diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/drivers/usb/xhci.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/drivers/usb/xhci.c b/src/drivers/usb/xhci.c index 67de0a832..48ac6a307 100644 --- a/src/drivers/usb/xhci.c +++ b/src/drivers/usb/xhci.c @@ -2606,6 +2606,12 @@ static int xhci_endpoint_stream ( struct usb_endpoint *ep, len -= trb_len; trb++; } + + /* Mark zero-length packet (if present) as a separate transfer */ + if ( zlp && ( count > 1 ) ) + trb[-2].normal.flags = 0; + + /* Generate completion for final TRB */ trb[-1].normal.flags = XHCI_TRB_IOC; /* Enqueue TRBs */ |