From 1a9b5878671d417a856fdafe971306c99297b7f0 Mon Sep 17 00:00:00 2001
From: Felipe Balbi <balbi@ti.com>
Date: Wed, 5 Jan 2011 08:46:18 +0200
Subject: [PATCH] arm: omap: gpio: don't access irq_desc array directly

Instead of accessing the irq_desc array directly
we can use irq_to_desc(irq). That will allow us to,
if wanted, select SPARSE_IRQ and irq_descs will be
added to a radix tree, instead of a array.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
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