The 28-year-old midfielder joined from Wolves on a four-year deal last Saturday and his permit was granted on Friday morning.
Stoke manager Tony Pulis has given Olofinjana time to recuperate following his international commitments with Nigeria over the summer and is unlikely to play the Nigerian in the friendly against Shrewsbury on Saturday.
Copyright (c) PA Sport 2008, All Rights Reserved.
Do YOU want to write for GiveMeSport? Get started today by signing-up and submitting an article HERE: http://gms.to/writeforgms