net: phy: stop PHY if needed when entering phy_disconnect

Stop PHY if needed when entering phy_disconnect. This allows drivers
that don't need a separate call to phy_stop() to omit this call.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/phy/phy_device.c

@@ -999,6 +999,9 @@ EXPORT_SYMBOL(phy_connect);
  */
 void phy_disconnect(struct phy_device *phydev)
 {
+	if (phy_is_started(phydev))
+		phy_stop(phydev);
+
 	if (phydev->irq > 0)
 		phy_stop_interrupts(phydev);