linux-kernel - Re: [PATCH 2/2] arm64: dts: qcom: sm8550: move Soundwire pinctrl to its nodes

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Message-ID: <36010a27-bd1f-40c8-a52e-10f0a51e5868@linaro.org>
Date:   Wed, 13 Dec 2023 17:27:24 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] arm64: dts: qcom: sm8550: move Soundwire pinctrl to
 its nodes

On 13/12/2023 17:25, Krzysztof Kozlowski wrote:
> Pin configuration for Soundwire bus should be set in Soundwire
> controller nodes, not in the associated macro codec node.  This
> placement change should not have big impact in general, because macro
> codec is a clock provider for Soundwire controller, thus its devices is
> probed first.  However it will have impact for disabled Soundwire buses,
> e.g. WSA2, because after this change the pins will be left in default
> state.
> 
> We also follow similar approach in newer SoCs, like Qualcomm SM8650.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---
>  arch/arm64/boot/dts/qcom/sm8550.dtsi | 20 ++++++++++++--------
>  1 file changed, 12 insertions(+), 8 deletions(-)

I am sorry, but this stale patch got into my submission. I will send a v2.

Best regards,
Krzysztof