net: fec: Don't use disabled phys

If a phy is disabled, don't use it. This matches Linux's behavior.

Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>

diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c
index ec21157..59f5a14 100644 (file)
--- a/drivers/net/fec_mxc.c
+++ b/drivers/net/fec_mxc.c
@@ -1299,16 +1299,19 @@ static const struct eth_ops fecmxc_ops = {
 static int device_get_phy_addr(struct fec_priv *priv, struct udevice *dev)
 {
        struct ofnode_phandle_args phandle_args;
-       int reg;
+       int reg, ret;
 
-       if (dev_read_phandle_with_args(dev, "phy-handle", NULL, 0, 0,
-                                      &phandle_args)) {
-               debug("Failed to find phy-handle");
-               return -ENODEV;
+       ret = dev_read_phandle_with_args(dev, "phy-handle", NULL, 0, 0,
+                                        &phandle_args);
+       if (ret) {
+               debug("Failed to find phy-handle (err = %d\n)", ret);
+               return ret;
        }
 
-       priv->phy_of_node = phandle_args.node;
+       if (!ofnode_is_available(phandle_args.node))
+               return -ENOENT;
 
+       priv->phy_of_node = phandle_args.node;
        reg = ofnode_read_u32_default(phandle_args.node, "reg", 0);
 
        return reg;