1 files changed, 24 insertions, 0 deletions

diff --git a/fs/proc/proc_devtree.c b/fs/proc/proc_devtree.c
index fb117b74809e..9bdd077d6f55 100644
--- a/fs/proc/proc_devtree.c
+++ b/fs/proc/proc_devtree.c
@@ -81,6 +81,30 @@ void proc_device_tree_add_prop(struct proc_dir_entry *pde, struct property *prop
         __proc_device_tree_add_prop(pde, prop);
 }
 
+void proc_device_tree_remove_prop(struct proc_dir_entry *pde,
+                                  struct property *prop)
+{
+        remove_proc_entry(prop->name, pde);
+}
+
+void proc_device_tree_update_prop(struct proc_dir_entry *pde,
+                                  struct property *newprop,
+                                  struct property *oldprop)
+{
+        struct proc_dir_entry *ent;
+
+        for (ent = pde->subdir; ent != NULL; ent = ent->next)
+                if (ent->data == oldprop)
+                        break;
+        if (ent == NULL) {
+                printk(KERN_WARNING "device-tree: property \"%s\" "
+                       " does not exist\n", oldprop->name);
+        } else {
+                ent->data = newprop;
+                ent->size = newprop->length;
+        }
+}
+
 /*
  * Process a node, adding entries for its children and its properties.
  */