Revert list_move() to list_move_tail() change from last commit since it

turned out that it has a negative impact to isoc transfers timing with our
driver implementation.

4 files changed, 15 insertions, 19 deletions

diff --git a/sys/dev/usb/dwc2/dwc2_hcd.c b/sys/dev/usb/dwc2/dwc2_hcd.c
index 9881c8953f9..8da32b4982a 100644
--- a/sys/dev/usb/dwc2/dwc2_hcd.c
+++ b/sys/dev/usb/dwc2/dwc2_hcd.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: dwc2_hcd.c,v 1.24 2021/07/27 13:36:59 mglocker Exp $	*/
+/*	$OpenBSD: dwc2_hcd.c,v 1.25 2021/09/04 10:19:28 mglocker Exp $	*/
 /*	$NetBSD: dwc2_hcd.c,v 1.15 2014/11/24 10:14:14 skrll Exp $	*/
 
 /*
@@ -932,8 +932,7 @@ enum dwc2_transaction_type dwc2_hcd_select_transactions(
 		 * periodic assigned schedule
 		 */
 		qh_ptr = qh_ptr->next;
-		list_move_tail(&qh->qh_list_entry,
-			       &hsotg->periodic_sched_assigned);
+		list_move(&qh->qh_list_entry, &hsotg->periodic_sched_assigned);
 		ret_val = DWC2_TRANSACTION_PERIODIC;
 	}
 
@@ -982,7 +981,7 @@ enum dwc2_transaction_type dwc2_hcd_select_transactions(
 		 * non-periodic active schedule
 		 */
 		qh_ptr = qh_ptr->next;
-		list_move_tail(&qh->qh_list_entry,
+		list_move(&qh->qh_list_entry,
 			  &hsotg->non_periodic_sched_active);
 
 		if (ret_val == DWC2_TRANSACTION_NONE)
@@ -1026,8 +1025,7 @@ STATIC int dwc2_queue_transaction(struct dwc2_hsotg *hsotg,
 
 	if (chan->do_split)
 		/* Put ourselves on the list to keep order straight */
-		list_move_tail(&chan->split_order_list_entry,
-			       &hsotg->split_order);
+		list_move(&chan->split_order_list_entry, &hsotg->split_order);
 
 	if (hsotg->core_params->dma_enable > 0 && chan->qh) {
 		if (hsotg->core_params->dma_desc_enable > 0) {
@@ -1161,7 +1159,7 @@ STATIC void dwc2_process_periodic_channels(struct dwc2_hsotg *hsotg)
 			 * Move the QH from the periodic assigned schedule to
 			 * the periodic queued schedule
 			 */
-			list_move_tail(&qh->qh_list_entry,
+			list_move(&qh->qh_list_entry,
 				  &hsotg->periodic_sched_queued);
 
 			/* done queuing high bandwidth */
diff --git a/sys/dev/usb/dwc2/dwc2_hcdddma.c b/sys/dev/usb/dwc2/dwc2_hcdddma.c
index db1b6325bfa..a138cb2a2ff 100644
--- a/sys/dev/usb/dwc2/dwc2_hcdddma.c
+++ b/sys/dev/usb/dwc2/dwc2_hcdddma.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: dwc2_hcdddma.c,v 1.18 2021/07/27 13:36:59 mglocker Exp $	*/
+/*	$OpenBSD: dwc2_hcdddma.c,v 1.19 2021/09/04 10:19:28 mglocker Exp $	*/
 /*	$NetBSD: dwc2_hcdddma.c,v 1.6 2014/04/03 06:34:58 skrll Exp $	*/
 
 /*
@@ -1317,7 +1317,7 @@ void dwc2_hcd_complete_xfer_ddma(struct dwc2_hsotg *hsotg,
 			dwc2_hcd_qh_unlink(hsotg, qh);
 		} else {
 			/* Keep in assigned schedule to continue transfer */
-			list_move_tail(&qh->qh_list_entry,
+			list_move(&qh->qh_list_entry,
 				       &hsotg->periodic_sched_assigned);
 			/*
 			 * If channel has been halted during giveback of urb
diff --git a/sys/dev/usb/dwc2/dwc2_hcdintr.c b/sys/dev/usb/dwc2/dwc2_hcdintr.c
index c9e414627c4..871564a984b 100644
--- a/sys/dev/usb/dwc2/dwc2_hcdintr.c
+++ b/sys/dev/usb/dwc2/dwc2_hcdintr.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: dwc2_hcdintr.c,v 1.12 2021/07/27 13:36:59 mglocker Exp $	*/
+/*	$OpenBSD: dwc2_hcdintr.c,v 1.13 2021/09/04 10:19:28 mglocker Exp $	*/
 /*	$NetBSD: dwc2_hcdintr.c,v 1.11 2014/11/24 10:14:14 skrll Exp $	*/
 
 /*
@@ -154,8 +154,8 @@ STATIC void dwc2_sof_intr(struct dwc2_hsotg *hsotg)
 			 * Move QH to the ready list to be executed next
 			 * (micro)frame
 			 */
-			list_move_tail(&qh->qh_list_entry,
-				       &hsotg->periodic_sched_ready);
+			list_move(&qh->qh_list_entry,
+				  &hsotg->periodic_sched_ready);
 	}
 	tr_type = dwc2_hcd_select_transactions(hsotg);
 	if (tr_type != DWC2_TRANSACTION_NONE)
@@ -865,8 +865,8 @@ STATIC void dwc2_halt_channel(struct dwc2_hsotg *hsotg,
 			 * halt to be queued when the periodic schedule is
 			 * processed.
 			 */
-			list_move_tail(&chan->qh->qh_list_entry,
-				       &hsotg->periodic_sched_assigned);
+			list_move(&chan->qh->qh_list_entry,
+				  &hsotg->periodic_sched_assigned);
 
 			/*
 			 * Make sure the Periodic Tx FIFO Empty interrupt is
diff --git a/sys/dev/usb/dwc2/dwc2_hcdqueue.c b/sys/dev/usb/dwc2/dwc2_hcdqueue.c
index 91c105a1b9e..172e4185204 100644
--- a/sys/dev/usb/dwc2/dwc2_hcdqueue.c
+++ b/sys/dev/usb/dwc2/dwc2_hcdqueue.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: dwc2_hcdqueue.c,v 1.11 2021/07/27 13:36:59 mglocker Exp $	*/
+/*	$OpenBSD: dwc2_hcdqueue.c,v 1.12 2021/09/04 10:19:28 mglocker Exp $	*/
 /*	$NetBSD: dwc2_hcdqueue.c,v 1.11 2014/09/03 10:00:08 skrll Exp $	*/
 
 /*
@@ -831,11 +831,9 @@ void dwc2_hcd_qh_deactivate(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh,
 	     dwc2_frame_num_le(qh->sched_frame, frame_number)) ||
 	    (hsotg->core_params->uframe_sched <= 0 &&
 	     qh->sched_frame == frame_number))
-		list_move_tail(&qh->qh_list_entry,
-			       &hsotg->periodic_sched_ready);
+		list_move(&qh->qh_list_entry, &hsotg->periodic_sched_ready);
 	else
-		list_move_tail(&qh->qh_list_entry,
-			       &hsotg->periodic_sched_inactive);
+		list_move(&qh->qh_list_entry, &hsotg->periodic_sched_inactive);
 }
 
 /**