diff --git a/drivers/pinctrl/pinctrl-sx150x.c b/drivers/pinctrl/pinctrl-sx150x.c
index 89fdfa96843f..3c1309e8a844 100644
--- a/drivers/pinctrl/pinctrl-sx150x.c
+++ b/drivers/pinctrl/pinctrl-sx150x.c
@@ -550,6 +550,9 @@ static irqreturn_t sx150x_irq_thread_fn(int irq, void *dev_id)
 	if (err < 0)
 		return IRQ_NONE;
 
+	if (!val)
+		return IRQ_NONE;
+
 	err = regmap_write(pctl->regmap, pctl->data->reg_irq_src, val);
 	if (err < 0)
 		return IRQ_NONE;