Function _pm_device_suspend

components/drivers/pm/pm.c:111–131

* This function will suspend all registered devices */

 * This function will suspend all registered devices
 */
static rt_err_t _pm_device_suspend(rt_uint8_t mode)
{
    rt_err_t ret = RT_EOK;
    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 != RT_NULL && device_pm->ops->suspend != RT_NULL)
        {
            ret = device_pm->ops->suspend(device_pm->device, mode);
            if(ret != RT_EOK)
            {
                break;
            }
        }
    }

    return ret;
}

/**
 * This function will resume all registered devices