Lines Matching refs:xmit
234 struct circ_buf *xmit = &up->port.state->xmit; in transmit_chars() local
254 if (uart_circ_empty(xmit) || uart_tx_stopped(&up->port)) { in transmit_chars()
267 writeb(xmit->buf[xmit->tail], in transmit_chars()
269 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); in transmit_chars()
271 if (uart_circ_empty(xmit)) in transmit_chars()
279 if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) in transmit_chars()
282 if (uart_circ_empty(xmit)) in transmit_chars()
438 struct circ_buf *xmit = &up->port.state->xmit; in sunsab_start_tx() local
441 if (uart_circ_empty(xmit) || uart_tx_stopped(port)) in sunsab_start_tx()
454 writeb(xmit->buf[xmit->tail], in sunsab_start_tx()
456 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); in sunsab_start_tx()
458 if (uart_circ_empty(xmit)) in sunsab_start_tx()