xhci: Update internal dequeue pointers after stalls.

[deliverable/linux.git] / drivers / usb / host / xhci.h

diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index e69f1cdf4b5bb8b05b8f8942a443afc3dbfa1f01..7aca6b16e98684408f34e20ee1f131fe436c7440 100644 (file)
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -644,6 +644,9 @@ struct xhci_ep_ctx {
 #define AVG_TRB_LENGTH_FOR_EP(p)       ((p) & 0xffff)
 #define MAX_ESIT_PAYLOAD_FOR_EP(p)     (((p) & 0xffff) << 16)
 
+/* deq bitmasks */
+#define EP_CTX_CYCLE_MASK              (1 << 0)
+
 
 /**
  * struct xhci_input_control_context
@@ -746,6 +749,12 @@ struct xhci_virt_ep {
        struct timer_list       stop_cmd_timer;
        int                     stop_cmds_pending;
        struct xhci_hcd         *xhci;
+       /* Dequeue pointer and dequeue segment for a submitted Set TR Dequeue
+        * command.  We'll need to update the ring's dequeue segment and dequeue
+        * pointer after the command completes.
+        */
+       struct xhci_segment     *queued_deq_seg;
+       union xhci_trb          *queued_deq_ptr;
        /*
         * Sometimes the xHC can not process isochronous endpoint ring quickly
         * enough, and it will miss some isoc tds on the ring and generate