diff options
Diffstat (limited to 'freebsd/sys/dev/usb/controller/dwc_otg.c')
| -rw-r--r-- | freebsd/sys/dev/usb/controller/dwc_otg.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/freebsd/sys/dev/usb/controller/dwc_otg.c b/freebsd/sys/dev/usb/controller/dwc_otg.c index 1332b485..005c7ece 100644 --- a/freebsd/sys/dev/usb/controller/dwc_otg.c +++ b/freebsd/sys/dev/usb/controller/dwc_otg.c @@ -1434,6 +1434,19 @@ dwc_otg_host_data_rx(struct dwc_otg_softc *sc, struct dwc_otg_td *td) goto receive_pkt; } } else if (td->ep_type == UE_ISOCHRONOUS) { + if (td->hcsplt != 0) { + /* + * Sometimes the complete + * split packet may be queued + * too early and the + * transaction translator will + * return a NAK. Ignore + * this message and retry the + * complete split instead. + */ + DPRINTF("Retrying complete split\n"); + goto receive_pkt; + } goto complete; } td->did_nak = 1; |