542 	if (p->em485)  in serial8250_em485_init()
545 	p->em485 = kmalloc(sizeof(struct uart_8250_em485), GFP_ATOMIC);  in serial8250_em485_init()
546 	if (!p->em485)  in serial8250_em485_init()
549 	hrtimer_init(&p->em485->stop_tx_timer, CLOCK_MONOTONIC,  in serial8250_em485_init()
551 	hrtimer_init(&p->em485->start_tx_timer, CLOCK_MONOTONIC,  in serial8250_em485_init()
553 	p->em485->stop_tx_timer.function = &serial8250_em485_handle_stop_tx;  in serial8250_em485_init()
554 	p->em485->start_tx_timer.function = &serial8250_em485_handle_start_tx;  in serial8250_em485_init()
555 	p->em485->port = p;  in serial8250_em485_init()
556 	p->em485->active_timer = NULL;  in serial8250_em485_init()
557 	p->em485->tx_stopped = true;  in serial8250_em485_init()
560 	if (p->em485->tx_stopped)  in serial8250_em485_init()
581 	if (!p->em485)  in serial8250_em485_destroy()
584 	hrtimer_cancel(&p->em485->start_tx_timer);  in serial8250_em485_destroy()
585 	hrtimer_cancel(&p->em485->stop_tx_timer);  in serial8250_em485_destroy()
587 	kfree(p->em485);  in serial8250_em485_destroy()
588 	p->em485 = NULL;  in serial8250_em485_destroy()
1414 	struct uart_8250_em485 *em485 = container_of(t, struct uart_8250_em485,  in serial8250_em485_handle_stop_tx()  local
1416 	struct uart_8250_port *p = em485->port;  in serial8250_em485_handle_stop_tx()
1421 	if (em485->active_timer == &em485->stop_tx_timer) {  in serial8250_em485_handle_stop_tx()
1423 		em485->active_timer = NULL;  in serial8250_em485_handle_stop_tx()
1424 		em485->tx_stopped = true;  in serial8250_em485_handle_stop_tx()
1439 	struct uart_8250_em485 *em485 = p->em485;  in __stop_tx_rs485()  local
1451 		em485->active_timer = &em485->stop_tx_timer;  in __stop_tx_rs485()
1452 		hrtimer_start(&em485->stop_tx_timer, ns_to_ktime(stop_delay), HRTIMER_MODE_REL);  in __stop_tx_rs485()
1455 		em485->active_timer = NULL;  in __stop_tx_rs485()
1456 		em485->tx_stopped = true;  in __stop_tx_rs485()
1462 	struct uart_8250_em485 *em485 = p->em485;  in __stop_tx()  local
1464 	if (em485) {  in __stop_tx()
1569 	struct uart_8250_em485 *em485 = up->em485;  in start_tx_rs485()  local
1580 	if (em485->active_timer == &em485->stop_tx_timer)  in start_tx_rs485()
1581 		hrtimer_try_to_cancel(&em485->stop_tx_timer);  in start_tx_rs485()
1583 	em485->active_timer = NULL;  in start_tx_rs485()
1585 	if (em485->tx_stopped) {  in start_tx_rs485()
1586 		em485->tx_stopped = false;  in start_tx_rs485()
1591 			em485->active_timer = &em485->start_tx_timer;  in start_tx_rs485()
1592 			start_hrtimer_ms(&em485->start_tx_timer,  in start_tx_rs485()
1603 	struct uart_8250_em485 *em485 = container_of(t, struct uart_8250_em485,  in serial8250_em485_handle_start_tx()  local
1605 	struct uart_8250_port *p = em485->port;  in serial8250_em485_handle_start_tx()
1609 	if (em485->active_timer == &em485->start_tx_timer) {  in serial8250_em485_handle_start_tx()
1611 		em485->active_timer = NULL;  in serial8250_em485_handle_start_tx()
1621 	struct uart_8250_em485 *em485 = up->em485;  in serial8250_start_tx()  local
1631 	if (em485) {  in serial8250_start_tx()
1632 		if ((em485->active_timer == &em485->start_tx_timer) ||  in serial8250_start_tx()
3341 	struct uart_8250_em485 *em485 = up->em485;  in serial8250_console_write()  local
3366 	if (em485) {  in serial8250_console_write()
3367 		if (em485->tx_stopped)  in serial8250_console_write()
3403 	if (em485) {  in serial8250_console_write()
3405 		if (em485->tx_stopped)  in serial8250_console_write()