From: Gavin Shan <shangw@linux.vnet.ibm.com>
Date: Thu, 27 Jun 2013 05:46:42 +0000 (+0800)
Subject: powerpc/eeh: Don't collect PCI-CFG data on PHB
X-Git-Tag: v3.11-rc1~94^2~42
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c35ae1796bd4865bad322645a7edb92d223dfb51;p=pandora-kernel.git

powerpc/eeh: Don't collect PCI-CFG data on PHB

When the PHB is fenced or dead, it's pointless to collect the data
from PCI config space of subordinate PCI devices since it should
return 0xFF's. The patch also fixes overwritten buffer while getting
PCI config data.

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

Reading git-diff-tree failed