diff --git a/include/linux/pinctrl/consumer.h b/include/linux/pinctrl/consumer.h
index 11b8f0b8da0c..7be49d447426 100644
--- a/include/linux/pinctrl/consumer.h
+++ b/include/linux/pinctrl/consumer.h
@@ -107,14 +107,14 @@ static inline int
 pinctrl_gpio_get_config(struct gpio_chip *gc, unsigned int offset,
 			unsigned long *config)
 {
-	return 0;
+	return -ENOTSUPP;
 }
 
 static inline int
 pinctrl_gpio_set_config(struct gpio_chip *gc, unsigned int offset,
 			    unsigned long config)
 {
-	return 0;
+	return -ENOTSUPP;
 }
 
 static inline struct pinctrl * __must_check pinctrl_get(struct device *dev)