r8169: use mac-managed PHY PM

Use the new mac_managed_pm flag to indicate that the driver takes care
of PHY power management.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/realtek/r8169_main.c

@@ -4660,6 +4660,7 @@ static void rtl8169_down(struct rtl8169_private *tp)
 static void rtl8169_up(struct rtl8169_private *tp)
 {
 	pci_set_master(tp->pci_dev);
+	phy_init_hw(tp->phydev);
 	phy_resume(tp->phydev);
 	rtl8169_init_phy(tp);
 	napi_enable(&tp->napi);
@@ -5085,6 +5086,8 @@ static int r8169_mdio_register(struct rtl8169_private *tp)
 		return -EUNATCH;
 	}
 
+	tp->phydev->mac_managed_pm = 1;
+
 	/* PHY will be woken up in rtl_open() */
 	phy_suspend(tp->phydev);