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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"New drivers:
- Driver for MAX31760 fan speed controller
- Driver for TEXAS TPS546D24 Buck Converter
- Driver for EMC2301/2/3/5 RPM-based PWM Fan Speed Controller
Removed drivers:
- Drop obsolete asus_wmi_ec_sensors driver
Cleanups, affecting various drivers:
- Use DEFINE_SIMPLE_DEV_PM_OPS where appropriate
- Remove forward declarations
- Move from strlcpy with unused retval to strscpy
- Make use of devm_clk_get_enabled()
- Drop devm_of_pwm_get()
Other notable cleanup and improvements:
- Support for additional USB devide ID and support for reporting of
rail mode via debugfs added to corsair-psu driver
- Support for aditional USB ID in nzxt-smart2 driver
- Support for Aquacomputer High Flow Next in aquacomputer_d5next
driver
- Major cleanup of pwm-fan driver
- Major cleanup of mr75203 driver, and added support for new device
revision
And various other minor fixes and cleanups"
* tag 'hwmon-for-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (86 commits)
hwmon: (corsair-psu) add USB id of new revision of the HX1000i psu
hwmon: (pmbus/mp2888) Fix sensors readouts for MPS Multi-phase mp2888 controller
dt-bindings: hwmon: sensirion,shtc1: Clean up spelling mistakes and grammar
hwmon: (nct6683) remove unused variable in nct6683_create_attr_group
hwmon: w83627hf: Reorder symbols to get rid of a few forward declarations
hwmon: (ina3221) Use DEFINE_RUNTIME_DEV_PM_OPS() and pm_ptr()
hwmon: (w83627ehf) Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
hwmon: (tmp108) Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
hwmon: (tmp103) Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
hwmon: (tmp102) Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
hwmon: (pwm-fan) Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
hwmon: (nct6775) Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
hwmon: (max6639) Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
hwmon: (max31730) witch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
hwmon: (max31722) Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
hwmon: (ltc2947) Switch to EXPORT_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
hwmon: (lm90) Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
hwmon: (it87) Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
hwmon: (gpio-fan) Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
hwmon: (adt7x10) Switch to EXPORT_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
...
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On systems with more than one tps23861, creating the debugfs directory
for additional devices fails with
debugfs: Directory 'tps23861' with parent '/' already present!
To resolve this, include the hwmon device name in the directory name.
Since the name is unique, this guarantees that the debugfs directory
is unique.
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20220907015405.16547-2-mr.nuke.me@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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When reading the 'port_status' debugfs entry, some I2C registers were
read more than once. This looks inefficient in an I2C trace.
To reduce I2C traffic, update tps23861_port_status_show() to only read
each register once. Indexing the port number from 0 instead of 1 also
allows simplifying things a bit.
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Link: https://lore.kernel.org/r/20220907015405.16547-1-mr.nuke.me@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Linux 6.0-rc5
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The tps23861 registers are little-endian, and regmap_read_bulk() does
not do byte order conversion. On BE machines, the bytes were swapped,
and the interpretation of the resistance value was incorrect.
To make it work on both big and little-endian machines, use
le16_to_cpu() to convert the resitance register to host byte order.
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Fixes: fff7b8ab22554 ("hwmon: add Texas Instruments TPS23861 driver")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20220905142806.110598-1-mr.nuke.me@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The value returned by an i2c driver's remove function is mostly ignored.
(Only an error message is printed if the value is non-zero that the
error is ignored.)
So change the prototype of the remove function to return no value. This
way driver authors are not tempted to assume that passing an error to
the upper layer is a good idea. All drivers are adapted accordingly.
There is no intended change of behaviour, all callbacks were prepared to
return 0 before.
Reviewed-by: Peter Senna Tschudin <peter.senna@gmail.com>
Reviewed-by: Jeremy Kerr <jk@codeconstruct.com.au>
Reviewed-by: Benjamin Mugnier <benjamin.mugnier@foss.st.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Crt Mori <cmo@melexis.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Marek Behún <kabel@kernel.org> # for leds-turris-omnia
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Petr Machata <petrm@nvidia.com> # for mlxsw
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com> # for surface3_power
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> # for bmc150-accel-i2c + kxcjk-1013
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> # for media/* + staging/media/*
Acked-by: Miguel Ojeda <ojeda@kernel.org> # for auxdisplay/ht16k33 + auxdisplay/lcd2s
Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com> # for versaclock5
Reviewed-by: Ajay Gupta <ajayg@nvidia.com> # for ucsi_ccg
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> # for iio
Acked-by: Peter Rosin <peda@axentia.se> # for i2c-mux-*, max9860
Acked-by: Adrien Grassein <adrien.grassein@gmail.com> # for lontium-lt8912b
Reviewed-by: Jean Delvare <jdelvare@suse.de> # for hwmon, i2c-core and i2c/muxes
Acked-by: Corey Minyard <cminyard@mvista.com> # for IPMI
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com> # for drivers/power
Acked-by: Krzysztof Hałasa <khalasa@piap.pl>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Trying to use this driver on a big-endian machine results in garbage
values for voltage and current. The tps23861 registers are little-
endian, and regmap_read_bulk() does not do byte order conversion. Thus
on BE machines, the most significant bytes got modified, and were
trimmed by the VOLTAGE_CURRENT_MASK.
To resolve this use uint16_t values, and convert them to host byte
order using le16_to_cpu(). This results in correct readings on MIPS.
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Link: https://lore.kernel.org/r/20220721032255.2850647-1-mr.nuke.me@gmail.com
[groeck: Use __le16 instead of uint16_t]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Current shunt LSB values got reversed during in the
original driver commit.
So, correct the current shunt LSB values according to
the datasheet.
This caused reading slightly skewed current values.
Fixes: fff7b8ab2255 ("hwmon: add Texas Instruments TPS23861 driver")
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Link: https://lore.kernel.org/r/20210609220728.499879-3-robert.marko@sartura.hr
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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TPS23861 has a configuration bit for setting of the
current shunt value used on the board.
Its bit 0 of the General Mask 1 register.
According to the datasheet bit values are:
0 for 255 mOhm (Default)
1 for 250 mOhm
So, configure the bit before registering the hwmon
device according to the value passed in the DTS or
default one if none is passed.
This caused potentially reading slightly skewed values
due to max current value being 1.02A when 250mOhm shunt
is used instead of 1.0A when 255mOhm is used.
Fixes: fff7b8ab2255 ("hwmon: add Texas Instruments TPS23861 driver")
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Link: https://lore.kernel.org/r/20210609220728.499879-2-robert.marko@sartura.hr
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Define the max register address the device supports.
This allows reading the whole register space via
regmap debugfs, without it only register 0x0 is visible.
This was forgotten in the original driver commit.
Fixes: fff7b8ab2255 ("hwmon: add Texas Instruments TPS23861 driver")
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Link: https://lore.kernel.org/r/20210609220728.499879-1-robert.marko@sartura.hr
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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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>
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