netdev - Re: [PATCH net] net: dsa: mv88e6xxx: handle unknown duplex modes gracefully in mv88e6xxx_port_set

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Message-Id: <20190303.210413.17352987714231736.davem@davemloft.net>
Date:   Sun, 03 Mar 2019 21:04:13 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     hkallweit1@...il.com
Cc:     vivien.didelot@...il.com, andrew@...n.ch, f.fainelli@...il.com,
        netdev@...r.kernel.org
Subject: Re: [PATCH net] net: dsa: mv88e6xxx: handle unknown duplex modes
 gracefully in mv88e6xxx_port_set_duplex

From: Heiner Kallweit <hkallweit1@...il.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 <hkallweit1@...il.com>

Applied and queued up for -stable, thanks Heiner.