On 07/18/2014 05:09 PM, Hans de Goede wrote:
> When using a Renesas uPD720231 chipset usb-3 uas to sata bridge with a 120G
> Crucial M500 ssd, model string: Crucial_ CT120M500SSD1, together with a
> the integrated Intel xhci controller on a Haswell laptop:
>
> 00:14.0 USB controller [0c03]: Intel Corporation 8 Series USB xHCI HC [8086:9c31] (rev 04)
>
> The following error gets logged to dmesg:
>
> xhci error: Transfer event TRB DMA ptr not part of current TD
>
> Treating COMP_STOP the same as COMP_STOP_INVAL when no event_seg gets found
> fixes this.
>
> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
> ---
> drivers/usb/host/xhci-ring.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
> index 5542dfe..d9b3286 100644
> --- a/drivers/usb/host/xhci-ring.c
> +++ b/drivers/usb/host/xhci-ring.c
> @@ -2483,7 +2483,8 @@ static int handle_tx_event(struct xhci_hcd *xhci,
> * last TRB of the previous TD. The command completion handle
> * will take care the rest.
> */
> - if (!event_seg && trb_comp_code == COMP_STOP_INVAL) {
> + if (!event_seg && (trb_comp_code == COMP_STOP ||
> + trb_comp_code == COMP_STOP_INVAL)) {
> ret = 0;
> goto cleanup;
> }
>
Looks good, thanks, I'll apply it.
-Mathias
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