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
> ---
> drivers/thermal/thermal_hwmon.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/thermal/thermal_hwmon.c
> b/drivers/thermal/thermal_hwmon.c
> index c41c7742903a..2dcd4194d103 100644
> --- a/drivers/thermal/thermal_hwmon.c
> +++ b/drivers/thermal/thermal_hwmon.c
> @@ -98,7 +98,7 @@ temp_crit_show(struct device *dev, struct
> device_attribute *attr, char *buf)
> int temperature;
> int ret;
>
> - ret = tz->ops->get_trip_temp(tz, 0, &temperature);
> + ret = tz->ops->get_crit_temp(tz, &temperature);
> if (ret)
> return ret;
>
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