Commit Graph

3783 Commits

Author SHA1 Message Date
Linus Torvalds
2ef32ad224 virtio: features, fixes, cleanups
Several new features here:
 
 - virtio-net is finally supported in vduse.
 
 - Virtio (balloon and mem) interaction with suspend is improved
 
 - vhost-scsi now handles signals better/faster.
 
 Fixes, cleanups all over the place.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

Pull virtio updates from Michael Tsirkin:
 "Several new features here:

   - virtio-net is finally supported in vduse

   - virtio (balloon and mem) interaction with suspend is improved

   - vhost-scsi now handles signals better/faster

  And fixes, cleanups all over the place"

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (48 commits)
  virtio-pci: Check if is_avq is NULL
  virtio: delete vq in vp_find_vqs_msix() when request_irq() fails
  MAINTAINERS: add Eugenio Pérez as reviewer
  vhost-vdpa: Remove usage of the deprecated ida_simple_xx() API
  vp_vdpa: don't allocate unused msix vectors
  sound: virtio: drop owner assignment
  fuse: virtio: drop owner assignment
  scsi: virtio: drop owner assignment
  rpmsg: virtio: drop owner assignment
  nvdimm: virtio_pmem: drop owner assignment
  wifi: mac80211_hwsim: drop owner assignment
  vsock/virtio: drop owner assignment
  net: 9p: virtio: drop owner assignment
  net: virtio: drop owner assignment
  net: caif: virtio: drop owner assignment
  misc: nsm: drop owner assignment
  iommu: virtio: drop owner assignment
  drm/virtio: drop owner assignment
  gpio: virtio: drop owner assignment
  firmware: arm_scmi: virtio: drop owner assignment
  ...
2024-05-23 12:04:36 -07:00
Linus Torvalds
d90be6e4aa Driver core changes for 6.10-rc1
Here is the small set of driver core and kernfs changes for 6.10-rc1.
 
 Nothing major here at all, just a small set of changes for some driver
 core apis, and minor fixups.  Included in here are:
   - sysfs_bin_attr_simple_read() helper added and used
   - device_show_string() helper added and used
 All usages of these were acked by the various maintainers.  Also in here
 are:
   - kernfs minor cleanup
   - removed unused functions
   - typo fix in documentation
   - pay attention to sysfs_create_link() failures in module.c finally.
 
 All of these have been in linux-next for a very long time with no
 reported problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is the small set of driver core and kernfs changes for 6.10-rc1.

  Nothing major here at all, just a small set of changes for some driver
  core apis, and minor fixups. Included in here are:

   - sysfs_bin_attr_simple_read() helper added and used

   - device_show_string() helper added and used

  All usages of these were acked by the various maintainers. Also in
  here are:

   - kernfs minor cleanup

   - removed unused functions

   - typo fix in documentation

   - pay attention to sysfs_create_link() failures in module.c finally

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

* tag 'driver-core-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  device property: Fix a typo in the description of device_get_child_node_count()
  kernfs: mount: Remove unnecessary ‘NULL’ values from knparent
  scsi: Use device_show_string() helper for sysfs attributes
  platform/x86: Use device_show_string() helper for sysfs attributes
  perf: Use device_show_string() helper for sysfs attributes
  IB/qib: Use device_show_string() helper for sysfs attributes
  hwmon: Use device_show_string() helper for sysfs attributes
  driver core: Add device_show_string() helper for sysfs attributes
  treewide: Use sysfs_bin_attr_simple_read() helper
  sysfs: Add sysfs_bin_attr_simple_read() helper
  module: don't ignore sysfs_create_link() failures
  driver core: Remove unused platform_notify, platform_notify_remove
2024-05-22 12:13:40 -07:00
Krzysztof Kozlowski
cfffb29c48 firmware: arm_scmi: virtio: drop owner assignment
virtio core already sets the .owner, so driver does not need to.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Message-Id: <20240331-module-owner-virtio-v2-11-98f04bfaf46a@linaro.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
2024-05-22 08:31:17 -04:00
Linus Torvalds
5499315668 EFI fixes for v6.10 #1
- Followup fix for the EFI boot sequence refactor, which may result in
   physical KASLR putting the kernel in a region which is being used for
   a special purpose via a command line argument.
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Merge tag 'efi-fixes-for-v6.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi

Pull EFI fix from Ard Biesheuvel:

 - Followup fix for the EFI boot sequence refactor, which may result in
   physical KASLR putting the kernel in a region which is being used for
   a special purpose via a command line argument.

* tag 'efi-fixes-for-v6.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
  x86/efistub: Omit physical KASLR when memory reservations exist
2024-05-21 11:50:26 -07:00
Linus Torvalds
80f9d90230 dmi updates for v6.10
* KCFI violation fix for dmi-id.
 * Stop decoding on broken (short) DMI table entry.
 * Print info about populated memory slots at boot.
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Merge tag 'dmi-for-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging

Pull dmi updates from Jean Delvare:
 "Bug fixes:

   - KCFI violation in dmi-id

   - stop decoding on broken (short) DMI table entry

  New features:

   - print info about populated memory slots at boot"

* tag 'dmi-for-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
  firmware: dmi: Add info message for number of populated and total memory slots
  firmware: dmi: Stop decoding on broken entry
  firmware: dmi-id: add a release callback function
2024-05-20 09:25:10 -07:00
Linus Torvalds
ff9a79307f Kbuild updates for v6.10
- Avoid 'constexpr', which is a keyword in C23
 
  - Allow 'dtbs_check' and 'dt_compatible_check' run independently of
    'dt_binding_check'
 
  - Fix weak references to avoid GOT entries in position-independent
    code generation
 
  - Convert the last use of 'optional' property in arch/sh/Kconfig
 
  - Remove support for the 'optional' property in Kconfig
 
  - Remove support for Clang's ThinLTO caching, which does not work with
    the .incbin directive
 
  - Change the semantics of $(src) so it always points to the source
    directory, which fixes Makefile inconsistencies between upstream and
    downstream
 
  - Fix 'make tar-pkg' for RISC-V to produce a consistent package
 
  - Provide reasonable default coverage for objtool, sanitizers, and
    profilers
 
  - Remove redundant OBJECT_FILES_NON_STANDARD, KASAN_SANITIZE, etc.
 
  - Remove the last use of tristate choice in drivers/rapidio/Kconfig
 
  - Various cleanups and fixes in Kconfig
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Merge tag 'kbuild-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild updates from Masahiro Yamada:

 - Avoid 'constexpr', which is a keyword in C23

 - Allow 'dtbs_check' and 'dt_compatible_check' run independently of
   'dt_binding_check'

 - Fix weak references to avoid GOT entries in position-independent code
   generation

 - Convert the last use of 'optional' property in arch/sh/Kconfig

 - Remove support for the 'optional' property in Kconfig

 - Remove support for Clang's ThinLTO caching, which does not work with
   the .incbin directive

 - Change the semantics of $(src) so it always points to the source
   directory, which fixes Makefile inconsistencies between upstream and
   downstream

 - Fix 'make tar-pkg' for RISC-V to produce a consistent package

 - Provide reasonable default coverage for objtool, sanitizers, and
   profilers

 - Remove redundant OBJECT_FILES_NON_STANDARD, KASAN_SANITIZE, etc.

 - Remove the last use of tristate choice in drivers/rapidio/Kconfig

 - Various cleanups and fixes in Kconfig

* tag 'kbuild-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (46 commits)
  kconfig: use sym_get_choice_menu() in sym_check_prop()
  rapidio: remove choice for enumeration
  kconfig: lxdialog: remove initialization with A_NORMAL
  kconfig: m/nconf: merge two item_add_str() calls
  kconfig: m/nconf: remove dead code to display value of bool choice
  kconfig: m/nconf: remove dead code to display children of choice members
  kconfig: gconf: show checkbox for choice correctly
  kbuild: use GCOV_PROFILE and KCSAN_SANITIZE in scripts/Makefile.modfinal
  Makefile: remove redundant tool coverage variables
  kbuild: provide reasonable defaults for tool coverage
  modules: Drop the .export_symbol section from the final modules
  kconfig: use menu_list_for_each_sym() in sym_check_choice_deps()
  kconfig: use sym_get_choice_menu() in conf_write_defconfig()
  kconfig: add sym_get_choice_menu() helper
  kconfig: turn defaults and additional prompt for choice members into error
  kconfig: turn missing prompt for choice members into error
  kconfig: turn conf_choice() into void function
  kconfig: use linked list in sym_set_changed()
  kconfig: gconf: use MENU_CHANGED instead of SYMBOL_CHANGED
  kconfig: gconf: remove debug code
  ...
2024-05-18 12:39:20 -07:00
Ard Biesheuvel
15aa8fb852 x86/efistub: Omit physical KASLR when memory reservations exist
The legacy decompressor has elaborate logic to ensure that the
randomized physical placement of the decompressed kernel image does not
conflict with any memory reservations, including ones specified on the
command line using mem=, memmap=, efi_fake_mem= or hugepages=, which are
taken into account by the kernel proper at a later stage.

When booting in EFI mode, it is the firmware's job to ensure that the
chosen range does not conflict with any memory reservations that it
knows about, and this is trivially achieved by using the firmware's
memory allocation APIs.

That leaves reservations specified on the command line, though, which
the firmware knows nothing about, as these regions have no other special
significance to the platform. Since commit

  a1b87d54f4 ("x86/efistub: Avoid legacy decompressor when doing EFI boot")

these reservations are not taken into account when randomizing the
physical placement, which may result in conflicts where the memory
cannot be reserved by the kernel proper because its own executable image
resides there.

To avoid having to duplicate or reuse the existing complicated logic,
disable physical KASLR entirely when such overrides are specified. These
are mostly diagnostic tools or niche features, and physical KASLR (as
opposed to virtual KASLR, which is much more important as it affects the
memory addresses observed by code executing in the kernel) is something
we can live without.

Closes: https://lkml.kernel.org/r/FA5F6719-8824-4B04-803E-82990E65E627%40akamai.com
Reported-by: Ben Chaney <bchaney@akamai.com>
Fixes: a1b87d54f4 ("x86/efistub: Avoid legacy decompressor when doing EFI boot")
Cc:  <stable@vger.kernel.org> # v6.1+
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
2024-05-17 17:06:18 +02:00
Linus Torvalds
33e02dc69a sound updates for 6.10-rc1
This one became bigger than usual, not in the total size but rather
 containing lots of small changes all over the places.  The majority of
 changes are about ASoC, especially SOF / Intel stuff, and we see an
 interesting work for ASoC DAPM graph visualization, while there are
 many other code cleanup and refactoring, too.
 
 Core:
 - A deadlock fix at device disconnection
 - A new tool dapm-graph for visualising the DAPM state
 
 ASoC:
 - Large updates throughout the Intel audio drivers
 - Fixes and clarifications for the DAPM documentation
 - Cleanups of accessors for driver data, module labelling, and for
   constification
 - Modernsation and cleanup work in the Mediatek drivers
 - Several fixes and features for the DaVinci I2S driver
 - New drivers for several AMD and Intel platforms, Nuvoton NAU8325,
   Rockchip RK3308 and Texas Instruments PCM6240
 
 HD-audio:
 - Cleanup for CONFIG_PM dependencies
 - Cirrus HD-audio codec fixes and quirks
 
 Others:
 - Series of tree-wide fixes in Makefiles to use *-y
 - Additions of missing module descriptions
 - Scarlett2 USB mixer enhancements
 - A series of legacy emu10k1 fixes and improvements
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Merge tag 'sound-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "This one became bigger than usual, not in the total size but rather
  containing lots of small changes all over the places.

  The majority of changes are about ASoC, especially SOF / Intel stuff,
  and we see an interesting work for ASoC DAPM graph visualization,
  while there are many other code cleanup and refactoring, too.

  Core:
   - A deadlock fix at device disconnection
   - A new tool dapm-graph for visualising the DAPM state

  ASoC:
   - Large updates throughout the Intel audio drivers
   - Fixes and clarifications for the DAPM documentation
   - Cleanups of accessors for driver data, module labelling, and for
     constification
   - Modernsation and cleanup work in the Mediatek drivers
   - Several fixes and features for the DaVinci I2S driver
   - New drivers for several AMD and Intel platforms, Nuvoton NAU8325,
     Rockchip RK3308 and Texas Instruments PCM6240

  HD-audio:
   - Cleanup for CONFIG_PM dependencies
   - Cirrus HD-audio codec fixes and quirks

  Others:
   - Series of tree-wide fixes in Makefiles to use *-y
   - Additions of missing module descriptions
   - Scarlett2 USB mixer enhancements
   - A series of legacy emu10k1 fixes and improvements"

* tag 'sound-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (603 commits)
  ALSA: hda/realtek: Drop doubly quirk entry for 103c:8a2e
  ALSA: hda/realtek - fixed headset Mic not show
  ASoC: SOF: amd: Fix build error with built-in config
  ALSA: scarlett2: Increase mixer range to +12dB
  ALSA: scarlett2: Add S/PDIF source selection controls
  ALSA: core: Remove superfluous CONFIG_PM
  ALSA: Fix deadlocks with kctl removals at disconnection
  ASoC: audio-graph-card2: call of_node_get() before of_get_next_child()
  ASoC: SOF: amd: Correct spaces in Makefile
  ASoC: rt715-sdca-sdw: Fix wrong complete waiting in rt715_dev_resume()
  ASoC: Intel: sof_sdw_rt_amp: use dai parameter
  ASoC: Intel: sof_sdw: add dai parameter to rtd_init callback
  ASoC: Intel: sof_sdw: use .controls/.widgets to add controls/widgets
  ASoC: Intel: sof_sdw: add controls and dapm widgets in codec_info
  ASoC: Intel: sof_sdw: use generic name for controls/widgets
  ASoC: Intel: sof_sdw_cs_amp: rename Speakers to Speaker
  ASoC: Intel: maxim-common: change max98373 data to static
  ASoC: Intel: sof_sdw: add max98373 dapm routes
  ASoC: Intel: sof_rt5682: use max_98373_dai_link function
  ASoC: Intel: sof_nau8825: use max_98373_dai_link function
  ...
2024-05-15 10:02:36 -07:00
Linus Torvalds
1b10b390d9 EFI updates for v6.10:
- Additional cleanup by Tim for the efivarfs variable name length
   confusion
 
 - Avoid freeing a bogus pointer when virtual remapping is omitted in the
   EFI boot stub
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Merge tag 'efi-next-for-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi

Pull EFI updates from Ard Biesheuvel:
 "Only a handful of changes this cycle, consisting of cleanup work and a
  low-prio bugfix:

   - Additional cleanup by Tim for the efivarfs variable name length
     confusion

   - Avoid freeing a bogus pointer when virtual remapping is omitted in
     the EFI boot stub"

* tag 'efi-next-for-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
  efi: libstub: only free priv.runtime_map when allocated
  efi: Clear up misconceptions about a maximum variable name size
  efivarfs: Remove unused internal struct members
  Documentation: Mark the 'efivars' sysfs interface as removed
  efi: pstore: Request at most 512 bytes for variable names
2024-05-14 15:19:26 -07:00
Linus Torvalds
0c181b1d97 Power management updates for 6.10-rc1
- Rework the handling of disabled turbo in the intel_pstate driver and
    make it update the maximum CPU frequency consistently regardless of
    the reason on top of a number of cleanups (Rafael Wysocki).
 
  - Add missing checks for NULL .exit() cpufreq driver callback to the
    cpufreq core (Viresh Kumar).
 
  - Prevent pulicy->max from going above the frequency QoS maximum value
    when cpufreq_frequency_table_verify() is used (Xuewen Yan).
 
  - Prevent a negative CPU number or frequency value from being printed
    if they are really large (Joshua Yeong).
 
  - Update MAINTAINERS entry for amd-pstate to add two new submaintainers
    and a designated reviewer (Huang Rui).
 
  - Clean up the amd-pstate driver and update its documentation (Gautham
    Shenoy).
 
  - Fix the highest frequency issue in the amd-pstate driver which limits
    performance (Perry Yuan).
 
  - Enable CPPC v2 for certain processors in the family 17H, as requested
    by TR40 processor users who expect improved performance and lower
    system temperature (Perry Yuan).
 
  - Change latency and delay values to be read from platform firmware
    firstly for more accurate timing (Perry Yuan).
 
  - A new quirk is introduced for supporting amd-pstate on legacy
    processors which either lack CPPC capability, or only only have CPPC
    v2 capability (Perry Yuan).
 
  - Sun50i cpufreq: Add support for opp_supported_hw, H616 platform and
    general cleanups (Andre Przywara, Martin Botka, Brandon Cheo Fusi,
    Dan Carpenter, Viresh Kumar).
 
  - CPPC cpufreq: Fix possible null pointer dereference (Aleksandr
    Mishin).
 
  - Eliminate uses of of_node_put() from cpufreq (Javier Carrasco,
    Shivani Gupta).
 
  - brcmstb-avs: ISO C90 forbids mixed declarations (Portia Stephens).
 
  - mediatek cpufreq: Add support for MT7988A (Sam Shih).
 
  - cpufreq-qcom-hw: Add SM4450 compatibles in DT bindings (Tengfei Fan).
 
  - Fix struct cpudata::epp_cached kernel-doc in the intel_pstate cpufreq
    driver (Jeff Johnson).
 
  - Fix kerneldoc description of ladder_do_selection() (Jeff Johnson).
 
  - Convert the cpuidle kirkwood driver to platform remove callback
    returning void (Yangtao Li).
 
  - Replace deprecated strncpy() with strscpy() in the hibernation core
    code (Justin Stitt).
 
  - Use %ps to simplify debug output in the core system-wide suspend and
    resume code (Len Brown).
 
  - Remove unnecessary else from device_init_wakeup() and make
    device_wakeup_disable() return void (Dhruva Gole).
 
  - Enable PMU support in the Intel TPMI RAPL driver (Zhang Rui).
 
  - Add support for ArrowLake-H platform to the Intel RAPL driver (Zhang
    Rui).
 
  - Avoid explicit cpumask allocation on stack in DTPM (Dawei Li).
 
  - Make the Samsung exynos-asv driver update the Energy Model after
    adjusting voltage on top of some preliminary changes of the OPP and
    Enery Model generic code (Lukasz Luba).
 
  - Remove a reference to a function that has been dropped from the power
    management documentation (Bjorn Helgaas).
 
  - Convert the platfrom remove callback to .remove_new for the
    exyno-nocp, exynos-ppmu, mtk-cci-devfreq, sun8i-a33-mbus, and
    rk3399_dmc devfreq drivers (Uwe Kleine-König).
 
  - Use DEFINE_SIMPLE_PM_OPS for exyno-bus.c driver (Anand Moon).
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Merge tag 'pm-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates from Rafael Wysocki:
 "These are mostly cpufreq updates, including a significant intel-pstate
  driver update and several amd-pstate improvements plus some updates of
  ARM cpufreq drivers, general fixes and cleanups.

  Also included are changes related to system sleep, power capping
  updates adding support for a new platform and a new hardware feature
  (among other things), a Samsung exynos-asv driver update allowing it
  to change its Energy Model after adjusting voltage, minor cpuidle and
  devfreq updates and a small documentation cleanup.

  Specifics:

   - Rework the handling of disabled turbo in the intel_pstate driver
     and make it update the maximum CPU frequency consistently
     regardless of the reason on top of a number of cleanups (Rafael
     Wysocki)

   - Add missing checks for NULL .exit() cpufreq driver callback to the
     cpufreq core (Viresh Kumar)

   - Prevent pulicy->max from going above the frequency QoS maximum
     value when cpufreq_frequency_table_verify() is used (Xuewen Yan)

   - Prevent a negative CPU number or frequency value from being printed
     if they are really large (Joshua Yeong)

   - Update MAINTAINERS entry for amd-pstate to add two new
     submaintainers and a designated reviewer (Huang Rui)

   - Clean up the amd-pstate driver and update its documentation
     (Gautham Shenoy)

   - Fix the highest frequency issue in the amd-pstate driver which
     limits performance (Perry Yuan)

   - Enable CPPC v2 for certain processors in the family 17H, as
     requested by TR40 processor users who expect improved performance
     and lower system temperature (Perry Yuan)

   - Change latency and delay values to be read from platform firmware
     firstly for more accurate timing (Perry Yuan)

   - A new quirk is introduced for supporting amd-pstate on legacy
     processors which either lack CPPC capability, or only only have
     CPPC v2 capability (Perry Yuan)

   - Sun50i cpufreq: Add support for opp_supported_hw, H616 platform and
     general cleanups (Andre Przywara, Martin Botka, Brandon Cheo Fusi,
     Dan Carpenter, Viresh Kumar)

   - CPPC cpufreq: Fix possible null pointer dereference (Aleksandr
     Mishin)

   - Eliminate uses of of_node_put() from cpufreq (Javier Carrasco,
     Shivani Gupta)

   - brcmstb-avs: ISO C90 forbids mixed declarations (Portia Stephens)

   - mediatek cpufreq: Add support for MT7988A (Sam Shih)

   - cpufreq-qcom-hw: Add SM4450 compatibles in DT bindings (Tengfei
     Fan)

   - Fix struct cpudata::epp_cached kernel-doc in the intel_pstate
     cpufreq driver (Jeff Johnson)

   - Fix kerneldoc description of ladder_do_selection() (Jeff Johnson)

   - Convert the cpuidle kirkwood driver to platform remove callback
     returning void (Yangtao Li)

   - Replace deprecated strncpy() with strscpy() in the hibernation core
     code (Justin Stitt)

   - Use %ps to simplify debug output in the core system-wide suspend
     and resume code (Len Brown)

   - Remove unnecessary else from device_init_wakeup() and make
     device_wakeup_disable() return void (Dhruva Gole)

   - Enable PMU support in the Intel TPMI RAPL driver (Zhang Rui)

   - Add support for ArrowLake-H platform to the Intel RAPL driver
     (Zhang Rui)

   - Avoid explicit cpumask allocation on stack in DTPM (Dawei Li)

   - Make the Samsung exynos-asv driver update the Energy Model after
     adjusting voltage on top of some preliminary changes of the OPP and
     Enery Model generic code (Lukasz Luba)

   - Remove a reference to a function that has been dropped from the
     power management documentation (Bjorn Helgaas)

   - Convert the platfrom remove callback to .remove_new for the
     exyno-nocp, exynos-ppmu, mtk-cci-devfreq, sun8i-a33-mbus, and
     rk3399_dmc devfreq drivers (Uwe Kleine-König)

   - Use DEFINE_SIMPLE_PM_OPS for exyno-bus.c driver (Anand Moon)"

* tag 'pm-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (68 commits)
  PM / devfreq: exynos: Use DEFINE_SIMPLE_DEV_PM_OPS for PM functions
  PM / devfreq: rk3399_dmc: Convert to platform remove callback returning void
  PM / devfreq: sun8i-a33-mbus: Convert to platform remove callback returning void
  PM / devfreq: mtk-cci: Convert to platform remove callback returning void
  PM / devfreq: exynos-ppmu: Convert to platform remove callback returning void
  PM / devfreq: exynos-nocp: Convert to platform remove callback returning void
  cpufreq: amd-pstate: fix the highest frequency issue which limits performance
  cpufreq: intel_pstate: fix struct cpudata::epp_cached kernel-doc
  cpuidle: ladder: fix ladder_do_selection() kernel-doc
  powercap: intel_rapl_tpmi: Enable PMU support
  powercap: intel_rapl: Introduce APIs for PMU support
  PM: hibernate: replace deprecated strncpy() with strscpy()
  cpufreq: Fix up printing large CPU numbers and frequency values
  MAINTAINERS: cpufreq: amd-pstate: Add co-maintainers and reviewer
  cpufreq: amd-pstate: remove unused variable lowest_nonlinear_freq
  cpufreq: amd-pstate: fix code format problems
  cpufreq: amd-pstate: Add quirk for the pstate CPPC capabilities missing
  cppc_acpi: print error message if CPPC is unsupported
  cpufreq: amd-pstate: get transition delay and latency value from ACPI tables
  cpufreq: amd-pstate: Bail out if min/max/nominal_freq is 0
  ...
2024-05-14 13:19:15 -07:00
Masahiro Yamada
7f7f6f7ad6 Makefile: remove redundant tool coverage variables
Now Kbuild provides reasonable defaults for objtool, sanitizers, and
profilers.

Remove redundant variables.

Note:

This commit changes the coverage for some objects:

  - include arch/mips/vdso/vdso-image.o into UBSAN, GCOV, KCOV
  - include arch/sparc/vdso/vdso-image-*.o into UBSAN
  - include arch/sparc/vdso/vma.o into UBSAN
  - include arch/x86/entry/vdso/extable.o into KASAN, KCSAN, UBSAN, GCOV, KCOV
  - include arch/x86/entry/vdso/vdso-image-*.o into KASAN, KCSAN, UBSAN, GCOV, KCOV
  - include arch/x86/entry/vdso/vdso32-setup.o into KASAN, KCSAN, UBSAN, GCOV, KCOV
  - include arch/x86/entry/vdso/vma.o into GCOV, KCOV
  - include arch/x86/um/vdso/vma.o into KASAN, GCOV, KCOV

I believe these are positive effects because all of them are kernel
space objects.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Tested-by: Roberto Sassu <roberto.sassu@huawei.com>
2024-05-14 23:35:48 +09:00
Heiner Kallweit
4d1b28a811 firmware: dmi: Add info message for number of populated and total memory slots
As part of adding support for calling i2c_register_spd() on muxed SMBUS
segments the same message has been removed from i2c_register_spd().
However users may find it useful, therefore reintroduce it as part of
the DMI scan code.

[JD: Static variable dmi_memdev_populated_nr is only used in __init
 functions, so it can be marked __initdata.]

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Jean Delvare <jdelvare@suse.de>
2024-05-14 11:23:02 +02:00
Linus Torvalds
a7c840ba5f chrome platform firmware changes for 6.10
* Improvements
 
   - Set driver owner in the core registration so that coreboot drivers
     don't need to set it individually.
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Merge tag 'tag-chrome-platform-firmware-for-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux

Pull chrome platform firmware updates from Tzung-Bi Shih:

 - Set driver owner in the core registration so that coreboot drivers
   don't need to set it individually

* tag 'tag-chrome-platform-firmware-for-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
  firmware: google: cbmem: drop driver owner initialization
  firmware: coreboot: store owner from modules with coreboot_driver_register()
2024-05-13 16:48:15 -07:00
Rafael J. Wysocki
14449382b5 Merge branch 'pm-cpufreq'
Merge cpufreq updates for 6.10:

 - Rework the handling of disabled turbo in the intel_pstate driver and
   make it update the maximum CPU frequency consistently regardless of
   the reason on top of a number of cleanups (Rafael Wysocki).

 - Add missing checks for NULL .exit() cpufreq driver callback to the
   cpufreq core (Viresh Kumar).

 - Prevent pulicy->max from going above the frequency QoS maximum value
   when cpufreq_frequency_table_verify() is used (Xuewen Yan).

 - Prevent a negative CPU number or frequency value from being printed
   if they are really large (Joshua Yeong).

 - Update MAINTAINERS entry for amd-pstate to add two new submaintainers
   and a designated reviewer (Huang Rui).

 - Clean up the amd-pstate driver and update its documentation (Gautham
   Shenoy).

 - Fix the highest frequency issue in the amd-pstate driver which limits
   performance (Perry Yuan).

 - Enable CPPC v2 for certain processors in the family 17H, as requested
   by TR40 processor users who expect improved performance and lower
   system temperature (Perry Yuan).

 - Change latency and delay values to be read from platform firmware
   firstly for more accurate timing (Perry Yuan).

 - A new quirk is introduced for supporting amd-pstate on legacy
   processors which either lack CPPC capability, or only only have CPPC
   v2 capability (Perry Yuan).

 - Sun50i: Add support for opp_supported_hw, H616 platform and general
   cleanups (Andre Przywara, Martin Botka, Brandon Cheo Fusi, Dan
   Carpenter, Viresh Kumar).

 - CPPC: Fix possible null pointer dereference (Aleksandr Mishin).

 - Eliminate uses of of_node_put() (Javier Carrasco, and Shivani Gupta).

 - brcmstb-avs: ISO C90 forbids mixed declarations (Portia Stephens).

 - mediatek: Add support for MT7988A (Sam Shih).

 - cpufreq-qcom-hw: Add SM4450 compatibles in DT bindings (Tengfei Fan).

 - Fix struct cpudata::epp_cached kernel-doc in the intel_pstate cpufreq
   driver (Jeff Johnson).

* pm-cpufreq: (46 commits)
  cpufreq: amd-pstate: fix the highest frequency issue which limits performance
  cpufreq: intel_pstate: fix struct cpudata::epp_cached kernel-doc
  cpufreq: Fix up printing large CPU numbers and frequency values
  MAINTAINERS: cpufreq: amd-pstate: Add co-maintainers and reviewer
  cpufreq: amd-pstate: remove unused variable lowest_nonlinear_freq
  cpufreq: amd-pstate: fix code format problems
  cpufreq: amd-pstate: Add quirk for the pstate CPPC capabilities missing
  cppc_acpi: print error message if CPPC is unsupported
  cpufreq: amd-pstate: get transition delay and latency value from ACPI tables
  cpufreq: amd-pstate: Bail out if min/max/nominal_freq is 0
  cpufreq: amd-pstate: Remove amd_get_{min,max,nominal,lowest_nonlinear}_freq()
  cpufreq: amd-pstate: Unify computation of {max,min,nominal,lowest_nonlinear}_freq
  cpufreq: amd-pstate: Document the units for freq variables in amd_cpudata
  cpufreq: amd-pstate: Document *_limit_* fields in struct amd_cpudata
  dt-bindings: cpufreq: cpufreq-qcom-hw: Add SM4450 compatibles
  cpufreq: sun50i: fix error returns in dt_has_supported_hw()
  cpufreq: brcmstb-avs-cpufreq: ISO C90 forbids mixed declarations
  cpufreq: dt-platdev: eliminate uses of of_node_put()
  cpufreq: dt: eliminate uses of of_node_put()
  cpufreq: ti: Implement scope-based cleanup in ti_cpufreq_match_node()
  ...
2024-05-13 20:13:48 +02:00
Linus Torvalds
14a60290ed soc: drivers for 6.10
As usual, these are updates for drivers that are specific to certain
 SoCs or firmware running on them. Notable updates include
 
  - The new STMicroelectronics STM32 "firewall" bus driver that is
    used to provide a barrier between different parts of an SoC
 
  - Lots of updates for the Qualcomm platform drivers, in particular
    SCM, which gets a rewrite of its initialization code
 
  - Firmware driver updates for Arm FF-A notification interrupts
    and indirect messaging, SCMI firmware support for pin control
    and vendor specific interfaces, and TEE firmware interface
    changes across multiple TEE drivers
 
  - A larger cleanup of the Mediatek CMDQ driver and some related bits
 
  - Kconfig changes for riscv drivers to prepare for adding Kanaan
    k230 support
 
  - Multiple minor updates for the TI sysc bus driver, memory controllers,
    hisilicon hccs and more
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Merge tag 'soc-drivers-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull SoC driver updates from Arnd Bergmann:
 "As usual, these are updates for drivers that are specific to certain
  SoCs or firmware running on them.

  Notable updates include

   - The new STMicroelectronics STM32 "firewall" bus driver that is used
     to provide a barrier between different parts of an SoC

   - Lots of updates for the Qualcomm platform drivers, in particular
     SCM, which gets a rewrite of its initialization code

   - Firmware driver updates for Arm FF-A notification interrupts and
     indirect messaging, SCMI firmware support for pin control and
     vendor specific interfaces, and TEE firmware interface changes
     across multiple TEE drivers

   - A larger cleanup of the Mediatek CMDQ driver and some related bits

   - Kconfig changes for riscv drivers to prepare for adding Kanaan k230
     support

   - Multiple minor updates for the TI sysc bus driver, memory
     controllers, hisilicon hccs and more"

* tag 'soc-drivers-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (103 commits)
  firmware: qcom: uefisecapp: Allow on sc8180x Primus and Flex 5G
  soc: qcom: pmic_glink: Make client-lock non-sleeping
  dt-bindings: soc: qcom,wcnss: fix bluetooth address example
  soc/tegra: pmc: Add EQOS wake event for Tegra194 and Tegra234
  bus: stm32_firewall: fix off by one in stm32_firewall_get_firewall()
  bus: etzpc: introduce ETZPC firewall controller driver
  firmware: arm_ffa: Avoid queuing work when running on the worker queue
  bus: ti-sysc: Drop legacy idle quirk handling
  bus: ti-sysc: Drop legacy quirk handling for smartreflex
  bus: ti-sysc: Drop legacy quirk handling for uarts
  bus: ti-sysc: Add a description and copyrights
  bus: ti-sysc: Move check for no-reset-on-init
  soc: hisilicon: kunpeng_hccs: replace MAILBOX dependency with PCC
  soc: hisilicon: kunpeng_hccs: Add the check for obtaining complete port attribute
  firmware: arm_ffa: Fix memory corruption in ffa_msg_send2()
  bus: rifsc: introduce RIFSC firewall controller driver
  of: property: fw_devlink: Add support for "access-controller"
  soc: mediatek: mtk-socinfo: Correct the marketing name for MT8188GV
  soc: mediatek: mtk-socinfo: Add entry for MT8395AV/ZA Genio 1200
  soc: mediatek: mtk-mutex: Add support for MT8188 VPPSYS
  ...
2024-05-13 08:48:42 -07:00
Linus Torvalds
6c60000f0b soc: devicetree updates for 6.10, part 1
The updates this time are a bit smaller than most times, mainly because
 it is not totally dominated by new Qualcomm hardware support. Instead,
 we larger than average updates for Rockchips, NXP, Allwinner and TI.
 The only two new SoCs this time are both from NXP and are minor variants
 of already supported ones.
 
 The updates for aspeed, amlogic and mediatek came a little late, so
 I'm saving those for part 2 in a few days if everything turns out fine.
 
 New machines this time contain:
 
  - two Broadcom SoC based wireless routers from Asus
 
  - Five allwinner based consumer devices for gaming, set-top-box and
    eboot reader applications
 
  - Three older phones based on Qualcomm chips, plus the more recent
    Sony Xperia 1 V
 
  - 14 industrial and embedded boards based on NXP i.MX6, i.MX8,
    layerscape and s32g3 SoCs
 
  - six rockchips boards including another handheld game console
    and a few single-board computers
 
 On top of these, we have the usual cleanups for dtc warnings and
 updates to add more features to already merged machines.
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Merge tag 'soc-dt-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull SoC devicetree updates from Arnd Bergmann:
 "The updates this time are a bit smaller than most times, mainly
  because it is not totally dominated by new Qualcomm hardware support.

  Instead, we larger than average updates for Rockchips, NXP, Allwinner
  and TI. The only two new SoCs this time are both from NXP and are
  minor variants of already supported ones.

  The updates for aspeed, amlogic and mediatek came a little late, so
  I'm saving those for part 2 in a few days if everything turns out
  fine.

  New machines this time contain:

   - two Broadcom SoC based wireless routers from Asus

   - Five allwinner based consumer devices for gaming, set-top-box and
     eboot reader applications

   - Three older phones based on Qualcomm chips, plus the more recent
     Sony Xperia 1 V

   - 14 industrial and embedded boards based on NXP i.MX6, i.MX8,
     layerscape and s32g3 SoCs

   - six rockchips boards including another handheld game console and a
     few single-board computers

  On top of these, we have the usual cleanups for dtc warnings and
  updates to add more features to already merged machines"

* tag 'soc-dt-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (612 commits)
  arm64: dts: marvell: espressobin-ultra: fix Ethernet Switch unit address
  arm64: dts: marvell: turris-mox: drop unneeded flash address/size-cells
  arm64: dts: marvell: eDPU: drop redundant address/size-cells
  arm64: dts: qcom: pm6150: correct USB VBUS regulator compatible
  arm64: dts: rockchip: add rk3588 pcie and php IOMMUs
  arm64: dts: rockchip: enable onboard spi flash for rock-3a
  arm64: dts: rockchip: add USB-C support to rk3588s-orangepi-5
  arm64: dts: rockchip: Enable GPU on Orange Pi 5
  arm64: dts: rockchip: enable GPU on khadas-edge2
  arm64: dts: rockchip: Add USB3 on Edgeble NCM6A-IO board
  arm64: dts: rockchip: Support poweroff on Edgeble Neural Compute Module
  arm64: dts: rockchip: Add Radxa ROCK 3C
  dt-bindings: arm: rockchip: add Radxa ROCK 3C
  arm64: dts: exynos: gs101: specify empty clocks for remaining pinctrl
  arm64: dts: exynos: gs101: specify bus clock for pinctrl_hsi2
  arm64: dts: exynos: gs101: specify bus clock for pinctrl_peric[01]
  arm64: dts: exynos: gs101: specify bus clock for pinctrl (far) alive
  arm64: dts: Add/fix /memory node unit-addresses
  arm64: dts: qcom: qcs404: fix bluetooth device address
  arm64: dts: qcom: sc8280xp-x13s: enable USB MP and fingerprint reader
  ...
2024-05-13 08:45:18 -07:00
Linus Torvalds
6d7ddd8051 ARM SoC fixes for 6.9, part 3
These are a couple of last minute fixes that came in over the
 previous week, addressing:
 
  - A pin configuration bug on a qualcomm board that caused
    issues with ethernet and mmc.
 
  - Two minor code fixes for misleading console output in the
    microchip firmware driver.
 
  - A build warning in the sifive cache driver
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Merge tag 'soc-fixes-6.9-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "These are a couple of last minute fixes that came in over the previous
  week, addressing:

   - A pin configuration bug on a qualcomm board that caused issues with
     ethernet and mmc

   - Two minor code fixes for misleading console output in the microchip
     firmware driver

   - A build warning in the sifive cache driver"

* tag 'soc-fixes-6.9-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  firmware: microchip: clarify that sizes and addresses are in hex
  firmware: microchip: don't unconditionally print validation success
  arm64: dts: qcom: sa8155p-adp: fix SDHC2 CD pin configuration
  cache: sifive_ccache: Silence unused variable warning
2024-05-08 10:15:40 -07:00
Arnd Bergmann
1c97fe39fb A few more Qualcomm driver updates for v6.10
This fixes a sleep-while-atomic issue in pmic_glink, stemming from the
 fact that the GLINK callback comes from interrupt context.
 
 It fixes the Bluetooth address in the example of qcom,wcnss, and it
 enables UEFI variables on SC8180X devices (Primus and Flex 5G).
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Merge tag 'qcom-drivers-for-6.10-2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/drivers

A few more Qualcomm driver updates for v6.10

This fixes a sleep-while-atomic issue in pmic_glink, stemming from the
fact that the GLINK callback comes from interrupt context.

It fixes the Bluetooth address in the example of qcom,wcnss, and it
enables UEFI variables on SC8180X devices (Primus and Flex 5G).

* tag 'qcom-drivers-for-6.10-2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
  firmware: qcom: uefisecapp: Allow on sc8180x Primus and Flex 5G
  soc: qcom: pmic_glink: Make client-lock non-sleeping
  dt-bindings: soc: qcom,wcnss: fix bluetooth address example

Link: https://lore.kernel.org/r/20240508020900.204413-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-05-08 08:45:26 +02:00
Linus Torvalds
f094ee78e0 EFI fix for v6.9 (#1)
- Avoid triggering the softlockup watchdog when accepting large chunks
   of memory from the hypervisor
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Merge tag 'efi-urgent-for-v6.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi

Pull EFI fix from Ard Biesheuvel:
 "This works around a shortcoming in the memory acceptation API, which
  may apparently hog the CPU for long enough to trigger the softlockup
  watchdog.

  Note that this only affects confidential VMs running under the Intel
  TDX hypervisor, which is why I accepted this for now, but this should
  obviously be fixed properly in the future"

* tag 'efi-urgent-for-v6.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
  efi/unaccepted: touch soft lockup during memory accept
2024-05-03 12:05:19 -07:00
Arnd Bergmann
e067863132 TI SoC driver updates for v6.10
Generic Cleanups/Fixes:
 - wkup_m3_ipc: Minor optimization to send NULL dummy message instead of empty pointer message
 - ti_sci: Register restart handler unconditionally
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Merge tag 'ti-driver-soc-for-v6.10' of https://git.kernel.org/pub/scm/linux/kernel/git/ti/linux into soc/drivers

TI SoC driver updates for v6.10

Generic Cleanups/Fixes:
- wkup_m3_ipc: Minor optimization to send NULL dummy message instead of empty pointer message
- ti_sci: Register restart handler unconditionally

* tag 'ti-driver-soc-for-v6.10' of https://git.kernel.org/pub/scm/linux/kernel/git/ti/linux:
  soc: ti: wkup_m3_ipc: Send NULL dummy message instead of pointer message
  firmware: ti_sci: Unconditionally register reset handler
  firmware: ti_sci: Use devm_register_restart_handler()

Link: https://lore.kernel.org/r/20240501124300.i5jzeugdlrlnfg22@undrafted
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-05-02 15:12:01 +02:00
Bjorn Andersson
4b34d4c25d firmware: qcom: uefisecapp: Allow on sc8180x Primus and Flex 5G
Testing indicates that qseecom and uefisecapp are working on both the
SC8180X Primus and Lenovo Flex 5G, providing EFI variable access.

Add the two to the allow list.

Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240430-uefisecapp-allowlist-sc8180x-v1-1-1a626ea9c5f1@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-05-01 13:39:57 -05:00
Jean Delvare
0ef11f6045 firmware: dmi: Stop decoding on broken entry
If a DMI table entry is shorter than 4 bytes, it is invalid. Due to
how DMI table parsing works, it is impossible to safely recover from
such an error, so we have to stop decoding the table.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Link: https://lore.kernel.org/linux-kernel/Zh2K3-HLXOesT_vZ@liuwe-devbox-debian-v2/T/
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
2024-04-30 18:29:32 +02:00
Mark Brown
9f6bdb0aa1
ASoC: doc: dapm: various improvements
Merge series from Luca Ceresoli <luca.ceresoli@bootlin.com>:

This series applies various improvements to the DAPM documentation: a
rewrite of a few sections for clarity, style improvements and typo fixes.

Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
---
Changes in v2:
- avoid wrapping in patch 3 as suggested by Alex
- Link to v1: https://lore.kernel.org/r/20240416-dapm-docs-v1-0-a818d2819bf6@bootlin.com

---
Luca Ceresoli (12):
      ASoC: doc: dapm: fix typos
      ASoC: doc: dapm: fix struct name
      ASoC: doc: dapm: minor rewording
      ASoC: doc: dapm: remove dash after colon
      ASoC: doc: dapm: clarify it's an internal API
      ASoC: doc: dapm: replace "map" with "graph"
      ASoC: doc: dapm: extend initial descrption
      ASoC: doc: dapm: describe how widgets and routes are registered
      ASoC: doc: dapm: fix and improve section "Registering DAPM controls"
      ASoC: doc: dapm: improve section "Codec/DSP Widget Interconnections"
      ASoC: doc: dapm: update section "DAPM Widget Events"
      ASoC: doc: dapm: update event types

 Documentation/sound/soc/dapm-graph.svg | 375 +++++++++++++++++++++++++++++++++
 Documentation/sound/soc/dapm.rst       | 174 ++++++++++-----
 2 files changed, 492 insertions(+), 57 deletions(-)
---
base-commit: c942a0cd36
change-id: 20240315-dapm-docs-79bd51f267db

Best regards,
--
Luca Ceresoli <luca.ceresoli@bootlin.com>
2024-05-01 00:00:17 +09:00
Rafael J. Wysocki
6eff05526c ARM cpufreq updates for 6.10
- Sun50i: Add support for opp_supported_hw, H616 platform and general
   cleaups (Andre Przywara, Martin Botka, Brandon Cheo Fusi, Dan
   Carpenter, and Viresh Kumar).
 
 - cppc: Fix possible null pointer dereference (Aleksandr Mishin).
 
 - Eliminate uses of of_node_put() (Javier Carrasco, and Shivani Gupta).
 
 - brcmstb-avs: ISO C90 forbids mixed declarations (Portia Stephens).
 
 - mediatek: Add support for MT7988A (Sam Shih).
 
 - cpufreq-qcom-hw: Add SM4450 compatibles in DT bindings (Tengfei Fan).
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Merge tag 'cpufreq-arm-updates-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm

Merge ARM cpufreq updates for 6.10 from Viresh Kumar:

"- Sun50i: Add support for opp_supported_hw, H616 platform and general
   cleaups (Andre Przywara, Martin Botka, Brandon Cheo Fusi, Dan
   Carpenter, and Viresh Kumar).

 - cppc: Fix possible null pointer dereference (Aleksandr Mishin).

 - Eliminate uses of of_node_put() (Javier Carrasco, and Shivani Gupta).

 - brcmstb-avs: ISO C90 forbids mixed declarations (Portia Stephens).

 - mediatek: Add support for MT7988A (Sam Shih).

 - cpufreq-qcom-hw: Add SM4450 compatibles in DT bindings (Tengfei
   Fan)."

* tag 'cpufreq-arm-updates-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
  dt-bindings: cpufreq: cpufreq-qcom-hw: Add SM4450 compatibles
  cpufreq: sun50i: fix error returns in dt_has_supported_hw()
  cpufreq: brcmstb-avs-cpufreq: ISO C90 forbids mixed declarations
  cpufreq: dt-platdev: eliminate uses of of_node_put()
  cpufreq: dt: eliminate uses of of_node_put()
  cpufreq: ti: Implement scope-based cleanup in ti_cpufreq_match_node()
  cpufreq: mediatek: Add support for MT7988A
  cpufreq: sun50i: Fix build warning around snprint()
  arm64: dts: allwinner: h616: enable DVFS for all boards
  arm64: dts: allwinner: h616: Add CPU OPPs table
  cpufreq: sun50i: Add H616 support
  cpufreq: sun50i: Add support for opp_supported_hw
  cpufreq: sun50i: Refactor speed bin decoding
  dt-bindings: opp: Describe H616 OPPs and opp-supported-hw
  cpufreq: dt-platdev: Blocklist Allwinner H616/618 SoCs
  firmware: smccc: Export revision soc_id function
  cppc_cpufreq: Fix possible null pointer dereference
  cpupfreq: tegra124: eliminate uses of of_node_put()
2024-04-30 12:46:02 +02:00
Arnd Bergmann
e845bcc8cf RISC-V SoC driver fixes for v6.9-rc6
firmware:
 Two changes for misleading printouts from the auto update driver, one
 for an erroneous success message and the other to make it clear
 addresses are in hex.
 
 cache:
 Samuel's fix for the ccache driver left an unused variable, so he
 sent a follow up patch to silence that complaint.
 
 Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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Merge tag 'riscv-soc-fixes-for-v6.9-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux into arm/fixes

RISC-V SoC driver fixes for v6.9-rc6

firmware:
Two changes for misleading printouts from the auto update driver, one
for an erroneous success message and the other to make it clear
addresses are in hex.

cache:
Samuel's fix for the ccache driver left an unused variable, so he
sent a follow up patch to silence that complaint.

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>

* tag 'riscv-soc-fixes-for-v6.9-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux:
  firmware: microchip: clarify that sizes and addresses are in hex
  firmware: microchip: don't unconditionally print validation success
  cache: sifive_ccache: Silence unused variable warning

Link: https://lore.kernel.org/r/20240427-unflawed-humorless-690472f9c5a0@spud
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-04-30 12:31:22 +02:00
Arnd Bergmann
07b8c4bbff This pull request contains Broadcom ARM-based SoCs Device Tree changes
for 6.10, please pull the following:
 
 - Laurent converts the Raspberry Pi firmware DT binding to YAML, updates
   the firmware driver to use the proper 'struct device' reference for
   DMA mappings and drops unneeded properties from the DT node and
   finishes by removing the duplicate firmware-clocks property to
   bcm2835-rpi.dtsi. He also added support for the CAM1 camera interface
   regulator.
 
 - Uwe adds a pinctrl-based multiplexing description to allow the use of
   I2C0 pins to allow usage between the 40-pin Raspberry Pi header and
   the CSI and DSI connectors. He then describes the PCF85063 RTC device
   available on the CM4 I/O board making use of that pinctrl-based
   muxing.
 
 - Arinc updates the Asus RT-AC3100 and RT-AC88U DTs to have proper LED
   colors and function properties, NVMEM MAC addresses and removes
   duplicates and unnecessary properties and does a few Device Tree
   cleanups.. He then adds support for the Asus RT-AC3200 (BCM4709-based)
   and RT-AC3500 routers.
 
 - Jean-Michel adds DT nodes for the CSI Unicam camera interfaces on the
   Raspberry Pi 4 / BCM2711 SoCs
 
 - Florian adds support for the Ethernet LEDs on Raspberry Pi 4 B and
   Raspberry Pi 4 CM boards.
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Merge tag 'arm-soc/for-6.10/devicetree' of https://github.com/Broadcom/stblinux into soc/dt

This pull request contains Broadcom ARM-based SoCs Device Tree changes
for 6.10, please pull the following:

- Laurent converts the Raspberry Pi firmware DT binding to YAML, updates
  the firmware driver to use the proper 'struct device' reference for
  DMA mappings and drops unneeded properties from the DT node and
  finishes by removing the duplicate firmware-clocks property to
  bcm2835-rpi.dtsi. He also added support for the CAM1 camera interface
  regulator.

- Uwe adds a pinctrl-based multiplexing description to allow the use of
  I2C0 pins to allow usage between the 40-pin Raspberry Pi header and
  the CSI and DSI connectors. He then describes the PCF85063 RTC device
  available on the CM4 I/O board making use of that pinctrl-based
  muxing.

- Arinc updates the Asus RT-AC3100 and RT-AC88U DTs to have proper LED
  colors and function properties, NVMEM MAC addresses and removes
  duplicates and unnecessary properties and does a few Device Tree
  cleanups.. He then adds support for the Asus RT-AC3200 (BCM4709-based)
  and RT-AC3500 routers.

- Jean-Michel adds DT nodes for the CSI Unicam camera interfaces on the
  Raspberry Pi 4 / BCM2711 SoCs

- Florian adds support for the Ethernet LEDs on Raspberry Pi 4 B and
  Raspberry Pi 4 CM boards.

* tag 'arm-soc/for-6.10/devicetree' of https://github.com/Broadcom/stblinux:
  arm: dts: bcm2711: Describe Ethernet LEDs
  ARM: dts: BCM5301X: Conform to DTS Coding Style on ASUS RT-AC3100 & AC88U
  ARM: dts: BCM5301X: Add DT for ASUS RT-AC5300
  ARM: dts: BCM5301X: Add DT for ASUS RT-AC3200
  dt-bindings: arm: bcm: add bindings for ASUS RT-AC5300
  dt-bindings: arm: bcm: add bindings for ASUS RT-AC3200
  ARM: dts: bcm2835: Add Unicam CSI nodes
  ARM: dts: BCM5301X: remove earlycon on ASUS RT-AC3100 and ASUS RT-AC88U
  ARM: dts: BCM5301X: remove duplicate compatible on ASUS RT-AC3100 & AC88U
  ARM: dts: BCM5301X: provide address for SoC MACs on ASUS RT-AC3100 & AC88U
  ARM: dts: BCM5301X: use color and function on ASUS RT-AC3100 and RT-AC88U
  ARM: dts: bcm2711-rpi-4-b: Add CAM1 regulator
  ARM: dts: bcm2711-rpi-cm4-io: Add RTC on I2C0
  ARM: dts: bcm2711-rpi: Add pinctrl-based multiplexing for I2C0
  ARM: dts: bcm2835-rpi: Move duplicate firmware-clocks to bcm2835-rpi.dtsi
  ARM: dts: bcm283x: Drop unneeded properties in the bcm2835-firmware node
  firmware: raspberrypi: Use correct device for DMA mappings
  dt-bindings: arm: bcm: raspberrypi,bcm2835-firmware: Add gpio child node

Link: https://lore.kernel.org/r/20240429213703.2327834-2-florian.fainelli@broadcom.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-04-30 09:56:17 +02:00
Arnd Bergmann
93f9f5a489 Arm FF-A updates for v6.10
1. Support for handling notification pending interrupt(NPI)
 
    The FF-A uses the notification pending interrupt to inform the receiver
    that it has a pending notification. This is a virtual interrupt and is
    used by the following type of receivers:
    - A guest/VM running under a hypervisor(normal world usecase)
    - An S-EL1 SP running under a S-EL2 SPMC(secure world only usecase)
 
    Also, when the FF-A driver is running inside a guest VM under an
    hypervisor, the driver/guest VM doesn't have the permission/capability
    to request the creation of notification bitmaps. For a VM, the hypervisor
    reserves memory for its VM and hypervisor framework notification bitmaps
    and the SPMC reserves memory for its SP and SPMC framework notification
    bitmaps before the hypervisor initializes it.
 
    These changes include skipping of creation of notification bitmaps, some
    refactoring around schedule receiver interrupt(SRI) handling and addition
    of support for NPI.
 
 2. Support for FF-A indirect messaging
 
    The FFA_MSG_SEND2 can be used to transmit a partition message from
    the Tx buffer of the sender(the driver in this case) endpoint to the Rx
    buffer of the receiver endpoint and inform the scheduler that the
    receiver endpoint must be run.
 
 Apart from these two main features, there is an optimisation to avoid
 queuing of a work when already running on the worker queue.
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Merge tag 'ffa-updates-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into soc/drivers

Arm FF-A updates for v6.10

1. Support for handling notification pending interrupt(NPI)

   The FF-A uses the notification pending interrupt to inform the receiver
   that it has a pending notification. This is a virtual interrupt and is
   used by the following type of receivers:
   - A guest/VM running under a hypervisor(normal world usecase)
   - An S-EL1 SP running under a S-EL2 SPMC(secure world only usecase)

   Also, when the FF-A driver is running inside a guest VM under an
   hypervisor, the driver/guest VM doesn't have the permission/capability
   to request the creation of notification bitmaps. For a VM, the hypervisor
   reserves memory for its VM and hypervisor framework notification bitmaps
   and the SPMC reserves memory for its SP and SPMC framework notification
   bitmaps before the hypervisor initializes it.

   These changes include skipping of creation of notification bitmaps, some
   refactoring around schedule receiver interrupt(SRI) handling and addition
   of support for NPI.

2. Support for FF-A indirect messaging

   The FFA_MSG_SEND2 can be used to transmit a partition message from
   the Tx buffer of the sender(the driver in this case) endpoint to the Rx
   buffer of the receiver endpoint and inform the scheduler that the
   receiver endpoint must be run.

Apart from these two main features, there is an optimisation to avoid
queuing of a work when already running on the worker queue.

* tag 'ffa-updates-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
  firmware: arm_ffa: Avoid queuing work when running on the worker queue
  firmware: arm_ffa: Fix memory corruption in ffa_msg_send2()
  firmware: arm_ffa: Add support for FFA_MSG_SEND2
  firmware: arm_ffa: Stash the partition properties for query purposes
  firmware: arm_ffa: Fix kernel warning about incorrect SRI/NPI
  firmware: arm_ffa: Add support for handling notification pending interrupt(NPI)
  firmware: arm_ffa: Refactor SRI handling in prepartion to add NPI support
  firmware: arm_ffa: Skip creation of the notification bitmaps

Link: https://lore.kernel.org/r/20240426105051.1527016-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-04-29 22:53:53 +02:00
Arnd Bergmann
21cbc1058a Arm SCMI updates for v6.10
1. Basic support for SCMI v3.2 pincontrol protocol
 
    SCMI v3.2 introduces pincontrol protocol which is intended for
    controlling pins and their configuration. The pin control protocol
    provides commands to:
    - List the pins, groups of pins, available functions, and their
      association with each other.
    - Set the parameter configuration and multiplexing of the pins or
      groups of pins
    - Optionally request exclusive access to a pin or group of pins.
    - Optionally configure the permissions of an agent to access a pin
      or group of pins.
 
   These changes adds basic support for the same in the SCMI core layer
   and an implementation of the generic scmi-pinctrl driver with associated
   DT bindings.
 
 2. Framework support for multiple vendors custom protocols
 
    With the fixed space for vendor protocols, the possibility of having
    multiple vendors implementing distinct SCMI vendor protocols with
    the same overlapping protocol number is very high and with the need
    to support them all in a single kernel image or a module is also high.
 
    In order to implement the same we assume:
    - vendor protocols has to be tagged at build time with a vendor_id
    - vendor protocols could also optionally be tagged at build time with
      sub_vendor_id and implementation version
 
   At the initialisation all the built vendor protocols are registered
   with the SCMI core using a key derived from the above tags
 
 3. Logging and tracing improvements
 
    This includes using dev_err_probe() to bail out from probe, adding
    message dump traces for bad and unexpected replies and widening of
    the tag buffer in trace_scmi_dump_msg to allow diverse tag names
 
 4. Miscellaneous updates or improvements
 
    This includes adding the accessor function get_max_msg_size() used
    in pinctl protocol, updation of dt-bindings examples for protocol@13
    to promote new bindings and simplification of scmi_devm_notifier_unregister
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Merge tag 'scmi-updates-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into soc/drivers

Arm SCMI updates for v6.10

1. Basic support for SCMI v3.2 pincontrol protocol

   SCMI v3.2 introduces pincontrol protocol which is intended for
   controlling pins and their configuration. The pin control protocol
   provides commands to:
   - List the pins, groups of pins, available functions, and their
     association with each other.
   - Set the parameter configuration and multiplexing of the pins or
     groups of pins
   - Optionally request exclusive access to a pin or group of pins.
   - Optionally configure the permissions of an agent to access a pin
     or group of pins.

  These changes adds basic support for the same in the SCMI core layer
  and an implementation of the generic scmi-pinctrl driver with associated
  DT bindings.

2. Framework support for multiple vendors custom protocols

   With the fixed space for vendor protocols, the possibility of having
   multiple vendors implementing distinct SCMI vendor protocols with
   the same overlapping protocol number is very high and with the need
   to support them all in a single kernel image or a module is also high.

   In order to implement the same we assume:
   - vendor protocols has to be tagged at build time with a vendor_id
   - vendor protocols could also optionally be tagged at build time with
     sub_vendor_id and implementation version

  At the initialisation all the built vendor protocols are registered
  with the SCMI core using a key derived from the above tags

3. Logging and tracing improvements

   This includes using dev_err_probe() to bail out from probe, adding
   message dump traces for bad and unexpected replies and widening of
   the tag buffer in trace_scmi_dump_msg to allow diverse tag names

4. Miscellaneous updates or improvements

   This includes adding the accessor function get_max_msg_size() used
   in pinctl protocol, updation of dt-bindings examples for protocol@13
   to promote new bindings and simplification of scmi_devm_notifier_unregister

* tag 'scmi-updates-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
  pinctrl: Implementation of the generic scmi-pinctrl driver
  firmware: arm_scmi: Add basic support for SCMI v3.2 pincontrol protocol
  dt-bindings: firmware: Support SCMI pinctrl protocol
  firmware: arm_scmi: Introduce get_max_msg_size() helper/accessor
  firmware: arm_scmi: Add support for multiple vendors custom protocols
  dt-bindings: firmware: arm,scmi: Update examples for protocol@13
  firmware: arm_scmi: Avoid non-constant printk format strings
  firmware: arm_scmi: Use dev_err_probe to bail out
  firmware: arm_scmi: Simplify scmi_devm_notifier_unregister
  firmware: arm_scmi: Add message dump traces for bad and unexpected replies
  firmware: arm_scmi: Add helper to trace bad messages
  include: trace: Widen the tag buffer in trace_scmi_dump_msg
  firmware: arm_scmi: Log the perf domain names in the error paths

Link: https://lore.kernel.org/r/20240426105031.1526987-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-04-29 22:49:58 +02:00
Arnd Bergmann
02c2c1900f Qualcomm driver updates for v6.10
The Qualcomm SCM driver initialization order is improved, to avoid any
 potential for a client to find a half-initialized SCM instance.
 The handling of download mode bits is updated to not attempt
 QCOM_SCM_BOOT_SET_DLOAD_MODE if a io-address for the update is
 specified, and that path is changed to perform a read-modify-write to
 avoid updating unrelated bits.  Error handling is corrected in the
 peripheral authentication service (PAS) functions, to release
 interconnect bandwidth votes in the case of an error. An unwanted error
 print on allocation error is also removed from this code path.
 
 The QSEECOM allow list is marked __maybe_unused to avoid build warnings
 when built with !OF. The error handling related to the interconnect API
 is cleaned up to avoid handling the impossible IS_ERR() condition.
 
 initcall level is bumped to "core" for cmd-db and rpmh-rsc, as dependent
 drivers like regulators, interconnects and clocks are registered at this
 level.
 
 Another attempt is made to remove the strncpy() usage in cmd-db, this
 time with strtomem_pad() which has the correct characteristics.
 
 The bwmon regmap cache is changed to maple tree.
 
 After an attempt to add missing MODULE_DEVICE_TABLEs to debug drivers,
 the intention of not having them automatically load is documented.
 
 Operations on the pmic_glink client list is put under mutual exclusion,
 to avoid races when clients are being registered. pmic_glink client
 registered after the firmware notification arrived was not informed that
 the firmware was up, this is resolved.
 
 More DSPs and the apss subsystem is added to the Qualcomm sleep stats driver.
 
 Checks for in-flight regulator requests in the RPMh RSC driver is
 improved to deal with the fact that these occupy multiple registers, so
 it's insufficient to just to direct address comparison.
 
 The socinfo drivers learns about X1 Elite and SMB2360 PMIC.
 
 The maintainers entry is split between the linux-arm-msm list and
 subset that is maintained in the qcom-soc tree, to avoid some confusion
 about maintainership.
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Merge tag 'qcom-drivers-for-6.10' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/drivers

Qualcomm driver updates for v6.10

The Qualcomm SCM driver initialization order is improved, to avoid any
potential for a client to find a half-initialized SCM instance.
The handling of download mode bits is updated to not attempt
QCOM_SCM_BOOT_SET_DLOAD_MODE if a io-address for the update is
specified, and that path is changed to perform a read-modify-write to
avoid updating unrelated bits.  Error handling is corrected in the
peripheral authentication service (PAS) functions, to release
interconnect bandwidth votes in the case of an error. An unwanted error
print on allocation error is also removed from this code path.

The QSEECOM allow list is marked __maybe_unused to avoid build warnings
when built with !OF. The error handling related to the interconnect API
is cleaned up to avoid handling the impossible IS_ERR() condition.

initcall level is bumped to "core" for cmd-db and rpmh-rsc, as dependent
drivers like regulators, interconnects and clocks are registered at this
level.

Another attempt is made to remove the strncpy() usage in cmd-db, this
time with strtomem_pad() which has the correct characteristics.

The bwmon regmap cache is changed to maple tree.

After an attempt to add missing MODULE_DEVICE_TABLEs to debug drivers,
the intention of not having them automatically load is documented.

Operations on the pmic_glink client list is put under mutual exclusion,
to avoid races when clients are being registered. pmic_glink client
registered after the firmware notification arrived was not informed that
the firmware was up, this is resolved.

More DSPs and the apss subsystem is added to the Qualcomm sleep stats driver.

Checks for in-flight regulator requests in the RPMh RSC driver is
improved to deal with the fact that these occupy multiple registers, so
it's insufficient to just to direct address comparison.

The socinfo drivers learns about X1 Elite and SMB2360 PMIC.

The maintainers entry is split between the linux-arm-msm list and
subset that is maintained in the qcom-soc tree, to avoid some confusion
about maintainership.

* tag 'qcom-drivers-for-6.10' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (21 commits)
  soc: qcom: cmd-db: replace deprecated strncpy with strtomem
  soc: qcom: rpmh-rsc: Enhance check for VRM in-flight request
  firmware: qcom: scm: Modify only the download bits in TCSR register
  firmware: qcom: scm: Fix __scm and waitq completion variable initialization
  firmware: qcom: scm: Rework dload mode availability check
  firmware: qcom: scm: Remove redundant scm argument from qcom_scm_waitq_wakeup()
  firmware: qcom: scm: Remove log reporting memory allocation failure
  soc: qcom: pmic_glink: notify clients about the current state
  soc: qcom: pmic_glink: don't traverse clients list without a lock
  soc: qcom: mention intentionally broken module autoloading
  firmware: qcom: qcm: fix unused qcom_scm_qseecom_allowlist
  MAINTAINERS: Split Qualcomm SoC and linux-arm-msm entries
  soc: qcom: qcom_stats: Add DSPs and apss subsystem stats
  dt-bindings: soc: qcom: qcom,pmic-glink: document QCM6490 compatible
  soc: qcom: socinfo: Add SMB2360 PMIC
  soc: qcom: socinfo: Add X1E80100 SoC ID table entry
  dt-bindings: arm: qcom,ids: Add SoC ID for X1E80100
  soc: qcom: Update init level to core_initcall() for cmd-db and rpmh-rsc
  soc: qcom: icc-bwmon: Convert to use maple tree register cache
  firmware: qcom_scm: remove IS_ERR() checks from qcom_scm_bw_{en,dis}able()
  ...

Link: https://lore.kernel.org/r/20240427160917.1431354-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-04-29 22:23:14 +02:00
Hagar Hemdan
4b2543f7e1 efi: libstub: only free priv.runtime_map when allocated
priv.runtime_map is only allocated when efi_novamap is not set.
Otherwise, it is an uninitialized value.  In the error path, it is freed
unconditionally.  Avoid passing an uninitialized value to free_pool.
Free priv.runtime_map only when it was allocated.

This bug was discovered and resolved using Coverity Static Analysis
Security Testing (SAST) by Synopsys, Inc.

Fixes: f80d26043a ("efi: libstub: avoid efi_get_memory_map() for allocating the virt map")
Cc: <stable@vger.kernel.org>
Signed-off-by: Hagar Hemdan <hagarhem@amazon.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
2024-04-29 17:47:32 +02:00
Arnd Bergmann
14672a9b3e Qualcomm driver fix for v6.9
This reworks the memory layout of the argument buffers passed to trusted
 applications in QSEECOM, to avoid failures and system crashes.
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Merge tag 'qcom-drivers-fixes-for-6.9' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into for-next

Qualcomm driver fix for v6.9

This reworks the memory layout of the argument buffers passed to trusted
applications in QSEECOM, to avoid failures and system crashes.

* tag 'qcom-drivers-fixes-for-6.9' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
  firmware: qcom: uefisecapp: Fix memory related IO errors and crashes

Link: https://lore.kernel.org/r/20240420163816.1133528-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-04-26 18:08:02 +02:00
Sudeep Holla
3a3e2b83e8 firmware: arm_ffa: Avoid queuing work when running on the worker queue
Currently notif_pcpu_irq_work_fn() may get queued from the work that is
already running on the 'notif_pcpu_wq' workqueue. This may add
unnecessary delays and could be avoided if the work is called directly
instead.

This change removes queuing of the work when already running on the
'notif_pcpu_wq' workqueue thereby removing any possible delays in that
path.

Link: https://lore.kernel.org/r/20240424131640.706870-1-sudeep.holla@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2024-04-25 12:27:55 +01:00
Conor Dooley
3aa20d1f7b firmware: microchip: clarify that sizes and addresses are in hex
As it says on the tin. It can be kinda confusing when "22830" is in hex,
so prefix the hex numbers with a "0x".

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
2024-04-24 22:02:20 +01:00
Conor Dooley
6e3b7e862e firmware: microchip: don't unconditionally print validation success
If validation fails, both prints are made. Skip the success one in the
failure case.

Fixes: ec5b0f1193 ("firmware: microchip: add PolarFire SoC Auto Update support")
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
2024-04-24 22:02:20 +01:00
Chen Yu
1c5a1627f4 efi/unaccepted: touch soft lockup during memory accept
Commit 50e782a86c ("efi/unaccepted: Fix soft lockups caused by
parallel memory acceptance") has released the spinlock so other CPUs can
do memory acceptance in parallel and not triggers softlockup on other
CPUs.

However the softlock up was intermittent shown up if the memory of the
TD guest is large, and the timeout of softlockup is set to 1 second:

 RIP: 0010:_raw_spin_unlock_irqrestore
 Call Trace:
 ? __hrtimer_run_queues
 <IRQ>
 ? hrtimer_interrupt
 ? watchdog_timer_fn
 ? __sysvec_apic_timer_interrupt
 ? __pfx_watchdog_timer_fn
 ? sysvec_apic_timer_interrupt
 </IRQ>
 ? __hrtimer_run_queues
 <TASK>
 ? hrtimer_interrupt
 ? asm_sysvec_apic_timer_interrupt
 ? _raw_spin_unlock_irqrestore
 ? __sysvec_apic_timer_interrupt
 ? sysvec_apic_timer_interrupt
 accept_memory
 try_to_accept_memory
 do_huge_pmd_anonymous_page
 get_page_from_freelist
 __handle_mm_fault
 __alloc_pages
 __folio_alloc
 ? __tdx_hypercall
 handle_mm_fault
 vma_alloc_folio
 do_user_addr_fault
 do_huge_pmd_anonymous_page
 exc_page_fault
 ? __do_huge_pmd_anonymous_page
 asm_exc_page_fault
 __handle_mm_fault

When the local irq is enabled at the end of accept_memory(), the
softlockup detects that the watchdog on single CPU has not been fed for
a while. That is to say, even other CPUs will not be blocked by
spinlock, the current CPU might be stunk with local irq disabled for a
while, which hurts not only nmi watchdog but also softlockup.

Chao Gao pointed out that the memory accept could be time costly and
there was similar report before. Thus to avoid any softlocup detection
during this stage, give the softlockup a flag to skip the timeout check
at the end of accept_memory(), by invoking touch_softlockup_watchdog().

Reported-by: Hossain, Md Iqbal <md.iqbal.hossain@intel.com>
Signed-off-by: Chen Yu <yu.c.chen@intel.com>
Reviewed-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Fixes: 50e782a86c ("efi/unaccepted: Fix soft lockups caused by parallel memory acceptance")
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
2024-04-24 19:11:34 +02:00
Dan Carpenter
ddfade88f4 firmware: arm_ffa: Fix memory corruption in ffa_msg_send2()
The "msg" pointer is a struct and msg->offset is the sizeof(*msg).  The
pointer here math means the memcpy() will write outside the bounds.
Cast "msg" to a u8 pointer to fix this.

Fixes: 02c19d84c7 ("firmware: arm_ffa: Add support for FFA_MSG_SEND2")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/cd5fb6b5-81fa-4a6d-b2b8-284ca704bbff@moroto.mountain
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2024-04-24 14:19:45 +01:00
Greg Kroah-Hartman
e5019b1423 Merge 6.9-rc5 into driver-core-next
We want the kernfs fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-04-23 13:27:43 +02:00
Mukesh Ojha
b9718298e0 firmware: qcom: scm: Modify only the download bits in TCSR register
Crashdump collection is done based on DLOAD bits of TCSR register.
To retain other bits, scm driver need to read the register and
modify only the DLOAD bits, as other bits in TCSR may have their
own significance.

Co-developed-by: Poovendhan Selvaraj <quic_poovendh@quicinc.com>
Signed-off-by: Poovendhan Selvaraj <quic_poovendh@quicinc.com>
Signed-off-by: Mukesh Ojha <quic_mojha@quicinc.com>
Tested-by: Kathiravan Thirumoorthy <quic_kathirav@quicinc.com> # IPQ9574 and IPQ5332
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Elliot Berman <quic_eberman@quicinc.com>
Link: https://lore.kernel.org/r/1711042655-31948-1-git-send-email-quic_mojha@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-04-21 12:08:30 -05:00
Mukesh Ojha
2e4955167e firmware: qcom: scm: Fix __scm and waitq completion variable initialization
It is possible qcom_scm_is_available() gives wrong indication that
if __scm is initialized while __scm->dev is not and similar issue
is also possible with __scm->waitq_comp.

Fix this appropriately by the use of release barrier and read barrier
that will make sure if __scm is initialized so, is all of its field
variable.

Fixes: d0f6fa7ba2 ("firmware: qcom: scm: Convert SCM to platform driver")
Fixes: 6bf3259922 ("firmware: qcom: scm: Add wait-queue handling logic")
Signed-off-by: Mukesh Ojha <quic_mojha@quicinc.com>
Link: https://lore.kernel.org/r/1711034642-22860-4-git-send-email-quic_mojha@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-04-21 12:08:06 -05:00
Mukesh Ojha
398a4c58f3 firmware: qcom: scm: Rework dload mode availability check
QCOM_SCM_BOOT_SET_DLOAD_MODE scm command is applicable for very
older SoCs where this command is supported from firmware and
for newer SoCs, dload mode tcsr registers is used for setting
the download mode.

Currently, qcom_scm_set_download_mode() checks for availability
of QCOM_SCM_BOOT_SET_DLOAD_MODE command even for SoCs where this
is not used. Fix this by switching the condition to keep the
command availability check only if dload mode registers are not
available.

Signed-off-by: Mukesh Ojha <quic_mojha@quicinc.com>
Reviewed-by: Elliot Berman <quic_eberman@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/1711034642-22860-3-git-send-email-quic_mojha@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-04-21 12:08:06 -05:00
Mukesh Ojha
000636d91d firmware: qcom: scm: Remove redundant scm argument from qcom_scm_waitq_wakeup()
Remove redundant scm argument from qcom_scm_waitq_wakeup().

Signed-off-by: Mukesh Ojha <quic_mojha@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/1711034642-22860-2-git-send-email-quic_mojha@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-04-21 12:08:01 -05:00
Mukesh Ojha
3de990f789 firmware: qcom: scm: Remove log reporting memory allocation failure
Remove redundant memory allocation failure.

WARNING: Possible unnecessary 'out of memory' message
+       if (!mdata_buf) {
+               dev_err(__scm->dev, "Allocation of metadata buffer failed.\n");

Signed-off-by: Mukesh Ojha <quic_mojha@quicinc.com>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/1711034642-22860-1-git-send-email-quic_mojha@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-04-21 12:07:10 -05:00
Peng Fan
2145af01b9 firmware: arm_scmi: Add basic support for SCMI v3.2 pincontrol protocol
Add basic implementation of the SCMI v3.2 pincontrol protocol.

Co-developed-by: Oleksii Moisieiev <oleksii_moisieiev@epam.com>
Signed-off-by: Oleksii Moisieiev <oleksii_moisieiev@epam.com>
Co-developed-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/20240418-pinctrl-scmi-v11-3-499dca9864a7@nxp.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2024-04-19 15:17:37 +01:00
Peng Fan
4869b5cc96 firmware: arm_scmi: Introduce get_max_msg_size() helper/accessor
When the agent is sending data to the SCMI platform, the drivers in the
agent could check the maximum message size supported to avoid potential
protocol buffer overflow.

Introduce the helper/accessor function get_max_msg_size() for the same.

Reviewed-by: Cristian Marussi <cristian.marussi@arm.com>
Reviewed-by: Dhruva Gole <d-gole@ti.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/20240418-pinctrl-scmi-v11-1-499dca9864a7@nxp.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2024-04-19 15:17:37 +01:00
Martin Botka
9cf3415ade firmware: smccc: Export revision soc_id function
The "SoC ID revision" as provided via the SMCCC SOCID interface can be
valuable information for drivers, when certain functionality depends
on a die revision, for instance.
One example is the sun50i-cpufreq-nvmem driver, which needs this
information to determine the speed bin of the SoC.

Export the arm_smccc_get_soc_id_revision() function so that it can be
called by any driver.

Signed-off-by: Martin Botka <martin.botka@somainline.org>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
2024-04-19 12:34:27 +05:30
Sudeep Holla
02c19d84c7 firmware: arm_ffa: Add support for FFA_MSG_SEND2
The FFA_MSG_SEND2 can be  used to transmit a partition message from
the Tx buffer of the sender(the driver in this case) endpoint to the Rx
buffer of the receiver endpoint.

An invocation of the FFA_MSG_SEND2 transfers the ownership of the Tx
buffer to the receiver endpoint(or any intermediate consumer). Completion
of an FFA_MSG_SEND2 invocation transfers the ownership of the buffer
back to the sender endpoint.

The framework defines the FFA_MSG_SEND2 interface to transmit a partition
message from the Tx buffer of the sender to the Rx buffer of a receiver
and inform the scheduler that the receiver must be run.

Link: https://lore.kernel.org/r/20240417090931.2866487-1-sudeep.holla@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2024-04-18 18:29:50 +01:00
Sudeep Holla
3c258bf6bf firmware: arm_ffa: Stash the partition properties for query purposes
The properies obtained from the partition information descriptor as
part of initial partitions discovery is useful as it contain info
if the partition
- Runs in AArch64 or AArch32 execution state
- Can send and/or receive direct requests
- Can send and receive indirect message
- Does support receipt of notifications.

These can be used for querying before attempting to do any of the
above operations.

Link: https://lore.kernel.org/r/20240417090921.2866447-1-sudeep.holla@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2024-04-18 18:29:49 +01:00
Sudeep Holla
0370fb127c firmware: arm_ffa: Fix kernel warning about incorrect SRI/NPI
If the firmware returns incorrect SRI/NRI number, we fail to set it up
in the kernel which is absolutely fine.

However, we don't reset the stashed value of sched_recv or notif_pend
IRQs. When we call ffa_notifications_cleanup() in case of failures to
setup the notifications, we end up calling free_percpu_irq() from
ffa_uninit_pcpu_irq() which results in the following warning:

  |  genirq: Flags mismatch irq 6. 00004401 (ARM-FFA-NPI) vs. 00004400 (IPI)
  |  ARM FF-A: Error registering percpu NPI nIRQ 6 : -16
  |  ARM FF-A: Notification setup failed -16, not enabled
  |  ------------[ cut here ]------------
  |  Trying to free already-free IRQ 6
  |  WARNING: CPU: 2 PID: 1 at kernel/irq/manage.c:2476 __free_percpu_irq+0x6c/0x138
  |  Modules linked in:
  |  CPU: 2 PID: 1 Comm: swapper/0 Not tainted 6.9.0-rc3 #211
  |  Hardware name: FVP Base RevC (DT)
  |  pstate: 614000c9 (nZCv daIF +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
  |  pc : __free_percpu_irq+0x6c/0x138
  |  lr : __free_percpu_irq+0x6c/0x138
  |  Call trace:
  |   __free_percpu_irq+0x6c/0x138
  |   free_percpu_irq+0x48/0x84
  |   ffa_notifications_cleanup+0x78/0x164
  |   ffa_notifications_setup+0x368/0x3c0
  |   ffa_init+0x2b4/0x36c
  |   do_one_initcall+0xe0/0x258
  |   do_initcall_level+0x8c/0xac
  |   do_initcalls+0x54/0x94
  |   do_basic_setup+0x1c/0x28
  |   kernel_init_freeable+0x108/0x174
  |   kernel_init+0x20/0x1a4
  |   ret_from_fork+0x10/0x20

Fix the same by resetting the stashed copy of IRQ values to 0 in case
of any failure to set them up properly.

Cc: Jens Wiklander <jens.wiklander@linaro.org>
Link: https://lore.kernel.org/r/20240418102932.3093576-1-sudeep.holla@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2024-04-18 11:30:49 +01:00
Cristian Marussi
fc110108b9 firmware: arm_scmi: Add support for multiple vendors custom protocols
Add a mechanism to be able to tag vendor protocol modules at compile-time
with a vendor/sub_vendor string and an implementation version and then to
choose to load, at run-time, only those vendor protocol modules matching
as close as possible the vendor/subvendor identification advertised by
the SCMI platform server.

In this way, any in-tree existent vendor protocol module can be build and
shipped by default in a single kernel image, even when using the same
clashing protocol identification numbers, since the SCMI core will take
care at run-time to load only the ones pertinent to the running system.

Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Link: https://lore.kernel.org/r/20240418095121.3238820-2-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2024-04-18 10:59:22 +01:00
Jens Wiklander
08530a2aa9 firmware: arm_ffa: Add support for handling notification pending interrupt(NPI)
The FF-A uses the notification pending interrupt to inform the receiver
that it has a pending notification. This is a virtual interrupt and is
used by the following type of receivers:
1. A guest/VM running under a hypervisor.
2. An S-EL1 SP running under a S-EL2 SPMC.

The rules that govern the properties of the NPI are the same as the
rules for the SRI with couple of exceptions. Both SRI and NPI can be
supported simultaneously.

The handling of NPI is also same as the handling of notification for the
self/primary VM with ID 0 except the absence of global notification.

Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Link: https://lore.kernel.org/r/20240411-ffa_npi_support-v2-3-927a670254e6@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2024-04-15 16:56:17 +01:00