macio_unregister_driver
extern void macio_unregister_driver(struct macio_driver *);
macio_unregister_driver(&pata_macio_driver);
EXPORT_SYMBOL(macio_unregister_driver);
macio_unregister_driver(&rackmeter_driver);
macio_unregister_driver(&bmac_driver);
macio_unregister_driver(&mace_driver);
return macio_unregister_driver(&mac53c94_driver);
return macio_unregister_driver(&mesh_driver);
macio_unregister_driver(&pmz_driver);
macio_unregister_driver(&i2sbus_drv);