summaryrefslogtreecommitdiff
path: root/hw/usb/hcd-uhci.c
diff options
context:
space:
mode:
authorHans de Goede <hdegoede@redhat.com>2012-12-14 14:35:35 +0100
committerGerd Hoffmann <kraxel@redhat.com>2013-01-07 12:57:24 +0100
commit475443cf14d7ef01b9ea56eed8657804f7bdf664 (patch)
treeca186d4f9d43d1747c254706ad8f318ec214e9b7 /hw/usb/hcd-uhci.c
parentecfdc15f4351a17989d446f4f1e6d1931d9c1677 (diff)
downloadqemu-475443cf14d7ef01b9ea56eed8657804f7bdf664.tar.gz
uhci: Add a QH_VALID define
Rather then using the magic 32 value in various places. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw/usb/hcd-uhci.c')
-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 ? */