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path: root/drivers/net/ethernet/xilinx/xilinx_emaclite.c
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Diffstat (limited to 'drivers/net/ethernet/xilinx/xilinx_emaclite.c')
-rw-r--r--drivers/net/ethernet/xilinx/xilinx_emaclite.c30
1 files changed, 12 insertions, 18 deletions
diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
index 57a24f62e353..d770b3ac3f74 100644
--- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c
+++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
@@ -823,10 +823,10 @@ static int xemaclite_mdio_write(struct mii_bus *bus, int phy_id, int reg,
static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev)
{
struct mii_bus *bus;
- int rc;
struct resource res;
struct device_node *np = of_get_parent(lp->phy_node);
struct device_node *npp;
+ int rc, ret;
/* Don't register the MDIO bus if the phy_node or its parent node
* can't be found.
@@ -836,8 +836,14 @@ static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev)
return -ENODEV;
}
npp = of_get_parent(np);
-
- of_address_to_resource(npp, 0, &res);
+ ret = of_address_to_resource(npp, 0, &res);
+ of_node_put(npp);
+ if (ret) {
+ dev_err(dev, "%s resource error!\n",
+ dev->of_node->full_name);
+ of_node_put(np);
+ return ret;
+ }
if (lp->ndev->mem_start != res.start) {
struct phy_device *phydev;
phydev = of_phy_find_device(lp->phy_node);
@@ -846,6 +852,7 @@ static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev)
"MDIO of the phy is not registered yet\n");
else
put_device(&phydev->mdio.dev);
+ of_node_put(np);
return 0;
}
@@ -858,6 +865,7 @@ static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev)
bus = mdiobus_alloc();
if (!bus) {
dev_err(dev, "Failed to allocate mdiobus\n");
+ of_node_put(np);
return -ENOMEM;
}
@@ -870,6 +878,7 @@ static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev)
bus->parent = dev;
rc = of_mdiobus_register(bus, np);
+ of_node_put(np);
if (rc) {
dev_err(dev, "Failed to register mdio bus.\n");
goto err_register;
@@ -926,8 +935,6 @@ static int xemaclite_open(struct net_device *dev)
xemaclite_disable_interrupts(lp);
if (lp->phy_node) {
- u32 bmcr;
-
lp->phy_dev = of_phy_connect(lp->ndev, lp->phy_node,
xemaclite_adjust_link, 0,
PHY_INTERFACE_MODE_MII);
@@ -938,19 +945,6 @@ static int xemaclite_open(struct net_device *dev)
/* EmacLite doesn't support giga-bit speeds */
phy_set_max_speed(lp->phy_dev, SPEED_100);
-
- /* Don't advertise 1000BASE-T Full/Half duplex speeds */
- phy_write(lp->phy_dev, MII_CTRL1000, 0);
-
- /* Advertise only 10 and 100mbps full/half duplex speeds */
- phy_write(lp->phy_dev, MII_ADVERTISE, ADVERTISE_ALL |
- ADVERTISE_CSMA);
-
- /* Restart auto negotiation */
- bmcr = phy_read(lp->phy_dev, MII_BMCR);
- bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART);
- phy_write(lp->phy_dev, MII_BMCR, bmcr);
-
phy_start(lp->phy_dev);
}