driver core: move klist_children into private structure
[safe/jmp/linux-2.6] / drivers / base / core.c
index 6657787..180ff84 100644 (file)
@@ -509,14 +509,16 @@ EXPORT_SYMBOL_GPL(device_schedule_callback_owner);
 
 static void klist_children_get(struct klist_node *n)
 {
-       struct device *dev = container_of(n, struct device, knode_parent);
+       struct device_private *p = to_device_private_parent(n);
+       struct device *dev = p->device;
 
        get_device(dev);
 }
 
 static void klist_children_put(struct klist_node *n)
 {
-       struct device *dev = container_of(n, struct device, knode_parent);
+       struct device_private *p = to_device_private_parent(n);
+       struct device *dev = p->device;
 
        put_device(dev);
 }
@@ -546,7 +548,7 @@ void device_initialize(struct device *dev)
        dev->p->device = dev;
        dev->kobj.kset = devices_kset;
        kobject_init(&dev->kobj, &device_ktype);
-       klist_init(&dev->klist_children, klist_children_get,
+       klist_init(&dev->p->klist_children, klist_children_get,
                   klist_children_put);
        INIT_LIST_HEAD(&dev->dma_pools);
        init_MUTEX(&dev->sem);
@@ -927,7 +929,8 @@ int device_add(struct device *dev)
        kobject_uevent(&dev->kobj, KOBJ_ADD);
        bus_attach_device(dev);
        if (parent)
-               klist_add_tail(&dev->knode_parent, &parent->klist_children);
+               klist_add_tail(&dev->p->knode_parent,
+                              &parent->p->klist_children);
 
        if (dev->class) {
                mutex_lock(&dev->class->p->class_mutex);
@@ -1038,7 +1041,7 @@ void device_del(struct device *dev)
        device_pm_remove(dev);
        dpm_sysfs_remove(dev);
        if (parent)
-               klist_del(&dev->knode_parent);
+               klist_del(&dev->p->knode_parent);
        if (MAJOR(dev->devt)) {
                device_remove_sys_dev_entry(dev);
                device_remove_file(dev, &devt_attr);
@@ -1102,7 +1105,14 @@ void device_unregister(struct device *dev)
 static struct device *next_device(struct klist_iter *i)
 {
        struct klist_node *n = klist_next(i);
-       return n ? container_of(n, struct device, knode_parent) : NULL;
+       struct device *dev = NULL;
+       struct device_private *p;
+
+       if (n) {
+               p = to_device_private_parent(n);
+               dev = p->device;
+       }
+       return dev;
 }
 
 /**
@@ -1124,7 +1134,7 @@ int device_for_each_child(struct device *parent, void *data,
        struct device *child;
        int error = 0;
 
-       klist_iter_init(&parent->klist_children, &i);
+       klist_iter_init(&parent->p->klist_children, &i);
        while ((child = next_device(&i)) && !error)
                error = fn(child, data);
        klist_iter_exit(&i);
@@ -1155,7 +1165,7 @@ struct device *device_find_child(struct device *parent, void *data,
        if (!parent)
                return NULL;
 
-       klist_iter_init(&parent->klist_children, &i);
+       klist_iter_init(&parent->p->klist_children, &i);
        while ((child = next_device(&i)))
                if (match(child, data) && get_device(child))
                        break;
@@ -1478,9 +1488,10 @@ int device_move(struct device *dev, struct device *new_parent)
        old_parent = dev->parent;
        dev->parent = new_parent;
        if (old_parent)
-               klist_remove(&dev->knode_parent);
+               klist_remove(&dev->p->knode_parent);
        if (new_parent) {
-               klist_add_tail(&dev->knode_parent, &new_parent->klist_children);
+               klist_add_tail(&dev->p->knode_parent,
+                              &new_parent->p->klist_children);
                set_dev_node(dev, dev_to_node(new_parent));
        }
 
@@ -1492,11 +1503,11 @@ int device_move(struct device *dev, struct device *new_parent)
                device_move_class_links(dev, new_parent, old_parent);
                if (!kobject_move(&dev->kobj, &old_parent->kobj)) {
                        if (new_parent)
-                               klist_remove(&dev->knode_parent);
+                               klist_remove(&dev->p->knode_parent);
                        dev->parent = old_parent;
                        if (old_parent) {
-                               klist_add_tail(&dev->knode_parent,
-                                              &old_parent->klist_children);
+                               klist_add_tail(&dev->p->knode_parent,
+                                              &old_parent->p->klist_children);
                                set_dev_node(dev, dev_to_node(old_parent));
                        }
                }