diff options
Diffstat (limited to 'include/usb/xhci.h')
| -rw-r--r-- | include/usb/xhci.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/usb/xhci.h b/include/usb/xhci.h index 4a4ac10229..04d16a256b 100644 --- a/include/usb/xhci.h +++ b/include/usb/xhci.h @@ -901,6 +901,8 @@ union xhci_trb { /* TRB type IDs */ typedef enum { + /* reserved, used as a software sentinel */ + TRB_NONE = 0, /* bulk, interrupt, isoc scatter/gather, and control data stage */ TRB_NORMAL = 1, /* setup stage for control transfers */ |