From 58c0f5aa124534af16d7faaf1abdfa0d9fec8290 Mon Sep 17 00:00:00 2001
From: Alexander Shiyan <shc_work@mail.ru>
Date: Sat, 15 Feb 2014 17:12:05 +0400
Subject: [PATCH] gpio: davinci: Use signed type for 'irq' variable

Variable 'irq' is declared as unsigned and then used to store
negative return values from irq_alloc_descs() such as -EINVAL.
This patch fix this by declaring the variable as a signed.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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