twa_check_ctlr_state
if ((error = twa_check_ctlr_state(sc, status_reg)))
if (twa_check_ctlr_state(sc, status_reg))
static int twa_check_ctlr_state(struct twa_softc *, uint32_t);
if ((rv = twa_check_ctlr_state(sc, status_reg)))
if (twa_check_ctlr_state(sc, status_reg)) {
twa_check_ctlr_state(sc, status_reg)) {