415 	struct uart_pmac_port *uap_a;  in pmz_interrupt()  local
421 	uap_a = pmz_get_port_A(uap);  in pmz_interrupt()
422 	uap_b = uap_a->mate;  in pmz_interrupt()
424 	spin_lock(&uap_a->port.lock);  in pmz_interrupt()
425 	r3 = read_zsreg(uap_a, R3);  in pmz_interrupt()
430 		if (!ZS_IS_OPEN(uap_a)) {  in pmz_interrupt()
434 		write_zsreg(uap_a, R0, RES_H_IUS);  in pmz_interrupt()
435 		zssync(uap_a);		  in pmz_interrupt()
437 			pmz_status_handle(uap_a);  in pmz_interrupt()
439 			push = pmz_receive_chars(uap_a);  in pmz_interrupt()
441 			pmz_transmit_chars(uap_a);  in pmz_interrupt()
445 	spin_unlock(&uap_a->port.lock);  in pmz_interrupt()