Lines Matching defs:xmit
75 struct circ_buf *xmit = &port->state->xmit;
90 if (uart_circ_empty(xmit) || uart_tx_stopped(port)) {
99 writew(xmit->buf[xmit->tail], port->membase + MLB_USIO_REG_DR);
101 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
103 if (uart_circ_empty(xmit))
114 if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
117 if (uart_circ_empty(xmit))