Log errors in the Tegra210 OPE, PEQ and MBDRC probe paths using
dev_err_probe(). Drop redundant dev_err() at tegra210_peq_regmap_init()
and tegra210_mbdrc_regmap_init() call sites in ope_probe() since
these functions already log errors internally.
Signed-off-by: Sheetal <sheetal@nvidia.com>
Link: https://patch.msgid.link/20260401112500.4076861-3-sheetal@nvidia.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Log errors in the Tegra210 ADMAIF probe and runtime callback paths.
Drop redundant dev_err() at tegra_isomgr_adma_register() call site
since it already logs errors internally.
Signed-off-by: Sheetal <sheetal@nvidia.com>
Link: https://patch.msgid.link/20260401112500.4076861-2-sheetal@nvidia.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Two fixes for rz-mut3-cnt: synchronize runtime PM usage count to toggle
state of the counter, and set counter->parent during probe to ensure the
current dev pointer is accessed during driver operation.
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Merge tag 'counter-fixes-for-7.0' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wbg/counter into char-misc-linus
William writes:
Counter fixes for 7.0
Two fixes for rz-mut3-cnt: synchronize runtime PM usage count to toggle
state of the counter, and set counter->parent during probe to ensure the
current dev pointer is accessed during driver operation.
* tag 'counter-fixes-for-7.0' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wbg/counter:
counter: rz-mtu3-cnt: do not use struct rz_mtu3_channel's dev member
counter: rz-mtu3-cnt: prevent counter from being toggled multiple times
Now that the teardown of a VM cannot be finalised as long as a reference
is held on the VM, rework __pkvm_reclaim_dying_guest_page() to hold a
reference to the dying VM rather than take the global 'vm_table_lock'
during the reclaim operation.
Signed-off-by: Will Deacon <will@kernel.org>
Link: https://patch.msgid.link/20260331155056.28220-4-will@kernel.org
Signed-off-by: Marc Zyngier <maz@kernel.org>
Now that completion of the teardown path requires a refcount of zero for
the target VM, we can allow get_pkvm_hyp_vm() to take a reference on a
dying VM, which is necessary to unshare pages with a non-protected VM
during the teardown process itself.
Note that vCPUs belonging to a dying VM cannot be loaded and pages can
only be reclaimed from a protected VM (via
__pkvm_reclaim_dying_guest_page()) if the target VM is in the dying
state.
Signed-off-by: Will Deacon <will@kernel.org>
Link: https://patch.msgid.link/20260331155056.28220-3-will@kernel.org
Signed-off-by: Marc Zyngier <maz@kernel.org>
Destroying a 'hyp_vm' with an elevated referenced count in
__pkvm_finalize_teardown_vm() is only going to lead to tears.
In preparation for allowing limited references to be acquired on dying
VMs during the teardown process, factor out the handle-to-vm logic for
the teardown path and reuse it for both the 'start' and 'finalise'
stages of the teardown process.
Signed-off-by: Will Deacon <will@kernel.org>
Link: https://patch.msgid.link/20260331155056.28220-2-will@kernel.org
Signed-off-by: Marc Zyngier <maz@kernel.org>
Since commit 0c43094f8c ("eventpoll: Replace rwlock with spinlock"),
epoll_wait is real-time-safe syscall for sleeping.
Add epoll_wait to the list of rt-safe sleeping APIs.
Signed-off-by: Nam Cao <namcao@linutronix.de>
Reviewed-by: Gabriele Monaco <gmonaco@redhat.com>
Link: https://lore.kernel.org/r/20260401130828.3115428-1-namcao@linutronix.de
Signed-off-by: Gabriele Monaco <gmonaco@redhat.com>
The ISA ES1688 driver still carries a disabled suspend/resume block in
its isa_driver definition, while the same file already provides minimal
power-management handling for the PnP ES968 path.
Add ISA-specific PM callbacks and factor the existing ES1688 suspend and
resume sequence into common card-level helpers shared by both probe
paths. Suspend moves the card to D3hot. Resume reinitializes the chip
with snd_es1688_reset() and restores the card to D0, propagating reset
failures to the caller.
This wires up power-management callbacks for the ISA path and keeps the
PM handling consistent between the ISA and PnP probe paths.
Signed-off-by: Cássio Gabriel <cassiogabrielcontato@gmail.com>
Link: https://patch.msgid.link/20260401-alsa-es1688-pm-v1-1-510767628fe6@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Replace the capability checks in the SRC and SRCIMP allocation loops
with a precomputed loop bound. Cards with a dedicated mic input
(SB1270, OK0010) allocate all NUM_ATC_SRCS entries, otherwise stop
at 4.
Signed-off-by: Harin Lee <me@harin.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20260401090159.2404387-4-me@harin.net
Skip the unused DAIO type per model (SPDIFIO on CTSB073X, SPDIFI_BAY
on all others) and use the correct DAIO type directly as da_desc
type. This removes the mismatch and misleading between the actual
DAIO resource and the da_desc type like SPDIFI_BAY (formerly SPDIFI1).
Update related functions accordingly, and drop the unreachable
SPDIFI_BAY case from the hw20k2 daio_device_index().
Signed-off-by: Harin Lee <me@harin.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20260401090159.2404387-3-me@harin.net
Rename the SPDIFI1 enum value to SPDIFI_BAY to better reflect its
purpose as the S/PDIF input on the internal drive bay, as opposed to
the S/PDIF input via Flexijack or optical (SPDIFIO; not SPDIFI-zero).
Signed-off-by: Harin Lee <me@harin.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20260401090159.2404387-2-me@harin.net
Ensure that subsystem_device is printed with leading zeros when combined
with subsystem_vendor to form the SSID. Without this, devices with upper
bits unset may appear to have an incorrect SSID in the debug output.
Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com>
Link: https://patch.msgid.link/20260331131916.145546-1-simont@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Fix the length of the PD restart reason string in pd-mapper to avoid
QMI decoding errors, resulting in the notification being dropped.
Fix the newly introduce handling of TBT/USB4 notifications in pmic_glink
altmode driver, as it broke the handling of non-TBT/USB4 DisplayPort
unplug events.
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Merge tag 'qcom-drivers-fixes-for-7.0' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/fixes
Qualcomm driver fixes for v7.0
Fix the length of the PD restart reason string in pd-mapper to avoid
QMI decoding errors, resulting in the notification being dropped.
Fix the newly introduce handling of TBT/USB4 notifications in pmic_glink
altmode driver, as it broke the handling of non-TBT/USB4 DisplayPort
unplug events.
* tag 'qcom-drivers-fixes-for-7.0' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
soc: qcom: pmic_glink_altmode: Fix TBT->SAFE->!TBT transition
soc: qcom: pmic_glink_altmode: Fix SVID=DP && unconnected edge case
soc: qcom: pd-mapper: Fix element length in servreg_loc_pfr_req_ei
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Microchip:
More resource leak fixes for unlikely scenarios, and a change to the
auto-update "firmware" driver to prevent it probing on systems with
engineering silicon where it cannot be used.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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Merge tag 'riscv-soc-fixes-for-v7.0-rc6' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/conor/linux into arm/fixes
RISC-V soc fixes for v7.0-rc6
Microchip:
More resource leak fixes for unlikely scenarios, and a change to the
auto-update "firmware" driver to prevent it probing on systems with
engineering silicon where it cannot be used.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
* tag 'riscv-soc-fixes-for-v7.0-rc6' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/conor/linux:
firmware: microchip: fail auto-update probe if no flash found
soc: microchip: mpfs-mss-top-sysreg: Fix resource leak on driver unbind
soc: microchip: mpfs-control-scb: Fix resource leak on driver unbind
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Just the one change this time, dropping syscon properties where they weren't
defined.
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Merge tag 'nuvoton-arm64-7.1-devicetree-0' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/bmc/linux into soc/dt
nuvoton: first batch of arm64 devicetree changes for v7.1
Just the one change this time, dropping syscon properties where they weren't
defined.
* tag 'nuvoton-arm64-7.1-devicetree-0' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/bmc/linux:
arm64: dts: nuvoton: drop unused syscon property from watchdog node
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Merge the pmdomain fixes for v7.0-rc[n] into the next branch, to allow
them to get tested together with the pmdomain changes that are targeted
for the next release.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Merge the immutable branch pmdomain into next to get the changes queued and
tested for the next release. The pmdomain branch hosts minor core changes
for pmdomain.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Merge tag 'aspeed-7.0-fixes-0' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/bmc/linux into arm/fixes
aspeed: first batch of fixes for v7.0
* tag 'aspeed-7.0-fixes-0' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/bmc/linux:
soc: aspeed: socinfo: Mask table entries for accurate SoC ID matching
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
* Decouple spacemit K3 reset lines that were incorrectly coupled
together as one, but are in fact separate resets in hardware.
* Fix a double free in the reset_add_gpio_aux_device() error path.
This has already been fixed on reset/next by commit a9b95ce36d
("reset: gpio: add a devlink between reset-gpio and its consumer").
* Fix the MODULE_AUTHOR string in the rzg2l-usbphy-ctrl driver.
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Merge tag 'reset-fixes-for-v7.0-2' of https://git.pengutronix.de/git/pza/linux into arm/fixes
Reset controller fixes for v7.0, part 2
* Decouple spacemit K3 reset lines that were incorrectly coupled
together as one, but are in fact separate resets in hardware.
* Fix a double free in the reset_add_gpio_aux_device() error path.
This has already been fixed on reset/next by commit a9b95ce36d
("reset: gpio: add a devlink between reset-gpio and its consumer").
* Fix the MODULE_AUTHOR string in the rzg2l-usbphy-ctrl driver.
* tag 'reset-fixes-for-v7.0-2' of https://git.pengutronix.de/git/pza/linux:
reset: spacemit: k3: Decouple composite reset lines
reset: gpio: fix double free in reset_add_gpio_aux_device() error path
reset: rzg2l-usbphy-ctrl: Fix malformed MODULE_AUTHOR string
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
It doesn't really make sense to keep u32 fields to be marked as const.
Having the const fields prevents their modification in the driver. Instead
the whole struct can be defined as const, if it is constant.
Fixes: 161e16a5e5 ("PM: domains: Add helper functions to attach/detach multiple PM domains")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Remove kcalloc by using a flexible array member to combine allocations.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The Allwinner A733 PCK600, similar to A523 PCK600, is likely a
customized version of ARM PCK-600 power controller. It shares the same
BSP driver with A523. According to the BSP provided by Radxa, unlike
A523, it doesn't require reset, as well as a different pair of delay
values.
Make reset optional in the sunxi pck600 driver and add support
for A733.
Signed-off-by: Yuanshen Cao <alex.caoys@gmail.com>
Reviewed-by: Chen-Yu Tsai <wens@kernel.org> # matched against BSP driver
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Add RPMh Power Domains support for the Eliza platform. The list of power
domains is taken from downstream. Even though the cmd-db does list MMCX
and MXC, they are not used, so they should not be describe.
Reviewed-by: Taniya Das <taniya.das@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
It can be discussed how useful a print is after a successful probe. In the
SCMI power domain case it's seems valuable, as it let us inform about the
number of initialized power domains too, which is fetched from firmware.
Therefore, let's add a print about this, which also aligns with the
behaviour of the SCMI perf domain driver.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Cristian Marussi <cristian.marussi@arm.com>
Acked-by: Sudeep Holla <sudeep.holla@kernel.org>
Change the dev_err() to dev_err_probe() under rockchip_pd_power_on()
to prevent errors early in the boot process when the requested
regulator is not yet available. This converts errors like the following
to debug messages:
rockchip-pm-domain fd8d8000.power-management:power-controller: Failed to enable supply: -517
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Tested-by: Diederik de Haas <diederik@cknow-tech.com>
Reviewed-by: Anand Moon <linux.amoon@gmail.com>
Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Introduce a new power domain (pmd) driver for the MediaTek mt8189 SoC.
This driver ports and refines the power domain framework, dividing
hardware blocks (CPU, GPU, peripherals, etc.) into independent power
domains for precise and energy-efficient power management.
Signed-off-by: Irving-CH Lin <irving-ch.lin@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
In MT8189 mminfra power domain, the bus protect policy separates
into two parts, one is set before subsys clocks enabled, and another
need to enable after subsys clocks enable.
Signed-off-by: Irving-CH Lin <irving-ch.lin@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
To allow user space to monitor the selection of the domain idle state
during s2idle for a CPU PM domain, let's extend the debugfs support in
genpd with this information.
Suggested-by: Dhruva Gole <d-gole@ti.com>
Reviewed-by: Dhruva Gole <d-gole@ti.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Similar to how cpuidle provides the values for latency and residency for
CPU's idle states through sysfs, let's make the corresponding data for PM
domain's idle states available for user space, via genpd's debugfs support.
Suggested-by: Dhruva Gole <d-gole@ti.com>
Reviewed-by: Dhruva Gole <d-gole@ti.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
To prepare for additional information to be added for the domain idle
states in genpd's debugfs, let's make the existing information denser. To
allow that, let's move the static information of the domain idle states
into a separate debugfs file.
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Drop the unnecessary semicolon after the rpmpd_send_corner()
function's declaration.
Signed-off-by: Gabor Juhos <j4g8y7@gmail.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
When calling of_parse_phandle_with_args(), the caller is responsible
to call of_node_put() to release the reference of device node.
In imx_sc_pd_get_console_rsrc(), it does not release the reference.
Fixes: 893cfb9973 ("firmware: imx: scu-pd: do not power off console domain")
Signed-off-by: Felix Gu <ustc.gu@gmail.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
When calling of_parse_phandle_with_args(), the caller is responsible
to call of_node_put() to release the reference of device node.
In omap_prm_domain_attach_dev, it does not release the reference.
Fixes: 58cbff023b ("soc: ti: omap-prm: Add basic power domain support")
Signed-off-by: Felix Gu <gu_0233@qq.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Add the Audio power domain of the MT7622 SoC to the legacy
mtk-scpsys driver (as this legacy SoC is supported only there).
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Use scoped for-each loop when iterating over device nodes to make code a
bit simpler.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
For devices capable of out-of-band system wakeups via I/O daisy chaining,
prevent sending wakeup constraints to the PM co-processor. This allows
the system to enter deeper low power modes, as the device is not marked
as requiring power.
Replaces the logic from commit b06bc47279 ("pmdomain: ti_sci: handle
wake IRQs for IO daisy chain wakeups") since checking out-of-band wakeup
will cover the same functionality.
Detect out-of-band wakeup in the suspend path, and if it exists, skip
sending the constraint.
Signed-off-by: Kendall Willis <k-willis@ti.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Implement nvmem-provider functionality in mtk-mfg-pmdomain, such that it
can expose its GF_REG_SHADER_PRESENT value in the shared memory as an
nvmem cell for panthor.
Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Define power domain which needs to be enabled in order for audio to work
on the PXA1908-based samsung,coreprimevelte smartphone. In the
downstream code, this power-on method is marked as specific to the ULCx
series which is allegedly a codename of sorts with ULC1 corresponding to
the PXA1908.
No other audio components needed for sound to work on this phone are
currently available mainline but some successful testing was performed
with the vendor variants of the respective drivers and with the domain
forced always-on.
Signed-off-by: Karel Balej <balejk@matfyz.cz>
Reviewed-by: Duje Mihanović <duje@dujemihanovic.xyz>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This particular block can have DT subnodes describing the LVDS LDB, MIPI
DSI and parallel DPI bridge.
Scan for possible sub-devices within the driver, instead of misusing the
simple-bus to perform the scan.
Reviewed-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Convert the driver to devm_ APIs only by making use of
devm_add_action_or_reset() and devm_pm_runtime_enable() to simplify the
probe error path and to drop the .remove() callback. This also ensures
that the device release order equals the device probe error path order.
Furthermore drop the dev_set_drvdata() usage since the only user was the
.remove() callback which is removed by this commit.
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Call dev_err_probe() directly during return to make the code more
compact.
Reviewed-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Merge the immutable branch dt into next, to allow the updated DT bindings
to be tested together with the pmdomain changes that are targeted for the
next release.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Keep the NOC_HDCP clock always enabled to fix the potential hang
caused by the NoC ADB400 port power down handshake.
Fixes: 77b0ddb42a ("soc: imx: add i.MX8MP HDMI blk ctrl HDCP/HRV_MWR")
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
