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

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Hi Geert-san,

Thank you for your review!

> From: Geert Uytterhoeven, Sent: Wednesday, February 2, 2022 6:24 PM
> 
> 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.

I'm afraid, but I could not understand this mean.

Best regards,
Yoshihiro Shimoda

> 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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