Lines Matching defs:xmit
1434 struct circ_buf *xmit = &port->state->xmit;
1445 if (uart_circ_empty(xmit) || uart_tx_stopped(port)) {
1452 psc_ops->write_char(port, xmit->buf[xmit->tail]);
1453 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
1455 if (uart_circ_empty(xmit))
1460 if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
1464 if (uart_circ_empty(xmit)) {