net: ibm: emac: Use of_get_available_child_by_name()

Use the helper of_get_available_child_by_name() to simplify
emac_dt_mdio_probe().

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/ibm/emac/core.c b/drivers/net/ethernet/ibm/emac/core.c
index 25b8a3556004234eac9c52c223aeaa5493120a73..417dfa18daae3a40fc1838b9d70720bf9140092f 100644 (file)
--- a/drivers/net/ethernet/ibm/emac/core.c
+++ b/drivers/net/ethernet/ibm/emac/core.c
@@ -2554,17 +2554,12 @@ static int emac_dt_mdio_probe(struct emac_instance *dev)
        struct mii_bus *bus;
        int res;
 
-       mii_np = of_get_child_by_name(dev->ofdev->dev.of_node, "mdio");
+       mii_np = of_get_available_child_by_name(dev->ofdev->dev.of_node, "mdio");
        if (!mii_np) {
                dev_err(&dev->ofdev->dev, "no mdio definition found.");
                return -ENODEV;
        }
 
-       if (!of_device_is_available(mii_np)) {
-               res = -ENODEV;
-               goto put_node;
-       }
-
        bus = devm_mdiobus_alloc(&dev->ofdev->dev);
        if (!bus) {
                res = -ENOMEM;