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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>
This commit is contained in:
Hans de Goede 2012-12-14 14:35:35 +01:00 committed by Gerd Hoffmann
parent ecfdc15f43
commit 475443cf14
1 changed files with 5 additions and 4 deletions
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9
hw/usb/hcd-uhci.c
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@ -75,6 +75,9 @@
#define FRAME_MAX_LOOPS 256 #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 #define NB_PORTS 2
enum { enum {
@ -206,9 +209,7 @@ static UHCIQueue *uhci_queue_new(UHCIState *s, uint32_t qh_addr, UHCI_TD *td,
queue->ep = ep; queue->ep = ep;
QTAILQ_INIT(&queue->asyncs); QTAILQ_INIT(&queue->asyncs);
QTAILQ_INSERT_HEAD(&s->queues, queue, next); QTAILQ_INSERT_HEAD(&s->queues, queue, next);
/* valid needs to be large enough to handle 10 frame delay queue->valid = QH_VALID;
* for initial isochronous requests */
queue->valid = 32;
trace_usb_uhci_queue_add(queue->token); trace_usb_uhci_queue_add(queue->token);
return queue; return queue;
} }
@ -854,7 +855,7 @@ static int uhci_handle_td(UHCIState *s, UHCIQueue *q, uint32_t qh_addr,
} }
if (q) { if (q) {
q->valid = 32; q->valid = QH_VALID;
} }
/* Is active ? */ /* Is active ? */