diff --git a/drivers/adc/exynos-adc.c b/drivers/adc/exynos-adc.c
index 6589817..2bda733 100644
--- a/drivers/adc/exynos-adc.c
+++ b/drivers/adc/exynos-adc.c
@@ -8,6 +8,7 @@
 #include <dm.h>
 #include <adc.h>
 #include <asm/arch/adc.h>
+#include <linux/printk.h>
 
 struct exynos_adc_priv {
 	int active_channel;