driver core: create a private portion of struct device

This is to be used to move things out of struct device that no code
outside of the driver core should ever touch.

Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/device.h b/include/linux/device.h
index 4e14fad4143..d6d34084fd3 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -28,6 +28,7 @@
 #define BUS_ID_SIZE             20
 
 struct device;
+struct device_private;
 struct device_driver;
 struct driver_private;
 struct class;
@@ -371,6 +372,8 @@ struct device {
         struct klist_node       knode_bus;
         struct device           *parent;
 
+        struct device_private   *p;
+
         struct kobject kobj;
         char    bus_id[BUS_ID_SIZE];    /* position on parent bus */
         unsigned                uevent_suppress:1;