2 files changed, 30 insertions, 0 deletions

diff --git a/drivers/base/core.c b/drivers/base/core.c
index 1d3d3582fcca..bc9f35c81691 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -319,6 +319,32 @@ void device_remove_file(struct device * dev, struct device_attribute * attr)
         }
 }
 
+/**
+ * device_create_bin_file - create sysfs binary attribute file for device.
+ * @dev: device.
+ * @attr: device binary attribute descriptor.
+ */
+int device_create_bin_file(struct device *dev, struct bin_attribute *attr)
+{
+        int error = -EINVAL;
+        if (dev)
+                error = sysfs_create_bin_file(&dev->kobj, attr);
+        return error;
+}
+EXPORT_SYMBOL_GPL(device_create_bin_file);
+
+/**
+ * device_remove_bin_file - remove sysfs binary attribute file
+ * @dev: device.
+ * @attr: device binary attribute descriptor.
+ */
+void device_remove_bin_file(struct device *dev, struct bin_attribute *attr)
+{
+        if (dev)
+                sysfs_remove_bin_file(&dev->kobj, attr);
+}
+EXPORT_SYMBOL_GPL(device_remove_bin_file);
+
 static void klist_children_get(struct klist_node *n)
 {
         struct device *dev = container_of(n, struct device, knode_parent);
diff --git a/include/linux/device.h b/include/linux/device.h
index e0fae0e76fa9..7d447d7271c5 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -309,6 +309,10 @@ struct device_attribute dev_attr_##_name = __ATTR(_name,_mode,_show,_store)
 
 extern int device_create_file(struct device *device, struct device_attribute * entry);
 extern void device_remove_file(struct device * dev, struct device_attribute * attr);
+extern int __must_check device_create_bin_file(struct device *dev,
+                                               struct bin_attribute *attr);
+extern void device_remove_bin_file(struct device *dev,
+                                   struct bin_attribute *attr);
 struct device {
         struct klist            klist_children;
         struct klist_node       knode_parent;           /* node in sibling list */