From: Alexandre Courbot <acourbot@nvidia.com>
Date: Sat, 2 Feb 2013 16:29:29 +0000 (+0900)
Subject: gpiolib: use descriptors internally
X-Git-Tag: v3.9-rc1~76^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=372e722ea4dd4ca11c3d04845e11cbc15f32144c;p=pandora-kernel.git

gpiolib: use descriptors internally

Make sure gpiolib works internally with descriptors and (chip, offset)
pairs instead of using the global integer namespace. This prepares the
ground for the removal of the global gpio_desc[] array and the
introduction of the descriptor-based GPIO API.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
[grant.likely: Squash in fix for link error when CONFIG_SYSFS=n]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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