From: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Date: Wed, 28 Jan 2015 12:23:43 +0000 (+0100)
Subject: spi/xilinx: Use cached value of register
X-Git-Tag: fixes-v4.0-rc1~184^2^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5b74d7a3b888fd3db6dce77eb11b3d55b64f6833;p=pandora-kernel.git

spi/xilinx: Use cached value of register

The control register has not changed since the previous access.
Therefore we can use the cached value and safe one bus access.

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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