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xhci(4): Only drop BULK and INTERRUPT endpoints to reset data toggle.

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Only drop BULK and INTERRUPT endpoints, to reset the data toggle,
because for other endpoint types this is not critical.

Tested by:	ehaupt@
PR:		262882
Sponsored by:	NVIDIA Networking

(cherry picked from commit e276d28150)
This commit is contained in:
Hans Petter Selasky committed 2022-05-04 09:30:07 +02:00
1 parent 683c36ae04
commit a1ec8baee5
1 file changed
+9 -2
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sys/dev/usb/controller/xhci.c
+9 -2
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@@ -3932,9 +3932,16 @@ xhci_configure_reset_endpoint(struct usb_xfer *xfer)
mask = (1U << epno);
if (epno != 1 && drop != 0) {
/*
* So-called control and isochronous transfer types have
* predefined data toggles (USB 2.0) or sequence numbers (USB
* 3.0) and does not need to be dropped.
*/
if (drop != 0 &&
(edesc->bmAttributes & UE_XFERTYPE) != UE_CONTROL &&
(edesc->bmAttributes & UE_XFERTYPE) != UE_ISOCHRONOUS) {
/* drop endpoint context to reset data toggle value, if any. */
xhci_configure_mask(udev, mask, 1);
xhci_configure_mask(udev, mask, 1);
err = xhci_cmd_configure_ep(sc, buf_inp.physaddr, 0, index);
if (err != 0) {
DPRINTF("Could not drop "