[PATCH] dlpar enable for OF pci probe

This patch contains the arch/ppc64 bits for enabling DLPAR and PCI
Hotplug for the new OF-based PCI probe mechanism.  This code path is
currently broken.

Signed-off-by: John Rose <johnrose@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/ppc64/kernel/rtas_pci.c b/arch/ppc64/kernel/rtas_pci.c
index 3ad15c9..3c3f191 100644
--- a/arch/ppc64/kernel/rtas_pci.c
+++ b/arch/ppc64/kernel/rtas_pci.c
@@ -440,7 +440,6 @@
 	struct device_node *root = of_find_node_by_path("/");
 	unsigned int root_size_cells = 0;
 	struct pci_controller *phb;
-	struct pci_bus *bus;
 	int primary;
 
 	root_size_cells = prom_n_size_cells(root);
@@ -456,10 +455,7 @@
 	of_node_put(root);
 
 	pci_devs_phb_init_dynamic(phb);
-	phb->last_busno = 0xff;
-	bus = pci_scan_bus(phb->first_busno, phb->ops, phb->arch_data);
-	phb->bus = bus;
-	phb->last_busno = bus->subordinate;
+	scan_phb(phb);
 
 	return phb;
 }