IMXUART_RX_TTY_BLOCKED
IMXUART_RX_TTY_BLOCKED|IMXUART_RX_IBUF_BLOCKED)) {
IMXUART_RX_TTY_BLOCKED|IMXUART_RX_IBUF_BLOCKED);
if (!ISSET(sc->sc_rx_flags, IMXUART_RX_TTY_BLOCKED)) {
SET(sc->sc_rx_flags, IMXUART_RX_TTY_BLOCKED);
if (ISSET(sc->sc_rx_flags, IMXUART_RX_TTY_BLOCKED)) {
CLR(sc->sc_rx_flags, IMXUART_RX_TTY_BLOCKED);
if (!ISSET(sc->sc_rx_flags, IMXUART_RX_TTY_BLOCKED)) {
(IMXUART_RX_TTY_BLOCKED|IMXUART_RX_TTY_OVERFLOWED| \