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lantiq: fix PHY state handling issue 

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 48546
owl
Felix Fietkau 2016-01-29 00:42:38 +00:00
parent 3021d3139b
commit d4fe52c16d
1 changed files with 38 additions and 0 deletions
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38
target/linux/lantiq/patches-4.4/0400-xrx200-net-multi-phy.patch Normal file
View File

@ -0,0 +1,38 @@
--- 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,