linux-kernel - Re: [PATCH] arm64: dts: mt8173: elm: Use aliases to mmc nodes

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Date:   Mon, 26 Jul 2021 18:21:02 +0800
From:   Chen-Yu Tsai <wenst@...omium.org>
To:     Hsin-Yi Wang <hsinyi@...omium.org>
Cc:     Matthias Brugger <matthias.bgg@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Enric Balletbo Serra <eballetbo@...il.com>,
        Eizan Miyamoto <eizan@...omium.org>,
        Devicetree List <devicetree@...r.kernel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] arm64: dts: mt8173: elm: Use aliases to mmc nodes

On Mon, Jul 26, 2021 at 6:15 PM Hsin-Yi Wang <hsinyi@...omium.org> wrote:
>
> Use aliases to mmc nodes so the partition name for eMMC and SD card will
> be consistent across boots.
>
> Signed-off-by: Hsin-Yi Wang <hsinyi@...omium.org>
> ---
>  arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi | 7 +++++++
>  1 file changed, 7 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi b/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi
> index 21452c51a20a8..be21740d682d0 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi
> @@ -10,6 +10,13 @@
>  #include "mt8173.dtsi"
>
>  / {
> +       aliases {
> +               mmc0 = &mmc0;
> +               mmc1 = &mmc1;
> +               mmc2 = &mmc2;

mmc2 is not used or enabled anywhere. Just skip it.
You can have

        mmc2 = &mmc3;

so that the numbers are consecutive.

ChenYu

> +               mmc3 = &mmc3;
> +       };
> +
>         memory@...00000 {
>                 device_type = "memory";
>                 reg = <0 0x40000000 0 0x80000000>;
> --
> 2.32.0.432.gabb21c7263-goog
>
>
> _______________________________________________
> Linux-mediatek mailing list
> Linux-mediatek@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-mediatek

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