322 static unsigned int zs_raw_get_ab_mctrl(struct zs_port *zport_a,  in zs_raw_get_ab_mctrl()  argument
328 	status_a = read_zsreg(zport_a, R0);  in zs_raw_get_ab_mctrl()
341 	struct zs_port *zport_a = &zport->scc->zport[ZS_CHAN_A];  in zs_raw_get_mctrl()  local
343 	return zport != zport_a ? zs_raw_get_ab_mctrl(zport_a, zport) : 0;  in zs_raw_get_mctrl()
348 	struct zs_port *zport_a = &zport->scc->zport[ZS_CHAN_A];  in zs_raw_xor_mctrl()  local
352 	if (zport == zport_a)  in zs_raw_xor_mctrl()
355 	mask_a = zport_a->regs[15];  in zs_raw_xor_mctrl()
366 		mctrl |= zs_raw_get_ab_mctrl(zport_a, zport) & mmask;  in zs_raw_xor_mctrl()
393 	struct zs_port *zport_a = &scc->zport[ZS_CHAN_A];  in zs_set_mctrl()  local
397 	if (zport != zport_a) {  in zs_set_mctrl()
399 			zport_a->regs[5] |= DTR;  in zs_set_mctrl()
401 			zport_a->regs[5] &= ~DTR;  in zs_set_mctrl()
403 			zport_a->regs[5] |= RTS;  in zs_set_mctrl()
405 			zport_a->regs[5] &= ~RTS;  in zs_set_mctrl()
406 		write_zsreg(zport_a, R5, zport_a->regs[5]);  in zs_set_mctrl()
459 	struct zs_port *zport_a = &scc->zport[ZS_CHAN_A];  in zs_stop_rx()  local
466 	if (zport != zport_a) {  in zs_stop_rx()
468 		zport_a->regs[15] &= ~(DCDIE | SYNCIE);  in zs_stop_rx()
469 		write_zsreg(zport_a, R15, zport_a->regs[15]);  in zs_stop_rx()
470 		if (!(zport_a->regs[15] & BRKIE)) {  in zs_stop_rx()
471 			zport_a->regs[1] &= ~EXT_INT_ENAB;  in zs_stop_rx()
472 			write_zsreg(zport_a, R1, zport_a->regs[1]);  in zs_stop_rx()
493 	struct zs_port *zport_a = &scc->zport[ZS_CHAN_A];  in zs_enable_ms()  local
495 	if (zport == zport_a)  in zs_enable_ms()
501 	if (!(zport_a->regs[1] & EXT_INT_ENAB))  in zs_enable_ms()
502 		write_zsreg(zport_a, R0, RES_EXT_INT);  in zs_enable_ms()
505 	zport_a->regs[1] |= EXT_INT_ENAB;  in zs_enable_ms()
506 	zport_a->regs[15] |= DCDIE | SYNCIE;  in zs_enable_ms()
513 	write_zsreg(zport_a, R1, zport_a->regs[1]);  in zs_enable_ms()
514 	write_zsreg(zport_a, R15, zport_a->regs[15]);  in zs_enable_ms()
650 static void zs_status_handle(struct zs_port *zport, struct zs_port *zport_a)  in zs_status_handle()  argument
675 	if (zport != zport_a) {  in zs_status_handle()
708 	struct zs_port *zport_a = &scc->zport[ZS_CHAN_A];  in zs_interrupt()  local
723 		zs_intreg = read_zsreg(zport_a, R3);  in zs_interrupt()
736 			zs_receive_chars(zport_a);  in zs_interrupt()
738 			zs_status_handle(zport_b, zport_a);  in zs_interrupt()
740 			zs_status_handle(zport_a, zport_a);  in zs_interrupt()
744 			zs_transmit_chars(zport_a);  in zs_interrupt()
857 	struct zs_port *zport_a = &scc->zport[ZS_CHAN_A];  in zs_set_termios()  local
944 	if (zport != zport_a) {  in zs_set_termios()