linux-kernel - Re: [PATCH v3 5/5] arm64: dts: qcom: Add support for QCS9075 Ride & Ride-r3

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Message-ID: <Z1gIsrWAT3QftC4c@hu-wasimn-hyd.qualcomm.com>
Date: Tue, 10 Dec 2024 14:54:22 +0530
From: Wasim Nazir <quic_wasimn@...cinc.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
CC: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Konrad Dybcio
	<konrad.dybcio@....qualcomm.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, <linux-arm-msm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <kernel@...cinc.com>
Subject: Re: [PATCH v3 5/5] arm64: dts: qcom: Add support for QCS9075 Ride &
 Ride-r3

On Tue, Dec 10, 2024 at 08:25:34AM +0100, Krzysztof Kozlowski wrote:
> On 10/12/2024 00:25, Dmitry Baryshkov wrote:
> >>>>>> 9100 & 9075 are different from “safe” perspective. They differ in
> >>>>>> changes related to thermal which will be added later in devicetree.
> >>>>>
> >>>>> Since this can't be inferred from just looking at the changes, please
> >>>>> make sure to add that to the commit message
> >>>>
> >>>> Any include of other DTS is clear sign something is odd here. Including
> >>>> multiple times without any added nodes is showing these are not real
> >>>> products/boards .
> >>>
> >>> We're adding DTS to reuse the common board changes, with plans to
> >>> include the differences in upcoming patches. To provide more clarity, I
> >>> will include patches in this series to highlight the differences between
> >>> the 9100 and 9075 boards.
> >>
> >> Sure, still do not include DTS. Just like C files don't include C files.
> > 
> > So, is the solution simple, rename .dts to .dtsi and include it from
> > both .dts files?
> 
> For example. This leads to more questions - what is common here? We do
> not create shared DTSI files just because someone wants, but to really
> note shared components or shared designs.
> 

We can reuse the common dtsi for ride boards, i.e., sa8775p-ride.dtsi,
and then add board-specific changes in the corresponding files.

If this approach is acceptable, I can proceed with sending the
next patch series. I hope this will help clarify things further.

> Best regards,
> Krzysztof

Thanks & Regards,
Wasim