Input: serio - add lockdep annotations

Signed-off-by: Jiri Kosina <jikos@jikos.cz>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/serio.h b/include/linux/serio.h
index 3a697cc6ecae..b99c5ca9708d 100644
--- a/include/linux/serio.h
+++ b/include/linux/serio.h
@@ -41,6 +41,7 @@ struct serio {
         void (*stop)(struct serio *);
 
         struct serio *parent, *child;
+        unsigned int depth;             /* level of nesting in serio hierarchy */
 
         struct serio_driver *drv;       /* accessed from interrupt, must be protected by serio->lock and serio->sem */
         struct mutex drv_mutex;         /* protects serio->drv so attributes can pin driver */