--- zzzz-none-000/linux-4.4.271/drivers/net/ethernet/Kconfig	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/drivers/net/ethernet/Kconfig	2023-04-19 10:22:29.000000000 +0000
@@ -13,6 +13,7 @@
 
 config MDIO
 	tristate
+	default y
 
 config SUNGEM_PHY
 	tristate