diff --git a/drivers/pinctrl/sh-pfc/gpio.c b/drivers/pinctrl/sh-pfc/gpio.c
index a6681b8b17c3b30c740b70d27f9e01e2666f9eb2..97dff6a09ff08115112748061640260e8440723e 100644
--- a/drivers/pinctrl/sh-pfc/gpio.c
+++ b/drivers/pinctrl/sh-pfc/gpio.c
@@ -212,7 +212,7 @@ static int gpio_pin_to_irq(struct gpio_chip *gc, unsigned offset)
 		}
 	}
 
-	return -ENOSYS;
+	return 0;
 
 found:
 	return pfc->irqs[i];