-extern struct candevice_t* register_hotplug_dev(const char *hwname,void *devdata,void (*chipdataregfnc)(struct canchip_t *chip,void *data));
+extern struct candevice_t* register_hotplug_dev(const char *hwname,int (*chipdataregfnc)(struct canchip_t *chip,void *data),void *devdata);