--- zzzz-none-000/linux-5.4.213/include/linux/mdio-bitbang.h	2022-09-15 10:04:56.000000000 +0000
+++ alder-5690pro-762/linux-5.4.213/include/linux/mdio-bitbang.h	2024-08-14 09:02:08.000000000 +0000
@@ -33,6 +33,7 @@
 
 struct mdiobb_ctrl {
 	const struct mdiobb_ops *ops;
+	void (*preinit)(struct mii_bus *bus);
 };
 
 /* The returned bus is not yet registered with the phy layer. */