RE: [PATCH v3 4/5] media: dt-bindings: media: renesas,drif: Add r8a77965 support

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Hi Geert,

Thank you for your feedback!

> From: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> Sent: 14 October 2020 14:38
> Subject: Re: [PATCH v3 4/5] media: dt-bindings: media: renesas,drif: Add
> r8a77965 support
>
> Hi Fabrizio,
>
> On Tue, Oct 13, 2020 at 5:02 PM Fabrizio Castro
> <fabrizio.castro.jz@xxxxxxxxxxx> wrote:
> > The r8a77965 (a.k.a. R-Car M3-N) device tree schema is
> > compatible with the already documented R-Car Gen3 devices.
> >
> > Document r8a77965 support within renesas,drif.yaml.
> >
> > Signed-off-by: Fabrizio Castro <fabrizio.castro.jz@xxxxxxxxxxx>
>
> Thanks for your patch!
>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
>
> > --- a/Documentation/devicetree/bindings/media/renesas,drif.yaml
> > +++ b/Documentation/devicetree/bindings/media/renesas,drif.yaml
> > @@ -53,6 +53,7 @@ properties:
> >        - enum:
> >          - renesas,r8a7795-drif        # R-Car H3
> >          - renesas,r8a7796-drif        # R-Car M3-W
> > +        - renesas,r8a77965-drif       # R-Car M3-N
> >          - renesas,r8a77990-drif       # R-Car E3
> >        - const: renesas,rcar-gen3-drif # Generic R-Car Gen3 compatible device
>
> I guess you're aware M3-N (and E3) have an extra register?
> Probably the driver just relies on its initial value, but it never hurts to be
> explicit and initialize it properly.

Yes, I am aware of the extra register, and that's reflected in the DRIF nodes
definition within the SoC specific device trees.
I'll tackle initialization and configuration of the extra register at some point,
do you think we could use the default value for now?

>
> Gr{oetje,eeting}s,
>
>                         Geert
>
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-
> m68k.org
>
> 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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