netdev - net-next lan9303 and CONFIG_NET_DSA

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Date:   Fri, 15 Dec 2017 15:51:45 +0100
From:   Egil Hjelmeland <privat@...l-hjelmeland.no>
To:     andrew@...n.ch,
        Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
        Florian Fainelli <f.fainelli@...il.com>
Cc:     netdev <netdev@...r.kernel.org>
Subject: net-next lan9303 and CONFIG_NET_DSA_LEGACY

Hi
I found that our lan9303 board is unable to receive network data unless 
CONFIG_NET_DSA_LEGACY is set. Is that a problem with the driver, or our 
DTS?  (imx28)

    ahb@...80000 {
       mac0: ethernet@...f0000 {
          clocks = <&clks 57>, <&clks 57>, <&clks 64>;
          clock-names = "ipg", "ahb", "enet_out";
          phy-mode = "rmii";
          pinctrl-names = "default";
          pinctrl-0 = <&mac0_pins_a>;
          status = "okay";

          fixed-link {
             speed = <100>;
             full-duplex;
          };

          mdio {
             #address-cells = <1>;
             #size-cells = <0>;

             switch: switch-phy@0 {
                compatible = "smsc,lan9303-mdio";
                reg = <0>;
                reset-gpios = <&gpio2 7 GPIO_ACTIVE_LOW >;
                reset-duration = <10>;
                ports {
                   #address-cells = <1>;
                   #size-cells = <0>;

                   port@0 {
                      reg = <0>;
                      label = "cpu";
                      ethernet = <&mac0>;
                      phy-mode = "rmii";
                      fixed-link {
                         speed = <100>;
                         full-duplex;
                      };
                   };

                   port@1 { /* external port 1 */
                      reg = <1>;
                      label = "sw1";
                      phy-mode = "rmii";
                   };

                   port@2 { /* external port 2 */
                      reg = <2>;
                      label = "sw2";
                      phy-mode = "rmii";
                   };
                };
             };
          };
       };
    };

Any advise would be appreciated.

Egil