797 	struct circ_buf *xmit = &port->state->xmit;  in pch_dma_tx_complete()  local
802 		xmit->tail += sg_dma_len(sg);  in pch_dma_tx_complete()
805 	xmit->tail &= UART_XMIT_SIZE - 1;  in pch_dma_tx_complete()
818 	struct circ_buf *xmit = &port->state->xmit;  in pop_tx()  local
820 	if (uart_tx_stopped(port) || uart_circ_empty(xmit) || count >= size)  in pop_tx()
825 		    CIRC_CNT_TO_END(xmit->head, xmit->tail, UART_XMIT_SIZE);  in pop_tx()
827 		pch_uart_hal_write(priv, &xmit->buf[xmit->tail], sz);  in pop_tx()
828 		xmit->tail = (xmit->tail + sz) & (UART_XMIT_SIZE - 1);  in pop_tx()
830 	} while (!uart_circ_empty(xmit) && count < size);  in pop_tx()
903 	struct circ_buf *xmit = &port->state->xmit;  in handle_tx()  local
919 	if (pop_tx_x(priv, xmit->buf)) {  in handle_tx()
920 		pch_uart_hal_write(priv, xmit->buf, 1);  in handle_tx()
925 	size = min(xmit->head - xmit->tail, fifo_size);  in handle_tx()
948 	struct circ_buf *xmit = &port->state->xmit;  in dma_handle_tx()  local
978 	if (pop_tx_x(priv, xmit->buf)) {  in dma_handle_tx()
979 		pch_uart_hal_write(priv, xmit->buf, 1);  in dma_handle_tx()
985 	bytes = min((int)CIRC_CNT(xmit->head, xmit->tail,  in dma_handle_tx()
986 			     UART_XMIT_SIZE), CIRC_CNT_TO_END(xmit->head,  in dma_handle_tx()
987 			     xmit->tail, UART_XMIT_SIZE));  in dma_handle_tx()
1021 			sg_set_page(sg, virt_to_page(xmit->buf),  in dma_handle_tx()
1024 			sg_set_page(sg, virt_to_page(xmit->buf),  in dma_handle_tx()
1037 		sg->offset = (xmit->tail & (UART_XMIT_SIZE - 1)) +  in dma_handle_tx()