Document how the Slot States transitions described in section 4.5.3 of xHCI specification r1.1 are handled in this implementation.  This is a bit tricky because our bus interface is pipe-oriented.  Hopefully this will help other people squash the remaining bugs in this area.
Document how the Slot States transitions described in section 4.5.3 of
xHCI specification r1.1 are handled in this implementation.  This is a
bit tricky because our bus interface is pipe-oriented.  Hopefully this
will help other people squash the remaining bugs in this area.

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars