Function _pm_device_frequency_change

components/drivers/pm/pm.c:154–167

* This function will update the frequency of all registered devices */

 * This function will update the frequency of all registered devices
 */
static void _pm_device_frequency_change(rt_uint8_t mode)
{
    struct rt_device_pm *device_pm = RT_NULL;
    rt_slist_t *node = RT_NULL;

    for (node = rt_slist_first(&_pm.device_list); node; node = rt_slist_next(node))
    {
        device_pm = rt_slist_entry(node, struct rt_device_pm, list);
        if (device_pm->ops->frequency_change != RT_NULL)
        {
            device_pm->ops->frequency_change(device_pm->device, mode);
        }
    }
}

/**
 * This function will update the system clock frequency when idle