[PATCH 22/24] usb: host: xhci: Document xhci_get_endpoint_index()'s 'desc' param

[Lee Jones]

Fixes the following W=1 kernel build warning(s):

 drivers/usb/host/xhci.c:1424: warning: Function parameter or member 'desc' not described in 'xhci_get_endpoint_index'

Cc: Mathias Nyman <mathias.nyman@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: linux-usb@xxxxxxxxxxxxxxx
Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
---
 drivers/usb/host/xhci.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 40ce4b4eb12ad..094b2bf1e2657 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -1415,6 +1415,8 @@ static void xhci_unmap_urb_for_dma(struct usb_hcd *hcd, struct urb *urb)
  * HCDs.  Find the index for an endpoint given its descriptor.  Use the return
  * value to right shift 1 for the bitmask.
  *
+ * @desc: USB endpoint descriptor
+ *
  * Index  = (epnum * 2) + direction - 1,
  * where direction = 0 for OUT, 1 for IN.
  * For control endpoints, the IN index is used (OUT index is unused), so
-- 
2.31.1