diff --git a/drivers/net/dsa/b53/b53_srab.c b/drivers/net/dsa/b53/b53_srab.c
index 0a1be5259be0..1207c3095027 100644
--- a/drivers/net/dsa/b53/b53_srab.c
+++ b/drivers/net/dsa/b53/b53_srab.c
@@ -524,7 +524,7 @@ static void b53_srab_prepare_irq(struct platform_device *pdev)
 
 		port->num = i;
 		port->dev = dev;
-		port->irq = platform_get_irq_byname(pdev, name);
+		port->irq = platform_get_irq_byname_optional(pdev, name);
 		kfree(name);
 	}