tws_ctlr_ready
extern boolean tws_ctlr_ready(struct tws_softc *sc);
if ( !tws_ctlr_ready(sc) )
extern boolean tws_ctlr_ready(struct tws_softc *sc);
if ( tws_ctlr_ready(sc) ) {
if(tws_ctlr_ready(sc))
boolean tws_ctlr_ready(struct tws_softc *sc);