Re: [PATCH 2/9] iommu/ipmmu-vmsa: Hook up R8A774E1 DT matching code

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Hi Prabhakar,

On Mon, Jul 13, 2020 at 11:35 PM Lad Prabhakar
<prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx> wrote:
> From: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@xxxxxxxxxxxxxx>
>
> Add support for RZ/G2H (R8A774E1) SoC IPMMUs.
>
> Signed-off-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@xxxxxxxxxxxxxx>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>

Thanks for your patch!

> --- a/drivers/iommu/ipmmu-vmsa.c
> +++ b/drivers/iommu/ipmmu-vmsa.c
> @@ -751,6 +751,7 @@ static const struct soc_device_attribute soc_rcar_gen3[] = {
>  static const struct soc_device_attribute soc_rcar_gen3_whitelist[] = {
>         { .soc_id = "r8a774b1", },
>         { .soc_id = "r8a774c0", },
> +       { .soc_id = "r8a774e1", },

Adding an entry to soc_rcar_gen3_whitelist[] doesn't do anything, unless
you also add the same entry to soc_rcar_gen3[].

>         { .soc_id = "r8a7795", .revision = "ES3.*" },
>         { .soc_id = "r8a77961", },
>         { .soc_id = "r8a77965", },
> @@ -963,6 +964,9 @@ static const struct of_device_id ipmmu_of_ids[] = {
>         }, {
>                 .compatible = "renesas,ipmmu-r8a774c0",
>                 .data = &ipmmu_features_rcar_gen3,
> +       }, {
> +               .compatible = "renesas,ipmmu-r8a774e1",
> +               .data = &ipmmu_features_rcar_gen3,
>         }, {
>                 .compatible = "renesas,ipmmu-r8a7795",
>                 .data = &ipmmu_features_rcar_gen3,

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds



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