diff --git a/drivers/crypto/exynos-rng.c b/drivers/crypto/exynos-rng.c
index cbd8ca6e52ee..b1df66be9adc 100644
--- a/drivers/crypto/exynos-rng.c
+++ b/drivers/crypto/exynos-rng.c
@@ -277,7 +277,7 @@ static int exynos_rng_probe(struct platform_device *pdev)
 	if (!rng)
 		return -ENOMEM;
 
-	rng->type = (enum exynos_prng_type)of_device_get_match_data(&pdev->dev);
+	rng->type = (uintptr_t)of_device_get_match_data(&pdev->dev);
 
 	mutex_init(&rng->lock);