netdev - Re: 88e6161 failed create slave phy

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Date:   Sat, 3 Feb 2018 22:32:38 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     ?????? <yxj790222@....com>
Cc:     Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
        netdev <netdev@...r.kernel.org>
Subject: Re: 88e6161 failed create slave phy

On Thu, Jan 25, 2018 at 09:15:16PM +0800, ?????? wrote:
> hello, I am compiling kernel for 88f6281 with 88e6161 switch for 4.9.73.but the dsa does not work correctly.I think it is a bug because 4.4 and 4.14 works fine.
> both two bindings get the same result (port uninitialized, could not setup slave phy -19). thanks
> this it the log

Please could you try cherry-picking:

ec8378bb4d8e ("net: dsa: mv88e6xxx: 6161 uses global 2 for PHY access")
0ac64c394900 ("net: dsa: mv88e6xxx: mv88e6161 uses mv88e6320 stats snapshot")
5ebe31d7b20f ("net: dsa: mv88e6xxx: Have 6161/6123 use EDSA tags")

The first one probably fixes your PHY issue. The second will fix
ethtool -S. The last one is just nice to have, helps when using
tcpdump on the master interface.

Thanks go to Chris Healy for pointing out these patches.

       Andrew