Re: [PATCH 4/4] net: ethernet: ravb: Name the AVB functional clock fck

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On Mon, Jan 4, 2021 at 4:41 AM Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
>
> Hi Adam,
>
> On Mon, Dec 28, 2020 at 10:32 PM Adam Ford <aford173@xxxxxxxxx> wrote:
> > The bindings have been updated to support two clocks, but the
> > original clock now requires the name fck to distinguish it
> > from the other.
> >
> > Signed-off-by: Adam Ford <aford173@xxxxxxxxx>
>
> Thanks for your patch!
>
> > --- a/drivers/net/ethernet/renesas/ravb_main.c
> > +++ b/drivers/net/ethernet/renesas/ravb_main.c
> > @@ -2142,7 +2142,7 @@ static int ravb_probe(struct platform_device *pdev)
> >
> >         priv->chip_id = chip_id;
> >
> > -       priv->clk = devm_clk_get(&pdev->dev, NULL);
> > +       priv->clk = devm_clk_get(&pdev->dev, "fck");
>
> This change is not backwards compatible, as existing DTB files do not
> have the "fck" clock.  So the driver has to keep on assuming the first
> clock is the functional clock, and this patch is thus not needed nor
> desired.

Should I post a V2 with this removed, or can this patch just be excluded?

adam
>
> >         if (IS_ERR(priv->clk)) {
> >                 error = PTR_ERR(priv->clk);
> >                 goto out_release;
>
> 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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