From 3532a741f80c3b9ca975006f93a4a477e07e2cb3 Mon Sep 17 00:00:00 2001
From: Gavin Shan <gwshan@linux.vnet.ibm.com>
Date: Tue, 17 Mar 2015 16:15:03 +1100
Subject: [PATCH] powerpc/powernv: Use pci_dn, not device_node, in PCI config
 accessor

The PCI config accessors previously relied on device_node.  Unfortunately,
VFs don't have a corresponding device_node, so change the accessors to use
pci_dn instead.

[bhelgaas: changelog]
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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