Re: [RESEND] thermal: hwmon: Properly report critical temperature in sysfs

From: Krzysztof Kozlowski
Date: Thu Dec 29 2016 - 06:45:58 EST


On Thu, Dec 29, 2016 at 1:43 PM, Zhang Rui <rui.zhang@xxxxxxxxx> wrote:
> On Wed, 2016-12-28 at 19:35 +0200, Krzysztof Kozlowski wrote:
>> In the critical sysfs entry the thermal hwmon was returning wrong
>> temperature to the user-space. It was reporting the temperature of
>> the
>> first trip point instead of the temperature of critical trip point.
>>
>> For example:
>> /sys/class/hwmon/hwmon0/temp1_crit:50000
>> /sys/class/thermal/thermal_zone0/trip_point_0_temp:50000
>> /sys/class/thermal/thermal_zone0/trip_point_0_type:active
>> /sys/class/thermal/thermal_zone0/trip_point_3_temp:120000
>> /sys/class/thermal/thermal_zone0/trip_point_3_type:critical
>>
>> Since commit e68b16abd91d ("thermal: add hwmon sysfs I/F") the driver
>> have been registering a sysfs entry if get_crit_temp() callback was
>> provided. However when accessed, it was calling get_trip_temp()
>> instead
>> of the get_crit_temp().
>>
>> Fixes: e68b16abd91d ("thermal: add hwmon sysfs I/F")
>> Cc: <stable@xxxxxxxxxxxxxxx>
>> Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
>
> The patch is already in upstream kernel.
>
> thanks,
> rui

Ahh, indeed.

Thanks!
Krzysztof