diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c
index 6a79fc4f900c4b56b4bd351cf050aa5c2b67175e..8e67e72f87951604f4c2ab068b887d74b7d65df6 100644
--- a/drivers/clocksource/arm_arch_timer.c
+++ b/drivers/clocksource/arm_arch_timer.c
@@ -15,6 +15,7 @@
 #include <linux/cpu.h>
 #include <linux/cpu_pm.h>
 #include <linux/clockchips.h>
+#include <linux/clocksource.h>
 #include <linux/interrupt.h>
 #include <linux/of_irq.h>
 #include <linux/of_address.h>