From: Hans de Goede <hdego...@redhat.com>
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 <hdego...@redhat.com>
---
hw/usb/hcd-ehci.c | 13 +++++++++++--
1 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c
index eca1431..017342b 100644
--- a/hw/usb/hcd-ehci.c
+++ b/hw/usb/hcd-ehci.c
@@ -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 {
--
1.7.1
