"He should have done it on the day (it happened), but he's done it now.
"I think justice has been served on it. It's been done and we move on."
Johnson received a blow to the throat during the game at Selhurst Park and after having trouble breathing was admitted to hospital, although he was released 48 hours later.
There was controversy afterwards when Palace manager Neil Warnock defended Davis.
Davis appeared before a Football Association regulatory commission and denied the charge of using an elbow, but was found guilty.
Bookmark with:
What are these?