struct device *device_create(struct class *cls, struct device *parent,
dev_t devt, void *drvdata,
const char *fmt, ...);
+extern __printf(6, 7)
+struct device *device_create_with_groups(struct class *cls,
+ struct device *parent, dev_t devt, void *drvdata,
+ const struct attribute_group **groups,
+ const char *fmt, ...);
extern void device_destroy(struct class *cls, dev_t devt);
/*