From: Russell King
Date: Fri, 28 Aug 2020 11:53:53 +0100
> If we intend to use PCS operations, mac_pcs_get_state() will not be
> implemented, so will be NULL. If we also intend to register the PCS
> operations in mac_prepare() or mac_config(), then this leads to an
> attempt to call NULL function
If we intend to use PCS operations, mac_pcs_get_state() will not be
implemented, so will be NULL. If we also intend to register the PCS
operations in mac_prepare() or mac_config(), then this leads to an
attempt to call NULL function pointer during phylink_start(). Avoid
this, but we must report the
