Lines Matching refs:xmit
195 struct circ_buf *xmit = &port->state->xmit;
197 if (IS_EXTENDED(port) && !uart_circ_empty(xmit)) {
198 writel(xmit->buf[xmit->tail], port->membase + UART_TSH(port));
199 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
311 struct circ_buf *xmit = &port->state->xmit;
322 if (uart_circ_empty(xmit) || uart_tx_stopped(port)) {
328 writel(xmit->buf[xmit->tail], port->membase + UART_TSH(port));
329 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
332 if (uart_circ_empty(xmit))
340 if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
343 if (uart_circ_empty(xmit))