diff options
Diffstat (limited to 'drivers/net/phy/phy_device.c')
| -rw-r--r-- | drivers/net/phy/phy_device.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 8cff61dbc4b5..716870a4499c 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -1512,6 +1512,15 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev, phy_resume(phydev); phy_led_triggers_register(phydev); + /** + * If the external phy used by current mac interface is managed by + * another mac interface, so we should create a device link between + * phy dev and mac dev. + */ + if (phydev->mdio.bus->parent && dev->dev.parent != phydev->mdio.bus->parent) + phydev->devlink = device_link_add(dev->dev.parent, &phydev->mdio.dev, + DL_FLAG_PM_RUNTIME | DL_FLAG_STATELESS); + return err; error: @@ -1750,6 +1759,9 @@ void phy_detach(struct phy_device *phydev) struct module *ndev_owner = NULL; struct mii_bus *bus; + if (phydev->devlink) + device_link_del(phydev->devlink); + if (phydev->sysfs_links) { if (dev) sysfs_remove_link(&dev->dev.kobj, "phydev"); |