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Diffstat (limited to 'hw')
-rw-r--r--hw/usb/hcd-uhci.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/hw/usb/hcd-uhci.c b/hw/usb/hcd-uhci.c
index e82e5cc809..d61d879c1c 100644
--- a/hw/usb/hcd-uhci.c
+++ b/hw/usb/hcd-uhci.c
@@ -75,6 +75,9 @@
#define FRAME_MAX_LOOPS 256
+/* Must be large enough to handle 10 frame delay for initial isoc requests */
+#define QH_VALID 32
+
#define NB_PORTS 2
enum {
@@ -206,9 +209,7 @@ static UHCIQueue *uhci_queue_new(UHCIState *s, uint32_t qh_addr, UHCI_TD *td,
queue->ep = ep;
QTAILQ_INIT(&queue->asyncs);
QTAILQ_INSERT_HEAD(&s->queues, queue, next);
- /* valid needs to be large enough to handle 10 frame delay
- * for initial isochronous requests */
- queue->valid = 32;
+ queue->valid = QH_VALID;
trace_usb_uhci_queue_add(queue->token);
return queue;
}
@@ -854,7 +855,7 @@ static int uhci_handle_td(UHCIState *s, UHCIQueue *q, uint32_t qh_addr,
}
if (q) {
- q->valid = 32;
+ q->valid = QH_VALID;
}
/* Is active ? */