From 63589e92c2d975cc63222e5bd4a9a1fa2a1187ac Mon Sep 17 00:00:00 2001
From: Stephen Boyd <sboyd@codeaurora.org>
Date: Wed, 26 Mar 2014 16:06:37 -0700
Subject: [PATCH] clk: Ignore error and NULL pointers passed to clk_{unprepare,
 disable}()

This simplifies error paths in drivers that use optional clocks
by allowing the NULL or error pointer to be passed
unconditionally.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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