From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Sat, 14 Dec 2013 15:23:51 +0000 (+0100)
Subject: ARM: shmobile: wait for MSTP clock status to toggle, when enabling it
X-Git-Tag: v3.15-rc1~76^2~26^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a028c6da34d434e35ba8322568c756ea97ff3c18;p=pandora-kernel.git

ARM: shmobile: wait for MSTP clock status to toggle, when enabling it

On r-/sh-mobile SoCs MSTP clocks are used by the runtime PM to dynamically
enable and disable peripheral clocks. To make sure the clock has really
started we have to read back its status register until it confirms success.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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