net: ethernet: mtk_eth_soc: Use of_get_available_child_by_name()

Use the helper of_get_available_child_by_name() to simplify
mtk_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_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 53485142938c4762b87da6e62d6aff57cd35be24..0ad965ced5ef847d82362bfcdc8da95fdb4db3d8 100644 (file)
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -830,17 +830,12 @@ static int mtk_mdio_init(struct mtk_eth *eth)
        int ret;
        u32 val;
 
-       mii_np = of_get_child_by_name(eth->dev->of_node, "mdio-bus");
+       mii_np = of_get_available_child_by_name(eth->dev->of_node, "mdio-bus");
        if (!mii_np) {
                dev_err(eth->dev, "no %s child node found", "mdio-bus");
                return -ENODEV;
        }
 
-       if (!of_device_is_available(mii_np)) {
-               ret = -ENODEV;
-               goto err_put_node;
-       }
-
        eth->mii_bus = devm_mdiobus_alloc(eth->dev);
        if (!eth->mii_bus) {
                ret = -ENOMEM;