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Adds support for reading the critical values of the temperature sensors
and the rail sensors (voltage and current) once and caches them. Updates
the naming of the constants following a more clear scheme. Also updates
the documentation and fixes some typos. Updates is_visible and ops_read
functions to be more readable.
The new sensors output of a Corsair HX850i will look like this:
corsairpsu-hid-3-1
Adapter: HID adapter
v_in: 230.00 V
v_out +12v: 12.14 V (crit min = +8.41 V, crit max = +15.59 V)
v_out +5v: 5.03 V (crit min = +3.50 V, crit max = +6.50 V)
v_out +3.3v: 3.30 V (crit min = +2.31 V, crit max = +4.30 V)
psu fan: 0 RPM
vrm temp: +46.2°C (crit = +70.0°C)
case temp: +39.8°C (crit = +70.0°C)
power total: 152.00 W
power +12v: 108.00 W
power +5v: 41.00 W
power +3.3v: 5.00 W
curr +12v: 9.00 A (crit max = +85.00 A)
curr +5v: 8.31 A (crit max = +40.00 A)
curr +3.3v: 1.62 A (crit max = +40.00 A)
Signed-off-by: Wilken Gottwalt <wilken.gottwalt@posteo.net>
Link: https://lore.kernel.org/r/YFNg6vGk3sQmyqgB@monster.powergraphx.local
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add hardware monitoring support for ST STPDDC60 Unversal Digital
Multicell Controller.
Signed-off-by: Erik Rosen <erik.rosen@metormote.com>
Link: https://lore.kernel.org/r/20210218115249.28513-3-erik.rosen@metormote.com
[groeck: Fixed whitespace error in Makefile]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
For the STPDDC60 chip, the vout alarm-limits are represented as an offset
relative to the commanded output voltage. This means that the limits are
dynamic and must not be cached by the pmbus driver. This patch adds a
pmbus_set_sensor() function to pmbus_core to be able to set the update flag
on selected sensors after auto-detection of limit attributes.
Signed-off-by: Erik Rosen <erik.rosen@metormote.com>
Link: https://lore.kernel.org/r/20210218115249.28513-2-erik.rosen@metormote.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for NCT6686D chip used in the Lenovo P620.
Signed-off-by: Jiqi Li <lijq9@lenovo.com>
Reviewed-by: Mark Pearson <markpearson@lenovo.com>
Link: https://lore.kernel.org/r/20210304104421.1912934-1-lijq9@lenovo.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Changes the way how LINEAR11 values are calculated. The new method
increases the precision of 2-3 digits.
old method:
corsairpsu-hid-3-1
Adapter: HID adapter
v_in: 230.00 V
v_out +12v: 12.00 V
v_out +5v: 5.00 V
v_out +3.3v: 3.00 V
psu fan: 0 RPM
vrm temp: +44.0°C
case temp: +37.0°C
power total: 152.00 W
power +12v: 112.00 W
power +5v: 38.00 W
power +3.3v: 5.00 W
curr in: N/A
curr +12v: 9.00 A
curr +5v: 7.00 A
curr +3.3v: 1000.00 mA
new method:
corsairpsu-hid-3-1
Adapter: HID adapter
v_in: 230.00 V
v_out +12v: 12.16 V
v_out +5v: 5.01 V
v_out +3.3v: 3.30 V
psu fan: 0 RPM
vrm temp: +44.5°C
case temp: +37.8°C
power total: 148.00 W
power +12v: 108.00 W
power +5v: 37.00 W
power +3.3v: 4.50 W
curr in: N/A
curr +12v: 9.25 A
curr +5v: 7.50 A
curr +3.3v: 1.50 A
Co-developed-by: Jack Doan <me@jackdoan.com>
Signed-off-by: Jack Doan <me@jackdoan.com>
Signed-off-by: Wilken Gottwalt <wilken.gottwalt@posteo.net>
Link: https://lore.kernel.org/r/YDoSMqFbgoTXyoru@monster.powergraphx.local
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
fixed the following coccicheck:
./drivers/hwmon/hwmon.c:82:60-61: WARNING opportunity for kobj_to_dev()
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Link: https://lore.kernel.org/r/1614071667-5665-1-git-send-email-yang.lee@linux.alibaba.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Also use regmap for register caching. This change reduces code and
data size by more than 40%.
While at it, fixed some warnings reported by checkpatch.
Cc: Chris Packham <Chris.Packham@alliedtelesis.co.nz>
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
We only use the pointer to i2c_client to access &client->dev.
Store the device pointer directly instead of retrieving it
from i2c_client.
Cc: Chris Packham <Chris.Packham@alliedtelesis.co.nz>
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Not detecting a chip in the detect function is normal and should not
generate any log messages, much less error messages.
Cc: Chris Packham <Chris.Packham@alliedtelesis.co.nz>
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Port the scmi hwmon driver to the new SCMI sensor interface based on
protocol handles and common devm_get_ops().
Link: https://lore.kernel.org/r/20210316124903.35011-25-cristian.marussi@arm.com
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Jean Delvare <jdelvare@suse.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Before trying the custom method of reading the sensor
as raw and then converting, we want to use
iio_read_channel_processed_scale() which first tries to
see if the ADC can provide a processed value directly,
else reads raw and applies scaling inside of IIO
using the scale attributes of the ADC. We need to
multiply the scaled value with 1000 to get to
microvolts from millivolts which is what processed
IIO channels returns.
Keep the code that assumes 12bit ADC around as a
fallback.
This gives correct readings on the AB8500 thermistor
inputs used in the Ux500 HREFP520 platform for reading
battery and board temperature.
Cc: Peter Rosin <peda@axentia.se>
Cc: Chris Lesiak <chris.lesiak@licor.com>
Cc: Jonathan Cameron <jic23@kernel.org>
Cc: linux-iio@vger.kernel.org
Link: https://lore.kernel.org/linux-iio/20201224011607.1059534-1-linus.walleij@linaro.org/
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Chris Lesiak <chris.lesiak@licor.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210308100219.2732156-2-linus.walleij@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Few drivers implement remove call-back only for ensuring a delayed
work gets cancelled prior driver removal. Clean-up these by switching
to use devm_delayed_work_autocancel() instead.
This change is compile-tested only. All testing is appreciated.
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Link: https://lore.kernel.org/r/4830f52d46278ea1c92ad7252f6050540346d8b7.1616506559.git.matti.vaittinen@fi.rohmeurope.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use acpi_evaluation_failure_warn() introduced previously instead of
the ACPICA-specific ACPI_EXCEPTION() macro to log warning messages
regarding ACPI object evaluation failures and use dev_err() instead
of ACPI_EXCEPTION() to log _PMC package parsing failures, which is
consistent with the other messages printed by the code in question.
Next, drop the ACPI_MODULE_NAME() definition only used by the ACPICA
message printing macro.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
- Sync dtc to upstream version v1.6.0-51-g183df9e9c2b9 and build
host fdtoverlay
- Add kbuild support to build DT overlays (%.dtbo)
- Drop NULLifying match table in of_match_device(). In preparation for
this, there are several driver cleanups to use
(of_)?device_get_match_data().
- Drop pointless wrappers from DT struct device API
- Convert USB binding schemas to use graph schema and remove old plain
text graph binding doc
- Convert spi-nor and v3d GPU bindings to DT schema
- Tree wide schema fixes for if/then schemas, array size constraints,
and undocumented compatible strings in examples
- Handle 'no-map' correctly for already reserved memblock regions
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Merge tag 'devicetree-for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
- Sync dtc to upstream version v1.6.0-51-g183df9e9c2b9 and build host
fdtoverlay
- Add kbuild support to build DT overlays (%.dtbo)
- Drop NULLifying match table in of_match_device().
In preparation for this, there are several driver cleanups to use
(of_)?device_get_match_data().
- Drop pointless wrappers from DT struct device API
- Convert USB binding schemas to use graph schema and remove old plain
text graph binding doc
- Convert spi-nor and v3d GPU bindings to DT schema
- Tree wide schema fixes for if/then schemas, array size constraints,
and undocumented compatible strings in examples
- Handle 'no-map' correctly for already reserved memblock regions
* tag 'devicetree-for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (35 commits)
driver core: platform: Drop of_device_node_put() wrapper
of: Remove of_dev_{get,put}()
dt-bindings: usb: Change descibe to describe in usbmisc-imx.txt
dt-bindings: can: rcar_canfd: Group tuples in pin control properties
dt-bindings: power: renesas,apmu: Group tuples in cpus properties
dt-bindings: mtd: spi-nor: Convert to DT schema format
dt-bindings: Use portable sort for version cmp
dt-bindings: ethernet-controller: fix fixed-link specification
dt-bindings: irqchip: Add node name to PRUSS INTC
dt-bindings: interconnect: Fix the expected number of cells
dt-bindings: Fix errors in 'if' schemas
dt-bindings: iommu: renesas,ipmmu-vmsa: Make 'power-domains' conditionally required
dt-bindings: Fix undocumented compatible strings in examples
kbuild: Add support to build overlays (%.dtbo)
scripts: dtc: Remove the unused fdtdump.c file
scripts: dtc: Build fdtoverlay tool
scripts/dtc: Update to upstream version v1.6.0-51-g183df9e9c2b9
scripts: dtc: Fetch fdtoverlay.c from external DTC project
dt-bindings: thermal: sun8i: Fix misplaced schema keyword in compatible strings
dt-bindings: iio: dac: Fix AD5686 references
...
thermal driver (Daniel Lezcano)
- Remove the notify ops as it is no longer used (Daniel Lezcano)
- Remove the 'forced passive' option and the unused bind/unbind
functions (Daniel Lezcano)
- Remove the THERMAL_TRIPS_NONE and the code cleanup around this
macro (Daniel Lezcano)
- Rework the delays to make them pre-computed instead of computing
them again and again at each polling interval (Daniel Lezcano)
- Remove the pointless 'thermal_zone_device_reset' function (Daniel
Lezcano)
- Use the critical and hot ops to prevent an unexpected system
shutdown on int340x (Kai-Heng Feng)
- Make the cooling device state private to the thermal subsystem
(Daniel Lezcano)
- Prevent to use not-power-aware actor devices with the power
allocator governor (Lukasz Luba)
- Remove 'zx' and 'tango' support along with the corresponding
platforms (Arnd Bergman)
- Fix several issues on the Omap thermal driver (Tony Lindgren)
- Add support for adc-tm5 PMIC thermal monitor for Qcom
platforms. Please note those changes rely on an immutable branch:
iio-thermal-5.11-rc1/ib-iio-thermal-5.11-rc1 from the iio tree
(Dmitry Baryshkov)
- Fix an initialization loop in the adc-tm5 (Colin Ian King)
- Fix a return error check in the cpufreq cooling device (Viresh Kumar)
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Merge tag 'thermal-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux
Pull thermal updates from Daniel Lezcano:
- Use the newly introduced 'hot' and 'critical' ops for the acpi
thermal driver (Daniel Lezcano)
- Remove the notify ops as it is no longer used (Daniel Lezcano)
- Remove the 'forced passive' option and the unused bind/unbind
functions (Daniel Lezcano)
- Remove the THERMAL_TRIPS_NONE and the code cleanup around this macro
(Daniel Lezcano)
- Rework the delays to make them pre-computed instead of computing them
again and again at each polling interval (Daniel Lezcano)
- Remove the pointless 'thermal_zone_device_reset' function (Daniel
Lezcano)
- Use the critical and hot ops to prevent an unexpected system shutdown
on int340x (Kai-Heng Feng)
- Make the cooling device state private to the thermal subsystem
(Daniel Lezcano)
- Prevent to use not-power-aware actor devices with the power allocator
governor (Lukasz Luba)
- Remove 'zx' and 'tango' support along with the corresponding
platforms (Arnd Bergman)
- Fix several issues on the Omap thermal driver (Tony Lindgren)
- Add support for adc-tm5 PMIC thermal monitor for Qcom platforms
(Dmitry Baryshkov)
- Fix an initialization loop in the adc-tm5 (Colin Ian King)
- Fix a return error check in the cpufreq cooling device (Viresh Kumar)
* tag 'thermal-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (26 commits)
thermal: cpufreq_cooling: freq_qos_update_request() returns < 0 on error
thermal: qcom: Fix comparison with uninitialized variable channels_available
thermal: qcom: add support for adc-tm5 PMIC thermal monitor
dt-bindings: thermal: qcom: add adc-thermal monitor bindings
thermal: ti-soc-thermal: Use non-inverted define for omap4
thermal: ti-soc-thermal: Simplify polling with iopoll
thermal: ti-soc-thermal: Fix stuck sensor with continuous mode for 4430
thermal: ti-soc-thermal: Skip pointless register access for dra7
thermal/drivers/zx: Remove zx driver
thermal/drivers/tango: Remove tango driver
thermal: power allocator: fail binding for non-power actor devices
thermal/core: Make cooling device state change private
thermal: intel: pch: Fix unexpected shutdown at critical temperature
thermal: int340x: Fix unexpected shutdown at critical temperature
thermal/core: Remove pointless thermal_zone_device_reset() function
thermal/core: Remove ms based delay fields
thermal/core: Use precomputed jiffies for the polling
thermal/core: Precompute the delays from msecs to jiffies
thermal/core: Remove unused macro THERMAL_TRIPS_NONE
thermal/core: Remove THERMAL_TRIPS_NONE test
...
- New drivers
Texas Instruments TPS23861 driver
AHT10 Temperature and Humidity Sensor Driver
- Support for new chips/variants to existing drivers
Add AMD family 19h model 30h x86 match to amd_energy driver
Add Zen3 Ryzen Desktop CPUs support to k10temp driver
Add support for MAX16508 to max16601 driver
Support revision "B" of max31785
Add support for ASRock boards to nct6683 driver
- Driver removals
(abx500) Decomission abx500 driver
Various other minor fixes and improvements.
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Merge tag 'hwmon-for-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"New drivers:
- Texas Instruments TPS23861 driver
- AHT10 Temperature and Humidity Sensor Driver
Support for new chips/variants to existing drivers:
- Add AMD family 19h model 30h x86 match to amd_energy driver
- Add Zen3 Ryzen Desktop CPUs support to k10temp driver
- Add support for MAX16508 to max16601 driver
- Support revision "B" of max31785
- Add support for ASRock boards to nct6683 driver
Driver removals:
- Decomission abx500 driver
Various other minor fixes and improvements"
* tag 'hwmon-for-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (30 commits)
MAINTAINERS: Add entry for Texas Instruments TPS23861 PoE PSE
hwmon: add Texas Instruments TPS23861 driver
dt-bindings: hwmon: Add TI TPS23861 bindings
hwmon: (da9052) Switch to using the new API kobj_to_dev()
hwmon: (amd_energy) Add AMD family 19h model 30h x86 match
hwmon: (pmbus/max31785) Support revision "B"
hwmon: (pmbus/lm25066) Remove unnecessary pmbus_clear_cache function call
hwmon: (pmbus) Clear sensor data after chip write
hwmon: (pmbus/max16601) Add support for MAX16508
hwmon: (pmbus/max16601) Determine and use number of populated phases
hwmon: (pmbus) Simplify the calculation of variables
hwmon: (aht10) Unlock on error in aht10_read_values()
hwmon: (pwm-fan) stop using legacy PWM functions and some cleanups
hwmon: Add AHT10 Temperature and Humidity Sensor Driver
hwmon: (applesmc) Assign boolean values to a bool variable
hwmon: (nct6683) Support ASRock boards
hwmon: (aspeed-pwm-tacho) Switch to using the new API kobj_to_dev()
hwmon: (max6650) Switch to using the new API kobj_to_dev()
hwmon: (pwm-fan) Support multiple fan tachometers
hwmon: (pwm-fan) Store tach data separately
...
Add basic monitoring support as well as port on/off control for Texas
Instruments TPS23861 PoE PSE IC.
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Cc: Luka Perkov <luka.perkov@sartura.hr>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210121134434.2782405-2-robert.marko@sartura.hr
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Switch to using the new API kobj_to_dev() to fix the below warnning:
/drivers/hwmon/da9052-hwmon.c:302:60-61: WARNING opportunity for
kobj_to_dev().
Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Link: https://lore.kernel.org/r/1612860208-51088-1-git-send-email-tiantao6@hisilicon.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add X86 CPU match for AMD family 19h model 30h. This is necessary to
enable support for energy reporting via the amd_energy module.
Signed-off-by: Naveen Krishna Chatradhi <nchatrad@amd.com>
Link: https://lore.kernel.org/r/20210211172054.246276-1-nchatrad@amd.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
There was an issue in how the tach feedbacks of dual rotor fans were
reported during any change in fan speeds with revision "A" of the
MAX31785. When the fan speeds would transition to a new target speed,
the rotor not wired to the TACH input when TACHSEL = 0 would report a
speed of 0 until the new target was reached. This has been fixed,
resulting in a revision "B" update where the MFR_REVISION of "B" is
0x3061.
Signed-off-by: Matthew Barth <msbarth@linux.ibm.com>
Link: https://lore.kernel.org/r/20210201212217.73721-1-msbarth@linux.ibm.com
[groeck: Change 'ret' variable type to int]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
MAX16508 is quite similar to MAX16601, except that it does not support
the DEFAULT_NUM_POP register and we thus can not dynamically determine
the number of populated phases.
Cc: Alex Qiu <xqiu@google.com>
Cc: Ugur Usug <Ugur.Usug@maximintegrated.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210125185327.93282-2-linux@roeck-us.net
Reviewed-by: Alex Qiu <xqiu@google.com>
Tested-by: Alex Qiu <xqiu@google.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The MAX16601 can report the number of populated phases. Use this
information to only create sysfs attributes for populated phases.
Cc: Alex Qiu <xqiu@google.com>
Cc: Ugur Usug <Ugur.Usug@maximintegrated.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210125185327.93282-1-linux@roeck-us.net
Reviewed-by: Alex Qiu <xqiu@google.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Use the more modern API to get the match data out of the of match table.
This saves some code, lines, and nicely avoids referencing the match
table when it is undefined with configurations where CONFIG_OF=n.
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Jean Delvare <jdelvare@suse.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: <linux-hwmon@vger.kernel.org>
[robh: rework to use device_get_match_data()]
Signed-off-by: Rob Herring <robh@kernel.org>
Fix the following coccicheck warnings:
./drivers/hwmon/pmbus/pmbus_core.c:1265:24-26: WARNING !A || A && B is
equivalent to !A || B.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Zhong <abaci-bugfix@linux.alibaba.com>
Link: https://lore.kernel.org/r/1611642100-29937-1-git-send-email-abaci-bugfix@linux.alibaba.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This error path needs to drop the lock before returning.
Fixes: afd018716398 ("hwmon: Add AHT10 Temperature and Humidity Sensor Driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/YBD5Ro549hMJSnW4@mwanda
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
pwm_apply_state() does what the legacy functions pwm_config() and
pwm_{en,dis}able() do in a single function call. This simplifies error
handling and is more efficient for new-style PWM hardware drivers.
Instead of repeatedly querying the PWM framework about the initial PWM
configuration, cache the settings in driver data.
Also use __set_pwm() in .probe() to have the algorithm calculating the PWM
state in a single place.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20210112191314.124686-1-u.kleine-koenig@pengutronix.de
[groeck: Added missing empty line after declaration]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This patch adds a hwmon driver for the AHT10 Temperature and
Humidity sensor. It has a maximum sample rate, as the datasheet
states that the chip may heat up if it is sampled more than once
every two seconds.
Has been tested a to work on a raspberrypi0w
Signed-off-by: Johannes Cornelis Draaijer (datdenkikniet) <jcdra1@gmail.com>
Link: https://lore.kernel.org/r/20210107194014.GA88780@desktop
[groeck: dropped AHT10_ADDR (unused) and use AHT10_MEAS_SIZE where
appropriate; dropped change log]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
fixed the following coccicheck:
drivers/hwmon/aspeed-pwm-tacho.c:634:60-61: WARNING opportunity for
kobj_to_dev()
drivers/hwmon/aspeed-pwm-tacho.c:623:60-61: WARNING opportunity for
kobj_to_dev()
Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Acked-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/1609725945-13895-1-git-send-email-tiantao6@hisilicon.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Switch to using the new API kobj_to_dev() to fix the below warnning:
drivers/hwmon/max6650.c:324:60-61: WARNING opportunity for
kobj_to_dev().
Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Link: https://lore.kernel.org/r/1609376621-46463-1-git-send-email-tiantao6@hisilicon.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The pwm-fan driver is extended to support multiple fan tachometer
signals connected to GPIO inputs. This is intended to support the case
where a single PWM output signal is routed to multiple fans, each of
which have a tachometer output connected back to a GPIO pin.
The number of fan tachometer inputs is determined by the number of
interrupt sources configured for the pwm-fan device. The number of
pulses-per-revolution entries should match the number of interrupt
sources so that each input has a value assigned.
The fan tachometer measurements are exposed as sysfs files fan1_input,
fan2_input, etc up to the number of configured inputs.
Signed-off-by: Paul Barker <pbarker@konsulko.com>
Link: https://lore.kernel.org/r/20201212195008.6036-3-pbarker@konsulko.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The data for the (optional) fan tachometer input is moved to a separate
structure which is only allocated if an input is actually configured.
After this change the pulse IRQ handler takes a pointer to the
tachometer data structure instead of the whole device context.
Signed-off-by: Paul Barker <pbarker@konsulko.com>
Link: https://lore.kernel.org/r/20201212195008.6036-2-pbarker@konsulko.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Several power supplies supported by the IBM CFFPS driver don't
report valid data in the CAPABILITY register. This results in PEC
being enabled when it's not supported by the device, and since
the automatic version detection might fail, disable use of the
CAPABILITY register across the board for this driver.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20201222152640.27749-3-eajames@linux.ibm.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Some PMBus chips don't respond with valid data when reading the
CAPABILITY register. Add a flag that device drivers can set so
that the PMBus core driver doesn't use CAPABILITY to determine it's
behavior.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20201222152640.27749-2-eajames@linux.ibm.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The module has only support for Zen3 server CPUs right now.
Add support for Family 0x19, model 0x21 which are Zen3 Ryzen Desktop CPUs.
Tested on 5800x, 5900x and 5950x CPUs.
Signed-off-by: Gabriel Craciunescu <nix.or.die@gmail.com>
Link: https://lore.kernel.org/r/20201223005315.20077-1-nix.or.die@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This deletes the ABx500 hwmon driver, the only supported
variant being the AB8500.
This driver has been replaced by generic frameworks. By
inspecting the abx500 sysfs files we see that it contains
things such as temp1_max, temp1_max_alarm, temp1_max_hyst,
temp1_max_hyst_alarm, temp1_min, temp1_min_alarm.
It becomes obvious that the abx500.c is a reimplementation
of thermal zones. This is not very strange as the generic
thermal zones were not invented when this driver was merged
so people were rolling their own.
The ab8500.c driver contains conversion tables for handling
a thermistor on ADC channels AUX1 and AUX2.
I managed to replace the functionality of the driver with:
- Activation of the ntc_thermistor.c driver,
CONFIG_SENSORS_NTC_THERMISTOR
- Activation of thermal zones, CONFIG_THERMAL
- In the device tree, connecting the NTC driver to the
processed IIO channels from the AB8500 GPADC ADC forming
two instances of NTC sensors.
- Connecting the two NTC sensors to a "chassis" thermal zone
in the device tree and setting that to hit the CPU frequency
at 50 degrees celsius and do a critical shutdown at 70
degrees celsius, deploying a policy using the sensors.
After talking to the original authors we concluded that the
driver was never properly parameterized in production so
what we now have in the device tree is already puts the
thermistors to better use than what the hwmon driver did.
The two remaining channels for two battery temperatures is
already handled in the charging algorithms but can be
optionally extended to thermal zones as well if we want
these to trigger critical shutdown for the platform.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20201221125521.768082-1-linus.walleij@linaro.org
[groeck: Removed documentation and fixed up Makefile, Kconfig]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Switch to using the new API kobj_to_dev() to fix the below warnning:
drivers/hwmon/w83627ehf.c:1113:60-61: WARNING opportunity for
kobj_to_dev().
Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Link: https://lore.kernel.org/r/1607907735-17510-1-git-send-email-tiantao6@hisilicon.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
See Documentation/core-api/printk-formats.rst.
h should no longer be used in the format specifier for printk.
Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20201215183237.2071770-1-trix@redhat.com
[groeck: Updated subject]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The double negative makes it hard to read "if (!ACPI_FAILURE(status))".
Replace it with "if (ACPI_SUCCESS(status))".
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The change of the cooling device state should be used by the governor
or at least by the core code, not by the drivers themselves.
Remove the API usage and move the function declaration to the internal
headers.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Link: https://lore.kernel.org/r/20210118173824.9970-1-daniel.lezcano@linaro.org
hwmon, specifically hwmon_num_channel_attrs, expects the config
array in the hwmon_channel_info structure to be terminated by
a zero entry. amd_energy does not honor this convention. As
result, a KASAN warning is possible. Fix this by adding an
additional entry and setting it to zero.
Fixes: 8abee9566b7e ("hwmon: Add amd_energy driver to report energy counters")
Signed-off-by: David Arcari <darcari@redhat.com>
Cc: Naveen Krishna Chatradhi <nchatrad@amd.com>
Cc: Jean Delvare <jdelvare@suse.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: linux-kernel@vger.kernel.org
Cc: stable@vger.kernel.org
Signed-off-by: David Arcari <darcari@redhat.com>
Acked-by: Naveen Krishna Chatradhi <nchatrad@amd.com>
Link: https://lore.kernel.org/r/20210107144707.6927-1-darcari@redhat.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
With MAX_PWM being defined to 255 the code
unsigned long period;
...
period = ctx->pwm->args.period;
state.duty_cycle = DIV_ROUND_UP(pwm * (period - 1), MAX_PWM);
calculates a too small value for duty_cycle if the configured period is
big (either by discarding the 64 bit value ctx->pwm->args.period or by
overflowing the multiplication). As this results in a too slow fan and
so maybe an overheating machine better be safe than sorry and error out
in .probe.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20201215092031.152243-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Voltages and current are reported by Zen CPUs. However, the means
to do so is undocumented, changes from CPU to CPU, and the raw data
is not calibrated. Calibration information is available, but again
not documented. This results in less than perfect user experience,
up to concerns that loading the driver might possibly damage
the hardware (by reporting out-of range voltages). Effectively
support for reporting voltages and current is not maintainable.
Drop it.
Cc: Artem S. Tashkinov <aros@gmx.com>
Cc: Wei Huang <wei.huang2@amd.com>
Tested-by: Wei Huang <wei.huang2@amd.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
