165 	struct circ_buf *xmit = &port->state->xmit;  in s3c24xx_serial_stop_tx()  local
186 		xmit->tail = (xmit->tail + count) & (UART_XMIT_SIZE - 1);  in s3c24xx_serial_stop_tx()
205 	struct circ_buf *xmit = &port->state->xmit;  in s3c24xx_serial_tx_dma_complete()  local
221 	xmit->tail = (xmit->tail + count) & (UART_XMIT_SIZE - 1);  in s3c24xx_serial_tx_dma_complete()
225 	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)  in s3c24xx_serial_tx_dma_complete()
291 	struct circ_buf *xmit = &port->state->xmit;  in s3c24xx_serial_start_tx_dma()  local
299 	dma->tx_transfer_addr = dma->tx_addr + xmit->tail;  in s3c24xx_serial_start_tx_dma()
325 	struct circ_buf *xmit = &port->state->xmit;  in s3c24xx_serial_start_next_tx()  local
329 	count = CIRC_CNT_TO_END(xmit->head, xmit->tail, UART_XMIT_SIZE);  in s3c24xx_serial_start_next_tx()
338 	    xmit->tail & (dma_get_cache_alignment() - 1))  in s3c24xx_serial_start_next_tx()
347 	struct circ_buf *xmit = &port->state->xmit;  in s3c24xx_serial_start_tx()  local
359 		if (!uart_circ_empty(xmit) && !ourport->tx_in_progress)  in s3c24xx_serial_start_tx()
730 	struct circ_buf *xmit = &port->state->xmit;  in s3c24xx_serial_tx_chars()  local
736 	count = CIRC_CNT_TO_END(xmit->head, xmit->tail, UART_XMIT_SIZE);  in s3c24xx_serial_tx_chars()
741 			(xmit->tail & (dma_get_cache_alignment() - 1));  in s3c24xx_serial_tx_chars()
759 	if (uart_circ_empty(xmit) || uart_tx_stopped(port)) {  in s3c24xx_serial_tx_chars()
771 	while (!uart_circ_empty(xmit) && count > 0) {  in s3c24xx_serial_tx_chars()
775 		wr_regb(port, S3C2410_UTXH, xmit->buf[xmit->tail]);  in s3c24xx_serial_tx_chars()
776 		xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);  in s3c24xx_serial_tx_chars()
786 	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) {  in s3c24xx_serial_tx_chars()
792 	if (uart_circ_empty(xmit))  in s3c24xx_serial_tx_chars()
935 				p->port.state->xmit.buf,  in s3c24xx_serial_request_dma()