Date:   Fri, 8 Oct 2021 07:53:19 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Linux Doc Mailing List <linux-doc@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Jonathan Corbet <corbet@....net>, Jean Delvare <jdelvare@...e.com>,
        linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/7] ABI: sysfs-class-hwmon: add ABI documentation for
 it

On 9/30/21 2:44 AM, Mauro Carvalho Chehab wrote:
> Move the ABI attributes documentation from:
> 	Documentation/hwmon/sysfs-interface.rst
> 
The patche moves th documentation; it doesn't add it.
That should be reflected in the subject.


> in order for it to follow the usual ABI documentation. That
> allows script/get_abi.pl to properly handle it.
>  > Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
> ---
> 
> See [PATCH v2 0/7] at: https://lore.kernel.org/all/cover.1632994837.git.mchehab+huawei@kernel.org/
> 
>   Documentation/ABI/testing/sysfs-class-hwmon | 918 ++++++++++++++++++++
>   Documentation/hwmon/sysfs-interface.rst     | 596 +------------
>   MAINTAINERS                                 |   1 +
>   3 files changed, 961 insertions(+), 554 deletions(-)
>   create mode 100644 Documentation/ABI/testing/sysfs-class-hwmon
> 
> diff --git a/Documentation/ABI/testing/sysfs-class-hwmon b/Documentation/ABI/testing/sysfs-class-hwmon
> new file mode 100644
> index 000000000000..ea5a129ae082
> --- /dev/null
> +++ b/Documentation/ABI/testing/sysfs-class-hwmon
> @@ -0,0 +1,918 @@
> +What:		/sys/class/hwmon/hwmonX/name
> +Description:
> +		The chip name.
> +		This should be a short, lowercase string, not containing
> +		whitespace, dashes, or the wildcard character '*'.
> +		This attribute represents the chip name. It is the only
> +		mandatory attribute.
> +		I2C devices get this attribute created automatically.

The above sentence is obsolete and should be removed. The name attribute is generated
automatically for all non-obsolete APIs.

> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/update_interval
> +Description:
> +		The interval at which the chip will update readings.
> +		Unit: millisecond
> +
> +		RW
> +
> +		Some devices have a variable update rate or interval.
> +		This attribute can be used to change it to the desired value.
> +
> +What:		/sys/class/hwmon/hwmonX/inY_min
> +Description:
> +		Voltage min value.
> +
> +		Unit: millivolt
> +
> +		RW
> +
The range of "Y" gets lost in those definitions. They are still retained in
the original file, so maybe tit doesn't matter. It seems a bit
incomplete, though.

> +What:		/sys/class/hwmon/hwmonX/inY_lcrit
> +Description:
> +		Voltage critical min value.
> +
> +		Unit: millivolt
> +
> +		RW
> +
> +		If voltage drops to or below this limit, the system may
> +		take drastic action such as power down or reset. At the very
> +		least, it should report a fault.
> +
> +What:		/sys/class/hwmon/hwmonX/inY_max
> +Description:
> +		Voltage max value.
> +
> +		Unit: millivolt
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/inY_crit
> +Description:
> +		Voltage critical max value.
> +
> +		Unit: millivolt
> +
> +		RW
> +
> +		If voltage reaches or exceeds this limit, the system may
> +		take drastic action such as power down or reset. At the very
> +		least, it should report a fault.
> +
> +What:		/sys/class/hwmon/hwmonX/inY_input
> +Description:
> +		Voltage input value.
> +
> +		Unit: millivolt
> +
> +		RO
> +
> +		Voltage measured on the chip pin.
> +
> +		Actual voltage depends on the scaling resistors on the
> +		motherboard, as recommended in the chip datasheet.
> +
> +		This varies by chip and by motherboard.
> +		Because of this variation, values are generally NOT scaled
> +		by the chip driver, and must be done by the application.
> +		However, some drivers (notably lm87 and via686a)
> +		do scale, because of internal resistors built into a chip.
> +		These drivers will output the actual voltage. Rule of
> +		thumb: drivers should report the voltage values at the
> +		"pins" of the chip.
> +
> +What:		/sys/class/hwmon/hwmonX/inY_average
> +Description:
> +		Average voltage
> +
> +		Unit: millivolt
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/inY_lowest
> +Description:
> +		Historical minimum voltage
> +
> +		Unit: millivolt
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/inY_highest
> +Description:
> +		Historical maximum voltage
> +
> +		Unit: millivolt
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/inY_reset_history
> +Description:
> +		Reset inX_lowest and inX_highest
> +
> +		WO
> +
> +What:		/sys/class/hwmon/hwmonX/in_reset_history
> +Description:
> +		Reset inX_lowest and inX_highest for all sensors
> +
> +		WO
> +
> +What:		/sys/class/hwmon/hwmonX/inY_label
> +Description:
> +		Suggested voltage channel label.
> +
> +		Text string
> +
> +		Should only be created if the driver has hints about what
> +		this voltage channel is being used for, and user-space
> +		doesn't. In all other cases, the label is provided by
> +		user-space.
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/inY_enable
> +Description:
> +		Enable or disable the sensors.
> +
> +		When disabled the sensor read will return -ENODATA.
> +
> +		- 1: Enable
> +		- 0: Disable
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/cpuY_vid
> +Description:
> +		CPU core reference voltage.
> +
> +		Unit: millivolt
> +
> +		RO
> +
> +		Not always correct.
> +
> +What:		/sys/class/hwmon/hwmonX/vrm
> +Description:
> +		Voltage Regulator Module version number.
> +
> +		RW (but changing it should no more be necessary)
> +
> +		Originally the VRM standard version multiplied by 10, but now
> +		an arbitrary number, as not all standards have a version
> +		number.
> +
> +		Affects the way the driver calculates the CPU core reference
> +		voltage from the vid pins.
> +
> +What:		/sys/class/hwmon/hwmonX/inY_rated_min
> +Description:
> +		Minimum rated voltage.
> +
> +		Unit: millivolt
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/inY_rated_max
> +Description:
> +		Maximum rated voltage.
> +
> +		Unit: millivolt
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/fanY_min
> +Description:
> +		Fan minimum value
> +
> +		Unit: revolution/min (RPM)
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/fanY_max
> +Description:
> +		Fan maximum value
> +
> +		Unit: revolution/min (RPM)
> +
> +		Only rarely supported by the hardware.
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/fanY_input
> +Description:
> +		Fan input value.
> +
> +		Unit: revolution/min (RPM)
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/fanY_div
> +Description:
> +		Fan divisor.
> +
> +		Integer value in powers of two (1, 2, 4, 8, 16, 32, 64, 128).
> +
> +		RW
> +
> +		Some chips only support values 1, 2, 4 and 8.
> +		Note that this is actually an internal clock divisor, which
> +		affects the measurable speed range, not the read value.
> +
> +What:		/sys/class/hwmon/hwmonX/fanY_pulses
> +Description:
> +		Number of tachometer pulses per fan revolution.
> +
> +		Integer value, typically between 1 and 4.
> +
> +		RW
> +
> +		This value is a characteristic of the fan connected to the
> +		device's input, so it has to be set in accordance with the fan
> +		model.
> +
> +		Should only be created if the chip has a register to configure
> +		the number of pulses. In the absence of such a register (and
> +		thus attribute) the value assumed by all devices is 2 pulses
> +		per fan revolution.
> +
> +What:		/sys/class/hwmon/hwmonX/fanY_target
> +Description:
> +		Desired fan speed
> +
> +		Unit: revolution/min (RPM)
> +
> +		RW
> +
> +		Only makes sense if the chip supports closed-loop fan speed
> +		control based on the measured fan speed.
> +
> +What:		/sys/class/hwmon/hwmonX/fanY_label
> +Description:
> +		Suggested fan channel label.
> +
> +		Text string
> +
> +		Should only be created if the driver has hints about what
> +		this fan channel is being used for, and user-space doesn't.
> +		In all other cases, the label is provided by user-space.
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/fanY_enable
> +Description:
> +		Enable or disable the sensors.
> +
> +		When disabled the sensor read will return -ENODATA.
> +
> +		- 1: Enable
> +		- 0: Disable
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/pwmY
> +Description:
> +		Pulse width modulation fan control.
> +
> +		Integer value in the range 0 to 255
> +
> +		RW
> +
> +		255 is max or 100%.
> +
> +What:		/sys/class/hwmon/hwmonX/pwmY_enable
> +Description:
> +		Fan speed control method:
> +
> +		- 0: no fan speed control (i.e. fan at full speed)
> +		- 1: manual fan speed control enabled (using `pwmY`)
> +		- 2+: automatic fan speed control enabled
> +
> +		Check individual chip documentation files for automatic mode
> +		details.
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/pwmY_mode
> +Description:
> +		- 0: DC mode (direct current)
> +		- 1: PWM mode (pulse-width modulation)
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/pwmY_freq
> +Description:
> +		Base PWM frequency in Hz.
> +
> +		Only possibly available when pwmN_mode is PWM, but not always
> +		present even then.
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/pwmY_auto_channels_temp
> +Description:
> +		Select which temperature channels affect this PWM output in
> +		auto mode.
> +
> +		Bitfield, 1 is temp1, 2 is temp2, 4 is temp3 etc...
> +		Which values are possible depend on the chip used.
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/pwmY_auto_pointZ_pwm
> +What:		/sys/class/hwmon/hwmonX/pwmY_auto_pointZ_temp
> +What:		/sys/class/hwmon/hwmonX/pwmY_auto_pointZ_temp_hyst
> +Description:
> +		Define the PWM vs temperature curve.
> +
> +		Number of trip points is chip-dependent. Use this for chips
> +		which associate trip points to PWM output channels.
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/tempY_auto_pointZ_pwm
> +What:		/sys/class/hwmon/hwmonX/tempY_auto_pointZ_temp
> +What:		/sys/class/hwmon/hwmonX/tempY_auto_pointZ_temp_hyst
> +Description:
> +		Define the PWM vs temperature curve.
> +
> +		Number of trip points is chip-dependent. Use this for chips
> +		which associate trip points to temperature channels.
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/tempY_type
> +Description:
> +		Sensor type selection.
> +
> +		Integers 1 to 6
> +
> +		RW
> +
> +		- 1: CPU embedded diode
> +		- 2: 3904 transistor
> +		- 3: thermal diode
> +		- 4: thermistor
> +		- 5: AMD AMDSI
> +		- 6: Intel PECI
> +
> +		Not all types are supported by all chips
> +
> +What:		/sys/class/hwmon/hwmonX/tempY_max
> +Description:
> +		Temperature max value.
> +
> +		Unit: millidegree Celsius (or millivolt, see below)
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/tempY_min
> +Description:
> +		Temperature min value.
> +
> +		Unit: millidegree Celsius
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/tempY_max_hyst
> +Description:
> +		Temperature hysteresis value for max limit.
> +
> +		Unit: millidegree Celsius
> +
> +		Must be reported as an absolute temperature, NOT a delta
> +		from the max value.
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/tempY_min_hyst
> +Description:
> +		Temperature hysteresis value for min limit.
> +		Unit: millidegree Celsius
> +
> +		Must be reported as an absolute temperature, NOT a delta
> +		from the min value.
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/tempY_input
> +Description:
> +		Temperature input value.
> +
> +		Unit: millidegree Celsius
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/tempY_crit
> +Description:
> +		Temperature critical max value, typically greater than
> +		corresponding temp_max values.
> +
> +		Unit: millidegree Celsius
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/tempY_crit_hyst
> +Description:
> +		Temperature hysteresis value for critical limit.
> +
> +		Unit: millidegree Celsius
> +
> +		Must be reported as an absolute temperature, NOT a delta
> +		from the critical value.
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/tempY_emergency
> +Description:
> +		Temperature emergency max value, for chips supporting more than
> +		two upper temperature limits. Must be equal or greater than
> +		corresponding temp_crit values.
> +
> +		Unit: millidegree Celsius
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/tempY_emergency_hyst
> +Description:
> +		Temperature hysteresis value for emergency limit.
> +
> +		Unit: millidegree Celsius
> +
> +		Must be reported as an absolute temperature, NOT a delta
> +		from the emergency value.
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/tempY_lcrit
> +Description:
> +		Temperature critical min value, typically lower than
> +		corresponding temp_min values.
> +
> +		Unit: millidegree Celsius
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/tempY_lcrit_hyst
> +Description:
> +		Temperature hysteresis value for critical min limit.
> +
> +		Unit: millidegree Celsius
> +
> +		Must be reported as an absolute temperature, NOT a delta
> +		from the critical min value.
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/tempY_offset
> +Description:
> +		Temperature offset which is added to the temperature reading
> +		by the chip.
> +
> +		Unit: millidegree Celsius
> +
> +		Read/Write value.
> +
> +What:		/sys/class/hwmon/hwmonX/tempY_label
> +Description:
> +		Suggested temperature channel label.
> +
> +		Text string
> +
> +		Should only be created if the driver has hints about what
> +		this temperature channel is being used for, and user-space
> +		doesn't. In all other cases, the label is provided by
> +		user-space.
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/tempY_lowest
> +Description:
> +		Historical minimum temperature
> +
> +		Unit: millidegree Celsius
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/tempY_highest
> +Description:
> +		Historical maximum temperature
> +
> +		Unit: millidegree Celsius
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/tempY_reset_history
> +Description:
> +		Reset temp_lowest and temp_highest
> +
> +		WO
> +
> +What:		/sys/class/hwmon/hwmonX/temp_reset_history
> +Description:
> +		Reset temp_lowest and temp_highest for all sensors
> +
> +		WO
> +
> +What:		/sys/class/hwmon/hwmonX/tempY_enable
> +Description:
> +		Enable or disable the sensors.
> +
> +		When disabled the sensor read will return -ENODATA.
> +
> +		- 1: Enable
> +		- 0: Disable
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/tempY_rated_min
> +Description:
> +		Minimum rated temperature.
> +
> +		Unit: millidegree Celsius
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/tempY_rated_max
> +Description:
> +		Maximum rated temperature.
> +
> +		Unit: millidegree Celsius
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/currY_max
> +Description:
> +		Current max value
> +
> +		Unit: milliampere
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/currY_min
> +Description:
> +		Current min value.
> +
> +		Unit: milliampere
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/currY_lcrit
> +Description:
> +		Current critical low value
> +
> +		Unit: milliampere
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/currY_crit
> +Description:
> +		Current critical high value.
> +
> +		Unit: milliampere
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/currY_input
> +Description:
> +		Current input value
> +
> +		Unit: milliampere
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/currY_average
> +Description:
> +		Average current use
> +
> +		Unit: milliampere
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/currY_lowest
> +Description:
> +		Historical minimum current
> +
> +		Unit: milliampere
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/currY_highest
> +Description:
> +		Historical maximum current
> +		Unit: milliampere
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/currY_reset_history
> +Description:
> +		Reset currX_lowest and currX_highest
> +
> +		WO
> +
> +What:		/sys/class/hwmon/hwmonX/curr_reset_history
> +Description:
> +		Reset currX_lowest and currX_highest for all sensors
> +
> +		WO
> +
> +What:		/sys/class/hwmon/hwmonX/currY_enable
> +Description:
> +		Enable or disable the sensors.
> +
> +		When disabled the sensor read will return -ENODATA.
> +
> +		- 1: Enable
> +		- 0: Disable
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/currY_rated_min
> +Description:
> +		Minimum rated current.
> +
> +		Unit: milliampere
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/currY_rated_max
> +Description:
> +		Maximum rated current.
> +
> +		Unit: milliampere
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/powerY_average
> +Description:
> +		Average power use
> +
> +		Unit: microWatt
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/powerY_average_interval
> +Description:
> +		Power use averaging interval.  A poll
> +		notification is sent to this file if the
> +		hardware changes the averaging interval.
> +
> +		Unit: milliseconds
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/powerY_average_interval_max
> +Description:
> +		Maximum power use averaging interval
> +
> +		Unit: milliseconds
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/powerY_average_interval_min
> +Description:
> +		Minimum power use averaging interval
> +
> +		Unit: milliseconds
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/powerY_average_highest
> +Description:
> +		Historical average maximum power use
> +
> +		Unit: microWatt
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/powerY_average_lowest
> +Description:
> +		Historical average minimum power use
> +
> +		Unit: microWatt
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/powerY_average_max
> +Description:
> +		A poll notification is sent to
> +		`powerY_average` when power use
> +		rises above this value.
> +
> +		Unit: microWatt
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/powerY_average_min
> +Description:
> +		A poll notification is sent to
> +		`powerY_average` when power use
> +		sinks below this value.
> +
> +		Unit: microWatt
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/powerY_input
> +Description:
> +		Instantaneous power use
> +
> +		Unit: microWatt
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/powerY_input_highest
> +Description:
> +		Historical maximum power use
> +
> +		Unit: microWatt
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/powerY_input_lowest
> +Description:
> +		Historical minimum power use
> +
> +		Unit: microWatt
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/powerY_reset_history
> +Description:
> +		Reset input_highest, input_lowest,
> +		average_highest and average_lowest.
> +
> +		WO
> +
> +What:		/sys/class/hwmon/hwmonX/powerY_accuracy
> +Description:
> +		Accuracy of the power meter.
> +
> +		Unit: Percent
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/powerY_cap
> +Description:
> +		If power use rises above this limit, the
> +		system should take action to reduce power use.
> +		A poll notification is sent to this file if the
> +		cap is changed by the hardware.  The `*_cap`
> +		files only appear if the cap is known to be
> +		enforced by hardware.
> +
> +		Unit: microWatt
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/powerY_cap_hyst
> +Description:
> +		Margin of hysteresis built around capping and
> +		notification.
> +
> +		Unit: microWatt
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/powerY_cap_max
> +Description:
> +		Maximum cap that can be set.
> +
> +		Unit: microWatt
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/powerY_cap_min
> +Description:
> +		Minimum cap that can be set.
> +
> +		Unit: microWatt
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/powerY_max
> +Description:
> +		Maximum power.
> +
> +		Unit: microWatt
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/powerY_crit
> +Description:
> +		Critical maximum power.
> +
> +		If power rises to or above this limit, the
> +		system is expected take drastic action to reduce
> +		power consumption, such as a system shutdown or
> +		a forced powerdown of some devices.
> +
> +		Unit: microWatt
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/powerY_enable
> +Description:
> +		Enable or disable the sensors.
> +
> +		When disabled the sensor read will return
> +		-ENODATA.
> +
> +		- 1: Enable
> +		- 0: Disable
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/powerY_rated_min
> +Description:
> +		Minimum rated power.
> +
> +		Unit: microWatt
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/powerY_rated_max
> +Description:
> +		Maximum rated power.
> +
> +		Unit: microWatt
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/energyY_input
> +Description:
> +		Cumulative energy use
> +
> +		Unit: microJoule
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/energyY_enable
> +Description:
> +		Enable or disable the sensors.
> +
> +		When disabled the sensor read will return
> +		-ENODATA.
> +
> +		- 1: Enable
> +		- 0: Disable
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/humidityY_input
> +Description:
> +		Humidity
> +
> +		Unit: milli-percent (per cent mille, pcm)
> +
> +		RO
> +
> +
> +What:		/sys/class/hwmon/hwmonX/humidityY_enable
> +Description:
> +		Enable or disable the sensors
> +
> +		When disabled the sensor read will return
> +		-ENODATA.
> +
> +		- 1: Enable
> +		- 0: Disable
> +
> +		RW
> +
> +What:		/sys/class/hwmon/hwmonX/humidityY_rated_min
> +Description:
> +		Minimum rated humidity.
> +
> +		Unit: milli-percent (per cent mille, pcm)
> +
> +		RO
> +
> +What:		/sys/class/hwmon/hwmonX/humidityY_rated_max
> +Description:
> +		Maximum rated humidity.
> +
> +		Unit: milli-percent (per cent mille, pcm)
> +
> +		RO
> +
> +
> +What:		/sys/class/hwmon/hwmonX/intrusionY_alarm
> +Description:
> +		Chassis intrusion detection
> +
> +		- 0: OK
> +		- 1: intrusion detected
> +
> +		RW
> +
> +		Contrary to regular alarm flags which clear themselves
> +		automatically when read, this one sticks until cleared by
> +		the user. This is done by writing 0 to the file. Writing
> +		other values is unsupported.
> +
> +What:		/sys/class/hwmon/hwmonX/intrusionY_beep
> +Description:
> +		Chassis intrusion beep
> +
> +		- 0: disable
> +		- 1: enable
> +
> +		RW
> diff --git a/Documentation/hwmon/sysfs-interface.rst b/Documentation/hwmon/sysfs-interface.rst
> index 13c5acb72d63..85652a6aaa3e 100644
> --- a/Documentation/hwmon/sysfs-interface.rst
> +++ b/Documentation/hwmon/sysfs-interface.rst
> @@ -89,6 +89,8 @@ hardware implementation.
>   All entries (except name) are optional, and should only be created in a
>   given driver if the chip has the feature.
>   
> +See Documentation/ABI/testing/sysfs-class-hwmon for a complete description
> +of the attributes.
>   
>   *****************
>   Global attributes
> @@ -96,22 +98,9 @@ Global attributes
>   
>   `name`
>   		The chip name.
> -		This should be a short, lowercase string, not containing
> -		whitespace, dashes, or the wildcard character '*'.
> -		This attribute represents the chip name. It is the only
> -		mandatory attribute.
> -		I2C devices get this attribute created automatically.
> -
> -		RO
>   
>   `update_interval`
>   		The interval at which the chip will update readings.
> -		Unit: millisecond
> -
> -		RW
> -
> -		Some devices have a variable update rate or interval.
> -		This attribute can be used to change it to the desired value.
>   
>   
>   ********
> @@ -121,148 +110,51 @@ Voltages
>   `in[0-*]_min`
>   		Voltage min value.
>   
> -		Unit: millivolt
> -
> -		RW
> -
>   `in[0-*]_lcrit`
>   		Voltage critical min value.
>   
> -		Unit: millivolt
> -
> -		RW
> -
> -		If voltage drops to or below this limit, the system may
> -		take drastic action such as power down or reset. At the very
> -		least, it should report a fault.
> -
>   `in[0-*]_max`
>   		Voltage max value.
>   
> -		Unit: millivolt
> -
> -		RW
> -
>   `in[0-*]_crit`
>   		Voltage critical max value.
>   
> -		Unit: millivolt
> -
> -		RW
> -
> -		If voltage reaches or exceeds this limit, the system may
> -		take drastic action such as power down or reset. At the very
> -		least, it should report a fault.
> -
>   `in[0-*]_input`
>   		Voltage input value.
>   
> -		Unit: millivolt
> -
> -		RO
> -
> -		Voltage measured on the chip pin.
> -
> -		Actual voltage depends on the scaling resistors on the
> -		motherboard, as recommended in the chip datasheet.
> -
> -		This varies by chip and by motherboard.
> -		Because of this variation, values are generally NOT scaled
> -		by the chip driver, and must be done by the application.
> -		However, some drivers (notably lm87 and via686a)
> -		do scale, because of internal resistors built into a chip.
> -		These drivers will output the actual voltage. Rule of
> -		thumb: drivers should report the voltage values at the
> -		"pins" of the chip.
> -
>   `in[0-*]_average`
>   		Average voltage
>   
> -		Unit: millivolt
> -
> -		RO
> -
>   `in[0-*]_lowest`
>   		Historical minimum voltage
>   
> -		Unit: millivolt
> -
> -		RO
> -
>   `in[0-*]_highest`
>   		Historical maximum voltage
>   
> -		Unit: millivolt
> -
> -		RO
> -
>   `in[0-*]_reset_history`
>   		Reset inX_lowest and inX_highest
>   
> -		WO
> -
>   `in_reset_history`
>   		Reset inX_lowest and inX_highest for all sensors
>   
> -		WO
> -
>   `in[0-*]_label`
>   		Suggested voltage channel label.
>   
> -		Text string
> -
> -		Should only be created if the driver has hints about what
> -		this voltage channel is being used for, and user-space
> -		doesn't. In all other cases, the label is provided by
> -		user-space.
> -
> -		RO
> -
>   `in[0-*]_enable`
>   		Enable or disable the sensors.
>   
> -		When disabled the sensor read will return -ENODATA.
> -
> -		- 1: Enable
> -		- 0: Disable
> -
> -		RW
> -
>   `cpu[0-*]_vid`
>   		CPU core reference voltage.
>   
> -		Unit: millivolt
> -
> -		RO
> -
> -		Not always correct.
> -
>   `vrm`
>   		Voltage Regulator Module version number.
>   
> -		RW (but changing it should no more be necessary)
> -
> -		Originally the VRM standard version multiplied by 10, but now
> -		an arbitrary number, as not all standards have a version
> -		number.
> -
> -		Affects the way the driver calculates the CPU core reference
> -		voltage from the vid pins.
> -
>   `in[0-*]_rated_min`
>   		Minimum rated voltage.
>   
> -		Unit: millivolt
> -
> -		RO
> -
>   `in[0-*]_rated_max`
>   		Maximum rated voltage.
>   
> -		Unit: millivolt
> -
> -		RO
> -
>   Also see the Alarms section for status flags associated with voltages.
>   
>   
> @@ -273,83 +165,27 @@ Fans
>   `fan[1-*]_min`
>   		Fan minimum value
>   
> -		Unit: revolution/min (RPM)
> -
> -		RW
> -
>   `fan[1-*]_max`
>   		Fan maximum value
>   
> -		Unit: revolution/min (RPM)
> -
> -		Only rarely supported by the hardware.
> -		RW
> -
>   `fan[1-*]_input`
>   		Fan input value.
>   
> -		Unit: revolution/min (RPM)
> -
> -		RO
> -
>   `fan[1-*]_div`
>   		Fan divisor.
>   
> -		Integer value in powers of two (1, 2, 4, 8, 16, 32, 64, 128).
> -
> -		RW
> -
> -		Some chips only support values 1, 2, 4 and 8.
> -		Note that this is actually an internal clock divisor, which
> -		affects the measurable speed range, not the read value.
> -
>   `fan[1-*]_pulses`
>   		Number of tachometer pulses per fan revolution.
>   
> -		Integer value, typically between 1 and 4.
> -
> -		RW
> -
> -		This value is a characteristic of the fan connected to the
> -		device's input, so it has to be set in accordance with the fan
> -		model.
> -
> -		Should only be created if the chip has a register to configure
> -		the number of pulses. In the absence of such a register (and
> -		thus attribute) the value assumed by all devices is 2 pulses
> -		per fan revolution.
> -
>   `fan[1-*]_target`
>   		Desired fan speed
>   
> -		Unit: revolution/min (RPM)
> -
> -		RW
> -
> -		Only makes sense if the chip supports closed-loop fan speed
> -		control based on the measured fan speed.
> -
>   `fan[1-*]_label`
>   		Suggested fan channel label.
>   
> -		Text string
> -
> -		Should only be created if the driver has hints about what
> -		this fan channel is being used for, and user-space doesn't.
> -		In all other cases, the label is provided by user-space.
> -
> -		RO
> -
>   `fan[1-*]_enable`
>   		Enable or disable the sensors.
>   
> -		When disabled the sensor read will return -ENODATA.
> -
> -		- 1: Enable
> -		- 0: Disable
> -
> -		RW
> -
>   Also see the Alarms section for status flags associated with fans.
>   
>   
> @@ -360,63 +196,25 @@ PWM
>   `pwm[1-*]`
>   		Pulse width modulation fan control.
>   
> -		Integer value in the range 0 to 255
> -
> -		RW
> -
> -		255 is max or 100%.
> -
>   `pwm[1-*]_enable`
>   		Fan speed control method:
>   
> -		- 0: no fan speed control (i.e. fan at full speed)
> -		- 1: manual fan speed control enabled (using `pwm[1-*]`)
> -		- 2+: automatic fan speed control enabled
> -
> -		Check individual chip documentation files for automatic mode
> -		details.
> -
> -		RW
> -
>   `pwm[1-*]_mode`
> -		- 0: DC mode (direct current)
> -		- 1: PWM mode (pulse-width modulation)
> -
> -		RW
> +		direct current or pulse-width modulation.
>   
>   `pwm[1-*]_freq`
>   		Base PWM frequency in Hz.
>   
> -		Only possibly available when pwmN_mode is PWM, but not always
> -		present even then.
> -
> -		RW
> -
>   `pwm[1-*]_auto_channels_temp`
>   		Select which temperature channels affect this PWM output in
>   		auto mode.
>   
> -		Bitfield, 1 is temp1, 2 is temp2, 4 is temp3 etc...
> -		Which values are possible depend on the chip used.
> -
> -		RW
> -
>   `pwm[1-*]_auto_point[1-*]_pwm` / `pwm[1-*]_auto_point[1-*]_temp` / `pwm[1-*]_auto_point[1-*]_temp_hyst`
>   		Define the PWM vs temperature curve.
>   
> -		Number of trip points is chip-dependent. Use this for chips
> -		which associate trip points to PWM output channels.
> -
> -		RW
> -
>   `temp[1-*]_auto_point[1-*]_pwm` / `temp[1-*]_auto_point[1-*]_temp` / `temp[1-*]_auto_point[1-*]_temp_hyst`
>   		Define the PWM vs temperature curve.
>   
> -		Number of trip points is chip-dependent. Use this for chips
> -		which associate trip points to temperature channels.
> -
> -		RW
> -
>   There is a third case where trip points are associated to both PWM output
>   channels and temperature channels: the PWM values are associated to PWM
>   output channels while the temperature values are associated to temperature
> @@ -434,182 +232,70 @@ Temperatures
>   `temp[1-*]_type`
>   		Sensor type selection.
>   
> -		Integers 1 to 6
> -
> -		RW
> -
> -		- 1: CPU embedded diode
> -		- 2: 3904 transistor
> -		- 3: thermal diode
> -		- 4: thermistor
> -		- 5: AMD AMDSI
> -		- 6: Intel PECI
> -
> -		Not all types are supported by all chips
> -
>   `temp[1-*]_max`
>   		Temperature max value.
>   
> -		Unit: millidegree Celsius (or millivolt, see below)
> -
> -		RW
> -
>   `temp[1-*]_min`
>   		Temperature min value.
>   
> -		Unit: millidegree Celsius
> -
> -		RW
> -
>   `temp[1-*]_max_hyst`
>   		Temperature hysteresis value for max limit.
>   
> -		Unit: millidegree Celsius
> -
> -		Must be reported as an absolute temperature, NOT a delta
> -		from the max value.
> -
> -		RW
> -
>   `temp[1-*]_min_hyst`
>   		Temperature hysteresis value for min limit.
> -		Unit: millidegree Celsius
> -
> -		Must be reported as an absolute temperature, NOT a delta
> -		from the min value.
> -
> -		RW
>   
>   `temp[1-*]_input`
> -	 Temperature input value.
> -
> -		Unit: millidegree Celsius
> -
> -		RO
> +		Temperature input value.
>   
>   `temp[1-*]_crit`
>   		Temperature critical max value, typically greater than
>   		corresponding temp_max values.
>   
> -		Unit: millidegree Celsius
> -
> -		RW
> -
>   `temp[1-*]_crit_hyst`
>   		Temperature hysteresis value for critical limit.
>   
> -		Unit: millidegree Celsius
> -
> -		Must be reported as an absolute temperature, NOT a delta
> -		from the critical value.
> -
> -		RW
> -
>   `temp[1-*]_emergency`
>   		Temperature emergency max value, for chips supporting more than
> -		two upper temperature limits. Must be equal or greater than
> -		corresponding temp_crit values.
> -
> -		Unit: millidegree Celsius
> -
> -		RW
> +		two upper temperature limits.
>   
>   `temp[1-*]_emergency_hyst`
>   		Temperature hysteresis value for emergency limit.
>   
> -		Unit: millidegree Celsius
> -
> -		Must be reported as an absolute temperature, NOT a delta
> -		from the emergency value.
> -
> -		RW
> -
>   `temp[1-*]_lcrit`
>   		Temperature critical min value, typically lower than
>   		corresponding temp_min values.
>   
> -		Unit: millidegree Celsius
> -
> -		RW
> -
>   `temp[1-*]_lcrit_hyst`
>   		Temperature hysteresis value for critical min limit.
>   
> -		Unit: millidegree Celsius
> -
> -		Must be reported as an absolute temperature, NOT a delta
> -		from the critical min value.
> -
> -		RW
> -
>   `temp[1-*]_offset`
>   		Temperature offset which is added to the temperature reading
>   		by the chip.
>   
> -		Unit: millidegree Celsius
> -
> -		Read/Write value.
> -
>   `temp[1-*]_label`
>   		Suggested temperature channel label.
>   
> -		Text string
> -
> -		Should only be created if the driver has hints about what
> -		this temperature channel is being used for, and user-space
> -		doesn't. In all other cases, the label is provided by
> -		user-space.
> -
> -		RO
> -
>   `temp[1-*]_lowest`
>   		Historical minimum temperature
>   
> -		Unit: millidegree Celsius
> -
> -		RO
> -
>   `temp[1-*]_highest`
>   		Historical maximum temperature
>   
> -		Unit: millidegree Celsius
> -
> -		RO
> -
>   `temp[1-*]_reset_history`
>   		Reset temp_lowest and temp_highest
>   
> -		WO
> -
>   `temp_reset_history`
>   		Reset temp_lowest and temp_highest for all sensors
>   
> -		WO
> -
>   `temp[1-*]_enable`
>   		Enable or disable the sensors.
>   
> -		When disabled the sensor read will return -ENODATA.
> -
> -		- 1: Enable
> -		- 0: Disable
> -
> -		RW
> -
>   `temp[1-*]_rated_min`
>   		Minimum rated temperature.
>   
> -		Unit: millidegree Celsius
> -
> -		RO
> -
>   `temp[1-*]_rated_max`
>   		Maximum rated temperature.
>   
> -		Unit: millidegree Celsius
> -
> -		RO
> -
>   Some chips measure temperature using external thermistors and an ADC, and
>   report the temperature measurement as a voltage. Converting this voltage
>   back to a temperature (or the other way around for limits) requires
> @@ -627,58 +313,28 @@ Currents
>   ********
>   
>   `curr[1-*]_max`
> -		Current max value
> -
> -		Unit: milliampere
> -
> -		RW
> +		Current max value.
>   
>   `curr[1-*]_min`
>   		Current min value.
>   
> -		Unit: milliampere
> -
> -		RW
> -
>   `curr[1-*]_lcrit`
>   		Current critical low value
>   
> -		Unit: milliampere
> -
> -		RW
> -
>   `curr[1-*]_crit`
>   		Current critical high value.
>   
> -		Unit: milliampere
> -
> -		RW
> -
>   `curr[1-*]_input`
> -		Current input value
> -
> -		Unit: milliampere
> -
> -		RO
> +		Current input value.
>   
>   `curr[1-*]_average`
> -		Average current use
> -
> -		Unit: milliampere
> -
> -		RO
> +		Average current use.
>   
>   `curr[1-*]_lowest`
> -		Historical minimum current
> -
> -		Unit: milliampere
> -
> -		RO
> +		Historical minimum current.
>   
>   `curr[1-*]_highest`
> -		Historical maximum current
> -		Unit: milliampere
> -		RO
> +		Historical maximum current.
>   
>   `curr[1-*]_reset_history`
>   		Reset currX_lowest and currX_highest
> @@ -686,34 +342,17 @@ Currents
>   		WO
>   
>   `curr_reset_history`
> -		Reset currX_lowest and currX_highest for all sensors
> -
> -		WO
> +		Reset currX_lowest and currX_highest for all sensors.
>   
>   `curr[1-*]_enable`
>   		Enable or disable the sensors.
>   
> -		When disabled the sensor read will return -ENODATA.
> -
> -		- 1: Enable
> -		- 0: Disable
> -
> -		RW
> -
>   `curr[1-*]_rated_min`
>   		Minimum rated current.
>   
> -		Unit: milliampere
> -
> -		RO
> -
>   `curr[1-*]_rated_max`
>   		Maximum rated current.
>   
> -		Unit: milliampere
> -
> -		RO
> -
>   Also see the Alarms section for status flags associated with currents.
>   
>   *****
> @@ -721,141 +360,62 @@ Power
>   *****
>   
>   `power[1-*]_average`
> -				Average power use
> -
> -				Unit: microWatt
> -
> -				RO
> +		Average power use.
>   
>   `power[1-*]_average_interval`
> -				Power use averaging interval.  A poll
> -				notification is sent to this file if the
> -				hardware changes the averaging interval.
> -
> -				Unit: milliseconds
> -
> -				RW
> +		Power use averaging interval.
>   
>   `power[1-*]_average_interval_max`
> -				Maximum power use averaging interval
> -
> -				Unit: milliseconds
> -
> -				RO
> +		Maximum power use averaging interval.
>   
>   `power[1-*]_average_interval_min`
> -				Minimum power use averaging interval
> -
> -				Unit: milliseconds
> -
> -				RO
> +		Minimum power use averaging interval.
>   
>   `power[1-*]_average_highest`
> -				Historical average maximum power use
> -
> -				Unit: microWatt
> -
> -				RO
> +		Historical average maximum power use
>   
>   `power[1-*]_average_lowest`
> -				Historical average minimum power use
> -
> -				Unit: microWatt
> -
> -				RO
> +		Historical average minimum power use
>   
>   `power[1-*]_average_max`
> -				A poll notification is sent to
> -				`power[1-*]_average` when power use
> -				rises above this value.
> -
> -				Unit: microWatt
> -
> -				RW
> +		A poll notification is sent to `power[1-*]_average` when
> +		power use rises above this value.
>   
>   `power[1-*]_average_min`
> -				A poll notification is sent to
> -				`power[1-*]_average` when power use
> -				sinks below this value.
> -
> -				Unit: microWatt
> -
> -				RW
> +		A poll notification is sent to `power[1-*]_average` when
> +		power use sinks below this value.
>   
>   `power[1-*]_input`
> -				Instantaneous power use
> -
> -				Unit: microWatt
> -
> -				RO
> +		Instantaneous power use.
>   
>   `power[1-*]_input_highest`
> -				Historical maximum power use
> -
> -				Unit: microWatt
> -
> -				RO
> +		Historical maximum power use
>   
>   `power[1-*]_input_lowest`
> -				Historical minimum power use
> -
> -				Unit: microWatt
> -
> -				RO
> +		Historical minimum power use.
>   
>   `power[1-*]_reset_history`
> -				Reset input_highest, input_lowest,
> -				average_highest and average_lowest.
> -
> -				WO
> +		Reset input_highest, input_lowest, average_highest and
> +		average_lowest.
>   
>   `power[1-*]_accuracy`
> -				Accuracy of the power meter.
> -
> -				Unit: Percent
> -
> -				RO
> +		Accuracy of the power meter.
>   
>   `power[1-*]_cap`
> -				If power use rises above this limit, the
> -				system should take action to reduce power use.
> -				A poll notification is sent to this file if the
> -				cap is changed by the hardware.  The `*_cap`
> -				files only appear if the cap is known to be
> -				enforced by hardware.
> -
> -				Unit: microWatt
> -
> -				RW
> +		If power use rises above this limit, the
> +		system should take action to reduce power use.
>   
>   `power[1-*]_cap_hyst`
> -				Margin of hysteresis built around capping and
> -				notification.
> -
> -				Unit: microWatt
> -
> -				RW
> +		Margin of hysteresis built around capping and notification.
>   
>   `power[1-*]_cap_max`
> -				Maximum cap that can be set.
> -
> -				Unit: microWatt
> -
> -				RO
> +		Maximum cap that can be set.
>   
>   `power[1-*]_cap_min`
> -				Minimum cap that can be set.
> -
> -				Unit: microWatt
> -
> -				RO
> +		Minimum cap that can be set.
>   
>   `power[1-*]_max`
> -				Maximum power.
> -
> -				Unit: microWatt
> -
> -				RW
> +		Maximum power.
>   
>   `power[1-*]_crit`
>   				Critical maximum power.
> @@ -923,37 +483,16 @@ Humidity
>   ********
>   
>   `humidity[1-*]_input`
> -				Humidity
> -
> -				Unit: milli-percent (per cent mille, pcm)
> -
> -				RO
> -
> +		Humidity.
>   
>   `humidity[1-*]_enable`
> -				Enable or disable the sensors
> -
> -				When disabled the sensor read will return
> -				-ENODATA.
> -
> -				- 1: Enable
> -				- 0: Disable
> -
> -				RW
> +		Enable or disable the sensors.
>   
>   `humidity[1-*]_rated_min`
> -				Minimum rated humidity.
> -
> -				Unit: milli-percent (per cent mille, pcm)
> -
> -				RO
> +		Minimum rated humidity.
>   
>   `humidity[1-*]_rated_max`
> -				Maximum rated humidity.
> -
> -				Unit: milli-percent (per cent mille, pcm)
> -
> -				RO
> +		Maximum rated humidity.
>   
>   ******
>   Alarms
> @@ -1004,30 +543,15 @@ supports it. When this boolean has value 1, the measurement for that
>   channel should not be trusted.
>   
>   `fan[1-*]_fault` / `temp[1-*]_fault`
> -		Input fault condition
> -
> -		- 0: no fault occurred
> -		- 1: fault condition
> -
> -		RO
> +		Input fault condition.
>   
>   Some chips also offer the possibility to get beeped when an alarm occurs:
>   
>   `beep_enable`
> -		Master beep enable
> -
> -		- 0: no beeps
> -		- 1: beeps
> -
> -		RW
> +		Master beep enable.
>   
>   `in[0-*]_beep`, `curr[1-*]_beep`, `fan[1-*]_beep`, `temp[1-*]_beep`,
> -		Channel beep
> -
> -		- 0: disable
> -		- 1: enable
> -
> -		RW
> +		Channel beep.
>   
>   In theory, a chip could provide per-limit beep masking, but no such chip
>   was seen so far.
> @@ -1039,29 +563,8 @@ for compatibility reasons:
>   `alarms`
>   		Alarm bitmask.
>   
> -		RO
> -
> -		Integer representation of one to four bytes.
> -
> -		A '1' bit means an alarm.
> -
> -		Chips should be programmed for 'comparator' mode so that
> -		the alarm will 'come back' after you read the register
> -		if it is still valid.
> -
> -		Generally a direct representation of a chip's internal
> -		alarm registers; there is no standard for the position
> -		of individual bits. For this reason, the use of this
> -		interface file for new drivers is discouraged. Use
> -		`individual *_alarm` and `*_fault` files instead.
> -		Bits are defined in kernel/include/sensors.h.
> -
>   `beep_mask`
>   		Bitmask for beep.
> -		Same format as 'alarms' with the same bit locations,
> -		use discouraged for the same reason. Use individual
> -		`*_beep` files instead.
> -		RW
>   
>   
>   *******************
> @@ -1069,25 +572,10 @@ Intrusion detection
>   *******************
>   
>   `intrusion[0-*]_alarm`
> -		Chassis intrusion detection
> -
> -		- 0: OK
> -		- 1: intrusion detected
> -
> -		RW
> -
> -		Contrary to regular alarm flags which clear themselves
> -		automatically when read, this one sticks until cleared by
> -		the user. This is done by writing 0 to the file. Writing
> -		other values is unsupported.
> +		Chassis intrusion detection.
>   
>   `intrusion[0-*]_beep`
> -		Chassis intrusion beep
> -
> -		0: disable
> -		1: enable
> -
> -		RW
> +		Chassis intrusion beep.
>   
>   ****************************
>   Average sample configuration
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 179eadaebe76..e9fd362ef4d6 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -8274,6 +8274,7 @@ L:	linux-hwmon@...r.kernel.org
>   S:	Maintained
>   W:	http://hwmon.wiki.kernel.org/
>   T:	git git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git
> +F:	Documentation/ABI/testing/sysfs-class-hwmon
>   F:	Documentation/devicetree/bindings/hwmon/
>   F:	Documentation/hwmon/
>   F:	drivers/hwmon/
> 

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