From a028c6da34d434e35ba8322568c756ea97ff3c18 Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Sat, 14 Dec 2013 16:23:51 +0100
Subject: [PATCH] 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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Reading git-format-patch failed