xhci: Log extra info on "ERROR Transfer event TRB DMA ptr not part of current TD"

Lately (with the use of uas / bulk-streams) we have been seeing several
cases where this error triggers (which should never happen).

Add some extra logging to make debugging these errors easier.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 8936211b161d..5cb3d7a10017 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1904,7 +1904,7 @@ static int xhci_test_trb_in_td(struct xhci_hcd *xhci,
         start_dma = xhci_trb_virt_to_dma(input_seg, start_trb);
         end_dma = xhci_trb_virt_to_dma(input_seg, end_trb);
 
-        seg = trb_in_td(input_seg, start_trb, end_trb, input_dma);
+        seg = trb_in_td(xhci, input_seg, start_trb, end_trb, input_dma, false);
         if (seg != result_seg) {
                 xhci_warn(xhci, "WARN: %s TRB math test %d failed!\n",
                                 test_name, test_number);
@@ -1918,6 +1918,8 @@ static int xhci_test_trb_in_td(struct xhci_hcd *xhci,
                                 end_trb, end_dma);
                 xhci_warn(xhci, "Expected seg %p, got seg %p\n",
                                 result_seg, seg);
+                trb_in_td(xhci, input_seg, start_trb, end_trb, input_dma,
+                          true);
                 return -1;
         }
         return 0;