Lines Matching refs:LSR
1322 ((INB(LSR) & XSRE) == 0));
1420 (void) INB(LSR);
1529 while ((INB(LSR) & XHRE) == 0) {
1546 return ((INB(LSR) & RCA) != 0);
1646 lsr = INB(LSR);
1653 (void) INB(LSR);
1705 lsr = INB(LSR);
1774 lsr = INB(LSR);
1889 lsr = INB(LSR);
2719 if (INB(LSR) & XHRE) {
2748 if (INB(LSR) & XHRE) {
3057 while ((INB(LSR) & XSRE) == 0) {
3715 if ((ss = async->async_flowc) != '\0' && (INB(LSR) & XHRE)) {