[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 <sf84@xxxxxxxxxxx>
---
 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