Lines Matching defs:xmit
341 struct circ_buf *xmit = &up->port.state->xmit;
350 if (uart_circ_empty(xmit) || uart_tx_stopped(&up->port)) {
357 sio_out(up, TXX9_SITFIFO, xmit->buf[xmit->tail]);
358 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
360 if (uart_circ_empty(xmit))
364 if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
367 if (uart_circ_empty(xmit))