blob: 9b1bd401a07ce00ee2de83547f695b3425641437 (
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--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -1172,6 +1172,9 @@ 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
@@ -130,6 +130,7 @@ struct ehci_hcd { /* one per controlle
unsigned has_amcc_usb23:1;
unsigned need_io_watchdog:1;
unsigned broken_periodic:1;
+ unsigned has_synopsys_hc_bug:1; /* Synopsys HC */
/* required for usb32 quirk */
#define OHCI_CTRL_HCFS (3 << 6)
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