xHCI and suspend/resume

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What is the current state of suspend/resume in xhci_hcd?

I'm using 2.6.39-rc7-gregkh and the NEC (pci 1033:0194) and the TI
USB-3 (pci 104c:8241) host controllers don't show up in
/proc/acpi/wakeup (and do not have a
/sys/bus/usb/devices/XXX/power/wakeup entry).

Is there a different mechanism for this with xHCI? I need to test
wakeup with the the TI USB-3 host controller, but when I put the PC
into suspend, the TI host controller is powered down. Since it does
not show up in /proc/acpi/wakeup I can't enable it as a wakeup device.

Sincerely,
Dwight Schauer
dschauer@xxxxxx
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