linux-kernel - Re: [RFC PATCH v2] gpiolib: add gpio get direction callback support

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Message-ID: <CACRpkdbVmjymkcH-Nsy38hKejMt0B=_mFRNHYN1ORsshAJxDog@mail.gmail.com>
Date:	Fri, 26 Oct 2012 09:19:59 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Mathias Nyman <mathias.nyman@...ux.intel.com>
Cc:	linus.walleij@...ricsson.com, grant.likely@...retlab.ca,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v2] gpiolib: add gpio get direction callback support

On Wed, Oct 24, 2012 at 4:25 PM, Mathias Nyman
<mathias.nyman@...ux.intel.com> wrote:

> Add .get_direction callback to gpio_chip. This allows gpiolib
> to check the current direction of a gpio.
> Used to show the correct gpio direction in sysfs and debug entries.
>
> If callback is not set then gpiolib will work as previously;
> e.g. guessing everything is input until a direction is set.
>
> Signed-off-by: Mathias Nyman <mathias.nyman@...ux.intel.com>

I buy into this concept.

Patch applied.

Unless Grant protests, it stays in.

Thanks for working on this!
Linus Walleij
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