-static struct timer_list bulk_start_timer = TIMER_INITIALIZER(NULL, 0, 0);
-static struct timer_list bulk_eot_timer = TIMER_INITIALIZER(NULL, 0, 0);
+static DEFINE_TIMER(bulk_start_timer, NULL, 0, 0);
+static DEFINE_TIMER(bulk_eot_timer, NULL, 0, 0);