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Commit 848b312e authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "msm_serial_hs: update the DMA inflight indicator optimally"

parents b4129f7f 05d5848a

drivers/tty/serial/msm_serial_hs.c

+1 −3
Original line number Diff line number Diff line
@@ -1388,12 +1388,11 @@ static void msm_hs_submit_tx_locked(struct uart_port *uport) 
	int ret;



	if (uart_circ_empty(tx_buf) || uport->state->port.tty->stopped) {

		tx->dma_in_flight = false;

		msm_hs_stop_tx_locked(uport);

		return;

	}



	tx->dma_in_flight = true;



	tx_count = uart_circ_chars_pending(tx_buf);



	if (UARTDM_TX_BUF_SIZE < tx_count)
@@ -1872,7 +1871,6 @@ static void msm_serial_hs_tx_work(struct kthread_work *work) 
	else

		MSM_HS_DBG("%s:circ buffer is empty\n", __func__);



	tx->dma_in_flight = false;

	wake_up(&msm_uport->tx.wait);



	uport->icount.tx += tx->tx_count;