Groups > linux.kernel > #1191852

Re: xhci_hcd 0000:00:14.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 2 comp_code 1

From	Peter Stuge <peter@stuge.se>
Newsgroups	linux.kernel
Subject	Re: xhci_hcd 0000:00:14.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 2 comp_code 1
Date	2015-07-24 16:00 +0200
Message-ID	<pPLG1-7zK-5@gated-at.bofh.it> (permalink)
References	(1 earlier) <pOpHA-3fu-13@gated-at.bofh.it> <pOH1M-2PH-27@gated-at.bofh.it> <pP32i-Ny-13@gated-at.bofh.it> <pPJNV-4T4-19@gated-at.bofh.it> <pPLmH-7cG-45@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Mathias Nyman wrote:
> +++ b/drivers/usb/host/xhci-ring.c
> @@ -82,7 +82,7 @@ dma_addr_t xhci_trb_virt_to_dma(struct xhci_segment *seg,
>                 return 0;
>         /* offset in TRBs */
>         segment_offset = trb - seg->trbs;
> -       if (segment_offset > TRBS_PER_SEGMENT)
> +       if (segment_offset > TRBS_PER_SEGMENT - 1)

Maybe change the > comparison to >= rather than add the extra "- 1"?


//Peter
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Thread

Re: xhci_hcd 0000:00:14.0: ERROR Transfer event TRB DMA ptr not part  of current TD ep_index 2 comp_code 1 Mathias Nyman <mathias.nyman@linux.intel.com> - 2015-07-24 14:00 +0200
  Re: xhci_hcd 0000:00:14.0: ERROR Transfer event TRB DMA ptr not part  of current TD ep_index 2 comp_code 1 Mathias Nyman <mathias.nyman@linux.intel.com> - 2015-07-24 15:40 +0200
    Re: xhci_hcd 0000:00:14.0: ERROR Transfer event TRB DMA ptr not  part of current TD ep_index 2 comp_code 1 Peter Stuge <peter@stuge.se> - 2015-07-24 16:00 +0200
    Re: xhci_hcd 0000:00:14.0: ERROR Transfer event TRB DMA ptr not part  of current TD ep_index 2 comp_code 1 Mathias Nyman <mathias.nyman@linux.intel.com> - 2015-08-03 15:10 +0200

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