[PATCH] powerpc: Add/remove/update properties in /proc/device-tree

[safe/jmp/linux-2.6] / fs / proc / proc_devtree.c

diff --git a/fs/proc/proc_devtree.c b/fs/proc/proc_devtree.c
index fb117b7..9bdd077 100644 (file)
--- 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.
  */