sparc64: Record OF device instead of device node pointer in pci_pbm_info.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c
index 3070f6f..c6e81de 100644
--- a/arch/sparc64/kernel/pci.c
+++ b/arch/sparc64/kernel/pci.c
@@ -676,7 +676,7 @@
 struct pci_bus * __devinit pci_scan_one_pbm(struct pci_pbm_info *pbm,
 					    struct device *parent)
 {
-	struct device_node *node = pbm->prom_node;
+	struct device_node *node = pbm->op->node;
 	struct pci_bus *bus;
 
 	printk("PCI: Scanning PBM %s\n", node->full_name);