From: Joe Perches <joe@perches.com>
Date: Tue, 10 May 2011 23:23:07 +0000 (-0700)
Subject: gpio: Convert gpio_is_valid to return bool
X-Git-Tag: v3.0-rc1~30^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3474cb3cc0140f9cf6ca56983f8180b4b4c5c36a;p=pandora-kernel.git

gpio: Convert gpio_is_valid to return bool

Make the code a bit more readable.

Instead of casting an int to an unsigned then comparing to
MAX_NR_GPIOS, add a >= 0 test and let the compiler optimizer
do the conversion to unsigned.

The generated code should be the same.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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