- container_of:
- Apply typeof_member(), remove the local __mptr variable to eliminate
variable shadowing warnings on nested container_of() calls, and remove
unnecessary parentheses.
- core:
- Add driver name to probe debug print for initcall_debug.
- Avoid repeatedly printing the same 'Fixed dependency cycle' log.
- Unwind device_add() on attribute creation failure in
attribute_container_add_class_device().
- Remove statistics group if encryption group creation fails in
transport_add_class_device().
- debugfs:
- Fix lockdown check for mmap_prepare().
- Warn if file creation failed due to uninitialized debugfs.
- device property:
- Implement fw_devlink support for software nodes by adding
software_node_add_links(), which creates fwnode links from DEV_PROP_REF
properties to enable automatic probe ordering. Add kunit-managed fwnode
helpers and test coverage.
- Fix infinite loop in fwnode_for_each_child_node() when the secondary fwnode
has more than one child. Add test cases.
- Fix out-of-bounds access in software_node_get_reference_args() when called
with index -1 (UINT_MAX).
- Refactor to use RAII approach with __free().
- Add Bartosz Golaszewski as software node reviewer.
- firmware loader:
- Fix race where a sysfs fallback request can complete before being queued as
pending, leading to a use-after-free on the next fallback request.
- Reject 0-size built-in firmware and fail the build on empty firmware files
in CONFIG_EXTRA_FIRMWARE.
- kobject:
- Provide __KOBJ_ATTR() and __KOBJ_ATTR_RO/WO() initialization macros and
allow the constification of kobject attributes, enabling them to reside in
read-only memory.
- platform:
- Provide platform_device_set_of_node(), platform_device_set_fwnode(), and
platform_device_set_of_node_from_dev() helpers that encapsulate firmware
node reference counting for dynamically allocated platform devices. Convert
all in-tree users that manually assigned dev.of_node or dev.fwnode, fixing a
pre-existing refcount bug in powermac. Switch to counting references of all
firmware node types, not only OF nodes.
- Unify the release path for dynamically allocated platform devices by
removing platform_device_release_full(). Amend the fwnode setter API
contract to warn if a primary software node is overwritten. Add KUnit tests
for correct software node removal on device unregistration.
- Rust:
- Auxiliary:
- Add registration_data_with() closure-based API for invariant ForLt types.
- Debugfs:
- Migrate BinaryWriter and BinaryReaderMut trait requirements from
kernel::transmute traits to zerocopy traits.
- Device:
- Add BoundInternal device context and InternalBoundContext trait for bus
abstractions that need internal access to a bound device.
- Make the lifetime on Core and CoreInternal invariant to prevent coercion
to shorter lifetimes.
- Devres:
- Fix race between concurrent revokers where the losing revoker could return
before the winning revoker finished dropping the inner data, causing
use-after-free.
- Ensure revocation is complete before the device finishes unbinding by
making the synchronization bidirectional.
- Add DevresLt<F: ForLt>, a wrapper around Devres that shortens 'static back
to the caller's borrow scope. Implement ForLt and CovariantForLt for Bar,
IoMem, and ExclusiveIoMem.
- Driver:
- Switch from index-based to pointer-based device ID info lookup, storing
static references in driver_data. Centralize device ID handling in
device_id.rs, removing the open-coded ACPI/OF matching logic and duplicate
ID table from driver.rs.
- I/O:
- Make I/O regions typed (with a dynamically-sized Region type for the
existing untyped case), create view types representing subregions of a
mapped I/O region, and add io_project!() for safely creating subviews.
- Split Io into a base trait (IoBase) and an extension trait (Io) with a
blanket implementation, preventing implementers from overriding provided
methods that unsafe code relies on.
- Add a SysMem backend for shared system memory with volatile access, and
make Coherent implement Io via an I/O view type. Add IoSysMap as sum type
of Mmio and SysMem. Add copying methods (memcpy_{from,to}io()) and
read_val()/write_val() for typed access.
- Replace dma_read!()/dma_write!() with io_read!()/io_write!() for
primitives and copying methods for aggregates; drop the old macros.
Convert nova-core to use I/O projection.
- Fix internal shortcut rule dispatch in the register!() macro, remove
unused rule arguments, and use path fragments for alias destinations.
- IRQ:
- Make irq::Registration compatible with lifetime-bound drivers by
removing the 'static bound on Handler/ThreadedHandler and
replacing Devres<RegistrationInner> with direct
request_irq()/free_irq() calls. Handlers can now directly own
lifetime-bound device resources.
- PCI:
- Convert IrqVectorRegistration to a lifetime-annotated owning type,
giving drivers explicit control over the allocation lifetime.
IrqVector embeds a resolved IrqRequest, making the conversion
infallible. Remove the redundant
request_irq()/request_threaded_irq() wrappers from pci::Device.
- Add pci_irq_type() C helper and expose it via irq_type() on
IrqVectorRegistration and IrqVector, returning PCI_IRQ_MSIX, PCI_IRQ_MSI,
or PCI_IRQ_INTX.
- Mark pci::Device refcount methods inline.
- Serdev:
- Add Rust abstractions for the serial device bus, including serdev::Driver
trait, serdev::Device wrapping struct serdev_device, and serdev::Adapter
implementing RegistrationOps. Includes a sample driver. Markus Probst
takes over as serdev maintainer for both C and Rust code.
- Misc:
- Split ForLt into a base trait (providing the Of<'a> GAT) and an unsafe
CovariantForLt subtrait guaranteeing covariance, enabling invariant types
(e.g. those containing Mutex<&'bound T>) to participate in the ForLt
abstraction.
- Fix Coherent read past EOF returning -ERANGE instead of zero.
- Fix firmware example UB by avoiding null-pointer ARef.
- misc:
- Avoid iattr allocation in kernfs listxattr by using kernfs_iattrs_noalloc().
- Unregister SoC bus on early device registration failure.
- Remove unused DMA_FENCE_TRACE Kconfig symbol.
- Fix /sys/module path in comment.
- Refactor ISA bus init to remove nested blocks.
- Remove redundant nodemask clears in numa_init().
- Add kernel-doc for fwnode_operations and sys_soc.h, mark internal property
data as private for kernel-doc, and add property.h/fwnode.h to driver-api
infrastructure docs.
- Add MAINTAINERS entry for sys_soc.h.
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Merge tag 'driver-core-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core
Pull driver core updates from Danilo Krummrich:
"container_of:
- Apply typeof_member(), remove the local __mptr variable to
eliminate variable shadowing warnings on nested container_of()
calls, and remove unnecessary parentheses
core:
- Add driver name to probe debug print for initcall_debug
- Avoid repeatedly printing the same 'Fixed dependency cycle' log
- Unwind device_add() on attribute creation failure in
attribute_container_add_class_device()
- Remove statistics group if encryption group creation fails in
transport_add_class_device()
debugfs:
- Fix lockdown check for mmap_prepare()
- Warn if file creation failed due to uninitialized debugfs
device property:
- Implement fw_devlink support for software nodes by adding
software_node_add_links(), which creates fwnode links from
DEV_PROP_REF properties to enable automatic probe ordering. Add
kunit-managed fwnode helpers and test coverage
- Fix infinite loop in fwnode_for_each_child_node() when the
secondary fwnode has more than one child. Add test cases
- Fix out-of-bounds access in software_node_get_reference_args() when
called with index -1 (UINT_MAX)
- Refactor to use RAII approach with __free()
- Add Bartosz Golaszewski as software node reviewer
firmware loader:
- Fix race where a sysfs fallback request can complete before being
queued as pending, leading to a use-after-free on the next fallback
request
- Reject 0-size built-in firmware and fail the build on empty
firmware files in CONFIG_EXTRA_FIRMWARE
kobject:
- Provide __KOBJ_ATTR() and __KOBJ_ATTR_RO/WO() initialization macros
and allow the constification of kobject attributes, enabling them
to reside in read-only memory
platform:
- Provide platform_device_set_of_node(), platform_device_set_fwnode(),
and platform_device_set_of_node_from_dev() helpers that encapsulate
firmware node reference counting for dynamically allocated platform
devices
Convert all in-tree users that manually assigned dev.of_node or
dev.fwnode, fixing a pre-existing refcount bug in powermac. Switch
to counting references of all firmware node types, not only OF
nodes
- Unify the release path for dynamically allocated platform devices
by removing platform_device_release_full(). Amend the fwnode setter
API contract to warn if a primary software node is overwritten. Add
KUnit tests for correct software node removal on device
unregistration
Rust:
- Auxiliary:
- Add registration_data_with() closure-based API for invariant
ForLt types
- Debugfs:
- Migrate BinaryWriter and BinaryReaderMut trait requirements
from kernel::transmute traits to zerocopy traits
- Device:
- Add BoundInternal device context and InternalBoundContext trait
for bus abstractions that need internal access to a bound
device.
- Make the lifetime on Core and CoreInternal invariant to prevent
coercion to shorter lifetimes
- Devres:
- Fix race between concurrent revokers where the losing revoker
could return before the winning revoker finished dropping the
inner data, causing use-after-free.
- Ensure revocation is complete before the device finishes
unbinding by making the synchronization bidirectional.
- Add DevresLt<F: ForLt>, a wrapper around Devres that shortens
'static back to the caller's borrow scope. Implement ForLt and
CovariantForLt for Bar, IoMem, and ExclusiveIoMem
- Driver:
- Switch from index-based to pointer-based device ID info lookup,
storing static references in driver_data. Centralize device ID
handling in device_id.rs, removing the open-coded ACPI/OF
matching logic and duplicate ID table from driver.rs
- I/O:
- Make I/O regions typed (with a dynamically-sized Region type
for the existing untyped case), create view types representing
subregions of a mapped I/O region, and add io_project!() for
safely creating subviews.
- Split Io into a base trait (IoBase) and an extension trait (Io)
with a blanket implementation, preventing implementers from
overriding provided methods that unsafe code relies on.
- Add a SysMem backend for shared system memory with volatile
access, and make Coherent implement Io via an I/O view type.
Add IoSysMap as sum type of Mmio and SysMem. Add copying
methods (memcpy_{from,to}io()) and read_val()/write_val() for
typed access.
- Replace dma_read!()/dma_write!() with io_read!()/io_write!()
for primitives and copying methods for aggregates; drop the old
macros. Convert nova-core to use I/O projection.
- Fix internal shortcut rule dispatch in the register!() macro,
remove unused rule arguments, and use path fragments for alias
destinations
- IRQ:
- Make irq::Registration compatible with lifetime-bound drivers
by removing the 'static bound on Handler/ThreadedHandler and
replacing Devres<RegistrationInner> with direct
request_irq()/free_irq() calls. Handlers can now directly own
lifetime-bound device resources
- PCI:
- Convert IrqVectorRegistration to a lifetime-annotated owning
type, giving drivers explicit control over the allocation
lifetime. IrqVector embeds a resolved IrqRequest, making the
conversion infallible. Remove the redundant
request_irq()/request_threaded_irq() wrappers from pci::Device.
- Add pci_irq_type() C helper and expose it via irq_type() on
IrqVectorRegistration and IrqVector, returning PCI_IRQ_MSIX,
PCI_IRQ_MSI, or PCI_IRQ_INTX.
- Mark pci::Device refcount methods inline
- Serdev:
- Add Rust abstractions for the serial device bus, including
serdev::Driver trait, serdev::Device wrapping struct
serdev_device, and serdev::Adapter implementing
RegistrationOps. Includes a sample driver. Markus Probst takes
over as serdev maintainer for both C and Rust code
- Misc:
- Split ForLt into a base trait (providing the Of<'a> GAT) and an
unsafe CovariantForLt subtrait guaranteeing covariance,
enabling invariant types (e.g. those containing Mutex<&'bound T>)
to participate in the ForLt abstraction.
- Fix Coherent read past EOF returning -ERANGE instead of zero.
- Fix firmware example UB by avoiding null-pointer ARef
misc:
- Avoid iattr allocation in kernfs listxattr by using
kernfs_iattrs_noalloc().
- Unregister SoC bus on early device registration failure.
- Remove unused DMA_FENCE_TRACE Kconfig symbol.
- Fix /sys/module path in comment.
- Refactor ISA bus init to remove nested blocks.
- Remove redundant nodemask clears in numa_init().
- Add kernel-doc for fwnode_operations and sys_soc.h, mark
internal property data as private for kernel-doc, and add
property.h/fwnode.h to driver-api infrastructure docs.
- Add MAINTAINERS entry for sys_soc.h"
* tag 'driver-core-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core: (129 commits)
rust: pci: expose the allocated interrupt type
PCI: Add pci_irq_type() to query the allocated interrupt type
rust: pci: remove request_irq() and request_threaded_irq() from Device
rust: pci: resolve IRQ in index() and embed IrqRequest in IrqVector
rust: pci: convert IrqVectorRegistration to a lifetime-managed owning type
kernfs: avoid iattr allocation in listxattr
rust: serdev: use ThisModule::as_ptr() instead of field access
ACPI/IORT: use platform_device_set_fwnode()
ACPI/APMT: use platform_device_set_fwnode()
firmware_loader: do not queue completed sysfs fallback requests
rust: pci: Mark Device refcount methods inline
rust: irq: make Registration compatible with lifetime-bound drivers
rust: net/phy: remove expansion from doc
rust: dma: return zero for Coherent reads past EOF
rust: io: register: use path fragment for alias destination
rust: io: register: remove unused rule arguments
rust: io: register: dispatch shortcut rules internally
MAINTAINERS: add sys_soc.h to DRIVER CORE
rust: debugfs: remove unsafe blocks from traits impl for Vec
rust: debugfs: migrate debugfs traits requirements to zerocopy
...
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Merge tag 'v7.2-rc7' into driver-core-next
We need the driver-core fixes in here as well to build on top of.
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
These are the remaining patches for legacy gpio interface
cleanup, ensuring that files referencing them are sure to
have CONFIG_GPIOLIB_LEGACY set, and use linux/gpio/legacy.h
instead of the old linux/gpio.h header.
There are a few more patches already merged in other
branches for 7.3, including soc, led, net and media. Once
everything is in, we can apply the final patches to turn
off CONFIG_GPIOLIB_LEGACY by default and remove the obsolete
header file.
This branch is based on the immutable ib-mfd-legacy-gpio-7.3
branch from mfd.git to avoid a conflict in the rohm drivers.
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Merge tag 'config-gpio-legacy-for-7.3' of https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground into gpio/for-next
gpio: legacy interface cleanups for 7.3
These are the remaining patches for legacy gpio interface
cleanup, ensuring that files referencing them are sure to
have CONFIG_GPIOLIB_LEGACY set, and use linux/gpio/legacy.h
instead of the old linux/gpio.h header.
There are a few more patches already merged in other
branches for 7.3, including soc, led, net and media. Once
everything is in, we can apply the final patches to turn
off CONFIG_GPIOLIB_LEGACY by default and remove the obsolete
header file.
This branch is based on the immutable ib-mfd-legacy-gpio-7.3
branch from mfd.git to avoid a conflict in the rohm drivers.
linux/gpio.h should no longer be used, convert these instead to
either linux/gpio/consumer.h or linux/gpio/legacy.h as needed.
Acked-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Refactor the rohm-bd7182x7 MFD driver to use software nodes for
instantiating the gpio-keys child device, replacing the old
platform_data mechanism.
The power key's properties are now defined using software nodes and
property entries. The IRQ is passed as a resource attached to the
platform device.
This will allow dropping support for using platform data for configuring
gpio-keys in the future.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Link: https://patch.msgid.link/20260611-rohm-software-nodes-v5-2-0244664a3b65@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
Refactor the rohm-bd71828 MFD driver to use software nodes for
instantiating the gpio-keys child device, replacing the old
platform_data mechanism.
The power key's properties are now defined using software nodes and
property entries. The IRQ is passed as a resource attached to the
platform device.
This will allow dropping support for using platform data for configuring
gpio-keys in the future.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Link: https://patch.msgid.link/20260611-rohm-software-nodes-v5-1-0244664a3b65@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
Ahead of reworking the reference counting logic for platform devices,
encapsulate the assignment of the OF node for dynamically allocated
platform devices with the provided helper.
Acked-by: Lee Jones <lee@kernel.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260706-pdev-fwnode-ref-v3-12-1ff028e33779@oss.qualcomm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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>
- New Support & Features
- Renesas RSMU: Add support for the IDT 8a34002 Clock Matrix
- Samsung S2MU005: Add support for the Samsung S2MU005 PMIC which includes charger,
MUIC, flash and RGB LED controllers
- SpacemiT P1: Add a reboot cell for the SpacemiT P1 chip
- Texas Instruments BQ25792: Add support for the TI BQ25792 charger manager
- Improvements & Fixes
- Core: Unify the user-visible company name to "Qualcomm" across various config
options
- ChromeOS EC: Delay `dev_set_drvdata()` until the probe process has successfully
completed to avoid use-after-free issues
- ChromeOS EC: Prevent adding `cros_ec_ucsi` as an MFD sub-device if it is already
defined in Device Tree or ACPI
- Cirrus Logic CS42L43: Add a sanity check for firmware size to prevent out-of-bounds
memory access during firmware loading
- Cirrus Logic CS5535: Associate the GPIO cell with a dedicated software node to
support board files requesting GPIOs
- Maxim MAX77620: Modernize poweroff handling by converting to the sys-off API
- Qualcomm RPM: Add the missing QDSS clock resource for the MSM8960 SoC
- Renesas RSMU: Fix page register setup for the 8A3400x family by correctly
calculating the page address
- Renesas RZ/MTU3: Make the reset line optional to support newer SoC variants (RZ/T2H,
RZ/N2H)
- Renesas RZ/MTU3: Modernize the driver by using device-managed APIs for reset control
and device addition
- Samsung Core: Set the coherent DMA mask to zero for the Samsung PMIC device to
suppress unnecessary "DMA mask not set" messages
- Silicon Motion SM501: Fix a reference leak on failed device registration by properly
dropping the platform device reference
- Texas Instruments TPS65219: Make poweroff handler registration conditional on the
"system-power-controller" Device Tree property
- Texas Instruments TPS6586x: Fix Device Tree node reference counting by manually
bumping the refcount for sub-devices
- Texas Instruments TPS65910: Add return value checking for the dummy I2C transfer
used to work around silicon erratum SWCZ010
- Texas Instruments TWL4030: Update board-specific checks to use Device Tree
compatibles instead of legacy machine IDs
- Cleanups & Refactoring
- Core: Consistently define `pci_device_id` arrays using named initializers across
various Intel and Silicon Motion drivers
- Maintainers: Shift maintenance of Samsung PMIC drivers to André Draszik
- Maxim MAX77759: Improve code style by reformatting the IRQ table and refining macro
comments
- MEN MENF21BMC / Texas Instruments TWL: Correctly treat `i2c_check_functionality()`
as returning a boolean status
- Rohm BD72720: Drop the non-existent BUCK11 ID to improve code clarity
- Silicon Labs Si476x: Fix various spelling mistakes in driver comments
- Spreadtrum SC27xx: Transition to `devm_mfd_add_devices()` and separate MFD cell
tables for each PMIC model
- Timberdale: Move GPIO pin definitions into the driver and transition to using a
software node for the GPIO cell
- Wolfson WM8994: Remove dead legacy-GPIO code and its associated `irq_gpio` member
- Device Tree Binding Updates
- Aspeed AST2x00: Document the AST2700 SCU0 and add support for its SoC0/SoC1 pin
controllers
- Hisilicon Hi655x: Convert the Hi655x PMIC binding from text format to YAML DT schema
- Khadas MCU: Add a new compatible and fan-supply property for the Khadas VIM4 MCU
- MediaTek MT6397: Add support for the MT6365 PMIC and document regulator supplies for
the MT6359 variant
- Qualcomm TCSR: Add compatibles for Nord and IPQ5210 TCSR blocks
- Renesas RZ/G3L: Revert the addition of the `renesas,r9a08g046-lvds-cmn` compatible
string due to documentation errors
- Samsung S2MU005: Document the S2MU005 PMIC and its sub-devices (charger, MUIC,
flash and RGB LEDs)
- Spreadtrum SC2731: Include regulator bindings for the SC2730 variant
- STMPE: Fix the schema by marking 'compatible' and '#pwm-cells' as required for the
PWM subnode
- Texas Instruments BQ257xx: Expand the BQ25703A binding to include the BQ25792
variant
- Removals
- Motorola EZX PCAP: Remove the unused and non-functional driver for Motorola EZX
phones
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Merge tag 'mfd-next-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Support & Features:
- Renesas RSMU: Add support for the IDT 8a34002 Clock Matrix
- Samsung S2MU005: Add support for the Samsung S2MU005 PMIC which
includes charger, MUIC, flash and RGB LED controllers
- SpacemiT P1: Add a reboot cell for the SpacemiT P1 chip
- Texas Instruments BQ25792: Add support for the TI BQ25792 charger
manager
Improvements & Fixes:
- Core: Unify the user-visible company name to "Qualcomm" across
various config options
- ChromeOS EC:
- Delay `dev_set_drvdata()` until the probe process has
successfully completed to avoid use-after-free issues
- Prevent adding `cros_ec_ucsi` as an MFD sub-device if it is
already defined in Device Tree or ACPI
- Cirrus Logic CS42L43: Add a sanity check for firmware size to
prevent out-of-bounds memory access during firmware loading
- Cirrus Logic CS5535: Associate the GPIO cell with a dedicated
software node to support board files requesting GPIOs
- Maxim MAX77620: Modernize poweroff handling by converting to the
sys-off API
- Qualcomm RPM: Add the missing QDSS clock resource for the MSM8960
SoC
- Renesas RSMU: Fix page register setup for the 8A3400x family by
correctly calculating the page address
- Renesas RZ/MTU3:
- Make the reset line optional to support newer SoC variants
(RZ/T2H, RZ/N2H)
- Modernize the driver by using device-managed APIs for reset
control and device addition
- Samsung Core: Set the coherent DMA mask to zero for the Samsung
PMIC device to suppress unnecessary "DMA mask not set" messages
- Silicon Motion SM501: Fix a reference leak on failed device
registration by properly dropping the platform device reference
- Texas Instruments:
- TPS65219: Make poweroff handler registration conditional on the
"system-power-controller" Device Tree property
- TPS6586x: Fix Device Tree node reference counting by manually
bumping the refcount for sub-devices
- TPS65910: Add return value checking for the dummy I2C transfer
used to work around silicon erratum SWCZ010
- TWL4030: Update board-specific checks to use Device Tree
compatibles instead of legacy machine IDs
Cleanups & Refactoring:
- Core: Consistently define `pci_device_id` arrays using named
initializers across various Intel and Silicon Motion drivers
- Maintainers: Shift maintenance of Samsung PMIC drivers to André
Draszik
- Maxim MAX77759: Improve code style by reformatting the IRQ table
and refining macro comments
- MEN MENF21BMC / Texas Instruments TWL: Correctly treat
`i2c_check_functionality()` as returning a boolean status
- Rohm BD72720: Drop the non-existent BUCK11 ID to improve code
clarity
- Silicon Labs Si476x: Fix various spelling mistakes in driver
comments
- Spreadtrum SC27xx: Transition to `devm_mfd_add_devices()` and
separate MFD cell tables for each PMIC model
- Timberdale: Move GPIO pin definitions into the driver and
transition to using a software node for the GPIO cell
- Wolfson WM8994: Remove dead legacy-GPIO code and its associated
`irq_gpio` member
Device Tree Binding Updates:
- Aspeed AST2x00: Document the AST2700 SCU0 and add support for its
SoC0/SoC1 pin controllers
- Hisilicon Hi655x: Convert the Hi655x PMIC binding from text format
to YAML DT schema
- Khadas MCU: Add a new compatible and fan-supply property for the
Khadas VIM4 MCU
- MediaTek MT6397: Add support for the MT6365 PMIC and document
regulator supplies for the MT6359 variant
- Qualcomm TCSR: Add compatibles for Nord and IPQ5210 TCSR blocks
- Renesas RZ/G3L: Revert the addition of the
`renesas,r9a08g046-lvds-cmn` compatible string due to documentation
errors
- Samsung S2MU005: Document the S2MU005 PMIC and its sub-devices
(charger, MUIC, flash and RGB LEDs)
- Spreadtrum SC2731: Include regulator bindings for the SC2730
variant
- STMPE: Fix the schema by marking 'compatible' and '#pwm-cells' as
required for the PWM subnode
- Texas Instruments BQ257xx: Expand the BQ25703A binding to include
the BQ25792 variant
Removals:
- Motorola EZX PCAP: Remove the unused and non-functional driver for
Motorola EZX phones"
* tag 'mfd-next-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (47 commits)
dt-bindings: mfd: syscon: Revert renesas,r9a08g046-lvds-cmn
dt-bindings: mfd: st,stmpe: Add missing properties for PWM subnode
mfd: rz-mtu3: Make reset optional
mfd: rz-mtu3: Store &pdev->dev in local variable
mfd: rz-mtu3: Use local variable for reset
mfd: rz-mtu3: Use device-managed APIs
dt-bindings: mfd: aspeed,ast2x00-scu: Support AST2700 SoC1 pinctrl
mfd: tps6586x: Fix OF node refcount
dt-bindings: mfd: sprd,sc2731: Include SC2730 regulator bindings
mfd: twl4030-power: Update checks for specific boards to use the DT
dt-bindings: mfd: qcom,tcsr: Document the IPQ5210 TCSR block
mfd: qcom_rpm: Add msm8960 QDSS clock resource
mfd: si476x-i2c: Fix spelling mistakes in comments
mfd: max77620: Convert poweroff support to sys-off API
mfd: dt-bindings: mt6397: Add regulator supplies
dt-bindings: mfd: mediatek: mt6397: Add MT6365 PMIC support
dt-bindings: mfd: mediatek: mt6397: Add rtc for MT6359
mfd: cs42l43: Sanity check firmware size
mfd: qcom: Unify user-visible "Qualcomm" name
mfd: cros_ec: Delay dev_set_drvdata() until probe success
...
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
...
The Renesas RZ/T2H (R9A09G077) and RZ/N2H (R9A09G087) SoCs do not have a
reset line for the MTU3 block.
Prepare for them by making it optional.
Signed-off-by: Cosmin Tanislav <cosmin-gabriel.tanislav.xa@renesas.com>
Link: https://patch.msgid.link/20260527145606.136536-5-cosmin-gabriel.tanislav.xa@renesas.com
Signed-off-by: Lee Jones <lee@kernel.org>
Replace devm_reset_control_get_exclusive() and the manual
reset_control_deassert()/reset_control_assert() with handling by
devm_reset_control_get_exclusive_deasserted().
Replace mfd_add_devices()/mfd_remove_devices() with
devm_mfd_add_devices().
Remove the custom cleanup action.
Signed-off-by: Cosmin Tanislav <cosmin-gabriel.tanislav.xa@renesas.com>
Link: https://patch.msgid.link/20260527145606.136536-2-cosmin-gabriel.tanislav.xa@renesas.com
Signed-off-by: Lee Jones <lee@kernel.org>
Platform devices created with platform_device_alloc() call
platform_device_release() when the last reference to the device's
kobject is dropped. This function calls of_node_put() unconditionally.
This works fine for devices created with platform_device_register_full()
but users of the split approach (platform_device_alloc() +
platform_device_add()) must bump the reference of the of_node they
assign manually. Add the missing call to of_node_get().
Cc: stable@vger.kernel.org
Fixes: 62f6b08793 ("tps6586x: Add device tree support")
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260521-pdev-fwnode-ref-v1-1-88c324a1b8d2@oss.qualcomm.com
Signed-off-by: Lee Jones <lee@kernel.org>
The twl4030-power driver contains two checks for ARM machine IDs via
machine_is_*() macros. The two boards concerned now support only FDT
booting, which does not use machine IDs, and therefore the code should
be updated to check the DT compatible property instead.
The legacy board files for these machines were removed in
commit 1b383f44aa ("ARM: OMAP2+: Drop board file for 3430sdp") and
commit e92fc4f04a ("ARM: OMAP2+: Drop legacy board file for LDP").
The presence of these machine ID checks prevents the removal of machine
IDs no longer used by the kernel from arch/arm/tools/mach-types,
because the machine_is_*() macros are generated from mach-types. To
resolve this issue, use of_machine_is_compatible() instead.
Signed-off-by: Ethan Nelson-Moore <enelsonmoore@gmail.com>
Link: https://patch.msgid.link/20260517023723.92731-2-enelsonmoore@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
The msm8960 RPM resource table is missing the QDSS clock entry (resource
ID 209) that is present in the android-msm-mako-3.4 downstream kernel.
Add it so that RPM clock initialization succeeds.
Tested-by: Rudraksha Gupta <guptarud@gmail.com>
Signed-off-by: Antony Kurniawan Soemardi <linux@smankusors.com>
Link: https://patch.msgid.link/20260514-msm8960-wifi-v2-3-7cbae45dab5e@smankusors.com
Signed-off-by: Lee Jones <lee@kernel.org>
Convert max77620_pm_power_off() to the sys-off callback prototype and
register it with the sys-off API when the device tree marks the PMIC as
a system power controller. This also removes the global max77620_scratch
pointer by passing the chip instance through the callback data.
This modernizes the driver's poweroff handling and aligns it with
the kernel sys-off infrastructure.
Signed-off-by: Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>
Link: https://patch.msgid.link/20260514-smaug-poweroff-v1-2-30f9a4688966@tecnico.ulisboa.pt
Signed-off-by: Lee Jones <lee@kernel.org>
Currently the code checks if a firmware was received, however it does
not verify that the firmware size is larger than the firmware header. As
the firmware pointer is dereferenced as a pointer to the header
structure this could lead to an out of bounds memory access. Add the
missing check.
Fixes: ace6d14481 ("mfd: cs42l43: Add support for cs42l43 core driver")
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20260508134804.1787461-1-ckeepax@opensource.cirrus.com
Signed-off-by: Lee Jones <lee@kernel.org>
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>
Acked-by: Guru Das Srinagesh <linux@gurudas.dev>
Link: https://patch.msgid.link/20260427070109.18271-2-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Lee Jones <lee@kernel.org>
If ec_device_probe() fails, cros_ec_class_release releases memory for the
cros_ec_dev structure. However, because the drvdata was already set,
sub-drivers like cros_ec_typec can still retrieve the stale pointer via the
platform device. This leads to a use-after-free when cros_ec_typec attempts
to access &typec->ec->ec->dev on a device that has already been released.
Move dev_set_drvdata() to ensure that the pointer is only made available
once all initialization steps have succeeded.
sysfs: cannot create duplicate filename '/class/chromeos/cros_ec'
Call trace:
sysfs_do_create_link_sd+0x94/0xdc
sysfs_create_link+0x30/0x44
device_add_class_symlinks+0x90/0x13c
device_add+0xf0/0x50c
ec_device_probe+0x150/0x4f0
platform_probe+0xa0/0xe0
...
BUG: KASAN: invalid-access in __memcpy+0x44/0x230
Write at addr f5ffff809e2d33ac by task kworker/u32:5/125
Pointer tag: [f5], memory tag: [fe]
Tainted : [W]=WARN, [O]=OOT_MODULE
Hardware name: Google Navi unprovisioned 0x7FFFFFFF/sku0 board/sku3
Workqueue: events_unbound deferred_probe_work_func
Call trace:
__memcpy+0x44/0x230
cros_ec_check_features+0x60/0xcc [cros_ec_proto]
cros_typec_probe+0xe8/0x6e0 [cros_ec_typec]
platform_probe+0xa0/0xe0
Cc: stable@vger.kernel.org
Fixes: 1c1d152cc5 ("platform/chrome: cros_ec_dev - utilize new cdev_device_add helper function")
Co-developed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Signed-off-by: Andrei Kuchynski <akuchynski@chromium.org>
Reviewed-by: Benson Leung <bleung@chromium.org>
Link: https://patch.msgid.link/20260427131721.1165078-1-akuchynski@chromium.org
Signed-off-by: Lee Jones <lee@kernel.org>
Support for the Motorola EZX phones based on Intel PXA processors was
removed in 2022, but this driver remained present in the tree. As far
as I can tell, the support was never quite functional upstream because
the board files did not actually instantiate the SPI device for the PCAP.
There are still also drivers for the various mfd cells: keys, touchscreen,
regulator and rtc, all of which are obviously orphaned as well but can
be removed separately as the Kconfig dependency now prevents them from
being enabled.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202604301209.f1YXTsIr-lkp@intel.com/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Acked-by: Harald Welte <laforge@gnumonks.org>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260430162855.2029285-1-arnd@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
i2c_check_functionality() returns a boolean status rather than an error
code - directly use it as a boolean value.
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Link: https://patch.msgid.link/20260505114543.159381-2-thorsten.blum@linux.dev
Signed-off-by: Lee Jones <lee@kernel.org>
Inline the i2c_check_functionality() check, since the function returns a
boolean status rather than an error code.
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Link: https://patch.msgid.link/20260428165800.590496-3-thorsten.blum@linux.dev
Signed-off-by: Lee Jones <lee@kernel.org>
Improve code style. This includes the following:
- Formatting the max77759_chgr_irqs entries to fit in a single line
instead of breaking them into multiple lines to improve readability.
- Refactoring comments such that they're full sentences and have
punctuation marks for a couple of macro definitions to adhere to the
documentation style.
- Explicitly initializing `MAX77759_CHGR_MODE_OFF`.
Signed-off-by: Amit Sunil Dhamne <amitsd@google.com>
Link: https://patch.msgid.link/20260504-fix-mfd-max77759-driver-v1-1-4d4a31a1d214@google.com
Signed-off-by: Lee Jones <lee@kernel.org>
The old-style gpio handling in wm8994 came from a commit 7c8844481a
("mfd: wm8994: Emulate level triggered interrupts if required") in
linux-3.11, but nothing in the kernel ever set the 'irq_gpio' member
in the wm8994_pdata structure, so this was always dead code.
Remove it now to reduce the dependency on the legacy gpio interfaces.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Link: https://patch.msgid.link/20260427143437.3059210-1-arnd@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
There are board files in-tree that want to request GPIOs from this chip.
They currently rely on the GPIO core's mechanism of matching software
nodes' labels against GPIO controller names. We want to remove this
behavior from the kernel and to this end, we need to associate the
referenced GPIO controller with its target software node.
Create a dedicated GPIO software node for cs5535, assign it to the GPIO
cell and expose its address in a new header.
We only expose a single software node instance but that's alright: all
existing hardware only contains a single cs5535 companion and the geode
board file for which we expose this is legacy anyway.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260429-cs5535-swnode-v1-1-2bc5e17ddcf9@oss.qualcomm.com
Signed-off-by: Lee Jones <lee@kernel.org>
The various struct pci_device_id arrays were initialized mostly by one
of the PCI_DEVICE macros and then list expressions. The latter isn't
easily readable if you're not into PCI. Using named initializers is more
explicit and thus easier to parse.
The secret plan is to make struct pci_device_id::driver_data an
anonymous union (similar to
https://lore.kernel.org/all/cover.1776579304.git.u.kleine-koenig@baylibre.com/)
and that requires named initializers. But it's also a nice cleanup on
its own.
This change doesn't introduce changes to the compiled pci_device_id
arrays. Tested on x86 and arm64.
Signed-off-by: Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com>
Link: https://patch.msgid.link/20260429170652.4178050-2-u.kleine-koenig@baylibre.com
Signed-off-by: Lee Jones <lee@kernel.org>
On devices with a UCSI PPM in the EC, check for cros_ec_ucsi to be
defined in the OF device tree or an ACPI node. If it is defined by
either OF or ACPI, it does not need to be added as a subdevice of
cros_ec_dev mfd. cros_ec_ucsi will load from the OF or ACPI node.
Signed-off-by: Jameson Thies <jthies@google.com>
Reviewed-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Link: https://patch.msgid.link/20260403222253.1888991-2-jthies@google.com
Signed-off-by: Lee Jones <lee@kernel.org>
When platform_device_register() fails in sm501_register_device(), the
embedded struct device in pdev has already been initialized by
device_initialize(), but the failure path only reports the error and
returns without dropping the device reference for the current platform
device:
sm501_register_device()
-> platform_device_register(pdev)
-> device_initialize(&pdev->dev)
-> setup_pdev_dma_masks(pdev)
-> platform_device_add(pdev)
This leads to a reference leak when platform_device_register() fails.
Fix this by calling platform_device_put() before returning the error.
The issue was identified by a static analysis tool I developed and
confirmed by manual review.
Fixes: b6d6454fdb ("[PATCH] mfd: SM501 core driver")
Cc: stable@vger.kernel.org
Signed-off-by: Guangshuo Li <lgs201920130244@gmail.com>
Link: https://patch.msgid.link/20260415162627.3558789-1-lgs201920130244@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
Add register definitions and a new 'type' enum to be passed via MFD
private data to support the BQ25792, which is a newer variant of the
BQ257xx family.
BQ25792 shares similar logic of operation with the already supported
BQ25703A but has a completely different register map and different
electrical constraints.
Signed-off-by: Alexey Charkov <alchark@flipper.net>
Tested-by: Chris Morgan <macromorgan@hotmail.com>
Link: https://patch.msgid.link/20260331-bq25792-v6-9-0278fba33eb9@flipper.net
Signed-off-by: Lee Jones <lee@kernel.org>
Add a "spacemit-p1-reboot" cell for the SpacemiT P1 chip.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Reviewed-by: Troy Mitchell <troy.mitchell@linux.spacemit.com>
Tested-by: Vincent Legoll <legoll@online.fr> # OrangePi-RV2
Link: https://patch.msgid.link/20251102230352.914421-3-aurelien@aurel32.net
Signed-off-by: Lee Jones <lee@kernel.org>
To allow instantiating subdevices such as the regulator and poweroff
devices that do not have corresponding device tree nodes with a
"compatible" property, use devm_mfd_add_devices() with MFD cells instead
of devm_of_platform_populate(). Since different PMICs in the SC27xx
series contain different components, use separate MFD cell tables for
each PMIC model. Define cells for all components that have upstream
drivers at this point.
Signed-off-by: Otto Pflüger <otto.pflueger@abscue.de>
Link: https://patch.msgid.link/20260329-sc27xx-mfd-cells-v3-3-9158dee41f74@abscue.de
Signed-off-by: Lee Jones <lee@kernel.org>
Currently, the TPS65219 driver unconditionally registers a poweroff
handler. This causes issues on systems where a different component
(such as TF-A firmware) should handle system poweroff instead.
Make the poweroff handler registration conditional based on the
"system-power-controller" device tree property. This follows the
standard kernel pattern where only the designated power controller
registers for system poweroff operations.
On systems where the property is absent, the PMIC will not register
a poweroff handler, allowing other poweroff mechanisms to function.
Signed-off-by: Akashdeep Kaur <a-kaur@ti.com>
Link: https://patch.msgid.link/20260401112257.1248437-3-a-kaur@ti.com
Signed-off-by: Lee Jones <lee@kernel.org>
In tps65910_i2c_probe(), a dummy I2C transfer is performed to work
around silicon erratum SWCZ010. However, the return value of
i2c_master_send() is not checked.
If this dummy transfer fails, the driver continues execution without
detecting the error. This may lead to subsequent I2C operations also
failing, but the driver would incorrectly report success.
Add proper return value checking for the dummy I2C transfer. If the
transfer fails, log the error and return an appropriate error code
to the caller.
Signed-off-by: Wenyuan Li <2063309626@qq.com>
Link: https://patch.msgid.link/tencent_01102156392EC89EDF2CA22A7C8B4ABB2509@qq.com
Signed-off-by: Lee Jones <lee@kernel.org>
Kernel logs are filled with "DMA mask not set" messages for every
sub-device. The device does not use DMA for communication, so these
messages are useless. Disable the coherent DMA mask for the PMIC device,
which is also propagated to sub-devices.
Signed-off-by: Kaustabh Chakraborty <kauschluss@disroot.org>
Link: https://patch.msgid.link/20260516-s2mu005-pmic-v7-5-73f9702fb461@disroot.org
Signed-off-by: Lee Jones <lee@kernel.org>
Samsung's S2MU005 PMIC includes subdevices for a charger, an MUIC (Micro
USB Interface Controller), and flash and RGB LED controllers.
S2MU005's interrupt registers divided into three domains, each for the
charger, flash LEDs, and the MUIC, packed into a single regmap IRQ chip
construct.
In devices other than S2MPG1X, the revision can be retrieved from the
first register of the PMIC regmap. In S2MU005 however, the location is
in offset 0x73. Introduce a switch-case block to allow selecting the
REG_ID register. S2MU005 also has a field mask for the revision. Apply
it using FIELD_GET() and get the extracted value.
Add initial support for S2MU005 in the PMIC driver, along with its three
interrupt chips, and support for allowing to fetch revision based on the
device variant.
Co-developed-by: Łukasz Lebiedziński <kernel@lvkasz.us>
Signed-off-by: Łukasz Lebiedziński <kernel@lvkasz.us>
Signed-off-by: Kaustabh Chakraborty <kauschluss@disroot.org>
Link: https://patch.msgid.link/20260516-s2mu005-pmic-v7-4-73f9702fb461@disroot.org
Signed-off-by: Lee Jones <lee@kernel.org>
Replace the embedded `struct acpm_ops` inside `struct acpm_handle` with
a pointer to a `const struct acpm_ops`.
Previously, the operations structure was embedded directly within the
handle and populated dynamically at runtime via `acpm_setup_ops()`.
This resulted in mutable function pointers and unnecessary per-instance
memory overhead.
By defining `exynos_acpm_driver_ops` statically as a `const` structure,
the function pointers are now safely housed in the read-only `.rodata`
section. This improves security by preventing function pointer
overwrites, saves memory, and slightly reduces initialization overhead
in `acpm_probe()`.
Consequently, update all consumer drivers (clk, mfd) to access the
operations via the new pointer indirection (`->ops->`). Finally, fix
the previously empty kernel-doc description for the ops member to
reflect its new pointer nature.
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Reviewed-by: Peter Griffin <peter.griffin@linaro.org>
Link: https://patch.msgid.link/20260515-acpm-tmu-helpers-v2-4-8ca011d5a965@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
With no more users, we can remove timb_gpio.h.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Link: https://patch.msgid.link/20260327-gpio-timberdale-swnode-v3-4-9a1bc1b2b124@oss.qualcomm.com
Signed-off-by: Lee Jones <lee@kernel.org>
Using generic device properties instead of custom platform data
structures is preferred due to the resulting unification of the way
properties are accessed in consumer drivers. There's no DT node for the
GPIO cell in this driver but we can create a software node with device
properties and attach it to all the GPIO cells.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Link: https://patch.msgid.link/20260327-gpio-timberdale-swnode-v3-2-9a1bc1b2b124@oss.qualcomm.com
Signed-off-by: Lee Jones <lee@kernel.org>
This symbol is only used inside the Timberdale MFD driver. Move into
the .c file as there's no need for it to be exposed in a header.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20260327-gpio-timberdale-swnode-v3-1-9a1bc1b2b124@oss.qualcomm.com
Signed-off-by: Lee Jones <lee@kernel.org>
* Core:
* Add a resource-managed version of alloc_workqueue() (`devm_alloc_workqueue()`)
* Apple SMC:
* Wire up the Apple SMC power driver by adding a new MFD cell
* Broadcom BCM2835 PM:
* Add support for the BCM2712 power management device
* Introduce a hardware type identifier to distinguish SoC variants
* Intel LPSS:
* Add PCI IDs for the Intel Nova Lake-H platform
* Core:
* Preserve the Open Firmware (OF) node when an ACPI handle is present
* Atmel HLCDC:
* Fetch the LVDS PLL clock as a fallback if the generic sys_clk is unavailable
* EZX PCAP:
* Avoid rescheduling after destroying the workqueue by switching to a device-managed workqueue
* Freescale MC13xxx:
* Fix a memory leak in subdevice platform data allocation by using devm_kmemdup()
* Intel LPC ICH:
* Expose a software node for the GPIO controller cell to fix GPIO lookups
* MediaTek MT6397:
* Correct the hardware CIDs for the MT6328, MT6331, and MT6332 PMICs to allow proper driver
binding
* ROHM BD71828:
* Enable system wakeup via the power button
* STMicroelectronics STPMIC1:
* Attempt system shutdown a second time to handle transient I2C communication failures
* Congatec CGBC, KEMPLD, RSMU, Si476x:
* Fix various kernel-doc warnings and correct struct member names
* DLN2:
* Drop redundant USB device references and switch to managed resource allocations
* Update bare 'unsigned' types to 'unsigned int'
* ENE KB3930:
* Use the of_device_is_system_power_controller() wrapper
* EZX PCAP:
* Drop redundant memory allocation error messages
* Return directly instead of using empty goto statements
* Maxim MAX77705:
* Make the max77705_pm_ops variable static to resolve a sparse warning
* Viperboard:
* Drop redundant USB device references
* SpacemiT P1:
* Drop the deprecated "vin-supply" property from the devicetree bindings
* SpacemiT P1:
* Add individual regulator supply properties to match actual hardware topology
* Maxim MAX77620:
* Convert devicetree bindings from TXT to YAML format
* Document an optional I2C address for the MAX77663 RTC device
* ROHM BD72720:
* Add a new compatible string for the ROHM BD73900 PMIC
* Freescale i.MX25 TSADC:
* Convert devicetree bindings from TXT to YAML format
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Merge tag 'mfd-next-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Core:
- Add a resource-managed version of alloc_workqueue()
(`devm_alloc_workqueue()`)
- Preserve the Open Firmware (OF) node when an ACPI handle
is present
Apple SMC:
- Wire up the Apple SMC power driver by adding a new MFD cell
Atmel HLCDC:
- Fetch the LVDS PLL clock as a fallback if the generic sys_clk
is unavailable
Broadcom BCM2835 PM:
- Add support for the BCM2712 power management device
- Introduce a hardware type identifier to distinguish SoC variants
Congatec CGBC, KEMPLD, RSMU, Si476x:
- Fix various kernel-doc warnings and correct struct member names
DLN2:
- Drop redundant USB device references and switch to managed
resource allocations
- Update bare 'unsigned' types to 'unsigned int'
ENE KB3930:
- Use the of_device_is_system_power_controller() wrapper
EZX PCAP:
- Avoid rescheduling after destroying the workqueue by switching
to a device-managed workqueue
- Drop redundant memory allocation error messages
- Return directly instead of using empty goto statements
Freescale i.MX25 TSADC:
- Convert devicetree bindings from TXT to YAML format
Freescale MC13xxx:
- Fix a memory leak in subdevice platform data allocation by
using devm_kmemdup()
Intel LPC ICH:
- Expose a software node for the GPIO controller cell to fix
GPIO lookups
Intel LPSS:
- Add PCI IDs for the Intel Nova Lake-H platform
Maxim MAX77620:
- Convert devicetree bindings from TXT to YAML format
- Document an optional I2C address for the MAX77663 RTC device
Maxim MAX77705:
- Make the max77705_pm_ops variable static to resolve a
sparse warning
MediaTek MT6397:
- Correct the hardware CIDs for the MT6328, MT6331, and MT6332
PMICs to allow proper driver binding
ROHM BD71828:
- Enable system wakeup via the power button
ROHM BD72720:
- Add a new compatible string for the ROHM BD73900 PMIC
SpacemiT P1:
- Drop the deprecated "vin-supply" property from the devicetree
bindings
- Add individual regulator supply properties to match actual
hardware topology
STMicroelectronics STPMIC1:
- Attempt system shutdown a second time to handle transient I2C
communication failures
Viperboard:
- Drop redundant USB device references"
* tag 'mfd-next-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (28 commits)
mfd: core: Preserve OF node when ACPI handle is present
mfd: ene-kb3930: Use of_device_is_system_power_controller() wrapper
mfd: intel-lpss: Add Intel Nova Lake-H PCI IDs
dt-bindings: mfd: max77620: Document optional RTC address for MAX77663
dt-bindings: mfd: max77620: Convert to DT schema
mfd: ezx-pcap: Avoid rescheduling after destroying workqueue
mfd: ezx-pcap: Return directly instead of empty gotos
mfd: ezx-pcap: Drop memory allocation error message
mfd: bcm2835-pm: Add BCM2712 PM device support
mfd: bcm2835-pm: Introduce SoC-specific type identifier
dt-bindings: mfd: bd72720: Add ROHM BD73900
mfd: si476x: Fix kernel-doc warnings
mfd: rsmu: Remove a empty kernel-doc line
mfd: kempld: Fix kernel-doc struct member names
mfd: congatec: Fix kernel-doc struct member names
dt-bindings: mfd: Convert fsl-imx25-tsadc.txt to yaml format
mfd: viperboard: Drop redundant device reference
mfd: dln2: Switch to managed resources and fix bare unsigned types
mfd: macsmc: Wire up Apple SMC power driver
mfd: mt6397: Properly fix CID of MT6328, MT6331 and MT6332
...
Here is the big set of USB and Thunderbolt changes for 7.1-rc1.
Lots of little things in here, nothing major, just constant
improvements, updates, and new features. Highlights are:
- new USB power supply driver support (will cause merge conflicts in
drivers/power/supply/Makefile, but it's a simple fix) These changes
did touch outside of drivers/usb/ but got acks from the relevant
mantainers for them.
- dts file updates and conversions
- string function conversions into "safer" ones
- new device quirks
- xhci driver updates
- usb gadget driver minor fixes
- typec driver additions and updates
- small number of thunderbolt driver changes
- dwc3 driver updates and additions of new hardware support
- other minor driver updates
All of these have been in the linux-next tree for a while with no
reported issues
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt updates from Greg KH:
"Here is the big set of USB and Thunderbolt changes for 7.1-rc1.
Lots of little things in here, nothing major, just constant
improvements, updates, and new features. Highlights are:
- new USB power supply driver support.
These changes did touch outside of drivers/usb/ but got acks from
the relevant mantainers for them.
- dts file updates and conversions
- string function conversions into "safer" ones
- new device quirks
- xhci driver updates
- usb gadget driver minor fixes
- typec driver additions and updates
- small number of thunderbolt driver changes
- dwc3 driver updates and additions of new hardware support
- other minor driver updates
All of these have been in the linux-next tree for a while with no
reported issues"
* tag 'usb-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (176 commits)
usb: dwc3: starfive: Add JHB100 USB 2.0 DRD controller
dt-bindings: usb: dwc3: add support for StarFive JHB100
dt-bindings: usb: atmel,at91sam9rl-udc: convert to DT schema
dt-bindings: usb: atmel,at91rm9200-udc: convert to DT schema
dt-bindings: usb: generic-ehci: fix schema structure and add at91sam9g45 constraints
dt-bindings: usb: generic-ohci: add AT91RM9200 OHCI binding support
arm: dts: at91: remove unused #address-cells/#size-cells from sam9x60 udc node
drivers/usb/host: Fix spelling error 'seperate' -> 'separate'
usbip: tools: add hint when no exported devices are found
USB: serial: iuu_phoenix: fix iuutool author name
usb: gadget: f_ncm: validate minimum block_len in ncm_unwrap_ntb()
usb: gadget: f_phonet: fix skb frags[] overflow in pn_rx_complete()
usb: gadget: f_hid: Add missing error code
usb: typec: cros_ec_ucsi: Load driver from OF and ACPI definitions
dt-bindings: chrome: Add cros-ec-ucsi compatibility to typec binding
USB: of: Simplify with scoped for each OF child loop
usbip: validate number_of_packets in usbip_pack_ret_submit()
usb: gadget: renesas_usb3: validate endpoint index in standard request handlers
usb: core: config: reverse the size check of the SSP isoc endpoint descriptor
usb: typec: ucsi: Set usb mode on partner change
...
The driver updates again are all over the place with many minor fixes
going into platform specific code. The most notable changes are:
- Support for Microchip pic64gx system controllers
- Work on cleaning up devicetree bindings for SoC drivers, and
converting them into the new format
- Lots of smaller changes for Qualcomm SoC drivers, including support
for a number of newly supported chips
- reset controller API cleanups and a new driver for Cix Sky1
- Reworks of the Tegra PMC and CBB drivers, along with a change
to how individual Tegra SoCs get selected in Kconfig and
BPMP firmware driver updates including a refresh of the ABI
header to match the version used by firmware
- STM32 updates to the firewall bus driver and support for
the debug bus through OP-TEE
- SCMI firmware driver improvements for reliability, in particular
for dealing with broken firmware interrupts
- Memory driver updates for Tegra, and a patch to remove the
unused Baikal T1 driver
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Merge tag 'soc-drivers-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC driver updates from Arnd Bergmann:
"The driver updates again are all over the place with many minor fixes
going into platform specific code. The most notable changes are:
- Support for Microchip pic64gx system controllers
- Work on cleaning up devicetree bindings for SoC drivers, and
converting them into the new format
- Lots of smaller changes for Qualcomm SoC drivers, including support
for a number of newly supported chips
- reset controller API cleanups and a new driver for Cix Sky1
- Reworks of the Tegra PMC and CBB drivers, along with a change to
how individual Tegra SoCs get selected in Kconfig and BPMP firmware
driver updates including a refresh of the ABI header to match the
version used by firmware
- STM32 updates to the firewall bus driver and support for the debug
bus through OP-TEE
- SCMI firmware driver improvements for reliability, in particular
for dealing with broken firmware interrupts
- Memory driver updates for Tegra, and a patch to remove the unused
Baikal T1 driver"
* tag 'soc-drivers-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (193 commits)
firmware: arm_ffa: Use the correct buffer size during RXTX_MAP
firmware: qcom: scm: Allow QSEECOM on Lenovo IdeaCentre Mini X
clk: spear: fix resource leak in clk_register_vco_pll()
reset: rzv2h-usb2phy: Add support for VBUS mux controller registration
reset: rzv2h-usb2phy: Convert to regmap API
dt-bindings: reset: renesas,rzv2h-usb2phy: Document RZ/G3E USB2PHY reset
dt-bindings: reset: renesas,rzv2h-usb2phy: Add '#mux-state-cells' property
soc: microchip: add mpfs gpio interrupt mux driver
dt-bindings: soc: microchip: document PolarFire SoC's gpio interrupt mux
gpio: mpfs: Add interrupt support
soc: qcom: ubwc: add helpers to get programmable values
soc: qcom: ubwc: add helper to get min_acc length
firmware: qcom: scm: Register gunyah watchdog device
soc: qcom: socinfo: Add SoC ID for SA8650P
dt-bindings: arm: qcom,ids: Add SoC ID for SA8650P
firmware: qcom: scm: Allow QSEECOM on Mahua CRD
soc: qcom: wcnss: simplify allocation of req
soc: qcom: pd-mapper: Add support for Eliza
soc: qcom: aoss: compare against normalized cooling state
soc: qcom: llcc: fix v1 SB syndrome register offset
...
Switch device_set_node to set_primary_fwnode, so that the ACPI fwnode
does not overwrite the of_node with NULL.
This allows MFD children with both OF nodes and ACPI handles to have OF
nodes again.
Cc: stable@vger.kernel.org
Fixes: 51e3b25709 ("mfd: core: Make use of device_set_node()")
Signed-off-by: Brian Mak <makb@juniper.net>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20260325223024.35992-1-makb@juniper.net
Signed-off-by: Lee Jones <lee@kernel.org>
