249 static pm_callback_t pm_op(const struct dev_pm_ops *ops, pm_message_t state)  in pm_op()  function
764 		callback = pm_op(&dev->pm_domain->ops, state);  in device_resume()
770 		callback = pm_op(dev->type->pm, state);  in device_resume()
777 			callback = pm_op(dev->class->pm, state);  in device_resume()
789 			callback = pm_op(dev->bus->pm, state);  in device_resume()
800 		callback = pm_op(dev->driver->pm, state);  in device_resume()
1391 		callback = pm_op(&dev->pm_domain->ops, state);  in __device_suspend()
1397 		callback = pm_op(dev->type->pm, state);  in __device_suspend()
1404 			callback = pm_op(dev->class->pm, state);  in __device_suspend()
1417 			callback = pm_op(dev->bus->pm, state);  in __device_suspend()
1429 		callback = pm_op(dev->driver->pm, state);  in __device_suspend()