sc_done
bool sc_done;
sc->sc_done = true;
sc->sc_done = false;
while (!sc->sc_done) {
sc->sc_done |= done;
done = sc->sc_done;
sc->sc_done = 0;
uint32_t sc_done;
void sc_done(struct sc_scb *);
extern void sc_done(struct sc_scb *);
sc_done(scb);
sc_done(scb);
sc_done(scb);