diff --git a/drivers/clocksource/moxart_timer.c b/drivers/clocksource/moxart_timer.c
index 08a5943b3e42..5eb2c35932b1 100644
--- a/drivers/clocksource/moxart_timer.c
+++ b/drivers/clocksource/moxart_timer.c
@@ -20,6 +20,7 @@
 #include <linux/of_irq.h>
 #include <linux/io.h>
 #include <linux/clocksource.h>
+#include <linux/bitops.h>
 
 #define TIMER1_BASE		0x00
 #define TIMER2_BASE		0x10