Merge "msm: ssr: Remove entry from subsys list on unregistering"

void subsys_unregister(struct subsys_device *subsys)

{

	struct subsys_device *subsys_dev, *tmp;

	if (IS_ERR_OR_NULL(subsys))

		return;

	if (get_device(&subsys->dev)) {

		mutex_lock(&subsys_list_lock);

		list_for_each_entry_safe(subsys_dev, tmp, &subsys_list, list)

			if (subsys_dev == subsys)

				list_del(&subsys->list);

		mutex_unlock(&subsys_list_lock);

		mutex_lock(&subsys->track.lock);

		WARN_ON(subsys->count);

		device_unregister(&subsys->dev);