> +static int dpaa2_pcs_create(struct dpaa2_mac *mac,
> + struct device_node *dpmac_node, int id)
> +{
> + struct mdio_device *mdiodev;
> + struct device_node *node;
> +
> + node = of_parse_phandle(dpmac_node, "pcs-handle", 0);
> + if (!node) {
> + /* do not error out on old DTS files */
> + netdev_warn(mac->net_dev, "pcs-handle node not found\n");
> + return 0;
> + }
> +
> + if (!of_device_is_available(node) ||
> + !of_device_is_available(node->parent)) {
> + netdev_err(mac->net_dev, "pcs-handle node not available\n");
> + return -ENODEV;
> + }
Can a child be available when its parent is not? I've no idea!
Reviewed-by: Andrew Lunn <and...@lunn.ch>
Andrew
