From 1bee963db9dd82e12566bdae6710defb1206b38b Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime.ripard@free-electrons.com>
Date: Sun, 4 Aug 2013 12:38:48 +0200
Subject: [PATCH] pinctrl: sunxi: Add spinlocks

The current code use no locking at all, which is obviously not that
great and can lead to concurrency issues, especially with the newer SMP
SoCs from Allwinner.

Add some locking where it's needed.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
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