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_psycho.c b/arch/sparc64/kernel/pci_psycho.c
index 70a7af0..4562b3e 100644
--- a/arch/sparc64/kernel/pci_psycho.c
+++ b/arch/sparc64/kernel/pci_psycho.c
@@ -690,7 +690,7 @@
 #define  PSYCHO_ECCCTRL_CE	 0x2000000000000000UL /* Enable CE INterrupts */
 static void psycho_register_error_handlers(struct pci_pbm_info *pbm)
 {
-	struct of_device *op = of_find_device_by_node(pbm->prom_node);
+	struct of_device *op = of_find_device_by_node(pbm->op->node);
 	unsigned long base = pbm->controller_regs;
 	u64 tmp;
 	int err;
@@ -967,7 +967,7 @@
 	pbm->chip_version = of_getintprop_default(dp, "version#", 0);
 	pbm->chip_revision = of_getintprop_default(dp, "module-revision#", 0);
 
-	pbm->prom_node = dp;
+	pbm->op = op;
 	pbm->name = dp->full_name;
 
 	printk(KERN_INFO "%s: PSYCHO PCI Bus Module ver[%x:%x]\n",