netdev - Re: [PATCH net-next 08/11] net: dsa: mv88e6xxx: add port duplex setter

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Date:   Wed, 02 Nov 2016 02:12:03 +0100
From:   Vivien Didelot <vivien.didelot@...oirfairelinux.com>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel@...oirfairelinux.com,
        "David S. Miller" <davem@...emloft.net>,
        Florian Fainelli <f.fainelli@...il.com>
Subject: Re: [PATCH net-next 08/11] net: dsa: mv88e6xxx: add port duplex setter

Hi Andrew,

Andrew Lunn <andrew@...n.ch> writes:

>>  	int (*port_set_link)(struct mv88e6xxx_chip *chip, int port, int link);
>> +
>> +	/* Port's MAC duplex mode
>> +	 *
>> +	 * Use DUPLEX_HALF or DUPLEX_FULL to force half or full duplex, or
>> +	 * DUPLEX_UNKNOWN for normal duplex detection.
>> +	 */
>> +	int (*port_set_duplex)(struct mv88e6xxx_chip *chip, int port, int dup);
>
> Again, i think DUPLEX_UNFORCED, or DUPLEX_AUTO would be better.

DUPLEX_UNKNOWN and SPEED_UNKNOWN are existing values used by the
phy/ethtool interface for the phy_device. I prefered to use them when
possible instead of creating new ones.

Thanks,

        Vivien