Lines Matching refs:xmit
459 struct circ_buf *xmit; in sunzilog_transmit_chars() local
502 xmit = &up->port.state->xmit; in sunzilog_transmit_chars()
503 if (uart_circ_empty(xmit)) in sunzilog_transmit_chars()
510 writeb(xmit->buf[xmit->tail], &channel->data); in sunzilog_transmit_chars()
514 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); in sunzilog_transmit_chars()
517 if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) in sunzilog_transmit_chars()
707 struct circ_buf *xmit = &port->state->xmit; in sunzilog_start_tx() local
709 if (uart_circ_empty(xmit)) in sunzilog_start_tx()
711 writeb(xmit->buf[xmit->tail], &channel->data); in sunzilog_start_tx()
715 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); in sunzilog_start_tx()
718 if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) in sunzilog_start_tx()