linux-kernel - Re: [PATCH v4 09/15] arm64: dts: msm8996: thermal: Add interrupt support

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Date:   Fri, 20 Sep 2019 15:09:51 -0700
From:   Amit Kucheria <amit.kucheria@...aro.org>
To:     Stephen Boyd <swboyd@...omium.org>
Cc:     Daniel Lezcano <daniel.lezcano@...aro.org>,
        Mark Rutland <mark.rutland@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Zhang Rui <rui.zhang@...el.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Eduardo Valentin <edubezval@...il.com>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Brian Masney <masneyb@...tation.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>
Subject: Re: [PATCH v4 09/15] arm64: dts: msm8996: thermal: Add interrupt support

On Fri, Sep 20, 2019 at 3:07 PM Amit Kucheria <amit.kucheria@...aro.org> wrote:
>
> On Fri, Sep 20, 2019 at 3:02 PM Stephen Boyd <swboyd@...omium.org> wrote:
> >
> > Quoting Amit Kucheria (2019-09-20 14:52:24)
> > > Register upper-lower interrupts for each of the two tsens controllers.
> > >
> > > Signed-off-by: Amit Kucheria <amit.kucheria@...aro.org>
> > > ---
> > >  arch/arm64/boot/dts/qcom/msm8996.dtsi | 60 ++++++++++++++-------------
> > >  1 file changed, 32 insertions(+), 28 deletions(-)
> > >
> > > diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
> > > index 96c0a481f454..bb763b362c16 100644
> > > --- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
> > > +++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
> > > @@ -175,8 +175,8 @@
> > >
> > >         thermal-zones {
> > >                 cpu0-thermal {
> > > -                       polling-delay-passive = <250>;
> > > -                       polling-delay = <1000>;
> > > +                       polling-delay-passive = <0>;
> > > +                       polling-delay = <0>;
> >
> > I thought the plan was to make this unnecessary to change?
>
> IMO that change should be part of a different series to the thermal
> core. I've not actually started working on it yet (traveling for the
> next 10 days or so) but plan to do it.

In fact, I was thinking of making the entire property optional, so I
started down the path of converting the thermal bindings to YAML but
haven't finished the process yet.