static int find_deepest_state()

in cpuidle.c [77:100]

• 21 lines of code
• 8 McCabe index (conditional complexity)

static int find_deepest_state(struct cpuidle_driver *drv,
			      struct cpuidle_device *dev,
			      u64 max_latency_ns,
			      unsigned int forbidden_flags,
			      bool s2idle)
{
	u64 latency_req = 0;
	int i, ret = 0;

	for (i = 1; i < drv->state_count; i++) {
		struct cpuidle_state *s = &drv->states[i];

		if (dev->states_usage[i].disable ||
		    s->exit_latency_ns <= latency_req ||
		    s->exit_latency_ns > max_latency_ns ||
		    (s->flags & forbidden_flags) ||
		    (s2idle && !s->enter_s2idle))
			continue;

		latency_req = s->exit_latency_ns;
		ret = i;
	}
	return ret;
}