Get rid of the per-softc freelist of transfer descriptors and use a
authormpi <mpi@openbsd.org>
Tue, 29 Apr 2014 12:45:29 +0000 (12:45 +0000)
committermpi <mpi@openbsd.org>
Tue, 29 Apr 2014 12:45:29 +0000 (12:45 +0000)
commitfeb20a89e8291f86ce68d738606fd459a88a6d9e
treea86294a682c36067304840a417147ee81a09d43b
parent5d321dfd8ef255663f1fcbfce203593300356acc
Get rid of the per-softc freelist of transfer descriptors and use a
per-driver pool(9) instead.

With inputs from mikeb@
sys/dev/usb/ehci.c
sys/dev/usb/ehcivar.h
sys/dev/usb/xhci.c
sys/dev/usb/xhcivar.h