Re: [PATCH 2/2] iommu/ipmmu-vmsa: Add support for R-Car Gen4

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Hi Shimoda-san,

On Tue, Jan 25, 2022 at 6:36 PM Yoshihiro Shimoda
<yoshihiro.shimoda.uh@xxxxxxxxxxx> wrote:
> Add support for R-Car Gen4 like r8a779f0 (R-Car S4-8). The IPMMU
> hardware design of r8a779f0 is the same as r8a779a0. So, rename
> "r8a779a0" to "rcar_gen4".
>
> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>

Thanks for your patch!

> --- a/drivers/iommu/ipmmu-vmsa.c
> +++ b/drivers/iommu/ipmmu-vmsa.c

> @@ -743,7 +744,7 @@ static bool ipmmu_device_is_allowed(struct device *dev)
>         unsigned int i;
>
>         /*
> -        * R-Car Gen3 and RZ/G2 use the allow list to opt-in devices.
> +        * R-Car Gen3, Gen4 and RZ/G2 use the allow list to opt-in devices.
>          * For Other SoCs, this returns true anyway.
>          */
>         if (!soc_device_match(soc_needs_opt_in))

There are a few more references to "Gen3" that can be extended.

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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