USB: xhci: Remove unused HCD statistics code.

CONFIG_USB_HCD_STAT was used in an abandoned patch to track host
controller throughput statistics.  Since CONFIG_USB_HCD_STAT will never be
defined, remove code that can never run.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 0 insertions, 7 deletions

diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 9541e88df68f..aaed076bae37 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -526,9 +526,6 @@ static void handle_stopped_endpoint(struct xhci_hcd *xhci,
         struct xhci_td *last_unlinked_td;
 
         struct xhci_dequeue_state deq_state;
-#ifdef CONFIG_USB_HCD_STAT
-        ktime_t stop_time = ktime_get();
-#endif
 
         memset(&deq_state, 0, sizeof(deq_state));
         slot_id = TRB_TO_SLOT_ID(trb->generic.field[3]);
@@ -593,10 +590,6 @@ static void handle_stopped_endpoint(struct xhci_hcd *xhci,
                 list_del(&cur_td->cancelled_td_list);
 
                 /* Clean up the cancelled URB */
-#ifdef CONFIG_USB_HCD_STAT
-                hcd_stat_update(xhci->tp_stat, cur_td->urb->actual_length,
-                                ktime_sub(stop_time, cur_td->start_time));
-#endif
                 /* Doesn't matter what we pass for status, since the core will
                  * just overwrite it (because the URB has been unlinked).
                  */