diff --git a/drivers/tty/serial/8250/8250_mid.c b/drivers/tty/serial/8250/8250_mid.c
index ed489880e62b3ec4bd988dc833885afc68d7d367..e8122375aa183bbd48859fe312fdd68b8a430433 100644
--- a/drivers/tty/serial/8250/8250_mid.c
+++ b/drivers/tty/serial/8250/8250_mid.c
@@ -9,9 +9,10 @@
  * published by the Free Software Foundation.
  */
 
-#include <linux/rational.h>
+#include <linux/bitops.h>
 #include <linux/module.h>
 #include <linux/pci.h>
+#include <linux/rational.h>
 
 #include <linux/dma/hsu.h>
 #include <linux/8250_pci.h>