From 8b2bc2c9351b4c09bc3d9096e2a7af3988565dbf Mon Sep 17 00:00:00 2001
From: Felipe Balbi <balbi@ti.com>
Date: Mon, 7 Apr 2014 10:58:01 -0500
Subject: [PATCH] usb: musb: omap2430: make sure clocks are enabled when
 running mailbox

on early initialization we could fall into
a situation where the mailbox is called before
MUSB's clocks are running, in order to avoid
that, make sure mailbox is always wrapped with
pm_runtime calls.

Reported-by: Stefan Roese <sr@denx.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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