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_sabre.c b/arch/sparc64/kernel/pci_sabre.c
index 8f779b5..196049b 100644
--- a/arch/sparc64/kernel/pci_sabre.c
+++ b/arch/sparc64/kernel/pci_sabre.c
@@ -543,7 +543,7 @@
 
 static void sabre_register_error_handlers(struct pci_pbm_info *pbm)
 {
-	struct device_node *dp = pbm->prom_node;
+	struct device_node *dp = pbm->op->node;
 	struct of_device *op;
 	unsigned long base = pbm->controller_regs;
 	u64 tmp;
@@ -750,7 +750,7 @@
 	pbm->index = pci_num_pbms++;
 
 	pbm->chip_type = PBM_CHIP_TYPE_SABRE;
-	pbm->prom_node = dp;
+	pbm->op = op;
 	pci_get_pbm_props(pbm);
 
 	pci_determine_mem_io_space(pbm);