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_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c
index 233b22b..97a77bc 100644
--- a/arch/sparc64/kernel/pci_sun4v.c
+++ b/arch/sparc64/kernel/pci_sun4v.c
@@ -550,7 +550,7 @@
 	struct property *prop;
 	struct device_node *dp;
 
-	dp = pbm->prom_node;
+	dp = pbm->op->node;
 	prop = of_find_property(dp, "66mhz-capable", NULL);
 	pbm->is_66mhz_capable = (prop != NULL);
 	pbm->pci_bus = pci_scan_one_pbm(pbm, parent);
@@ -594,7 +594,7 @@
 	u32 dma_mask, dma_offset;
 	const u32 *vdma;
 
-	vdma = of_get_property(pbm->prom_node, "virtual-dma", NULL);
+	vdma = of_get_property(pbm->op->node, "virtual-dma", NULL);
 	if (!vdma)
 		vdma = vdma_default;
 
@@ -901,7 +901,7 @@
 
 	pbm->index = pci_num_pbms++;
 
-	pbm->prom_node = dp;
+	pbm->op = op;
 
 	pbm->devhandle = devhandle;