linux-kernel - Re: [PATCH] ARM: dts: qcom: apq8084-ifc6540: fix overriding SDHCI

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Message-ID: <CAA8EJppUkXMt7nvzkWoLGqyvLSjX2Kn0D2C1AH2VJ9jBdyWKSQ@mail.gmail.com>
Date:   Sun, 4 Dec 2022 13:11:52 +0200
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     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>,
        Bhupesh Sharma <bhupesh.sharma@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH] ARM: dts: qcom: apq8084-ifc6540: fix overriding SDHCI

On Sun, 4 Dec 2022 at 10:46, Krzysztof Kozlowski
<krzysztof.kozlowski@...aro.org> wrote:
>
> While changing node names of APQ8084 SDHCI, the ones in IFC6540 board
> were not updated leading to disabled and misconfigured SDHCI.
>
> Cc: <stable@...r.kernel.org>
> Fixes: 2477d81901a2 ("ARM: dts: qcom: Fix sdhci node names - use 'mmc@'")
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

Minor nit below.

> ---
>  arch/arm/boot/dts/qcom-apq8084-ifc6540.dts | 20 ++++++++++----------
>  arch/arm/boot/dts/qcom-apq8084.dtsi        |  4 ++--
>  2 files changed, 12 insertions(+), 12 deletions(-)
>
> diff --git a/arch/arm/boot/dts/qcom-apq8084-ifc6540.dts b/arch/arm/boot/dts/qcom-apq8084-ifc6540.dts
> index 44cd72f1b1be..116e59a3b76d 100644
> --- a/arch/arm/boot/dts/qcom-apq8084-ifc6540.dts
> +++ b/arch/arm/boot/dts/qcom-apq8084-ifc6540.dts
> @@ -19,16 +19,16 @@ soc {
>                 serial@...5e000 {
>                         status = "okay";
>                 };
> +       };
> +};
>
> -               sdhci@...24900 {
> -                       bus-width = <8>;
> -                       non-removable;
> -                       status = "okay";
> -               };
> +&sdhc_1 {
> +       bus-width = <8>;
> +       non-removable;
> +       status = "okay";
> +};
>
> -               sdhci@...a4900 {
> -                       cd-gpios = <&tlmm 122 GPIO_ACTIVE_LOW>;
> -                       bus-width = <4>;
> -               };
> -       };
> +&sdhc_2 {
> +       cd-gpios = <&tlmm 122 GPIO_ACTIVE_LOW>;
> +       bus-width = <4>;

Technically this will still be disabled, as there is no 'status = "okay";' here.

>  };
> diff --git a/arch/arm/boot/dts/qcom-apq8084.dtsi b/arch/arm/boot/dts/qcom-apq8084.dtsi
> index fe30abfff90a..4b0d2b4f4b6a 100644
> --- a/arch/arm/boot/dts/qcom-apq8084.dtsi
> +++ b/arch/arm/boot/dts/qcom-apq8084.dtsi
> @@ -421,7 +421,7 @@ blsp2_uart2: serial@...5e000 {
>                         status = "disabled";
>                 };
>
> -               mmc@...24900 {
> +               sdhc_1: mmc@...24900 {
>                         compatible = "qcom,apq8084-sdhci", "qcom,sdhci-msm-v4";
>                         reg = <0xf9824900 0x11c>, <0xf9824000 0x800>;
>                         reg-names = "hc", "core";
> @@ -434,7 +434,7 @@ mmc@...24900 {
>                         status = "disabled";
>                 };
>
> -               mmc@...a4900 {
> +               sdhc_2: mmc@...a4900 {
>                         compatible = "qcom,apq8084-sdhci", "qcom,sdhci-msm-v4";
>                         reg = <0xf98a4900 0x11c>, <0xf98a4000 0x800>;
>                         reg-names = "hc", "core";
> --
> 2.34.1
>


-- 
With best wishes
Dmitry