+++ /dev/null
---- a/drivers/usb/host/ehci-q.c
-+++ b/drivers/usb/host/ehci-q.c
-@@ -1193,6 +1193,9 @@ static void end_unlink_async (struct ehc
- ehci->reclaim = NULL;
- start_unlink_async (ehci, next);
- }
-+
-+ if (ehci->has_synopsys_hc_bug)
-+ writel((u32)ehci->async->qh_dma, &ehci->regs->async_next);
- }
-
- /* makes sure the async qh will become idle */
---- a/drivers/usb/host/ehci.h
-+++ b/drivers/usb/host/ehci.h
-@@ -131,6 +131,7 @@ struct ehci_hcd { /* one per controlle
- unsigned need_io_watchdog:1;
- unsigned broken_periodic:1;
- unsigned fs_i_thresh:1; /* Intel iso scheduling */
-+ unsigned has_synopsys_hc_bug:1; /* Synopsys HC */
-
- /* required for usb32 quirk */
- #define OHCI_CTRL_HCFS (3 << 6)