diff --git a/drivers/net/phy/mdio-bcm-unimac.c b/drivers/net/phy/mdio-bcm-unimac.c
index e6b08ceb9c375541f6098812758508e7560322fb..5b643e588e8fdd688ad3b65c4ef3b3a7bb978b79 100644
--- a/drivers/net/phy/mdio-bcm-unimac.c
+++ b/drivers/net/phy/mdio-bcm-unimac.c
@@ -193,6 +193,7 @@ static struct of_device_id unimac_mdio_ids[] = {
 	{ .compatible = "brcm,genet-mdio-v2", },
 	{ .compatible = "brcm,genet-mdio-v1", },
 	{ .compatible = "brcm,unimac-mdio", },
+	{ /* sentinel */ },
 };
 
 static struct platform_driver unimac_mdio_driver = {