sysfs_remove_file(&class_dev->kobj, &attr->attr);
 }
 
+int class_device_create_bin_file(struct class_device *class_dev,
+                                struct bin_attribute *attr)
+{
+       int error = -EINVAL;
+       if (class_dev)
+               error = sysfs_create_bin_file(&class_dev->kobj, attr);
+       return error;
+}
+
+void class_device_remove_bin_file(struct class_device *class_dev,
+                                 struct bin_attribute *attr)
+{
+       if (class_dev)
+               sysfs_remove_bin_file(&class_dev->kobj, attr);
+}
+
 static ssize_t
 class_device_attr_show(struct kobject * kobj, struct attribute * attr,
                       char * buf)
 EXPORT_SYMBOL_GPL(class_device_destroy);
 EXPORT_SYMBOL_GPL(class_device_create_file);
 EXPORT_SYMBOL_GPL(class_device_remove_file);
+EXPORT_SYMBOL_GPL(class_device_create_bin_file);
+EXPORT_SYMBOL_GPL(class_device_remove_bin_file);
 
 EXPORT_SYMBOL_GPL(class_interface_register);
 EXPORT_SYMBOL_GPL(class_interface_unregister);
 
 
 extern void class_device_remove_file(struct class_device *, 
                                     const struct class_device_attribute *);
+extern int __must_check class_device_create_bin_file(struct class_device *,
+                                       struct bin_attribute *);
+extern void class_device_remove_bin_file(struct class_device *,
+                                        struct bin_attribute *);
 
 struct class_interface {
        struct list_head        node;