- new driver for the IDT 79RC3243x GPIO controller
- device tree bindings coversion to YAML for the following drivers:
gpio-rk3328-grf, gpio-omap, gpio-davinci, gpio-zynq, gpio-stp, gpio-pcf857x
- cleanup of probe functions in many drivers from Alexandru Ardelean, mostly
dropping unnecessary calls to platform_set_drvdata() and removing error
messages where none are needed (handled by the subsystem already)
- several improvements to the core gpiolib and the sysfs interface code from
Andy Shevchenko
- conversion of the gpio-xilinx driver to using the bitmap API + improvements
of suspend/resume handling + minor tweaks
- convert the gpio-stmpe to using devres helpers exclusively in probe for
improved robustness
- updates for the generic gpio-regmap driver
- updates for the gpio-dwapb driver
- support for a new model in gpio-pca953x
- cleanups in gpio-tegra186, gpio-104-idio-16, gpio-mxs & gpio-xgene
- slight code refactoring of the gpio-zynq driver
- documentation fixes from Mauro Carvalho Chehab
- a bunch of minor tweaks and improvements all over the place
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Merge tag 'gpio-updates-for-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
"One new driver, support for new models in existing ones, dt-bindings
conversions for several modules and improvements all over the place.
Summary:
- new driver for the IDT 79RC3243x GPIO controller
- device tree bindings coversion to YAML for the following drivers:
gpio-rk3328-grf, gpio-omap, gpio-davinci, gpio-zynq, gpio-stp,
gpio-pcf857x
- cleanup of probe functions in many drivers from Alexandru Ardelean,
mostly dropping unnecessary calls to platform_set_drvdata() and
removing error messages where none are needed (handled by the
subsystem already)
- several improvements to the core gpiolib and the sysfs interface
code from Andy Shevchenko
- conversion of the gpio-xilinx driver to using the bitmap API +
improvements of suspend/resume handling + minor tweaks
- convert the gpio-stmpe to using devres helpers exclusively in probe
for improved robustness
- updates for the generic gpio-regmap driver
- updates for the gpio-dwapb driver
- support for a new model in gpio-pca953x
- cleanups in gpio-tegra186, gpio-104-idio-16, gpio-mxs & gpio-xgene
- slight code refactoring of the gpio-zynq driver
- documentation fixes from Mauro Carvalho Chehab
- a bunch of minor tweaks and improvements all over the place"
* tag 'gpio-updates-for-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (57 commits)
docs: driver-api: gpio: using-gpio.rst: avoid using ReST :doc:`foo` markup
dt-bindings: gpio: pcf857x: Convert to json-schema
gpio: mxs: Prefer unsigned int to bare use of unsigned
dt-bindings: gpio: stp: convert to json-schema
dt-bindings: gpio: zynq: convert bindings to YAML
dt-bindings: gpio: gpio-davinci: Convert to json-schema
gpio: pca953x: Add support for the On Semi pca9655
gpio: gpio-xilinx: update on suspend and resume calls
gpio: zynq: Check return value of irq_get_irq_data
gpio: zynq: Check return value of pm_runtime_get_sync
gpio: zynq: use module_platform_driver to simplify the code
gpio: idt3243x: Fix return value check in idt_gpio_probe()
MAINTAINERS: update ti,omap-gpio.yaml reference
dt-bindings: gpio: Add devicetree binding for IDT 79RC32434 GPIO controller
gpio: Add support for IDT 79RC3243x GPIO controller
gpio: regmap: move drvdata to config data
gpio-dwapb: Drop unused headers and sort the rest
gpio: gpio-regmap: Use devm_add_action_or_reset()
gpio: dwapb: Switch to use fwnode_irq_get()
gpio: dwapb: Drop redundant check in dwapb_irq_set_type()
...
Highlights:
- New think-lmi driver adding support for changing BIOS settings from
within Linux using the standard firmware-attributes class sysfs API
- MS Surface aggregator-cdev now also supports forwarding events to
user-space (for debugging / new driver development purposes only)
- New intel_skl_int3472 driver this provides the necessary glue to
translate ACPI table information to GPIOs, regulators, etc. for
camera sensors on Intel devices with IPU3 attached MIPI cameras
- A whole bunch of other fixes + device-specific quirk additions
- New devm_work_autocancel() devm-helpers.h function
Note this also contains merges of the following immutable branches/tags
shared with other subsystems:
- platform-drivers-x86-goodix-v5.14-1
- intel-gpio-v5.14-1
- linux-pm/acpi-scan
- devm-helpers-v5.14-1
The following is an automated git shortlog grouped by driver:
ACPI:
- scan: initialize local variable to avoid garbage being returned
- scan: Add function to fetch dependent of ACPI device
- scan: Extend acpi_walk_dep_device_list()
- scan: Rearrange dep_unmet initialization
Add intel_skl_int3472 driver:
- Add intel_skl_int3472 driver
ISST:
- Use numa node id for cpu pci dev mapping
- Optimize CPU to PCI device mapping
Input:
- goodix - platform/x86: touchscreen_dmi - Move upside down quirks to touchscreen_dmi.c
MAINTAINERS:
- Update IRC link for Surface System Aggregator subsystem
- Update info for telemetry
Merge remote-tracking branch 'linux-pm/acpi-scan' into review-hans:
- Merge remote-tracking branch 'linux-pm/acpi-scan' into review-hans
Merge tag 'devm-helpers-v5.14-1' into review-hans:
- Merge tag 'devm-helpers-v5.14-1' into review-hans
Merge tag 'intel-gpio-v5.14-1' into review-hans:
- Merge tag 'intel-gpio-v5.14-1' into review-hans
Merge tag 'platform-drivers-x86-goodix-v5.14-1' into review-hans:
- Merge tag 'platform-drivers-x86-goodix-v5.14-1' into review-hans
Remove "default n" entries:
- Remove "default n" entries
Rename hp-wireless to wireless-hotkey:
- Rename hp-wireless to wireless-hotkey
asus-nb-wmi:
- Revert "add support for ASUS ROG Zephyrus G14 and G15"
- Revert "Drop duplicate DMI quirk structures"
dcdbas:
- drop unneeded assignment in host_control_smi()
dell-privacy:
- Add support for Dell hardware privacy
dell-wmi:
- Rename dell-wmi.c to dell-wmi-base.c
dell-wmi-sysman:
- Change user experience when Admin/System Password is modified
- fw_attr_inuse can be static
- Use firmware_attributes_class helper
- Make populate_foo_data functions more robust
dell-wmi-sysman/think-lmi:
- Make fw_attr_class global static
devm-helpers:
- Add resource managed version of work init
docs:
- driver-api: Update Surface Aggregator user-space interface documentation
extcon:
- extcon-max8997: Simplify driver using devm
- extcon-max8997: Fix IRQ freeing at error path
- extcon-max77693.c: Fix potential work-queue cancellation race
- extcon-max14577: Fix potential work-queue cancellation race
firmware_attributes_class:
- Create helper file for handling firmware-attributes class registration events
gpio:
- wcove: Split error handling for CTRL and IRQ registers
- wcove: Unify style of to_reg() with to_ireg()
- wcove: Use IRQ hardware number getter instead of direct access
- crystalcove: remove platform_set_drvdata() + cleanup probe
gpiolib:
- acpi: Add acpi_gpio_get_io_resource()
- acpi: Introduce acpi_get_and_request_gpiod() helper
hdaps:
- Constify static attribute_group struct
ideapad-laptop:
- Ignore VPC event bit 10
intel_cht_int33fe:
- Move to its own subfolder
- Correct "displayport" fwnode reference
intel_ips:
- fix set but unused warning in read_mgtv
intel_pmt_crashlog:
- Constify static attribute_group struct
intel_skl_int3472:
- Uninitialized variable in skl_int3472_handle_gpio_resources()
- Move to intel/ subfolder
- Provide skl_int3472_unregister_clock()
- Provide skl_int3472_unregister_regulator()
- Use ACPI GPIO resource directly
- Fix dependencies (drop CLKDEV_LOOKUP)
- Free ACPI device resources after use
mfd:
- tps68470: Remove tps68470 MFD driver
platform/mellanox:
- mlxreg-hotplug: Revert "move to use request_irq by IRQF_NO_AUTOEN flag"
platform/surface:
- aggregator: Use list_move_tail instead of list_del/list_add_tail in ssh_packet_layer.c
- aggregator: Use list_move_tail instead of list_del/list_add_tail in ssh_request_layer.c
- aggregator: Drop unnecessary variable initialization
- aggregator: Do not return uninitialized value
- aggregator_cdev: Add lockdep support
- aggregator_cdev: Allow enabling of events from user-space
- aggregator_cdev: Add support for forwarding events to user-space
- aggregator: Update copyright
- aggregator: Allow enabling of events without notifiers
- aggregator: Allow registering notifiers without enabling events
- dtx: Add missing mutex_destroy() call in failure path
- aggregator: Fix event disable function
- aggregator_registry: Consolidate node groups for 5th- and 6th-gen devices
- aggregator_registry: Add support for 13" Intel Surface Laptop 4
- aggregator_registry: Update comments for 15" AMD Surface Laptop 4
samsung-laptop:
- set debugfs blobs to read only
- use octal numbers for rwx file permissions
tc1100-wmi:
- Constify static attribute_group struct
think-lmi:
- Move kfree(setting->possible_values) to tlmi_attr_setting_release()
- Split current_value to reflect only the value
- Fix issues with duplicate attributes
- Return EINVAL when kbdlang gets set to a 0 length string
- Add missing MODULE_DEVICE_TABLE
- Avoid potential read before start of the buffer
- Fix check for admin password being set
- Add WMI interface support on Lenovo platforms
thinkpad-lmi:
- Remove unused display_name member from struct tlmi_pwd_setting
thinkpad_acpi:
- Add X1 Carbon Gen 9 second fan support
- Fix inconsistent indenting
tools/power/x86/intel-speed-select:
- v1.10 release
- Fix uncore memory frequency display
toshiba_acpi:
- Fix missing error code in toshiba_acpi_setup_keyboard()
toshiba_haps:
- Fix missing newline in pr_debug call in toshiba_haps_notify
touchscreen_dmi:
- Fix Chuwi Hi10 Pro comment
- Add info for the Goodix GT912 panel of TM800A550L tablets
- Add an extra entry for the upside down Goodix touchscreen on Teclast X89 tablets
x86/platform/uv:
- Constify static attribute_group struct
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Merge tag 'platform-drivers-x86-v5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Hans de Goede:
"Highlights:
- New think-lmi driver adding support for changing Lenovo Thinkpad
BIOS settings from within Linux using the standard firmware-
attributes class sysfs API
- MS Surface aggregator-cdev now also supports forwarding events to
user-space (for debugging / new driver development purposes only)
- New intel_skl_int3472 driver this provides the necessary glue to
translate ACPI table information to GPIOs, regulators, etc. for
camera sensors on Intel devices with IPU3 attached MIPI cameras
- A whole bunch of other fixes + device-specific quirk additions
- New devm_work_autocancel() devm-helpers.h function"
* tag 'platform-drivers-x86-v5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (83 commits)
platform/x86: dell-wmi-sysman: Change user experience when Admin/System Password is modified
platform/x86: intel_skl_int3472: Uninitialized variable in skl_int3472_handle_gpio_resources()
platform/x86: think-lmi: Move kfree(setting->possible_values) to tlmi_attr_setting_release()
platform/x86: think-lmi: Split current_value to reflect only the value
platform/x86: think-lmi: Fix issues with duplicate attributes
platform/x86: think-lmi: Return EINVAL when kbdlang gets set to a 0 length string
platform/x86: intel_cht_int33fe: Move to its own subfolder
platform/x86: intel_skl_int3472: Move to intel/ subfolder
platform/x86: intel_skl_int3472: Provide skl_int3472_unregister_clock()
platform/x86: intel_skl_int3472: Provide skl_int3472_unregister_regulator()
platform/x86: intel_skl_int3472: Use ACPI GPIO resource directly
platform/x86: intel_skl_int3472: Fix dependencies (drop CLKDEV_LOOKUP)
platform/x86: intel_skl_int3472: Free ACPI device resources after use
platform/x86: Remove "default n" entries
platform/x86: ISST: Use numa node id for cpu pci dev mapping
platform/x86: ISST: Optimize CPU to PCI device mapping
tools/power/x86/intel-speed-select: v1.10 release
tools/power/x86/intel-speed-select: Fix uncore memory frequency display
extcon: extcon-max8997: Simplify driver using devm
extcon: extcon-max8997: Fix IRQ freeing at error path
...
- Update ACPICA code in the kernel to upstrea revision 20210604
including the following changes:
* Add defines for the CXL Host Bridge Structureand and add the
CFMWS structure definition to CEDT (Alison Schofield).
* iASL: Finish support for the IVRS ACPI table (Bob Moore).
* iASL: Add support for the SVKL table (Bob Moore).
* iASL: Add full support for RGRT ACPI table (Bob Moore).
* iASL: Add support for the BDAT ACPI table (Bob Moore).
* iASL: add disassembler support for PRMT (Erik Kaneda).
* Fix memory leak caused by _CID repair function (Erik Kaneda).
* Add support for PlatformRtMechanism OpRegion (Erik Kaneda).
* Add PRMT module header to facilitate parsing (Erik Kaneda).
* Add _PLD panel positions (Fabian Wüthrich).
* MADT: add Multiprocessor Wakeup Mailbox Structure and the
SVKL table headers (Kuppuswamy Sathyanarayanan).
* Use ACPI_FALLTHROUGH (Wei Ming Chen).
- Add preliminary support for the Platform Runtime Mechanism (PRM)
to allow the AML interpreter to call PRM functions (Erik Kaneda).
- Address some issues related to the handling of device dependencies
reported by _DEP in the ACPI device enumeration code and clean up
some related pieces of it (Rafael Wysocki).
- Improve the tracking of states of ACPI power resources (Rafael
Wysocki).
- Improve ACPI support for suspend-to-idle on AMD systems (Alex
Deucher, Mario Limonciello, Pratik Vishwakarma).
- Continue the unification and cleanup of message printing in the
ACPI code (Hanjun Guo, Heiner Kallweit).
- Fix possible buffer overrun issue with the description_show()
sysfs attribute method (Krzysztof Wilczyński).
- Improve the acpi_mask_gpe kernel command line parameter handling
and clean up the core ACPI code related to sysfs (Andy Shevchenko,
Baokun Li, Clayton Casciato).
- Postpone bringing devices in the general ACPI PM domain to D0
during resume from system-wide suspend until they are really
needed (Dmitry Torokhov).
- Make the ACPI processor driver fix up C-state latency if not
ordered (Mario Limonciello).
- Add support for identifying devices depening on the given one
that are not its direct descendants with the help of _DEP (Daniel
Scally).
- Extend the checks related to ACPI IRQ overrides on x86 in order to
avoid false-positives (Hui Wang).
- Add battery DPTF participant for Intel SoCs (Sumeet Pawnikar).
- Rearrange the ACPI fan driver and device power management code to
use a common list of device IDs (Rafael Wysocki).
- Fix clang CFI violation in the ACPI BGRT table parsing code and
clean it up (Nathan Chancellor).
- Add GPE-related quirks for some laptops to the EC driver (Chris
Chiu, Zhang Rui).
- Make the ACPI PPTT table parsing code populate the cache-id
value if present in the firmware (James Morse).
- Remove redundant clearing of context->ret.pointer from
acpi_run_osc() (Hans de Goede).
- Add missing acpi_put_table() in acpi_init_fpdt() (Jing Xiangfeng).
- Make ACPI APEI handle ARM Processor Error CPER records like
Memory Error ones to avoid user space task lockups (Xiaofei Tan).
- Stop warning about disabled ACPI in APEI (Jon Hunter).
- Fix fall-through warning for Clang in the SBSHC driver (Gustavo A.
R. Silva).
- Add custom DSDT file as Makefile prerequisite (Richard Fitzgerald).
- Initialize local variable to avoid garbage being returned (Colin
Ian King).
- Simplify assorted pieces of code, address assorted coding style
and documentation issues and comment typos (Baokun Li, Christophe
JAILLET, Clayton Casciato, Liu Shixin, Shaokun Zhang, Wei Yongjun,
Yang Li, Zhen Lei).
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Merge tag 'acpi-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These update the ACPICA code in the kernel to the 20210604 upstream
revision, add preliminary support for the Platform Runtime Mechanism
(PRM), address issues related to the handling of device dependencies
in the ACPI device eunmeration code, improve the tracking of ACPI
power resource states, improve the ACPI support for suspend-to-idle on
AMD systems, continue the unification of message printing in the ACPI
code, address assorted issues and clean up the code in a number of
places.
Specifics:
- Update ACPICA code in the kernel to upstrea revision 20210604
including the following changes:
- Add defines for the CXL Host Bridge Structureand and add the
CFMWS structure definition to CEDT (Alison Schofield).
- iASL: Finish support for the IVRS ACPI table (Bob Moore).
- iASL: Add support for the SVKL table (Bob Moore).
- iASL: Add full support for RGRT ACPI table (Bob Moore).
- iASL: Add support for the BDAT ACPI table (Bob Moore).
- iASL: add disassembler support for PRMT (Erik Kaneda).
- Fix memory leak caused by _CID repair function (Erik Kaneda).
- Add support for PlatformRtMechanism OpRegion (Erik Kaneda).
- Add PRMT module header to facilitate parsing (Erik Kaneda).
- Add _PLD panel positions (Fabian Wüthrich).
- MADT: add Multiprocessor Wakeup Mailbox Structure and the SVKL
table headers (Kuppuswamy Sathyanarayanan).
- Use ACPI_FALLTHROUGH (Wei Ming Chen).
- Add preliminary support for the Platform Runtime Mechanism (PRM) to
allow the AML interpreter to call PRM functions (Erik Kaneda).
- Address some issues related to the handling of device dependencies
reported by _DEP in the ACPI device enumeration code and clean up
some related pieces of it (Rafael Wysocki).
- Improve the tracking of states of ACPI power resources (Rafael
Wysocki).
- Improve ACPI support for suspend-to-idle on AMD systems (Alex
Deucher, Mario Limonciello, Pratik Vishwakarma).
- Continue the unification and cleanup of message printing in the
ACPI code (Hanjun Guo, Heiner Kallweit).
- Fix possible buffer overrun issue with the description_show() sysfs
attribute method (Krzysztof Wilczyński).
- Improve the acpi_mask_gpe kernel command line parameter handling
and clean up the core ACPI code related to sysfs (Andy Shevchenko,
Baokun Li, Clayton Casciato).
- Postpone bringing devices in the general ACPI PM domain to D0
during resume from system-wide suspend until they are really needed
(Dmitry Torokhov).
- Make the ACPI processor driver fix up C-state latency if not
ordered (Mario Limonciello).
- Add support for identifying devices depening on the given one that
are not its direct descendants with the help of _DEP (Daniel
Scally).
- Extend the checks related to ACPI IRQ overrides on x86 in order to
avoid false-positives (Hui Wang).
- Add battery DPTF participant for Intel SoCs (Sumeet Pawnikar).
- Rearrange the ACPI fan driver and device power management code to
use a common list of device IDs (Rafael Wysocki).
- Fix clang CFI violation in the ACPI BGRT table parsing code and
clean it up (Nathan Chancellor).
- Add GPE-related quirks for some laptops to the EC driver (Chris
Chiu, Zhang Rui).
- Make the ACPI PPTT table parsing code populate the cache-id value
if present in the firmware (James Morse).
- Remove redundant clearing of context->ret.pointer from
acpi_run_osc() (Hans de Goede).
- Add missing acpi_put_table() in acpi_init_fpdt() (Jing Xiangfeng).
- Make ACPI APEI handle ARM Processor Error CPER records like Memory
Error ones to avoid user space task lockups (Xiaofei Tan).
- Stop warning about disabled ACPI in APEI (Jon Hunter).
- Fix fall-through warning for Clang in the SBSHC driver (Gustavo A.
R. Silva).
- Add custom DSDT file as Makefile prerequisite (Richard Fitzgerald).
- Initialize local variable to avoid garbage being returned (Colin
Ian King).
- Simplify assorted pieces of code, address assorted coding style and
documentation issues and comment typos (Baokun Li, Christophe
JAILLET, Clayton Casciato, Liu Shixin, Shaokun Zhang, Wei Yongjun,
Yang Li, Zhen Lei)"
* tag 'acpi-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (97 commits)
ACPI: PM: postpone bringing devices to D0 unless we need them
ACPI: tables: Add custom DSDT file as makefile prerequisite
ACPI: bgrt: Use sysfs_emit
ACPI: bgrt: Fix CFI violation
ACPI: EC: trust DSDT GPE for certain HP laptop
ACPI: scan: Simplify acpi_table_events_fn()
ACPI: PM: Adjust behavior for field problems on AMD systems
ACPI: PM: s2idle: Add support for new Microsoft UUID
ACPI: PM: s2idle: Add support for multiple func mask
ACPI: PM: s2idle: Refactor common code
ACPI: PM: s2idle: Use correct revision id
ACPI: sysfs: Remove tailing return statement in void function
ACPI: sysfs: Use __ATTR_RO() and __ATTR_RW() macros
ACPI: sysfs: Sort headers alphabetically
ACPI: sysfs: Refactor param_get_trace_state() to drop dead code
ACPI: sysfs: Unify pattern of memory allocations
ACPI: sysfs: Allow bitmap list to be supplied to acpi_mask_gpe
ACPI: sysfs: Make sparse happy about address space in use
ACPI: scan: Fix race related to dropping dependencies
ACPI: scan: Reorganize acpi_device_add()
...
Fix checkpatch warnings:
WARNING: Prefer 'unsigned int' to bare use of 'unsigned'
Signed-off-by: Jinchao Wang <wjc@cdjrlc.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Both of these drivers use ioport_map(), so they need to
depend on HAS_IOPORT_MAP. Otherwise, they cannot be built
even with COMPILE_TEST on architectures without an ioport
implementation, such as ARCH=um.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
When userspace requests a GPIO v1 line info changed event,
lineinfo_watch_read() populates and returns the gpioline_info_changed
structure. It contains 5 words of padding at the end which are not
initialized before being returned to userspace.
Zero the structure in gpio_v2_line_info_change_to_v1() before populating
its contents.
Fixes: aad955842d ("gpiolib: cdev: support GPIO_V2_GET_LINEINFO_IOCTL and GPIO_V2_GET_LINEINFO_WATCH_IOCTL")
Signed-off-by: Gabriel Knezek <gabeknez@linux.microsoft.com>
Reviewed-by: Kent Gibson <warthog618@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
A disabled/masked interrupt marked as wakeup source must be re-enable
and unmasked in order to be able to wake-up the host. That can be done
by flaging the irqchip with IRQCHIP_ENABLE_WAKEUP_ON_SUSPEND.
Note: It 'sometimes' works without that change, but only thanks to the
lazy generic interrupt disabling (keeping interrupt unmasked).
Reported-by: Michal Koziel <michal.koziel@emlogic.no>
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
This driver only covered one scenario in which ACPI devices with _HID
INT3472 are found, and its functionality has been taken over by the
intel-skl-int3472 module, so remove it.
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Scally <djrscally@gmail.com>
Link: https://lore.kernel.org/r/20210603224007.120560-7-djrscally@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The On Semi pca9655 is a 16 bit variant of the On Semi pca9654 GPIO
expander, with 16 GPIOs and interrupt functionality.
Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
[Bartosz: fixed indentation as noted by Andy]
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
* Export two functions from GPIO ACPI for wider use
* Clean up Whiskey Cove and Crystal Cove GPIO drivers
The following is an automated git shortlog grouped by driver:
crystalcove:
- remove platform_set_drvdata() + cleanup probe
gpiolib:
- acpi: Add acpi_gpio_get_io_resource()
- acpi: Introduce acpi_get_and_request_gpiod() helper
wcove:
- Split error handling for CTRL and IRQ registers
- Unify style of to_reg() with to_ireg()
- Use IRQ hardware number getter instead of direct access
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Merge tag 'intel-gpio-v5.14-1' into review-hans
intel-gpio for v5.14-1
* Export two functions from GPIO ACPI for wider use
* Clean up Whiskey Cove and Crystal Cove GPIO drivers
The following is an automated git shortlog grouped by driver:
crystalcove:
- remove platform_set_drvdata() + cleanup probe
gpiolib:
- acpi: Add acpi_gpio_get_io_resource()
- acpi: Introduce acpi_get_and_request_gpiod() helper
wcove:
- Split error handling for CTRL and IRQ registers
- Unify style of to_reg() with to_ireg()
- Use IRQ hardware number getter instead of direct access
Current AXI GPIO driver checking for interrupt data in suspend and
resume path and reporting as error in case of no interrupt connection.
As per AXI GPIO IP specification interrupt connection is optional,
driver logic is updated in suspend and resume calls by reporting
debug message and enable/disable clock in case of no connection.
Signed-off-by: Srinivas Neeli <srinivas.neeli@xilinx.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
In two different instances the return value of "irq_get_irq_data"
API was neither captured nor checked.
Fixed it by capturing the return value and then checking for any error.
Addresses-Coverity: "returned_null"
Signed-off-by: Srinivas Neeli <srinivas.neeli@xilinx.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Return value of "pm_runtime_get_sync" API was neither captured nor checked.
Fixed it by capturing the return value and then checking for any warning.
Addresses-Coverity: "check_return"
Signed-off-by: Srinivas Neeli <srinivas.neeli@xilinx.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
In case of error, the function devm_platform_ioremap_resource_byname()
returns ERR_PTR() and never returns NULL. The NULL test in the return
value check should be replaced with IS_ERR().
Fixes: 4195926aed ("gpio: Add support for IDT 79RC3243x GPIO controller")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The acpi_walk_dep_device_list() function is not as generic as its
name implies, serving only to decrement the dependency count for each
dependent device of the input.
Extend it to accept a callback which can be applied to all the
dependencies in acpi_dep_list.
Replace all existing calls to the function with calls to a wrapper,
passing a callback that applies the same dependency reduction.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Maximilian Luz <luzmaximilian@gmail.com> # for platform/surface parts
Signed-off-by: Daniel Scally <djrscally@gmail.com>
[ rjw: Changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
IDT 79RC3243x SoCs integrated a gpio controller, which handles up
to 32 gpios. All gpios could be used as an interrupt source.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Drop gpio_regmap_set_drvdata() and instead add it to the configuration
data passed to gpio_regmap_register().
gpio_regmap_set_drvdata() can't really be used in a race free way. This
is because the gpio_regmap object which is needed by _set_drvdata() is
returned by gpio_regmap_register(). On the other hand, the callbacks
which use the drvdata might already be called right after the
gpiochip_add() call in gpio_regmap_register(). Therefore, we have to
provide the drvdata early before we call gpiochip_add().
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Slightly simplify the devm_gpio_regmap_register() by using the
devm_add_action_or_reset().
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Michael Walle <michael@walle.cc>
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Add a function to verify that a given ACPI resource represents a GpioIo()
type of resource, and return it if so.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Daniel Scally <djrscally@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
We need to be able to translate GPIO resources in an ACPI device's _CRS
into GPIO descriptor array. Those are represented in _CRS as a pathname
to a GPIO device plus the pin's index number: the acpi_get_gpiod()
function is perfect for that purpose.
As it's currently only used internally within the GPIO layer, provide and
export a wrapper function that additionally holds a reference to the GPIO
device.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Daniel Scally <djrscally@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
We have open coded variant of fwnode_irq_get() in dwapb_get_irq().
Replace it with a simple call.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
For more than 15 years we may not get into ->irq_set_type()
without any meaningful type provided.
Drop redundant check in dwapb_irq_set_type().
See the commit e76de9f8eb ("[PATCH] genirq: add SA_TRIGGER support")
out of curiosity.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Fixed multiple bare uses of 'unsigned' without int.
Reported by checkpatch.
Signed-off-by: Navin Sankar Velliangiri <navin@linumiz.com>
Acked-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Switch to bitmap_alloc() to show clearly what we are allocating.
Besides that it returns pointer of bitmap type instead of opaque void *.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Split fastpath array to two, i.e. for mask and for bits.
At the same time declare them as bitmaps.
This makes code better to read and gives a clue about use of
bitmap API.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
bit-mask for pins 0 to 4 is BIT(0) to BIT(4) however we ended up with BIT(n - 1)
which is not right, and this was caught by below usban check
UBSAN: shift-out-of-bounds in drivers/gpio/gpio-wcd934x.c:34:14
Fixes: 59c3246834 ("gpio: wcd934x: Add support to wcd934x gpio controller")
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The platform_set_drvdata() call is only useful if we need to retrieve back
the private information.
Since the driver doesn't do that, it's not useful to have it.
If this is removed, we can also just do a direct return on
devm_gpiochip_add_data(). We don't need to print that this call failed as
there are other ways to log/see this during probe.
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The platform_set_drvdata() call is only useful if we need to retrieve back
the private information.
Since the driver doesn't do that, it's not useful to have it.
If this is removed, we can also just do a direct return on
devm_gpiochip_add_data(). We don't need to print that this call failed as
there are other ways to log/see this during probe.
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The platform_set_drvdata() call is only useful if we need to retrieve back
the private information.
Since the driver doesn't do that, it's not useful to have it.
If this is removed, we can also just do a direct return on
devm_gpiochip_add_data(). We don't need to print that this call failed as
there are other ways to log/see this during probe.
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The platform_set_drvdata() call is only useful if we need to retrieve back
the private information.
Since the driver doesn't do that, it's not useful to have it.
If this is removed, we can also just do a direct return on
devm_gpiochip_add_data(). We don't need to print that this call failed as
there are other ways to log/see this during probe.
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The platform_set_drvdata() call is only useful if we need to retrieve back
the private information.
Since the driver doesn't do that, it's not useful to have it.
If this is removed, we can also just do a direct return on
devm_gpiochip_add_data(). We don't need to print that this call failed as
there are other ways to log/see this during probe.
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The platform_set_drvdata() call is only useful if we need to retrieve back
the private information.
Since the driver doesn't do that, it's not useful to have it.
If this is removed, we can also just do a direct return on
devm_gpiochip_add_data(). We don't need to print that this call failed as
there are other ways to log/see this during probe.
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The platform_set_drvdata() call is only useful if we need to retrieve back
the private information.
Since the driver doesn't do that, it's not useful to have it.
If this is removed, we can also just do a direct return on
devm_gpiochip_add_data(). We don't need to print that this call failed as
there are other ways to log/see this during probe.
This change isn't removing the 'DT probe failed' message, as some may find
it useful as a reason for the failed probe. But that can be part of another
change if needed.
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The platform_set_drvdata() call is only useful if we need to retrieve back
the private information.
Since the driver doesn't do that, it's not useful to have it.
If this is removed, we can also just do a direct return on
devm_gpiochip_add_data(). We don't need to print that this call failed as
there are other ways to log/see this during probe.
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The platform_set_drvdata() call is only useful if we need to retrieve back
the private information.
Since the driver doesn't do that, it's not useful to have it.
If this is removed, we can also just do a direct return on
devm_gpiochip_add_data(). We don't need to print that this call failed as
there are other ways to log/see this during probe.
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The platform_set_drvdata() call is only useful if we need to retrieve back
the private information.
Since the driver doesn't do that, it's not useful to have it.
If this is removed, we can also just do a direct return on
devm_gpiochip_add_data(). We don't need to print that this call failed as
there are other ways to log/see this during probe.
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The platform_set_drvdata() call is only useful if we need to retrieve back
the private information.
Since the driver doesn't do that, it's not useful to have it.
If this is removed, we can also just do a direct return on
devm_gpiochip_add_data(). We don't need to print that this call failed as
there are other ways to log/see this during probe.
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The platform_set_drvdata() call is only useful if we need to retrieve back
the private information.
Since the driver doesn't do that, it's not useful to have it.
If this is removed, we can also just do a direct return on
devm_gpiochip_add_data(). We don't need to print that this call failed as
there are other ways to log/see this during probe.
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The platform_set_drvdata() call is only useful if we need to retrieve back
the private information.
Since the driver doesn't do that, it's not useful to have it.
If this is removed, we can also just do a direct return on
devm_gpiochip_add_data(). We don't need to print that this call failed as
there are other ways to log/see this during probe.
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The tegra186_gpio_remove hook simply does a return 0.
Not defining it yields pretty much the same result.
So, this can be removed.
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The platform_set_drvdata() call is only useful if we need to retrieve back
the private information.
Since the driver doesn't do that, it's not useful to have it.
If this is removed, we can also just do a direct return on
devm_gpiochip_add_data(). We don't need to print that this call failed as
there are other ways to log/see this during probe
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The handling of the return value from devm_gpiochip_add_data() is a bit
redundant. It prints messages on error and success cases.
While the success message may be useful, it is more in the area of log
spam, and these can be printed with other forms of kernel logging.
This change does a direct return with devm_gpiochip_add_data() in the probe
function.
The platform_set_drvdata() is needed, as this driver uses the stored
private date in the PM suspend/resume routines.
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The platform_set_drvdata() call is only useful if we need to retrieve back
the private information.
Since the driver doesn't do that, it's not useful to have it.
If this is removed, we can also just do a direct return on
devm_gpiochip_add_data(). We don't need to print that this call failed as
there are other ways to log/see this during probe.
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The platform_set_drvdata() call is only useful if we need to retrieve back
the private information.
Since the driver doesn't do that, it's not useful to have it.
If this is removed, we can also just do a direct return on
devm_gpiochip_add_data(). We don't need to print that this call failed as
there are other ways to log/see this during probe.
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The platform_set_drvdata() call is only useful if we need to retrieve back
the private information.
Since the driver doesn't do that, it's not useful to have it.
If this is removed, we can also just do a direct return on
devm_gpiochip_add_data(). We don't need to print that this call failed as
there are other ways to log/see this during probe.
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Linus Torvalds