The assertion only allows values of 1 (no_delay_for_missed_ticks)
up to 3 (one_missed_tick_pending). It should be possible to
use the value of 0 (delay_for_missed_ticks) for the timer configuration
option.
Acked-by: Ian Campbell <ian.cambell@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>