197 		if (!zport->scc)  in zs_dump()
238 	struct zs_scc *scc = zport->scc;  in zs_transmit_drain()  local
242 		zs_spin_unlock_cond_irq(&scc->zlock, irq);  in zs_transmit_drain()
244 		zs_spin_lock_cond_irq(&scc->zlock, irq);  in zs_transmit_drain()
251 	struct zs_scc *scc = zport->scc;  in zs_line_drain()  local
255 		zs_spin_unlock_cond_irq(&scc->zlock, irq);  in zs_line_drain()
257 		zs_spin_lock_cond_irq(&scc->zlock, irq);  in zs_line_drain()
306 	struct zs_scc *scc = zport->scc;  in zs_tx_empty()  local
310 	spin_lock_irqsave(&scc->zlock, flags);  in zs_tx_empty()
312 	spin_unlock_irqrestore(&scc->zlock, flags);  in zs_tx_empty()
336 	struct zs_port *zport_a = &zport->scc->zport[ZS_CHAN_A];  in zs_raw_get_mctrl()
343 	struct zs_port *zport_a = &zport->scc->zport[ZS_CHAN_A];  in zs_raw_xor_mctrl()
374 	struct zs_scc *scc = zport->scc;  in zs_get_mctrl()  local
377 	spin_lock(&scc->zlock);  in zs_get_mctrl()
379 	spin_unlock(&scc->zlock);  in zs_get_mctrl()
387 	struct zs_scc *scc = zport->scc;  in zs_set_mctrl()  local
388 	struct zs_port *zport_a = &scc->zport[ZS_CHAN_A];  in zs_set_mctrl()
391 	spin_lock(&scc->zlock);  in zs_set_mctrl()
415 	spin_unlock(&scc->zlock);  in zs_set_mctrl()
427 	struct zs_scc *scc = zport->scc;  in zs_stop_tx()  local
429 	spin_lock(&scc->zlock);  in zs_stop_tx()
431 	spin_unlock(&scc->zlock);  in zs_stop_tx()
439 	struct zs_scc *scc = zport->scc;  in zs_start_tx()  local
441 	spin_lock(&scc->zlock);  in zs_start_tx()
447 	spin_unlock(&scc->zlock);  in zs_start_tx()
453 	struct zs_scc *scc = zport->scc;  in zs_stop_rx()  local
454 	struct zs_port *zport_a = &scc->zport[ZS_CHAN_A];  in zs_stop_rx()
456 	spin_lock(&scc->zlock);  in zs_stop_rx()
481 	spin_unlock(&scc->zlock);  in zs_stop_rx()
487 	struct zs_scc *scc = zport->scc;  in zs_enable_ms()  local
488 	struct zs_port *zport_a = &scc->zport[ZS_CHAN_A];  in zs_enable_ms()
493 	spin_lock(&scc->zlock);  in zs_enable_ms()
511 	spin_unlock(&scc->zlock);  in zs_enable_ms()
517 	struct zs_scc *scc = zport->scc;  in zs_break_ctl()  local
520 	spin_lock_irqsave(&scc->zlock, flags);  in zs_break_ctl()
526 	spin_unlock_irqrestore(&scc->zlock, flags);  in zs_break_ctl()
539 	struct zs_scc *scc = zport->scc;  in zs_receive_chars()  local
546 		spin_lock(&scc->zlock);  in zs_receive_chars()
548 		spin_unlock(&scc->zlock);  in zs_receive_chars()
552 		spin_lock(&scc->zlock);  in zs_receive_chars()
555 		spin_unlock(&scc->zlock);  in zs_receive_chars()
571 				spin_lock(&scc->zlock);  in zs_receive_chars()
573 				spin_unlock(&scc->zlock);  in zs_receive_chars()
639 	struct zs_scc *scc = zport->scc;  in zs_transmit_chars()  local
641 	spin_lock(&scc->zlock);  in zs_transmit_chars()
643 	spin_unlock(&scc->zlock);  in zs_transmit_chars()
649 	struct zs_scc *scc = zport->scc;  in zs_status_handle()  local
653 	spin_lock(&scc->zlock);  in zs_status_handle()
661 			spin_unlock(&scc->zlock);  in zs_status_handle()
666 			spin_lock(&scc->zlock);  in zs_status_handle()
673 		spin_unlock(&scc->zlock);  in zs_status_handle()
689 		spin_lock(&scc->zlock);  in zs_status_handle()
695 	spin_unlock(&scc->zlock);  in zs_status_handle()
703 	struct zs_scc *scc = dev_id;  in zs_interrupt()  local
704 	struct zs_port *zport_a = &scc->zport[ZS_CHAN_A];  in zs_interrupt()
705 	struct zs_port *zport_b = &scc->zport[ZS_CHAN_B];  in zs_interrupt()
718 		spin_lock(&scc->zlock);  in zs_interrupt()
720 		spin_unlock(&scc->zlock);  in zs_interrupt()
755 	struct zs_scc *scc = zport->scc;  in zs_startup()  local
760 	irq_guard = atomic_add_return(1, &scc->irq_guard);  in zs_startup()
763 				  IRQF_SHARED, "scc", scc);  in zs_startup()
765 			atomic_add(-1, &scc->irq_guard);  in zs_startup()
772 	spin_lock_irqsave(&scc->zlock, flags);  in zs_startup()
800 	spin_unlock_irqrestore(&scc->zlock, flags);  in zs_startup()
808 	struct zs_scc *scc = zport->scc;  in zs_shutdown()  local
812 	spin_lock_irqsave(&scc->zlock, flags);  in zs_shutdown()
818 	spin_unlock_irqrestore(&scc->zlock, flags);  in zs_shutdown()
820 	irq_guard = atomic_add_return(-1, &scc->irq_guard);  in zs_shutdown()
822 		free_irq(zport->port.irq, scc);  in zs_shutdown()
828 	struct zs_port *zport_a = &zport->scc->zport[ZS_CHAN_A];  in zs_reset()
829 	struct zs_scc *scc = zport->scc;  in zs_reset()  local
833 	spin_lock_irqsave(&scc->zlock, flags);  in zs_reset()
845 	spin_unlock_irqrestore(&scc->zlock, flags);  in zs_reset()
852 	struct zs_scc *scc = zport->scc;  in zs_set_termios()  local
853 	struct zs_port *zport_a = &scc->zport[ZS_CHAN_A];  in zs_set_termios()
858 	spin_lock_irqsave(&scc->zlock, flags);  in zs_set_termios()
955 	spin_unlock_irqrestore(&scc->zlock, flags);  in zs_set_termios()
1067 		zport->scc	= &zs_sccs[chip];  in zs_probe()
1111 	struct zs_scc *scc = zport->scc;  in zs_console_putchar()  local
1115 	spin_lock_irqsave(&scc->zlock, flags);  in zs_console_putchar()
1119 	spin_unlock_irqrestore(&scc->zlock, flags);  in zs_console_putchar()
1131 	struct zs_scc *scc = zport->scc;  in zs_console_write()  local
1137 	spin_lock_irqsave(&scc->zlock, flags);  in zs_console_write()
1148 	spin_unlock_irqrestore(&scc->zlock, flags);  in zs_console_write()
1153 	spin_lock_irqsave(&scc->zlock, flags);  in zs_console_write()
1168 	spin_unlock_irqrestore(&scc->zlock, flags);  in zs_console_write()
1187 	if (!zport->scc)  in zs_console_setup()