diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c
index ec9e5f3..6e149f4 100644
--- a/drivers/macintosh/macio_asic.c
+++ b/drivers/macintosh/macio_asic.c
@@ -33,7 +33,7 @@
 
 #undef DEBUG
 
-#define MAX_NODE_NAME_SIZE (BUS_ID_SIZE - 12)
+#define MAX_NODE_NAME_SIZE (20 - 12)
 
 static struct macio_chip      *macio_on_hold;
 
@@ -240,7 +240,7 @@
 	if (irq != NO_IRQ) {
 		dev->interrupt[index].start = irq;
 		dev->interrupt[index].flags = IORESOURCE_IRQ;
-		dev->interrupt[index].name = dev->ofdev.dev.bus_id;
+		dev->interrupt[index].name = dev_name(&dev->ofdev.dev);
 	}
 	if (dev->n_interrupts <= index)
 		dev->n_interrupts = index + 1;
@@ -303,7 +303,7 @@
 			break;
 		res->start = irq;
 		res->flags = IORESOURCE_IRQ;
-		res->name = dev->ofdev.dev.bus_id;
+		res->name = dev_name(&dev->ofdev.dev);
 		if (macio_resource_quirks(np, res, i - 1)) {
 			memset(res, 0, sizeof(struct resource));
 			continue;
@@ -325,7 +325,7 @@
 		if (index >= MACIO_DEV_COUNT_RESOURCES)
 			break;
 		*res = r;
-		res->name = dev->ofdev.dev.bus_id;
+		res->name = dev_name(&dev->ofdev.dev);
 
 		if (macio_resource_quirks(np, res, index)) {
 			memset(res, 0, sizeof(struct resource));
@@ -338,7 +338,7 @@
 		if (insert_resource(parent_res, res)) {
 			printk(KERN_WARNING "Can't request resource "
 			       "%d for MacIO device %s\n",
-			       index, dev->ofdev.dev.bus_id);
+			       index, dev_name(&dev->ofdev.dev));
 		}
 	}
 	dev->n_resources = index;
@@ -385,8 +385,8 @@
 
 	/* MacIO itself has a different reg, we use it's PCI base */
 	if (np == chip->of_node) {
-		sprintf(dev->ofdev.dev.bus_id, "%1d.%08x:%.*s",
-			chip->lbus.index,
+		dev_set_name(&dev->ofdev.dev, "%1d.%08x:%.*s",
+			     chip->lbus.index,
 #ifdef CONFIG_PCI
 			(unsigned int)pci_resource_start(chip->lbus.pdev, 0),
 #else
@@ -395,9 +395,9 @@
 			MAX_NODE_NAME_SIZE, np->name);
 	} else {
 		reg = of_get_property(np, "reg", NULL);
-		sprintf(dev->ofdev.dev.bus_id, "%1d.%08x:%.*s",
-			chip->lbus.index,
-			reg ? *reg : 0, MAX_NODE_NAME_SIZE, np->name);
+		dev_set_name(&dev->ofdev.dev, "%1d.%08x:%.*s",
+			     chip->lbus.index,
+			     reg ? *reg : 0, MAX_NODE_NAME_SIZE, np->name);
 	}
 
 	/* Setup interrupts & resources */
@@ -408,7 +408,7 @@
 	/* Register with core */
 	if (of_device_register(&dev->ofdev) != 0) {
 		printk(KERN_DEBUG"macio: device registration error for %s!\n",
-		       dev->ofdev.dev.bus_id);
+		       dev_name(&dev->ofdev.dev));
 		kfree(dev);
 		return NULL;
 	}
@@ -558,7 +558,7 @@
 		resource_no,
 		macio_resource_len(dev, resource_no),
 		macio_resource_start(dev, resource_no),
-		dev->ofdev.dev.bus_id);
+		dev_name(&dev->ofdev.dev));
 	return -EBUSY;
 }