int bcmgenet_mii_probe(struct net_device *dev)
{
struct bcmgenet_priv *priv = netdev_priv(dev);
struct device_node *dn = priv->pdev->dev.of_node;
struct phy_device *phydev;
u32 phy_flags;
int ret;
/* Communicate the integrated PHY revision */
phy_flags = priv->gphy_rev;
/* Initialize link state variables that bcmgenet_mii_setup() uses */
priv->old_link = -1;
priv->old_speed = -1;
priv->old_duplex = -1;
priv->old_pause = -1;
if (dn) {
phydev = of_phy_connect(dev, priv->phy_dn, bcmgenet_mii_setup,
phy_flags, priv->phy_interface);
if (!phydev) {
pr_err("could not attach to PHY\n");
return -ENODEV;
}
} else {
phydev = dev->phydev;
phydev->dev_flags = phy_flags;
ret = phy_connect_direct(dev, phydev, bcmgenet_mii_setup,
priv->phy_interface);
if (ret) {
pr_err("could not attach to PHY\n");
return -ENODEV;
}
}
/* Configure port multiplexer based on what the probed PHY device since
* reading the 'max-speed' property determines the maximum supported
* PHY speed which is needed for bcmgenet_mii_config() to configure
* things appropriately.
*/
ret = bcmgenet_mii_config(dev, true);
if (ret) {
phy_disconnect(dev->phydev);
return ret;
}
linkmode_copy(phydev->advertising, phydev->supported);
/* The internal PHY has its link interrupts routed to the
* Ethernet MAC ISRs. On GENETv5 there is a hardware issue
* that prevents the signaling of link UP interrupts when
* the link operates at 10Mbps, so fallback to polling for
* those versions of GENET.
*/
if (priv->internal_phy && !GENET_IS_V5(priv))
dev->phydev->irq = PHY_IGNORE_INTERRUPT;
return 0;
}
static int bcmgenet_mii_probe(struct net_device *dev)
{
struct bcmgenet_priv *priv = netdev_priv(dev);
struct device_node *dn = priv->pdev->dev.of_node;
struct phy_device *phydev;
u32 phy_flags;
int ret;
if (priv->phydev) {
pr_info("PHY already attached\n");
return 0;
}
/* In the case of a fixed PHY, the DT node associated
* to the PHY is the Ethernet MAC DT node.
*/
if (!priv->phy_dn && of_phy_is_fixed_link(dn)) {
ret = of_phy_register_fixed_link(dn);
if (ret)
return ret;
priv->phy_dn = of_node_get(dn);
}
/* Communicate the integrated PHY revision */
phy_flags = priv->gphy_rev;
/* Initialize link state variables that bcmgenet_mii_setup() uses */
priv->old_link = -1;
priv->old_speed = -1;
priv->old_duplex = -1;
priv->old_pause = -1;
phydev = of_phy_connect(dev, priv->phy_dn, bcmgenet_mii_setup,
phy_flags, priv->phy_interface);
if (!phydev) {
pr_err("could not attach to PHY\n");
return -ENODEV;
}
priv->phydev = phydev;
/* Configure port multiplexer based on what the probed PHY device since
* reading the 'max-speed' property determines the maximum supported
* PHY speed which is needed for bcmgenet_mii_config() to configure
* things appropriately.
*/
ret = bcmgenet_mii_config(dev, true);
if (ret) {
phy_disconnect(priv->phydev);
return ret;
}
phydev->advertising = phydev->supported;
/* The internal PHY has its link interrupts routed to the
* Ethernet MAC ISRs
*/
if (phy_is_internal(priv->phydev))
priv->mii_bus->irq[phydev->addr] = PHY_IGNORE_INTERRUPT;
else
priv->mii_bus->irq[phydev->addr] = PHY_POLL;
pr_info("attached PHY at address %d [%s]\n",
phydev->addr, phydev->drv->name);
return 0;
}
static int bcmgenet_mii_probe(struct net_device *dev)
{
struct bcmgenet_priv *priv = netdev_priv(dev);
struct device_node *dn = priv->pdev->dev.of_node;
struct phy_device *phydev;
unsigned int phy_flags;
int ret;
if (priv->phydev) {
pr_info("PHY already attached\n");
return 0;
}
/* In the case of a fixed PHY, the DT node associated
* to the PHY is the Ethernet MAC DT node.
*/
if (of_phy_is_fixed_link(dn)) {
ret = of_phy_register_fixed_link(dn);
if (ret)
return ret;
priv->phy_dn = dn;
}
phydev = of_phy_connect(dev, priv->phy_dn, bcmgenet_mii_setup, 0,
priv->phy_interface);
if (!phydev) {
pr_err("could not attach to PHY\n");
return -ENODEV;
}
priv->old_link = -1;
priv->old_duplex = -1;
priv->old_pause = -1;
priv->phydev = phydev;
/* Configure port multiplexer based on what the probed PHY device since
* reading the 'max-speed' property determines the maximum supported
* PHY speed which is needed for bcmgenet_mii_config() to configure
* things appropriately.
*/
ret = bcmgenet_mii_config(dev);
if (ret) {
phy_disconnect(priv->phydev);
return ret;
}
phy_flags = PHY_BRCM_100MBPS_WAR;
/* workarounds are only needed for 100Mpbs PHYs, and
* never on GENET V1 hardware
*/
if ((phydev->supported & PHY_GBIT_FEATURES) || GENET_IS_V1(priv))
phy_flags = 0;
phydev->dev_flags |= phy_flags;
phydev->advertising = phydev->supported;
/* The internal PHY has its link interrupts routed to the
* Ethernet MAC ISRs
*/
if (phy_is_internal(priv->phydev))
priv->mii_bus->irq[phydev->addr] = PHY_IGNORE_INTERRUPT;
else
priv->mii_bus->irq[phydev->addr] = PHY_POLL;
pr_info("attached PHY at address %d [%s]\n",
phydev->addr, phydev->drv->name);
return 0;
}
