usb: xhci: Remove ep_trb from finish_td()

Function argument ep_trb for finish_td() isn't needed anymore.
Cleanup it.

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 642a070..88071c4 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1921,7 +1921,7 @@ static int xhci_td_cleanup(struct xhci_hcd *xhci, struct xhci_td *td,
 }
 
 static int finish_td(struct xhci_hcd *xhci, struct xhci_td *td,
-	union xhci_trb *ep_trb, struct xhci_transfer_event *event,
+	struct xhci_transfer_event *event,
 	struct xhci_virt_ep *ep, int *status)
 {
 	struct xhci_virt_device *xdev;
@@ -2081,7 +2081,7 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td,
 		td->urb->actual_length = requested;
 
 finish_td:
-	return finish_td(xhci, td, ep_trb, event, ep, status);
+	return finish_td(xhci, td, event, ep, status);
 }
 
 /*
@@ -2168,7 +2168,7 @@ static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td,
 
 	td->urb->actual_length += frame->actual_length;
 
-	return finish_td(xhci, td, ep_trb, event, ep, status);
+	return finish_td(xhci, td, event, ep, status);
 }
 
 static int skip_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td,
@@ -2258,7 +2258,7 @@ static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td,
 			  remaining);
 		td->urb->actual_length = 0;
 	}
-	return finish_td(xhci, td, ep_trb, event, ep, status);
+	return finish_td(xhci, td, event, ep, status);
 }
 
 /*