USB: add usb debugfs directory

Add a common usb directory in debugfs that the usb subsystem can use.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/usb.h b/include/linux/usb.h
index 3aa2cd1f8d08..29060dad81e6 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1558,6 +1558,9 @@ extern void usb_unregister_notify(struct notifier_block *nb);
 #define err(format, arg...) printk(KERN_ERR KBUILD_MODNAME ": " \
         format "\n" , ## arg)
 
+/* debugfs stuff */
+extern struct dentry *usb_debug_root;
+
 #endif  /* __KERNEL__ */
 
 #endif