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ehci: Fix interrupt endpoints no longer working 

One of the recent changes (likely the addition of queuing support) has broken
interrupt endpoints, this patch fixes this.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Hans de Goede 2012-08-30 11:20:51 +02:00 committed by Gerd Hoffmann
parent 287fd3f1dd
commit adf478342b
1 changed files with 11 additions and 2 deletions
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13
hw/usb/hcd-ehci.c
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@ -1987,10 +1987,19 @@ static int ehci_state_fetchqtd(EHCIQueue *q)
ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH);
again = 1;
} else if (p != NULL) {
if (p->async == EHCI_ASYNC_INFLIGHT) {
switch (p->async) {
case EHCI_ASYNC_NONE:
/* Previously nacked packet (likely interrupt ep) */
ehci_set_state(q->ehci, q->async, EST_EXECUTE);
break;
case EHCI_ASYNC_INFLIGHT:
/* Unfinyshed async handled packet, go horizontal */
ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH);
} else {
break;
case EHCI_ASYNC_FINISHED:
/* Should never happen, as this case is caught by fetchqh */
ehci_set_state(q->ehci, q->async, EST_EXECUTING);
break;
}
again = 1;
} else {