From f97b26b05b1dcd307b2f79d1f9e9d99551987dbb Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@ingics.com>
Date: Fri, 21 Feb 2014 09:15:18 +0800
Subject: [PATCH] spi: core: Replace msleep with usleep_range to get more
 accurate sleep time

Fixes below checkpatch warning:
WARNING: msleep < 20ms can sleep for up to 20ms; see Documentation/timers/timers-howto.txt
+               msleep(10);

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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