int phy_suspend(struct phy_device *phydev)
{
- struct phy_driver *phydrv = to_phy_driver(phydev->mdio.dev.driver);
- struct net_device *netdev = phydev->attached_dev;
struct ethtool_wolinfo wol = { .cmd = ETHTOOL_GWOL };
- int ret = 0;
+ struct net_device *netdev = phydev->attached_dev;
+ struct phy_driver *phydrv = phydev->drv;
+ int ret;
/* If the device has WOL enabled, we cannot suspend the PHY */
phy_ethtool_get_wol(phydev, &wol);
if (wol.wolopts || (netdev && netdev->wol_enabled))
return -EBUSY;
- if (phydev->drv && phydrv->suspend)
- ret = phydrv->suspend(phydev);
-
- if (ret)
- return ret;
+ if (!phydrv || !phydrv->suspend)
+ return 0;
- phydev->suspended = true;
+ ret = phydrv->suspend(phydev);
+ if (!ret)
+ phydev->suspended = true;
return ret;
}
int __phy_resume(struct phy_device *phydev)
{
- struct phy_driver *phydrv = to_phy_driver(phydev->mdio.dev.driver);
- int ret = 0;
+ struct phy_driver *phydrv = phydev->drv;
+ int ret;
WARN_ON(!mutex_is_locked(&phydev->lock));
- if (phydev->drv && phydrv->resume)
- ret = phydrv->resume(phydev);
-
- if (ret)
- return ret;
+ if (!phydrv || !phydrv->resume)
+ return 0;
- phydev->suspended = false;
+ ret = phydrv->resume(phydev);
+ if (!ret)
+ phydev->suspended = false;
return ret;
}