[PATCH] ARM: dts: sunxi: Add MMC alias for consistent enumeration

[Chen-Yu Tsai]

On Thu, Dec 19, 2024 at 6:58 PM Stefan Gloor <code at stefan-gloor.ch> wrote:
>
> Add explicit alias for MMC devices, so that (e)MMC and micro SD cards
> are enumerated consistently. This should fix spurious boot failures when
> specifying a hard-coded root partition, e.g., mmcblk0p2.

IIRC we have chosen against adding explicit MMC aliases for the sunxi
platforms. Please try using UUID= or PARTUUID= for root partition
references.

ChenYu

> Link: https://github.com/linux-sunxi/meta-sunxi/pull/431
> Signed-off-by: Stefan Gloor <code at stefan-gloor.ch>
> ---
>  arch/arm/boot/dts/allwinner/sun7i-a20-olinuxino-micro.dts | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm/boot/dts/allwinner/sun7i-a20-olinuxino-micro.dts b/arch/arm/boot/dts/allwinner/sun7i-a20-olinuxino-micro.dts
> index a1b89b2a2999..9cd1eb690134 100644
> --- a/arch/arm/boot/dts/allwinner/sun7i-a20-olinuxino-micro.dts
> +++ b/arch/arm/boot/dts/allwinner/sun7i-a20-olinuxino-micro.dts
> @@ -60,6 +60,8 @@ aliases {
>                 serial2 = &uart7;
>                 spi0 = &spi1;
>                 spi1 = &spi2;
> +               mmc0 = &mmc0;
> +               mmc1 = &mmc3;
>         };
>
>         chosen {
> --
> 2.45.2
>
>