Re: [PATCH v2 1/3] mmc: renesas_sdhi: Add OF entry for RZ/G2H SoC

[Ulf Hansson]

On Tue, May 19, 2026 at 3:53 PM Prabhakar <prabhakar.csengg@xxxxxxxxx> wrote:
>
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
>
> The RZ/G2H (R8A774E1) SoC was previously handled via the generic
> "renesas,rcar-gen3-sdhi" fallback compatible string. However, because
> the SDHI IP on RZ/G2H is identical with the R-Car H3-N (R8A77951), it
> requires the specific quirks and configuration defined in
> `of_r8a7795_compatible` rather than the generic Gen3 data.
>
> Add the explicit "renesas,sdhi-r8a774e1" match entry to map it correctly.
> Note that the DT binding file renesas,sdhi.yaml does not need an update
> as the entry for this SoC is already present.
>
> Fixes: 31941342888d ("arm64: dts: renesas: r8a774e1: Add SDHI nodes")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>

Applied for fixes, thanks!

Kind regards
Uffe


> ---
> v1->v2:
> - Dropped adding entry in the quirk list instead added entry
>   in the OF match table to map the SoCs to the existing quirks.
> - Updated commit messages to reflect the above change.
> ---
>  drivers/mmc/host/renesas_sdhi_internal_dmac.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/mmc/host/renesas_sdhi_internal_dmac.c b/drivers/mmc/host/renesas_sdhi_internal_dmac.c
> index b716a518f265..1d3cd4c3da1f 100644
> --- a/drivers/mmc/host/renesas_sdhi_internal_dmac.c
> +++ b/drivers/mmc/host/renesas_sdhi_internal_dmac.c
> @@ -279,6 +279,7 @@ static const struct renesas_sdhi_of_data_with_quirks of_rza2_compatible = {
>  static const struct of_device_id renesas_sdhi_internal_dmac_of_match[] = {
>         { .compatible = "renesas,sdhi-r7s9210", .data = &of_rza2_compatible, },
>         { .compatible = "renesas,sdhi-mmc-r8a77470", .data = &of_rcar_gen3_compatible, },
> +       { .compatible = "renesas,sdhi-r8a774e1", .data = &of_r8a7795_compatible, },
>         { .compatible = "renesas,sdhi-r8a7795", .data = &of_r8a7795_compatible, },
>         { .compatible = "renesas,sdhi-r8a77961", .data = &of_r8a77961_compatible, },
>         { .compatible = "renesas,sdhi-r8a77965", .data = &of_r8a77965_compatible, },
> --
> 2.54.0