Lines Matching defs:xmit
167 struct circ_buf *xmit = &port->info->xmit;
178 if (uart_tx_stopped(port) || uart_circ_empty(xmit)) {
184 while (!uart_circ_empty(xmit) && (count-- > 0)) {
186 UART_PUT_CHAR(port, xmit->buf[xmit->tail]);
188 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
192 if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
195 if (uart_circ_empty(xmit))