From 9d4e7a24d77a05fb5c4e4121051a8d80501c74d3 Mon Sep 17 00:00:00 2001
From: Cho KyongHo <pullip.cho@samsung.com>
Date: Mon, 12 May 2014 11:44:57 +0530
Subject: [PATCH] iommu/exynos: Change rwlock to spinlock

Since acquiring read_lock is not more frequent than write_lock, it is
not beneficial to use rwlock, this commit changes rwlock to spinlock.

Reviewed-by: Grant Grundler <grundler@chromium.org>
Signed-off-by: Cho KyongHo <pullip.cho@samsung.com>
Signed-off-by: Shaik Ameer Basha <shaik.ameer@samsung.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Reading git-format-patch failed