[PATCH v4] net: ethernet: nb8800: support fixed-link DT node

[Sebastian Frias]

Properly handles the case where the PHY is not connected
to the real MDIO bus
Signed-off-by: Sebastian Frias <s...@laposte.net>
---
 drivers/net/ethernet/aurora/nb8800.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/aurora/nb8800.c 
b/drivers/net/ethernet/aurora/nb8800.c
index ecc4a33..e1fb071 100644
--- a/drivers/net/ethernet/aurora/nb8800.c
+++ b/drivers/net/ethernet/aurora/nb8800.c
@@ -1460,7 +1460,19 @@ static int nb8800_probe(struct platform_device *pdev)
                goto err_disable_clk;
        }

-       priv->phy_node = of_parse_phandle(pdev->dev.of_node, "phy-handle", 0);
+       if (of_phy_is_fixed_link(pdev->dev.of_node)) {
+               ret = of_phy_register_fixed_link(pdev->dev.of_node);
+               if (ret < 0) {
+                       dev_err(&pdev->dev, "bad fixed-link spec\n");
+                       goto err_free_bus;
+               }
+               priv->phy_node = of_node_get(pdev->dev.of_node);
+       }
+
+       if (!priv->phy_node)
+               priv->phy_node = of_parse_phandle(pdev->dev.of_node,
+                                                 "phy-handle", 0);
+
        if (!priv->phy_node) {
                dev_err(&pdev->dev, "no PHY specified\n");
                ret = -ENODEV;
--
2.1.4