644 	spin_lock_init(&stm->link_lock);  in stm_register_device()
674 	spin_lock(&stm->link_lock);  in stm_unregister_device()
678 	spin_unlock(&stm->link_lock);  in stm_unregister_device()
713 	spin_lock(&stm->link_lock);  in stm_source_link_add()
714 	spin_lock(&src->link_lock);  in stm_source_link_add()
720 	spin_unlock(&src->link_lock);  in stm_source_link_add()
721 	spin_unlock(&stm->link_lock);  in stm_source_link_add()
759 	spin_lock(&stm->link_lock);  in stm_source_link_add()
760 	spin_lock(&src->link_lock);  in stm_source_link_add()
765 	spin_unlock(&src->link_lock);  in stm_source_link_add()
766 	spin_unlock(&stm->link_lock);  in stm_source_link_add()
786 	spin_lock(&src->link_lock);  in __stm_source_link_drop()
789 		spin_unlock(&src->link_lock);  in __stm_source_link_drop()
800 	spin_unlock(&src->link_lock);  in __stm_source_link_drop()
825 		spin_lock(&stm->link_lock);  in stm_source_link_drop()
827 		spin_unlock(&stm->link_lock);  in stm_source_link_drop()
928 	spin_lock_init(&src->link_lock);  in stm_source_register_device()