Author: hselasky
Date: Fri Feb 27 12:22:07 2015
New Revision: 279354
URL: https://svnweb.freebsd.org/changeset/base/279354

Log:
  MFC r279233:
  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.

Modified:
  stable/9/sys/dev/usb/controller/xhci.c
Directory Properties:
  stable/9/sys/   (props changed)
  stable/9/sys/dev/   (props changed)

Modified: stable/9/sys/dev/usb/controller/xhci.c
==============================================================================
--- stable/9/sys/dev/usb/controller/xhci.c      Fri Feb 27 12:20:03 2015        
(r279353)
+++ stable/9/sys/dev/usb/controller/xhci.c      Fri Feb 27 12:22:07 2015        
(r279354)
@@ -1395,6 +1395,13 @@ 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->physaddr,
                    0, 1, 1, 0, mps, mps);
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