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Show First 20 Lines • Show All 327 Lines • ▼ Show 20 Lines	uart_intr_overrun(void *arg)
struct uart_softc *sc = arg;		struct uart_softc *sc = arg;

if (sc->sc_opened) {		if (sc->sc_opened) {
UART_RECEIVE(sc);		UART_RECEIVE(sc);
if (uart_rx_put(sc, UART_STAT_OVERRUN))		if (uart_rx_put(sc, UART_STAT_OVERRUN))
sc->sc_rxbuf[sc->sc_rxput] = UART_STAT_OVERRUN;		sc->sc_rxbuf[sc->sc_rxput] = UART_STAT_OVERRUN;
uart_sched_softih(sc, SER_INT_RXREADY);		uart_sched_softih(sc, SER_INT_RXREADY);
}		}
		sc->sc_rxoverruns++;
UART_FLUSH(sc, UART_FLUSH_RECEIVER);		UART_FLUSH(sc, UART_FLUSH_RECEIVER);
return (0);		return (0);
}		}

/*		/*
* Received data ready.		* Received data ready.
*/		*/
static __inline int		static __inline int
▲ Show 20 Lines • Show All 391 Lines • ▼ Show 20 Lines	uart_bus_attach(device_t dev)
} else {		} else {
if ((error = uart_tty_attach(sc)) != 0)		if ((error = uart_tty_attach(sc)) != 0)
goto fail;		goto fail;
uart_pps_init(sc);		uart_pps_init(sc);
}		}

if (sc->sc_sysdev != NULL)		if (sc->sc_sysdev != NULL)
sc->sc_sysdev->hwmtx = sc->sc_hwmtx;		sc->sc_sysdev->hwmtx = sc->sc_hwmtx;

		if (sc->sc_rxfifosz > 1)
		SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
		SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
		"rx_overruns", CTLFLAG_RD, &sc->sc_rxoverruns, 0,
		"Receive overruns");

return (0);		return (0);

fail:		fail:
free(sc->sc_txbuf, M_UART);		free(sc->sc_txbuf, M_UART);
free(sc->sc_rxbuf, M_UART);		free(sc->sc_rxbuf, M_UART);

if (sc->sc_ires != NULL) {		if (sc->sc_ires != NULL) {
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