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Diffstat (limited to 'hw/usb/hcd-uhci.c')
-rw-r--r--hw/usb/hcd-uhci.c9
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,