diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index d6708da..4cdd0f6 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -705,7 +705,7 @@
 	 * Check to see that device has a DMA window and configure
 	 * entitlement for the device.
 	 */
-	if (of_get_property(viodev->dev.archdata.of_node,
+	if (of_get_property(viodev->dev.of_node,
 	                    "ibm,my-dma-window", NULL)) {
 		/* Check that the driver is CMO enabled and get desired DMA */
 		if (!viodrv->get_desired_dma) {
@@ -1049,7 +1049,7 @@
 	if (firmware_has_feature(FW_FEATURE_ISERIES))
 		return vio_build_iommu_table_iseries(dev);
 
-	dma_window = of_get_property(dev->dev.archdata.of_node,
+	dma_window = of_get_property(dev->dev.of_node,
 				  "ibm,my-dma-window", NULL);
 	if (!dma_window)
 		return NULL;
@@ -1058,7 +1058,7 @@
 	if (tbl == NULL)
 		return NULL;
 
-	of_parse_dma_window(dev->dev.archdata.of_node, dma_window,
+	of_parse_dma_window(dev->dev.of_node, dma_window,
 			    &tbl->it_index, &offset, &size);
 
 	/* TCE table size - measured in tce entries */
@@ -1086,7 +1086,7 @@
 {
 	while (ids->type[0] != '\0') {
 		if ((strncmp(dev->type, ids->type, strlen(ids->type)) == 0) &&
-		    of_device_is_compatible(dev->dev.archdata.of_node,
+		    of_device_is_compatible(dev->dev.of_node,
 					 ids->compat))
 			return ids;
 		ids++;
@@ -1179,7 +1179,7 @@
 static void __devinit vio_dev_release(struct device *dev)
 {
 	/* XXX should free TCE table */
-	of_node_put(dev->archdata.of_node);
+	of_node_put(dev->of_node);
 	kfree(to_vio_dev(dev));
 }
 
@@ -1231,7 +1231,6 @@
 			viodev->unit_address = *unit_address;
 	}
 	viodev->dev.of_node = of_node_get(of_node);
-	viodev->dev.archdata.of_node = viodev->dev.of_node;
 
 	if (firmware_has_feature(FW_FEATURE_CMO))
 		vio_cmo_set_dma_ops(viodev);
@@ -1316,7 +1315,7 @@
 static ssize_t devspec_show(struct device *dev,
 		struct device_attribute *attr, char *buf)
 {
-	struct device_node *of_node = dev->archdata.of_node;
+	struct device_node *of_node = dev->of_node;
 
 	return sprintf(buf, "%s\n", of_node ? of_node->full_name : "none");
 }
@@ -1348,7 +1347,7 @@
 	struct device_node *dn;
 	const char *cp;
 
-	dn = dev->archdata.of_node;
+	dn = dev->of_node;
 	if (!dn)
 		return -ENODEV;
 	cp = of_get_property(dn, "compatible", NULL);
@@ -1379,7 +1378,7 @@
 */
 const void *vio_get_attribute(struct vio_dev *vdev, char *which, int *length)
 {
-	return of_get_property(vdev->dev.archdata.of_node, which, length);
+	return of_get_property(vdev->dev.of_node, which, length);
 }
 EXPORT_SYMBOL(vio_get_attribute);