125 pub enum DeviceError {  enum
134 impl Into<SystemError> for DeviceError {  implementation
137             DeviceError::DriverExists => SystemError::EEXIST,  in into()
138             DeviceError::DeviceExists => SystemError::EEXIST,  in into()
139             DeviceError::InitializeFailed => SystemError::EIO,  in into()
140             DeviceError::NoDeviceForDriver => SystemError::ENODEV,  in into()
141             DeviceError::NoDriverForDevice => SystemError::ENODEV,  in into()
142             DeviceError::RegisterError => SystemError::EIO,  in into()
270 pub fn device_register<T: Device>(device: Arc<T>) -> Result<(), DeviceError> {  in device_register()  argument
277         Err(_) => Err(DeviceError::RegisterError),  in device_register()
284 pub fn device_unregister<T: Device>(device: Arc<T>) -> Result<(), DeviceError> {  in device_unregister()  argument
291         Err(_) => Err(DeviceError::RegisterError),  in device_unregister()