161 	struct circ_buf *xmit = &port->state->xmit;  in s3c24xx_serial_stop_tx()  local
181 		xmit->tail = (xmit->tail + count) & (UART_XMIT_SIZE - 1);  in s3c24xx_serial_stop_tx()
200 	struct circ_buf *xmit = &port->state->xmit;  in s3c24xx_serial_tx_dma_complete()  local
216 	xmit->tail = (xmit->tail + count) & (UART_XMIT_SIZE - 1);  in s3c24xx_serial_tx_dma_complete()
220 	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)  in s3c24xx_serial_tx_dma_complete()
285 	struct circ_buf *xmit = &port->state->xmit;  in s3c24xx_serial_start_tx_dma()  local
293 	dma->tx_transfer_addr = dma->tx_addr + xmit->tail;  in s3c24xx_serial_start_tx_dma()
319 	struct circ_buf *xmit = &port->state->xmit;  in s3c24xx_serial_start_next_tx()  local
323 	count = CIRC_CNT_TO_END(xmit->head, xmit->tail, UART_XMIT_SIZE);  in s3c24xx_serial_start_next_tx()
332 	    xmit->tail & (dma_get_cache_alignment() - 1))  in s3c24xx_serial_start_next_tx()
341 	struct circ_buf *xmit = &port->state->xmit;  in s3c24xx_serial_start_tx()  local
353 		if (!uart_circ_empty(xmit) && !ourport->tx_in_progress)  in s3c24xx_serial_start_tx()
708 	struct circ_buf *xmit = &port->state->xmit;  in s3c24xx_serial_tx_chars()  local
714 	count = CIRC_CNT_TO_END(xmit->head, xmit->tail, UART_XMIT_SIZE);  in s3c24xx_serial_tx_chars()
719 			(xmit->tail & (dma_get_cache_alignment() - 1));  in s3c24xx_serial_tx_chars()
737 	if (uart_circ_empty(xmit) || uart_tx_stopped(port)) {  in s3c24xx_serial_tx_chars()
749 	while (!uart_circ_empty(xmit) && count > 0) {  in s3c24xx_serial_tx_chars()
753 		wr_regb(port, S3C2410_UTXH, xmit->buf[xmit->tail]);  in s3c24xx_serial_tx_chars()
754 		xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);  in s3c24xx_serial_tx_chars()
764 	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) {  in s3c24xx_serial_tx_chars()
770 	if (uart_circ_empty(xmit))  in s3c24xx_serial_tx_chars()
927 	dma->tx_addr = dma_map_single(p->port.dev, p->port.state->xmit.buf,  in s3c24xx_serial_request_dma()