From: Heiner Kallweit <hkallwe...@gmail.com>
Date: Fri, 1 Mar 2019 19:53:57 +0100
> When testing another issue I faced the problem that
> mv88e6xxx_port_setup_mac() failed due to DUPLEX_UNKNOWN being passed
> as argument to mv88e6xxx_port_set_duplex(). We should handle this case
> gracefully and return -EOPNOTSUPP, like e.g. mv88e6xxx_port_set_speed()
> is doing it.
>
> Fixes: 7f1ae07b51e8 ("net: dsa: mv88e6xxx: add port duplex setter")
> Signed-off-by: Heiner Kallweit <hkallwe...@gmail.com>
Applied and queued up for -stable, thanks Heiner.
