From: Vincent Yang <vincent.yang.fujitsu@gmail.com>
Date: Tue, 20 Jan 2015 08:05:15 +0000 (+0800)
Subject: mmc: sdhci: add a voltage switch callback function
X-Git-Tag: fixes-v4.0-rc1~141^2~38
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9d967a61b4fc77b12f4b038a9345b5cda5bb2a7a;p=pandora-kernel.git

mmc: sdhci: add a voltage switch callback function

This patch adds a callback function to do
controller-specific actions when switching voltages.
It is a preparation and will be used by Fujitsu
SDHCI controller f_sdh30 driver.

Signed-off-by: Vincent Yang <Vincent.Yang@tw.fujitsu.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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