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path: root/drivers/net/fec.c
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Diffstat (limited to 'drivers/net/fec.c')
-rw-r--r--drivers/net/fec.c41
1 files changed, 27 insertions, 14 deletions
diff --git a/drivers/net/fec.c b/drivers/net/fec.c
index e83f67d22fe3..cce32d43175f 100644
--- a/drivers/net/fec.c
+++ b/drivers/net/fec.c
@@ -678,24 +678,37 @@ static int fec_enet_mii_probe(struct net_device *dev)
{
struct fec_enet_private *fep = netdev_priv(dev);
struct phy_device *phy_dev = NULL;
- int ret;
+ char mdio_bus_id[MII_BUS_ID_SIZE];
+ char phy_name[MII_BUS_ID_SIZE + 3];
+ int phy_id;
fep->phy_dev = NULL;
- /* find the first phy */
- phy_dev = phy_find_first(fep->mii_bus);
- if (!phy_dev) {
- printk(KERN_ERR "%s: no PHY found\n", dev->name);
- return -ENODEV;
+ /* check for attached phy */
+ for (phy_id = 0; (phy_id < PHY_MAX_ADDR); phy_id++) {
+ if ((fep->mii_bus->phy_mask & (1 << phy_id)))
+ continue;
+ if (fep->mii_bus->phy_map[phy_id] == NULL)
+ continue;
+ if (fep->mii_bus->phy_map[phy_id]->phy_id == 0)
+ continue;
+ strncpy(mdio_bus_id, fep->mii_bus->id, MII_BUS_ID_SIZE);
+ break;
}
- /* attach the mac to the phy */
- ret = phy_connect_direct(dev, phy_dev,
- &fec_enet_adjust_link, 0,
- PHY_INTERFACE_MODE_MII);
- if (ret) {
- printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name);
- return ret;
+ if (phy_id >= PHY_MAX_ADDR) {
+ printk(KERN_INFO "%s: no PHY, assuming direct connection "
+ "to switch\n", dev->name);
+ strncpy(mdio_bus_id, "0", MII_BUS_ID_SIZE);
+ phy_id = 0;
+ }
+
+ snprintf(phy_name, MII_BUS_ID_SIZE, PHY_ID_FMT, mdio_bus_id, phy_id);
+ phy_dev = phy_connect(dev, phy_name, &fec_enet_adjust_link, 0,
+ PHY_INTERFACE_MODE_MII);
+ if (IS_ERR(phy_dev)) {
+ printk(KERN_ERR "%s: could not attach to PHY\n", dev->name);
+ return PTR_ERR(phy_dev);
}
/* mask with MAC supported features */
@@ -738,7 +751,7 @@ static int fec_enet_mii_init(struct platform_device *pdev)
fep->mii_bus->read = fec_enet_mdio_read;
fep->mii_bus->write = fec_enet_mdio_write;
fep->mii_bus->reset = fec_enet_mdio_reset;
- snprintf(fep->mii_bus->id, MII_BUS_ID_SIZE, "%x", pdev->id);
+ snprintf(fep->mii_bus->id, MII_BUS_ID_SIZE, "%x", pdev->id + 1);
fep->mii_bus->priv = fep;
fep->mii_bus->parent = &pdev->dev;