Lines Matching refs:xmit
239 struct circ_buf *xmit = &sport->port.info->xmit;
254 if (uart_circ_empty(xmit) || uart_tx_stopped(&sport->port)) {
264 serial_out(sport, PNX8XXX_FIFO, xmit->buf[xmit->tail]);
265 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
267 if (uart_circ_empty(xmit))
271 if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
274 if (uart_circ_empty(xmit))