Re: [PATCH v1 17/33] thermal/drivers/rcar: Switch to new of API

From: Niklas Söderlund
Date: Sun Jul 24 2022 - 15:01:22 EST


Hi Daniel,

On 2022-07-24 20:27:54 +0200, Daniel Lezcano wrote:
>
> Hi Niklas,
>
> I tried to reproduce the issue but without success.
>
> What sensor are you using ?

I was using rcar_gen3_thermal.

I did my tests starting on v5.19-rc7 and then picked '[PATCH v5 00/12]
thermal OF rework' from [1] and finally applied this full series on-top
of that. If you have a branch or some specific test you wish me to try
I'm happy to so.

1. https://lore.kernel.org/lkml/20220710123512.1714714-1-daniel.lezcano@xxxxxxxxxx/

>
>
> On 19/07/2022 11:10, Niklas Söderlund wrote:
> > Hi Daniel,
> >
> > Thanks for your work.
> >
> > On 2022-07-10 23:24:07 +0200, Daniel Lezcano wrote:
> > > The thermal OF code has a new API allowing to migrate the OF
> > > initialization to a simpler approach.
> > >
> > > Use this new API.
> > I tested this together with the series it depends on and while
> > temperature monitoring seems to work fine it breaks the emul_temp
> > interface (/sys/class/thermal/thermal_zone2/emul_temp).
> >
> > Before this change I can write a temperature to this file and have it
> > trigger actions, in my test-case changing the cooling state, which I
> > observe in /sys/class/thermal/cooling_device0/cur_state.
> >
> > Likewise before this change I could trip the critical trip-point that
> > would power off the board using the emul_temp interface, this too no
> > longer works,
> >
> > echo 120000 > /sys/class/thermal/thermal_zone2/emul_temp
> >
> > Is this an intention change of the new API?
>
>
>
>

--
Kind Regards,
Niklas Söderlund