36     bus: SpinLock<Option<Weak<dyn Bus>>>,
38     class: SpinLock<Option<Weak<dyn Class>>>,
41     devices: RwLock<Vec<Arc<dyn Device>>>,
43     drivers: RwLock<Vec<Arc<dyn Driver>>>,
44     interfaces: &'static [&'static dyn SubSysInterface],
45     bus_notifier: AtomicNotifierChain<BusNotifyEvent, Arc<dyn Device>>,
68         bus: Option<Weak<dyn Bus>>,  in new()
69         class: Option<Weak<dyn Class>>,  in new()
70         interfaces: &'static [&'static dyn SubSysInterface],  in new()
96     pub fn bus(&self) -> Option<Weak<dyn Bus>> {  in bus()
100     pub fn set_bus(&self, bus: Option<Weak<dyn Bus>>) {  in set_bus()
106     pub fn class(&self) -> Option<Weak<dyn Class>> {  in class()
116     pub fn set_class(&self, class: Option<Weak<dyn Class>>) {  in set_class()
120     pub fn devices(&self) -> RwLockReadGuard<Vec<Arc<dyn Device>>> {  in devices()
124     pub fn drivers(&self) -> RwLockReadGuard<Vec<Arc<dyn Driver>>> {  in drivers()
159     pub fn bus_notifier(&self) -> &AtomicNotifierChain<BusNotifyEvent, Arc<dyn Device>> {  in bus_notifier()
163     pub fn interfaces(&self) -> &'static [&'static dyn SubSysInterface] {  in interfaces()
167     pub fn add_driver_to_vec(&self, driver: &Arc<dyn Driver>) -> Result<(), SystemError> {  in add_driver_to_vec()
176     pub fn remove_driver_from_vec(&self, driver: &Arc<dyn Driver>) {  in remove_driver_from_vec()
184     pub fn add_device_to_vec(&self, device: &Arc<dyn Device>) -> Result<(), SystemError> {  in add_device_to_vec()
194     pub fn remove_device_from_vec(&self, device: &Arc<dyn Device>) {  in remove_device_from_vec()
206     fn bus(&self) -> Option<Weak<dyn Bus>>;  in bus()
207     fn set_bus(&self, bus: Option<Weak<dyn Bus>>);  in set_bus()
208     fn add_device(&self, _device: &Arc<dyn Device>) -> Result<(), SystemError> {  in add_device()
211     fn remove_device(&self, device: &Arc<dyn Device>);  in remove_device()