ath9k_init_device
ret = ath9k_init_device(dev_id, sc, &ath_ahb_bus_ops);
int ath9k_init_device(u16 devid, struct ath_softc *sc,
ret = ath9k_init_device(priv, devid, product, drv_info);
ret = ath9k_init_device(id->device, sc, &ath_pci_bus_ops);