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-rw-r--r--include/linux/usb.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/usb.h b/include/linux/usb.h
index fb1f2a32ae05..2b380a16c62f 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -362,6 +362,7 @@ struct usb_tt;
* struct usb_device - kernel's representation of a USB device
* @devnum: device number; address on a USB bus
* @devpath: device ID string for use in messages (e.g., /port/...)
+ * @route: tree topology hex string for use with xHCI
* @state: device state: configured, not attached, etc.
* @speed: device speed: high/full/low (or error)
* @tt: Transaction Translator info; used with low/full speed dev, highspeed hub
@@ -427,6 +428,7 @@ struct usb_tt;
struct usb_device {
int devnum;
char devpath [16];
+ u32 route;
enum usb_device_state state;
enum usb_device_speed speed;