linux-kernel - Re: [PATCH 1/2 v2] gpio-ich: Check for pin availability at request time

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Message-ID: <CACRpkdaLkmyqKi95GZPNb3y1mK57DqWPGsAOmw_ZyqcYoUUmKA@mail.gmail.com>
Date:	Wed, 27 Mar 2013 09:11:41 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Jean Delvare <khali@...ux-fr.org>
Cc:	Peter Tyser <ptyser@...-inc.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Grant Likely <grant.likely@...retlab.ca>
Subject: Re: [PATCH 1/2 v2] gpio-ich: Check for pin availability at request time

On Tue, Mar 5, 2013 at 9:22 PM, Jean Delvare <khali@...ux-fr.org> wrote:

> Stop checking for pin availability in direction and get functions.
> These functions can be called repeatedly, so checking every time is
> bad for performance. Now that requesting GPIO pins is no longer
> optional, checking for availability at pin request time is enough.
>
> Signed-off-by: Jean Delvare <khali@...ux-fr.org>
> Cc: Peter Tyser <ptyser@...-inc.com>
> Cc: Grant Likely <grant.likely@...retlab.ca>
> Cc: Linus Walleij <linus.walleij@...aro.org>
> ---
> Changes since v1:
> * Also drop the check from direction functions, as suggested by Peter.

Patch applied.

Thanks!
Linus Walleij
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