ac97->dev.bus = &ac97_bus_type;
        ac97->dev.parent = ac97->bus->card->dev;
        ac97->dev.release = ac97_device_release;
-       snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s",
-                ac97->bus->card->number, ac97->num,
-                snd_ac97_get_short_name(ac97));
+       dev_set_name(&ac97->dev, "%d-%d:%s",
+                    ac97->bus->card->number, ac97->num,
+                    snd_ac97_get_short_name(ac97));
        if ((err = device_register(&ac97->dev)) < 0) {
                snd_printk(KERN_ERR "Can't register ac97 bus\n");
                ac97->dev.bus = NULL;