23 lines
687 B
Diff
23 lines
687 B
Diff
--- a/drivers/usb/host/ehci-q.c
|
|
+++ b/drivers/usb/host/ehci-q.c
|
|
@@ -1194,6 +1194,9 @@ 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)
|