diff --git a/libc/kernel/common/linux/device.h b/libc/kernel/common/linux/device.h
index 6419322..025b88e 100644
--- a/libc/kernel/common/linux/device.h
+++ b/libc/kernel/common/linux/device.h
@@ -7,216 +7,218 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _DEVICE_H_
 #define _DEVICE_H_
-
 #include <linux/ioport.h>
 #include <linux/kobject.h>
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <linux/klist.h>
 #include <linux/list.h>
 #include <linux/types.h>
 #include <linux/module.h>
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <linux/pm.h>
 #include <asm/semaphore.h>
 #include <asm/atomic.h>
-
 #define DEVICE_NAME_SIZE 50
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define DEVICE_NAME_HALF __stringify(20)  
 #define DEVICE_ID_SIZE 32
 #define BUS_ID_SIZE KOBJ_NAME_LEN
-
 struct device;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct device_driver;
 struct class;
 struct class_device;
-
 struct bus_type {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  const char * name;
-
  struct subsystem subsys;
  struct kset drivers;
  struct kset devices;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct klist klist_devices;
  struct klist klist_drivers;
-
  struct bus_attribute * bus_attrs;
  struct device_attribute * dev_attrs;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct driver_attribute * drv_attrs;
-
  int (*match)(struct device * dev, struct device_driver * drv);
  int (*uevent)(struct device *dev, char **envp,
  int num_envp, char *buffer, int buffer_size);
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int (*probe)(struct device * dev);
  int (*remove)(struct device * dev);
  void (*shutdown)(struct device * dev);
  int (*suspend)(struct device * dev, pm_message_t state);
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int (*resume)(struct device * dev);
 };
-
 struct device * bus_find_device(struct bus_type *bus, struct device *start,
  void *data, int (*match)(struct device *, void *));
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct bus_attribute {
  struct attribute attr;
  ssize_t (*show)(struct bus_type *, char * buf);
  ssize_t (*store)(struct bus_type *, const char * buf, size_t count);
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
-
 #define BUS_ATTR(_name,_mode,_show,_store)  struct bus_attribute bus_attr_##_name = __ATTR(_name,_mode,_show,_store)
-
 struct device_driver {
  const char * name;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct bus_type * bus;
-
  struct completion unloaded;
  struct kobject kobj;
  struct klist klist_devices;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct klist_node knode_bus;
-
  struct module * owner;
-
  int (*probe) (struct device * dev);
  int (*remove) (struct device * dev);
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  void (*shutdown) (struct device * dev);
  int (*suspend) (struct device * dev, pm_message_t state);
  int (*resume) (struct device * dev);
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct driver_attribute {
  struct attribute attr;
  ssize_t (*show)(struct device_driver *, char * buf);
  ssize_t (*store)(struct device_driver *, const char * buf, size_t count);
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
-
 #define DRIVER_ATTR(_name,_mode,_show,_store)  struct driver_attribute driver_attr_##_name = __ATTR(_name,_mode,_show,_store)
-
 struct device * driver_find_device(struct device_driver *drv,
  struct device *start, void *data,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int (*match)(struct device *, void *));
-
 struct class {
  const char * name;
  struct module * owner;
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct subsystem subsys;
  struct list_head children;
  struct list_head devices;
  struct list_head interfaces;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct semaphore sem;
-
  struct class_attribute * class_attrs;
  struct class_device_attribute * class_dev_attrs;
-
  int (*uevent)(struct class_device *dev, char **envp,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int num_envp, char *buffer, int buffer_size);
-
  void (*release)(struct class_device *dev);
  void (*class_release)(struct class *class);
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct class_attribute {
  struct attribute attr;
  ssize_t (*show)(struct class *, char * buf);
  ssize_t (*store)(struct class *, const char * buf, size_t count);
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
-
 #define CLASS_ATTR(_name,_mode,_show,_store)  struct class_attribute class_attr_##_name = __ATTR(_name,_mode,_show,_store) 
-
 struct class_device_attribute {
  struct attribute attr;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  ssize_t (*show)(struct class_device *, char * buf);
  ssize_t (*store)(struct class_device *, const char * buf, size_t count);
 };
-
 #define CLASS_DEVICE_ATTR(_name,_mode,_show,_store)  struct class_device_attribute class_device_attr_##_name =   __ATTR(_name,_mode,_show,_store)
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct class_device {
  struct list_head node;
-
  struct kobject kobj;
  struct class * class;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  dev_t devt;
  struct class_device_attribute *devt_attr;
  struct class_device_attribute uevent_attr;
  struct device * dev;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  void * class_data;
  struct class_device *parent;
  struct attribute_group ** groups;
-
  void (*release)(struct class_device *dev);
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int (*uevent)(struct class_device *dev, char **envp,
  int num_envp, char *buffer, int buffer_size);
  char class_id[BUS_ID_SIZE];
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct class_interface {
  struct list_head node;
  struct class *class;
-
  int (*add) (struct class_device *, struct class_interface *);
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  void (*remove) (struct class_device *, struct class_interface *);
 };
-
 struct device_attribute {
  struct attribute attr;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  ssize_t (*show)(struct device *dev, struct device_attribute *attr,
  char *buf);
  ssize_t (*store)(struct device *dev, struct device_attribute *attr,
  const char *buf, size_t count);
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
-
 #define DEVICE_ATTR(_name,_mode,_show,_store)  struct device_attribute dev_attr_##_name = __ATTR(_name,_mode,_show,_store)
-
 struct device {
  struct klist klist_children;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct klist_node knode_parent;
  struct klist_node knode_driver;
  struct klist_node knode_bus;
  struct device * parent;
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct kobject kobj;
  char bus_id[BUS_ID_SIZE];
  struct device_attribute uevent_attr;
  struct device_attribute *devt_attr;
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct semaphore sem;
-
  struct bus_type * bus;
  struct device_driver *driver;
  void *driver_data;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  void *platform_data;
  void *firmware_data;
  struct dev_pm_info power;
-
  u64 *dma_mask;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  u64 coherent_dma_mask;
-
  struct list_head dma_pools;
-
  struct dma_coherent_mem *dma_mem;
-
  struct list_head node;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct class *class;
  dev_t devt;
-
  void (*release)(struct device * dev);
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define dev_printk(level, dev, format, arg...)   printk(level "%s %s: " format , dev_driver_string(dev) , (dev)->bus_id , ## arg)
-
 #ifdef DEBUG
 #define dev_dbg(dev, format, arg...)   dev_printk(KERN_DEBUG , dev , format , ## arg)
 #else
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define dev_dbg(dev, format, arg...) do { (void)(dev); } while (0)
 #endif
-
 #define dev_err(dev, format, arg...)   dev_printk(KERN_ERR , dev , format , ## arg)
 #define dev_info(dev, format, arg...)   dev_printk(KERN_INFO , dev , format , ## arg)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define dev_warn(dev, format, arg...)   dev_printk(KERN_WARNING , dev , format , ## arg)
 #define dev_notice(dev, format, arg...)   dev_printk(KERN_NOTICE , dev , format , ## arg)
-
 #define MODULE_ALIAS_CHARDEV(major,minor)   MODULE_ALIAS("char-major-" __stringify(major) "-" __stringify(minor))
 #define MODULE_ALIAS_CHARDEV_MAJOR(major)   MODULE_ALIAS("char-major-" __stringify(major) "-*")
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif