From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Sun, 9 Oct 2011 12:23:31 +0000 (+0100)
Subject: regmap: Return a sensible error code if we fail to read the cache
X-Git-Tag: v3.2-rc1~181^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6e6ace00a045251bd172b9b9c2379857bbff3dc7;p=pandora-kernel.git

regmap: Return a sensible error code if we fail to read the cache

If a register isn't cached then let callers know that so they can fall
back or error handle appropriately.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
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