diff --git a/Documentation/filesystems/sysfs.rst b/Documentation/filesystems/sysfs.rst
index ab0f7795792b5bcd647f60905cbf1020e246e3a7..5a3209a4cebf1c9e3442aa186fa325ef2ee9ec10 100644
--- a/Documentation/filesystems/sysfs.rst
+++ b/Documentation/filesystems/sysfs.rst
@@ -172,14 +172,13 @@ calls the associated methods.
 
 To illustrate::
 
-    #define to_dev(obj) container_of(obj, struct device, kobj)
     #define to_dev_attr(_attr) container_of(_attr, struct device_attribute, attr)
 
     static ssize_t dev_attr_show(struct kobject *kobj, struct attribute *attr,
 				char *buf)
     {
 	    struct device_attribute *dev_attr = to_dev_attr(attr);
-	    struct device *dev = to_dev(kobj);
+	    struct device *dev = kobj_to_dev(kobj);
 	    ssize_t ret = -EIO;
 
 	    if (dev_attr->show)
diff --git a/Documentation/translations/zh_CN/filesystems/sysfs.txt b/Documentation/translations/zh_CN/filesystems/sysfs.txt
index 9481e3ed2a06a59ddd4ed8b9857cf1870e29ada1..046cc1d52058defb8c1c00e181f225aa268742fd 100644
--- a/Documentation/translations/zh_CN/filesystems/sysfs.txt
+++ b/Documentation/translations/zh_CN/filesystems/sysfs.txt
@@ -154,14 +154,13 @@ sysfs 会为这个类型调用适当的方法。当一个文件被读写时，
 
 示例:
 
-#define to_dev(obj) container_of(obj, struct device, kobj)
 #define to_dev_attr(_attr) container_of(_attr, struct device_attribute, attr)
 
 static ssize_t dev_attr_show(struct kobject *kobj, struct attribute *attr,
                              char *buf)
 {
         struct device_attribute *dev_attr = to_dev_attr(attr);
-        struct device *dev = to_dev(kobj);
+        struct device *dev = kobj_to_dev(kobj);
         ssize_t ret = -EIO;
 
         if (dev_attr->show)