1 files changed, 14 insertions, 4 deletions

diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 9f65758311a4..2f66050d073b 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -64,10 +64,18 @@ do {							\
  *              a new subdirectory with this name.
  * @is_visible: Optional: Function to return permissions associated with an
  *              attribute of the group. Will be called repeatedly for each
- *              attribute in the group. Only read/write permissions as well as
- *              SYSFS_PREALLOC are accepted. Must return 0 if an attribute is
- *              not visible. The returned value will replace static permissions
- *              defined in struct attribute or struct bin_attribute.
+ *              non-binary attribute in the group. Only read/write
+ *              permissions as well as SYSFS_PREALLOC are accepted. Must
+ *              return 0 if an attribute is not visible. The returned value
+ *              will replace static permissions defined in struct attribute.
+ * @is_bin_visible:
+ *              Optional: Function to return permissions associated with a
+ *              binary attribute of the group. Will be called repeatedly
+ *              for each binary attribute in the group. Only read/write
+ *              permissions as well as SYSFS_PREALLOC are accepted. Must
+ *              return 0 if a binary attribute is not visible. The returned
+ *              value will replace static permissions defined in
+ *              struct bin_attribute.
  * @attrs:      Pointer to NULL terminated list of attributes.
  * @bin_attrs:  Pointer to NULL terminated list of binary attributes.
  *              Either attrs or bin_attrs or both must be provided.
@@ -76,6 +84,8 @@ struct attribute_group {
         const char              *name;
         umode_t                 (*is_visible)(struct kobject *,
                                               struct attribute *, int);
+        umode_t                 (*is_bin_visible)(struct kobject *,
+                                                  struct bin_attribute *, int);
         struct attribute        **attrs;
         struct bin_attribute    **bin_attrs;
 };