Re: [PATCH 0/2] renesas: rcar-gen3: add HS400 quirk for SD clock

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Hi Wolfram,

On Mon, Nov 5, 2018 at 7:08 PM Wolfram Sang <wsa@xxxxxxxxxxxxx> wrote:
> > Is there any chance this can start to bite us in the future?
>
> Well, there is always a chance but to the best of our current knowledge,
> we can't see it for Gen3. And even then, we can still fix it.
>
> I was entering SDHI hackfest with the attitude of representing the
> hardware which means exposing SDHn. Yet, I got convinced that getting
> and keeping highspeed modes stable means turning a lot of knobs
> currently. This is not only true for HS400, but also HS200 and SDR50 and
> SDR104.
>
> This simple approach here allows us to have a stable base on which we
> can evaluate the other BSP patches on top. Especially those which modify
> the tuning procedure.
>
> So, because this change does not prevent SDHn exposure in the future, I
> suggest to go this way for now, so we can spend our (limited) manpower
> on evaluating the tuning next.

OK. Thanks!

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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