From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Wolfram Sang <wsa@the-dreams.de>
Cc: "Niklas Söderlund" <niklas.soderlund@ragnatech.se>,
"Geert Uytterhoeven" <geert+renesas@glider.be>,
"Wolfram Sang" <wsa+renesas@sang-engineering.com>,
Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
"Niklas Söderlund" <niklas.soderlund+renesas@ragnatech.se>
Subject: Re: [PATCH 0/2] renesas: rcar-gen3: add HS400 quirk for SD clock
Date: Mon, 5 Nov 2018 19:23:33 +0100 [thread overview]
Message-ID: <CAMuHMdX6Eqc9QPrh00v00uhjMnaoT_f5rnKfo-VKJwF4W1mOmA@mail.gmail.com> (raw)
In-Reply-To: <20181105180829.GA966@kunai>
Hi Wolfram,
On Mon, Nov 5, 2018 at 7:08 PM Wolfram Sang <wsa@the-dreams.de> 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@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
prev parent reply other threads:[~2018-11-06 3:44 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-31 23:25 [PATCH 0/2] renesas: rcar-gen3: add HS400 quirk for SD clock Niklas Söderlund
2018-10-31 23:25 ` [PATCH 1/2] clk: renesas: rcar-gen3: add documentation for SD clocks Niklas Söderlund
2018-11-01 19:37 ` Wolfram Sang
2018-11-05 10:28 ` Geert Uytterhoeven
2018-10-31 23:25 ` [PATCH 2/2] clk: renesas: rcar-gen3: add HS400 quirk for SD clock Niklas Söderlund
2018-11-01 19:38 ` Wolfram Sang
2018-11-02 16:54 ` Sergei Shtylyov
2018-11-05 10:43 ` Geert Uytterhoeven
2018-11-05 15:07 ` Niklas Söderlund
2018-11-05 15:45 ` Geert Uytterhoeven
2018-11-28 18:02 ` Niklas Söderlund
2018-11-29 0:43 ` Niklas Söderlund
2018-11-01 19:43 ` [PATCH 0/2] " Wolfram Sang
2018-11-05 10:32 ` Geert Uytterhoeven
2018-11-05 14:58 ` Niklas Söderlund
2018-11-05 18:08 ` Wolfram Sang
2018-11-05 18:23 ` Geert Uytterhoeven [this message]
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