602 	if (p->em485)  in serial8250_em485_init()
605 	p->em485 = kmalloc(sizeof(struct uart_8250_em485), GFP_ATOMIC);  in serial8250_em485_init()
606 	if (!p->em485)  in serial8250_em485_init()
609 	hrtimer_init(&p->em485->stop_tx_timer, CLOCK_MONOTONIC,  in serial8250_em485_init()
611 	hrtimer_init(&p->em485->start_tx_timer, CLOCK_MONOTONIC,  in serial8250_em485_init()
613 	p->em485->stop_tx_timer.function = &serial8250_em485_handle_stop_tx;  in serial8250_em485_init()
614 	p->em485->start_tx_timer.function = &serial8250_em485_handle_start_tx;  in serial8250_em485_init()
615 	p->em485->port = p;  in serial8250_em485_init()
616 	p->em485->active_timer = NULL;  in serial8250_em485_init()
617 	p->em485->tx_stopped = true;  in serial8250_em485_init()
620 	if (p->em485->tx_stopped)  in serial8250_em485_init()
641 	if (!p->em485)  in serial8250_em485_destroy()
644 	hrtimer_cancel(&p->em485->start_tx_timer);  in serial8250_em485_destroy()
645 	hrtimer_cancel(&p->em485->stop_tx_timer);  in serial8250_em485_destroy()
647 	kfree(p->em485);  in serial8250_em485_destroy()
648 	p->em485 = NULL;  in serial8250_em485_destroy()
1463 	struct uart_8250_em485 *em485 = container_of(t, struct uart_8250_em485,  in serial8250_em485_handle_stop_tx()  local
1465 	struct uart_8250_port *p = em485->port;  in serial8250_em485_handle_stop_tx()
1470 	if (em485->active_timer == &em485->stop_tx_timer) {  in serial8250_em485_handle_stop_tx()
1472 		em485->active_timer = NULL;  in serial8250_em485_handle_stop_tx()
1473 		em485->tx_stopped = true;  in serial8250_em485_handle_stop_tx()
1488 	struct uart_8250_em485 *em485 = p->em485;  in __stop_tx_rs485()  local
1497 		em485->active_timer = &em485->stop_tx_timer;  in __stop_tx_rs485()
1498 		hrtimer_start(&em485->stop_tx_timer, ns_to_ktime(stop_delay), HRTIMER_MODE_REL);  in __stop_tx_rs485()
1501 		em485->active_timer = NULL;  in __stop_tx_rs485()
1502 		em485->tx_stopped = true;  in __stop_tx_rs485()
1508 	struct uart_8250_em485 *em485 = p->em485;  in __stop_tx()  local
1510 	if (em485) {  in __stop_tx()
1617 	struct uart_8250_em485 *em485 = up->em485;  in start_tx_rs485()  local
1628 	if (em485->active_timer == &em485->stop_tx_timer)  in start_tx_rs485()
1629 		hrtimer_try_to_cancel(&em485->stop_tx_timer);  in start_tx_rs485()
1631 	em485->active_timer = NULL;  in start_tx_rs485()
1633 	if (em485->tx_stopped) {  in start_tx_rs485()
1634 		em485->tx_stopped = false;  in start_tx_rs485()
1639 			em485->active_timer = &em485->start_tx_timer;  in start_tx_rs485()
1640 			start_hrtimer_ms(&em485->start_tx_timer,  in start_tx_rs485()
1651 	struct uart_8250_em485 *em485 = container_of(t, struct uart_8250_em485,  in serial8250_em485_handle_start_tx()  local
1653 	struct uart_8250_port *p = em485->port;  in serial8250_em485_handle_start_tx()
1657 	if (em485->active_timer == &em485->start_tx_timer) {  in serial8250_em485_handle_start_tx()
1659 		em485->active_timer = NULL;  in serial8250_em485_handle_start_tx()
1669 	struct uart_8250_em485 *em485 = up->em485;  in serial8250_start_tx()  local
1676 	if (em485) {  in serial8250_start_tx()
1677 		if ((em485->active_timer == &em485->start_tx_timer) ||  in serial8250_start_tx()
3384 	struct uart_8250_em485 *em485 = up->em485;  in serial8250_console_write()  local
3409 	if (em485) {  in serial8250_console_write()
3410 		if (em485->tx_stopped)  in serial8250_console_write()
3446 	if (em485) {  in serial8250_console_write()
3448 		if (em485->tx_stopped)  in serial8250_console_write()