From 61256133919e76ea51e458c9713a9ee9d9ec4a67 Mon Sep 17 00:00:00 2001
From: Chao Xie <chao.xie@marvell.com>
Date: Fri, 31 Oct 2014 10:13:42 +0800
Subject: [PATCH] clk: mmp: add spin lock for clk-frac

The register used by clk-frac may be shared with
other clocks.
So it needs to use spin lock to protect the register
access.

Signed-off-by: Chao Xie <chao.xie@marvell.com>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
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