Re: [PATCH 3/3] thermal/drivers/intel: Use generic trip points for intel_soc_dts_iosf

[Daniel Lezcano <daniel.lezcano@linaro.org>]

Hi Rafael,


On 26/01/2023 17:47, Rafael J. Wysocki wrote:
> On Wed, Jan 18, 2023 at 7:16 PM Daniel Lezcano
> <daniel.lezcano@linaro.org> wrote:
>>
>> From: Daniel Lezcano <daniel.lezcano@kernel.org>
>>
>> The thermal framework gives the possibility to register the trip
>> points with the thermal zone. When that is done, no get_trip_* ops are
>> needed and they can be removed.
>>
>> Convert ops content logic into generic trip points and register them with the
>> thermal zone.
>>
>> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
>> ---

[ ... ]

>> @@ -173,8 +166,13 @@ static int update_trip_temp(struct intel_soc_dts_sensor_entry *dts,
>>          if (status)
>>                  goto err_restore_te_out;
>>
>> -       dts->trip_types[thres_index] = trip_type;
>> -
>> +       status = get_trip_temp(sensors, thres_index, &temp);
>> +       if (status)
>> +               goto err_restore_te_out;
>> +
>> +       dts->trips[thres_index].type = trip_type;
>> +       dts->trips[thres_index].temperature = temp;
> 
> This change doesn't look correct to me, because this function takes
> temp as an argument and it is used to populate the trip with it at
> least in some cases.
> 
> Why should temp be overwritten here?

You are correct. This is wrong.

I think we should call get_trip_temp() before calling update_trip_temp() 
instead of passing a zero temperature parameter


-- 
<http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs

Follow Linaro:  <http://www.facebook.com/pages/Linaro> Facebook |
<http://twitter.com/#!/linaroorg> Twitter |
<http://www.linaro.org/linaro-blog/> Blog