diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index f0a77020..40faec9 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -183,15 +183,18 @@
 	  To compile this driver as a module, choose M here: the module
 	  will be called mdio-gpio.
 
+config MDIO_CAVIUM
+	tristate
+
 config MDIO_OCTEON
-	tristate "Support for MDIO buses on Octeon and ThunderX SOCs"
+	tristate "Support for MDIO buses on Octeon and some ThunderX SOCs"
 	depends on 64BIT
 	depends on HAS_IOMEM
+	select MDIO_CAVIUM
 	help
-
 	  This module provides a driver for the Octeon and ThunderX MDIO
-	  busses. It is required by the Octeon and ThunderX ethernet device
-	  drivers.
+	  buses. It is required by the Octeon and ThunderX ethernet device
+	  drivers on some systems.
 
 config MDIO_SUN4I
 	tristate "Allwinner sun4i MDIO interface support"