linux-kernel - Re: [RESEND PATCH V4 2/8] arm64: dts: qcom: sc7280: Add thermal-zones node

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Date:   Thu, 20 May 2021 11:55:15 +0530
From:   skakit@...eaurora.org
To:     Matthias Kaehlcke <mka@...omium.org>
Cc:     Vinod Koul <vkoul@...nel.org>, Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, kgunda@...eaurora.org
Subject: Re: [RESEND PATCH V4 2/8] arm64: dts: qcom: sc7280: Add thermal-zones
 node

Hi Matthias,

On 2021-05-18 21:57, Matthias Kaehlcke wrote:
> On Tue, May 18, 2021 at 05:14:03PM +0530, Vinod Koul wrote:
>> On 18-05-21, 11:50, satya priya wrote:
>> > Add thermal-zones node for SC7280 SoC.
>> >
>> > Signed-off-by: satya priya <skakit@...eaurora.org>
>> > Reviewed-by: Matthias Kaehlcke <mka@...omium.org>
>> > ---
>> > Changes in RESEND V4:
>> >  - No Changes.
>> >
>> >  arch/arm64/boot/dts/qcom/sc7280.dtsi | 3 +++
>> >  1 file changed, 3 insertions(+)
>> >
>> > diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> > index 2cc4785..2a7d488 100644
>> > --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> > +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> > @@ -1125,4 +1125,7 @@
>> >  			     <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>,
>> >  			     <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>;
>> >  	};
>> > +
>> > +	thermal_zones: thermal-zones {
>> > +	};
>> 
>> Empty node..? what am i missing here...
> 
> The 'thermal-zones' node with the SoC thermal zones is usually created
> in the <soc>.dtsi, however it doesn't exist yet. The 'Add DT bindings
> and device tree nodes for TSENS in SC7280' series
> (https://patchwork.kernel.org/project/linux-arm-msm/list/?series=478225)
> is creating it, but the series hasn't landed yet.
> 
> The node is needed by other patches in this series that add non-SoC
> thermal zones. Hence either an empty node needs to be added (for now)
> or this series should 'officially' depend on the TSENS series mentioned
> above.

I will add the dependency in cover letter and drop this patch.

Thanks,
Satya Priya