return 0;
 }
 
-static void acpi_device_shutdown(struct device *dev)
-{
-       struct acpi_device *acpi_dev = to_acpi_device(dev);
-       struct acpi_driver *acpi_drv = acpi_dev->driver;
-
-       if (acpi_drv && acpi_drv->ops.shutdown)
-               acpi_drv->ops.shutdown(acpi_dev);
-
-       return ;
-}
-
 struct bus_type acpi_bus_type = {
        .name           = "acpi",
        .suspend        = acpi_device_suspend,
        .resume         = acpi_device_resume,
-       .shutdown       = acpi_device_shutdown,
        .match          = acpi_bus_match,
        .probe          = acpi_device_probe,
        .remove         = acpi_device_remove,
 
 typedef int (*acpi_op_resume) (struct acpi_device * device);
 typedef int (*acpi_op_bind) (struct acpi_device * device);
 typedef int (*acpi_op_unbind) (struct acpi_device * device);
-typedef int (*acpi_op_shutdown) (struct acpi_device * device);
 
 struct acpi_bus_ops {
        u32 acpi_op_add:1;
        acpi_op_resume resume;
        acpi_op_bind bind;
        acpi_op_unbind unbind;
-       acpi_op_shutdown shutdown;
 };
 
 struct acpi_driver {