linux-toradex.git/drivers/soc/fsl, branch v6.19

soc: fsl: qbman: use kmalloc_array() instead of kmalloc()

2025-11-26T11:29:40+00:00

Replace kmalloc() with kmalloc_array() to prevent potential
overflow, as recommended in Documentation/process/deprecated.rst.

Signed-off-by: Gongwei Li 
Reviewed-by: Fushuai Wang 
Link: https://lore.kernel.org/r/20251121061022.114609-1-13875017792@163.com
Signed-off-by: Christophe Leroy (CS GROUP)

soc: fsl: qbman: add WQ_PERCPU to alloc_workqueue users

2025-11-26T11:29:40+00:00

Currently if a user enqueues a work item using schedule_delayed_work() the
used wq is "system_wq" (per-cpu wq) while queue_delayed_work() use
WORK_CPU_UNBOUND (used when a cpu is not specified). The same applies to
schedule_work() that is using system_wq and queue_work(), that makes use
again of WORK_CPU_UNBOUND.
This lack of consistency cannot be addressed without refactoring the API.

alloc_workqueue() treats all queues as per-CPU by default, while unbound
workqueues must opt-in via WQ_UNBOUND.

This default is suboptimal: most workloads benefit from unbound queues,
allowing the scheduler to place worker threads where they’re needed and
reducing noise when CPUs are isolated.

This continues the effort to refactor workqueue APIs, which began with
the introduction of new workqueues and a new alloc_workqueue flag in:

commit 128ea9f6ccfb ("workqueue: Add system_percpu_wq and system_dfl_wq")
commit 930c2ea566af ("workqueue: Add new WQ_PERCPU flag")

This change adds a new WQ_PERCPU flag to explicitly request
alloc_workqueue() to be per-cpu when WQ_UNBOUND has not been specified.

With the introduction of the WQ_PERCPU flag (equivalent to !WQ_UNBOUND),
any alloc_workqueue() caller that doesn’t explicitly specify WQ_UNBOUND
must now use WQ_PERCPU.

Once migration is complete, WQ_UNBOUND can be removed and unbound will
become the implicit default.

Suggested-by: Tejun Heo 
Signed-off-by: Marco Crivellari 
Link: https://lore.kernel.org/r/20251107152950.293899-1-marco.crivellari@suse.com
Signed-off-by: Christophe Leroy (CS GROUP)

Merge tag 'sound-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

2025-10-02T18:37:19+00:00

Pull sound updates from Takashi Iwai:
 "It's been relatively calm in this cycle from the feature POV, but
  there were lots of cleanup works in the wide-range of code for
  converting with the auto-cleanup macros like guard().

  The mostly user-visible changes are the support of a couple of new
  compress-offload API extensions, and the support of new ASoC codec /
  platform drivers as well as USB-audio quirks.

  Here we go with some highlights:

  Core:
   - Compress-offload API extension for 64bit timestamp support
   - Compress-offload API extension for OPUS codec support
   - Workaround for PCM locking issue with PREEMPT_RT and softirq
   - KCSAN warning fix for ALSA sequencer core

  ASoC:
   - Continued cleanup works for ASoC core APIs
   - Lots of cleanups and conversions of DT bindings
   - Substantial maintainance work on the Intel AVS drivers
   - Support for Qualcomm Glymur and PM4125, Realtek RT1321, Shanghai
     FourSemi FS2104/5S, Texas Instruments PCM1754 and TAS2783A
   - Remove support for TI WL1273 for old Nokia systems

  USB-audio:
   - Support for Tascam US-144mkII, Presonus S1824c support
   - More flexible quirk option handling
   - Fix for USB MIDI timer bug triggered by fuzzer

  Others:
   - A large series of cleanups with guard() & co macros over (non-ASoC)
     sound drivers (PCI, ISA, HD-audio, USB-audio, drivers, etc)
   - TAS5825 HD-audio side-codec support"

* tag 'sound-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (454 commits)
  ALSA: usb-audio: don't hardcode gain for output channel of Presonus Studio
  ALSA: usb-audio: add the initial mix for Presonus Studio 1824c
  ALSA: doc: improved docs about quirk_flags in snd-usb-audio
  ALSA: usb-audio: make param quirk_flags change-able in runtime
  ALSA: usb-audio: improve module param quirk_flags
  ALSA: usb-audio: add two-way convert between name and bit for QUIRK_FLAG_*
  ALSA: usb-audio: fix race condition to UAF in snd_usbmidi_free
  ALSA: usb-audio: add mono main switch to Presonus S1824c
  ALSA: compress: document 'chan_map' member in snd_dec_opus
  ASoC: cs35l56: Add support for CS35L56 B2 silicon
  ASoC: cs35l56: Set fw_regs table after getting REVID
  ALSA: hda/realtek: Add quirk for HP Spectre 14t-ea100
  ASoc: tas2783A: Fix an error code in probe()
  ASoC: tlv320aic3x: Fix class-D initialization for tlv320aic3007
  ASoC: qcom: sc8280xp: use sa8775p/ subdir for QCS9100 / QCS9075
  ASoC: stm32: sai: manage context in set_sysclk callback
  ASoC: renesas: msiof: ignore 1st FSERR
  ASoC: renesas: msiof: Add note for The possibility of R/L opposite Capture
  ASoC: renesas: msiof: setup both (Playback/Capture) in the same time
  ASoC: renesas: msiof: tidyup DMAC stop timing
  ...

soc/fsl/qbman: Use for_each_online_cpu() instead of for_each_cpu()

2025-09-22T19:31:08+00:00

Replace the opencoded for_each_cpu(cpu, cpu_online_mask) loop with the
more readable and equivalent for_each_online_cpu(cpu) macro.

Signed-off-by: Fushuai Wang 
Link: https://lore.kernel.org/r/20250811065216.3320-1-wangfushuai@baidu.com
Signed-off-by: Christophe Leroy

soc: fsl: qe: Drop legacy-of-mm-gpiochip.h header from GPIO driver

2025-09-22T14:37:24+00:00

Remove legacy-of-mm-gpiochip.h header file. The above mentioned
file provides an OF API that's deprecated. There is no agnostic
alternatives to it and we have to open code the logic which was
hidden behind of_mm_gpiochip_add_data(). Note, most of the GPIO
drivers are using their own labeling schemas and resource retrieval
that only a few may gain of the code deduplication, so whenever
alternative is appear we can move drivers again to use that one.

As a side effect this change fixes a potential memory leak on
an error path, if of_mm_gpiochip_add_data() fails.

[Text copied from commit 34064c8267a6 ("powerpc/8xx: Drop
legacy-of-mm-gpiochip.h header")]

Suggested-by: Bartosz Golaszewski 
Reviewed-by: Bartosz Golaszewski 
Link: https://lore.kernel.org/r/e8a5d2c5b72233bd36da7fecc0a551ca54d39478.1758212309.git.christophe.leroy@csgroup.eu
Signed-off-by: Christophe Leroy

soc: fsl: qe: Change GPIO driver to a proper platform driver

2025-09-22T14:37:24+00:00

In order to be able to add interrupts to the GPIOs, first change the
QE GPIO driver to the proper platform driver in order to allow
initialisation to be done in the right order, otherwise the GPIOs
get added before the interrupts are registered.

Remove linux/of.h and linux/property.h which are unused.

And to improve readability and reduce risk of errors, add a macro to
transform a pin number into the mask that matches the associated bit
in registers.

Reviewed-by: Bartosz Golaszewski 
Link: https://lore.kernel.org/r/b0b4480255569c7f0dfe58854a444f9a40da6681.1758212309.git.christophe.leroy@csgroup.eu
Signed-off-by: Christophe Leroy

soc: fsl: qmc: Only set completion interrupt when needed

2025-09-18T21:50:45+00:00

When no post-completion processing is expected, don't waste time
handling useless interrupts.

Only set QMC_BD_[R/T]X_I when a completion function is passed in,
and perform seamless completion on submit for interruptless buffers.

Acked-by: Herve Codina 
Signed-off-by: Christophe Leroy 
Link: https://patch.msgid.link/40b41b53a26e77a50b3a5f68fcecc6f9a40a84b4.1758209158.git.christophe.leroy@csgroup.eu
Signed-off-by: Mark Brown

treewide: rename GPIO set callbacks back to their original names

2025-08-07T08:07:06+00:00

The conversion of all GPIO drivers to using the .set_rv() and
.set_multiple_rv() callbacks from struct gpio_chip (which - unlike their
predecessors - return an integer and allow the controller drivers to
indicate failures to users) is now complete and the legacy ones have
been removed. Rename the new callbacks back to their original names in
one sweeping change.

Signed-off-by: Bartosz Golaszewski

soc: fsl: qe: convert set_multiple() to returning an integer

2025-07-21T16:04:31+00:00

The conversion to using the new GPIO line setter callbacks missed the
set_multiple() in this file. Convert it to using the new callback.

Fixes: 52ccf19527fd ("soc: fsl: qe: use new GPIO line value setter callbacks")
Signed-off-by: Bartosz Golaszewski

soc: Use dev_fwnode()

2025-07-08T08:29:28+00:00

irq_domain_create_simple() takes fwnode as the first argument. It can be
extracted from the struct device using dev_fwnode() helper instead of
using of_node with of_fwnode_handle().

So use the dev_fwnode() helper.

Signed-off-by: Jiri Slaby (SUSE) 
Cc: Qiang Zhao 
Cc: Christophe Leroy 
Cc: Thierry Reding 
Cc: Jonathan Hunter 
Cc: linux-arm-kernel@lists.infradead.org
Cc: linuxppc-dev@lists.ozlabs.org
Acked-by: Thierry Reding 
Link: https://lore.kernel.org/linuxppc-dev/20250611104348.192092-19-jirislaby@kernel.org/
Signed-off-by: Christophe Leroy