Author: hselasky
Date: Tue Feb 24 08:53:47 2015
New Revision: 279233
URL: https://svnweb.freebsd.org/changeset/base/279233
Log:
Ensure that the XHCI driver will refresh the control endpoint settings
when re-enumerating a FULL speed device. Else the wrong max packet
setting might be used when trying to re-enumerate a FULL speed device.
MFC after: 3 days
Modified:
head/sys/dev/usb/controller/xhci.c
Modified: head/sys/dev/usb/controller/xhci.c
==============================================================================
--- head/sys/dev/usb/controller/xhci.c Tue Feb 24 06:20:50 2015
(r279232)
+++ head/sys/dev/usb/controller/xhci.c Tue Feb 24 08:53:47 2015
(r279233)
@@ -1411,6 +1411,13 @@ xhci_set_address(struct usb_device *udev
pepext = xhci_get_endpoint_ext(udev,
&udev->ctrl_ep_desc);
+
+ /* ensure the control endpoint is setup again */
+ USB_BUS_LOCK(udev->bus);
+ pepext->trb_halted = 1;
+ pepext->trb_running = 0;
+ USB_BUS_UNLOCK(udev->bus);
+
err = xhci_configure_endpoint(udev,
&udev->ctrl_ep_desc, pepext,
0, 1, 1, 0, mps, mps, USB_EP_MODE_DEFAULT);
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