136 	struct circ_buf *xmit;  in handle_transmit()  local
144 	xmit = &port->state->xmit;  in handle_transmit()
152 	if (uart_circ_empty(xmit) || uart_tx_stopped(port))  in handle_transmit()
155 	while (!uart_circ_empty(xmit)) {  in handle_transmit()
156 		ch = xmit->buf[xmit->tail];  in handle_transmit()
159 		xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);  in handle_transmit()
167 	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)  in handle_transmit()
260 	struct circ_buf *xmit;  in tilegx_start_tx()  local
268 	xmit = &port->state->xmit;  in tilegx_start_tx()
276 	if (uart_circ_empty(xmit) || uart_tx_stopped(port)) {  in tilegx_start_tx()
281 	while (!uart_circ_empty(xmit)) {  in tilegx_start_tx()
282 		ch = xmit->buf[xmit->tail];  in tilegx_start_tx()
285 		xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);  in tilegx_start_tx()
289 	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)  in tilegx_start_tx()