netdev: mdio-octeon.c: Convert to use device tree.

Get the MDIO bus controller addresses from the device tree, small
clean up in use of devm_*

Remove, now unused, platform device setup code.

Signed-off-by: David Daney <david.daney@cavium.com>
Acked-by: David S. Miller <davem@davemloft.net>
Cc: linux-mips@linux-mips.org
Cc: devicetree-discuss@lists.ozlabs.org
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/3938/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 0 insertions, 30 deletions

diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c
index f62a40f424ca..66cabc2e64c8 100644
--- a/arch/mips/cavium-octeon/octeon-platform.c
+++ b/arch/mips/cavium-octeon/octeon-platform.c
@@ -168,36 +168,6 @@ out:
 }
 device_initcall(octeon_rng_device_init);
 
-/* Octeon SMI/MDIO interface.  */
-static int __init octeon_mdiobus_device_init(void)
-{
-        struct platform_device *pd;
-        int ret = 0;
-
-        if (octeon_is_simulation())
-                return 0; /* No mdio in the simulator. */
-
-        /* The bus number is the platform_device id.  */
-        pd = platform_device_alloc("mdio-octeon", 0);
-        if (!pd) {
-                ret = -ENOMEM;
-                goto out;
-        }
-
-        ret = platform_device_add(pd);
-        if (ret)
-                goto fail;
-
-        return ret;
-fail:
-        platform_device_put(pd);
-
-out:
-        return ret;
-
-}
-device_initcall(octeon_mdiobus_device_init);
-
 /* Octeon mgmt port Ethernet interface.  */
 static int __init octeon_mgmt_device_init(void)
 {