R2_RSL
if (sc->int_stat1 & R2_RSL) {
sc->int_stat1 &= ~R2_RSL;
if ((sc->int_stat1 & R2_RSL) == 0)
sc->int_stat1 |= R2_RSL;
if (sc->int_stat1 & R2_RSL) {
sc->int_stat1 &= ~R2_RSL;
if ((sc->int_stat1 & (R2_STO|R2_RSL|R2_ARBF))
sc->int_stat1 &= ~R2_RSL; /* ignore RSL inter request */
if ((sc->int_stat1 & R2_RSL) == 0)