Lines Matching defs:xmit
392 struct circ_buf *xmit;
395 xmit = &port->info->xmit;
404 if (uart_circ_empty(xmit) || uart_tx_stopped(port)) {
410 siu_write(port, UART_TX, xmit->buf[xmit->tail]);
411 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
413 if (uart_circ_empty(xmit))
417 if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
420 if (uart_circ_empty(xmit))