diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index d233eb3b81323342bb5a22122c1b1f570678c8b1..50caeb1ee3509da04b57d38dd332396e76ea25de 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -570,6 +570,10 @@ static int pca953x_irq_setup(struct pca953x_chip *chip,
 				"could not connect irqchip to gpiochip\n");
 			return ret;
 		}
+
+		gpiochip_set_chained_irqchip(&chip->gpio_chip,
+					     &pca953x_irq_chip,
+					     client->irq, NULL);
 	}
 
 	return 0;