diff options
| -rw-r--r-- | drivers/usb/host/xhci-ring.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 98437ffb065..1549b9ceb91 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1153,6 +1153,16 @@ static int handle_tx_event(struct xhci_hcd *xhci, status = -ENOSR; break; default: + if (trb_comp_code >= 224 && trb_comp_code <= 255) { + /* Vendor defined "informational" completion code, + * treat as not-an-error. + */ + xhci_dbg(xhci, "Vendor defined info completion code %u\n", + trb_comp_code); + xhci_dbg(xhci, "Treating code as success.\n"); + status = 0; + break; + } xhci_warn(xhci, "ERROR Unknown event condition, HC probably busted\n"); urb = NULL; goto cleanup; |