip pointer to governor throttle callback
  thermal: gov_step_wise: Fold update_passive_instance() into its caller
  thermal: gov_power_allocator: Use trip pointers instead of trip indices
  thermal: gov_fair_share: Rearrange get_trip_level()
  thermal: trip: Define for_each_trip() macro
  thermal: trip: Simplify computing trip indices
  thermal/qcom/tsens: Drop ops_v0_1
  thermal/drivers/mediatek/lvts_thermal: Update calibration data documentation
  thermal/drivers/mediatek/lvts_thermal: Add mt8192 support
  thermal/drivers/mediatek/lvts_thermal: Add suspend and resume
  dt-bindings: thermal: mediatek: Add LVTS thermal controller definition for mt8192
  thermal/drivers/mediatek: Fix probe for THERMAL_V2
  thermal/drivers/max77620: Remove duplicate error message
  dt-bindings: timer: add imx7d compatible
  dt-bindings: net: microchip: Allow nvmem-cell usage
  dt-bindings: imx-thermal: Add #thermal-sensor-cells property
  dt-bindings: thermal: tsens: Add sa8775p compatible
  thermal/drivers/mediatek/lvts_thermal: Fix error check in lvts_debugfs_init()
  ...
2023-10-31 15:28:37 -10:00
Pandith N
55ed837d7c Documentation: driver-api: pps: Update PPS generator documentation
PPS documentation has a generalized section for generators. Update the
section so any new generator documentation can be appended.

Signed-off-by: Pandith N <pandith.n@intel.com>
Signed-off-by: Lakshmi Sowjanya D <lakshmi.sowjanya.d@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Rodolfo Giometti <giometti@enneenne.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20231016101953.27308-1-lakshmi.sowjanya.d@intel.com
2023-10-26 11:38:03 -06:00
Kalle Valo
2703bc8513 wifi: mac80211: rename ieee80211_tx_status() to ieee80211_tx_status_skb()
make htmldocs warns:

Documentation/driver-api/80211/mac80211:109: ./include/net/mac80211.h:5170: WARNING: Duplicate C declaration, also defined at mac80211:1117.
Declaration is '.. c:function:: void ieee80211_tx_status (struct ieee80211_hw *hw, struct sk_buff *skb)'.

This is because there's a function named ieee80211_tx_status() and a struct named
ieee80211_tx_status. This has been discussed previously but no solution found:

https://lore.kernel.org/all/20220521114629.6ee9fc06@coco.lan/

There's also a bug open for three years with no solution in sight:

https://github.com/sphinx-doc/sphinx/pull/8313

So I guess we have no other solution than to a workaround this in the code,
for example to rename the function to ieee80211_tx_status_skb() to avoid the
name conflict. I got the idea for the name from ieee80211_tx_status_noskb() in
which the skb is not provided as an argument, instead with
ieee80211_tx_status_skb() the skb is provided.

Compile tested only.

Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20231012114229.2931808-2-kvalo@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-10-23 12:26:51 +02:00
Arkadiusz Kubalewski
27ed30d1f8 dpll: docs: add support for pin signal phase offset/adjust
Add documentation on:
- measurement of phase of signal between pin and dpll
- adjustment of pin signal phase

Signed-off-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-10-15 16:08:24 +01:00
Srinivas Pandruvada
b473d6a9d6 thermal: int340x: processor_thermal: Support power floor notifications
When the hardware reduces the power to the minimum possible, the power
floor is notified via an interrupt.

This can happen when user space requests a power limit via powercap RAPL
interface, which forces the system to enter to the lowest power. This
power floor indication can be used as a hint to resort to other methods
of reducing power than via RAPL power limit.

Before power floor status can be read or the firmware can trigger
notifications regarding it, it needs to be configured via a mailbox
command. The actual power floor status is read via bit 39 of MMIO
offset 0x5B18 of the processor thermal PCI device.

To show the current power floor status and get notification
on a sysfs attribute, add 2 new attributes to
/sys/bus/pci/devices/0000\:00\:04.0/power_limits/

power_floor_enable : This attribute is present when power floor
 notifications are supported. This attribute allows to enable/disable
 power floor notifications.

power_floor_status : This attribute is present when power floor
 notifications are supported. When enabled via power_floor_enable, this
 attribute shows the current power floor status.

The power floor implementation provides interfaces which are called
from the sysfs callbacks to enable/disable and read power floor
status. It also provides two additional interfaces to check if the
current processor thermal device interrupt is for power floor status
and to send notifications to user space.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
[ rjw: Changelog and documentation changes edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2023-10-12 21:09:48 +02:00
Umang Jain
0b1e6f6a9f media: Documentation: ccs: Fix spelling mistake
Correct the wrong spelling of 'exposes' in the binner section.

Signed-off-by: Umang Jain <umang.jain@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
2023-10-12 09:22:28 +02:00
Andy Shevchenko
5ccba71f92 PCI: Update the devres documentation regarding to pcim_*()
There were many changes to PCI core in scope of managed resources APIs.
Update documentation to list the current state of affairs.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20231006150634.3444251-1-andriy.shevchenko@linux.intel.com
2023-10-10 13:35:55 -06:00
Uwe Kleine-König
3240c37567 pwm: Adapt sysfs API documentation to reality
Most low-level PWM drivers support duty_cycle == period, and so does the
sysfs API. Also polarity can be changed for enabled PWMs since commit
39100ceea7 ("pwm: Switch to the atomic API").

Reported-by: Jens Gehrlein <J.Gehrlein@eckelmann.de>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20230911154454.675057-1-u.kleine-koenig@pengutronix.de
2023-10-10 13:35:54 -06:00
Matt Johnston
57ec42b9a1 i3c: Fix typo "Provisional ID" to "Provisioned ID"
The MIPI I3C spec refers to a Provisioned ID, since it is (sometimes)
provisioned at device manufacturing.

Signed-off-by: Matt Johnston <matt@codeconstruct.com.au>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20231003075339.197099-1-matt@codeconstruct.com.au
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2023-10-10 12:11:13 +02:00
Sakari Ailus
dc887661be media: Documentation: Split camera sensor documentation
Split camera sensor documentation into user and kernel portions. This
should make it easier for the user space developers to find the relevant
documentation.

Also add a list of exemplary drivers and add imx219 driver to it, besides
those that were already mentioned.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
2023-10-07 10:55:48 +02:00
Randy Li
44ceac8c92 docs: driver-api: usb: update dma info
We should not hide the recommend APIs in a obscure place.

Signed-off-by: Randy Li <ayaka@soulik.info>
Link: https://lore.kernel.org/r/20230914172336.18761-3-ayaka@soulik.info
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-10-05 09:35:12 +02:00
Linus Walleij
7691ba064b gpio: Further document optional GPIOLIB
Optional GPIOLIB as in not depended on or selected by a driver
should NOT use any *_optional() calls, this becomes paradoxical.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-10-04 13:40:44 +02:00
Bagas Sanjaya
c8afdc0183 Documentation: dpll: wrap DPLL_CMD_PIN_GET output in a code block
DPLL_CMD_PIN_GET netlink command output for mux-type pins looks ugly
with normal paragraph formatting. Format it as a code block instead.

Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://lore.kernel.org/r/20230928052708.44820-3-bagasdotme@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-10-03 15:02:18 -07:00
Bagas Sanjaya
92425d08a6 Documentation: dpll: Fix code blocks
kernel test robot and Stephen Rothwell report htmldocs warnings:

Documentation/driver-api/dpll.rst:427: WARNING: Error in "code-block" directive:
maximum 1 argument(s) allowed, 18 supplied.

.. code-block:: c
	<snipped>...
Documentation/driver-api/dpll.rst:444: WARNING: Error in "code-block" directive:
maximum 1 argument(s) allowed, 21 supplied.

.. code-block:: c
	<snipped>...
Documentation/driver-api/dpll.rst:474: WARNING: Error in "code-block" directive:
maximum 1 argument(s) allowed, 12 supplied.

.. code-block:: c
	<snipped>...

Fix these above by adding missing blank line separator after code-block
directive.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202309180456.lOhxy9gS-lkp@intel.com/
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Closes: https://lore.kernel.org/linux-next/20230918131521.155e9e63@canb.auug.org.au/
Fixes: dbb291f193 ("dpll: documentation on DPLL subsystem interface")
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://lore.kernel.org/r/20230928052708.44820-2-bagasdotme@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-10-03 15:02:18 -07:00
Jiri Slaby (SUSE)
71067fb797 tty: fix kernel-doc for functions in tty.h
tty_kref_get() is already included in Documentation, but is not properly
formatted. Fix this.

tty_get_baud_rate() is neither properly formatted, nor is included. Fix
both.

Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20230919085156.1578-10-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-10-03 14:31:15 +02:00
Jiri Slaby (SUSE)
3b1a696bb9 tty: fix up and plug in tty_ioctl kernel-doc
The ioctl helpers are well documented, except they are not plugged in
the Documentation. So fix up the minor issues in the kernel-doc and plug
it in.

The minor issues include:
* bad \t on every line (sphinx misinterprets the description otherwise)
* missing colon after Return
* superfluous \n after the comment
* make some struct members and constants a hyperlink
* and so on

Perhaps better to use --word-diff if one wants to see the "real"
changes.

Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20230919085156.1578-9-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-10-03 14:31:15 +02:00
Hans Verkuil
2a2fffb488 media: remove the old videobuf framework
The last driver that still used this old framework has been converted
to the videobuf2 framework. So it is now time to delete the old videobuf
code.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
2023-09-27 09:40:01 +02:00
Laurent Pinchart
7610bfe723 Documentation: media: camera-sensor: Improve power management documentation
Camera sensor drivers are highly subject to cargo cult programming, with
back practices being copied from old to new drivers. In particular, many
drivers implement system and runtime PM incorrectly. As a first step
towards fixing this situation, refactor and expand the power management
documentation to detail correct usage of system and runtime PM.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
2023-09-27 09:39:59 +02:00
Laurent Pinchart
f13734b507 Documentation: media: camera-sensor: Move power management section
Move the power management section up, just after clocks, as it relates
to internal system resources and not features exposed to applications.
The text itself is otherwise unchanged.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
2023-09-27 09:39:59 +02:00
Laurent Pinchart
6d032832b1 Documentation: media: camera-sensor: Use link to upstream DT bindings
The Documentation/devicetree/bindings/clock/clock-bindings.txt file is
deprecated and points to clock-bindings.yaml, which is not hosted in the
kernel source tree. Use an HTTPS link to refer to the YAML binding
document.

While at it, drop "currently" from the paragraph, as the whole file
refers to the current recommended practices except where explicitly
noted.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
2023-09-27 09:39:59 +02:00
Laurent Pinchart
8c547f9b3e Documentation: media: camera-sensor: Fix typo and vocabulary selection
Drop an unneeded double colon, and use 'shall' instead of 'must' for
consistency with the rest of the file.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
2023-09-27 09:39:59 +02:00
Sakari Ailus
4af8528f90 media: Documentation: Mention CCS tools
CCS tools is a useful set of programs and libraries for working with CCS
static data. Do mention that in context of the CCS driver.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
2023-09-27 09:39:57 +02:00
Dave Airlie
f107ff76a8 Merge tag 'drm-misc-next-2023-09-11-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for v6.7-rc1:

UAPI Changes:
- Nouveau changed to not set NO_PREFETCH flag explicitly.

Cross-subsystem Changes:
- Update documentation of dma-buf intro and uapi.
- fbdev/sbus fixes.
- Use initializer macros in a lot of fbdev drivers.
- Add Boris Brezillon as Panfrost driver maintainer.
- Add Jessica Zhang as drm/panel reviewer.
- Make more fbdev drivers use fb_ops helpers for deferred io.
- Small hid trailing whitespace fix.
- Use fb_ops in hid/picolcd

Core Changes:
- Assorted small fixes to ttm tests, drm/mst.
- Documentation updates to bridge.
- Add kunit tests for some drm_fb functions.
- Rework drm_debugfs implementation.
- Update xe documentation to mark todos as completed.

Driver Changes:
- Add support to rockchip for rv1126 mipi-dsi and vop.
- Assorted small fixes to nouveau, bridge/samsung-dsim,
  bridge/lvds-codec, loongson, rockchip, panfrost, gma500, repaper,
  komeda, virtio, ssd130x.
- Add support for simple panels Mitsubishi AA084XE01,
  JDI LPM102A188A,
- Documentation updates to accel/ivpu.
- Some nouveau scheduling/fence fixes.
- Power management related fixes and other fixes to ivpu.
- Assorted bridge/it66121 fixes.
- Make platform drivers return void in remove() callback.

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

From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/3da6554b-3b47-fe7d-c4ea-21f4f819dbb6@linux.intel.com
2023-09-22 16:28:36 +10:00
Vadim Fedorenko
dbb291f193 dpll: documentation on DPLL subsystem interface
Add documentation explaining common netlink interface to configure DPLL
devices and monitoring events. Common way to implement DPLL device in
a driver is also covered.

Co-developed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Signed-off-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-09-17 11:50:20 +01:00
Srinivas Pandruvada
4b029a81c2 thermal: int340x: processor_thermal: Add workload type hint interface
Prior to Meteor Lake processor generation, user space can pass workload
type request to the firmware. Then firmware can optimize power based on
the indicated workload type. User space also uses workload type requests
to implement its own heuristics.

The firmware in Meteor Lake processor generation is capable of predicting
workload type without software help.

To avoid duplicate processing, add a sysfs interface allowing user space
to obtain the workload hint from the firmware instead of trying to
predict the workload type by itself.

This workload hint is passed from the firmware via MMIO offset 0x5B18 of
the processor thermal PCI device. Before workload hints can be produced by
the firmware, it needs to be configured via a mailbox command.  This
mailbox command turns ON the workload hint and it allows to program a
notification delay to control the rate of notifications.

The notification delay can be changed from user space vis sysfs.

Attribute group 'workload_hint' in sysfs is used for implementing the
workload hints interface between user space and the kernel.

It contains the following attributes:

workload_type_enable:
	Enables/disables workload type hints from the firmware.

notification_delay_ms:
	Notification delay in milliseconds.

workload_type_index:
	The current workload type index predicted by the firmware (see
	the documentation changes below for supported index values and
	their meaning).

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
[ rjw: Changelog edits, documentation edits, whitespace adjustments ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2023-09-14 21:52:19 +02:00
Linus Torvalds
4b3d6e0c6c ata changes for 6.6
- Fix OF include file for ata platform drivers (Rob).
 
  - Simplify various ahci, sata and pata platform drivers using the
    function devm_platform_ioremap_resource() (Yangtao).
 
  - Cleanup libata time related argument types (e.g. timeouts values)
    (Sergey).
 
  - Cleanup libata code around error handling as all ata drivers now
    define a error_handler operation (Hannes and Niklas).
 
  - Remove functions intended for libsas that are in fact unused
    (Niklas).
 
  - Change the remove device callback of platform drivers to a null
    function (Uwe).
 
  - Simplify the pata_imx driver using devm_clk_get_enabled() (Li).
 
  - Remove old and uinused remnants of the ide code in arm, parisc,
    powerpc, sparc and m68k architectures and associated drivers
    (pata_buddha, pata_falcon and pata_gayle) (Geert).
 
  - Add missing MODULE_DESCRIPTION() in the sata_gemini and pata_ftide010
    drivers (me).
 
  - Several fixes for the pata_ep93xx and pata_falcon drivers (Nikita,
    Michael).
 
  - Add Elkhart Lake AHCI controller support to the ahci driver (Werner).
 
  - Disable NCQ trim on Micron 1100 drives (Pawel).
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Merge tag 'ata-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata

Pull ata updates from Damien Le Moal:

 - Fix OF include file for ata platform drivers (Rob)

 - Simplify various ahci, sata and pata platform drivers using the
   function devm_platform_ioremap_resource() (Yangtao)

 - Cleanup libata time related argument types (e.g. timeouts values)
   (Sergey)

 - Cleanup libata code around error handling as all ata drivers now
   define a error_handler operation (Hannes and Niklas)

 - Remove functions intended for libsas that are in fact unused (Niklas)

 - Change the remove device callback of platform drivers to a null
   function (Uwe)

 - Simplify the pata_imx driver using devm_clk_get_enabled() (Li)

 - Remove old and uinused remnants of the ide code in arm, parisc,
   powerpc, sparc and m68k architectures and associated drivers
   (pata_buddha, pata_falcon and pata_gayle) (Geert)

 - Add missing MODULE_DESCRIPTION() in the sata_gemini and pata_ftide010
   drivers (me)

 - Several fixes for the pata_ep93xx and pata_falcon drivers (Nikita,
   Michael)

 - Add Elkhart Lake AHCI controller support to the ahci driver (Werner)

 - Disable NCQ trim on Micron 1100 drives (Pawel)

* tag 'ata-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata: (60 commits)
  ata: libata-core: Disable NCQ_TRIM on Micron 1100 drives
  ata: ahci: Add Elkhart Lake AHCI controller
  ata: pata_falcon: add data_swab option to byte-swap disk data
  ata: pata_falcon: fix IO base selection for Q40
  ata: pata_ep93xx: use soc_device_match for UDMA modes
  ata: pata_ep93xx: fix error return code in probe
  ata: sata_gemini: Add missing MODULE_DESCRIPTION
  ata: pata_ftide010: Add missing MODULE_DESCRIPTION
  m68k: Remove <asm/ide.h>
  ata: pata_gayle: Remove #include <asm/ide.h>
  ata: pata_falcon: Remove #include <asm/ide.h>
  ata: pata_buddha: Remove #include <asm/ide.h>
  asm-generic: Remove ide_iops.h
  sparc: Remove <asm/ide.h>
  powerpc: Remove <asm/ide.h>
  parisc: Remove <asm/ide.h>
  ARM: Remove <asm/ide.h>
  ata: pata_imx: Use helper function devm_clk_get_enabled()
  ata: sata_rcar: Convert to platform remove callback returning void
  ata: sata_mv: Convert to platform remove callback returning void
  ...
2023-09-05 12:37:28 -07:00
Linus Torvalds
307d59039f media updates for v6.6-rc1
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Merge tag 'media/v6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - new i2c drivers: ds90ub913, ds90ub953, ds90ub960, dw9719, ds90ub913

 - new Intel IVSC MEI drivers

 - some Mediatek platform drivers were moved to a common location

 - Intel atomisp2 driver is now working with the main ov2680 driver. Due
   to that, the atomisp2 ov2680 staging one was removed

 - the bttv driver was finally converted to videobuf2 framework. This
   was the last one upstream using videobuf version 1 core. We'll likely
   remove the old videobuf framework on 6.7

 - lots of improvements at atomisp driver: it now works with normal I2C
   sensors. Several compile-mode dependecies to select between ISP2400
   and ISP2401 are now solved in runtime

 - a new ipu-bridge logic was added to work with IVSC MEI drivers

 - venus driver gained better support for new VPU versions

 - the v4l core async framework has gained lots of improvements and
   cleanups

 - lots of other cleanups, improvements and driver fixes

* tag 'media/v6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (358 commits)
  media: ivsc: Add ACPI dependency
  media: bttv: convert to vb2
  media: bttv: use audio defaults for winfast2000
  media: bttv: refactor bttv_set_dma()
  media: bttv: move vbi_skip/vbi_count out of buffer
  media: bttv: remove crop info from bttv_buffer
  media: bttv: remove tvnorm field from bttv_buffer
  media: bttv: remove format field from bttv_buffer
  media: bttv: move do_crop flag out of bttv_fh
  media: bttv: copy vbi_fmt from bttv_fh
  media: bttv: copy vid fmt/width/height from fh
  media: bttv: radio use v4l2_fh instead of bttv_fh
  media: bttv: replace BUG with WARN_ON
  media: bttv: use video_drvdata to get bttv
  media: i2c: rdacm21: Fix uninitialized value
  media: coda: Remove duplicated include
  media: vivid: fix the racy dev->radio_tx_rds_owner
  media: i2c: ccs: Check rules is non-NULL
  media: i2c: ds90ub960: Fix PLL config for 1200 MHz CSI rate
  media: i2c: ds90ub953: Fix use of uninitialized variables
  ...
2023-09-01 12:21:32 -07:00
Linus Torvalds
1c9f8dff62 Char/Misc driver changes for 6.6-rc1
Here is the big set of char/misc and other small driver subsystem
 changes for 6.6-rc1.
 
 Stuff all over the place here, lots of driver updates and changes and
 new additions.  Short summary is:
   - new IIO drivers and updates
   - Interconnect driver updates
   - fpga driver updates and additions
   - fsi driver updates
   - mei driver updates
   - coresight driver updates
   - nvmem driver updates
   - counter driver updates
   - lots of smaller misc and char driver updates and additions
 
 All of these have been in linux-next for a long time with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver updates from Greg KH:
 "Here is the big set of char/misc and other small driver subsystem
  changes for 6.6-rc1.

  Stuff all over the place here, lots of driver updates and changes and
  new additions. Short summary is:

   - new IIO drivers and updates

   - Interconnect driver updates

   - fpga driver updates and additions

   - fsi driver updates

   - mei driver updates

   - coresight driver updates

   - nvmem driver updates

   - counter driver updates

   - lots of smaller misc and char driver updates and additions

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

* tag 'char-misc-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (267 commits)
  nvmem: core: Notify when a new layout is registered
  nvmem: core: Do not open-code existing functions
  nvmem: core: Return NULL when no nvmem layout is found
  nvmem: core: Create all cells before adding the nvmem device
  nvmem: u-boot-env:: Replace zero-length array with DECLARE_FLEX_ARRAY() helper
  nvmem: sec-qfprom: Add Qualcomm secure QFPROM support
  dt-bindings: nvmem: sec-qfprom: Add bindings for secure qfprom
  dt-bindings: nvmem: Add compatible for QCM2290
  nvmem: Kconfig: Fix typo "drive" -> "driver"
  nvmem: Explicitly include correct DT includes
  nvmem: add new NXP QorIQ eFuse driver
  dt-bindings: nvmem: Add t1023-sfp efuse support
  dt-bindings: nvmem: qfprom: Add compatible for MSM8226
  nvmem: uniphier: Use devm_platform_get_and_ioremap_resource()
  nvmem: qfprom: do some cleanup
  nvmem: stm32-romem: Use devm_platform_get_and_ioremap_resource()
  nvmem: rockchip-efuse: Use devm_platform_get_and_ioremap_resource()
  nvmem: meson-mx-efuse: Convert to devm_platform_ioremap_resource()
  nvmem: lpc18xx_otp: Convert to devm_platform_ioremap_resource()
  nvmem: brcm_nvram: Use devm_platform_get_and_ioremap_resource()
  ...
2023-09-01 09:53:54 -07:00
Linus Torvalds
8e1e49550d TTY/Serial driver changes for 6.6-rc1
Here is the big set of tty and serial driver changes for 6.6-rc1.
 
 Lots of cleanups in here this cycle, and some driver updates.  Short
 summary is:
   - Jiri's continued work to make the tty code and apis be a bit more
     sane with regards to modern kernel coding style and types
   - cpm_uart driver updates
   - n_gsm updates and fixes
   - meson driver updates
   - sc16is7xx driver updates
   - 8250 driver updates for different hardware types
   - qcom-geni driver fixes
   - tegra serial driver change
   - stm32 driver updates
   - synclink_gt driver cleanups
   - tty structure size reduction
 
 All of these have been in linux-next this week with no reported issues.
 The last bit of cleanups from Jiri and the tty structure size reduction
 came in last week, a bit late but as they were just style changes and
 size reductions, I figured they should get into this merge cycle so that
 others can work on top of them with no merge conflicts.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial driver updates from Greg KH:
 "Here is the big set of tty and serial driver changes for 6.6-rc1.

  Lots of cleanups in here this cycle, and some driver updates. Short
  summary is:

   - Jiri's continued work to make the tty code and apis be a bit more
     sane with regards to modern kernel coding style and types

   - cpm_uart driver updates

   - n_gsm updates and fixes

   - meson driver updates

   - sc16is7xx driver updates

   - 8250 driver updates for different hardware types

   - qcom-geni driver fixes

   - tegra serial driver change

   - stm32 driver updates

   - synclink_gt driver cleanups

   - tty structure size reduction

  All of these have been in linux-next this week with no reported
  issues. The last bit of cleanups from Jiri and the tty structure size
  reduction came in last week, a bit late but as they were just style
  changes and size reductions, I figured they should get into this merge
  cycle so that others can work on top of them with no merge conflicts"

* tag 'tty-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (199 commits)
  tty: shrink the size of struct tty_struct by 40 bytes
  tty: n_tty: deduplicate copy code in n_tty_receive_buf_real_raw()
  tty: n_tty: extract ECHO_OP processing to a separate function
  tty: n_tty: unify counts to size_t
  tty: n_tty: use u8 for chars and flags
  tty: n_tty: simplify chars_in_buffer()
  tty: n_tty: remove unsigned char casts from character constants
  tty: n_tty: move newline handling to a separate function
  tty: n_tty: move canon handling to a separate function
  tty: n_tty: use MASK() for masking out size bits
  tty: n_tty: make n_tty_data::num_overrun unsigned
  tty: n_tty: use time_is_before_jiffies() in n_tty_receive_overrun()
  tty: n_tty: use 'num' for writes' counts
  tty: n_tty: use output character directly
  tty: n_tty: make flow of n_tty_receive_buf_common() a bool
  Revert "tty: serial: meson: Add a earlycon for the T7 SoC"
  Documentation: devices.txt: Fix minors for ttyCPM*
  Documentation: devices.txt: Remove ttySIOC*
  Documentation: devices.txt: Remove ttyIOC*
  serial: 8250_bcm7271: improve bcm7271 8250 port
  ...
2023-09-01 09:38:00 -07:00
Linus Torvalds
51e7accbe8 USB / Thunderbolt / PHY driver update for 6.6-rc1
Here is the big set of USB, Thunderbolt, and PHY driver updates for
 6.6-rc1.  Included in here are:
   - PHY driver additions and cleanups
   - Thunderbolt minor additions and fixes
   - USB MIDI 2 gadget support added
   - dwc3 driver updates and additions
   - Removal of some old USB wireless code that was missed when that
     codebase was originally removed a few years ago, cleaning up some
     core USB code paths
   - USB core potential use-after-free fixes that syzbot from different
     people/groups keeps tripping over
   - typec updates and additions
   - gadget fixes and cleanups
   - loads of smaller USB core and driver cleanups all over the place
 
 Full details are in the shortlog.  All of these have been in linux-next
 for a while with no reported problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt / PHY driver updates from Greg KH:
 "Here is the big set of USB, Thunderbolt, and PHY driver updates for
  6.6-rc1. Included in here are:

   - PHY driver additions and cleanups

   - Thunderbolt minor additions and fixes

   - USB MIDI 2 gadget support added

   - dwc3 driver updates and additions

   - Removal of some old USB wireless code that was missed when that
     codebase was originally removed a few years ago, cleaning up some
     core USB code paths

   - USB core potential use-after-free fixes that syzbot from different
     people/groups keeps tripping over

   - typec updates and additions

   - gadget fixes and cleanups

   - loads of smaller USB core and driver cleanups all over the place

  Full details are in the shortlog. All of these have been in linux-next
  for a while with no reported problems"

* tag 'usb-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (154 commits)
  platform/chrome: cros_ec_typec: Configure Retimer cable type
  tcpm: Avoid soft reset when partner does not support get_status
  usb: typec: tcpm: reset counter when enter into unattached state after try role
  usb: typec: tcpm: set initial svdm version based on pd revision
  USB: serial: option: add FOXCONN T99W368/T99W373 product
  USB: serial: option: add Quectel EM05G variant (0x030e)
  usb: dwc2: add pci_device_id driver_data parse support
  usb: gadget: remove max support speed info in bind operation
  usb: gadget: composite: cleanup function config_ep_by_speed_and_alt()
  usb: gadget: config: remove max speed check in usb_assign_descriptors()
  usb: gadget: unconditionally allocate hs/ss descriptor in bind operation
  usb: gadget: f_uvc: change endpoint allocation in uvc_function_bind()
  usb: gadget: add a inline function gether_bitrate()
  usb: gadget: use working speed to calcaulate network bitrate and qlen
  dt-bindings: usb: samsung,exynos-dwc3: Add Exynos850 support
  usb: dwc3: exynos: Add support for Exynos850 variant
  usb: gadget: udc-xilinx: fix incorrect type in assignment warning
  usb: gadget: udc-xilinx: fix cast from restricted __le16 warning
  usb: gadget: udc-xilinx: fix restricted __le16 degrades to integer warning
  USB: dwc2: hande irq on dead controller correctly
  ...
2023-09-01 09:23:34 -07:00
Linus Torvalds
ec0e2dc810 VFIO updates for v6.6-rc1
- VFIO direct character device (cdev) interface support.  This extracts
    the vfio device fd from the container and group model, and is intended
    to be the native uAPI for use with IOMMUFD. (Yi Liu)
 
  - Enhancements to the PCI hot reset interface in support of cdev usage.
    (Yi Liu)
 
  - Fix a potential race between registering and unregistering vfio files
    in the kvm-vfio interface and extend use of a lock to avoid extra
    drop and acquires. (Dmitry Torokhov)
 
  - A new vfio-pci variant driver for the AMD/Pensando Distributed Services
    Card (PDS) Ethernet device, supporting live migration. (Brett Creeley)
 
  - Cleanups to remove redundant owner setup in cdx and fsl bus drivers,
    and simplify driver init/exit in fsl code. (Li Zetao)
 
  - Fix uninitialized hole in data structure and pad capability structures
    for alignment. (Stefan Hajnoczi)
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Merge tag 'vfio-v6.6-rc1' of https://github.com/awilliam/linux-vfio

Pull VFIO updates from Alex Williamson:

 - VFIO direct character device (cdev) interface support. This extracts
   the vfio device fd from the container and group model, and is
   intended to be the native uAPI for use with IOMMUFD (Yi Liu)

 - Enhancements to the PCI hot reset interface in support of cdev usage
   (Yi Liu)

 - Fix a potential race between registering and unregistering vfio files
   in the kvm-vfio interface and extend use of a lock to avoid extra
   drop and acquires (Dmitry Torokhov)

 - A new vfio-pci variant driver for the AMD/Pensando Distributed
   Services Card (PDS) Ethernet device, supporting live migration (Brett
   Creeley)

 - Cleanups to remove redundant owner setup in cdx and fsl bus drivers,
   and simplify driver init/exit in fsl code (Li Zetao)

 - Fix uninitialized hole in data structure and pad capability
   structures for alignment (Stefan Hajnoczi)

* tag 'vfio-v6.6-rc1' of https://github.com/awilliam/linux-vfio: (53 commits)
  vfio/pds: Send type for SUSPEND_STATUS command
  vfio/pds: fix return value in pds_vfio_get_lm_file()
  pds_core: Fix function header descriptions
  vfio: align capability structures
  vfio/type1: fix cap_migration information leak
  vfio/fsl-mc: Use module_fsl_mc_driver macro to simplify the code
  vfio/cdx: Remove redundant initialization owner in vfio_cdx_driver
  vfio/pds: Add Kconfig and documentation
  vfio/pds: Add support for firmware recovery
  vfio/pds: Add support for dirty page tracking
  vfio/pds: Add VFIO live migration support
  vfio/pds: register with the pds_core PF
  pds_core: Require callers of register/unregister to pass PF drvdata
  vfio/pds: Initial support for pds VFIO driver
  vfio: Commonize combine_ranges for use in other VFIO drivers
  kvm/vfio: avoid bouncing the mutex when adding and deleting groups
  kvm/vfio: ensure kvg instance stays around in kvm_vfio_group_add()
  docs: vfio: Add vfio device cdev description
  vfio: Compile vfio_group infrastructure optionally
  vfio: Move the IOMMU_CAP_CACHE_COHERENCY check in __vfio_register_dev()
  ...
2023-08-30 20:36:01 -07:00
Linus Torvalds
cd99b9eb4b Documentation work keeps chugging along; stuff for 6.6 includes:
- Work from Carlos Bilbao to integrate rustdoc output into the generated
   HTML documentation.  This took some work to figure out how to do it
   without slowing the docs build and without creating people who don't have
   Rust installed, but Carlos got there.
 
 - Move the loongarch and mips architecture documentation under
   Documentation/arch/.
 
 - Some more maintainer documentation from Jakub
 
 ...plus the usual assortment of updates, translations, and fixes.
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Merge tag 'docs-6.6' of git://git.lwn.net/linux

Pull documentation updates from Jonathan Corbet:
 "Documentation work keeps chugging along; this includes:

   - Work from Carlos Bilbao to integrate rustdoc output into the
     generated HTML documentation. This took some work to figure out how
     to do it without slowing the docs build and without creating people
     who don't have Rust installed, but Carlos got there

   - Move the loongarch and mips architecture documentation under
     Documentation/arch/

   - Some more maintainer documentation from Jakub

  ... plus the usual assortment of updates, translations, and fixes"

* tag 'docs-6.6' of git://git.lwn.net/linux: (56 commits)
  Docu: genericirq.rst: fix irq-example
  input: docs: pxrc: remove reference to phoenix-sim
  Documentation: serial-console: Fix literal block marker
  docs/mm: remove references to hmm_mirror ops and clean typos
  docs/zh_CN: correct regi_chg(),regi_add() to region_chg(),region_add()
  Documentation: Fix typos
  Documentation/ABI: Fix typos
  scripts: kernel-doc: fix macro handling in enums
  scripts: kernel-doc: parse DEFINE_DMA_UNMAP_[ADDR|LEN]
  Documentation: riscv: Update boot image header since EFI stub is supported
  Documentation: riscv: Add early boot document
  Documentation: arm: Add bootargs to the table of added DT parameters
  docs: kernel-parameters: Refer to the correct bitmap function
  doc: update params of memhp_default_state=
  docs: Add book to process/kernel-docs.rst
  docs: sparse: fix invalid link addresses
  docs: vfs: clean up after the iterate() removal
  docs: Add a section on surveys to the researcher guidelines
  docs: move mips under arch
  docs: move loongarch under arch
  ...
2023-08-30 20:05:42 -07:00
Linus Torvalds
4fb0dacb78 sound updates for 6.6-rc1
We've received a fairly wide range of changes at this time, including
 for ALSA and ASoC core, but all of them are rather small changes.
 
 Here are some highlights:
 
 ALSA / ASoC Core:
 - Fixes of inconsistent locking around control API helpers
 - A few new control API functions and cleanups
 - Workarounds for potential UAFs by delayed kobj releases
 - Unified PCM copy ops with iov_iter
 - Continued efforts for ASoC API cleanups
 
 ASoC:
 - An adaptor to allow use of IIO DACs and ADCs in ASoC which pulls in
   some IIO changes
 - Create a library function for intlog10() and use it in the NAU8825
   driver
 - Convert drivers to use the more modern maple tree register cache
 - Lots of work on the SOF framework, AMD and Intel drivers, including a
   lot of cleanup and new device support
 - Standardization of the presentation of jacks from drivers
 - Provision of some generic sound card DT properties
 - Support for AMD Van Gogh, AMD machines with MAX98388 and NAU8821,
   AWInic AW88261, Cirrus Logic CS35L36 and CS42L43, various Intel
   platforms including AVS machines with ES8336 and RT5663, Mediatek
   MT7986, NXP i.MX93, RealTek RT1017 and StarFive JH7110
 
 Others:
 - New test coverage including ASoC and topology tests in KUnit;
   this also involves enabling UML builds of ALSA since that's the
   default KUnit test environment which pulls in the addition of some
   stubs to the driver
 - More enhancement of pcmtest driver
 - A few fixes / enhancements of MIDI 2.0 UMP core
 - Using PCI definitions in allover HD-audio code
 - Support for Cirrus CS35L56 and TI TAS2781 HD-audio sub-codecs
 - CS35L41 HD-audio sub-codec improvements
 - Continued emu10k1 improvements
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Merge tag 'sound-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "We've received a fairly wide range of changes at this time, including
  for ALSA and ASoC core, but all of them are rather small changes.

  Here are some highlights:

  ALSA / ASoC Core:
   - Fixes of inconsistent locking around control API helpers
   - A few new control API functions and cleanups
   - Workarounds for potential UAFs by delayed kobj releases
   - Unified PCM copy ops with iov_iter
   - Continued efforts for ASoC API cleanups

  ASoC:
   - An adaptor to allow use of IIO DACs and ADCs in ASoC which pulls in
     some IIO changes
   - Create a library function for intlog10() and use it in the NAU8825
     driver
   - Convert drivers to use the more modern maple tree register cache
   - Lots of work on the SOF framework, AMD and Intel drivers, including
     a lot of cleanup and new device support
   - Standardization of the presentation of jacks from drivers
   - Provision of some generic sound card DT properties
   - Support for AMD Van Gogh, AMD machines with MAX98388 and NAU8821,
     AWInic AW88261, Cirrus Logic CS35L36 and CS42L43, various Intel
     platforms including AVS machines with ES8336 and RT5663, Mediatek
     MT7986, NXP i.MX93, RealTek RT1017 and StarFive JH7110

  Others:
   - New test coverage including ASoC and topology tests in KUnit; this
     also involves enabling UML builds of ALSA since that's the default
     KUnit test environment which pulls in the addition of some stubs to
     the driver
   - More enhancement of pcmtest driver
   - A few fixes / enhancements of MIDI 2.0 UMP core
   - Using PCI definitions in allover HD-audio code
   - Support for Cirrus CS35L56 and TI TAS2781 HD-audio sub-codecs
   - CS35L41 HD-audio sub-codec improvements
   - Continued emu10k1 improvements"

* tag 'sound-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (693 commits)
  ALSA: pcm: Fix missing fixup call in compat hw_refine ioctl
  ASoC: dwc: i2s: Fix unused functions
  ALSA: usb-audio: Don't try to submit URBs after disconnection
  ALSA: emu10k1: add separate documentation for E-MU cards
  ALSA: emu10k1: more documentation updates
  ALSA: emu10k1: de-duplicate audigy-mixer.rst vs. sb-live-mixer.rst
  ALSA: ump: Fix -Wformat-truncation warnings
  ALSA: hda: Add missing dependency on CONFIG_EFI for Cirrus/TI sub-codecs
  ALSA: doc: Fix missing backquote in midi-2.0.rst
  ALSA: hda/realtek: Add quirk for mute LEDs on HP ENVY x360 15-eu0xxx
  ALSA: hda/tas2781: Switch back to use struct i2c_driver's .probe()
  ASoC: soc-core.c: Do not error if a DAI link component is not found
  ASoC: codecs: Fix error code in aw88261_i2c_probe()
  ASoC: audio-graph-card.c: move audio_graph_parse_of()
  ASoC: cs42l43: Use new-style PM runtime macros
  ALSA: documentation: Add description for USB MIDI 2.0 gadget driver
  ALSA: ump: Don't create unused substreams for static blocks
  ALSA: ump: Fill group names for legacy rawmidi substreams
  ALSA: usb-audio: Attach legacy rawmidi after probing all UMP EPs
  ALSA: ac97: Fix possible error value of *rac97
  ...
2023-08-30 13:45:05 -07:00
Mike Tipton
770c69f037 interconnect: Add debugfs test client
It's often useful during test, debug, and development to issue path
votes from shell. Add a debugfs client for this purpose.

Example usage:
	cd /sys/kernel/debug/interconnect/test-client/

	# Configure node endpoints for the path from CPU to DDR on
	# qcom/sm8550.
	echo chm_apps > src_node
	echo ebi > dst_node

	# Get path between src_node and dst_node. This is only
	# necessary after updating the node endpoints.
	echo 1 > get

	# Set desired BW to 1GBps avg and 2GBps peak.
	echo 1000000 > avg_bw
	echo 2000000 > peak_bw

	# Vote for avg_bw and peak_bw on the latest path from "get".
	# Voting for multiple paths is possible by repeating this
	# process for different nodes endpoints.
	echo 1 > commit

Allowing userspace to directly enable and set bus rates can be dangerous
So, following in the footsteps of the regmap [0] and clk [1] frameworks,
keep these userspace controls compile-time disabled without Kconfig
options to enable them. Enabling this will require code changes to
define INTERCONNECT_ALLOW_WRITE_DEBUGFS.

[0] commit 09c6ecd394 ("regmap: Add support for writing to regmap registers via debugfs")
[1] commit 37215da555 ("clk: Add support for setting clk_rate via debugfs")

Signed-off-by: Mike Tipton <quic_mdtipton@quicinc.com>
Link: https://lore.kernel.org/r/20230807142914.12480-4-quic_mdtipton@quicinc.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2023-08-22 21:04:50 +03:00
Jiri Slaby (SUSE)
b49a0ff732 tty: tty_buffer: use __tty_insert_flip_string_flags() in tty_insert_flip_char()
Use __tty_insert_flip_string_flags() for the slow path of
tty_insert_flip_char(). The former is generic enough, so there is no
reason to reimplement the injection once again.

So now we have a single function stuffing into tty buffers.

Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20230816105530.3335-8-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-08-22 14:58:15 +02:00
Jiri Slaby (SUSE)
c26405fd28 tty: tty_buffer: unify tty_insert_flip_string_{fixed_flag,flags}()
They both do the same except for flags. One mem-copies the flags from
the caller, the other mem-sets to one flag given by the caller. This can
be unified with a simple if in the unified function.

Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20230816105530.3335-4-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-08-22 14:58:15 +02:00
Daniel Stone
504245a5ab doc: uapi: Add document describing dma-buf semantics
Since there's a lot of confusion around this, document both the rules
and the best practices around negotiating, allocating, importing, and
using buffers when crossing context/process/device/subsystem boundaries.

This ties up all of dma-buf, formats and modifiers, and their usage.

Signed-off-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Sui Jingfeng <suijingfeng@loongson.cn>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20230803154908.105124-4-daniels@collabora.com
2023-08-21 18:20:05 +02:00
Daniel Stone
09902f3a1f doc: dma-buf: Rewrite intro section a little
Make it a little bit more clear what's going on and fix some formatting.

Signed-off-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Simon Ser <contact@emersion.fr>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20230803154908.105124-3-daniels@collabora.com
2023-08-21 17:10:33 +02:00
Hans de Goede
613cbb91e9 media: Add MIPI CCI register access helper functions
The CSI2 specification specifies a standard method to access camera sensor
registers called "Camera Control Interface (CCI)".

This uses either 8 or 16 bit (big-endian wire order) register addresses
and supports 8, 16, 24 or 32 bit (big-endian wire order) register widths.

Currently a lot of Linux camera sensor drivers all have their own custom
helpers for this, often copy and pasted from other drivers.

Add a set of generic helpers for this so that all sensor drivers can
switch to a single common implementation.

These helpers take an extra optional "int *err" function parameter,
this can be used to chain a bunch of register accesses together with
only a single error check at the end, rather than needing to error
check each individual register access. The first failing call will
set the contents of err to a non 0 value and all other calls will
then become no-ops.

Link: https://lore.kernel.org/linux-media/59aefa7f-7bf9-6736-6040-39551329cd0a@redhat.com/

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Tested-by: Tommaso Merciai <tomm.merciai@gmail.com>
Reviewed-by: Tommaso Merciai <tomm.merciai@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2023-08-10 07:58:38 +02:00
Hans Verkuil
f807d06c72 media: Documentation: media: cec: describe new callbacks
Describe the new callbacks and clarify when the adap->lock
mutex is held or not.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2023-08-10 07:58:32 +02:00
Sakari Ailus
99939beaef media: Documentation: v4l: Document sub-device notifiers
Document that sub-device notifiers are now registered using
v4l2_async_subdev_nf_init(). No documentation is changed as it seems that
sub-device notifiers were not documented apart from kernel-doc comments.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Tested-by: Philipp Zabel <p.zabel@pengutronix.de> # imx6qp
Tested-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> # rcar + adv746x
Tested-by: Aishwarya Kothari <aishwarya.kothari@toradex.com> # Apalis i.MX6Q with TC358743
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> # Renesas RZ/G2L SMARC
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2023-08-10 07:58:32 +02:00
Alan Stern
f176638af4 USB: Remove Wireless USB and UWB documentation
Support for Wireless USB and Ultra WideBand was removed in 2020 by
commit caa6772db4 ("Staging: remove wusbcore and UWB from the kernel
tree.").  But the documentation files were left behind.

Let's get rid of that out-of-date documentation.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/015d4310-bcd3-4ba4-9a0e-3664f281a9be@rowland.harvard.edu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-08-09 14:17:32 +02:00
Niklas Cassel
6b4f165e08 ata: libata: remove deprecated EH callbacks
Now that all libata drivers have migrated to use the error_handler
callback, remove the deprecated phy_reset and eng_timeout callbacks.

Also remove references to non-existent functions sata_phy_reset and
ata_qc_timeout from Documentation/driver-api/libata.rst.

Signed-off-by: Niklas Cassel <niklas.cassel@wdc.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Reviewed-by: Jason Yan <yanaijie@huawei.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
2023-08-02 17:45:42 +09:00