He must be available and contributing if he is staying.
Clearly, with the type of player he is, and his injury record, it would have to be sparingly, but we have to get value from him one way or another.
I really hope he goes now at this point though, its obvious both sides want that, and we can fill his spot in the squad at least rather than replace him.
I assume he is a very wealthy individual, so what level of wage cut he would be prepared to take is the question.
If he was that bothered, he could take a leaf from Willian's book, as could several other players here.