From: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Date: Thu, 25 Sep 2014 14:39:11 +0000 (+0200)
Subject: regulator: ltc3589: fix broken voltage transitions
X-Git-Tag: fixes-for-v3.18-merge-window~31^2~6^3
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c5bb725ac2d1a13e9e766bf9a16bac986ade17cd;p=pandora-kernel.git

regulator: ltc3589: fix broken voltage transitions

VCCR is used as a trigger to start voltage transitions, so
we need to mark it volatile in order to make sure it gets
written to hardware every time we set a new voltage.

Fixes regulator voltage being stuck at the first voltage
set after driver load.

[lst: reworded commit message]
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
---

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