153   struct ehci_qh    *qh;  in ehci_qh_alloc()  local
156   qh = (struct ehci_qh *)  in ehci_qh_alloc()
158   if (!qh)  in ehci_qh_alloc()
159     return qh;  in ehci_qh_alloc()
162   memset (qh, 0, sizeof *qh);  in ehci_qh_alloc()
163   atomic_set (&qh->refcount, 1);  in ehci_qh_alloc()
164   qh->qh_dma = dma;  in ehci_qh_alloc()
166   diag_printf("qh: %p, qh->qh_dma: %p\n", (MS_U32)qh, qh->qh_dma);  in ehci_qh_alloc()
167   INIT_LIST_HEAD (&qh->qtd_list);  in ehci_qh_alloc()
170   qh->dummy = ehci_qtd_alloc (ehci, flags);  in ehci_qh_alloc()
171   if (qh->dummy == 0)   in ehci_qh_alloc()
174     pci_pool_free (ehci->qh_pool, qh, qh->qh_dma);  in ehci_qh_alloc()
175     qh = 0;  in ehci_qh_alloc()
179   return qh;  in ehci_qh_alloc()
183 static __inline__ struct ehci_qh *qh_get (/* ehci, */ struct ehci_qh *qh)  in qh_get()  argument
186   atomic_inc (&qh->refcount);  in qh_get()
188   return qh;  in qh_get()
192 static void qh_put (struct ehci_hcd *ehci, struct ehci_qh *qh)  in qh_put()  argument
194   if (!atomic_dec_and_test (&qh->refcount))  in qh_put()
197   if (!list_empty (&qh->qtd_list) || qh->qh_next.ptr)   in qh_put()
204   if (qh->dummy)  in qh_put()
205     ehci_qtd_free (ehci, qh->dummy);  in qh_put()
208   pci_pool_free (ehci->qh_pool, qh, qh->qh_dma);  in qh_put()