X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fserio.h;h=41bdd5dedf390fe604becf44961bc15434e3d306;hb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;hp=6348e8330897c3393a88e937ef7ae167c767faca;hpb=4e76c8a9fa413ccc09d3f7f664183dcce3555d57;p=linux-2.6.git

diff --git a/include/linux/serio.h b/include/linux/serio.h
index 6348e8330..41bdd5ded 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 */