From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Thu, 5 Apr 2012 14:16:56 +0000 (+0100)
Subject: mfd: Cache wm8994 chip revision
X-Git-Tag: v3.5-rc1~51^2~101
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=18996db262d0f1e79357315e033ace24488f92ad;p=pandora-kernel.git

mfd: Cache wm8994 chip revision

There's no need to mark the chip revision registers as volatile, it won't
change at runtime so we can cache it from the device at startup.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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