Exemplo n.º 1
0
/**
 * cpuidle_register_governor - registers a governor
 * @gov: the governor
 */
int cpuidle_register_governor(struct cpuidle_governor *gov)
{
	int ret = -EEXIST;

	if (!gov || !gov->select)
		return -EINVAL;

	if (cpuidle_disabled())
		return -ENODEV;

	mutex_lock(&cpuidle_lock);
	if (__cpuidle_find_governor(gov->name) == NULL) {
		ret = 0;
		pax_list_add_tail((struct list_head *)&gov->governor_list, &cpuidle_governors);
		if (!cpuidle_curr_governor ||
		    cpuidle_curr_governor->rating < gov->rating)
			cpuidle_switch_governor(gov);
	}
	mutex_unlock(&cpuidle_lock);

	return ret;
}
Exemplo n.º 2
0
/**
 * register_syscore_ops - Register a set of system core operations.
 * @ops: System core operations to register.
 */
void register_syscore_ops(struct syscore_ops *ops)
{
	mutex_lock(&syscore_ops_lock);
	pax_list_add_tail((struct list_head *)&ops->node, &syscore_ops_list);
	mutex_unlock(&syscore_ops_lock);
}