Lines Matching defs:xmit
194 struct circ_buf *xmit = &port->state->xmit;
201 if (uart_circ_empty(xmit) || uart_tx_stopped(port)) {
207 if (uart_circ_empty(xmit))
210 writeb(xmit->buf[xmit->tail], port->membase + VT8500_TXFIFO);
212 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
216 if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
219 if (uart_circ_empty(xmit))