diff --git a/drivers/mfd/max8998.c b/drivers/mfd/max8998.c
index f47eaa70eae076f172f4e72977f98dfe26e680da..612ca404e1502d6c736eaf239d9b721e522664f9 100644
--- a/drivers/mfd/max8998.c
+++ b/drivers/mfd/max8998.c
@@ -175,7 +175,7 @@ static inline int max8998_i2c_get_driver_data(struct i2c_client *i2c,
 	if (IS_ENABLED(CONFIG_OF) && i2c->dev.of_node) {
 		const struct of_device_id *match;
 		match = of_match_node(max8998_dt_match, i2c->dev.of_node);
-		return (int)match->data;
+		return (int)(long)match->data;
 	}
 
 	return (int)id->driver_data;