diff --git a/drivers/watchdog/stm32mp_wdt.c b/drivers/watchdog/stm32mp_wdt.c
index 2d509a0..2d8bfc0 100644
--- a/drivers/watchdog/stm32mp_wdt.c
+++ b/drivers/watchdog/stm32mp_wdt.c
@@ -10,6 +10,7 @@
 #include <syscon.h>
 #include <wdt.h>
 #include <asm/io.h>
+#include <linux/bitops.h>
 #include <linux/iopoll.h>
 
 /* IWDG registers */