xhci: remove unused stopped_td pointer

We no longer keep track of where we stopped in a stopped_td pointer.
We get the ring dequeue pointer from the endpoint or stream context

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 03f63f5..ffb1c47 100644 (file)
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -715,7 +715,6 @@ static void xhci_handle_cmd_stop_ep(struct xhci_hcd *xhci, int slot_id,
 
        if (list_empty(&ep->cancelled_td_list)) {
                xhci_stop_watchdog_timer_in_irq(xhci, ep);
-               ep->stopped_td = NULL;
                ring_doorbell_for_active_rings(xhci, slot_id, ep_index);
                return;
        }
@@ -780,8 +779,6 @@ remove_finished_td:
                ring_doorbell_for_active_rings(xhci, slot_id, ep_index);
        }
 
-       ep->stopped_td = NULL;
-
        /*
         * Drop the lock and complete the URBs in the cancelled TD list.
         * New TDs to be cancelled might be added to the end of the list before
@@ -1935,7 +1932,6 @@ static int finish_td(struct xhci_hcd *xhci, struct xhci_td *td,
                 * stopped TDs.  A stopped TD may be restarted, so don't update
                 * the ring dequeue pointer or take this TD off any lists yet.
                 */
-               ep->stopped_td = td;
                return 0;
        }
        if (trb_comp_code == COMP_STALL_ERROR ||

diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 73a28a9..12df132 100644 (file)
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -924,7 +924,6 @@ struct xhci_virt_ep {
 #define EP_GETTING_NO_STREAMS  (1 << 5)
        /* ----  Related to URB cancellation ---- */
        struct list_head        cancelled_td_list;
-       struct xhci_td          *stopped_td;
        unsigned int            stopped_stream;
        /* Watchdog timer for stop endpoint command to cancel URBs */
        struct timer_list       stop_cmd_timer;