SB2               846 drivers/tty/serial/ip22zilog.c 		up->curregs[4] |= SB2;
SB2              1068 drivers/tty/serial/pmac_zilog.c 		uap->curregs[4] |= SB2;
SB2               911 drivers/tty/serial/sunzilog.c 		up->curregs[R4] |= SB2;
SB2               891 drivers/tty/serial/zs.c 		zport->regs[4] |= SB2;