From: Axel Lin <axel.lin@ingics.com>
Date: Fri, 27 Feb 2015 03:50:57 +0000 (+0800)
Subject: phy: exynos-mipi-video: Use spin_lock to protct state->regmap rmw operations
X-Git-Tag: omap-for-v4.2/o2_dc~276^2~5^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=af69decc7ca80fa24c77a5a00234f1cd2a957de8;p=pandora-kernel.git

phy: exynos-mipi-video: Use spin_lock to protct state->regmap rmw operations

The state->regmap is initialized by devm_regmap_init_mmio().
So it's fine to use spin_lock rather than mutex to protct state->regmap rmw
operations.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Tested-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
[Julia.Lawall@lip6.fr: Found an issue with the original patch w.r.t unbalanced
 spin_lock call]
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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