From 22ce4464fad1c0a90ed5c9a745a1fceabf69283d Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@ingics.com>
Date: Fri, 15 Mar 2013 20:52:07 +0800
Subject: [PATCH] gpio: pl061: Add pl061_gpio_free()

commit 39b70ee051 "gpio: pl061: bind pinctrl by gpio request"
adds pl061_gpio_request() to request pinctrl.
Thus we need to add corresponding pl061_gpio_free() to free the pin.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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