Lines Matching refs:xmit
127 struct circ_buf *xmit = &port->state->xmit;
137 if (uart_circ_empty(xmit) || uart_tx_stopped(port)) {
145 UART_PUT_CHAR(port, xmit->buf[xmit->tail]);
146 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
148 if (uart_circ_empty(xmit))
152 if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
155 if (uart_circ_empty(xmit))