104     sys_info: Option<Arc<dyn IndexNode>>,  field
112             sys_info: None,  in default()
158     fn set_sys_info(&self, sys_info: Option<Arc<dyn IndexNode>>) {  in set_sys_info()
159         self.0.lock().sys_info = sys_info;  in set_sys_info()
162     fn sys_info(&self) -> Option<Arc<dyn IndexNode>> {  in sys_info()  method
163         self.0.lock().sys_info.clone()  in sys_info()
181     sys_info: Option<Arc<dyn IndexNode>>,  field
189             sys_info: None,  in default()
215     fn set_sys_info(&self, sys_info: Option<Arc<dyn IndexNode>>) {  in set_sys_info()
216         self.0.lock().sys_info = sys_info;  in set_sys_info()
219     fn sys_info(&self) -> Option<Arc<dyn IndexNode>> {  in sys_info()  method
220         return self.0.lock().sys_info.clone();  in sys_info()
241     pub fn new(port: UartPort, baud_rate: u32, sys_info: Option<Arc<dyn IndexNode>>) -> Self {  in new()
242         Self(SpinLock::new(UartDriver::new(port, baud_rate, sys_info)))  in new()
266     pub fn new(port: UartPort, baud_rate: u32, sys_info: Option<Arc<dyn IndexNode>>) -> Self {  in new()
270             sys_info,  in new()