https://bugzilla.kernel.org/show_bug.cgi?id=65761
--- Comment #28 from Alex Deucher alexdeucher@gmail.com --- Created attachment 124051 --> https://bugzilla.kernel.org/attachment.cgi?id=124051&action=edit return IRQ_NONE if we don't have any interrupts
Does the attached patch help? Dave suggested it might be interrupts that causing the problem.