linux-kernel - Re: [PATCH] arm64: dts: qcom: sc8280xp: add TCSR node

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Date:   Mon, 24 Oct 2022 16:54:34 +0200
From:   Johan Hovold <johan@...nel.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Johan Hovold <johan+linaro@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: sc8280xp: add TCSR node

On Mon, Oct 24, 2022 at 10:09:51AM -0400, Krzysztof Kozlowski wrote:
> On 24/10/2022 09:42, Johan Hovold wrote:
> > On Mon, Oct 24, 2022 at 09:34:22AM -0400, Krzysztof Kozlowski wrote:
> >> On 24/10/2022 08:58, Johan Hovold wrote:
> >>> Add the TCSR node which is needed for PCIe configuration.
> >>>
> >>> Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
> >>> ---
> >>>  arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 5 +++++
> >>
> >> Please send the patches together with the binding. There is no need to
> >> have this split and it causes additional effort during review - lookup
> >> of the binding.
> > 
> > I was under the impression that the dts changes should be submitted
> > separately from the binding as they go through different trees. (And
> > last time I posted them together the subsystem maintainer ended up
> > taking also the dts changes by mistake).
> 
> Yes, that's also true. :)
> 
> > The binding has been picked up by Lee now so I posted the dts change.
> > Could have added a lore link though.
> 
> This also would work and help a lot.
> 
> It depends in general on the maintainer - for example Greg does not want
> to deal with individual patches, especially if DTS is just one patch and
> USB would be 10 of them. Our toolset is not good for picking up 10 out
> of 11. For all such cases - please provide link to lore.
> 
> If however there are just two patches - one DTS and one for maintainer -
> then having them in one patchset should not cause additional effort for
> the maintainer.

I'm pretty sure I saw Lee complaining about Bjorn taking also the
binding update through the qcom tree recently when someone did just
that. Apparently it was TCSR related too:

	https://lore.kernel.org/all/Yzbk%2F6SQdpNQTahV@google.com/

Heh. That was you. :)
 
> As you can see on the list, majority of patchsets consist of
> bindings+DTS. Pretty often entire piece - bindings+driver+DTS.

Yeah, and whatever alternative you go with, someone will get it wrong or
complain it seems.

Johan