285 	struct circ_buf *xmit = &port->state->xmit;  in s3c24xx_serial_stop_tx()  local
305 		xmit->tail = (xmit->tail + count) & (UART_XMIT_SIZE - 1);  in s3c24xx_serial_stop_tx()
324 	struct circ_buf *xmit = &port->state->xmit;  in s3c24xx_serial_tx_dma_complete()  local
339 	xmit->tail = (xmit->tail + count) & (UART_XMIT_SIZE - 1);  in s3c24xx_serial_tx_dma_complete()
343 	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)  in s3c24xx_serial_tx_dma_complete()
407 	struct circ_buf *xmit = &port->state->xmit;  in s3c24xx_serial_start_tx_dma()  local
414 	dma->tx_transfer_addr = dma->tx_addr + xmit->tail;  in s3c24xx_serial_start_tx_dma()
440 	struct circ_buf *xmit = &port->state->xmit;  in s3c24xx_serial_start_next_tx()  local
444 	count = CIRC_CNT_TO_END(xmit->head, xmit->tail, UART_XMIT_SIZE);  in s3c24xx_serial_start_next_tx()
453 	    xmit->tail & (dma_get_cache_alignment() - 1))  in s3c24xx_serial_start_next_tx()
462 	struct circ_buf *xmit = &port->state->xmit;  in s3c24xx_serial_start_tx()  local
474 		if (!uart_circ_empty(xmit) && !ourport->tx_in_progress)  in s3c24xx_serial_start_tx()
829 	struct circ_buf *xmit = &port->state->xmit;  in s3c24xx_serial_tx_chars()  local
835 	count = CIRC_CNT_TO_END(xmit->head, xmit->tail, UART_XMIT_SIZE);  in s3c24xx_serial_tx_chars()
840 			(xmit->tail & (dma_get_cache_alignment() - 1));  in s3c24xx_serial_tx_chars()
858 	if (uart_circ_empty(xmit) || uart_tx_stopped(port)) {  in s3c24xx_serial_tx_chars()
870 	while (!uart_circ_empty(xmit) && count > 0) {  in s3c24xx_serial_tx_chars()
874 		wr_reg(port, S3C2410_UTXH, xmit->buf[xmit->tail]);  in s3c24xx_serial_tx_chars()
875 		xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);  in s3c24xx_serial_tx_chars()
885 	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)  in s3c24xx_serial_tx_chars()
888 	if (uart_circ_empty(xmit))  in s3c24xx_serial_tx_chars()
1045 	dma->tx_addr = dma_map_single(p->port.dev, p->port.state->xmit.buf,  in s3c24xx_serial_request_dma()