On Wednesday 09 November 2011 08:29:34 Ian Smith wrote:
> I looked at that, and was thinking of trying it when I started testing a
> Cardbus USB 2.0 card requiring ohci and ehci too, so I've just stuck
> with unloading/reloading those three modules in rc.{suspend,resume},
> which works around it, though it's messy and you lose mounts of course.
>
Hi,
> I also saw somebody mention that this may apply to xhci (USB 3?) as
> well, so figured 'someone' might be working on the general solution,
> based on your discoveries. Not so?
Probably the drivers themselves can do this re-init without the load/unload. I
don't have a PC to test this on, so any patches are welcome.
Basically what you need to do is to reset the hardware and point it to the
existing DMA schedule.
--HPS
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