Lines Matching defs:xmit
456 struct circ_buf *xmit;
468 * to poll on enough port->xmit space becoming free. -DaveM
499 xmit = &up->port.state->xmit;
500 if (uart_circ_empty(xmit))
507 writeb(xmit->buf[xmit->tail], &channel->data);
511 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
514 if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
704 struct circ_buf *xmit = &port->state->xmit;
706 if (uart_circ_empty(xmit))
708 writeb(xmit->buf[xmit->tail], &channel->data);
712 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
715 if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)