Lines Matching defs:xmit
357 struct circ_buf *xmit;
368 * to poll on enough port->xmit space becoming free. -DaveM
408 xmit = &uap->port.state->xmit;
409 if (uart_circ_empty(xmit)) {
417 write_zsdata(uap, xmit->buf[xmit->tail]);
420 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
423 if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
636 struct circ_buf *xmit = &port->state->xmit;
638 if (uart_circ_empty(xmit))
640 write_zsdata(uap, xmit->buf[xmit->tail]);
642 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
645 if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)