dev->ofdev.node = dp;
        dev->ofdev.dev.parent = &dev->bus->ofdev.dev;
        dev->ofdev.dev.bus = &ebus_bus_type;
-       sprintf(dev->ofdev.dev.bus_id, "ebus[%08x]", dp->node);
+       dev_set_name(&dev->ofdev.dev, "ebus[%08x]", dp->node);
 
        /* Register with core */
        if (of_device_register(&dev->ofdev) != 0)
                ebus->ofdev.node = dp;
                ebus->ofdev.dev.parent = &pdev->dev;
                ebus->ofdev.dev.bus = &ebus_bus_type;
-               sprintf(ebus->ofdev.dev.bus_id, "ebus%d", num_ebus);
+               dev_set_name(&ebus->ofdev.dev, "ebus%d", num_ebus);
 
                /* Register with core */
                if (of_device_register(&ebus->ofdev) != 0)
 
        op->dev.parent = parent;
        op->dev.bus = &of_platform_bus_type;
        if (!parent)
-               strcpy(op->dev.bus_id, "root");
+               dev_set_name(&op->dev, "root");
        else
-               sprintf(op->dev.bus_id, "%08x", dp->node);
+               dev_set_name(&op->dev, "%08x", dp->node);
 
        if (of_device_register(op)) {
                printk("%s: Could not register of device.\n",
 
        dev->class = class >> 8;
        dev->revision = class & 0xff;
 
-       sprintf(dev->dev.bus_id, "%04x:%02x:%02x.%d", pci_domain_nr(bus),
+       dev_set_name(&dev->dev, "%04x:%02x:%02x.%d", pci_domain_nr(bus),
                dev->bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn));
 
        if (ofpci_verbose)
 
        vio_fill_channel_info(hp, mp, vdev);
 
        if (!id) {
-               snprintf(vdev->dev.bus_id, BUS_ID_SIZE, "%s",
-                        bus_id_name);
+               dev_set_name(&vdev->dev, "%s", bus_id_name);
                vdev->dev_no = ~(u64)0;
        } else if (!cfg_handle) {
-               snprintf(vdev->dev.bus_id, BUS_ID_SIZE, "%s-%lu",
-                        bus_id_name, *id);
+               dev_set_name(&vdev->dev, "%s-%lu", bus_id_name, *id);
                vdev->dev_no = *id;
        } else {
-               snprintf(vdev->dev.bus_id, BUS_ID_SIZE, "%s-%lu-%lu",
-                        bus_id_name, *cfg_handle, *id);
+               dev_set_name(&vdev->dev, "%s-%lu-%lu", bus_id_name,
+                            *cfg_handle, *id);
                vdev->dev_no = *cfg_handle;
        }
 
        }
        vdev->dp = dp;
 
-       printk(KERN_INFO "VIO: Adding device %s\n", vdev->dev.bus_id);
+       printk(KERN_INFO "VIO: Adding device %s\n", dev_name(&vdev->dev));
 
        err = device_register(&vdev->dev);
        if (err) {
                printk(KERN_ERR "VIO: Could not register device %s, err=%d\n",
-                      vdev->dev.bus_id, err);
+                      dev_name(&vdev->dev), err);
                kfree(vdev);
                return NULL;
        }
        dev = device_find_child(&root_vdev->dev, (void *) node,
                                vio_md_node_match);
        if (dev) {
-               printk(KERN_INFO "VIO: Removing device %s\n", dev->bus_id);
+               printk(KERN_INFO "VIO: Removing device %s\n", dev_name(dev));
 
                device_unregister(dev);
        }
 
        else
                sdev->ofdev.dev.parent = &sdev->bus->ofdev.dev;
        sdev->ofdev.dev.bus = &sbus_bus_type;
-       sprintf(sdev->ofdev.dev.bus_id, "sbus[%08x]", dp->node);
+       dev_set_name(&sdev->ofdev.dev, "sbus[%08x]", dp->node);
 
        if (of_device_register(&sdev->ofdev) != 0)
                printk(KERN_DEBUG "sbus: device registration error for %s!\n",
        sbus->ofdev.node = dp;
        sbus->ofdev.dev.parent = NULL;
        sbus->ofdev.dev.bus = &sbus_bus_type;
-       sprintf(sbus->ofdev.dev.bus_id, "sbus%d", num_sbus);
+       dev_set_name(&sbus->ofdev.dev, "sbus%d", num_sbus);
 
        if (of_device_register(&sbus->ofdev) != 0)
                printk(KERN_DEBUG "sbus: device registration error for %s!\n",
-                      sbus->ofdev.dev.bus_id);
+                      dev_name(&sbus->ofdev.dev));
 
        dev_dp = dp->child;
        while (dev_dp) {