diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index cd931cf9dcc2..e08d82233834 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -146,6 +146,7 @@ config MDIO_THUNDER
 	depends on 64BIT
 	depends on PCI
 	select MDIO_CAVIUM
+	select MDIO_DEVRES
 	help
 	  This driver supports the MDIO interfaces found on Cavium
 	  ThunderX SoCs when the MDIO bus device appears as a PCI