From: Neil Armstrong <narmstrong@baylibre.com>
Date: Tue, 22 Sep 2015 08:57:04 +0000 (+0200)
Subject: net: davinci_emac: Add support for fixed-link PHY
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=1bb6aa56bb388ac4f7dba226aa55142fa8c65361;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

net: davinci_emac: Add support for fixed-link PHY

In case the DaVinci Emac is directly connected to a
non-mdio PHY/device, it should be possible to provide
a fixed link configuration in the DT.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c
index 39a54b27db66..33bd3b902304 100644
--- a/drivers/net/ethernet/ti/davinci_emac.c
+++ b/drivers/net/ethernet/ti/davinci_emac.c
@@ -1861,8 +1861,12 @@ davinci_emac_of_get_pdata(struct platform_device *pdev, struct emac_priv *priv)
 	pdata->no_bd_ram = of_property_read_bool(np, "ti,davinci-no-bd-ram");
 
 	priv->phy_node = of_parse_phandle(np, "phy-handle", 0);
-	if (!priv->phy_node)
-		pdata->phy_id = NULL;
+	if (!priv->phy_node) {
+		if (!of_phy_is_fixed_link(np))
+			pdata->phy_id = NULL;
+		else if (of_phy_register_fixed_link(np) >= 0)
+			priv->phy_node = of_node_get(np);
+	}
 
 	auxdata = pdev->dev.platform_data;
 	if (auxdata) {