From bea4dbee952ac7a03885646de3247685dabad972 Mon Sep 17 00:00:00 2001
From: Sachin Kamat <sachin.kamat@linaro.org>
Date: Mon, 27 Jan 2014 12:15:08 +0530
Subject: [PATCH] gpio: gpiolib-of: Use PTR_ERR_OR_ZERO

PTR_RET is deprecated. Use PTR_ERR_OR_ZERO instead. While at it
also include missing err.h header.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Reading git-format-patch failed