From 91492a44b998cf762150de8f1b40bda1902e8ea7 Mon Sep 17 00:00:00 2001
From: Rabin Vincent <rabin@rab.in>
Date: Wed, 22 Jul 2015 15:05:18 +0200
Subject: [PATCH] gpio: generic: support input-only chips

Allow chips to indicates that they are input-only and thus cannot set
the output value.  This will be used by the gpio-etraxfs driver.

Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Reading git-format-patch failed