Clearing the data toggle bit only makes sense for endpoints that use it,
authormpi <mpi@openbsd.org>
Wed, 4 Jun 2014 13:52:30 +0000 (13:52 +0000)
committermpi <mpi@openbsd.org>
Wed, 4 Jun 2014 13:52:30 +0000 (13:52 +0000)
commitb8ec0a52f028c5008290f72d0e5e502caa507346
tree26255a8355ab37a516b414e830727c5bbae6b45c
parent6aa0b95f7d76cbecf7a9d0eb6f2b6dea31df2e1f
Clearing the data toggle bit only makes sense for endpoints that use it,
since this function is optional get rid of the no-op ones.

ok ratchov@
sys/dev/usb/ehci.c
sys/dev/usb/ohci.c
sys/dev/usb/uhci.c