Re: [PATCH V2] thermal/drivers/hisi: Switch to interrupt mode

[Eduardo Valentin]

Hello,

On Thu, Sep 28, 2017 at 09:32:20AM +0200, Daniel Lezcano wrote:
> On Thu, Sep 28, 2017 at 02:57:52PM +0800, Leo Yan wrote:
> > Hi Daniel,
> > 
> > On Thu, Sep 28, 2017 at 07:13:44AM +0200, Daniel Lezcano wrote:
> > > At this moment, we have both the interrupt setup and the polling enabled. The
> > > interrupt does nothing more than forcing an update while the temperature is
> > > polled every second.
> > > 
> > > We can do much better than that, threshold is set to 65C in the DT and the
> > > passive cooling device enters in the dance when 75C is reached. We need to
> > > sample the temperature at 65C in order to let the IPA gather enough values for
> > > the PID computation. If the SoC is running at a temperature below 65C, we will
> > > be constantly polling for nothing.
> > > 
> > > This patch disables the sensor when the temperature is below 65C and enables it
> > > when passing the threshold. It results the thermal sensor driver will have no
> > > activity most of the time.
> > > 
> > > Cc: Keerthy <j-keerthy@xxxxxx>
> > > Cc: Leo Yang <leo.yan@xxxxxxxxxx>
> > 
> > s/Yang/Yan :) Have tested this patch on Hikey at my side:
> 
> Oops sorry :)
> 
> > Reviewed-by: Leo Yan <leo.yan@xxxxxxxxxx>
> > Tested-by: Leo Yan <leo.yan@xxxxxxxxxx>
> 

Is this still needed after the latest rework done?

> 
> Great! Thanks for testing.
> 
>   -- Daniel