107 	struct uart_softc *backend;  member
132 	uart_rxfifo_reset(sc->backend, 1);  in uart_reset()
185 	uart_softc_lock(sc->backend);  in uart_drain()
187 	old_size = uart_rxfifo_numchars(sc->backend);  in uart_drain()
190 	uart_rxfifo_drain(sc->backend, loopback);  in uart_drain()
195 	    uart_rxfifo_numchars(sc->backend) >= trig_lvl)  in uart_drain()
198 	if (uart_rxfifo_numchars(sc->backend) > 0)  in uart_drain()
203 	uart_softc_unlock(sc->backend);  in uart_drain()
211 	uart_softc_lock(sc->backend);  in uart_pl011_write()
215 		if (uart_rxfifo_putchar(sc->backend, value & 0xff, loopback))  in uart_pl011_write()
239 				uart_rxfifo_reset(sc->backend, UART_FIFO_SIZE);  in uart_pl011_write()
241 				uart_rxfifo_reset(sc->backend, 1);  in uart_pl011_write()
267 	uart_softc_unlock(sc->backend);  in uart_pl011_write()
277 	uart_softc_lock(sc->backend);  in uart_pl011_read()
280 		reg = uart_rxfifo_getchar(sc->backend);  in uart_pl011_read()
282 		fifo_sz = uart_rxfifo_numchars(sc->backend);  in uart_pl011_read()
302 		fifo_sz = uart_rxfifo_numchars(sc->backend);  in uart_pl011_read()
363 	uart_softc_unlock(sc->backend);  in uart_pl011_read()
379 	sc->backend = uart_init();  in uart_pl011_init()
389 	return (uart_tty_open(sc->backend, device, uart_drain, sc));  in uart_pl011_tty_open()