| Commit message (Collapse) | Author | Age | Files | Lines |
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Add ACPI ID for Wildcat Lake.
Signed-off-by: Srinivas Pandruvada <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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Using a string variable in place of a format string causes a W=1 build warning:
drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.c:61:40: error: format string is not a string literal (potentially insecure) [-Werror,-Wformat-security]
61 | length += sysfs_emit_at(buf, length, agent_name[agent]);
| ^~~~~~~~~~~~~~~~~
Use the safer "%s" format string to print it instead.
Fixes: b98fa870fce2 ("platform/x86/intel-uncore-freq: Add attributes to show agent types")
Signed-off-by: Arnd Bergmann <[email protected]>
Tested-by: Srinivas Pandruvada <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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Add Panther Lake support to Intel PMC SSRAM Telemetry driver.
Signed-off-by: Xi Pardee <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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Add Lunar Lake support to Intel PMC SSRAM Telemetry driver.
Signed-off-by: Xi Pardee <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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Return -ENOMEM instead of success if kcalloc() fails.
Fixes: e37be5d85c60 ("platform/x86/intel: power-domains: Add interface to get Linux die ID")
Signed-off-by: Dan Carpenter <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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Address a Smatch static checker warning regarding an unchecked
dereference in the function call:
set_cdie_id(i, cluster_info, plat_info)
when plat_info is NULL.
Instead of addressing this one case, in general if plat_info is NULL
then it can cause other issues. For example in a two package system it
will give warning for duplicate sysfs entry as package ID will be always
zero for both packages when creating string for attribute group name.
plat_info is derived from TPMI ID TPMI_BUS_INFO, which is integral to
the core TPMI design. Therefore, it should not be NULL on a production
platform. Consequently, the module should fail to load if plat_info is
NULL.
Reported-by: Dan Carpenter <[email protected]>
Closes: https://lore.kernel.org/platform-driver-x86/[email protected]/T/#u
Fixes: 8a54e2253e4c ("platform/x86/intel-uncore-freq: Uncore frequency control via TPMI")
Signed-off-by: Srinivas Pandruvada <[email protected]>
Cc: [email protected]
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform drivers updates from Ilpo Järvinen:
"The changes are mostly business as usual. Besides pdx86 changes, there
are a few power supply changes needed for related pdx86 features, move
of oxpec driver from hwmon (oxp-sensors) to pdx86, and one FW version
warning to hid-asus.
Highlights:
- alienware-wmi-wmax:
- Add HWMON support
- Add ABI and admin-guide documentation
- Expose GPIO debug methods through debug FS
- Support manual fan control and "custom" thermal profile
- amd/hsmp:
- Add sysfs files to show HSMP telemetry
- Report power readings and limits via hwmon
- amd/isp4: Add AMD ISP platform config for OV05C10
- asus-wmi:
- Refactor Ally suspend/resume to work better with older FW
- hid-asus: check ROG Ally MCU version and warn about old FW versions
- dasharo-acpi:
- Add driver for Dasharo devices supporting fans and temperatures
monitoring
- dell-ddv:
- Expose the battery health and manufacture date to userspace
using power supply extensions
- Implement the battery matching algorithm
- dell-pc:
- Improve error propagation
- Use faux device
- int3472:
- Add delays to avoid GPIO regulator spikes
- Add handshake pin support
- Make regulator supply name configurable and allow registering
more than 1 GPIO regulator
- Map mt9m114 powerdown pin to powerenable
- intel/pmc: Add separate SSRAM Telemetry driver
- intel-uncore-freq: Add attributes to show agent types and die ID
- ISST:
- Support SST-TF revision 2 (allows more cores per bucket)
- Support SST-PP revision 2 (fabric 1 frequencies)
- Remove unnecessary SST MSRs restore (the package retains MSRs
despite CPU offlining)
- mellanox: Add support for SN2201, SN4280, SN5610, and SN5640
- mellanox: mlxbf-pmc: Support additional PMC blocks
- oxpec:
- Add OneXFly variants
- Add support for charge limit, charge thresholds, and turbo LED
- Distinguish current X1 variants to avoid unwanted matching to
new variants
- Follow hwmon conventions
- Move from hwmon/oxp-sensors to platform/x86 to match the
enlarged scope
- power supply:
- Add inhibit-charge-awake (needed by oxpec)
- Add additional battery health status values ("blown fuse" and
"cell imbalance") (needed by dell-ddv)
- powerwell-ec: Add driver for Portwell EC supporting GPIO and watchdog
- thinkpad-acpi: Support camera shutter switch hotkey
- tuxedo: Add virtual LampArray for TUXEDO NB04 devices
- tools/power/x86/intel-speed-select:
- Support displaying SST-PP revision 2 fields
- Skip uncore frequency update on newer generations of CPUs
- Miscellaneous cleanups / refactoring / improvements"
* tag 'platform-drivers-x86-v6.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (112 commits)
thermal/drivers/acerhdf: Constify struct thermal_zone_device_ops
platform/x86/amd/hsmp: fix building with CONFIG_HWMON=m
platform/x86: asus-wmi: fix build without CONFIG_SUSPEND
docs: ABI: Fix "aassociated" to "associated"
platform/x86: Add AMD ISP platform config for OV05C10
Documentation: admin-guide: pm: Add documentation for die_id
platform/x86/intel-uncore-freq: Add attributes to show die_id
platform/x86/intel: power-domains: Add interface to get Linux die ID
Documentation: admin-guide: pm: Add documentation for agent_types
platform/x86/intel-uncore-freq: Add attributes to show agent types
platform/x86/tuxedo: Prevent invalid Kconfig state
platform/x86: dell-ddv: Expose the battery health to userspace
platform/x86: dell-ddv: Expose the battery manufacture date to userspace
platform/x86: dell-ddv: Implement the battery matching algorithm
power: supply: core: Add additional health status values
platform/x86/amd/hsmp: acpi: Add sysfs files to display HSMP telemetry
platform/x86/amd/hsmp: Report power via hwmon sensors
platform/x86/amd/hsmp: Use a single DRIVER_VERSION for all hsmp modules
platform/mellanox: mlxreg-dpu: Fix smatch warnings
platform: mellanox: nvsw-sn2200: Fix .items in nvsw_sn2201_busbar_hotplug
...
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For domains with agents to control cores (compute dies) show matching
Linux CPU die ID. Linux CPU ID is a logical die ID, so this may not match
physical die ID or domain_id. So, a mapping is required to get Linux CPU
die ID. This attribute is only presented when CPUID enumerates die ids.
This attribute can be used by orchestration software like Kubernetes to
target specific dies for uncore frequency control.
Signed-off-by: Srinivas Pandruvada <[email protected]>
Reviewed-by: Ilpo Järvinen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Ilpo Järvinen <[email protected]>
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The die ID in the Linux topology sysfs is a logical identifier that
differs from the one presented in CPUID leaf 0x1F or via MSR 0x54.
Introduce an interface that returns the Linux CPU die ID based on a
given package ID and power domain ID. This mapping is stored during the
CPU online callback in an array.
Signed-off-by: Srinivas Pandruvada <[email protected]>
Reviewed-by: Ilpo Järvinen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Ilpo Järvinen <[email protected]>
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Currently, users need detailed hardware information to understand the
scope of controls within each uncore domain. Uncore frequency controls
manage subsystems such as core, cache, memory, and I/O. The UFS TPMI
provides this information, which can be used to present the scope more
clearly.
Each uncore domain consists of one or more agent types, with each agent
type controlling one or more uncore hardware subsystems. For example, a
single agent might control both the core and cache.
Introduce a new attribute called "agent_types." This attribute displays
a list of agents, separated by space character.
The string representations for agent types are as follows:
For core agent: core
For cache agent: cache
For memory agent: memory
For I/O agent: io
These agent types are read during probe time for each cluster and stored
as part of the struct uncore_data.
Signed-off-by: Srinivas Pandruvada <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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Resolve conflicts in dell/alienware-wmi-wmax and asus-wmi, and enable
applying a few amd/hsmp patches that depend on changes in the fixes
branch.
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mt9m114 atomisp designs declare both reset and powerdown pins in their
GPIO type DSM, but the mt9m114 only has a reset pin. The powerdown pin
seems to control the regulators suppyling power to the sensor and
the privacy LED.
Add a mapping of powerdown to powerenable for the mt9m114 for this.
While at is also add a comment to document the ov7251 mapping.
Signed-off-by: Hans de Goede <[email protected]>
Reviewed-by: Sakari Ailus <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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At the moment the atomisp has duplicate code for parsing Intel camera
sensor GPIOS and calling the special 79234640-9e10-4fea-a5c1-b5aa8b19756f
_DSM to get the GPIO type and map it to the sensor.
Export int3472_discrete_parse_crs() so that the atomisp driver can reuse
the INT3472 code for this.
Signed-off-by: Hans de Goede <[email protected]>
Reviewed-by: Sakari Ailus <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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The intent is to re-use the INT3472 code for parsing Intel camera sensor
GPIOs and mapping them to the sensor for the atomisp driver, which
currently has duplicate code.
On atomisp devices there is no special INT3472 ACPI device, instead
the Intel _DSM to get the GPIO type is part of the ACPI device for
the sensor itself.
To deal with this the mapping is done from ipu_bridge_init() instead of
from a platform-device probe() function, there is no device to tie
the lifetime of the gpiod_get() calls done by the INT3472 code to.
Switch from devm_gpiod_get() to plain gpiod_get() + explicit gpiod_put()
calls, to prepare for the code being re-used in the atomisp driver.
Signed-off-by: Hans de Goede <[email protected]>
Reviewed-by: Sakari Ailus <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Ilpo Järvinen <[email protected]>
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INTEL_INT3472
Move the common.h header file to include/linux/platform_data/x86/int3472.h
and add a "INTEL_INT3472" kernel-symbol-namespace to the exported symbols.
This is a preparation patch for exporting some more symbols for re-use in
the atomisp driver.
Signed-off-by: Hans de Goede <[email protected]>
Reviewed-by: Sakari Ailus <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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During CPU offline/online operations, the hardware retains MSR settings.
Even if all CPUs are offlined, the package does not lose its MSR
settings.
Therefore, it is unnecessary to restore MSRs which are modified during
the online operation, and this extra step can be removed.
Signed-off-by: Srinivas Pandruvada <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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Update SST minor version after supporting SST-PP and SST-TF version 2.
Signed-off-by: Srinivas Pandruvada <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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SST PP revision 2 added fabric 1 P0, P1 and Pm frequencies. Export them
by using a new IOCTL ISST_IF_GET_PERF_LEVEL_FABRIC_INFO. This IOCTL
requires platforms with SST PP revision 2 or higher.
To accommodate potential future increases in fabric count and avoid ABI
changes, support is extended for up to 8 fabrics.
Signed-off-by: Srinivas Pandruvada <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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SST-TF revision 2 supports a higher number of cores per bucket, as the
current limit of 256 cores may be insufficient. To accommodate this, a
new offset, "SST_TF_INFO-8," is introduced, allowing for a higher core
count. Utilize this offset instead of the current "SST_TF_INFO-1" offset,
based on SST-TF revision 2 or higher, and if there is a non-zero core
count in any bucket.
Signed-off-by: Srinivas Pandruvada <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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Minor improvements on pmc_core_get_lpm_req().
1. Move the long comment to be above the function
2. Use %pe to print error pointer
3. Remove unneeded devm_kfree call
These changes improves the code maintainability.
Signed-off-by: Xi Pardee <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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Move error handling code to generic_core_init() function. The previous
implementation is that init function called for "full cleanup" function
when error occurs which is error prone. The init function should handle
the error path itself to improve code maintainability.
Signed-off-by: Xi Pardee <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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Use devm_mutex_init() to avoid accidental resource leak in the
future.
Signed-off-by: Xi Pardee <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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Convert ssram device related functionalities to a new driver named Intel
PMC SSRAM Telemetry driver. Modify PMC Core driver to use API exported by
the driver to discover and achieve devid and PWRMBASE address information
for each available PMC. PMC Core driver needs to get PCI device when
reading from telemetry regions.
The new SSRAM driver binds to the SSRAM device and provides the following
functionalities:
1. Look for and register telemetry regions available in SSRAM device.
2. Provide devid and PWRMBASE address information for the corresponding
PMCs.
Signed-off-by: Xi Pardee <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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Change return type of intel_vsec_register() to int. The current
implementation does not indicate if the register fail or not.
Change to return error code if it fails or if INTEL_VSEC config
is not set. This is a preparation step to introduce a new SSRAM
Telemetry driver that will be using this API.
Signed-off-by: Xi Pardee <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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Debug log when remapping a pin/function because of a int3472_gpio_map[]
match.
Reviewed-by: Andy Shevchenko <[email protected]>
Signed-off-by: Hans de Goede <[email protected]>
Tested-by: David Heidelberg <[email protected]> # Dell Latitude 9440
Reviewed-by: Sakari Ailus <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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New Intel Meteor Lake based laptops with IPU6 cameras have a new type 0x12
pin defined in the INT3472 sensor companion device which describes
the sensor's GPIOs.
This pin is primarily used on designs with a Lattice FPGA chip which is
capable of running the sensor independently of the main CPU for features
like presence detection. This pin needs to be driven high to make the FPGA
run the power-on sequence of the sensor. After driving the pin high,
the FPGA "firmware" needs 25ms to complete the power-on sequence.
Add support for this modelling the handshake pin as a GPIO driven "dvdd"
regulator with a 25 ms enable time. This model was chosen because:
1. Sensor chips don't have a handshake pin, so we need to abstract this
in some way which does not require modification to the sensor drivers,
sensor drivers using the bulk-regulator API to get avdd + vddio + dvdd
is normal. So this will work to get the right value set to the handshake
pin without requiring sensor driver modifications.
2. Sensors typically wait only a small time for the sensor to power-on
after de-asserting reset. Not the 25ms the Lattice chip requires.
Using the regulator framework's enable_time allows hiding the need for
this delay from the sensor drivers.
Link: https://lore.kernel.org/platform-driver-x86/[email protected]/
Link: https://bugzilla.redhat.com/show_bug.cgi?id=2341731
Reviewed-by: Andy Shevchenko <[email protected]>
Signed-off-by: Hans de Goede <[email protected]>
Tested-by: David Heidelberg <[email protected]> # Dell Latitude 9440
Reviewed-by: Sakari Ailus <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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Prepare the discrete code for registering more than 1 GPIO regulator.
Reviewed-by: Andy Shevchenko <[email protected]>
Signed-off-by: Hans de Goede <[email protected]>
Tested-by: David Heidelberg <[email protected]> # Dell Latitude 9440
Reviewed-by: Sakari Ailus <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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Avoid the GPIO controlling the avdd regulator being driven low or high
for a very short time leading to spikes by adding an enable delay of 2 ms
and a minimum off to on delay of also 2 ms.
Reviewed-by: Andy Shevchenko <[email protected]>
Signed-off-by: Hans de Goede <[email protected]>
Tested-by: David Heidelberg <[email protected]> # Dell Latitude 9440
Reviewed-by: Sakari Ailus <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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This is a preparation patch for registering multiple regulators, which
requires a different supply-name for each regulator. Make supply-name
a parameter to skl_int3472_register_regulator() and use con-id to set it
so that the existing int3472_gpio_map remapping can be used with it.
Since supply-name is a parameter now, drop the fixed
skl_int3472_regulator_map_supplies[] array and instead add lower- and
upper-case mappings of the passed-in supply-name to the regulator.
Signed-off-by: Hans de Goede <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Tested-by: David Heidelberg <[email protected]> # Dell Latitude 9440
Reviewed-by: Sakari Ailus <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
[ij: GPIO_SUPPPLY_NAME_LENGTH -> GPIO_SUPPLY_NAME_LENGTH]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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Rework the discrete quirk handling to use a quirks struct which is
pointed to by a dmi_system_id table, rather then having a dmi_system_id
table per type of quirk.
This is a preparation patch for adding support for multiple regulators,
where not all regulators might be shared between sensors.
Reviewed-by: Andy Shevchenko <[email protected]>
Signed-off-by: Hans de Goede <[email protected]>
Tested-by: David Heidelberg <[email protected]> # Dell Latitude 9440
Reviewed-by: Sakari Ailus <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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The gpio field in struct int3472_gpio_regulator is only briefly used to
store the GPIO in skl_int3472_register_regulator(). Instead just store
the GPIO directly into cfg.ena_gpiod an drop the gpio field.
Reviewed-by: Andy Shevchenko <[email protected]>
Signed-off-by: Hans de Goede <[email protected]>
Tested-by: David Heidelberg <[email protected]> # Dell Latitude 9440
Reviewed-by: Sakari Ailus <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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The supply_name field is not mandatory and is supposed to be set to
the name of another regulator when it is known that the regulator being
registered is supplied by that other regulator.
Having a regulator supplying the regulator which is being registered does
not apply to the INT3472 GPIO regulator, stop setting a supply_name.
Reviewed-by: Andy Shevchenko <[email protected]>
Signed-off-by: Hans de Goede <[email protected]>
Tested-by: David Heidelberg <[email protected]> # Dell Latitude 9440
Reviewed-by: Sakari Ailus <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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skl_int3472_register_dsm_clock() and skl_int3472_register_gpio_clock() are
80% the same code. Factor out the common code into a new
skl_int3472_register_clock() helper.
Reviewed-by: Andy Shevchenko <[email protected]>
Signed-off-by: Hans de Goede <[email protected]>
Reviewed-by: Ilpo Järvinen <[email protected]>
Tested-by: David Heidelberg <[email protected]> # Dell Latitude 9440
Reviewed-by: Sakari Ailus <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Ilpo Järvinen <[email protected]>
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Remove ioremap and iounmap operations that are not needed. ioremap
and iounmap operations are handled by the caller of the pmc_add_pmt
function.
Signed-off-by: Xi Pardee <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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telemetry.h header file from PMT is not needed in arl.c or mtl.c.
Remove the cross-driver include to avoid confusion.
Signed-off-by: Xi Pardee <[email protected]>
Reviewed-by: Ilpo Järvinen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Ilpo Järvinen <[email protected]>
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Convert the index variables type to be unsigned to avoid confusion
and error.
Signed-off-by: Xi Pardee <[email protected]>
Reviewed-by: Ilpo Järvinen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Ilpo Järvinen <[email protected]>
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Move PMC devid definition for each PMC of Arrow Lake and Meteor
Lake platforms to core.h. This patch is a preparation step to
introduce a new SSRAM Telemetry driver which will be using the
PMC devid.
Signed-off-by: Xi Pardee <[email protected]>
Reviewed-by: Ilpo Järvinen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Ilpo Järvinen <[email protected]>
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Rename core_ssram.c to ssram_telemetry.c. This patch is a
preparation step to introduce a new SSRAM Telemetry driver
for the SSRAM device.
Signed-off-by: Xi Pardee <[email protected]>
Reviewed-by: Ilpo Järvinen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Ilpo Järvinen <[email protected]>
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Move functions that implements PMC Core feature from core_ssram.c
to core.c. This patch is a preparation step to introduce a new
SSRAM Telemetry driver for the SSRAM device.
Signed-off-by: Xi Pardee <[email protected]>
Reviewed-by: Ilpo Järvinen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Ilpo Järvinen <[email protected]>
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struct gpio_chip now has callbacks for setting line values that return
an integer, allowing to indicate failures. Convert the driver to using
them.
Signed-off-by: Bartosz Golaszewski <[email protected]>
Reviewed-by: Hans de Goede <[email protected]>
Link: https://lore.kernel.org/r/20250408-gpiochip-set-rv-platform-x86-v1-2-6f67e76a722c@linaro.org
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
"We have three new drivers, some refactoring in the GPIO core, lots of
various changes across many drivers, new configfs interface for the
virtual gpio-aggregator module and DT-bindings updates.
The treewide conversion of GPIO drivers to using the new value setter
callbacks is ongoing with another round of GPIO drivers updated. You
will also see these commits coming in from other subsystems as with
the relevant changes merged into mainline last cycle, I've started
converting GPIO providers located elsewhere than drivers/gpio/.
GPIO core:
- use more lock guards where applicable
- refactor GPIO ACPI code and shrink it in the process by 8%
- move GPIO ACPI quirks into a separate file
- remove unneeded #ifdef
- convert GPIO devres helpers to using devm_add_action() where
applicable which shrinks and simplifies the code
- refactor GPIO descriptor validation in GPIO consumer interfaces
- don't allow setting values on input lines in the GPIO core which
will take off the burden from GPIO drivers of checking this down
the line
- provide gpiod_is_equal() as a way of safely comparing two GPIO
descriptors (the only current user is in regulator core)
New drivers:
- add the GPIO module for the max77759 multifunction device
- add the GPIO driver for the VeriSilicon BLZP1600 GPIO controller
- add the GPIO driver for the Spacemit K1 SoC
Driver improvements:
- convert more drivers to using the new GPIO line value setter
callbacks
- convert more drivers to making the irq_chip immutable as is
recommended by the interrupt subsystem
- extend build testing coverage by enabling more modules to be built
with COMPILE_TEST=y
- extend the gpio-aggregator module with a configfs interface that
makes the setup easier for user-space than the existing
driver-level sysfs attributes and also adds more advanced
configuration features (such as referring to aggregated lines by
their original names or modifying their names as exposed by the
aggregated chip)
- add a missing mutex_destroy() in gpio-imx-scu
- add an OF polarity quirk for s5m8767
- allow building gpio-vf610 as a loadable module
- make gpio-mxc not hardcode its GPIO base number with GPIO SYSFS
interface disabled (another small step towards getting rid of the
global GPIO numberspace)
- add support for level-triggered interrupts to gpio-pca953x
- don't double-check the ngpios property in gpio-ds4520 as GPIO core
already does it
- don't double-check the number of GPIOs in gpio-imx-scu as GPIO core
already does it
- remove unused callbacks from gpio-max3191x
DT bindings:
- add device-tree bindings for max77759, spacemit,k1 and blzp1600
(new drivers added this cycle)
- document more properties for gpio-vf610 and gpio-tegra186
- document a new pca95xx variant
- fix style of examples in several GPIO DT-binding documents
Misc:
- TODO list updates"
* tag 'gpio-updates-for-v6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (123 commits)
gpio: timberdale: select GPIOLIB_IRQCHIP
gpio: lpc18xx: select GPIOLIB_IRQCHIP
gpio: grgpio: select GPIOLIB_IRQCHIP
gpio: bcm-kona: select GPIOLIB_IRQCHIP
dt-bindings: gpio: vf610: add ngpios and gpio-reserved-ranges
gpio: davinci: select GPIOLIB_IRQCHIP
gpiolib-acpi: Update file references in the Documentation and MAINTAINERS
gpiolib: acpi: Move quirks to a separate file
gpiolib: acpi: Add acpi_gpio_need_run_edge_events_on_boot() getter
gpiolib: acpi: Handle deferred list via new API
gpiolib: acpi: Make sure we fill struct acpi_gpio_info
gpiolib: acpi: Switch to use enum in acpi_gpio_in_ignore_list()
gpiolib: acpi: Use temporary variable for struct acpi_gpio_info
gpiolib: remove unneeded #ifdef
gpio: mpc8xxx: select GPIOLIB_IRQCHIP
gpio: pxa: select GPIOLIB_IRQCHIP
gpio: pxa: Make irq_chip immutable
gpio: timberdale: Make irq_chip immutable
gpio: xgene-sb: Make irq_chip immutable
gpio: davinci: Make irq_chip immutable
...
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The recent changes in the gpiolib-acpi.c need also updates in the Documentation
and MAINTAINERS. Do the necessary changes here.
Fixes: babb541af627 ("gpiolib: acpi: Move quirks to a separate file")
Reported-by: Stephen Rothwell <[email protected]>
Closes: https://lore.kernel.org/r/[email protected]
Reviewed-by: Randy Dunlap <[email protected]>
Tested-by: Randy Dunlap <[email protected]>
Acked-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Andy Shevchenko <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core x86 updates from Ingo Molnar:
"Boot code changes:
- A large series of changes to reorganize the x86 boot code into a
better isolated and easier to maintain base of PIC early startup
code in arch/x86/boot/startup/, by Ard Biesheuvel.
Motivation & background:
| Since commit
|
| c88d71508e36 ("x86/boot/64: Rewrite startup_64() in C")
|
| dated Jun 6 2017, we have been using C code on the boot path in a way
| that is not supported by the toolchain, i.e., to execute non-PIC C
| code from a mapping of memory that is different from the one provided
| to the linker. It should have been obvious at the time that this was a
| bad idea, given the need to sprinkle fixup_pointer() calls left and
| right to manipulate global variables (including non-pointer variables)
| without crashing.
|
| This C startup code has been expanding, and in particular, the SEV-SNP
| startup code has been expanding over the past couple of years, and
| grown many of these warts, where the C code needs to use special
| annotations or helpers to access global objects.
This tree includes the first phase of this work-in-progress x86
boot code reorganization.
Scalability enhancements and micro-optimizations:
- Improve code-patching scalability (Eric Dumazet)
- Remove MFENCEs for X86_BUG_CLFLUSH_MONITOR (Andrew Cooper)
CPU features enumeration updates:
- Thorough reorganization and cleanup of CPUID parsing APIs (Ahmed S.
Darwish)
- Fix, refactor and clean up the cacheinfo code (Ahmed S. Darwish,
Thomas Gleixner)
- Update CPUID bitfields to x86-cpuid-db v2.3 (Ahmed S. Darwish)
Memory management changes:
- Allow temporary MMs when IRQs are on (Andy Lutomirski)
- Opt-in to IRQs-off activate_mm() (Andy Lutomirski)
- Simplify choose_new_asid() and generate better code (Borislav
Petkov)
- Simplify 32-bit PAE page table handling (Dave Hansen)
- Always use dynamic memory layout (Kirill A. Shutemov)
- Make SPARSEMEM_VMEMMAP the only memory model (Kirill A. Shutemov)
- Make 5-level paging support unconditional (Kirill A. Shutemov)
- Stop prefetching current->mm->mmap_lock on page faults (Mateusz
Guzik)
- Predict valid_user_address() returning true (Mateusz Guzik)
- Consolidate initmem_init() (Mike Rapoport)
FPU support and vector computing:
- Enable Intel APX support (Chang S. Bae)
- Reorgnize and clean up the xstate code (Chang S. Bae)
- Make task_struct::thread constant size (Ingo Molnar)
- Restore fpu_thread_struct_whitelist() to fix
CONFIG_HARDENED_USERCOPY=y (Kees Cook)
- Simplify the switch_fpu_prepare() + switch_fpu_finish() logic (Oleg
Nesterov)
- Always preserve non-user xfeatures/flags in __state_perm (Sean
Christopherson)
Microcode loader changes:
- Help users notice when running old Intel microcode (Dave Hansen)
- AMD: Do not return error when microcode update is not necessary
(Annie Li)
- AMD: Clean the cache if update did not load microcode (Boris
Ostrovsky)
Code patching (alternatives) changes:
- Simplify, reorganize and clean up the x86 text-patching code (Ingo
Molnar)
- Make smp_text_poke_batch_process() subsume
smp_text_poke_batch_finish() (Nikolay Borisov)
- Refactor the {,un}use_temporary_mm() code (Peter Zijlstra)
Debugging support:
- Add early IDT and GDT loading to debug relocate_kernel() bugs
(David Woodhouse)
- Print the reason for the last reset on modern AMD CPUs (Yazen
Ghannam)
- Add AMD Zen debugging document (Mario Limonciello)
- Fix opcode map (!REX2) superscript tags (Masami Hiramatsu)
- Stop decoding i64 instructions in x86-64 mode at opcode (Masami
Hiramatsu)
CPU bugs and bug mitigations:
- Remove X86_BUG_MMIO_UNKNOWN (Borislav Petkov)
- Fix SRSO reporting on Zen1/2 with SMT disabled (Borislav Petkov)
- Restructure and harmonize the various CPU bug mitigation methods
(David Kaplan)
- Fix spectre_v2 mitigation default on Intel (Pawan Gupta)
MSR API:
- Large MSR code and API cleanup (Xin Li)
- In-kernel MSR API type cleanups and renames (Ingo Molnar)
PKEYS:
- Simplify PKRU update in signal frame (Chang S. Bae)
NMI handling code:
- Clean up, refactor and simplify the NMI handling code (Sohil Mehta)
- Improve NMI duration console printouts (Sohil Mehta)
Paravirt guests interface:
- Restrict PARAVIRT_XXL to 64-bit only (Kirill A. Shutemov)
SEV support:
- Share the sev_secrets_pa value again (Tom Lendacky)
x86 platform changes:
- Introduce the <asm/amd/> header namespace (Ingo Molnar)
- i2c: piix4, x86/platform: Move the SB800 PIIX4 FCH definitions to
<asm/amd/fch.h> (Mario Limonciello)
Fixes and cleanups:
- x86 assembly code cleanups and fixes (Uros Bizjak)
- Misc fixes and cleanups (Andi Kleen, Andy Lutomirski, Andy
Shevchenko, Ard Biesheuvel, Bagas Sanjaya, Baoquan He, Borislav
Petkov, Chang S. Bae, Chao Gao, Dan Williams, Dave Hansen, David
Kaplan, David Woodhouse, Eric Biggers, Ingo Molnar, Josh Poimboeuf,
Juergen Gross, Malaya Kumar Rout, Mario Limonciello, Nathan
Chancellor, Oleg Nesterov, Pawan Gupta, Peter Zijlstra, Shivank
Garg, Sohil Mehta, Thomas Gleixner, Uros Bizjak, Xin Li)"
* tag 'x86-core-2025-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (331 commits)
x86/bugs: Fix spectre_v2 mitigation default on Intel
x86/bugs: Restructure ITS mitigation
x86/xen/msr: Fix uninitialized variable 'err'
x86/msr: Remove a superfluous inclusion of <asm/asm.h>
x86/paravirt: Restrict PARAVIRT_XXL to 64-bit only
x86/mm/64: Make 5-level paging support unconditional
x86/mm/64: Make SPARSEMEM_VMEMMAP the only memory model
x86/mm/64: Always use dynamic memory layout
x86/bugs: Fix indentation due to ITS merge
x86/cpuid: Rename hypervisor_cpuid_base()/for_each_possible_hypervisor_cpuid_base() to cpuid_base_hypervisor()/for_each_possible_cpuid_base_hypervisor()
x86/cpu/intel: Rename CPUID(0x2) descriptors iterator parameter
x86/cacheinfo: Rename CPUID(0x2) descriptors iterator parameter
x86/cpuid: Rename cpuid_get_leaf_0x2_regs() to cpuid_leaf_0x2()
x86/cpuid: Rename have_cpuid_p() to cpuid_feature()
x86/cpuid: Set <asm/cpuid/api.h> as the main CPUID header
x86/cpuid: Move CPUID(0x2) APIs into <cpuid/api.h>
x86/msr: Add rdmsrl_on_cpu() compatibility wrapper
x86/mm: Fix kernel-doc descriptions of various pgtable methods
x86/asm-offsets: Export certain 'struct cpuinfo_x86' fields for 64-bit asm use too
x86/boot: Defer initialization of VM space related global variables
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The main CPUID header <asm/cpuid.h> was originally a storefront for the
headers:
<asm/cpuid/api.h>
<asm/cpuid/leaf_0x2_api.h>
Now that the latter CPUID(0x2) header has been merged into the former,
there is no practical difference between <asm/cpuid.h> and
<asm/cpuid/api.h>.
Migrate all users to the <asm/cpuid/api.h> header, in preparation of
the removal of <asm/cpuid.h>.
Don't remove <asm/cpuid.h> just yet, in case some new code in -next
started using it.
Suggested-by: Ingo Molnar <[email protected]>
Signed-off-by: Ahmed S. Darwish <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Cc: Andrew Cooper <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: John Ogness <[email protected]>
Cc: [email protected]
Link: https://lore.kernel.org/r/[email protected]
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Conflicts:
drivers/cpufreq/intel_pstate.c
Signed-off-by: Ingo Molnar <[email protected]>
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For historic reasons there are some TSC-related functions in the
<asm/msr.h> header, even though there's an <asm/tsc.h> header.
To facilitate the relocation of rdtsc{,_ordered}() from <asm/msr.h>
to <asm/tsc.h> and to eventually eliminate the inclusion of
<asm/msr.h> in <asm/tsc.h>, add an explicit <asm/msr.h> dependency
to the source files that reference definitions from <asm/msr.h>.
[ mingo: Clarified the changelog. ]
Signed-off-by: Xin Li (Intel) <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Acked-by: Dave Hansen <[email protected]>
Acked-by: Peter Zijlstra (Intel) <[email protected]>
Acked-by: Ilpo Järvinen <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Brian Gerst <[email protected]>
Cc: Juergen Gross <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Kees Cook <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Josh Poimboeuf <[email protected]>
Cc: Uros Bizjak <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Suggested-by: "H. Peter Anvin" <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Acked-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Juergen Gross <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Xin Li <[email protected]>
Cc: Linus Torvalds <[email protected]>
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Suggested-by: "H. Peter Anvin" <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Acked-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Juergen Gross <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Xin Li <[email protected]>
Cc: Linus Torvalds <[email protected]>
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Suggested-by: "H. Peter Anvin" <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Acked-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Juergen Gross <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Xin Li <[email protected]>
Cc: Linus Torvalds <[email protected]>
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Suggested-by: "H. Peter Anvin" <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Acked-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Juergen Gross <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Xin Li <[email protected]>
Cc: Linus Torvalds <[email protected]>
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