265 	struct circ_buf *xmit = &port->state->xmit;  in msm_complete_tx_dma()  local
296 	xmit->tail += count;  in msm_complete_tx_dma()
297 	xmit->tail &= UART_XMIT_SIZE - 1;  in msm_complete_tx_dma()
303 	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)  in msm_complete_tx_dma()
313 	struct circ_buf *xmit = &msm_port->uart.state->xmit;  in msm_handle_tx_dma()  local
320 	cpu_addr = &xmit->buf[xmit->tail];  in msm_handle_tx_dma()
655 	struct circ_buf *xmit = &port->state->xmit;  in msm_handle_tx_pio()  local
683 			buf[i] = xmit->buf[xmit->tail + i];  in msm_handle_tx_pio()
688 		xmit->tail = (xmit->tail + num_chars) & (UART_XMIT_SIZE - 1);  in msm_handle_tx_pio()
693 	if (uart_circ_empty(xmit))  in msm_handle_tx_pio()
696 	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)  in msm_handle_tx_pio()
703 	struct circ_buf *xmit = &msm_port->uart.state->xmit;  in msm_handle_tx()  local
724 	if (uart_circ_empty(xmit) || uart_tx_stopped(port)) {  in msm_handle_tx()
729 	pio_count = CIRC_CNT(xmit->head, xmit->tail, UART_XMIT_SIZE);  in msm_handle_tx()
730 	dma_count = CIRC_CNT_TO_END(xmit->head, xmit->tail, UART_XMIT_SIZE);  in msm_handle_tx()