linux-kernel - Re: [PATCH v3 2/2] dt-bindings: arm: qcom: Document additional sku6 for sc7180 pazquel

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Date:   Thu, 21 Jul 2022 18:52:11 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Doug Anderson <dianders@...omium.org>
Cc:     Yunlong Jia <yunlong.jia@....corp-partner.google.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Henry Sun <henrysun@...gle.com>,
        Bob Moragues <moragues@...omium.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...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>
Subject: Re: [PATCH v3 2/2] dt-bindings: arm: qcom: Document additional sku6
 for sc7180 pazquel

On 21/07/2022 18:43, Doug Anderson wrote:
> Hi,
> 
> On Thu, Jul 21, 2022 at 9:33 AM Krzysztof Kozlowski
> <krzysztof.kozlowski@...aro.org> wrote:
>>
>> On 21/07/2022 15:37, Doug Anderson wrote:
>>>
>>> Not worth sending a new version for, but normally I expect the
>>> bindings to be patch #1 and the dts change to be patch #2. In any
>>> case:
>>>
>>> Reviewed-by: Douglas Anderson <dianders@...omium.org>
>>
>> I would say worth v4, because otherwise patches is not bisectable.
> 
> You're saying because `dtbs_check` will fail between the two?

Yes

> How does
> flipping the order help? If `dtbs_check` needs to be bisectable then
> these two need to be one patch, but I was always under the impression
> that we wanted bindings patches separate from dts patches.

I don't think anyone said that bindings patches must be separate from
DTS. The only restriction is DTS cannot go with drivers.

Bindings for boards go pretty often with DTS (subarch). This is exactly
what maintainers do, e.g.:
https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux.git/log/?h=arm64-for-5.20
Bindings for hardware should go via subsystem maintainer (drivers).

Best regards,
Krzysztof