Commit adf47834 authored by Hans de Goede's avatar Hans de Goede Committed by Gerd Hoffmann
Browse files

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: default avatarHans de Goede <hdegoede@redhat.com>
parent 287fd3f1

hw/usb/hcd-ehci.c

+11 −2
Original line number Diff line number Diff line
@@ -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 {