diff --git a/drivers/watchdog/bd96801_wdt.c b/drivers/watchdog/bd96801_wdt.c
index ff51f42ced2a..12b74fd2bc05 100644
--- a/drivers/watchdog/bd96801_wdt.c
+++ b/drivers/watchdog/bd96801_wdt.c
@@ -5,6 +5,7 @@
  * ROHM BD96801 watchdog driver
  */
 
+#include <linux/bitfield.h>
 #include <linux/interrupt.h>
 #include <linux/kernel.h>
 #include <linux/mfd/rohm-bd96801.h>