AFAICT this is ready for your next merge with Linus.

Ben's ohci stuff was not cooked yet, seemed like the
pm stuff wasn't yet supporting the hook(s) he needed.
RMK had similar issues w.r.t. PM on ARM too.


This patch includes:

   - updates from Benjamin Herrenschmidt to make usbcore
     behave a bit better during PM suspend (setting and
     checking hcd state).

   - related updates from me, making more paths into hcds
     fail when the driver is suspended.

   - updates based on some feedback from Alan Stern,
     notably including getting rid of a state we don't
     really need (most of the patch, by volume).

   - an experiment that tries to give a warning in the
     sadly common case of ACPI or APIC (etc) settings
     that need to change before USB works.

Net effect is that some of the PM issues start to get
resolved, maybe IRQ problems will be diagnosed quicker,
and some overdue cleanup gets started.