USB2 patches

[Hans Petter Selasky]

On Sunday 01 February 2009, M. Warner Losh wrote:
> In message: <200902011922.16810.hselasky at c2i.net>
>
>             Hans Petter Selasky <hselasky at c2i.net> writes:
> : In your patch you remove all error checking! If the taskqueue system does
> : not have an API function that can tell if the taskqueue is being drained
> : from inside the taskqueue callback, the taskqueue system has to be
> : modified! It cannot replace the existing system like it is now!
>
> Why does the taskqueue system need to provide that?  Why can't the
> driver set a dying flag in the softc to communicate this fact to the
> taskqueue tasks?

That's also possible. Thomas already made a "struct usb2_task" I think, where 
this flag could be added.

--HPS