Lines Matching defs:tail
543 int xmit_count, tail, head, loops, ii;
571 tail = xmit->tail;
572 start = &xmit->buf[tail];
574 /* twice around gets the tail to the end of the buffer and
576 loops = (head < tail) ? 2 : 1;
579 xmit_count = (head < tail) ?
580 (UART_XMIT_SIZE - tail) : (head - tail);
597 tail += result;
598 tail &= UART_XMIT_SIZE - 1;
599 xmit->tail = tail;
600 start = &xmit->buf[tail];
940 int ltail = port->sc_port.state->xmit.tail;
945 * lock. We wait ~20 secs after the head and tail ptrs
967 port->sc_port.state->xmit.tail)) {
971 port->sc_port.state->xmit.tail;