From: Haijun Zhang <Haijun.Zhang@freescale.com>
Date: Mon, 26 Aug 2013 01:19:22 +0000 (+0800)
Subject: mmc: core: parse voltage from device-tree
X-Git-Tag: v3.12-rc1~69^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6e9e318b304fd7373a0754805a76a02ddbc69a41;p=pandora-kernel.git

mmc: core: parse voltage from device-tree

Add function to support getting voltage from device-tree.
If voltage-range is specified in device-tree node, this function
will parse it and return the available voltage mask.

Signed-off-by: Haijun Zhang <haijun.zhang@freescale.com>
Acked-by: Anton Vorontsov <anton@enomsg.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
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