Input/Synaptics:
  1. Support for pass-through port moved from Synaptics driver to psmouse
     itself, it is cleaner and should allow using it in other drivers if
     needed.
  2. The driver makes use of new reconnect functionality in serio. It will
     try to keep the same input device after resume or when it resets itself.
  3. If mouse is disconnected or other mouse plugged in while sleeping the
     driver should correctly recognize that and create a new serio/input 
     device.