RE: [PATCH v8 3/5] media: renesas: vsp1: Add support for VSP software version

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Hi Geert,

Thanks for the feedback.

> Subject: Re: [PATCH v8 3/5] media: renesas: vsp1: Add support for VSP
> software version
> 
> Hi Biju,
> 
> On Tue, Apr 19, 2022 at 8:18 PM Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> wrote:
> > The VSPD block on RZ/G2L does not have a version register.

Will update RZ/G2L->RZ/G2L SoCs

> >
> > This patch adds support for adding VSP software version based on
> > device match.
> >
> > Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> > ---
> > v8:
> >  * New patch
> 
> Thanks for your patch!
> 
> > --- a/drivers/media/platform/renesas/vsp1/vsp1_drv.c
> > +++ b/drivers/media/platform/renesas/vsp1/vsp1_drv.c
> > @@ -812,11 +812,43 @@ static const struct vsp1_device_info
> vsp1_device_infos[] = {
> >         },
> >  };
> >
> > +static const struct vsp1_device_info *vsp1_lookup_info(struct
> > +vsp1_device *vsp1) {
> > +       const struct vsp1_device_info *info;
> > +       unsigned int i;
> > +
> > +       /*
> > +        * Try the info stored in match data first for devices that
> don't have
> > +        * a version register.
> > +        */
> > +       info = of_device_get_match_data(vsp1->dev);
> > +       if (info) {
> > +               vsp1->version = VI6_IP_VERSION_VSP_SW | info->version |
> info->soc;
> > +               return info;
> > +       }
> > +
> > +       vsp1->version = vsp1_read(vsp1, VI6_IP_VERSION);
> > +
> > +       for (i = 0; i < ARRAY_SIZE(vsp1_device_infos); ++i) {
> > +               info = &vsp1_device_infos[i];
> > +
> > +               if ((vsp1->version & VI6_IP_VERSION_MODEL_MASK) == info-
> >version)
> > +                       break;
> 
> return info? ...

OK.

> 
> > +       }
> > +
> > +       if (i == ARRAY_SIZE(vsp1_device_infos)) {
> 
> ... so this check is no longer needed.

OK. Will fix this in next version.

Cheers,
Biju
> 
> > +               dev_err(vsp1->dev, "unsupported IP version 0x%08x\n",
> > +                       vsp1->version);
> > +               return NULL;
> > +       }
> > +
> > +       return info;
> > +}
> 
> Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> 
> 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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