Lines Matching defs:xmit
231 struct circ_buf *xmit = &up->port.info->xmit;
247 if (uart_circ_empty(xmit) || uart_tx_stopped(&up->port)) {
260 writeb(xmit->buf[xmit->tail],
262 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
264 if (uart_circ_empty(xmit))
272 if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
275 if (uart_circ_empty(xmit))
454 struct circ_buf *xmit = &up->port.info->xmit;
467 writeb(xmit->buf[xmit->tail],
469 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
471 if (uart_circ_empty(xmit))