down_write(&bus_type_sem);
                list_add_tail(&type->list, &bus_type_list);
                up_write(&bus_type_sem);
-               DBG("ACPI bus type %s registered\n", type->bus->name);
+               printk(KERN_INFO PREFIX "bus type %s registered\n", type->bus->name);
                return 0;
        }
        return -ENODEV;
                down_write(&bus_type_sem);
                list_del_init(&type->list);
                up_write(&bus_type_sem);
-               DBG("ACPI bus type %s unregistered\n", type->bus->name);
+               printk(KERN_INFO PREFIX "ACPI bus type %s unregistered\n", type->bus->name);
                return 0;
        }
        return -ENODEV;
        }
        type = acpi_get_bus_type(dev->bus);
        if (!type) {
-               printk(KERN_INFO PREFIX "No ACPI bus support for %s\n",
-                      dev->bus_id);
+               DBG("No ACPI bus support for %s\n", dev->bus_id);
                ret = -EINVAL;
                goto end;
        }
        if ((ret = type->find_device(dev, &handle)) != 0)
-               printk(KERN_INFO PREFIX "Can't get handler for %s\n",
-                      dev->bus_id);
+               DBG("Can't get handler for %s\n", dev->bus_id);
       end:
        if (!ret)
                acpi_bind_one(dev, handle);