PHY not found after migration of gianfar driver to an of_platform_driver

[Michael Guntsche]

Some more information regarding this board. This is the output of

dtc /proc/device/ree:

I removed all information not relevant to networking

/dts-v1/;

/ {
	linux,phandle = <0x100>;
	#size-cells = <0x1>;
	#address-cells = <0x1>;
	compatible = "MPC83xx";
	model = "RB600";

	
	soc8343 at e0000000 {
		bus-frequency = <0x1>;
		reg = <0xe0000000 0x200>;
		ranges = <0x0 0xe0000000 0x100000>;
		device_type = "soc";
		#interrupt-cells = <0x2>;
		#size-cells = <0x1>;
		#address-cells = <0x1>;

	
		gpio at 0 {
			reg = <0xc08 0x4>;
			device-id = <0x0>;
			compatible = "gpio";
			device_type = "gpio";
			linux,phandle = <0x400>;
		};

		ethernet at 24000 {
			phy-handle = <0x80001>;
			interrupt-parent = <0x700>;
			interrupts = <0x20 0x8 0x21 0x8 0x22 0x8>;
			mac-address = [00 0c 42 28 de 4f];
			reg = <0x24000 0x1000>;
			compatible = "gianfar";
			model = "TSEC";
			device_type = "network";
		};

		ethernet at 25000 {
			phy-handle = <0x80000>;
			interrupt-parent = <0x700>;
			interrupts = <0x23 0x8 0x24 0x8 0x25 0x8>;
			mac-address = [00 0c 42 28 de 4e];
			reg = <0x25000 0x1000>;
			compatible = "gianfar";
			model = "TSEC";
			device_type = "network";
		};

		mdio at 24520 {
			#size-cells = <0x1>;
			#address-cells = <0x1>;
			linux,phandle = <0x800>;
			reg = <0x24520 0x20>;
			compatible = "gianfar";
			device_type = "mdio";

			ethernet-phy at 1 {
				device_type = "ethernet-phy";
				reg = <0x1>;
				linux,phandle = <0x80001>;
			};

			ethernet-phy at 0 {
				device_type = "ethernet-phy";
				reg = <0x0>;
				linux,phandle = <0x80000>;
			};
		};

	cpus {
		linux,phandle = <0x200>;
		#size-cells = <0x0>;
		#address-cells = <0x1>;
		#cpus = <0x1>;

		PowerPC,8343E at 0 {
			linux,boot-cpu;
			linux,phandle = <0x201>;
			32-bit;
			clock-frequency = <0x17d77460>;
			timebase-frequency = <0x3f93e10>;
			i-cache-size = <0x8000>;
			d-cache-size = <0x8000>;
			i-cache-line-size = <0x20>;
			d-cache-line-size = <0x20>;
			reg = <0x0>;
			device_type = "cpu";
		};
	};


I still do not understand why phy_attach fails. Does someone have an  
idea or can tell me how to debug this further?

Kind regards,
Michael