1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index bbbec4a74cf..c2816f49480 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -1447,9 +1447,11 @@ static int pch_uart_verify_port(struct uart_port *port,
                         __func__);
                 return -EOPNOTSUPP;
 #endif
-                priv->use_dma = 1;
                 priv->use_dma_flag = 1;
                 dev_info(priv->port.dev, "PCH UART : Use DMA Mode\n");
+                if (!priv->use_dma)
+                        pch_request_dma(port);
+                priv->use_dma = 1;
         }
 
         return 0;