1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index 81f909c2101f..0e1bf8858431 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -1520,7 +1520,7 @@ int serial8250_handle_irq(struct uart_port *port, unsigned int iir)
                         status = serial8250_rx_chars(up, status);
         }
         serial8250_modem_status(up);
-        if (status & UART_LSR_THRE)
+        if (!up->dma && (status & UART_LSR_THRE))
                 serial8250_tx_chars(up);
 
         spin_unlock_irqrestore(&port->lock, flags);