diff options
Diffstat (limited to 'hw/usb/hcd-uhci.c')
-rw-r--r-- | hw/usb/hcd-uhci.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/hw/usb/hcd-uhci.c b/hw/usb/hcd-uhci.c index a9e06ef5aa..b6b972fa92 100644 --- a/hw/usb/hcd-uhci.c +++ b/hw/usb/hcd-uhci.c @@ -167,8 +167,13 @@ static void uhci_queue_fill(UHCIQueue *q, UHCI_TD *td); static inline int32_t uhci_queue_token(UHCI_TD *td) { - /* covers ep, dev, pid -> identifies the endpoint */ - return td->token & 0x7ffff; + if ((td->token & (0xf << 15)) == 0) { + /* ctrl ep, cover ep and dev, not pid! */ + return td->token & 0x7ff00; + } else { + /* covers ep, dev, pid -> identifies the endpoint */ + return td->token & 0x7ffff; + } } static UHCIQueue *uhci_queue_new(UHCIState *s, uint32_t qh_addr, UHCI_TD *td, |