linux-kernel - Re: [PATCH v2 3/4] arm64: dts: qcom: sc7180: trogdor: Fix trip point config of charger thermal zone

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Date:   Thu, 25 Feb 2021 14:47:12 -0800
From:   Doug Anderson <dianders@...omium.org>
To:     Matthias Kaehlcke <mka@...omium.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        Stephen Boyd <swboyd@...omium.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Antony Wang <antony_wang@...pal.corp-partner.google.com>
Subject: Re: [PATCH v2 3/4] arm64: dts: qcom: sc7180: trogdor: Fix trip point
 config of charger thermal zone

Hi,

On Thu, Feb 25, 2021 at 10:33 AM Matthias Kaehlcke <mka@...omium.org> wrote:
>
> The trip point configuration of the charger thermal zone for trogdor
> is missing a node for the critical trip point. Add the missing node.
>
> Fixes: bb06eb3607e9 ("arm64: qcom: sc7180: trogdor: Add ADC nodes and thermal zone for charger thermistor")
> Signed-off-by: Matthias Kaehlcke <mka@...omium.org>
> ---
>
> Changes in v2:
> - patch added to the series
>
>  arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 8 +++++---
>  1 file changed, 5 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
> index bda983da4eaf..ab4efaece5cb 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
> @@ -22,9 +22,11 @@ charger_thermal: charger-thermal {
>                         thermal-sensors = <&pm6150_adc_tm 1>;
>
>                         trips {
> -                               temperature = <125000>;
> -                               hysteresis = <1000>;
> -                               type = "critical";
> +                               charger-crit {

If you happen to spin for some other reason, it might not hurt to add
a label to this node.  Best case it'll save a patch in the future when
some OEM decides that they need to adjust this temperature and worst
case it doesn't hurt.

In any case:

Reviewed-by: Douglas Anderson <dianders@...omium.org>