of_device_register
if (of_device_register(op)) {
if (of_device_register(op)) {
if (of_device_register(&dev->ofdev) != 0) {
ret = of_device_register(&port->ofdev);
EXPORT_SYMBOL(of_device_register);
extern int of_device_register(struct platform_device *ofdev);
return of_device_register(&dev->ofdev);