slot);
                        goto out_err;
                }
-               sprintf(tdev->dev.bus_id, "tc%x", slot);
+               dev_set_name(&tdev->dev, "tc%x", slot);
                tdev->bus = tbus;
                tdev->dev.parent = &tbus->dev;
                tdev->dev.bus = &tc_bus_type;
                tdev->vendor[8] = 0;
                tdev->name[8] = 0;
 
-               pr_info("%s: %s %s %s\n", tdev->dev.bus_id, tdev->vendor,
+               pr_info("%s: %s %s %s\n", dev_name(&tdev->dev), tdev->vendor,
                        tdev->name, tdev->firmware);
 
                devsize = readb(module + offset + TC_SLOT_SIZE);
                } else {
                        printk(KERN_ERR "%s: Cannot provide slot space "
                               "(%dMiB required, up to %dMiB supported)\n",
-                              tdev->dev.bus_id, devsize >> 20,
+                              dev_name(&tdev->dev), devsize >> 20,
                               max(slotsize, extslotsize) >> 20);
                        kfree(tdev);
                        goto out_err;
                return 0;
 
        INIT_LIST_HEAD(&tc_bus.devices);
-       strcpy(tc_bus.dev.bus_id, "tc");
+       dev_set_name(&tc_bus.dev, "tc");
        device_register(&tc_bus.dev);
 
        if (tc_bus.info.slot_size) {