From beb7e592bcfd750951c47580494f13065f0fd44c Mon Sep 17 00:00:00 2001
From: Julien DELACOU <julien.delacou@st.com>
Date: Wed, 20 Nov 2013 17:29:49 +0100
Subject: [PATCH] staging: dwc2: add check on dwc2_core_reset return

If the GRSTCTL_CSFTRST self-clearing bit never comes
back to 0 for any reason, the controller is under reset
state and cannot be used. It's preferable to abort
initialization in such case.

Signed-off-by: Julien Delacou <julien.delacou@st.com>
Acked-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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