net: ethernet: mtk-star-emac: Use of_get_available_child_by_name()

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

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/mediatek/mtk_star_emac.c b/drivers/net/ethernet/mediatek/mtk_star_emac.c
index 25989c79c92e612eec241d175f4789018f520a8f..76f202d7f05537642ec294811ace2ad4a7eae383 100644 (file)
--- a/drivers/net/ethernet/mediatek/mtk_star_emac.c
+++ b/drivers/net/ethernet/mediatek/mtk_star_emac.c
@@ -1427,15 +1427,10 @@ static int mtk_star_mdio_init(struct net_device *ndev)
 
        of_node = dev->of_node;
 
-       mdio_node = of_get_child_by_name(of_node, "mdio");
+       mdio_node = of_get_available_child_by_name(of_node, "mdio");
        if (!mdio_node)
                return -ENODEV;
 
-       if (!of_device_is_available(mdio_node)) {
-               ret = -ENODEV;
-               goto out_put_node;
-       }
-
        priv->mii = devm_mdiobus_alloc(dev);
        if (!priv->mii) {
                ret = -ENOMEM;