From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Wolfram Sang <wsa@the-dreams.de>,
linux-renesas-soc@vger.kernel.org,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Kuninori Morimoto <kuninori.morimoto.gx@gmail.com>,
Magnus Damm <magnus.damm@gmail.com>,
Geert Uytterhoeven <geert+renesas@glider.be>,
"linux-gpio@vger.kernel.org" <linux-gpio@vger.kernel.org>,
Linus Walleij <linus.walleij@linaro.org>,
Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <kernel@pengutronix.de>
Subject: Re: [RFC] pinctrl: sh-pfc: only use dummy states for non-DT platforms
Date: Tue, 8 Mar 2016 00:19:36 +0300 [thread overview]
Message-ID: <56DDF068.6090408@cogentembedded.com> (raw)
In-Reply-To: <CAMuHMdUVFk47u+LPdfh+fq8vvPQAULyM8X_DrizCtrgf-1YwaA@mail.gmail.com>
On 03/08/2016 12:00 AM, Geert Uytterhoeven wrote:
>>>>>> --- a/drivers/pinctrl/sh-pfc/core.c
>>>>>> +++ b/drivers/pinctrl/sh-pfc/core.c
>>>>>> @@ -545,7 +545,9 @@ static int sh_pfc_probe(struct platform_device
>>>>>> *pdev)
>>>>>> return ret;
>>>>>> }
>>>>>>
>>>>>> - pinctrl_provide_dummies();
>>>>>> + /* Enable dummy states for those platforms without pinctrl
>>>>>> support */
>>>>>> + if (!of_have_populated_dt())
>>>>
>>>>
>>>> I'd considered this condition -- it won't fly on SH where
>>>> CONFIG_OF=n,
>>>> the kernel just won't build IIUC...
>>>
>>>
>>> I haven't tried to compile it yet, but <linux/of.h> does provide a dummy
>>> that
>>> returns false.
>>
>>
>> Oops, indeed. I missed it. :-(
>> This approach is better then, won't have to fix again whenever SH gets DT
>> support.
> Perhaps the of_have_populated_dt() check should be moved inside
> pinctrl_provide_dummies()?
That's probably a good idea...
> Besides omap2, which has its own check, the only other user is imx1.
i.MX2x/3x as well, no?
[...]
> Gr{oetje,eeting}s,
>
> Geert
MBR, Sergei
next prev parent reply other threads:[~2016-03-07 21:19 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-07 18:40 [RFC] pinctrl: sh-pfc: only use dummy states for non-DT platforms Wolfram Sang
2016-03-07 19:56 ` Geert Uytterhoeven
2016-03-07 20:02 ` Sergei Shtylyov
2016-03-07 20:29 ` Geert Uytterhoeven
2016-03-07 20:34 ` Sergei Shtylyov
2016-03-07 21:00 ` Geert Uytterhoeven
2016-03-07 21:19 ` Sergei Shtylyov [this message]
2016-03-08 8:15 ` Geert Uytterhoeven
2016-03-07 22:21 ` Wolfram Sang
2016-03-09 10:30 ` Linus Walleij
2016-03-09 9:58 ` Wolfram Sang
2016-03-09 10:32 ` Linus Walleij
2016-03-09 12:51 ` Sergei Shtylyov
2016-03-09 15:37 ` Wolfram Sang
2016-03-09 13:17 ` Geert Uytterhoeven
2016-03-29 5:48 ` Shawn Guo
2016-03-15 8:29 ` Linus Walleij
2016-03-15 9:08 ` Geert Uytterhoeven
2016-03-15 12:31 ` Sergei Shtylyov
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