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| author | Hans de Goede <hdegoede@redhat.com> | 2014-08-20 16:41:51 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-09-23 21:46:11 -0700 |
| commit | cffb9be80f8a6d51d025780864c781ba83541720 (patch) | |
| tree | 46241acbb049df4d65082b4665ee67044c909c72 /drivers/usb/host/xhci-mem.c | |
| parent | f85c9fb62c59b78a1169b269f4ca697b1e06ee98 (diff) | |
| download | linux-stable-cffb9be80f8a6d51d025780864c781ba83541720.tar.gz linux-stable-cffb9be80f8a6d51d025780864c781ba83541720.tar.bz2 linux-stable-cffb9be80f8a6d51d025780864c781ba83541720.zip | |
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>
Diffstat (limited to 'drivers/usb/host/xhci-mem.c')
| -rw-r--r-- | drivers/usb/host/xhci-mem.c | 4 |
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; |