regmap: cache: speed regcache_hw_init() up.
authorXiubo Li <Li.Xiubo@freescale.com>
Thu, 9 Oct 2014 09:02:55 +0000 (17:02 +0800)
committerMark Brown <broonie@kernel.org>
Mon, 20 Oct 2014 11:25:01 +0000 (12:25 +0100)
This may speed regcache_hw_init() up for some cases that there
has volatile registers.

Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

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