We want to fail if the PCS is not available, not if it is available. Fix
this condition.
Fixes: 5d93cfcf7360 ("net: dpaa: Convert to phylink")
Reported-by: Christian Zigotzky <info@xenosoft.de>
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
        dtsec->dtsec_drv_param->tx_pad_crc = true;
 
        phy_node = of_parse_phandle(mac_node, "tbi-handle", 0);
-       if (!phy_node || of_device_is_available(phy_node)) {
+       if (!phy_node || !of_device_is_available(phy_node)) {
                of_node_put(phy_node);
                err = -EINVAL;
                dev_err_probe(mac_dev->dev, err,