From: Wolfram Sang <wsa@the-dreams.de>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Chris Brandt <Chris.Brandt@renesas.com>,
Simon Horman <horms+renesas@verge.net.au>,
Magnus Damm <magnus.damm@gmail.com>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
Wolfram Sang <wsa+renesas@sang-engineering.com>
Subject: Re: [PATCH] ARM: dts: r7s72100: fix sdhi clock define
Date: Mon, 16 Jan 2017 12:40:23 +0100 [thread overview]
Message-ID: <20170116114023.GA3029@katana> (raw)
In-Reply-To: <CAMuHMdX=cNuBSMqvPKYa7J5g7T4dSfHhSjcGdmuOPw_as=6RQQ@mail.gmail.com>
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> > and then in the code do:
> >
> > struct *cd_clk;
> > cd_clk = devm_clk_get(&pdev->dev, "cd");
> > if (cd_clk) {
> > clk_prepare_enable(cd_clk);
> > }
> >
> > (this simple 1-line fix patch is getting a lot more complicated)
>
> Disclaimer: I don't know how/if the SDHI core manages clocks, and may
> interfere. Adding Wolfram.
Thanks for the heads up.
We have special callbacks for en-/disabling clocks:
sh_mobile_sdhi_clk_enable() and sh_mobile_sdhi_clk_disable().
I think those functions should get the above if-blocks (without curly
braces) to ensure we always have consistent 00 or 11 settings.
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next prev parent reply other threads:[~2017-01-16 11:40 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-12 18:11 [PATCH] ARM: dts: r7s72100: fix sdhi clock define Chris Brandt
2017-01-12 19:57 ` Geert Uytterhoeven
[not found] ` <CAMuHMdUz6nb-STMQK39hDqwHRt4R5t+Lndj150Lkg7prN=HQZQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-01-12 20:34 ` Chris Brandt
2017-01-13 8:35 ` Simon Horman
2017-01-13 14:44 ` Chris Brandt
[not found] ` <PS1PR06MB116243F531726538252C2BAE8A780-l4vAwRX7WilTTnd0MlXEO20DtJ1/0DrXvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2017-01-13 15:10 ` Geert Uytterhoeven
[not found] ` <CAMuHMdVkTS21UnZA9OyEZ=mR5+GtAEbiLwpe=uKB_O6deXBPyw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-01-13 17:16 ` Chris Brandt
2017-01-13 17:31 ` Geert Uytterhoeven
[not found] ` <CAMuHMdUVnUS-iOM8cbXNP7jMLNFb5+hgnMp3edkCzpbEpAePzw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-01-13 17:56 ` Chris Brandt
[not found] ` <SG2PR06MB11659339E4A08373D3626BB28A780-ESzmfEwOt/xoAsOJh7vwSm0DtJ1/0DrXvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2017-01-16 10:36 ` Geert Uytterhoeven
2017-01-16 11:40 ` Wolfram Sang [this message]
2017-01-17 4:27 ` Chris Brandt
[not found] ` <SG2PR06MB11656A823E53F55C4FBCA7E88A7C0-ESzmfEwOt/xoAsOJh7vwSm0DtJ1/0DrXvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2017-01-17 8:21 ` Wolfram Sang
2017-01-17 9:16 ` Geert Uytterhoeven
2017-01-17 9:45 ` Wolfram Sang
2017-01-17 9:52 ` Geert Uytterhoeven
[not found] ` <CAMuHMdViHu7i_Lqk80toWrW=KsR49hodGnTd-Cpq35ts9gNgyw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-01-17 9:57 ` Wolfram Sang
2017-01-17 10:00 ` Geert Uytterhoeven
2017-01-17 14:48 ` Chris Brandt
2017-01-17 18:42 ` Chris Brandt
[not found] ` <SG2PR06MB11653D8853CB565A629B782E8A7C0-ESzmfEwOt/xoAsOJh7vwSm0DtJ1/0DrXvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2017-01-17 19:23 ` Wolfram Sang
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