timer to delay workqueue.
sTimerSecondCallback -> second_callback_work
The delayed work queue is declared in device.h
This timer is very heavy on the system.
Improves over performance of driver and reduce the atomic
area of driver.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>