ep_dev->dev.class = ep_class->class;
        ep_dev->dev.parent = parent;
        ep_dev->dev.release = ep_device_release;
-       snprintf(ep_dev->dev.bus_id, BUS_ID_SIZE, "usbdev%d.%d_ep%02x",
+       dev_set_name(&ep_dev->dev, "usbdev%d.%d_ep%02x",
                 udev->bus->busnum, udev->devnum,
                 endpoint->desc.bEndpointAddress);
 
 
                intf->dev.dma_mask = dev->dev.dma_mask;
                device_initialize(&intf->dev);
                mark_quiesced(intf);
-               sprintf(&intf->dev.bus_id[0], "%d-%s:%d.%d",
+               dev_set_name(&intf->dev, "%d-%s:%d.%d",
                        dev->bus->busnum, dev->devpath,
                        configuration, alt->desc.bInterfaceNumber);
        }
 
                dev->devpath[0] = '0';
 
                dev->dev.parent = bus->controller;
-               sprintf(&dev->dev.bus_id[0], "usb%d", bus->busnum);
+               dev_set_name(&dev->dev, "usb%d", bus->busnum);
                root_hub = 1;
        } else {
                /* match any labeling on the hubs; it's one-based */
                                "%s.%d", parent->devpath, port1);
 
                dev->dev.parent = &parent->dev;
-               sprintf(&dev->dev.bus_id[0], "%d-%s",
-                       bus->busnum, dev->devpath);
+               dev_set_name(&dev->dev, "%d-%s", bus->busnum, dev->devpath);
 
                /* hub driver sets up TT records */
        }
 
        spin_lock_init(&dev->lock);
        dev->gadget.ops = &udc_ops;
 
-       strcpy(dev->gadget.dev.bus_id, "gadget");
+       dev_set_name(&dev->gadget.dev, "gadget");
        dev->gadget.dev.release = gadget_release;
        dev->gadget.name = name;
        dev->gadget.name = name;
 
        /* maybe claim OTG support, though we won't complete HNP */
        dum->gadget.is_otg = (dummy_to_hcd(dum)->self.otg_port != 0);
 
-       strcpy (dum->gadget.dev.bus_id, "gadget");
+       dev_set_name(&dum->gadget.dev, "gadget");
        dum->gadget.dev.parent = &pdev->dev;
        dum->gadget.dev.release = dummy_gadget_release;
        rc = device_register (&dum->gadget.dev);
 
                curlun->dev.parent = &gadget->dev;
                curlun->dev.driver = &fsg_driver.driver;
                dev_set_drvdata(&curlun->dev, fsg);
-               snprintf(curlun->dev.bus_id, BUS_ID_SIZE,
-                               "%s-lun%d", dev_name(&gadget->dev), i);
+               dev_set_name(&curlun->dev,"%s-lun%d",
+                            dev_name(&gadget->dev), i);
 
                if ((rc = device_register(&curlun->dev)) != 0) {
                        INFO(fsg, "failed to register LUN%d: %d\n", i, rc);
 
        udc_controller->gadget.name = driver_name;
 
        /* Setup gadget.dev and register with kernel */
-       strcpy(udc_controller->gadget.dev.bus_id, "gadget");
+       dev_set_name(&udc_controller->gadget.dev, "gadget");
        udc_controller->gadget.dev.release = fsl_udc_release;
        udc_controller->gadget.dev.parent = &pdev->dev;
        ret = device_register(&udc_controller->gadget.dev);
 
        dev->gadget.ops = &goku_ops;
 
        /* the "gadget" abstracts/virtualizes the controller */
-       strcpy(dev->gadget.dev.bus_id, "gadget");
+       dev_set_name(&dev->gadget.dev, "gadget");
        dev->gadget.dev.parent = &pdev->dev;
        dev->gadget.dev.dma_mask = pdev->dev.dma_mask;
        dev->gadget.dev.release = gadget_release;
 
 
        m66592->gadget.ops = &m66592_gadget_ops;
        device_initialize(&m66592->gadget.dev);
-       strcpy(m66592->gadget.dev.bus_id, "gadget");
+       dev_set_name(&m66592->gadget, "gadget");
        m66592->gadget.is_dualspeed = 1;
        m66592->gadget.dev.parent = &pdev->dev;
        m66592->gadget.dev.dma_mask = pdev->dev.dma_mask;
 
        dev->gadget.is_dualspeed = 1;
 
        /* the "gadget" abstracts/virtualizes the controller */
-       strcpy (dev->gadget.dev.bus_id, "gadget");
+       dev_set_name(&dev->gadget.dev, "gadget");
        dev->gadget.dev.parent = &pdev->dev;
        dev->gadget.dev.dma_mask = pdev->dev.dma_mask;
        dev->gadget.dev.release = gadget_release;
 
        udc->gadget.name = driver_name;
 
        device_initialize(&udc->gadget.dev);
-       strcpy (udc->gadget.dev.bus_id, "gadget");
+       dev_set_name(&udc->gadget.dev, "gadget");
        udc->gadget.dev.release = omap_udc_release;
        udc->gadget.dev.parent = &odev->dev;
        if (use_dma)
 
        /* prevent usb-core allocating DMA pages */
        dev->dma_mask = NULL;
 
-       hcd = usb_create_hcd(&isp1760_hc_driver, dev, dev->bus_id);
+       hcd = usb_create_hcd(&isp1760_hc_driver, dev, dev_name(dev));
        if (!hcd)
                return ERR_PTR(-ENOMEM);
 
 
                port->dev.bus = &usb_serial_bus_type;
                port->dev.release = &port_release;
 
-               snprintf (&port->dev.bus_id[0], sizeof(port->dev.bus_id), "ttyUSB%d", port->number);
+               dev_set_name(&port->dev, "ttyUSB%d", port->number);
                dbg ("%s - registering %s", __func__, dev_name(&port->dev));
                retval = device_register(&port->dev);
                if (retval)