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Date:   Tue, 21 Apr 2020 13:33:24 +0200
From:   Oleksij Rempel <o.rempel@pengutronix.de>
To:     Vladimir Oltean <olteanv@gmail.com>
Cc:     mkl@pengutronix.de, Andrew Lunn <andrew@lunn.ch>,
        Vivien Didelot <vivien.didelot@gmail.com>,
        Florian Fainelli <f.fainelli@gmail.com>, kernel@pengutronix.de,
        netdev <netdev@vger.kernel.org>,
        lkml <linux-kernel@vger.kernel.org>, david@protonic.nl,
        Russell King - ARM Linux admin <linux@armlinux.org.uk>,
        "David S. Miller" <davem@davemloft.net>
Subject: dsa: sja1105: regression after patch: "net: dsa: configure the MTU
 for switch ports"
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Hi Vladimir,

I have a regression after this patch:
|commit bfcb813203e619a8960a819bf533ad2a108d8105                           =
                          =20
|Author:     Vladimir Oltean <vladimir.oltean@nxp.com>                     =
                          =20
|
|  net: dsa: configure the MTU for switch ports

with following log:
[    3.044065] sja1105 spi1.0: Probed switch chip: SJA1105Q                =
                         =20
[    3.071385] sja1105 spi1.0: Enabled switch tagging                      =
                         =20
[    3.076484] sja1105 spi1.0: error -34 setting MTU on port 0             =
                         =20
[    3.082795] sja1105: probe of spi1.0 failed with error -34

this is devicetree snippet for the port 0:
	port@0 {
		reg =3D <0>;
		label =3D "usb";
		phy-handle =3D <&usbeth_phy>;
		phy-mode =3D "rmii";
	};


Is it know issue?

Regards,
Oleksij
--=20
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