linux-kernel - Re: [PATCH 2/2] arm64: dts: mt8173: elm: Use aliases to mmc nodes

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Message-ID: <CAGXv+5Hua63GZ839kQEscAXBeKPYTv_63E2pYNBw4jXz1B_PWA@mail.gmail.com>
Date:   Wed, 28 Jul 2021 11:51:34 +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 2/2] arm64: dts: mt8173: elm: Use aliases to mmc nodes

Hi,

The subject for this patch wasn't tagged with v3. This might cause some
issues with scripted tooling.

On Tue, Jul 27, 2021 at 7:22 PM Hsin-Yi Wang <hsinyi@...omium.org> wrote:
>
> fa2d0aa96941 ("mmc: core: Allow setting slot index via device tree alias")
> allows the use of aliases to number SD/MMC slots. This patch use aliases
> to mmc nodes so the partition name for eMMC and SD card will be consistent
> across boots.

Device trees are supposed to be a description of the hardware and
therefore should be implementation agnostic. The commit logs should be
the same, unless the implementation details influenced the changes made.

The MMC binding change already specified that aliases provide a way to
assign fixed mmcN indices, so the log should reference the binding
change commit instead.

ChenYu

> Signed-off-by: Hsin-Yi Wang <hsinyi@...omium.org>
> Reviewed-by: Chen-Yu Tsai <wenst@...omium.org>
> ---
> v2->v3: add more commit message.
> ---
>  arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi b/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi
> index 21452c51a20a8..d5a2cad39c9c7 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi
> @@ -10,6 +10,12 @@
>  #include "mt8173.dtsi"
>
>  / {
> +       aliases {
> +               mmc0 = &mmc0;
> +               mmc1 = &mmc1;
> +               mmc2 = &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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