Remove macros that are defined but never used, as identified by
-Wunused-macros:
STAT_TYPE_OFFSET, COUNT_OFFSET, LAST_ENTERED_AT_OFFSET,
LAST_EXITED_AT_OFFSET, ACCUMULATED_OFFSET
No functional impact.
Assisted-by: Claude:claude-sonnet-4-6
Signed-off-by: Maulik Shah <maulik.shah@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260730-b4b4-removed-unused-macros-v1-1-2883fecb9e6e@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
To make sure the correct settings for a given DRAM configuration get
applied, attempt to retrieve that data from SMEM (which happens to be
what the BSP kernel does, albeit with through convoluted means of the
bootloader altering the DT with this data).
Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260727-topic-smem_dramc-v5-3-66188b3e338d@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Most modern Qualcomm platforms (>= SM8150) expose information about the
DDR memory present on the system via SMEM.
Details from this information is used in various scenarios, such as
multimedia drivers configuring the hardware based on the "Highest Bank
address Bit" (hbb), or the list of valid frequencies in validation
scenarios...
Add support for parsing v3-v7 version of the structs. Unforunately,
they are not versioned, so some elbow grease is necessary to determine
which one is present. See for reference:
ver 3: 1d11897d2c
ver 4: f6e9aa5492
ver 5: 617d3297ab
ver 5 with 6regions: d770e009f9
ver 6: 62659b557f
ver 7: 734d95599c
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: 1d11897d2c
Link: https://lore.kernel.org/r/20260727-topic-smem_dramc-v5-2-66188b3e338d@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
checkpatch.pl reports:
WARNING: Prefer 'unsigned int' to bare use of 'unsigned'
Convert the SMEM driver to use the less ambiguous type instead.
Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Mukesh Ojha <mukesh.ojha@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260727-topic-smem_dramc-v5-1-66188b3e338d@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
The hardcoded MAX_GENI_CFG_RAMn_CNT limit is not accurate for all SoCs:
some targets have less CFG RAM than the constant implies, while others
like QCS615 need more entries than the old limit of 455 allowed, causing
valid firmware to be rejected at load time.
Rather than hardcoding a constant, read PROG_RAM_DEPTH from SE_HW_PARAM_2
at runtime to get the actual CFG RAM depth of the hardware instance and
use that as the upper bound for firmware size validation.
Fixes: d4bf06592a ("soc: qcom: geni-se: Add support to load QUP SE Firmware via Linux subsystem")
Cc: stable@vger.kernel.org
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Viken Dadhaniya <viken.dadhaniya@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260702-qup-se-increase-ram-cnt-v3-1-80b363373a5b@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Before the fixes-referenced commit, there was a trailing 'u32 reserved'
after the payload array. That commit gobbled it up into the thunderbolt
extradata. Push it back where it belongs.
There's no functional change, since the outer struct size remains
identical - struct usbc_sc8280x_tbt_data and therefore the union it's a
part of made up for the difference and the res bytes were ignored
anyway.
Fixes: 0539c5a6fd ("soc: qcom: pmic_glink_altmode: Consume TBT3/USB4 mode notifications")
Reported-by: Fenglin Wu <fenglin.wu@oss.qualcomm.com>
Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260717-topic-tbt_extradata_fixup-v1-1-5caa18f1c8d3@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
This adds a fix for a missing error check in mtk-socinfo, and
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Besides from that, this also reworks how the MMSYS tables are
specified with the macro, separating the component's hardware
instance from the actual type, resolving a prerequirement for
the restructuring of mediatek-drm.
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Merge tag 'mtk-soc-for-v7.3' of https://git.kernel.org/pub/scm/linux/kernel/git/mediatek/linux into soc/drivers
MediaTek SoC driver updates
This adds a fix for a missing error check in mtk-socinfo, and
also a missing MODULE_DEVICE_TABLE() in the mtk-dvfsrc driver.
Besides from that, this also reworks how the MMSYS tables are
specified with the macro, separating the component's hardware
instance from the actual type, resolving a prerequirement for
the restructuring of mediatek-drm.
* tag 'mtk-soc-for-v7.3' of https://git.kernel.org/pub/scm/linux/kernel/git/mediatek/linux:
soc: mediatek: add missing MODULE_DEVICE_TABLE()
soc: mediatek: mtk-mmsys: Use MMSYS_ROUTE() in default routing table
soc: mediatek: mtk-mmsys: Rework routes to specify component ID
soc: mediatek: mtk-socinfo Add error handling in devm_kasprintf()
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Fix OF/device_node reference count leaks in imx_src_init(),
imx7_src_init(), and the AVIC interrupt controller driver
- Drop obsolete/unused declarations from `arch/arm/mach-imx/common.h`
- firmware: imx: scu: Refactor mailbox channel management to use a
per-instance handle instead of a global one
- firmware: imx: sm-misc: Add NULL check for `kmalloc` return value in
syslog_show
- soc: imx9: Add error handling for `devm_kasprintf` return value
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Merge tag 'imx-soc-7.3' of https://git.kernel.org/pub/scm/linux/kernel/git/frank.li/linux into soc/arm
i.MX SoC Changes for v7.3
- Fix OF/device_node reference count leaks in imx_src_init(),
imx7_src_init(), and the AVIC interrupt controller driver
- Drop obsolete/unused declarations from `arch/arm/mach-imx/common.h`
- firmware: imx: scu: Refactor mailbox channel management to use a
per-instance handle instead of a global one
- firmware: imx: sm-misc: Add NULL check for `kmalloc` return value in
syslog_show
- soc: imx9: Add error handling for `devm_kasprintf` return value
* tag 'imx-soc-7.3' of https://git.kernel.org/pub/scm/linux/kernel/git/frank.li/linux:
firmware: imx: scu: manage mailbox channels and global handle
soc: imx9: devm_kasprintf error handling
ARM: imx: Drop obsolete stuff from common.h
firmware: imx: sm-misc: Add NULL check for kmalloc in syslog_show
ARM: imx: fix device_node refcount leaks in imx7_src_init()
ARM: imx: fix device_node refcount leak in imx_src_init()
ARM: imx: avic: Fix OF node reference leaks
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The driver has an OF match table wired to .of_match_table, but does
not export the table with MODULE_DEVICE_TABLE().
Add the missing MODULE_DEVICE_TABLE(of, ...) entry so module alias
information is generated for OF based module autoloading.
This is a source-level fix. It does not claim dynamic hardware
reproduction; the evidence is the driver-owned match table, its use by
the platform driver, and the missing module alias publication.
Signed-off-by: Pengpeng Hou <pengpeng@iscas.ac.cn>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
All of the mtk_mmsys_routes tables for all SoCs were converted to
use the MMSYS_ROUTE() macro but the default one used for MT2701,
MT2712 and SoCs from that generation was not: convert this one as
well.
This brings no functional change.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
In preparation for a refactoring of multimedia related MediaTek
drivers, including mmsys, mutex and mediatek-drm, rework all of
the MMSYS routes to specify a hardware component instance number
(or "SubID") alongside the hardware component type.
This also is one step of preparation towards the removal of the
catch-all mtk_ddp_comp_id enumeration and towards the migration
from a predefined-coupling static hardware component IDSubID
mapping (carrying around a very long enumeration and also some
multiple big arrays in mediatek-drm) to a more flexible map of
Component ID (Type) decoupled from Component SubID (HW Instance)
as then, anyway, techniques to handle components are always the
same on a type basis.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Diagnosing GENI SE-based driver (serial, SPI, I2C) failures currently
requires reading each hardware register individually, either through
ad hoc debug code or a debugger. This is slow, requires the state to
remain stable across the multiple reads, and cannot be run
non-intrusively during normal operation without adding printk-style
noise to each driver.
Add a new trace event header for the Qualcomm GENI Serial Engine (SE)
framework providing a geni_se_regs tracepoint. This tracepoint
captures a comprehensive snapshot of the GENI SE hardware state in a
single trace record, making it possible to correlate register values at
a precise point in time without multiple sequential reads.
The trace event records the following register groups:
- Main/secondary command and IRQ status (M_CMD0, S_CMD0, M/S_IRQ_STATUS)
- Engine status, IOS, and command control/error registers
- TX/RX FIFO status and watermark registers (including RFR watermark)
- M/S GP length registers
- DMA TX/RX IRQ, enable, length, pointer, attribute, and burst registers
- DMA interface enable, general config, QSB trans config, and debug
- M/S IRQ enable, GSI event enable, and top-level SE IRQ enable
- Serial master/slave clock config, general config, output control,
clock control RO, FIFO interface disable, and FW multilock MSA
- Clock select register
Having all these registers captured atomically in a single ftrace record
allows drivers built on top of the GENI SE framework (serial, SPI, I2C)
to invoke this tracepoint on error paths and reconstruct the full engine
state during post-mortem analysis without instrumenting each driver
separately.
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Praveen Talari <praveen.talari@oss.qualcomm.com>
Link: https://patch.msgid.link/20260729-add-tracepoints-for-se-reg-dump-v4-1-08bbd63b0ed2@oss.qualcomm.com
Signed-off-by: Mark Brown <broonie@kernel.org>
1. Fix very old leak of OF node in PMU driver.
2. Few cleanups and new bindings for ExynosAutov920 HSI0 syscon.
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Merge tag 'samsung-drivers-7.3' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into soc/drivers
Samsung SoC drivers for v7.3
1. Fix very old leak of OF node in PMU driver.
2. Few cleanups and new bindings for ExynosAutov920 HSI0 syscon.
* tag 'samsung-drivers-7.3' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
dt-bindings: samsung: exynos-pmu: Narrow allowed reboot modes
dt-bindings: samsung: exynos-pmu: Restrict children with unevaluatedProperties
dt-bindings: soc: samsung: exynos-sysreg: Add hsi0 for ExynosAutov920
soc: samsung: exynos-pmu: fix of_node refcount leak in exynos_get_pmu_regmap()
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Commit 7aa1aa6ece ("QE: Move QE from arch/powerpc to drivers/soc")
moved QE into drivers/soc including gpio.c but left CONFIG_QE_GPIO
in powerpc's Kconfig.
Move it to SoC as well as it is the only place it is used:
drivers/soc/fsl/qe/Makefile:obj-$(CONFIG_QE_GPIO) += gpio.o qe_ports_ic.o
include/soc/fsl/qe/qe.h:#ifdef CONFIG_QE_GPIO
include/soc/fsl/qe/qe.h:#endif /* CONFIG_QE_GPIO */
There is also a dependency in USB subsystem for CONFIG_USB_FHCI_HCD:
drivers/usb/host/Kconfig: depends on QE_GPIO && QUICC_ENGINE
Because that USB driver selects CONFIG_FSL_GTM which is specific to
powerpc, it has to depend on CONFIG_PPC.
Acked-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://lore.kernel.org/r/9a7131d15a94e2017877e628f0e97f9aa2e0aae9.1785140877.git.chleroy@kernel.org
Signed-off-by: Christophe Leroy (CS GROUP) <chleroy@kernel.org>
The driver has an OF match table wired to .of_match_table, but does
not export the table with MODULE_DEVICE_TABLE().
Add the missing MODULE_DEVICE_TABLE(of, ...) entry so module alias
information is generated for OF based module autoloading.
This is a source-level fix. It does not claim dynamic hardware
reproduction; the evidence is the driver-owned match table, its use by
the platform driver, and the missing module alias publication.
Signed-off-by: Pengpeng Hou <pengpeng@iscas.ac.cn>
Message-ID: <20260704122324.80274-1-pengpeng@iscas.ac.cn>
Signed-off-by: Linus Walleij <linusw@kernel.org>
The driver has an OF match table wired to .of_match_table, but does
not export the table with MODULE_DEVICE_TABLE().
Add the missing MODULE_DEVICE_TABLE(of, ...) entry so module alias
information is generated for OF based module autoloading.
This is a source-level fix. It does not claim dynamic hardware
reproduction; the evidence is the driver-owned match table, its use by
the platform driver, and the missing module alias publication.
Signed-off-by: Pengpeng Hou <pengpeng@iscas.ac.cn>
Message-ID: <20260704121851.63805-1-pengpeng@iscas.ac.cn>
Signed-off-by: Linus Walleij <linusw@kernel.org>
put_fifo_with_discard() acts as both producer and consumer on the kfifo:
it calls kfifo_skip() (advances out) and kfifo_put() (advances in) from
the IRQ handler without synchronizing with snoop_file_read(), which also
consumes via kfifo_to_user(). On SMP systems this concurrent access can
leave (in - out) larger than the ring buffer, so __kfifo_to_user()'s clamp
to (in - out) is ineffective and kfifo_copy_to_user() can attempt a
copy_to_user() past the kmalloc-2k backing store:
usercopy: Kernel memory exposure attempt detected from SLUB object
'kmalloc-2k' (offset 0, size 2049)!
kernel BUG at mm/usercopy.c!
Call trace:
usercopy_abort
__check_heap_object
__check_object_size
kfifo_copy_to_user
__kfifo_to_user
snoop_file_read
vfs_read
Serialize kfifo access with a per-channel spinlock shared between the
IRQ handler (producer) and the file reader (consumer). Annotate @fifo
with __guarded_by(&lock) and opt the driver into context analysis so the
compiler enforces that all fifo access holds the lock.
Fixes: 3772e5da44 ("drivers/misc: Aspeed LPC snoop output using misc chardev")
Signed-off-by: Karthikeyan KS <karthiproffesional@gmail.com>
Signed-off-by: Andrew Jeffery <andrew@codeconstruct.com.au>
On Shikra, the DDR System Firmware (DSF) configures ECC interrupt
routing before the kernel driver probes — it enables Tag/Data RAM
interrupts and programs error thresholds in the LLCC interrupt-enable
registers.
Set irq_configured in shikra_cfg so that qcom_llcc_edac_probe() skips
calling qcom_llcc_core_setup(), which would otherwise overwrite the
firmware-managed register state with redundant writes.
Signed-off-by: Faiyaz Mohammed <faiyaz.mohammed@oss.qualcomm.com>
Reviewed-by: Mukesh Ojha <mukesh.ojha@oss.qualcomm.com>
Reviewed-by: Komal Bajaj <komal.bajaj@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260713-shikra-edac-v2-1-22fcb3ca9fb9@qti.qualcomm.com
[bjorn: Changed subject prefix]
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
knav_queue_probe() creates the global qmss debugfs file whose show
callback reads the global knav_qdev state. knav_queue_remove() tears
down the queue manager resources but leaves the debugfs file published.
Save the debugfs dentry in struct knav_device and remove it during
teardown before the resources used by the show callback are released.
While touching the debugfs_create_file() call, spell the unchanged read-
only file mode as 0444.
Fixes: 41f93af900 ("soc: ti: add Keystone Navigator QMSS driver")
Signed-off-by: Pengpeng Hou <pengpeng@iscas.ac.cn>
Link: https://patch.msgid.link/20260706144706.96313-1-pengpeng@iscas.ac.cn
Signed-off-by: Nishanth Menon <nm@ti.com>
The kernel does not permit a device to register multiple sys-off
handlers for non-default priority levels. Hence, for multi-socket Tegra
devices, registering the sys-off handler in the Tegra PMC driver (which
uses the low priority level) more than once fails.
The Tegra PMC sys-off handler is supported for all current generations
of the Tegra SoC, however, it is only used as a low priority handler if
everything else fails. For example, on Tegra264 the EFI reboot handler
is called to restart the device. Therefore, for multi-socket devices,
skip the registering of the sys-off handler to because this is not
critical.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Apple SoCs have PMGR blocks that control a bunch of power-related
features. Besides the existing device power state controls (which are
very uniform and handled by apple-pmgr-pwrstate), we also need to manage
more random registers such as SoC-wide fabric and memory controller
power states, which have a different interface.
Add a driver for these kitchen sink controls. Right now it implements
fabric and memory controller power state switching on system
standby/s2idle, which saves about 1W of power or so on t60xx platforms.
Signed-off-by: Hector Martin <marcan@marcan.st>
Reviewed-by: Sven Peter <sven@kernel.org>
Co-developed-by: Sasha Finkelstein <k@chaosmail.tech>
Signed-off-by: Sasha Finkelstein <k@chaosmail.tech>
Reviewed-by: Joshua Peisach <jpeisach@ubuntu.com>
Link: https://patch.msgid.link/20260705-pmgr-misc-v3-2-51b75fed6f73@chaosmail.tech
Signed-off-by: Sven Peter <sven@kernel.org>
rpmh_rsc_probe() registers CPU PM or genpd notifiers before populating
child devices. If child population fails, the CPU PM notifier path is not
unwound and the genpd path needs open-coded cleanup.
Use devm_pm_runtime_enable() for the genpd path and
devm_add_action_or_reset() for both notifier registrations. This makes
probe failure and driver detach use the same cleanup model while keeping
devm_of_platform_populate() responsible for child devices.
Fixes: 25092e6100 ("soc: qcom: rpmh-rsc: Attach RSC to cluster PM domain")
Signed-off-by: Pengpeng Hou <pengpeng@iscas.ac.cn>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260623015501.31129-1-pengpeng@iscas.ac.cn
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
QCOM_SCM and QCOM_SPM are user-selectable drivers, thus
ARM_QCOM_SPM_CPUIDLE should rather avoid selecting them but instead
depend to avoid any possible unmet dependencies.
ARM_QCOM_SPM_CPUIDLE does use symbols from SCM and SPM, and since it
cannot be built-in, the dependency must be as built-in.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260711-qcom-soc-kconfig-v2-4-4a907e064281@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
The drivers for Qualcomm SoC components are covering a basic or
fundamental SoC blocks. Usually they are required for booting or to
achieve basic expected functionality when running Linux. These drivers
do not represent any sort of buses visible to the board
designers/configurators, thus they should be always enabled, regardless
how SoC is used in the final board.
Kernel configuration should not ask users choice of drivers when that
choice is obvious and known to the developers that answer should be
'yes' or 'module'.
Switch most of the Qualcomm SoC drivers to a default 'yes' or
'module' for ARCH_QCOM, to match existing defconfig usage.
This has no impact on arm64 defconfig, arm qcom_defconfig and arm
multi_v7_defconfig.
multi:
+#define CONFIG_QCOM_PDR_HELPERS_MODULE 1
+#define CONFIG_QCOM_PBS_MODULE 1
+#define CONFIG_QCOM_AOSS_QMP 1
+#define CONFIG_QCOM_APR_MODULE 1
+#define CONFIG_QCOM_LLCC_MODULE 1
qcom:
+#define CONFIG_QCOM_PDR_HELPERS_MODULE 1
+#define CONFIG_QCOM_PBS_MODULE 1
+#define CONFIG_QCOM_AOSS_QMP 1
+#define CONFIG_QCOM_APR_MODULE 1
+#define CONFIG_QCOM_SPM 1
+#define CONFIG_QCOM_LLCC_MODULE 1
The change will however enable by default all drivers for arm or arm64
COMPILE_TEST builds, whenever ARCH_QCOM is selected, which feels
logical: if one selects ARCH_QCOM then probably by default wants to
build test it entirely. Kernels with COMPILE_TEST are not supposed to
be used for booting.
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260711-qcom-soc-kconfig-v2-3-4a907e064281@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
There is no point to allow selecting core SoC drivers for Qualcomm ARMv7
SoCs when building ARM64 kernel, and vice versa.
This makes kernel configuration more difficult as many do not remember
the Qualcomm SoCs model names/numbers and their properties like
architecture. No features should be lost because:
1. There won't be a single image for ARMv7 and ARMv8/9 SoCs.
2. Newer ARMv8/9 SoCs won't be running in arm32 emulation mode.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260711-qcom-soc-kconfig-v2-2-4a907e064281@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Switch from a simple menu to menuconfig, so all Qualcomm SoC drivers
will be under one selectable option, allowing to disable them all which
should make kernel configuration easier when preparing a non-Qualcomm
kernel.
This has few benefits (functional impact of this commit):
1. Allow compile testing of QCOM_OCMEM, which previously required
ARCH_QCOM.
2. Hide behind ARCH_QCOM or COMPILE_TEST drivers specific to Qualcomm
which should not be available to other kernel builds:
QCOM_PMIC_PDCHARGER_ULOG, QCOM_PMIC_GLINK, QCOM_SPM and QCOM_PBS.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260711-qcom-soc-kconfig-v2-1-4a907e064281@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Switch qcom_q6v5_pas client driver over to generic PAS TZ APIs. Generic PAS
TZ service allows to support multiple TZ implementation backends like QTEE
based SCM PAS service, OP-TEE based PAS service and any further future TZ
backend service.
Since qcom_q6v5_pas depends on MDT loader for PAS firmware loading, it
has to be switched over to generic PAS APIs in this commit to avoid any
build issues.
Reviewed-by: Mukesh Ojha <mukesh.ojha@oss.qualcomm.com>
Tested-by: Mukesh Ojha <mukesh.ojha@oss.qualcomm.com> # Lemans
Tested-by: Vignesh Viswanathan <vignesh.viswanathan@oss.qualcomm.com> # IPQ9650
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Sumit Garg <sumit.garg@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260702115835.167602-5-sumit.garg@kernel.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Add UBWC configuration for the Shikra platform. Shikra shares the
same hardware as QCM2290 (Agatti), so reuse qcm2290_data for the
UBWC settings
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Nabige Aala <nabige.aala@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260608-shikra-display-v4-2-88a846afdd5d@oss.qualcomm.com
[bjorn: Translated to new generic definitions]
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Add an error check to the devm_kasprintf() function in
mtk_socinfo_create_socinfo_node(), returning -ENOMEM if the function
failed.
Assisted-by: gkh_clanker_t1000
CC: Matthias Brugger <matthias.bgg@gmail.com>
CC: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Griffin Kroah-Hartman <griffin@kroah.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Add support for the Qualcomm QCS8300 SoC to the protection
domain mapper. QCS8300 share the same protection domain
configuration as SC8280XP, except charger_pd.
Add an entry to the kernel, to avoid the need for userspace to
provide this service.
Signed-off-by: Mohammad Rafi Shaik <mohammad.rafi.shaik@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260608084139.1468000-3-mohammad.rafi.shaik@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Add support for the Qualcomm SA8775P SoC to the protection
domain mapper. SA8775P share the same protection domain
configuration as SC8280XP with an additional gpdsp domain,
except for charger_pd.
Add an entry to the kernel, to avoid the need for userspace
to provide this service.
Signed-off-by: Mohammad Rafi Shaik <mohammad.rafi.shaik@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260608084139.1468000-2-mohammad.rafi.shaik@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
This driver currently supports Inline Crypto Engine (ICE) IP version 3 and
4. But this driver fully supports v5 and should support upcoming versions
as well. So extend the version check to support versions 3 and beyond.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260521131229.11199-1-mani@kernel.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
After removing all extra entries from the UBWC database it is easy to
define generic entries, common for all machine classes.
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260520-ubwc-rework-v5-28-72f2749bc807@oss.qualcomm.com
[bjorn: Dropped unused "ubwc_3_0_hbb16", per compiler warning]
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Sort out the remaining UBWC swizzle values, using flags to control
whether level 2 and level 3 swizzling are enabled or not.
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260520-ubwc-rework-v5-27-72f2749bc807@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
UBWC devices before 4.0 use standard UBWC swizzle levels. As all the
drivers now use the qcom_ubwc_swizzle() helper, move those values to the
helper, leaving UBWC 4.0+ intact for now.
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260520-ubwc-rework-v5-26-72f2749bc807@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
All the users have been migrated to using qcom_ubwc_macrotile_mode()
instead of reading the raw value from the config structure. Drop the
field from struct qcom_ubwc_cfg_data and replace it with the calculated
value. Split single UBWC_3_0 into UBWC_3_0 (no macrotile mode) and
UBWC_3_1 (with macrotile mode).
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260520-ubwc-rework-v5-25-72f2749bc807@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
According to the documentation, UBWC bank spreading should be enabled
for all targets. It's just not all targets have separate bit to control
it. Drop the bit from the database and make the helper always return
true. If we need to change it later, the helper can be adjusted
according to the programming guides.
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260520-ubwc-rework-v5-24-72f2749bc807@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
The ubwc_dec_version field has been inherited from the MDSS driver and
it is equal to the version of the UBWC decoder in the display block
only. Other IP Cores can have different UBWC decoders and so the version
would vary between blocks.
As the value is no longer used as is not relevant to other UBWC database
consumers, drop it from the UBWC database.
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260520-ubwc-rework-v5-23-72f2749bc807@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
checkpatch.pl reports an improper SPDX comment style for this file:
WARNING: Improper SPDX comment style for 'drivers/soc/qcom/cmd-db.c',
please use '//' instead
Per Documentation/process/license-rules.rst, C source files must use the
'// SPDX-License-Identifier: ...' form instead of the '/* ... */' form.
Fix it.
Signed-off-by: Mayur Kumar <kmayur809@gmail.com>
Reviewed-by: Sneh Mankad <sneh.mankad@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260510193840.59156-1-kmayur809@gmail.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
devm_apple_sart_get() obtains the supplier platform device and attempts
to create a runtime-PM device link to it, but it ignores device_link_add()
failure. A consumer can then continue without the dependency that keeps
the SART supplier ordered and runtime-PM reachable.
Treat a failed device link as an error and drop the supplier device
reference before returning.
Signed-off-by: Pengpeng Hou <pengpeng@iscas.ac.cn>
Reviewed-by: Joshua Peisach <jpeisach@ubuntu.com>
Link: https://patch.msgid.link/20260616005346.7862-1-pengpeng@iscas.ac.cn
Signed-off-by: Sven Peter <sven@kernel.org>
meson_msr_probe() creates a debugfs tree with entries that reference
devm-managed measurement table entries and the driver's private regmap
state. The driver has no remove callback, so unbinding the device can
leave those debugfs entries behind after the private data is released.
Store the debugfs root and remove the subtree from a new remove callback.
Signed-off-by: Pengpeng Hou <pengpeng@iscas.ac.cn>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patch.msgid.link/20260615091531.21964-1-pengpeng@iscas.ac.cn
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Add support for the A1 and T7 SoC family in amlogic clk measure.
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Jian Hu <jian.hu@amlogic.com>
Link: https://patch.msgid.link/20260421-clkmsr_a1_t7-v3-2-efc00b0f9e6b@amlogic.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Replace the #include of <linux/mod_devicetable.h> by the more specific
<linux/device-id/*.h> where applicable. For most cases the include
can be dropped completely, only a few drivers need one or two headers
added.
Acked-by: Danilo Krummrich <dakr@kernel.org>
Acked-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://patch.msgid.link/1a3f2007c5c5dcf555c09a4035ce3ae8ef1b6c49.1782808461.git.u.kleine-koenig@baylibre.com
Signed-off-by: Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com>
Various names for Qualcomm as a company are used in user-visible config
options: QCOM, Qualcomm and Qualcomm Technologies. Switch to unified
"Qualcomm" so it will be easier for users to identify the options when
for example running menuconfig.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260422083330.84247-2-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
exynos_get_pmu_regmap() obtains a device_node via of_find_matching_node()
and passes it to exynos_get_pmu_regmap_by_phandle(np, NULL). With
propname == NULL the callee uses np directly and does not drop a
reference, so the reference taken by of_find_matching_node() is leaked on
every call -- including on each -EPROBE_DEFER retry of the only in-tree
caller, exynos_retention_init() in the Exynos pinctrl driver.
Annotate np with the __free(device_node) cleanup attribute so the
reference is released when the function returns.
Found by static analysis tool CodeQL.
Fixes: 76640b84bd ("soc: samsung: pmu: Provide global function to get PMU regmap")
Signed-off-by: Weigang He <geoffreyhe2@gmail.com>
Link: https://patch.msgid.link/20260609143852.1783558-1-geoffreyhe2@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
My Grace host started to show this warning:
WARNING: drivers/soc/tegra/fuse/tegra-apbmisc.c:120 at tegra_read_straps
tegra30_fuse_add_randomness
tegra30_fuse_init
tegra_fuse_probe
tegra_read_straps() warns when the static "chipid" cache is still zero,
using it as a proxy for "APBMISC has been initialised". However chipid
is only ever populated lazily by tegra_read_chipid() when it reads the
APBMISC register.
Guard on apbmisc_base instead, which is set unconditionally in
tegra_init_apbmisc_resources() for all platforms and is already the
sentinel used by tegra_read_chipid().
Fixes: 8b8ee2e56f ("soc/tegra: Use ARM SMCCC to get chip ID, revision, and platform info")
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
There are a few added drivers, but mostly the normal maintenance to drivers
for firmware, memory controller and other soc specific hadware:
- The NXP QuickEngine gets modern MSI support, which allows some cleanups to
the GICv3 irqchip chip driver
- A new SoC specific driver for the Renesas R-Car MFIS unit is added,
encapsulating support for the on-chip mailbox and hwspinlock
implementations that are not easily separated into individual
drivers
- The Qualcomm SoC drivers add support for additional SoC implementations,
and flexiblity around power managedment for the serial-engine driver
as well as probing the LLCC driver using custom hardware descriptions
inside of the device itself.
- Added support for the Samsung thermal management unit
- A cleanup to the Tegra 'PMC' driver interfaces to remove legacy
APIs and allow multiple PMC instances everywhere.
- Updates to the TI SCI and KNAS drivers to improve suspend/resume
support.
- Minor driver changes for mediatek, xilinx, allwinner, aspeed, tegra,
broadcom, amd, microchip and starfive specific drivers
- Memory controller updates for Tegra and Renesas for additional SoC
types and other improvements.
- Firmware driver updates for Arm FF-A, SMCCC and SCMI interfaces,
to update driver probing, object lifetimes and address minor bugs.
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Merge tag 'soc-drivers-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC driver updates from Arnd Bergmann:
"There are a few added drivers, but mostly the normal maintenance to
drivers for firmware, memory controller and other soc specific
hardware:
- The NXP QuickEngine gets modern MSI support, which allows some
cleanups to the GICv3 irqchip chip driver
- A new SoC specific driver for the Renesas R-Car MFIS unit is added,
encapsulating support for the on-chip mailbox and hwspinlock
implementations that are not easily separated into individual
drivers
- The Qualcomm SoC drivers add support for additional SoC
implementations, and flexibility around power management for the
serial-engine driver as well as probing the LLCC driver using
custom hardware descriptions inside of the device itself.
- Added support for the Samsung thermal management unit
- A cleanup to the Tegra 'PMC' driver interfaces to remove legacy
APIs and allow multiple PMC instances everywhere.
- Updates to the TI SCI and KNAS drivers to improve suspend/resume
support.
- Minor driver changes for mediatek, xilinx, allwinner, aspeed,
tegra, broadcom, amd, microchip and starfive specific drivers
- Memory controller updates for Tegra and Renesas for additional SoC
types and other improvements.
- Firmware driver updates for Arm FF-A, SMCCC and SCMI interfaces, to
update driver probing, object lifetimes and address minor bugs"
* tag 'soc-drivers-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (189 commits)
Revert "firmware: zynqmp: Add dynamic CSU register discovery and sysfs interface"
Revert "Documentation: ABI: add sysfs interface for ZynqMP CSU registers"
memory: tegra234: drop dead NULL check in tegra234_mc_icc_aggregate()
memory: tegra264: drop redundant tegra264_mc_icc_aggregate()
memory: tegra186-emc: stop borrowing MC aggregate hook for EMC
soc: aspeed: cleanup dead default for ASPEED_SOCINFO
firmware: tegra: bpmp: Add support for multi-socket platforms
firmware: tegra: bpmp: Propagate debugfs errors
soc/tegra: pmc: Add Tegra238 support
soc/tegra: pmc: Restrict power-off handler to Nexus 7
soc/tegra: pmc: Populate powergate debugfs only when needed
soc/tegra: pmc: Move legacy code behind CONFIG_ARM guard
soc/tegra: pmc: Remove unused legacy functions
soc/tegra: pmc: Create PMC context dynamically
firmware: samsung: acpm: remove compile-testing stubs
firmware: samsung: acpm: Add devm_acpm_get_by_phandle helper
firmware: samsung: acpm: Add TMU protocol support
firmware: samsung: acpm: Make acpm_ops const and access via pointer
firmware: samsung: acpm: Drop redundant _ops suffix in acpm_ops members
firmware: samsung: acpm: Annotate rx_data->cmd with __counted_by_ptr
...
- deferred probe:
- Fix race where deferred probe timeout work could be permanently
canceled by using mod_delayed_work()
- Fix missing jiffies conversion in deferred_probe_extend_timeout()
- Guard timeout extension with delayed_work_pending() to prevent
premature firing
- Use system_percpu_wq instead of the deprecated system_wq
- Update deferred_probe_timeout documentation
- device:
- Replace direct struct device bitfield access (can_match, dma_iommu,
dma_skip_sync, dma_ops_bypass, state_synced, dma_coherent,
of_node_reused, offline, offline_disabled) with flag-based
accessors using bit operations
- Reject devices with unregistered buses
- Delete unused DEVICE_ATTR_PREALLOC()
- Add low-level device attribute macros with const show/store
callbacks, allowing device attributes to reside in read-only memory
- Move core device attributes to read-only memory
- Constify group array pointers in driver_add_groups() /
driver_remove_groups(), struct bus_type, and struct device_driver
- device property:
- Fix fwnode reference leak in fwnode_graph_get_endpoint_by_id()
- Initialize all fields of fwnode_handle in fwnode_init()
- Provide swnode_get()/swnode_put() wrappers around kobject_get/put()
- Allow passing struct software_node_ref_args pointers directly to
PROPERTY_ENTRY_REF()
- driver_override:
- Migrate amba, cdx, vmbus, and rpmsg to the generic driver_override
infrastructure, fixing a UAF from unsynchronized access to
driver_override in bus match() callbacks
- Remove the now-unused driver_set_override()
- firmware loader:
- Fix recursive lock deadlock in device_cache_fw_images() when async
work falls back to synchronous execution
- Fix device reference leak in firmware_upload_register()
- platform:
- Pass KBUILD_MODNAME through the platform driver registration macro
to create module symlinks in sysfs for built-in drivers; move
module_kset initialization to a pure_initcall and tegra cbb
registration to core_initcall to ensure correct ordering
- Pass THIS_MODULE implicitly through a coresight_init_driver() macro
- sysfs:
- Upgrade OOB write detection in sysfs_kf_seq_show() from printk to
WARN
- Add return value clamping to sysfs_kf_read()
- Rust:
- ACPI:
- Fix missing match data for PRP0001 by exporting
acpi_of_match_device()
- Auxiliary:
- Replace drvdata() with dedicated registration data on
auxiliary_device. drvdata() exposed the driver's bus device
private data beyond the driver's own scope, creating ordering
constraints and forcing the data to outlive all registrations
that access it. Registration data is instead scoped structurally
to the Registration object, making lifecycle ordering enforced
by construction rather than convention.
- Rust-native device driver lifetimes (HRT):
- Allow Rust device drivers to carry a lifetime parameter on their
bus device private data, tied to the device binding scope -- the
interval during which a bus device is bound to a driver. Device
resources like pci::Bar<'a> and IoMem<'a> can be stored directly
in the driver's bus device private data with a lifetime bounded
by the binding scope, so the compiler enforces at build time that
they do not outlive the binding. This removes Devres indirection
from every access site and eliminates try_access() failure paths
in destructors.
Bus driver traits use a Generic Associated Type (GAT)
Data<'bound> to introduce the lifetime on the private data,
rather than parameterizing the Driver trait itself. Auxiliary
registration data, where the lifetime is not introduced by a
trait callback but must be threaded through Registration, uses
the ForLt trait (a type-level abstraction for types generic over
a lifetime).
- Misc:
- Fix DT overlayed devices not probing by reverting the broken
treewide overlay fix and re-running fw_devlink consumer pickup when
an overlay is applied to a bound device
- Use root_device_register() for faux bus root device; add sanity
check for failed bus init
- Fix dev_has_sync_state() data race with READ_ONCE() and move it to
base.h
- Avoid spurious device_links warning when removing a device while
its supplier is unbinding
- Switch ISA bus to dynamic root device
- Fix suspicious RCU usage in kernfs_put()
- Remove devcoredump exit callback
- Constify devfreq_event_class
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Merge tag 'driver-core-7.2-rc1' of gitolite.kernel.org:pub/scm/linux/kernel/git/driver-core/driver-core
Pull driver core updates from Danilo Krummrich:
"Deferred probe:
- Fix race where deferred probe timeout work could be permanently
canceled by using mod_delayed_work()
- Fix missing jiffies conversion in deferred_probe_extend_timeout()
- Guard timeout extension with delayed_work_pending() to prevent
premature firing
- Use system_percpu_wq instead of the deprecated system_wq
- Update deferred_probe_timeout documentation
device:
- Replace direct struct device bitfield access (can_match, dma_iommu,
dma_skip_sync, dma_ops_bypass, state_synced, dma_coherent,
of_node_reused, offline, offline_disabled) with flag-based
accessors using bit operations
- Reject devices with unregistered buses
- Delete unused DEVICE_ATTR_PREALLOC()
- Add low-level device attribute macros with const show/store
callbacks, allowing device attributes to reside in read-only memory
- Move core device attributes to read-only memory
- Constify group array pointers in driver_add_groups() /
driver_remove_groups(), struct bus_type, and struct device_driver
device property:
- Fix fwnode reference leak in fwnode_graph_get_endpoint_by_id()
- Initialize all fields of fwnode_handle in fwnode_init()
- Provide swnode_get()/swnode_put() wrappers around kobject_get/put()
- Allow passing struct software_node_ref_args pointers directly to
PROPERTY_ENTRY_REF()
driver_override:
- Migrate amba, cdx, vmbus, and rpmsg to the generic driver_override
infrastructure, fixing a UAF from unsynchronized access to
driver_override in bus match() callbacks
- Remove the now-unused driver_set_override()
firmware loader:
- Fix recursive lock deadlock in device_cache_fw_images() when async
work falls back to synchronous execution
- Fix device reference leak in firmware_upload_register()
platform:
- Pass KBUILD_MODNAME through the platform driver registration macro
to create module symlinks in sysfs for built-in drivers; move
module_kset initialization to a pure_initcall and tegra cbb
registration to core_initcall to ensure correct ordering
- Pass THIS_MODULE implicitly through a coresight_init_driver() macro
sysfs:
- Upgrade OOB write detection in sysfs_kf_seq_show() from printk to
WARN
- Add return value clamping to sysfs_kf_read()
Rust:
- ACPI:
Fix missing match data for PRP0001 by exporting
acpi_of_match_device()
- Auxiliary:
Replace drvdata() with dedicated registration data on
auxiliary_device. drvdata() exposed the driver's bus device private
data beyond the driver's own scope, creating ordering constraints
and forcing the data to outlive all registrations that access it.
Registration data is instead scoped structurally to the
Registration object, making lifecycle ordering enforced by
construction rather than convention.
- Rust-native device driver lifetimes (HRT):
Allow Rust device drivers to carry a lifetime parameter on their
bus device private data, tied to the device binding scope -- the
interval during which a bus device is bound to a driver. Device
resources like pci::Bar<'a> and IoMem<'a> can be stored directly in
the driver's bus device private data with a lifetime bounded by the
binding scope, so the compiler enforces at build time that they do
not outlive the binding. This removes Devres indirection from every
access site and eliminates try_access() failure paths in
destructors.
Bus driver traits use a Generic Associated Type (GAT) Data<'bound>
to introduce the lifetime on the private data, rather than
parameterizing the Driver trait itself. Auxiliary registration
data, where the lifetime is not introduced by a trait callback but
must be threaded through Registration, uses the ForLt trait (a
type-level abstraction for types generic over a lifetime).
Misc:
- Fix DT overlayed devices not probing by reverting the broken
treewide overlay fix and re-running fw_devlink consumer pickup when
an overlay is applied to a bound device
- Use root_device_register() for faux bus root device; add sanity
check for failed bus init
- Fix dev_has_sync_state() data race with READ_ONCE() and move it to
base.h
- Avoid spurious device_links warning when removing a device while
its supplier is unbinding
- Switch ISA bus to dynamic root device
- Fix suspicious RCU usage in kernfs_put()
- Remove devcoredump exit callback
- Constify devfreq_event_class"
* tag 'driver-core-7.2-rc1' of gitolite.kernel.org:pub/scm/linux/kernel/git/driver-core/driver-core: (81 commits)
software node: allow passing reference args to PROPERTY_ENTRY_REF()
driver core: platform: set mod_name in driver registration
coresight: pass THIS_MODULE implicitly through a macro
kernel: param: initialize module_kset in a pure_initcall
soc/tegra: cbb: Move driver registration from pure_initcall to core_initcall
firmware_loader: Fix recursive lock in device_cache_fw_images()
driver core: Use system_percpu_wq instead of system_wq
driver core: remove driver_set_override()
rpmsg: use generic driver_override infrastructure
Drivers: hv: vmbus: use generic driver_override infrastructure
cdx: use generic driver_override infrastructure
amba: use generic driver_override infrastructure
rust: devres: add 'static bound to Devres<T>
samples: rust: rust_driver_auxiliary: showcase lifetime-bound registration data
rust: auxiliary: generalize Registration over ForLt
rust: types: add `ForLt` trait for higher-ranked lifetime support
gpu: nova-core: separate driver type from driver data
samples: rust: rust_driver_pci: use HRT lifetime for Bar
rust: io: make IoMem and ExclusiveIoMem lifetime-parameterized
rust: pci: make Bar lifetime-parameterized
...
- Rework the initialization and cleanup of thermal class cooling
devices to separate DT-based cooling device registration and
cooling device registration without DT (Daniel Lezcano, Ovidiu
Panait)
- Update the cooling device DT bindings to support 3-cell cooling
device representation, where the additional cell holds an ID to
select a cooling mechanism for devices that offer multiple cooling
mechanisms, and adjust the cooling device registration code
accordingly (Gaurav Kohli, Daniel Lezcano)
- Remove dead code from two functions in the thermal core and simplify
the unregistration of thermal governors (Rafael Wysocki)
- Fix critical temperature attribute removal handling in the generic
thermal zone hwmon support code and rework that code to register a
separate hwmon class device for each thermal zone (instead of using
one hwmon class device for all thermal zones of the same type) to
address thermal zone removal deadlocks (Rafael Wysocki)
- Use attribute groups for adding temperature attributes to hwmon class
devices associated with thermal zones (Rafael Wysocki)
- Pass WQ_UNBOUND when allocating the thermal workqueue (Marco
Crivellari)
- Fix potential shift overflow in ptc_mmio_write() and improve error
handling in proc_thermal_ptc_add() in the int340x thermal control
driver (Aravind Anilraj)
- Use sysfs_emit() for cpumask printing in the Intel powerclamp thermal
driver (Yury Norov)
- Add Arrow Lake CPU models to the intel_tcc_cooling driver (Srinivas
Pandruvada)
- Add QCom Nord, Shikra and Hawi temperature sensor DT bindings (Deepti
Jaggi, Gaurav Kohli, Dipa Ramesh Mantre)
- Use devm_add_action_or_reset() for clock disable on the NVidia
soctherm and switch it to devm cooling device registration version
(Daniel Lezcano)
- Add the Amlogic T7 thermal sensor along with thermal calibration
data read from SMC calls (Ronald Claveau)
- Fix atomic temperature read in the QCom tsens driver to comply with
hardware documentation (Priyansh Jain)
- Add SpacemiT K1 thermal sensor support (Shuwei Wu)
- Add i.MX93 temperature sensor support and filter out the invalid
temperature (Jacky Bai)
- Enable by default the TMU (Thermal Monitoring Unit) on Exynos
platform (Krzysztof Kozlowski)
- Rework interrupt initialization in the Tsens driver and add the
optional wakeup source (Priyansh Jain)
- Fix typo in a comment in the TSens QCom driver (Jinseok Kim)
- Fix trailing whitespace and repeated word in the OF code, remove
quoted string splitting across lines from the iMX7 driver, and remove
a stray space from the thermal_trip_of_attr() macro definition (Mayur
Kumar)
- Update the thermal testing facility code to avoid NULL pointer
dereferences by rejecting missing command arguments and replace
sscanf() with kstrtoint() or kstrtoul() in that code (Ovidiu Panait,
Samuel Moelius)
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Merge tag 'thermal-7.2-rc1' of gitolite.kernel.org:pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control updates from Rafael Wysocki:
"These add new hardware support (i.MX93 TMU, Amlogic T7, Intel Arrow
Lake, QCom Nord, Shikra and Hawi), fix issues in a number of places in
the thermal control core and drivers, clean up code and refactor it in
preparation for future changes:
- Rework the initialization and cleanup of thermal class cooling
devices to separate DT-based cooling device registration and
cooling device registration without DT (Daniel Lezcano, Ovidiu
Panait)
- Update the cooling device DT bindings to support 3-cell cooling
device representation, where the additional cell holds an ID to
select a cooling mechanism for devices that offer multiple cooling
mechanisms, and adjust the cooling device registration code
accordingly (Gaurav Kohli, Daniel Lezcano)
- Remove dead code from two functions in the thermal core and
simplify the unregistration of thermal governors (Rafael Wysocki)
- Fix critical temperature attribute removal handling in the generic
thermal zone hwmon support code and rework that code to register a
separate hwmon class device for each thermal zone (instead of using
one hwmon class device for all thermal zones of the same type) to
address thermal zone removal deadlocks (Rafael Wysocki)
- Use attribute groups for adding temperature attributes to hwmon
class devices associated with thermal zones (Rafael Wysocki)
- Pass WQ_UNBOUND when allocating the thermal workqueue (Marco
Crivellari)
- Fix potential shift overflow in ptc_mmio_write() and improve error
handling in proc_thermal_ptc_add() in the int340x thermal control
driver (Aravind Anilraj)
- Use sysfs_emit() for cpumask printing in the Intel powerclamp
thermal driver (Yury Norov)
- Add Arrow Lake CPU models to the intel_tcc_cooling driver (Srinivas
Pandruvada)
- Add QCom Nord, Shikra and Hawi temperature sensor DT bindings
(Deepti Jaggi, Gaurav Kohli, Dipa Ramesh Mantre)
- Use devm_add_action_or_reset() for clock disable on the NVidia
soctherm and switch it to devm cooling device registration version
(Daniel Lezcano)
- Add the Amlogic T7 thermal sensor along with thermal calibration
data read from SMC calls (Ronald Claveau)
- Fix atomic temperature read in the QCom tsens driver to comply with
hardware documentation (Priyansh Jain)
- Add SpacemiT K1 thermal sensor support (Shuwei Wu)
- Add i.MX93 temperature sensor support and filter out the invalid
temperature (Jacky Bai)
- Enable by default the TMU (Thermal Monitoring Unit) on Exynos
platform (Krzysztof Kozlowski)
- Rework interrupt initialization in the Tsens driver and add the
optional wakeup source (Priyansh Jain)
- Fix typo in a comment in the TSens QCom driver (Jinseok Kim)
- Fix trailing whitespace and repeated word in the OF code, remove
quoted string splitting across lines from the iMX7 driver, and
remove a stray space from the thermal_trip_of_attr() macro
definition (Mayur Kumar)
- Update the thermal testing facility code to avoid NULL pointer
dereferences by rejecting missing command arguments and replace
sscanf() with kstrtoint() or kstrtoul() in that code (Ovidiu
Panait, Samuel Moelius)"
* tag 'thermal-7.2-rc1' of gitolite.kernel.org:pub/scm/linux/kernel/git/rafael/linux-pm: (54 commits)
thermal: sysfs: Replace sscanf() with kstrtoul()
thermal: testing: Replace sscanf() with kstrtoint()
thermal: testing: reject missing command arguments
thermal: intel: intel_tcc_cooling: Add Arrow Lake CPU models
thermal/drivers/qcom/tsens: Disable wakeup interrupt setup on automotive targets
thermal/drivers/qcom/tsens: Switch wake IRQ handling to PM callbacks
thermal/core: Fix missing stub for devm_thermal_cooling_device_register
dt-bindings: thermal: cooling-devices: Update support for 3 cells cooling device
thermal/of: Support cooling device ID in cooling-spec
thermal/of: Pass cdev_id and introduce devm registration helper
thermal/of: Add cooling device ID support
thermal/of: Rename the devm_thermal_of_cooling_device_register() function
thermal/core: Make cooling device OF node conditional on CONFIG_THERMAL_OF
thermal/of: Move cooling device OF helpers out of thermal core
hwmon: Use non-OF thermal cooling device registration API
thermal/core: Add devm_thermal_cooling_device_register()
thermal/core: Introduce non-OF thermal_cooling_device_register()
thermal/drivers/samsung: Enable TMU by default
thermal/driver/qoriq: Workaround unexpected temperature readings from tmu
thermal/drivers/qoriq: Add i.MX93 tmu support
...
Two more small fixes came in, both addressing corner cases in platform
specific code: the microchip mpfs system controller probe and the CPU
power management on 32-bit rockchips SoCs.
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Merge tag 'soc-fixes-7.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC fixes from Arnd Bergmann:
"Two more small fixes came in, both addressing corner cases in platform
specific code: the microchip mpfs system controller probe and the CPU
power management on 32-bit rockchips SoCs"
* tag 'soc-fixes-7.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
ARM: rockchip: keep reset control around
soc: microchip: mpfs-sys-controller: fix resource leak on probe error
TI K3 TISCI:
- ti_sci: Add BOARDCFG_MANAGED mode for support system suspend/resume cycles
- ti_sci: Add support for restoring IRQ and clock contexts during resume.
- clk: keystone: sci-clk: Add clock restoration support.
SoC Drivers:
- k3-socinfo: Add support for identifying AM62P silicon variants via NVMEM,
along with corresponding dt-bindings update for nvmem-cells support
- k3-ringacc: Fix incorrect access mode for ring pop tail IO/proxy operations
Keystone Navigator (knav) Cleanup and Fixes:
- knav_qmss: Multiple code quality improvements
- knav_qmss_queue: Implement proper resource cleanup in the remove() path
General Cleanups:
- k3-ringacc: Use str_enabled_disabled() helper for consistency
- knav_qmss: Use %pe format specifier for PTR_ERR() printing
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Merge tag 'ti-driver-soc-for-v7.2' of https://git.kernel.org/pub/scm/linux/kernel/git/ti/linux into soc/drivers
TI SoC driver updates for v7.2
TI K3 TISCI:
- ti_sci: Add BOARDCFG_MANAGED mode for support system suspend/resume cycles
- ti_sci: Add support for restoring IRQ and clock contexts during resume.
- clk: keystone: sci-clk: Add clock restoration support.
SoC Drivers:
- k3-socinfo: Add support for identifying AM62P silicon variants via NVMEM,
along with corresponding dt-bindings update for nvmem-cells support
- k3-ringacc: Fix incorrect access mode for ring pop tail IO/proxy operations
Keystone Navigator (knav) Cleanup and Fixes:
- knav_qmss: Multiple code quality improvements
- knav_qmss_queue: Implement proper resource cleanup in the remove() path
General Cleanups:
- k3-ringacc: Use str_enabled_disabled() helper for consistency
- knav_qmss: Use %pe format specifier for PTR_ERR() printing
* tag 'ti-driver-soc-for-v7.2' of https://git.kernel.org/pub/scm/linux/kernel/git/ti/linux:
firmware: ti_sci: Add support for restoring clock context during resume
clk: keystone: sci-clk: Add restore_context() operation
firmware: ti_sci: Add support for restoring IRQs during resume
firmware: ti_sci: Add BOARDCFG_MANAGED mode support
soc: ti: k3-ringacc: Use str_enabled_disabled() helper
soc: ti: knav_dma: Use IOMEM_ERR_PTR() in pktdma_get_regs()
soc: ti: knav_dma: Remove dead check on unsigned args.args[0]
soc: ti: knav_dma: Remove unused DMA_PRIO_MASK macro
soc: ti: knav_qmss_acc: Fix kernel-doc Return: tag
soc: ti: knav_qmss: Fix __iomem annotations and __be32 type
soc: ti: knav_qmss: Use %pe to print PTR_ERR()
soc: ti: knav_qmss: Fix kernel-doc Return: tags
soc: ti: knav_qmss: Inline lockdep condition in for_each_handle_rcu
soc: ti: knav_qmss: Rename global kdev to knav_qdev to fix -Wshadow
soc: ti: knav_qmss: Remove remaining redundant ENOMEM printks
soc: ti: knav_qmss_queue: Implement resource cleanup in remove()
soc: ti: k3-ringacc: Fix access mode for k3_ringacc_ring_pop_tail_io/proxy
soc: ti: knav_dma: fix all kernel-doc warnings in knav_dma.h
soc: ti: k3-socinfo: Add support for AM62P variants via NVMEM
dt-bindings: hwinfo: ti,k3-socinfo: Add nvmem-cells support
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
pull the following:
- Justin changes the soc_device driver to be more modern and consolidate
the initialization
- Chen-Yu updates the BCM2835 firmware Kconfig dependency and adds
COMPILE_TEST
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Merge tag 'arm-soc/for-7.2/drivers' of https://github.com/Broadcom/stblinux into soc/drivers
This pull request contains Broadcom SoC drivers changes for 7.2, please
pull the following:
- Justin changes the soc_device driver to be more modern and consolidate
the initialization
- Chen-Yu updates the BCM2835 firmware Kconfig dependency and adds
COMPILE_TEST
* tag 'arm-soc/for-7.2/drivers' of https://github.com/Broadcom/stblinux:
firmware: raspberrypi: Change dependency to ARCH_BCM2835 and COMPILE_TEST
soc: brcmstb: consolidate initcall functions
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The bulk of these changes converts existing users to the modern variants
of the API that take a PMC instance as argument. This completes the
transition to multi-instance support, which then makes room for cleanups
and restricting the remaining legacy APIs to 32-bit platforms.
Some changes in this set also clean up powergate debugfs and restrict
the power-off handler to be installed only where appropriate. Lastly,
support for Tegra238 is added.
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Merge tag 'tegra-for-7.2-pmc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into soc/drivers
soc/tegra: pmc: Changes for v7.2-rc1
The bulk of these changes converts existing users to the modern variants
of the API that take a PMC instance as argument. This completes the
transition to multi-instance support, which then makes room for cleanups
and restricting the remaining legacy APIs to 32-bit platforms.
Some changes in this set also clean up powergate debugfs and restrict
the power-off handler to be installed only where appropriate. Lastly,
support for Tegra238 is added.
* tag 'tegra-for-7.2-pmc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
soc/tegra: pmc: Add Tegra238 support
soc/tegra: pmc: Restrict power-off handler to Nexus 7
soc/tegra: pmc: Populate powergate debugfs only when needed
soc/tegra: pmc: Move legacy code behind CONFIG_ARM guard
soc/tegra: pmc: Remove unused legacy functions
soc/tegra: pmc: Create PMC context dynamically
usb: xhci: tegra: Explicitly specify PMC instance to use
PCI: tegra: Explicitly specify PMC instance to use
media: vde: Explicitly specify PMC instance to use
drm/tegra: Explicitly specify PMC instance to use
drm/nouveau: tegra: Explicitly specify PMC instance to use
ata: ahci_tegra: Explicitly specify PMC instance to use
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
These changes update some maintainer contact information, add a modern
way of reading the chip information and cleanup/enhance some existing
code.
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Merge tag 'tegra-for-7.2-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into soc/drivers
soc/tegra: Changes for v7.2-rc1
These changes update some maintainer contact information, add a modern
way of reading the chip information and cleanup/enhance some existing
code.
* tag 'tegra-for-7.2-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
soc/tegra: Use ARM SMCCC to get chip ID, revision, and platform info
soc/tegra: fuse: Register nvmem lookups at probe
Documentation: ABI: Take over as contact for sysfs-driver-tegra-fuse
MAINTAINERS: Move Peter De Schrijver to CREDITS
bus: tegra-aconnect: Use dev_err_probe for probe error paths
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
While bc13f14f5c ("soc: aspeed: cleanup dead default for
ASPEED_SOCINFO") was committed just now it has been in -next for a while as
b333a0f1c857411d83a02aa6f1d9ecc7666d6179. The commit is fresh as I moved it
between branches.
Other than that it's just the one other patch from Krzysztof tidying up the
location of MODULE_DEVICE_TABLE().
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Merge tag 'aspeed-7.2-drivers-0' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/bmc/linux into soc/drivers
aspeed: First batch of driver changes for v7.2
While bc13f14f5c ("soc: aspeed: cleanup dead default for
ASPEED_SOCINFO") was committed just now it has been in -next for a while as
b333a0f1c857411d83a02aa6f1d9ecc7666d6179. The commit is fresh as I moved it
between branches.
Other than that it's just the one other patch from Krzysztof tidying up the
location of MODULE_DEVICE_TABLE().
* tag 'aspeed-7.2-drivers-0' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/bmc/linux:
soc: aspeed: cleanup dead default for ASPEED_SOCINFO
soc: aspeed: Move MODULE_DEVICE_TABLE next to the table itself
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Mostly changes to the SRAM driver to allow for one SRAM region to be
"claimed" by multiple changes. When a region is "claimed" it is removed
or disconnected from the CPU's view. This is needed on the H6 and H616,
which have one alias region seemingly shared between the video codec
engine and the display engine.
One minor fix for the RSB driver is also included.
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Merge tag 'sunxi-drivers-for-7.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into soc/drivers
Allwinner driver changes for 7.2
Mostly changes to the SRAM driver to allow for one SRAM region to be
"claimed" by multiple changes. When a region is "claimed" it is removed
or disconnected from the CPU's view. This is needed on the H6 and H616,
which have one alias region seemingly shared between the video codec
engine and the display engine.
One minor fix for the RSB driver is also included.
* tag 'sunxi-drivers-for-7.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
bus: sunxi-rsb: Always check register address validity
soc: sunxi: sram: Add H616 SRAM regions
soc: sunxi: sram: Support claiming multiple regions per device
soc: sunxi: sram: Allow SRAM to be claimed multiple times
soc: sunxi: sram: Const-ify sunxi_sram_func data and references
dt-bindings: sram: sunxi-sram: Add H616 SRAM regions
dt-bindings: sram: Document Allwinner H616 VE SRAM
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
This adds subsys ID compatibility in MediaTek CMDQ, paving
the way for adding support for the MT8196 SoC, and fixes
the Multimedia System (MMSYS) routing masks for the MT8167
SoC.
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Merge tag 'mtk-soc-for-v7.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mediatek/linux into soc/drivers
MediaTek SoC driver updates
This adds subsys ID compatibility in MediaTek CMDQ, paving
the way for adding support for the MT8196 SoC, and fixes
the Multimedia System (MMSYS) routing masks for the MT8167
SoC.
* tag 'mtk-soc-for-v7.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mediatek/linux:
soc: mediatek: mtk-mmsys: Restore MT8167 routing masks lost during merge
soc: mediatek: mtk-cmdq: Add cmdq_pkt_jump_rel_temp() for removing shift_pa
soc: mediatek: Use pkt_write function pointer for subsys ID compatibility
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Commit "driver core: platform: set mod_name in driver registration" will
set struct device_driver's mod_name member for platform driver
registration. For a driver to be registered with its mod_name set,
module_kset needs to be initialized, which currently happens in a
subsys_initcall in param_sysfs_init(). The tegra cbb drivers register
themselves before module_kset init, in a pure_initcall. This works
currently because lookup_or_create_module_kobject(), which dereferences
module_kset via kset_find_obj(), is not called if mod_name is not set,
which is the case now.
So in preparation for the commit "driver core: platform: set mod_name in
driver registration", move tegra cbb driver registration to
core_initcall level, and commit "kernel: param: initialize module_kset
in a pure_initcall" will move module_kset init to pure_initcall level,
ensuring module_kset init happens before tegra cbb driver registration.
Suggested-by: Gary Guo <gary@garyguo.net>
Acked-by: Sumit Gupta <sumitg@nvidia.com>
Co-developed-by: Rahul Bukte <rahul.bukte@sony.com>
Signed-off-by: Rahul Bukte <rahul.bukte@sony.com>
Signed-off-by: Shashank Balaji <shashank.mahadasyam@sony.com>
Reviewed-by: Gary Guo <gary@garyguo.net>
Acked-by: Thierry Reding <treding@nvidia.com>
Link: https://patch.msgid.link/20260518-acpi_mod_name-v5-1-705ccc430885@sony.com
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
To clarify that the function operates on child nodes, rename:
devm_thermal_of_cooling_device_register()
|
v
devm_thermal_of_child_cooling_device_register()
Used the command:
find . -type f -name '*.[ch]' -exec \
sed -i 's/devm_thermal_of_cooling_device_register/\
devm_thermal_of_child_cooling_device_register/g' {} \;
Did not used clang-format-diff because it does not indent correctly
and checkpatch complained. Manually reindented to make checkpatch
happy
This prepares for upcoming support of cooling devices identified by
an ID rather than device tree child nodes.
No functional change.
Signed-off-by: Daniel Lezcano <daniel.lezcano@oss.qualcomm.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@kernel.org>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Acked-by: Rafael J. Wysocki (Intel) <rafael@kernel.org>
Link: https://patch.msgid.link/20260526140802.1059293-18-daniel.lezcano@oss.qualcomm.com
The same kconfig 'default' statement appears twice for ASPEED_SOCINFO,
which is unnecessary.
This dead code was found by kconfirm, a static analysis tool for Kconfig.
Signed-off-by: Julian Braha <julianbraha@gmail.com>
Signed-off-by: Andrew Jeffery <andrew@codeconstruct.com.au>
The Tegra238 PMC is largely similar to that found on earlier chips, but
not completely compatible. Add support for the PMC on Tegra238.
Signed-off-by: Prathamesh Shete <pshete@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The Tegra PMC power-off handler exists solely to reboot the Nexus 7 into
a special bootloader mode when a USB cable is connected, so that the
bootloader can display battery status instead of powering off. There is
no reason to register it on any other Tegra board.
Guard the registration behind of_machine_is_compatible("asus,grouper")
and rename the handler to tegra_pmc_grouper_power_off_handler to make
its scope explicit. The of_machine_is_compatible() check inside the
handler itself is now redundant and is removed.
This also avoids occupying SYS_OFF_PRIO_FIRMWARE on boards that have
other handlers at that priority level.
Assisted-by: Claude:claude-sonnet-4-6
Signed-off-by: Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The 'powergate' debugfs node is used to show the state of the powergates
but for some devices the 'num_powergates' is 0 and so it displays
nothing. Therefore, only populate this debugfs entry for devices where
num_powergates is greater than 0.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
None of this legacy code is needed on 64-bit ARM devices, so it can be
moved behind a corresponding preprocessor guard. This more cleanly
separates out the legacy code from code needed on current platforms.
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
All callers of these functions have been replaced by their variants
taking a PMC context as an input, so they are no longer used and can be
removed.
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
For legacy purposes, an early PMC context is needed to support certain
drivers and functionalities. However, when the PMC driver is probed in
the later boot stages, the early context is no longer needed. Allocate
the PMC context dynamically at probe time so that it can be used going
forward.
While at it, rename the early PMC context to more accurately reflect
what it is used for. It's technically not only for early boot stages,
but also to support some code that doesn't have a way of obtaining the
correct context otherwise (e.g. no access to device tree).
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Enable QSEECOM and with that access to UEFI variables on the Surface Pro
12in laptop.
Refactor the Geni Serial-Engine helper code to allow the serial engine
drivers (such as I2C) to operate on targets where power and performance
is controlled through an SCMI server instead of individual resources in
Linux.
Extend the LLCC driver to support reading its data from a System Cache
Table (SCT) in memory instead of being hard coded per platform in the
driver. Also add support for the Eliza platform.
Add support for the Hawi platform to pd-mapper.
Switch the SMEM driver to track partitions using xarray to handle the
ever growing number of hosts better.
Extend the socinfo driver with knowledge about the Nord, SM7750,
IPQ9650, and Shikra SoCs, as well as PMAU0102, PMC1020H, PMIV0102, and
PMIV0104 PMICs.
Define UBWC 3.1 and add a couple of convenient helpers in the UBWC
library for MDSS and Adreno.
Fix a memory leak in the WCNSS firmware download mechanism.
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Merge tag 'qcom-drivers-for-7.2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/drivers
Qualcomm driver updates for v7.2
Enable QSEECOM and with that access to UEFI variables on the Surface Pro
12in laptop.
Refactor the Geni Serial-Engine helper code to allow the serial engine
drivers (such as I2C) to operate on targets where power and performance
is controlled through an SCMI server instead of individual resources in
Linux.
Extend the LLCC driver to support reading its data from a System Cache
Table (SCT) in memory instead of being hard coded per platform in the
driver. Also add support for the Eliza platform.
Add support for the Hawi platform to pd-mapper.
Switch the SMEM driver to track partitions using xarray to handle the
ever growing number of hosts better.
Extend the socinfo driver with knowledge about the Nord, SM7750,
IPQ9650, and Shikra SoCs, as well as PMAU0102, PMC1020H, PMIV0102, and
PMIV0104 PMICs.
Define UBWC 3.1 and add a couple of convenient helpers in the UBWC
library for MDSS and Adreno.
Fix a memory leak in the WCNSS firmware download mechanism.
* tag 'qcom-drivers-for-7.2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (40 commits)
soc: qcom: geni-se: Introduce helper APIs for performance control
soc: qcom: geni-se: Introduce helper API for attaching power domains
soc: qcom: geni-se: Add resources activation/deactivation helpers
soc: qcom: geni-se: Handle core clk in geni_se_clks_off() and geni_se_clks_on()
soc: qcom: geni-se: Introduce helper API for resource initialization
soc: qcom: geni-se: Add geni_icc_set_bw_ab() function
soc: qcom: geni-se: Refactor geni_icc_get() and make qup-memory ICC path optional
soc: qcom: llcc-qcom: Fix NULL vs IS_ERR() bug in qcom_llcc_get_fw_config()
soc: qcom: llcc-qcom: Add support for Eliza
dt-bindings: cache: qcom,llcc: Document Eliza LLCC block
soc: qcom: ubwc: add helper controlling AMSBC enablement
soc: qcom: ubwc: define helper for MDSS and Adreno drivers
soc: qcom: ubwc: define UBWC 3.1
soc: qcom: socinfo: Add SoC ID for Nord SA8797P
dt-bindings: arm: qcom,ids: Add SoC ID for Nord SA8797P
soc: qcom: socinfo: Add SoC ID for SM7750
dt-bindings: arm: qcom,ids: Add SoC ID for SM7750
soc: qcom: socinfo: Add PMIC PMAU0102
soc: qcom: socinfo: Add PMIV0102 & PMIV0104 PMICs
firmware: qcom: scm: Allow QSEECOM on Surface Pro 12in
...
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The above SoCs have a weird register layout for the mailbox registers.
So, encapsulate register offset calculation in a per-SoC callback. Other
than that, only a separate config struct and compatibles are needed.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20260519075620.4128-3-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tegra410 and Tegra241 deprecate the HIDREV register. The recommended
method is to use ARM SMCCC to retrieve the chip ID, major and minor
revisions, and platform information.
Prefer ARM SMCCC when the platform supports it; fall back to HIDREV
otherwise. Behavior on older Tegra SoCs that do not support ARM SMCCC
remains unchanged.
Signed-off-by: Kartik Rajput <kkartik@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Fix CAAM driver probe failures caused by missing SoC information by
retrieving the match data directly through of_machine_get_match_data(),
which provides the correct SoC-specific data.
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Merge tag 'imx-soc-fixes-for-v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/frank.li/linux into arm/fixes
i.MX SoC fixes for v7.1
Fix CAAM driver probe failures caused by missing SoC information by
retrieving the match data directly through of_machine_get_match_data(),
which provides the correct SoC-specific data.
* tag 'imx-soc-fixes-for-v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/frank.li/linux:
soc: imx8m: Fix match data lookup for soc device
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Register nvmem lookups in tegra_fuse_probe(), after the nvmem device has
been registered, since they can only be used after the nvmem device is
registered.
Signed-off-by: Kartik Rajput <kkartik@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Add support for identifying the R-Car M3Le (R8A779MD) SoC.
The Renesas R-Car R8A779MD M3Le SoC is a variant of the already
supported R-Car M3-N SoC with reduced peripherals.
Enable support for the M3Le SoC through already existing ARCH_R8A77965
configuration symbol. PRR reads 0x67c05501.
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Link: https://patch.msgid.link/20260504144534.43745-6-marek.vasut+renesas@mailbox.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Coccinelle (scripts/coccinelle/api/string_choices.cocci) flags an
opportunity to replace the open-coded ternary expression in the probe
dev_info() call:
k3-ringacc.c:1439:3-32: opportunity for
str_enabled_disabled(ringacc->dma_ring_reset_quirk)
Replace the ternary with str_enabled_disabled() and add the required
include for <linux/string_choices.h>.
Reviewed-by: Sai Sree Kartheek Adivi <s-adivi@ti.com>
Reviewed-by: Hari Prasath Gujulan Elango <gehariprasath@ti.com>
Link: https://patch.msgid.link/20260512170623.3174416-12-nm@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
pktdma_get_regs() returns a void __iomem * but uses ERR_PTR() on the
error path, causing sparse to warn about an address space mismatch.
Replace ERR_PTR() with IOMEM_ERR_PTR() to resolve the warning cleanly.
Reviewed-by: Sai Sree Kartheek Adivi <s-adivi@ti.com>
Reviewed-by: Hari Prasath Gujulan Elango <gehariprasath@ti.com>
Link: https://patch.msgid.link/20260512170623.3174416-11-nm@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
smatch warns:
knav_dma.c:390 of_channel_match_helper() warn: unsigned
'args.args[0]' is never less than zero.
of_phandle_args.args[] is uint32_t, so the 'args.args[0] < 0' check
is always false. of_parse_phandle_with_fixed_args() already handles
errors by returning a non-zero code, which is checked immediately
above. Remove the dead check.
Reviewed-by: Sai Sree Kartheek Adivi <s-adivi@ti.com>
Reviewed-by: Hari Prasath Gujulan Elango <gehariprasath@ti.com>
Link: https://patch.msgid.link/20260512170623.3174416-10-nm@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
DMA_PRIO_MASK (GENMASK(3, 0)) is defined alongside the other priority
macros but is never referenced in the code. tx_priority and rx_priority
are only ever assigned DMA_PRIO_DEFAULT (0) and are never sourced from
device tree or user-controlled input, so no out-of-range value is
possible. W=2 builds report:
knav_dma.c:32:9: warning: macro is not used [-Wunused-macros]
32 | #define DMA_PRIO_MASK GENMASK(3, 0)
Remove the dead macro.
Reviewed-by: Sai Sree Kartheek Adivi <s-adivi@ti.com>
Reviewed-by: Hari Prasath Gujulan Elango <gehariprasath@ti.com>
Link: https://patch.msgid.link/20260512170623.3174416-9-nm@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
Fix knav_init_acc_range() use of 'Return ...' instead of 'Return:'
kernel-doc comment, which produces a warning with W=2:
knav_qmss_acc.c:473: No description found for return value of
'knav_init_acc_range'
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Sai Sree Kartheek Adivi <s-adivi@ti.com>
Reviewed-by: Hari Prasath Gujulan Elango <gehariprasath@ti.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://patch.msgid.link/20260512170623.3174416-8-nm@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
Fix several address-space and type annotation issues reported by sparse:
- Change pdsp->command from 'void __iomem *' to 'u32 __iomem *' to
match the other union members (acc_command, qos_command); adjust
the offset in knav_queue_load_pdsp() from +0x18 to +0x6 to
preserve the 24-byte offset.
- Fix knav_queue_pdsp_wait() declaration: correct the parameter
annotation from 'u32 * __iomem' (pointer-in-iomem-space) to
'u32 __iomem *' (pointer-to-iomem); use 'unsigned int' for the
timeout parameter instead of bare 'unsigned'; fix the continuation-
line alignment.
- Use IOMEM_ERR_PTR() in knav_queue_map_reg() instead of ERR_PTR()
when returning an error as void __iomem *.
- Annotate the firmware data array as 'const __be32 *' instead of
'u32 *', as be32_to_cpu() requires __be32 input.
Reviewed-by: Sai Sree Kartheek Adivi <s-adivi@ti.com>
Reviewed-by: Hari Prasath Gujulan Elango <gehariprasath@ti.com>
Link: https://patch.msgid.link/20260512170623.3174416-7-nm@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
Coccinelle (scripts/coccinelle/misc/ptr_err_to_pe.cocci) flags the
dev_err() call in knav_pool_create():
knav_qmss_queue.c:789:9-16: WARNING: Consider using %pe to print
PTR_ERR()
Replace the %ld / PTR_ERR() pair with %pe and pass the error pointer
directly to also print the symbolic error name.
Reviewed-by: Sai Sree Kartheek Adivi <s-adivi@ti.com>
Reviewed-by: Hari Prasath Gujulan Elango <gehariprasath@ti.com>
Link: https://patch.msgid.link/20260512170623.3174416-6-nm@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
Fix functions that use inline 'Returns ...' instead of 'Return:'
kernel-doc comments, producing warnings with W=2:
knav_qmss_queue.c:524: No description found for return value
of 'knav_queue_open'
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Sai Sree Kartheek Adivi <s-adivi@ti.com>
Reviewed-by: Hari Prasath Gujulan Elango <gehariprasath@ti.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://patch.msgid.link/20260512170623.3174416-5-nm@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
knav_dev_lock_held() is a single-use wrapper around
lockdep_is_held(&knav_dev_lock), used only as the lockdep condition
in for_each_handle_rcu. When CONFIG_PROVE_RCU_LIST is disabled,
list_for_each_entry_rcu() elides the condition argument entirely,
causing clang to report the macro as unused with W=2:
knav_qmss_queue.c:30:9: warning: macro is not used [-Wunused-macros]
30 | #define knav_dev_lock_held() \
Remove the intermediate macro and open-code lockdep_is_held() directly
in the for_each_handle_rcu definition.
Reviewed-by: Andrew Davis <afd@ti.com>
Reviewed-by: Sai Sree Kartheek Adivi <s-adivi@ti.com>
Reviewed-by: Hari Prasath Gujulan Elango <gehariprasath@ti.com>
Link: https://patch.msgid.link/20260512170623.3174416-4-nm@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
Building with W=2 (clang, LLVM=1) produces 22 -Wshadow warnings in
knav_qmss_queue.c because the file-scoped singleton 'kdev' is shadowed
by a parameter of the same name in 21 internal functions and one local
variable, e.g.:
knav_qmss_queue.c:194:49: warning: declaration shadows a variable
in the global scope [-Wshadow]
194 | knav_queue_match_id_to_inst(struct knav_device *kdev, unsigned id)
Rename the global singleton from kdev to knav_qdev rather than
renaming all ~21 function parameters, as this requires fewer changes
and leaves function signatures, struct field accesses, and header
macros in knav_qmss.h untouched.
Reviewed-by: Sai Sree Kartheek Adivi <s-adivi@ti.com>
Reviewed-by: Hari Prasath Gujulan Elango <gehariprasath@ti.com>
Link: https://patch.msgid.link/20260512170623.3174416-3-nm@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
Commit 168d2fb780 ("soc: ti: knav_qmss: Remove ENOMEM printks")
removed redundant dev_err() calls after allocation failures in
knav_queue_setup_regions, knav_queue_init_qmgrs and
knav_queue_init_pdsps, but missed three further instances in
knav_pool_create, knav_queue_setup_region and knav_setup_queue_range.
Remove the missed instances.
Reviewed-by: Sai Sree Kartheek Adivi <s-adivi@ti.com>
Reviewed-by: Hari Prasath Gujulan Elango <gehariprasath@ti.com>
Link: https://patch.msgid.link/20260512170623.3174416-2-nm@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
Merge the refactoring and helper functions in the Qualcomm GENI Serial
Engine driver through a topic branch.
These changes will provide the ability to add support managing power and
performance for the GENI instances in platforms where these are
controlled as SCMI resources.
The patches are merged through a topic branch to avoid conflicts with other
changes, while making them available to other subsystems.
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
The GENI Serial Engine (SE) drivers (I2C, SPI, and SERIAL) currently
manage performance levels and operating points directly. This resulting
in code duplication across drivers. such as configuring a specific level
or find and apply an OPP based on a clock frequency.
Introduce two new helper APIs, geni_se_set_perf_level() and
geni_se_set_perf_opp(), addresses this issue by providing a streamlined
method for the GENI Serial Engine (SE) drivers to find and set the OPP
based on the desired performance level, thereby eliminating redundancy.
Signed-off-by: Praveen Talari <praveen.talari@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Tested-by: Mattijs Korpershoek <mkorpershoek@kernel.org>
Link: https://lore.kernel.org/r/20260227061544.1785978-8-praveen.talari@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
