qh_put (ehci->async);
ehci->async = NULL;
+ if (ehci->dummy)
+ qh_put(ehci->dummy);
+ ehci->dummy = NULL;
+
/* DMA consistent memory and pools */
if (ehci->qtd_pool)
dma_pool_destroy (ehci->qtd_pool);
if (ehci->periodic == NULL) {
goto fail;
}
- for (i = 0; i < ehci->periodic_size; i++)
- ehci->periodic [i] = EHCI_LIST_END(ehci);
+
+ if (ehci->use_dummy_qh) {
+ struct ehci_qh_hw *hw;
+ ehci->dummy = ehci_qh_alloc(ehci, flags);
+ if (!ehci->dummy)
+ goto fail;
+
+ hw = ehci->dummy->hw;
+ hw->hw_next = EHCI_LIST_END(ehci);
+ hw->hw_qtd_next = EHCI_LIST_END(ehci);
+ hw->hw_alt_next = EHCI_LIST_END(ehci);
+ hw->hw_token &= ~QTD_STS_ACTIVE;
+ ehci->dummy->hw = hw;
+
+ for (i = 0; i < ehci->periodic_size; i++)
+ ehci->periodic[i] = ehci->dummy->qh_dma;
+ } else {
+ for (i = 0; i < ehci->periodic_size; i++)
+ ehci->periodic[i] = EHCI_LIST_END(ehci);
+ }
/* software shadow of hardware table */
ehci->pshadow = kcalloc(ehci->periodic_size, sizeof(void *), flags);