diff --git a/drivers/pinctrl/spear/pinctrl-plgpio.c b/drivers/pinctrl/spear/pinctrl-plgpio.c
index 5aebbf780fb5dc05f38cf4f6ea314c050c4556c0..4c045053bbddd1e8a557861f7a73eb51ec64a97e 100644
--- a/drivers/pinctrl/spear/pinctrl-plgpio.c
+++ b/drivers/pinctrl/spear/pinctrl-plgpio.c
@@ -284,7 +284,7 @@ static int plgpio_to_irq(struct gpio_chip *chip, unsigned offset)
 {
 	struct plgpio *plgpio = container_of(chip, struct plgpio, chip);
 
-	if (plgpio->irq_base < 0)
+	if (IS_ERR_VALUE(plgpio->irq_base))
 		return -EINVAL;
 
 	return irq_find_mapping(plgpio->irq_domain, offset);