From b95cd2cd44b39cf11087b15f74e29ef9f2c6bf0f Mon Sep 17 00:00:00 2001
From: Gavin Shan <shangw@linux.vnet.ibm.com>
Date: Thu, 20 Jun 2013 13:21:16 +0800
Subject: [PATCH] powerpc/eeh: Allow to check fenced PHB proactively

It's meaningless to handle frozen PE if we already had fenced PHB.
The patch intends to check the PHB state before checking PE. If the
PHB has been put into fenced state, we need take care of that firstly.

Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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