From: Ulf Hansson <ulf.hansson@stericsson.com>
Date: Wed, 18 Jan 2012 08:17:27 +0000 (+0100)
Subject: ARM: 7280/1: mmc: mmci: Cache MMCICLOCK and MMCIPOWER register
X-Git-Tag: v3.4-rc1~104^2^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7437cfa532842ce75189826742bddf1ba137f58e;p=pandora-kernel.git

ARM: 7280/1: mmc: mmci: Cache MMCICLOCK and MMCIPOWER register

Instead of reading a register value everytime we need to
apply a new value for it, maintain a cached copy for it.
This also means we are able to skip writes that are not
needed.

Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

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