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path: root/target/linux/lantiq/patches-4.4/0400-xrx200-net-multi-phy.patch
blob: a86fe8de40605bf28a998e80a7ba3fdfac97c163 (plain)
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--- a/drivers/net/ethernet/lantiq_xrx200.c
+++ b/drivers/net/ethernet/lantiq_xrx200.c
@@ -1209,13 +1209,18 @@ static void xrx200_gmac_update(struct xr
 static void xrx200_mdio_link(struct net_device *dev)
 {
 	struct xrx200_priv *priv = netdev_priv(dev);
+	bool changed = false, link = false;
 	int i;
 
 	for (i = 0; i < priv->num_port; i++) {
 		if (!priv->port[i].phydev)
 			continue;
 
+		if (priv->port[i].phydev->link)
+			link = true;
+
 		if (priv->port[i].link != priv->port[i].phydev->link) {
+			changed = true;
 			xrx200_gmac_update(&priv->port[i]);
 			priv->port[i].link = priv->port[i].phydev->link;
 			netdev_info(dev, "port %d %s link\n",
@@ -1223,6 +1228,8 @@ static void xrx200_mdio_link(struct net_
 				(priv->port[i].link)?("got"):("lost"));
 		}
 	}
+	if (changed && !link)
+		netif_carrier_off(dev);
 }
 
 static inline int xrx200_mdio_poll(struct mii_bus *bus)
@@ -1300,6 +1307,7 @@ static int xrx200_mdio_probe(struct net_
 			| SUPPORTED_TP);
 	phydev->advertising = phydev->supported;
 	port->phydev = phydev;
+	phydev->no_auto_carrier_off = true;
 
 	pr_info("%s: attached PHY [%s] (phy_addr=%s, irq=%d)\n",
 		dev->name, phydev->drv->name,