ATU_UNIT_BUSY
if (E6000SW_WAITREADY(sc, ATU_OPERATION, ATU_UNIT_BUSY)) {
(ret_opt | ATU_UNIT_BUSY | flag));
if (E6000SW_WAITREADY(sc, ATU_OPERATION, ATU_UNIT_BUSY))
if (E6000SW_WAITREADY(sc, ATU_OPERATION, ATU_UNIT_BUSY)) {
(reg | ATU_UNIT_BUSY | flag));
if (E6000SW_WAITREADY(sc, ATU_OPERATION, ATU_UNIT_BUSY))