Re: [PATCH v5 2/3] arm64: dts: mt8173: Add thermal zone node.

[dawei chien]

On Wed, 2015-12-16 at 19:22 +0800, Daniel Kurtz wrote:
> On Wed, Dec 16, 2015 at 6:09 PM, dawei chien <dawei.chien@xxxxxxxxxxxx> wrote:
> > On Wed, 2015-12-16 at 16:34 +0800, Daniel Kurtz wrote:
> >> On Wed, Dec 16, 2015 at 11:59 AM, Dawei Chien <dawei.chien@xxxxxxxxxxxx> wrote:
> >> >
> >> > This adds thermal zone node to Mediatek MT8173 dtsi file.
> >> >
> >> > Signed-off-by: Dawei Chien <dawei.chien@xxxxxxxxxxxx>
> >> > ---
> >> > This patch is base on patchset:
> >> > https://lkml.org/lkml/2015/11/30/239
> >> > ---
> >> >  arch/arm64/boot/dts/mediatek/mt8173.dtsi |   43 ++++++++++++++++++++++++++++++
> >> >  1 file changed, 43 insertions(+)
> >> >
> >> > diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> >> > index fda805d..4114cee 100644
> >> > --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> >> > +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> >> > @@ -188,6 +188,49 @@
> >> >                 clock-output-names = "cpum_ck";
> >> >         };
> >> >
> >> > +       thermal-zones {
> >> > +               cpu_thermal: cpu_thermal {
> >> > +                       polling-delay-passive = <1000>; /* milliseconds */
> >> > +                       polling-delay = <1000>; /* milliseconds */
> >> > +
> >> > +                       thermal-sensors = <&thermal 0>;
> >>
> >> This should be <&thermal> with the MTK temp sensor node in
> >> https://lkml.org/lkml/2015/11/30/239 patch series.
> >>
> >> -Dan
> >
> > Hi Dan,
> > Sascha's thermal driver V12 only register sensor id as 0, so we need to
> > register sensor id as 0 to device tree as well.
> >
> > Either <&thermal 0> or <&thermal>, sensor id should be 0 for two cases.
> > I try this two case, function all work fine for two cases. May I have
> > any misunderstand? Please kindly give your comment.
> > I will re-send this patch again once you tell me the reason, thank you.
> 
> In the new patchset, Sascha changed it to:
> #thermal-sensor-cells = <0>;
> 
> Which means the <&thermal> phandle no longer has any arguments.
> 
> Thanks!
> -Dan
Hi Dan,
Thank you for your comment. Yes, I don't need to add sensor id since new
driver add thermal-sensor-cell as 0.
(Even I checked function OK to this patch with new patchset)

I will re-send this patch soon, thank you.

BR,
Dawei

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