From: Lars-Peter Clausen <lars@metafoo.de>
Date: Wed, 16 Nov 2011 15:28:19 +0000 (+0100)
Subject: regmap: Try cached read before checking if a hardware read is possible
X-Git-Tag: v3.3-rc1~163^2~18
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=19254411db4e69d90958244c5017e7e4a38547b0;p=pandora-kernel.git

regmap: Try cached read before checking if a hardware read is possible

For some register format types we do not provide a parse_val so we can not do a
hardware read. But a cached read is still possible, so try to read from the
cache first, before checking whether a hardware read is possible. Otherwise the
cache becomes pretty useless for these register types.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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