diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c
index 631bb1f963..bdca3f2f71 100644
--- a/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c
+++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c
@@ -33,6 +33,9 @@ static int uniphier_pinctrl_get_pins_count(struct udevice *dev)
 	const struct uniphier_pinctrl_pin *pins = priv->socdata->pins;
 	int pins_count = priv->socdata->pins_count;
 
+	if (WARN_ON(!pins_count))
+		return 0; /* no table of pins */
+
 	/*
 	 * We do not list all pins in the pin table to save memory footprint.
 	 * Report the max pin number + 1 to fake the framework.