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Use the correct function names in kernel-doc comments to prevent these
warnings:
drivers/hwmon/sht15.c:682: warning: expecting prototype for sht15_show_status(). Prototype was for sht15_status_show() instead
drivers/hwmon/sht15.c:705: warning: expecting prototype for sht15_store_heater(). Prototype was for sht15_status_store() instead
drivers/hwmon/sht15.c:738: warning: expecting prototype for sht15_show_temp(). Prototype was for sht15_temp_show() instead
drivers/hwmon/sht15.c:760: warning: expecting prototype for sht15_show_humidity(). Prototype was for sht15_humidity_show() instead
drivers/hwmon/sht21.c:128: warning: expecting prototype for sht21_show_temperature(). Prototype was for sht21_temperature_show() instead
drivers/hwmon/sht21.c:149: warning: expecting prototype for sht21_show_humidity(). Prototype was for sht21_humidity_show() instead
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jean Delvare <jdelvare@suse.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: linux-hwmon@vger.kernel.org
Link: https://lore.kernel.org/r/20230113064556.21685-1-rdunlap@infradead.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Fix kernel-doc warnings:
drivers/hwmon/emc2305.c:62: warning: Cannot understand * @cdev: cooling device;
on line 62 - I thought it was a doc line
drivers/hwmon/emc2305.c:89: warning: Cannot understand * @client: i2c client;
on line 89 - I thought it was a doc line
and drop ';' at end of each struct member line.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jean Delvare <jdelvare@suse.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: linux-hwmon@vger.kernel.org
Link: https://lore.kernel.org/r/20230113064540.20179-1-rdunlap@infradead.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The GXP SoC can support up to 16 fans through the interface provided by
the CPLD. The current support is limited to 8 fans. The fans speeds are
controlled via 8 different PWMs which can vary in value from 0-255. The
fans are also capable of reporting if they have failed to the CPLD which
in turn reports the status to the GXP SoC.
Signed-off-by: Nick Hawkins <nick.hawkins@hpe.com>
Link: https://lore.kernel.org/r/20230103203654.59322-2-nick.hawkins@hpe.com
[groeck: Improved alignment of defined, added missing include linux/bits.h]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Coretemp's platform driver is unconventional. All the real work is done
globally by the initcall and CPU hotplug notifiers, while the "driver"
effectively just wraps an allocation and the registration of the hwmon
interface in a long-winded round-trip through the driver core. The whole
logic of dynamically creating and destroying platform devices to bring
the interfaces up and down is error prone, since it assumes
platform_device_add() will synchronously bind the driver and set drvdata
before it returns, thus results in a NULL dereference if drivers_autoprobe
is turned off for the platform bus. Furthermore, the unusual approach of
doing that from within a CPU hotplug notifier, already commented in the
code that it deadlocks suspend, also causes lockdep issues for other
drivers or subsystems which may want to legitimately register a CPU
hotplug notifier from a platform bus notifier.
All of these issues can be solved by ripping this unusual behaviour out
completely, simply tying the platform devices to the lifetime of the
module itself, and directly managing the hwmon interfaces from the
hotplug notifiers. There is a slight user-visible change in that
/sys/bus/platform/drivers/coretemp will no longer appear, and
/sys/devices/platform/coretemp.n will remain present if package n is
hotplugged off, but hwmon users should really only be looking for the
presence of the hwmon interfaces, whose behaviour remains unchanged.
Link: https://lore.kernel.org/lkml/20220922101036.87457-1-janusz.krzysztofik@linux.intel.com/
Link: https://gitlab.freedesktop.org/drm/intel/issues/6641
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Janusz Krzysztofik <janusz.krzysztofik@linux.intel.com>
Link: https://lore.kernel.org/r/20230103114620.15319-1-janusz.krzysztofik@linux.intel.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for reading four calculated virtual temp sensors on the
Aquacomputer Aquaero. Values of these sensors are calculated on the
device itself based on what the user configured in the official software.
Configuring these sensors is not currently reverse engineered.
Signed-off-by: Aleksa Savic <savicaleksa83@gmail.com>
Link: https://lore.kernel.org/r/20230101190056.1357124-1-savicaleksa83@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Make the description of @aht10_data to @data in aht10_read_values()
and remove @client in aht10_init() to clear the below warnings:
drivers/hwmon/aht10.c:87: warning: Excess function parameter 'client' description in 'aht10_init'
drivers/hwmon/aht10.c:131: warning: Function parameter or member 'data' not described in 'aht10_read_values'
drivers/hwmon/aht10.c:131: warning: Excess function parameter 'aht10_data' description in 'aht10_read_values'
Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3543
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Link: https://lore.kernel.org/r/20221223081056.88345-1-yang.lee@linux.alibaba.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Use devm_watchdog_register_device() to let devres take care
of unregistering the watchdog at device removal. Remove the
now pointless fts_remove() function.
Tested on a Fujitsu DS3401-B1.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20221224041855.83981-4-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for the AYANEO AIR and AYANEO AIR Pro models of handheld
devices. These devices use the same EC registers and logic as the One X
Player mini AMD. Previous AYANEO models are not supported as they use a
different EC and do not have the necessary fan speed write enable and
setting registers. The driver is tested on AYANEO AIR while AIR Pro model
EC functionality and DMI data were verified using command line tools by
another user.
Add:
- AYANEO AIR (AMD 5560U)
- AYANEO AIR Pro (AMD 5560U)
- AYANEO AIR Pro (AMD 5825U)
While at it, fix spelling error (appart -> apart).
Link: https://lore.kernel.org/r/20221229025609.147482-1-derekjohn.clark@gmail.com
Signed-off-by: Derek J. Clark <derekjohn.clark@gmail.com>
[groeck: Sanitize commit description]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add device dependent serial number and firmware offsets to support
devices with different offsets. All currently supported devices share
the same offsets. Implemented by Aleksa Savic [1].
[1] 14c3acf78b
Originally-from: Aleksa Savic <savicaleksa83@gmail.com>
Signed-off-by: Leonard Anderweit <leonard.anderweit@gmail.com>
Link: https://lore.kernel.org/r/20221218113131.3752-5-leonard.anderweit@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Introduce structure for per device fan sensor offsets. This allows
reading fan sensors in aqc_raw_event() from devices which use a
different sensor layout in their status HID report. Currently only one
version is implemented as all supported devices use the same structure.
Signed-off-by: Leonard Anderweit <leonard.anderweit@gmail.com>
Link: https://lore.kernel.org/r/20221218113131.3752-4-leonard.anderweit@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Read flow sensors the same way for all devices instead of in special
cases. Implemented by Aleksa Savic [1].
[1] 1c10912c5f
Originally-from: Aleksa Savic <savicaleksa83@gmail.com>
Signed-off-by: Leonard Anderweit <leonard.anderweit@gmail.com>
Link: https://lore.kernel.org/r/20221218113131.3752-3-leonard.anderweit@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The MPQ7932 is a power management IC designed to operate from 5V buses to
power a variety of Advanced driver-assistance system SOCs. Six integrated
buck converters with hardware monitoring capability powers a variety of
target rails configurable over PMBus interface.
Signed-off-by: Saravanan Sekar <saravanan@linumiz.com>
Link: https://lore.kernel.org/r/20221207173716.123223-4-saravanan@linumiz.com
[groeck: Modified multi-line comments to match standard comment style]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The coretemp driver uses rdmsr_on_cpu calls to read
MSR_IA32_PACKAGE_THERM_STATUS/MSR_IA32_THERM_STATUS registers,
which contain information about current core temperature.
For certain low latency applications, the RDMSR interruption exceeds
the applications requirements.
So do not create core files in sysfs, for CPUs which have
isolation and nohz_full enabled.
Temperature information from the housekeeping cores should be
sufficient to infer die temperature.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Link: https://lore.kernel.org/r/Y5zT6B1mY9/pnwJV@tpad
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The find_last_bit() call produces the index of the highest-numbered
core in core_mask; because cores are numbered from zero, the number of
elements we need to allocate is one more than that.
Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
Cc: stable@kernel.org # v5.18
Fixes: bf3608f338e9 ("hwmon: peci: Add cputemp driver")
Reviewed-by: Iwona Winiarska <iwona.winiarska@intel.com>
Link: https://lore.kernel.org/r/20230202021825.21486-1-zev@bewilderbeest.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Split the common code from intel-m10-bmc driver into intel-m10-bmc-core
and move the SPI bus parts into an interface specific file.
intel-m10-bmc-core becomes the core MFD functions which can support
multiple bus interface like SPI bus.
Co-developed-by: Tianfei zhang <tianfei.zhang@intel.com>
Signed-off-by: Tianfei zhang <tianfei.zhang@intel.com>
Reviewed-by: Russ Weight <russell.h.weight@intel.com>
Acked-by: Guenter Roeck <linux@roeck-us.net> # hwmon
Reviewed-by: Xu Yilun <yilun.xu@intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20230116100845.6153-5-ilpo.jarvinen@linux.intel.com
The s3c adc driver was removed along with the s3c24xx platform, so the
hwmon driver is orphaned and can be removed.
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
scsi_execute_req() is going to be removed. Convert drivetemp to
scsi_execute_cmd().
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Commit 4ef2774511dc ("hwmon: (nct6775) Convert register access to
regmap API") fumbled the shifting & masking of the fan_div values such
that odd-numbered fan divisors would always be set to zero. Fix it so
that we actually OR in the bits we meant to.
Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
Fixes: 4ef2774511dc ("hwmon: (nct6775) Convert register access to regmap API")
Cc: stable@kernel.org # v5.19+
Link: https://lore.kernel.org/r/20230102212857.5670-1-zev@bewilderbeest.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
A user complained that the ftsteutates driver was displaying
bogus values since its introduction. This happens because the
sensor measurements need to be scaled in order to produce
meaningful results:
- the fan speed needs to be multiplied by 60 since its in RPS
- the temperature is in degrees celsius and needs an offset of 64
- the voltage is in 1/256 of 3.3V
The offical datasheet says the voltage needs to be divided by 256,
but this is likely an off-by-one-error, since even the BIOS
devides by 255 (otherwise 3.3V could not be measured).
The voltage channels additionally need a board-specific multiplier,
however this can be done by the driver since its board-specific.
The reason the missing scaling of measurements is the way Fujitsu
used this driver when it was still out-of-tree. Back then, all
scaling was done in userspace by libsensors, even the generic one.
Tested on a Fujitsu DS3401-B1.
Fixes: 08426eda58e0 ("hwmon: Add driver for FTS BMC chip "Teutates"")
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20221224041855.83981-2-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
New drivers
- Driver for OneXPlayer mini AMD sensors
- Ampere's Altra smpro-hwmon driver
New chip and attribute support in existing drivers
- nct6775: Support for ASUS CROSSHAIR VIII/TUF/ProArt B550M
- pmbus/ltc2978: Support for LTC7132
- aquacomputer_d5next: Support for temperature sensor offsets
and flow sensor pulses
- coretemp: Support for dynamic ttarget and tjmax
Improvements
- Use devm_regulator_get_enable() where appropriate
- Use sysfs_emit() instead of scnprintf()
- Remove some useless #include <linux/hwmon-vid.h>
- Include <linux/kstrtox.h> when appropriate
- Use simple i2c probe
- it87: Check for a valid chip before using force_id, and new
new module parameter to ignore ACPI resource conflicts
- jc42: Use regmap, and restore min/max/critical temperatures on resume
- Add reporting power good and status to PMBus based regulators
Last minute fixes
- emc2305: Fix probing of emc2301/2/3, and fix setting pwm values
manually if THERMAL is enabled
Various other minor fixes and improvements
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Merge tag 'hwmon-for-v6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"New drivers:
- Driver for OneXPlayer mini AMD sensors
- Ampere's Altra smpro-hwmon driver
New chip and attribute support in existing drivers:
- nct6775: Support for ASUS CROSSHAIR VIII/TUF/ProArt B550M
- pmbus/ltc2978: Support for LTC7132
- aquacomputer_d5next: Support for temperature sensor offsets and
flow sensor pulses
- coretemp: Support for dynamic ttarget and tjmax
Improvements:
- Use devm_regulator_get_enable() where appropriate
- Use sysfs_emit() instead of scnprintf()
- Remove some useless #include <linux/hwmon-vid.h>
- Include <linux/kstrtox.h> when appropriate
- Use simple i2c probe
- it87: Check for a valid chip before using force_id, and new new
module parameter to ignore ACPI resource conflicts
- jc42: Use regmap, and restore min/max/critical temperatures on
resume
- Add reporting power good and status to PMBus based regulators
Last minute fixes:
- emc2305: Fix probing of emc2301/2/3, and fix setting pwm values
manually if THERMAL is enabled
And various other minor fixes and improvements"
* tag 'hwmon-for-v6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (37 commits)
hwmon: (emc2305) fix pwm never being able to set lower
hwmon: (emc2305) fix unable to probe emc2301/2/3
hwmon: (dell-smm) Move error message to make probing silent
hwmon: use sysfs_emit() to instead of scnprintf()
hwmon: (oxp-sensors) Fix pwm reading
hwmon: (aquacomputer_d5next) Add support for Quadro flow sensor pulses
hwmon: (pmbus/core) Implement regulator get_status
hwmon: (oxp-sensors) Add AOK ZOE and Mini PRO
hwmon: (gsc-hwmon) Switch to flexible array to simplify code
hwmon: (pmbus) Add power good support
hwmon: (nct6775) add ASUS CROSSHAIR VIII/TUF/ProArt B550M
hwmon: (coretemp) Add support for dynamic ttarget
hwmon: (coretemp) Add support for dynamic tjmax
hwmon: (coretemp) rearrange tjmax handing code
hwmon: Remove some useless #include <linux/hwmon-vid.h>
hwmon: (coretemp) Remove obsolete temp_data->valid
hwmon: add OneXPlayer mini AMD sensors driver
hwmon: (aquacomputer_d5next) Clear up macros and comments
hwmon: (it87) Add DMI table for future extensions
hwmon: Include <linux/kstrtox.h> when appropriate
...
Merge ACPI changes related to device enumeration, device object
managenet, operation region handling, table parsing and sysfs
interface:
- Use ZERO_PAGE(0) instead of empty_zero_page in the ACPI device
enumeration code (Giulio Benetti).
- Change the return type of the ACPI driver remove callback to void and
update its users accordingly (Dawei Li).
- Add general support for FFH address space type and implement the low-
level part of it for ARM64 (Sudeep Holla).
- Fix stale comments in the ACPI tables parsing code and make it print
more messages related to MADT (Hanjun Guo, Huacai Chen).
- Replace invocations of generic library functions with more kernel-
specific counterparts in the ACPI sysfs interface (Christophe JAILLET,
Xu Panda).
* acpi-scan:
ACPI: scan: substitute empty_zero_page with helper ZERO_PAGE(0)
* acpi-bus:
ACPI: FFH: Silence missing prototype warnings
ACPI: make remove callback of ACPI driver void
ACPI: bus: Fix the _OSC capability check for FFH OpRegion
arm64: Add architecture specific ACPI FFH Opregion callbacks
ACPI: Implement a generic FFH Opregion handler
* acpi-tables:
ACPI: tables: Fix the stale comments for acpi_locate_initial_tables()
ACPI: tables: Print CORE_PIC information when MADT is parsed
* acpi-sysfs:
ACPI: sysfs: use sysfs_emit() to instead of scnprintf()
ACPI: sysfs: Use kstrtobool() instead of strtobool()
There are fields 'last_hwmon_state' and 'last_thermal_state' in the
structure 'emc2305_cdev_data', which respectively store the cooling state
set by the 'hwmon' and 'thermal' subsystem, and the driver author hopes
that if the state set by 'hwmon' is lower than the value set by 'thermal',
the driver will just save it without actually setting the pwm. Currently,
the 'last_thermal_state' also be updated by 'hwmon', which will cause the
cooling state to never be set to a lower value. This patch fixes that.
Signed-off-by: Xingjiang Qiao <nanpuyue@gmail.com>
Link: https://lore.kernel.org/r/20221206055331.170459-2-nanpuyue@gmail.com
Fixes: 0d8400c5a2ce1 ("hwmon: (emc2305) add support for EMC2301/2/3/5 RPM-based PWM Fan Speed Controller.")
[groeck: renamed emc2305_set_cur_state_shim -> __emc2305_set_cur_state]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The definitions of 'EMC2305_REG_PRODUCT_ID' and 'EMC2305_REG_DEVICE' are
both '0xfd', they actually return the same value, but the values returned
by emc2301/2/3/5 are different, so probe emc2301/2/3 will fail, This patch
fixes that.
Signed-off-by: Xingjiang Qiao <nanpuyue@gmail.com>
Link: https://lore.kernel.org/r/20221206055331.170459-1-nanpuyue@gmail.com
Fixes: 0d8400c5a2ce1 ("hwmon: (emc2305) add support for EMC2301/2/3/5 RPM-based PWM Fan Speed Controller.")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
If dell-smm-hwmon loads on unsupported hardware like the
Dell XPS 17 9710, an error message is printed.
This might confuse users, as drivers are expected to be
silent if no supported hardware is found.
Reorder the error message so its only printed when the
driver is loaded with the "force" option being set.
Also reword the error message slightly.
Tested on a Dell Inspiron 3505.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20221130183418.357246-1-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for the AOK ZOE A1 and OXP Mini PRO handheld devices.
DMI strings are added to this driver since the same EC layout is used and
has similar specs as the OXP mini AMD.
The added devices are:
- OneXPlayer mini PRO (AMD 6800U)
- AOK ZOE A1 (AMD 6800U)
Signed-off-by: Joaquín Ignacio Aramendía <samsagax@gmail.com>
Link: https://lore.kernel.org/r/20221125114901.11309-1-samsagax@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Using flexible array is more straight forward. It
- saves 1 pointer in the 'gsc_hwmon_platform_data' structure
- saves an indirection when using this array
- saves some LoC and avoids some always spurious pointer arithmetic
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/61a23e1d642397cfcecc4ac3bb0ab485d257987d.1668936855.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Update error flags with regulation out if regulator is on & power
good status bit is set
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Signed-off-by: Naresh Solanki <Naresh.Solanki@9elements.com>
Link: https://lore.kernel.org/r/20221117184022.1808508-1-Naresh.Solanki@9elements.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Boards such as
* ProArt B550-CREATOR
* ProArt Z490-CREATOR 10G
* ROG CROSSHAIR VIII EXTREME
* ROG CROSSHAIR VIII HERO (WI-FI)
* TUF GAMING B550M-E
* TUF GAMING B550M-E (WI-FI)
* TUF GAMING B550M-PLUS WIFI II
have got a nct6775 chip, but by default there's no use of it
because of resource conflict with WMI method.
This commit adds such boards to the WMI monitoring list.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=204807
Signed-off-by: Denis Pauk <pauk.denis@gmail.com>
Reported-by: yutesdb <mundanedefoliation@gmail.com>
Tested-by: yutesdb <mundanedefoliation@gmail.com>
Link: https://lore.kernel.org/r/20221114214456.3891-1-pauk.denis@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Tjmax value retrieved from MSR_IA32_TEMPERATURE_TARGET can be changed at
runtime when the Intel SST-PP (Intel Speed Select Technology -
Performance Profile) level is changed. As a result, the ttarget value
also becomes dyamic.
Improve the code to always get updated ttarget value.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Link: https://lore.kernel.org/r/20221113153145.32696-4-rui.zhang@intel.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Tjmax value retrieved from MSR_IA32_TEMPERATURE_TARGET can be changed at
runtime when the Intel SST-PP (Intel Speed Select Technology -
Performance Profile) level is changed.
Improve the code to always use updated tjmax when it can be retrieved
from MSR_IA32_TEMPERATURE_TARGET.
When tjmax can not be retrieved from MSR_IA32_TEMPERATURE_TARGET, still
follow the previous logic and always use a static tjmax value.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Link: https://lore.kernel.org/r/20221113153145.32696-3-rui.zhang@intel.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Rearrange the tjmax handling code so that it can be used directly in
the sysfs attribute callbacks without forward declarations.
No functional change in this patch.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Link: https://lore.kernel.org/r/20221113153145.32696-2-rui.zhang@intel.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Checking for the valid bit of IA32_THERM_STATUS is removed in commit
bf6ea084ebb5 ("hwmon: (coretemp) Do not return -EAGAIN for low
temperatures"), and temp_data->valid is set and never cleared when the
temperature has been read once.
Remove the obsolete temp_data->valid field.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Link: https://lore.kernel.org/r/20221108075051.5139-2-rui.zhang@intel.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Sensors driver for OXP Handhelds from One-Netbook that expose fan reading
and control via hwmon sysfs.
As far as I could gather all OXP boards have the same DMI strings and
they can be told appart only by the boot cpu vendor (Intel/AMD).
Currently only AMD boards are supported since Intel have different EC
registers and values to read/write.
Fan control is provided via pwm interface in the range [0-255]. AMD
boards have [0-100] as range in the EC, the written value is scaled to
accommodate for that.
Signed-off-by: Joaquín Ignacio Aramendía <samsagax@gmail.com>
Link: https://lore.kernel.org/r/20221104140659.593608-1-samsagax@gmail.com
[groeck: Removed misleading comment about module_platform_driver()]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reorganize macro definitions into sections for each supported
device, with additional comments on their purpose. This should
make it easier to follow what report each offset is coming
from. Also, reformat per-device initializations in
aqc_probe() to organize them into sections (fan info,
temp sensors, other parameters and lastly labels).
No functional changes.
Signed-off-by: Aleksa Savic <savicaleksa83@gmail.com>
Link: https://lore.kernel.org/r/20221107142455.655998-1-savicaleksa83@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add in DMI matching table to match various board quirks and settings.
This will be useful for future extentions, but will start with the
existing definition of the Shuttle SN68PT.
Signed-off-by: Frank Crawford <frank@crawford.emu.id.au>
Link: https://lore.kernel.org/r/20221105232531.1619387-1-frank@crawford.emu.id.au
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Use BIT() and GENMASK() macros for defining the bitfields inside the
registers. Also use FIELD_GET() and FIELD_PREP() where appropriate. This
makes the coding style within the driver consistent. No functional
changes intended.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for LTC7132.
The relevant registers in the LTC7132 are identical to the LTC7880.
So it's just a matter of adding the chip id.
Signed-off-by: Felix Nieuwenhuizen <Felix.Nieuwenhuizen@etas.com>
Link: https://lore.kernel.org/r/20221027145135.31802-1-Felix.Nieuwenhuizen@etas.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Clang warns:
drivers/hwmon/smpro-hwmon.c:378:2: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough]
default:
^
drivers/hwmon/smpro-hwmon.c:378:2: note: insert 'break;' to avoid fall-through
default:
^
break;
1 error generated.
Clang is a little more pedantic than GCC, which does not warn when
falling through to a case that is just break or return. Clang's version
is more in line with the kernel's own stance in deprecated.rst, which
states that all switch/case blocks must end in either break,
fallthrough, continue, goto, or return.
Add the missing break to silence the warning. Additionally, adjust the
indentation of a break and add a default case to the inner switch
statement.
Fixes: a87456864cbb ("hwmon: Add Ampere's Altra smpro-hwmon driver")
Link: https://github.com/ClangBuiltLinux/linux/issues/1751
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20221027231611.3824800-1-nathan@kernel.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
