linux-kernel - Re: [RESEND PATCH V3 5/5] arm64: dts: qcom: sc7280: Include PMIC DT files for sc7280

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Date:   Tue, 20 Apr 2021 11:02:11 -0700
From:   Matthias Kaehlcke <mka@...omium.org>
To:     satya priya <skakit@...eaurora.org>
Cc:     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 V3 5/5] arm64: dts: qcom: sc7280: Include PMIC DT
 files for sc7280

On Wed, Apr 14, 2021 at 04:43:03PM +0530, satya priya wrote:

> Subject: arm64: dts: qcom: sc7280: Include PMIC DT files for sc7280

Please make sure to distinguish between the SoC (sc7280) and the
board (sc7280-idp), this patch primarily adds stuff to the board not
the SoC, this should be clear from the subject.

> Include pm7325, pm8350c, pmk8350 and pmr735a DT files.

How about something like 'The sc7280-idp has four PMICs, include their
.dtsi files'?

> Add channel nodes for pmk8350_vadc.

It's not super important, but I don't like it when things like this get
sneaked in with a commit message saying 'Include PMIC DT files for
sc7280'. I would suggest a separate patch. And please mention that
the channels are for the on die temperatures of the PMICs.

> Also, add the thermal_zones node in dtsi.

This is not the right patch to add it. This patch is about the sc7280-board
and doesn't do anything (directly) with thermal zones. However other
patches further down in the stack of in this series require the
'thermal-zones' to exist, hence the node should exist before these patches
reference it. A dedicated patch adding the node seems like the best option
to me.