From dd2914972e5f6d9c1a687158c0f65b81d239fe37 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Tue, 28 Aug 2012 19:30:44 +0800
Subject: [PATCH] gpio: em: Fix checking return value of irq_alloc_descs

irq_alloc_descs() returns negative error code on failure.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
Reading git-format-patch failed