net: phy: call state machine synchronously in phy_stop

phy_stop() may be called e.g. when suspending, therefore all needed
actions should be performed synchronously. Therefore add a synchronous
call to the state machine.

Signed-off-by: Heiner Kallweit <[email protected]>
Tested-by: Geert Uytterhoeven <[email protected]>
Reviewed-by: Florian Fainelli <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

drivers/net/phy/phy.c

@@ -861,6 +861,8 @@ void phy_stop(struct phy_device *phydev)
 out_unlock:
 	mutex_unlock(&phydev->lock);
 
+	phy_state_machine(&phydev->state_queue.work);
+
 	/* Cannot call flush_scheduled_work() here as desired because
 	 * of rtnl_lock(), but PHY_HALTED shall guarantee phy_change()
 	 * will not reenable interrupts.