3937 Commits

Author SHA1 Message Date
Herve Codina
442f3799fa soc: fsl: cpm1: tsa: Remove unused registers offset definition
SISTR, SICMR and SIRP registers offset definitions are not used.

In order to avoid unneeded code, remove them.

Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Link: https://lore.kernel.org/r/20240808071132.149251-9-herve.codina@bootlin.com
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
2024-09-03 07:49:18 +02:00
Herve Codina
a68757abc0 soc: fsl: cpm1: tsa: Add missing spinlock comment
checkpatch.pl raises the following issue
  CHECK: spinlock_t definition without comment

Add the missing comment.

Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Link: https://lore.kernel.org/r/20240808071132.149251-7-herve.codina@bootlin.com
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
2024-09-03 07:49:18 +02:00
Herve Codina
bfd4f092c4 soc: fsl: cpm1: tsa: Fix blank line and spaces
checkpatch.pl raises the following issues
  CHECK: Please don't use multiple blank lines
  CHECK: spaces preferred around that '/' (ctx:VxV)
  CHECK: spaces preferred around that '+' (ctx:VxV)
  CHECK: spaces preferred around that '-' (ctx:VxV)

Fix them.

Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Link: https://lore.kernel.org/r/20240808071132.149251-6-herve.codina@bootlin.com
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
2024-09-03 07:49:17 +02:00
Herve Codina
37dbcd596f soc: fsl: cpm1: tsa: Use BIT(), GENMASK() and FIELD_PREP() macros
checkpatch.pl signals the following improvement for tsa.c
  CHECK: Prefer using the BIT macro

Follow its suggestion and convert the code to BIT() and related macros.

Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Link: https://lore.kernel.org/r/20240808071132.149251-5-herve.codina@bootlin.com
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
2024-09-03 07:49:17 +02:00
Herve Codina
47a347bae9 soc: fsl: cpm1: tsa: Fix tsa_write8()
The tsa_write8() parameter is an u32 value. This is not consistent with
the function itself. Indeed, tsa_write8() writes an 8bits value.

Be consistent and use an u8 parameter value.

Fixes: 1d4ba0b81c1c ("soc: fsl: cpm1: Add support for TSA")
Cc: stable@vger.kernel.org
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Link: https://lore.kernel.org/r/20240808071132.149251-4-herve.codina@bootlin.com
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
2024-09-03 07:49:17 +02:00
Herve Codina
d285cf22f8 soc: fsl: cpm1: qmc: Enable TRNSYNC only when needed
The TRNSYNC feature is enabled whatever the number of time-slots used.
The feature is needed only when more than one time-slot is used.

Improve the driver enabling TRNSYNC only when it is needed.

Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Link: https://lore.kernel.org/r/20240808071132.149251-3-herve.codina@bootlin.com
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
2024-09-03 07:49:17 +02:00
Herve Codina
c3cc3e69b3 soc: fsl: cpm1: qmc: Update TRNSYNC only in transparent mode
The TRNSYNC feature is available (and enabled) only in transparent mode.

Since commit 7cc9bda9c163 ("soc: fsl: cpm1: qmc: Handle timeslot entries
at channel start() and stop()") TRNSYNC register is updated in
transparent and hdlc mode. In hdlc mode, the address of the TRNSYNC
register is used by the QMC for other internal purpose. Even if no weird
results were observed in hdlc mode, touching this register in this mode
is wrong.

Update TRNSYNC only in transparent mode.

Fixes: 7cc9bda9c163 ("soc: fsl: cpm1: qmc: Handle timeslot entries at channel start() and stop()")
Cc: stable@vger.kernel.org
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Link: https://lore.kernel.org/r/20240808071132.149251-2-herve.codina@bootlin.com
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
2024-09-03 07:49:17 +02:00
Arnd Bergmann
e99769bf7a soc/tegra: Changes for v6.12-rc1
This is a single patch that simplifies code a little by employing the
 new scoped OF helpers.
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Merge tag 'tegra-for-6.12-soc' of https://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into soc/drivers

soc/tegra: Changes for v6.12-rc1

This is a single patch that simplifies code a little by employing the
new scoped OF helpers.

* tag 'tegra-for-6.12-soc' of https://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  soc/tegra: pmc: Simplify with scoped for each OF child loop

Link: https://lore.kernel.org/r/20240830141004.3195210-1-thierry.reding@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-09-02 10:22:20 +00:00
Arnd Bergmann
ef5651a4a0 Some long due cleanups and modernizations of the Versatile
SoC drivers from Krzysztof:
 
 - Put OF handle
 - Use devres to avoid memory leaks
 - Enable compile testing
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Merge tag 'versatile-soc-for-v6.12' of https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator into soc/drivers

Some long due cleanups and modernizations of the Versatile
SoC drivers from Krzysztof:

- Put OF handle
- Use devres to avoid memory leaks
- Enable compile testing

* tag 'versatile-soc-for-v6.12' of https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator:
  soc: versatile: enable compile testing
  soc: versatile: realview: fix soc_dev leak during device remove
  soc: versatile: realview: fix memory leak during device remove
  soc: versatile: integrator: fix OF node leak in probe() error path

Link: https://lore.kernel.org/r/CACRpkda244rFHnnXPDPOhmKiJsRP08tNCcfFzpH5zR2cx1DFpw@mail.gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-09-02 10:17:43 +00:00
Arnd Bergmann
9a2f5cbf8f rk3308 io-domains, and some default settings for bits in the general
register files for rk3128 and the new rk3576 soc.
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Merge tag 'v6.12-rockchip-drivers-1' of https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into soc/drivers

rk3308 io-domains, and some default settings for bits in the general
register files for rk3128 and the new rk3576 soc.

* tag 'v6.12-rockchip-drivers-1' of https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  soc: rockchip: grf: Add rk3576 default GRF values
  dt-bindings: soc: rockchip: Add rk3576 syscon compatibles
  soc: rockchip: grf: Set RK3128's vpu main clock
  soc: rockchip: io-domain: Add RK3308 IO voltage domains
  dt-bindings: power: rockchip: Document RK3308 IO voltage domains

Link: https://lore.kernel.org/r/23316481.ssLaC8jLEa@diego
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-09-02 09:47:47 +00:00
Krzysztof Kozlowski
2f05726171 soc: versatile: enable compile testing
Enable compile testing for broader build coverage.  None of the drivers
use anything from "asm", so code should build everywhere.
CONFIG_PLAT_VERSATILE is being selected by driver dependencies
(CONFIG_ARCH_INTEGRATOR and CONFIG_ARCH_REALVIEW), so directory can be
always added to Makefile targets without impacting other configurations.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/20240825-soc-dev-fixes-v1-4-ff4b35abed83@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2024-08-30 15:40:11 +02:00
Krzysztof Kozlowski
c774f2564c soc: versatile: realview: fix soc_dev leak during device remove
If device is unbound, the soc_dev should be unregistered to prevent
memory leak.

Fixes: a2974c9c1f83 ("soc: add driver for the ARM RealView")
Cc: stable@vger.kernel.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/20240825-soc-dev-fixes-v1-3-ff4b35abed83@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2024-08-30 15:40:11 +02:00
Krzysztof Kozlowski
1c4f26a41f soc: versatile: realview: fix memory leak during device remove
If device is unbound, the memory allocated for soc_dev_attr should be
freed to prevent leaks.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/20240825-soc-dev-fixes-v1-2-ff4b35abed83@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2024-08-30 15:40:11 +02:00
Krzysztof Kozlowski
874c5b6018 soc: versatile: integrator: fix OF node leak in probe() error path
Driver is leaking OF node reference obtained from
of_find_matching_node().

Fixes: f956a785a282 ("soc: move SoC driver for the ARM Integrator")
Cc: stable@vger.kernel.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/20240825-soc-dev-fixes-v1-1-ff4b35abed83@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2024-08-30 15:40:11 +02:00
Jinjie Ruan
4d57a84056 soc/tegra: pmc: Simplify with scoped for each OF child loop
Use scoped for_each_child_of_node_scoped() when iterating over device
nodes to make code a bit simpler.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2024-08-29 17:43:43 +02:00
Arnd Bergmann
d8f2638b83 Qualcomm driver fixes for v6.11
This corrects the tzmem virt-to-phys conversion, which caused issues for
 the uefisecapp implementation of EFI variable access. SDM670 is excluded
 from tzmem usage due to reported issues.
 
 The SCM get wait queue context call is corrected to be marked ATOMIC and
 some dead code in qseecom, following the tzmem conversion, is removed.
 
 The memory backing command DB is remapped writecombined, to avoid XPU
 violations when Linux runs without the Qualcomm hypervisor.
 
 Two compile fixes are added for pd-mapper, and the broken reference
 count is corrected, to make pd-mapper deal with remoteprocs going away.
 
 In pmic_glink a race condition where the client callbacks might be
 called before we returned the client handle is corrected. The broken conditions
 for when to signal that the firmware is going down is also corrected.
 
 In the pmic_glink UCSI driver, the ucsi_unregister() is moved out of the
 pdr callback, as this is being invoked in atomic context.
 
 Konrad's email address is updated in MAINTAINERS, and related mailmap
 entries are added.
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Merge tag 'qcom-drivers-fixes-for-6.11' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/fixes

Qualcomm driver fixes for v6.11

This corrects the tzmem virt-to-phys conversion, which caused issues for
the uefisecapp implementation of EFI variable access. SDM670 is excluded
from tzmem usage due to reported issues.

The SCM get wait queue context call is corrected to be marked ATOMIC and
some dead code in qseecom, following the tzmem conversion, is removed.

The memory backing command DB is remapped writecombined, to avoid XPU
violations when Linux runs without the Qualcomm hypervisor.

Two compile fixes are added for pd-mapper, and the broken reference
count is corrected, to make pd-mapper deal with remoteprocs going away.

In pmic_glink a race condition where the client callbacks might be
called before we returned the client handle is corrected. The broken conditions
for when to signal that the firmware is going down is also corrected.

In the pmic_glink UCSI driver, the ucsi_unregister() is moved out of the
pdr callback, as this is being invoked in atomic context.

Konrad's email address is updated in MAINTAINERS, and related mailmap
entries are added.

* tag 'qcom-drivers-fixes-for-6.11' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
  soc: qcom: pd-mapper: Fix singleton refcount
  firmware: qcom: tzmem: disable sdm670 platform
  soc: qcom: pmic_glink: Actually communicate when remote goes down
  usb: typec: ucsi: Move unregister out of atomic section
  soc: qcom: pmic_glink: Fix race during initialization
  firmware: qcom: qseecom: remove unused functions
  firmware: qcom: tzmem: fix virtual-to-physical address conversion
  firmware: qcom: scm: Mark get_wq_ctx() as atomic call
  MAINTAINERS: Update Konrad Dybcio's email address
  mailmap: Add an entry for Konrad Dybcio
  soc: qcom: pd-mapper: mark qcom_pdm_domains as __maybe_unused
  soc: qcom: cmd-db: Map shared memory as WC, not WB
  soc: qcom: pd-mapper: Depend on ARCH_QCOM || COMPILE_TEST

Link: https://lore.kernel.org/r/20240826145209.1646159-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-08-28 20:27:39 +00:00
Kousik Sanagavarapu
68123510b7 soc: ti: pm33xx: do device_node auto cleanup
Use scope based cleanup instead of manual of_node_put() calls, hence
simplifying the handling of error paths.

Suggested-by: Julia Lawall <julia.lawall@inria.fr>
Signed-off-by: Kousik Sanagavarapu <five231003@gmail.com>
Link: https://lore.kernel.org/r/20240825085714.10736-5-five231003@gmail.com
Signed-off-by: Nishanth Menon <nm@ti.com>
2024-08-28 12:18:02 -05:00
Kousik Sanagavarapu
b0289dbf1c soc: ti: knav_qmss_queue: do device_node auto cleanup
Use scope based cleanup, instead of manual of_node_put() calls, which
automatically free()s "struct device_node".

While at it, refactor the code from knav_queue_probe() into the separate
functions to make auto cleanup look more neat.

Doing the cleanup this way has the advantage of reducing the chance of
memory leaks in case we need to read from new OF nodes in the future
when we probe.

Suggested-by: Julia Lawall <julia.lawall@inria.fr>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Kousik Sanagavarapu <five231003@gmail.com>
Link: https://lore.kernel.org/r/20240825085714.10736-4-five231003@gmail.com
Signed-off-by: Nishanth Menon <nm@ti.com>
2024-08-28 12:18:02 -05:00
Kousik Sanagavarapu
df70c0b482 soc: ti: pruss: do device_node auto cleanup
Use scope based cleanup instead of manual of_node_put() calls, hence
simplifying the handling of error paths at various places.

While at it, use dev_err_probe() instead of dev_err() in all the code
paths touched.

Suggested-by: Julia Lawall <julia.lawall@inria.fr>
Signed-off-by: Kousik Sanagavarapu <five231003@gmail.com>
Link: https://lore.kernel.org/r/20240825085714.10736-3-five231003@gmail.com
Signed-off-by: Nishanth Menon <nm@ti.com>
2024-08-28 12:18:02 -05:00
Kousik Sanagavarapu
952ceb0378 soc: ti: pruss: factor out memories setup
Factor out memories setup code from probe() into a new function
pruss_of_setup_memories().  This sets the stage for introducing auto
cleanup of the device node (done in the subsequent patch), since the
clean up depends on the scope of the pointer and factoring out
code into a separate function obviously limits the scope of the various
variables used in that function.

Apart from the above, this change also has the advantage of making the
code look more neat.

While at it, use dev_err_probe() instead of plain dev_err() as this new
function is called by the probe().

Signed-off-by: Kousik Sanagavarapu <five231003@gmail.com>
Link: https://lore.kernel.org/r/20240825085714.10736-2-five231003@gmail.com
Signed-off-by: Nishanth Menon <nm@ti.com>
2024-08-28 12:18:02 -05:00
Detlev Casanova
e1aaecacfa soc: rockchip: grf: Add rk3576 default GRF values
Set SW controlled i3c weak pull up and disable JTAG function on SDMMC IO.

The i3c weak pull up is activated to let all gpio banks be controlled
by the pinctrl driver.

Disabling the JTAG function lets the SDMMC core use its full IO width.

Signed-off-by: Detlev Casanova <detlev.casanova@collabora.com>
Acked-by: Dragan Simic <dsimic@manjaro.org>
Link: https://lore.kernel.org/r/20240822195706.920567-3-detlev.casanova@collabora.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2024-08-23 12:33:58 +02:00
Alex Bee
7bd76f405d soc: rockchip: grf: Set RK3128's vpu main clock
RK3128 has a setting in GRF which selects whether the vpu attached iommu
uses the AXI clock of the decoder (vdpu) or the encoder (vepu). The
default is vepu but some part of the vendor firmware sets it to vdpu.

In order to be independent on whether any of those vendor firmware blobs is
used to boot the SoC reset "vpu main clock" setting to it's default value.

Signed-off-by: Alex Bee <knaerzche@gmail.com>
Link: https://lore.kernel.org/r/20240523185633.71355-3-knaerzche@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2024-08-23 11:52:53 +02:00
David Wu
f0d7047889 soc: rockchip: io-domain: Add RK3308 IO voltage domains
Add IO voltage domains support for the RK3308 SoC.

Signed-off-by: David Wu <david.wu@rock-chips.com>
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Link: https://lore.kernel.org/r/20240521211029.1236094-11-jonas@kwiboo.se
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2024-08-23 11:52:53 +02:00
Bjorn Andersson
c158ceb826 soc: qcom: pd-mapper: Fix singleton refcount
The Qualcomm pd-mapper is a refcounted singleton, but the refcount is
never incremented, which means the as soon as any remoteproc instance
stops the count will hit 0.

At this point the pd-mapper QMI service is stopped, leaving firmware
without access to the PD information. Stopping any other remoteproc
instances will result in a use-after-free, which best case manifest
itself as a refcount underflow:

  refcount_t: underflow; use-after-free.
  WARNING: CPU: 1 PID: 354 at lib/refcount.c:87 refcount_dec_and_mutex_lock+0xc4/0x148
  ...
  Call trace:
   refcount_dec_and_mutex_lock+0xc4/0x148
   qcom_pdm_remove+0x40/0x118 [qcom_pd_mapper]
   ...

Fix this by incrementing the refcount, so that the pd-mapper is only
torn down when the last remoteproc stops, as intended.

Fixes: 1ebcde047c54 ("soc: qcom: add pd-mapper implementation")
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240820-pd-mapper-refcount-fix-v1-1-03ea65c0309b@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-08-21 09:50:48 -05:00
Bjorn Andersson
ad51126037 soc: qcom: pmic_glink: Actually communicate when remote goes down
When the pmic_glink state is UP and we either receive a protection-
domain (PD) notification indicating that the PD is going down, or that
the whole remoteproc is going down, it's expected that the pmic_glink
client instances are notified that their function has gone DOWN.

This is not what the code does, which results in the client state either
not updating, or being wrong in many cases. So let's fix the conditions.

Fixes: 58ef4ece1e41 ("soc: qcom: pmic_glink: Introduce base PMIC GLINK driver")
Cc: stable@vger.kernel.org
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Amit Pundir <amit.pundir@linaro.org>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Tested-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Link: https://lore.kernel.org/r/20240820-pmic-glink-v6-11-races-v3-3-eec53c750a04@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-08-21 08:37:37 -05:00
Bjorn Andersson
11bb2ffb67 usb: typec: ucsi: Move unregister out of atomic section
Commit '9329933699b3 ("soc: qcom: pmic_glink: Make client-lock
non-sleeping")' moved the pmic_glink client list under a spinlock, as it
is accessed by the rpmsg/glink callback, which in turn is invoked from
IRQ context.

This means that ucsi_unregister() is now called from atomic context,
which isn't feasible as it's expecting a sleepable context. An effort is
under way to get GLINK to invoke its callbacks in a sleepable context,
but until then lets schedule the unregistration.

A side effect of this is that ucsi_unregister() can now happen
after the remote processor, and thereby the communication link with it, is
gone. pmic_glink_send() is amended with a check to avoid the resulting NULL
pointer dereference.
This does however result in the user being informed about this error by
the following entry in the kernel log:

  ucsi_glink.pmic_glink_ucsi pmic_glink.ucsi.0: failed to send UCSI write request: -5

Fixes: 9329933699b3 ("soc: qcom: pmic_glink: Make client-lock non-sleeping")
Cc: stable@vger.kernel.org
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Amit Pundir <amit.pundir@linaro.org>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Tested-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Link: https://lore.kernel.org/r/20240820-pmic-glink-v6-11-races-v3-2-eec53c750a04@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-08-21 08:37:37 -05:00
Bjorn Andersson
3568affcdd soc: qcom: pmic_glink: Fix race during initialization
As pointed out by Stephen Boyd it is possible that during initialization
of the pmic_glink child drivers, the protection-domain notifiers fires,
and the associated work is scheduled, before the client registration
returns and as a result the local "client" pointer has been initialized.

The outcome of this is a NULL pointer dereference as the "client"
pointer is blindly dereferenced.

Timeline provided by Stephen:
 CPU0                               CPU1
 ----                               ----
 ucsi->client = NULL;
 devm_pmic_glink_register_client()
  client->pdr_notify(client->priv, pg->client_state)
   pmic_glink_ucsi_pdr_notify()
    schedule_work(&ucsi->register_work)
    <schedule away>
                                    pmic_glink_ucsi_register()
                                     ucsi_register()
                                      pmic_glink_ucsi_read_version()
                                       pmic_glink_ucsi_read()
                                        pmic_glink_ucsi_read()
                                         pmic_glink_send(ucsi->client)
                                         <client is NULL BAD>
 ucsi->client = client // Too late!

This code is identical across the altmode, battery manager and usci
child drivers.

Resolve this by splitting the allocation of the "client" object and the
registration thereof into two operations.

This only happens if the protection domain registry is populated at the
time of registration, which by the introduction of commit '1ebcde047c54
("soc: qcom: add pd-mapper implementation")' became much more likely.

Reported-by: Amit Pundir <amit.pundir@linaro.org>
Closes: https://lore.kernel.org/all/CAMi1Hd2_a7TjA7J9ShrAbNOd_CoZ3D87twmO5t+nZxC9sX18tA@mail.gmail.com/
Reported-by: Johan Hovold <johan@kernel.org>
Closes: https://lore.kernel.org/all/ZqiyLvP0gkBnuekL@hovoldconsulting.com/
Reported-by: Stephen Boyd <swboyd@chromium.org>
Closes: https://lore.kernel.org/all/CAE-0n52JgfCBWiFQyQWPji8cq_rCsviBpW-m72YitgNfdaEhQg@mail.gmail.com/
Fixes: 58ef4ece1e41 ("soc: qcom: pmic_glink: Introduce base PMIC GLINK driver")
Cc: stable@vger.kernel.org
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Tested-by: Amit Pundir <amit.pundir@linaro.org>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Tested-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Link: https://lore.kernel.org/r/20240820-pmic-glink-v6-11-races-v3-1-eec53c750a04@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-08-21 08:37:30 -05:00
Xianwei Zhao
009ff80bfa soc: amlogic: meson-gx-socinfo: add new SoCs id
Add new definition for Amlogi SoCs, include S4, C3, T7, A4, A5.

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240719-soc_info-v3-2-020a3b687c0c@amlogic.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
2024-08-20 17:27:27 +02:00
Danila Tikhonov
79b26c1105 soc: qcom: pd_mapper: Add SM7325 compatible
The Qualcomm SM7325 platform is identical to SC7280, so add
compatibility leading to SC7280.

Signed-off-by: Danila Tikhonov <danila@jiaxyga.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240808184048.63030-5-danila@jiaxyga.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-08-15 15:52:05 -05:00
Danila Tikhonov
31150c9e87 soc: qcom: socinfo: Add Soc IDs for SM7325 family
Add Soc ID table entries for Qualcomm SM7325 family.

Signed-off-by: Danila Tikhonov <danila@jiaxyga.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240808184048.63030-3-danila@jiaxyga.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-08-15 15:52:05 -05:00
Jingyi Wang
dff75ec576 soc: qcom: socinfo: add QCS8275/QCS8300 SoC ID
Add SoC ID for Qualcomm QCS8275/QCS8300.

Signed-off-by: Jingyi Wang <quic_jingyw@quicinc.com>
Link: https://lore.kernel.org/r/20240814072806.4107079-4-quic_jingyw@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-08-14 22:14:43 -05:00
Krzysztof Kozlowski
f728778272 soc: qcom: smp2p: use scoped device node handling to simplify error paths
Obtain the device node reference with scoped/cleanup.h to reduce error
handling and make the code a bit simpler.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240813-b4-cleanup-h-of-node-put-other-v1-6-cfb67323a95c@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-08-14 22:14:43 -05:00
Krzysztof Kozlowski
a29e97bdc1 soc: qcom: pbs: use scoped device node handling to simplify error paths
Obtain the device node reference with scoped/cleanup.h to reduce error
handling and make the code a bit simpler.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240813-b4-cleanup-h-of-node-put-other-v1-5-cfb67323a95c@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-08-14 22:14:43 -05:00
Krzysztof Kozlowski
f4c1c19f5c soc: qcom: ocmem: use scoped device node handling to simplify error paths
Obtain the device node reference with scoped/cleanup.h to reduce error
handling and make the code a bit simpler.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240813-b4-cleanup-h-of-node-put-other-v1-4-cfb67323a95c@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-08-14 22:14:43 -05:00
Krzysztof Kozlowski
877840f13b soc: qcom: ice: use scoped device node handling to simplify error paths
Obtain the device node reference with scoped/cleanup.h to reduce error
handling and make the code a bit simpler.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240813-b4-cleanup-h-of-node-put-other-v1-3-cfb67323a95c@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-08-14 22:14:43 -05:00
Krzysztof Kozlowski
c50203cbba soc: qcom: aoss: simplify with scoped for each OF child loop
Use scoped for_each_available_child_of_node_scoped() when iterating over
device nodes to make code a bit simpler.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240813-b4-cleanup-h-of-node-put-other-v1-2-cfb67323a95c@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-08-14 22:14:43 -05:00
Krzysztof Kozlowski
6c26d9c764 soc: qcom: apr: simplify with scoped for each OF child loop
Use scoped for_each_child_of_node_scoped() when iterating over device
nodes to make code a bit simpler.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240813-b4-cleanup-h-of-node-put-other-v1-1-cfb67323a95c@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-08-14 22:14:43 -05:00
Dmitry Baryshkov
b14c150d19 soc: qcom: smd-rpm: add qcom,smd-rpm compatible
Add the generic qcom,smd-rpm and qcom,glink-smd-rpm compatibles so that
there is no need to add further compat strings to the list. Existing
strings are intact to keep compatibility with existing DTS.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240729-fix-smd-rpm-v2-3-0776408a94c5@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-08-14 22:14:42 -05:00
Dmitry Baryshkov
b171551333 Revert "soc: qcom: smd-rpm: Match rpmsg channel instead of compatible"
The rpm_requests device nodes have the compatible node. As such the
rpmsg core uses OF modalias instead of a native rpmsg modalias. Thus if
smd-rpm is built as a module, it doesn't get autoloaded for the device.

Revert the commit bcabe1e09135 ("soc: qcom: smd-rpm: Match rpmsg channel
instead of compatible")

Fixes: bcabe1e09135 ("soc: qcom: smd-rpm: Match rpmsg channel instead of compatible")
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240729-fix-smd-rpm-v2-1-0776408a94c5@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-08-14 22:14:42 -05:00
Stephan Gerhold
ed2c375208 soc: qcom: pd_mapper: Add more older platforms without domains
MSM8909, MSM8916 and MSM8939 all do not make use of pd-mapper, add them to
the list similar to the other older platforms to avoid the following
message in dmesg when booting:

 "PDM: no support for the platform, userspace daemon might be required."

Signed-off-by: Stephan Gerhold <stephan.gerhold@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240708-x1e80100-pd-mapper-v1-2-854386af4cf5@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-08-14 22:14:41 -05:00
Stephan Gerhold
bd6db1f148 soc: qcom: pd_mapper: Add X1E80100
X1E80100 has the same protection domains as SM8550, except that MPSS is
missing. Add it to the in-kernel pd-mapper to avoid having to run the
daemon in userspace for charging and audio functionality.

Signed-off-by: Stephan Gerhold <stephan.gerhold@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240708-x1e80100-pd-mapper-v1-1-854386af4cf5@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-08-14 22:14:25 -05:00
Bjorn Andersson
3f780bba3f Merge branch 'drivers-fixes-for-6.11' into HEAD
Merge drivers-fixes-for-6.11 branch into drivers-for-6.12 to avoid the
(trivial) merge conflict occuring related to the qcom_pdm_domains
update.
2024-08-14 22:12:27 -05:00
Dr. David Alan Gilbert
06ce0af341 soc: fsl: qbman: remove unused struct 'cgr_comp'
'cgr_comp' has been unused since
commit 96f413f47677 ("soc/fsl/qbman: fix issue in
qman_delete_cgr_safe()").

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Reviewed-by: Sean Anderson <sean.anderson@linux.dev>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240528231123.136664-1-linux@treblig.org
2024-08-08 20:08:44 +10:00
Varshini Rajendran
5eb64f2b36 ARM: at91: add support in SoC driver for new sam9x7
Add support for SAM9X7 SoC in the SoC driver.

Signed-off-by: Varshini Rajendran <varshini.rajendran@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20240729070711.1990605-1-varshini.rajendran@microchip.com
Signed-off-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
2024-08-07 19:24:46 +03:00
Rob Herring (Arm)
b2a0176620 soc: ti: knav: Use of_property_read_variable_u32_array()
There's no need to get the length of an DT array property before
parsing the array. of_property_read_variable_u32_array() takes a minimum
and maximum length and returns the actual length (or error code).

This is part of a larger effort to remove callers of of_find_property()
and similar functions. of_find_property() leaks the DT struct property
and data pointers which is a problem for dynamically allocated nodes
which may be freed.

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20240731201407.1838385-3-robh@kernel.org
Signed-off-by: Nishanth Menon <nm@ti.com>
2024-08-06 16:29:13 -05:00
Rob Herring (Arm)
8737e167dc soc: ti: knav: Drop unnecessary check for property presence
of_property_read_u32() returns -EINVAL if a property is not present, so
the preceding check for presence with of_get_property() can be
dropped.

This is part of a larger effort to remove callers of of_get_property()
and similar functions. of_get_property() leaks the DT struct property
and data pointers which is a problem for dynamically allocated nodes
which may be freed.

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20240731201407.1838385-2-robh@kernel.org
Signed-off-by: Nishanth Menon <nm@ti.com>
2024-08-06 16:29:04 -05:00
Christophe JAILLET
d9483b44c9 soc: ti: k3-ringacc: Constify struct k3_ring_ops
'struct k3_ring_ops' is not modified in this driver.

Constifying this structure moves some data to a read-only section, so
increase overall security.

On a x86_64, with allmodconfig:
Before:
======
   text	   data	    bss	    dec	    hex	filename
  17090	   3304	     32	  20426	   4fca	drivers/soc/ti/k3-ringacc.o

After:
=====
   text	   data	    bss	    dec	    hex	filename
  17266	   3144	     32	  20442	   4fda	drivers/soc/ti/k3-ringacc.o

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/cb9dfc18cdf890afa2c53cd74b0b330d6f1c30ab.1720546863.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Nishanth Menon <nm@ti.com>
2024-08-06 15:33:32 -05:00
Shivnandan Kumar
dc8c4a8aee soc: qcom: icc-bwmon: Add tracepoints in bwmon_intr_thread
Add tracepoint for tracing the measured traffic in kbps,
up_kbps and down_kbps in bwmon. This information is valuable
for understanding what bwmon hw measures at the system cache
level and at the DDR level which is helpful in debugging
bwmon behavior.

Signed-off-by: Shivnandan Kumar <quic_kshivnan@quicinc.com>
Reviewed-by: Sibi Sankar <quic_sibis@quicinc.com>
Link: https://lore.kernel.org/r/20240708101734.1999795-1-quic_kshivnan@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-07-31 22:22:47 -05:00
AngeloGioacchino Del Regno
d1e5d531d2
soc: mediatek: mtk-mutex: Reduce type size for mtk_mutex_data members
All of mutex_mod and mutex_table_mod contain an array of bit
numbers, which can go from 0 to 63, it is hence not needed to
use an unsigned 32-bits integer to store that: change them to
unsigned 8-bits instead.

As for the mutex_sof table since this directly contains the values
to write to the DISP_MUTEXn_CTL register, which has only bits [13:0]
(so this register is effectively 14 bits long), change that to use
unsigned 16-bits.

The type of mutex_{mod,sof}_reg was also changed to 16 bits, as
the maximum value that those will ever have is 0x800, because it
calculates as 0x30 + (0x20 * n) where n's maximum value is 63.

This reduces module size and brings no functional changes.

Before:
   text	   data	    bss	    dec	    hex	filename
   9929	    512	      0	  10441	   28c9	mtk-mutex.o

After:
   text	   data	    bss	    dec	    hex	filename
   7425	    512	      0	   7937	   1f01	mtk-mutex.o

Link: https://lore.kernel.org/r/20240729122538.989855-1-angelogioacchino.delregno@collabora.com
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
2024-07-30 10:58:46 +02:00
Christophe JAILLET
1c28c9452d
soc: mediatek: pwrap: Use devm_clk_bulk_get_all_enable()
Use devm_clk_bulk_get_all_enable() to simplify the code and to make sure
that clk_disable_unprepare() is called if the driver is unloaded.

Fixes: 55924157da8c ("soc: mediatek: pwrap: add support for sys & tmr clocks")
Fixes: 1f022d84bd19 ("soc: mediatek: Add PMIC wrapper for MT8135 and MT8173 SoCs")
Suggested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/5b1114c538dd5230728592855f89942aec8ef83b.1720331018.git.christophe.jaillet@wanadoo.fr
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
2024-07-30 10:57:20 +02:00