Required properties:
- reg : Offset and length of the register set for the device
- - device_type : Should be "mdio"
- compatible : Should define the compatible device type for the
- mdio. Currently, this is most likely to be "gianfar"
+ mdio. Currently, this is most likely to be "fsl,gianfar-mdio"
Example:
mdio@24520 {
reg = <24520 20>;
- device_type = "mdio";
- compatible = "gianfar";
+ compatible = "fsl,gianfar-mdio";
ethernet-phy@0 {
......
};
mdio@24520 {
- device_type = "mdio";
- compatible = "gianfar";
- reg = <24520 20>;
#address-cells = <1>;
#size-cells = <0>;
+ compatible = "fsl,gianfar-mdio";
+ reg = <24520 20>;
phy1: ethernet-phy@1 {
interrupt-parent = < &ipic >;
interrupts = <13 8>;
};
};
- ethernet@24000 {
+ enet0: ethernet@24000 {
+ cell-index = <0>;
device_type = "network";
model = "eTSEC";
compatible = "gianfar";
phy-handle = < &phy1 >;
};
- ethernet@25000 {
+ enet1: ethernet@25000 {
+ cell-index = <1>;
device_type = "network";
model = "eTSEC";
compatible = "gianfar";
mode = "slave";
};
- ucc@2200 {
+ enet0: ucc@2200 {
device_type = "network";
compatible = "ucc_geth";
model = "UCC";
+ cell-index = <3>;
device-id = <3>;
reg = <2200 200>;
interrupts = <22>;
interrupt-parent = < &qeic >;
- /*
- * mac-address is deprecated and will be removed
- * in 2.6.25. Only recent versions of
- * U-Boot support local-mac-address, however.
- */
- mac-address = [ 00 00 00 00 00 00 ];
local-mac-address = [ 00 00 00 00 00 00 ];
rx-clock = <19>;
tx-clock = <1a>;
pio-handle = < &pio3 >;
};
- ucc@3200 {
+ enet1: ucc@3200 {
device_type = "network";
compatible = "ucc_geth";
model = "UCC";
+ cell-index = <4>;
device-id = <4>;
reg = <3200 200>;
interrupts = <23>;
interrupt-parent = < &qeic >;
- /*
- * mac-address is deprecated and will be removed
- * in 2.6.25. Only recent versions of
- * U-Boot support local-mac-address, however.
- */
- mac-address = [ 00 00 00 00 00 00 ];
local-mac-address = [ 00 00 00 00 00 00 ];
rx-clock = <17>;
tx-clock = <18>;
mode = "cpu";
};
- ucc@3000 {
+ enet0: ucc@3000 {
device_type = "network";
compatible = "ucc_geth";
model = "UCC";
+ cell-index = <2>;
device-id = <2>;
reg = <3000 200>;
interrupts = <21>;
interrupt-parent = <&qeic>;
- /*
- * mac-address is deprecated and will be removed
- * in 2.6.25. Only recent versions of
- * U-Boot support local-mac-address, however.
- */
- mac-address = [ 00 00 00 00 00 00 ];
local-mac-address = [ 00 00 00 00 00 00 ];
rx-clock = <20>;
tx-clock = <13>;
pio-handle = <&ucc2pio>;
};
- ucc@2200 {
+ enet1: ucc@2200 {
device_type = "network";
compatible = "ucc_geth";
model = "UCC";
+ cell-index = <3>;
device-id = <3>;
reg = <2200 200>;
interrupts = <22>;
interrupt-parent = <&qeic>;
- /*
- * mac-address is deprecated and will be removed
- * in 2.6.25. Only recent versions of
- * U-Boot support local-mac-address, however.
- */
- mac-address = [ 00 00 00 00 00 00 ];
local-mac-address = [ 00 00 00 00 00 00 ];
rx-clock = <19>;
tx-clock = <1a>;
};
mdio@24520 {
- device_type = "mdio";
- compatible = "gianfar";
- reg = <24520 20>;
#address-cells = <1>;
#size-cells = <0>;
+ compatible = "fsl,gianfar-mdio";
+ reg = <24520 20>;
/* Vitesse 8201 */
phy1c: ethernet-phy@1c {
};
};
- ethernet@24000 {
+ enet0: ethernet@24000 {
+ cell-index = <0>;
device_type = "network";
model = "TSEC";
compatible = "gianfar";
reg = <24000 1000>;
- /*
- * address is deprecated and will be removed
- * in 2.6.25. Only recent versions of
- * U-Boot support local-mac-address, however.
- */
- address = [ 00 00 00 00 00 00 ];
local-mac-address = [ 00 00 00 00 00 00 ];
interrupts = <20 8 21 8 22 8>;
interrupt-parent = < &ipic >;
linux,network-index = <0>;
};
- ethernet@25000 {
- #address-cells = <1>;
- #size-cells = <0>;
+ enet1: ethernet@25000 {
+ cell-index = <1>;
device_type = "network";
model = "TSEC";
compatible = "gianfar";
reg = <25000 1000>;
- /*
- * address is deprecated and will be removed
- * in 2.6.25. Only recent versions of
- * U-Boot support local-mac-address, however.
- */
- address = [ 00 00 00 00 00 00 ];
local-mac-address = [ 00 00 00 00 00 00 ];
interrupts = <23 8 24 8 25 8>;
interrupt-parent = < &ipic >;
};
mdio@24520 {
- device_type = "mdio";
- compatible = "gianfar";
- reg = <24520 20>;
#address-cells = <1>;
#size-cells = <0>;
+ compatible = "fsl,gianfar-mdio";
+ reg = <24520 20>;
/* Vitesse 8201 */
phy1c: ethernet-phy@1c {
};
};
- ethernet@24000 {
+ enet0: ethernet@24000 {
+ cell-index = <0>;
device_type = "network";
model = "TSEC";
compatible = "gianfar";
};
mdio@24520 {
- device_type = "mdio";
- compatible = "gianfar";
- reg = <24520 20>;
#address-cells = <1>;
#size-cells = <0>;
+ compatible = "fsl,gianfar-mdio";
+ reg = <24520 20>;
+
phy0: ethernet-phy@0 {
interrupt-parent = < &ipic >;
interrupts = <11 8>;
};
};
- ethernet@24000 {
+ enet0: ethernet@24000 {
+ cell-index = <0>;
device_type = "network";
model = "TSEC";
compatible = "gianfar";
reg = <24000 1000>;
- /*
- * address is deprecated and will be removed
- * in 2.6.25. Only recent versions of
- * U-Boot support local-mac-address, however.
- */
- address = [ 00 00 00 00 00 00 ];
local-mac-address = [ 00 00 00 00 00 00 ];
interrupts = <20 8 21 8 22 8>;
interrupt-parent = < &ipic >;
linux,network-index = <0>;
};
- ethernet@25000 {
- #address-cells = <1>;
- #size-cells = <0>;
+ enet1: ethernet@25000 {
+ cell-index = <1>;
device_type = "network";
model = "TSEC";
compatible = "gianfar";
reg = <25000 1000>;
- /*
- * address is deprecated and will be removed
- * in 2.6.25. Only recent versions of
- * U-Boot support local-mac-address, however.
- */
- address = [ 00 00 00 00 00 00 ];
local-mac-address = [ 00 00 00 00 00 00 ];
interrupts = <23 8 24 8 25 8>;
interrupt-parent = < &ipic >;
mode = "slave";
};
- ucc@2000 {
+ enet0: ucc@2000 {
device_type = "network";
compatible = "ucc_geth";
model = "UCC";
+ cell-index = <1>;
device-id = <1>;
reg = <2000 200>;
interrupts = <20>;
interrupt-parent = < &qeic >;
- /*
- * mac-address is deprecated and will be removed
- * in 2.6.25. Only recent versions of
- * U-Boot support local-mac-address, however.
- */
- mac-address = [ 00 00 00 00 00 00 ];
local-mac-address = [ 00 00 00 00 00 00 ];
rx-clock = <0>;
tx-clock = <19>;
pio-handle = < &pio1 >;
};
- ucc@3000 {
+ enet1: ucc@3000 {
device_type = "network";
compatible = "ucc_geth";
model = "UCC";
+ cell-index = <2>;
device-id = <2>;
reg = <3000 200>;
interrupts = <21>;
interrupt-parent = < &qeic >;
- /*
- * mac-address is deprecated and will be removed
- * in 2.6.25. Only recent versions of
- * U-Boot support local-mac-address, however.
- */
- mac-address = [ 00 00 00 00 00 00 ];
local-mac-address = [ 00 00 00 00 00 00 ];
rx-clock = <0>;
tx-clock = <14>;
mdio@24520 {
#address-cells = <1>;
#size-cells = <0>;
- device_type = "mdio";
- compatible = "gianfar";
+ compatible = "fsl,gianfar-mdio";
reg = <24520 20>;
+
phy0: ethernet-phy@0 {
interrupt-parent = <&mpic>;
interrupts = <5 1>;
};
};
- ethernet@24000 {
- #address-cells = <1>;
- #size-cells = <0>;
+ enet0: ethernet@24000 {
+ cell-index = <0>;
device_type = "network";
model = "TSEC";
compatible = "gianfar";
reg = <24000 1000>;
- /*
- * address is deprecated and will be removed
- * in 2.6.25. Only recent versions of
- * U-Boot support local-mac-address, however.
- */
- address = [ 00 00 00 00 00 00 ];
local-mac-address = [ 00 00 00 00 00 00 ];
interrupts = <1d 2 1e 2 22 2>;
interrupt-parent = <&mpic>;
phy-handle = <&phy0>;
};
- ethernet@25000 {
- #address-cells = <1>;
- #size-cells = <0>;
+ enet1: ethernet@25000 {
+ cell-index = <1>;
device_type = "network";
model = "TSEC";
compatible = "gianfar";
reg = <25000 1000>;
- /*
- * address is deprecated and will be removed
- * in 2.6.25. Only recent versions of
- * U-Boot support local-mac-address, however.
- */
- address = [ 00 00 00 00 00 00 ];
local-mac-address = [ 00 00 00 00 00 00 ];
interrupts = <23 2 24 2 28 2>;
interrupt-parent = <&mpic>;
phy-handle = <&phy1>;
};
- ethernet@26000 {
- #address-cells = <1>;
- #size-cells = <0>;
+ enet2: ethernet@26000 {
+ cell-index = <2>;
device_type = "network";
model = "FEC";
compatible = "gianfar";
reg = <26000 1000>;
- /*
- * address is deprecated and will be removed
- * in 2.6.25. Only recent versions of
- * U-Boot support local-mac-address, however.
- */
- address = [ 00 00 00 00 00 00 ];
local-mac-address = [ 00 00 00 00 00 00 ];
interrupts = <29 2>;
interrupt-parent = <&mpic>;
mdio@24520 {
#address-cells = <1>;
#size-cells = <0>;
- device_type = "mdio";
- compatible = "gianfar";
+ compatible = "fsl,gianfar-mdio";
reg = <24520 20>;
+
phy0: ethernet-phy@0 {
interrupt-parent = <&mpic>;
interrupts = <5 1>;
};
};
- ethernet@24000 {
- #address-cells = <1>;
- #size-cells = <0>;
+ enet0: ethernet@24000 {
+ cell-index = <0>;
device_type = "network";
model = "TSEC";
compatible = "gianfar";
phy-handle = <&phy0>;
};
- ethernet@25000 {
- #address-cells = <1>;
- #size-cells = <0>;
+ enet1: ethernet@25000 {
+ cell-index = <1>;
device_type = "network";
model = "TSEC";
compatible = "gianfar";
mdio@24520 {
#address-cells = <1>;
#size-cells = <0>;
- device_type = "mdio";
- compatible = "gianfar";
+ compatible = "fsl,gianfar-mdio";
reg = <24520 20>;
+
phy0: ethernet-phy@0 {
interrupt-parent = <&mpic>;
interrupts = <a 1>;
};
};
- ethernet@24000 {
- #address-cells = <1>;
- #size-cells = <0>;
+ enet0: ethernet@24000 {
+ cell-index = <0>;
device_type = "network";
model = "TSEC";
compatible = "gianfar";
phy-connection-type = "rgmii-id";
};
- ethernet@26000 {
- #address-cells = <1>;
- #size-cells = <0>;
+ enet1: ethernet@26000 {
+ cell-index = <1>;
device_type = "network";
model = "TSEC";
compatible = "gianfar";
mdio@24520 {
#address-cells = <1>;
#size-cells = <0>;
- device_type = "mdio";
- compatible = "gianfar";
+ compatible = "fsl,gianfar-mdio";
reg = <24520 20>;
+
phy0: ethernet-phy@0 {
interrupt-parent = <&mpic>;
interrupts = <5 1>;
};
};
- ethernet@24000 {
- #address-cells = <1>;
- #size-cells = <0>;
+ enet0: ethernet@24000 {
+ cell-index = <0>;
device_type = "network";
model = "eTSEC";
compatible = "gianfar";
phy-handle = <&phy0>;
};
- ethernet@25000 {
- #address-cells = <1>;
- #size-cells = <0>;
+ enet1: ethernet@25000 {
+ cell-index = <1>;
device_type = "network";
model = "eTSEC";
compatible = "gianfar";
};
/* eTSEC 3/4 are currently broken
- ethernet@26000 {
- #address-cells = <1>;
- #size-cells = <0>;
+ enet2: ethernet@26000 {
+ cell-index = <2>;
device_type = "network";
model = "eTSEC";
compatible = "gianfar";
phy-handle = <&phy2>;
};
- ethernet@27000 {
- #address-cells = <1>;
- #size-cells = <0>;
+ enet3: ethernet@27000 {
+ cell-index = <3>;
device_type = "network";
model = "eTSEC";
compatible = "gianfar";
mdio@24520 {
#address-cells = <1>;
#size-cells = <0>;
- device_type = "mdio";
- compatible = "gianfar";
+ compatible = "fsl,gianfar-mdio";
reg = <24520 20>;
+
phy0: ethernet-phy@0 {
interrupt-parent = <&mpic>;
interrupts = <5 1>;
};
};
- ethernet@24000 {
- #address-cells = <1>;
- #size-cells = <0>;
+ enet0: ethernet@24000 {
+ cell-index = <0>;
device_type = "network";
model = "TSEC";
compatible = "gianfar";
phy-handle = <&phy0>;
};
- ethernet@25000 {
- #address-cells = <1>;
- #size-cells = <0>;
+ enet1: ethernet@25000 {
+ cell-index = <1>;
device_type = "network";
model = "TSEC";
compatible = "gianfar";
};
mdio@24520 {
- device_type = "mdio";
- compatible = "gianfar";
- reg = <24520 20>;
#address-cells = <1>;
#size-cells = <0>;
+ compatible = "fsl,gianfar-mdio";
+ reg = <24520 20>;
+
phy0: ethernet-phy@0 {
interrupt-parent = <&mpic>;
interrupts = <5 1>;
};
};
- ethernet@24000 {
+ enet0: ethernet@24000 {
+ cell-index = <0>;
device_type = "network";
model = "TSEC";
compatible = "gianfar";
reg = <24000 1000>;
- /*
- * address is deprecated and will be removed
- * in 2.6.25. Only recent versions of
- * U-Boot support local-mac-address, however.
- */
- address = [ 00 00 00 00 00 00 ];
local-mac-address = [ 00 00 00 00 00 00 ];
interrupts = <1d 2 1e 2 22 2>;
interrupt-parent = <&mpic>;
phy-handle = <&phy0>;
};
- ethernet@25000 {
- #address-cells = <1>;
- #size-cells = <0>;
+ enet1: ethernet@25000 {
+ cell-index = <1>;
device_type = "network";
model = "TSEC";
compatible = "gianfar";
reg = <25000 1000>;
- /*
- * address is deprecated and will be removed
- * in 2.6.25. Only recent versions of
- * U-Boot support local-mac-address, however.
- */
- address = [ 00 00 00 00 00 00 ];
local-mac-address = [ 00 00 00 00 00 00 ];
interrupts = <23 2 24 2 28 2>;
interrupt-parent = <&mpic>;
interrupt-parent = <&cpmpic>;
};
- ethernet@91320 {
+ enet2: ethernet@91320 {
device_type = "network";
compatible = "fsl,mpc8560-fcc-enet",
"fsl,cpm2-fcc-enet";
reg = <91320 20 88500 100 913b0 1>;
- /*
- * mac-address is deprecated and will be removed
- * in 2.6.25. Only recent versions of
- * U-Boot support local-mac-address, however.
- */
- mac-address = [ 00 00 00 00 00 00 ];
local-mac-address = [ 00 00 00 00 00 00 ];
fsl,cpm-command = <16200300>;
interrupts = <21 8>;
phy-handle = <&phy2>;
};
- ethernet@91340 {
+ enet3: ethernet@91340 {
device_type = "network";
compatible = "fsl,mpc8560-fcc-enet",
"fsl,cpm2-fcc-enet";
reg = <91340 20 88600 100 913d0 1>;
- /*
- * mac-address is deprecated and will be removed
- * in 2.6.25. Only recent versions of
- * U-Boot support local-mac-address, however.
- */
- mac-address = [ 00 00 00 00 00 00 ];
local-mac-address = [ 00 00 00 00 00 00 ];
fsl,cpm-command = <1a400300>;
interrupts = <22 8>;
mdio@24520 {
#address-cells = <1>;
#size-cells = <0>;
- device_type = "mdio";
- compatible = "gianfar";
+ compatible = "fsl,gianfar-mdio";
reg = <24520 20>;
+
phy0: ethernet-phy@7 {
interrupt-parent = <&mpic>;
interrupts = <1 1>;
};
};
- ethernet@24000 {
- #address-cells = <1>;
- #size-cells = <0>;
+ enet0: ethernet@24000 {
+ cell-index = <0>;
device_type = "network";
model = "eTSEC";
compatible = "gianfar";
reg = <24000 1000>;
- /*
- * mac-address is deprecated and will be removed
- * in 2.6.25. Only recent versions of
- * U-Boot support local-mac-address, however.
- */
- mac-address = [ 00 00 00 00 00 00 ];
local-mac-address = [ 00 00 00 00 00 00 ];
interrupts = <1d 2 1e 2 22 2>;
interrupt-parent = <&mpic>;
phy-handle = <&phy2>;
};
- ethernet@25000 {
- #address-cells = <1>;
- #size-cells = <0>;
+ enet1: ethernet@25000 {
+ cell-index = <1>;
device_type = "network";
model = "eTSEC";
compatible = "gianfar";
reg = <25000 1000>;
- /*
- * mac-address is deprecated and will be removed
- * in 2.6.25. Only recent versions of
- * U-Boot support local-mac-address, however.
- */
- mac-address = [ 00 00 00 00 00 00 ];
local-mac-address = [ 00 00 00 00 00 00 ];
interrupts = <23 2 24 2 28 2>;
interrupt-parent = <&mpic>;
mode = "cpu";
};
- ucc@2000 {
+ enet2: ucc@2000 {
device_type = "network";
compatible = "ucc_geth";
model = "UCC";
+ cell-index = <1>;
device-id = <1>;
reg = <2000 200>;
interrupts = <20>;
interrupt-parent = <&qeic>;
- /*
- * mac-address is deprecated and will be removed
- * in 2.6.25. Only recent versions of
- * U-Boot support local-mac-address, however.
- */
- mac-address = [ 00 00 00 00 00 00 ];
local-mac-address = [ 00 00 00 00 00 00 ];
rx-clock = <0>;
tx-clock = <20>;
phy-connection-type = "rgmii-id";
};
- ucc@3000 {
+ enet3: ucc@3000 {
device_type = "network";
compatible = "ucc_geth";
model = "UCC";
+ cell-index = <2>;
device-id = <2>;
reg = <3000 200>;
interrupts = <21>;
interrupt-parent = <&qeic>;
- /*
- * mac-address is deprecated and will be removed
- * in 2.6.25. Only recent versions of
- * U-Boot support local-mac-address, however.
- */
- mac-address = [ 00 00 00 00 00 00 ];
local-mac-address = [ 00 00 00 00 00 00 ];
rx-clock = <0>;
tx-clock = <20>;
#address-cells = <1>;
#size-cells = <0>;
reg = <2120 18>;
- device_type = "mdio";
compatible = "ucc_geth_phy";
/* These are the same PHYs as on
mdio@24520 {
#address-cells = <1>;
#size-cells = <0>;
- device_type = "mdio";
- compatible = "gianfar";
+ compatible = "fsl,gianfar-mdio";
reg = <24520 20>;
+
phy0: ethernet-phy@0 {
interrupt-parent = <&mpic>;
interrupts = <a 1>;
};
};
- ethernet@24000 {
- #address-cells = <1>;
- #size-cells = <0>;
+ enet0: ethernet@24000 {
+ cell-index = <0>;
device_type = "network";
model = "eTSEC";
compatible = "gianfar";
phy-connection-type = "rgmii-id";
};
- ethernet@25000 {
- #address-cells = <1>;
- #size-cells = <0>;
+ enet1: ethernet@25000 {
+ cell-index = <1>;
device_type = "network";
model = "eTSEC";
compatible = "gianfar";
phy-connection-type = "rgmii-id";
};
- ethernet@26000 {
- #address-cells = <1>;
- #size-cells = <0>;
+ enet2: ethernet@26000 {
+ cell-index = <2>;
device_type = "network";
model = "eTSEC";
compatible = "gianfar";
phy-connection-type = "rgmii-id";
};
- ethernet@27000 {
- #address-cells = <1>;
- #size-cells = <0>;
+ enet3: ethernet@27000 {
+ cell-index = <3>;
device_type = "network";
model = "eTSEC";
compatible = "gianfar";
mdio@24520 {
#address-cells = <1>;
#size-cells = <0>;
- device_type = "mdio";
- compatible = "gianfar";
+ compatible = "fsl,gianfar-mdio";
reg = <24520 20>;
+
phy0: ethernet-phy@0 {
interrupt-parent = <&mpic>;
interrupts = <a 1>;
};
enet0: ethernet@24000 {
- #address-cells = <1>;
- #size-cells = <0>;
+ cell-index = <0>;
device_type = "network";
model = "TSEC";
compatible = "gianfar";
reg = <24000 1000>;
- /*
- * mac-address is deprecated and will be removed
- * in 2.6.25. Only recent versions of
- * U-Boot support local-mac-address, however.
- */
- mac-address = [ 00 00 00 00 00 00 ];
local-mac-address = [ 00 00 00 00 00 00 ];
interrupts = <1d 2 1e 2 22 2>;
interrupt-parent = <&mpic>;
};
enet1: ethernet@25000 {
- #address-cells = <1>;
- #size-cells = <0>;
+ cell-index = <1>;
device_type = "network";
model = "TSEC";
compatible = "gianfar";
reg = <25000 1000>;
- /*
- * mac-address is deprecated and will be removed
- * in 2.6.25. Only recent versions of
- * U-Boot support local-mac-address, however.
- */
- mac-address = [ 00 00 00 00 00 00 ];
local-mac-address = [ 00 00 00 00 00 00 ];
interrupts = <23 2 24 2 28 2>;
interrupt-parent = <&mpic>;
};
enet2: ethernet@26000 {
- #address-cells = <1>;
- #size-cells = <0>;
+ cell-index = <2>;
device_type = "network";
model = "TSEC";
compatible = "gianfar";
reg = <26000 1000>;
- /*
- * mac-address is deprecated and will be removed
- * in 2.6.25. Only recent versions of
- * U-Boot support local-mac-address, however.
- */
- mac-address = [ 00 00 00 00 00 00 ];
local-mac-address = [ 00 00 00 00 00 00 ];
interrupts = <1F 2 20 2 21 2>;
interrupt-parent = <&mpic>;
};
enet3: ethernet@27000 {
- #address-cells = <1>;
- #size-cells = <0>;
+ cell-index = <3>;
device_type = "network";
model = "TSEC";
compatible = "gianfar";
reg = <27000 1000>;
- /*
- * mac-address is deprecated and will be removed
- * in 2.6.25. Only recent versions of
- * U-Boot support local-mac-address, however.
- */
- mac-address = [ 00 00 00 00 00 00 ];
local-mac-address = [ 00 00 00 00 00 00 ];
interrupts = <25 2 26 2 27 2>;
interrupt-parent = <&mpic>;
static int __init gfar_mdio_of_init(void)
{
- struct device_node *np;
- unsigned int i;
+ struct device_node *np = NULL;
struct platform_device *mdio_dev;
struct resource res;
int ret;
- for (np = NULL, i = 0;
- (np = of_find_compatible_node(np, "mdio", "gianfar")) != NULL;
- i++) {
+ np = of_find_compatible_node(np, NULL, "fsl,gianfar-mdio");
+
+ /* try the deprecated version */
+ if (!np)
+ np = of_find_compatible_node(np, "mdio", "gianfar");
+
+ if (np) {
int k;
struct device_node *child = NULL;
struct gianfar_mdio_data mdio_data;
goto unreg;
}
+ of_node_put(np);
return 0;
unreg:
platform_device_unregister(mdio_dev);
err:
+ of_node_put(np);
return ret;
}