--- zzzz-none-000/linux-3.10.107/drivers/usb/host/ehci-mem.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/usb/host/ehci-mem.c	2021-02-04 17:41:59.000000000 +0000
@@ -93,6 +93,7 @@
 	qh->qh_dma = dma;
 	// INIT_LIST_HEAD (&qh->qh_list);
 	INIT_LIST_HEAD (&qh->qtd_list);
+	INIT_LIST_HEAD(&qh->unlink_node);
 
 	/* dummy td enables safe urb queuing */
 	qh->dummy = ehci_qtd_alloc (ehci, flags);
@@ -208,7 +209,7 @@
 	ehci->periodic = (__le32 *)
 		dma_alloc_coherent (ehci_to_hcd(ehci)->self.controller,
 			ehci->periodic_size * sizeof(__le32),
-			&ehci->periodic_dma, 0);
+			&ehci->periodic_dma, flags);
 	if (ehci->periodic == NULL) {
 		goto fail;
 	}
@@ -223,11 +224,11 @@
 		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;
+			ehci->periodic[i] = cpu_to_hc32(ehci,
+					ehci->dummy->qh_dma);
 	} else {
 		for (i = 0; i < ehci->periodic_size; i++)
 			ehci->periodic[i] = EHCI_LIST_END(ehci);