commitd0a67c372dupstream. We should change this post-op to a pre-op because we want the loop to exit with "timeout" set to zero. Fixes:0a89b55364("nuc900/rtc: change the waiting for device ready implement") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Ben Hutchings <ben@decadent.org.uk>