1 files changed, 29 insertions, 8 deletions

diff --git a/include/linux/device.h b/include/linux/device.h
index bcf8c0d4cd98..22b546a58591 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -47,7 +47,11 @@ struct bus_attribute {
 };
 
 #define BUS_ATTR(_name, _mode, _show, _store)   \
-struct bus_attribute bus_attr_##_name = __ATTR(_name, _mode, _show, _store)
+        struct bus_attribute bus_attr_##_name = __ATTR(_name, _mode, _show, _store)
+#define BUS_ATTR_RW(_name) \
+        struct bus_attribute bus_attr_##_name = __ATTR_RW(_name)
+#define BUS_ATTR_RO(_name) \
+        struct bus_attribute bus_attr_##_name = __ATTR_RO(_name)
 
 extern int __must_check bus_create_file(struct bus_type *,
                                         struct bus_attribute *);
@@ -261,9 +265,12 @@ struct driver_attribute {
                          size_t count);
 };
 
-#define DRIVER_ATTR(_name, _mode, _show, _store)        \
-struct driver_attribute driver_attr_##_name =           \
-        __ATTR(_name, _mode, _show, _store)
+#define DRIVER_ATTR(_name, _mode, _show, _store) \
+        struct driver_attribute driver_attr_##_name = __ATTR(_name, _mode, _show, _store)
+#define DRIVER_ATTR_RW(_name) \
+        struct driver_attribute driver_attr_##_name = __ATTR_RW(_name)
+#define DRIVER_ATTR_RO(_name) \
+        struct driver_attribute driver_attr_##_name = __ATTR_RO(_name)
 
 extern int __must_check driver_create_file(struct device_driver *driver,
                                         const struct driver_attribute *attr);
@@ -313,6 +320,7 @@ int subsys_virtual_register(struct bus_type *subsys,
  * @name:       Name of the class.
  * @owner:      The module owner.
  * @class_attrs: Default attributes of this class.
+ * @dev_groups: Default attributes of the devices that belong to the class.
  * @dev_attrs:  Default attributes of the devices belong to the class.
  * @dev_bin_attrs: Default binary attributes of the devices belong to the class.
  * @dev_kobj:   The kobject that represents this class and links it into the hierarchy.
@@ -342,7 +350,8 @@ struct class {
         struct module           *owner;
 
         struct class_attribute          *class_attrs;
-        struct device_attribute         *dev_attrs;
+        struct device_attribute         *dev_attrs;     /* use dev_groups instead */
+        const struct attribute_group    **dev_groups;
         struct bin_attribute            *dev_bin_attrs;
         struct kobject                  *dev_kobj;
 
@@ -414,8 +423,12 @@ struct class_attribute {
                                  const struct class_attribute *attr);
 };
 
-#define CLASS_ATTR(_name, _mode, _show, _store)                 \
-struct class_attribute class_attr_##_name = __ATTR(_name, _mode, _show, _store)
+#define CLASS_ATTR(_name, _mode, _show, _store) \
+        struct class_attribute class_attr_##_name = __ATTR(_name, _mode, _show, _store)
+#define CLASS_ATTR_RW(_name) \
+        struct class_attribute class_attr_##_name = __ATTR_RW(_name)
+#define CLASS_ATTR_RO(_name) \
+        struct class_attribute class_attr_##_name = __ATTR_RO(_name)
 
 extern int __must_check class_create_file(struct class *class,
                                           const struct class_attribute *attr);
@@ -423,7 +436,6 @@ extern void class_remove_file(struct class *class,
                               const struct class_attribute *attr);
 
 /* Simple class attribute that is just a static string */
-
 struct class_attribute_string {
         struct class_attribute attr;
         char *str;
@@ -512,6 +524,10 @@ ssize_t device_store_bool(struct device *dev, struct device_attribute *attr,
 
 #define DEVICE_ATTR(_name, _mode, _show, _store) \
         struct device_attribute dev_attr_##_name = __ATTR(_name, _mode, _show, _store)
+#define DEVICE_ATTR_RW(_name) \
+        struct device_attribute dev_attr_##_name = __ATTR_RW(_name)
+#define DEVICE_ATTR_RO(_name) \
+        struct device_attribute dev_attr_##_name = __ATTR_RO(_name)
 #define DEVICE_ULONG_ATTR(_name, _mode, _var) \
         struct dev_ext_attribute dev_attr_##_name = \
                 { __ATTR(_name, _mode, device_show_ulong, device_store_ulong), &(_var) }
@@ -924,6 +940,11 @@ extern __printf(5, 6)
 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);
 
 /*