diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
index 67ee8b08ab5318dca13054e6e1e65da9dcd1c000..3c5be60befce91a871af0baf7864ca5422b8dd34 100644
--- a/drivers/char/hw_random/Kconfig
+++ b/drivers/char/hw_random/Kconfig
@@ -309,7 +309,8 @@ config HW_RANDOM_POWERNV
 
 config HW_RANDOM_EXYNOS
 	tristate "EXYNOS HW random number generator support"
-	depends on ARCH_EXYNOS
+	depends on ARCH_EXYNOS || COMPILE_TEST
+	depends on HAS_IOMEM
 	default HW_RANDOM
 	---help---
 	  This driver provides kernel-side support for the Random Number