Lines Matching refs:xmit
237 struct circ_buf *xmit = &up->port.state->xmit; in transmit_chars() local
257 if (uart_circ_empty(xmit) || uart_tx_stopped(&up->port)) { in transmit_chars()
270 writeb(xmit->buf[xmit->tail], in transmit_chars()
272 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); in transmit_chars()
274 if (uart_circ_empty(xmit)) in transmit_chars()
282 if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) in transmit_chars()
285 if (uart_circ_empty(xmit)) in transmit_chars()
441 struct circ_buf *xmit = &up->port.state->xmit; in sunsab_start_tx() local
444 if (uart_circ_empty(xmit) || uart_tx_stopped(port)) in sunsab_start_tx()
457 writeb(xmit->buf[xmit->tail], in sunsab_start_tx()
459 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); in sunsab_start_tx()
461 if (uart_circ_empty(xmit)) in sunsab_start_tx()