diff --git a/drivers/tty/serial/8250/8250_dma.c b/drivers/tty/serial/8250/8250_dma.c
index 7133fceed35e..a8dba4a0a8fb 100644
--- a/drivers/tty/serial/8250/8250_dma.c
+++ b/drivers/tty/serial/8250/8250_dma.c
@@ -106,10 +106,10 @@ int serial8250_tx_dma(struct uart_8250_port *p)
 				   UART_XMIT_SIZE, DMA_TO_DEVICE);
 
 	dma_async_issue_pending(dma->txchan);
-	if (dma->tx_err) {
+	serial8250_clear_THRI(p);
+	if (dma->tx_err)
 		dma->tx_err = 0;
-		serial8250_clear_THRI(p);
-	}
+
 	return 0;
 err:
 	dma->tx_err = 1;
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index 8f32fe9e149e..b9cdc5552b0d 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -1949,7 +1949,7 @@ int serial8250_handle_irq(struct uart_port *port, unsigned int iir)
 	if ((status & UART_LSR_THRE) && (up->ier & UART_IER_THRI)) {
 		if (!up->dma || up->dma->tx_err)
 			serial8250_tx_chars(up);
-		else
+		else if (!up->dma->tx_running)
 			__stop_tx(up);
 	}