"We have agreed provisionally with Patrick to extend his loan deal. Patrick wants to stay here. I know he has enjoyed it here and it has been good for him and for us," first-team coach Steve Holland told the club's official website.
"He is set to discuss his future at Everton with David (Moyes) and the long-term implications there and until that conversation takes place then we will have to wait. I'm hopeful it will be concluded but it is not a foregone conclusion.
"Patrick has been steady for us and has settled in well. It is always nice to have a left-sided player in the team and we hope that he can stay until the end of the season."