linux-kernel - Re: [PATCH V2 3/3] ARM: davinci: da850: add NAND driver entries

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Message-ID: <CACRpkdajc7e00EdgnYD_7ucOMDFhqx53EvN3uEzJ1pQhHazr9Q@mail.gmail.com>
Date:	Thu, 17 Jan 2013 11:30:48 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Sekhar Nori <nsekhar@...com>
Cc:	"Kumar, Anil" <anilkumar.v@...com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	davinci-linux-open-source@...ux.davincidsp.com,
	linux@....linux.org.uk, Kevin Hilman <khilman@...prootsystems.com>,
	hs@...x.de
Subject: Re: [PATCH V2 3/3] ARM: davinci: da850: add NAND driver entries

On Wed, Jan 9, 2013 at 1:47 PM, Sekhar Nori <nsekhar@...com> wrote:
> On 1/8/2013 1:50 PM, Kumar, Anil wrote:

>> +&pmx_core{
>> +     pinctrl-names = "default";
>> +     pinctrl-0 = <
>> +             &nand_cs3_pins
>> +     >;
>
> This means that the NAND pins are configured even if NAND is not
> probed. Right? This can be moved into the nand_cs3 node to avoid that.
> And then when used with Linus Walleij's patch "drivers/pinctrl: grab
> default handles from device core" which should be accepted soon, the
> pins will be automatically setup when the NAND gets probed.

That is correct, I am waiting for Greg's ACK on the core grab patch
(maybe it's higher up in my mailbox) and some indication from Stephen
Warren that it doesn't break the Tegra, and I'll put it into linux-next.

Yours,
Linus Walleij
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