From: Dylan Reid <dgreid@chromium.org>
Date: Tue, 18 Mar 2014 20:45:09 +0000 (-0700)
Subject: regmap: cache: Don't attempt to sync non-writeable registers
X-Git-Tag: v3.15-rc1~149^2^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=83f8475ce99fa1c44b03059b6cc5dcaae69b4819;p=pandora-kernel.git

regmap: cache: Don't attempt to sync non-writeable registers

In the regcache_default_sync, if a register isn't writeable, then
_regmap_write will return an error and the rest of the sync will be
aborted.  Avoid this by checking if a register is writeable before
trying to sync it.

Signed-off-by: Dylan Reid <dgreid@chromium.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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