I'm not holding out much hope for him turning back to how he was. Odds are, by the time DC gets sick of trying to push him as the new Superman, he'll have spent more time as an adult that he had as a child and they'll just leave him as he is, but either back as a supporting character or just gone to be with the Legion permanently. Either way, our boy ain't coming back.
Moment of silence for Jonathan Samuel Kent. And a big middle finger to his doppelganger.