Prepraing for changing to use mutex lock.
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
                 * FDs at the time of unregister and therefore may not be
                 * freed until they are released.
                 */
-               ret = request_irq(info->irq, uio_interrupt,
-                                 info->irq_flags, info->name, idev);
+               ret = request_threaded_irq(info->irq, NULL, uio_interrupt,
+                                          info->irq_flags, info->name, idev);
+
                if (ret)
                        goto err_request_irq;
        }