diff options
| author | Patrick Wildt <patrick@cvs.openbsd.org> | 2019-03-15 23:09:24 +0000 |
|---|---|---|
| committer | Patrick Wildt <patrick@cvs.openbsd.org> | 2019-03-15 23:09:24 +0000 |
| commit | ce47359e8bd501f5785490e68c2013ac6a117628 (patch) | |
| tree | 1e62d832aad5b0016eb2519c15b2138045f32e1d /sys/dev/usb | |
| parent | 6407a0ad36daae69202ef2e7ac58369a0d17e701 (diff) | |
The max burst size that is encoded in wMaxPacketSize is zero based,
as in: Since there's always one transfer, 0 means 1. Thus we have
to add 1 (not OR) to get to the desired number.
ok mglocker@ mpi@ stsp@
Diffstat (limited to 'sys/dev/usb')
| -rw-r--r-- | sys/dev/usb/xhci.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/dev/usb/xhci.c b/sys/dev/usb/xhci.c index 60ea85afc98..f234c7617f1 100644 --- a/sys/dev/usb/xhci.c +++ b/sys/dev/usb/xhci.c @@ -1,4 +1,4 @@ -/* $OpenBSD: xhci.c,v 1.95 2019/03/12 18:13:40 patrick Exp $ */ +/* $OpenBSD: xhci.c,v 1.96 2019/03/15 23:09:23 patrick Exp $ */ /* * Copyright (c) 2014-2015 Martin Pieuchot @@ -1083,8 +1083,8 @@ xhci_get_txinfo(struct xhci_softc *sc, struct usbd_pipe *pipe) /* XXX Read the companion descriptor */ } - mep = (UE_GET_TRANS(mps) | 0x1) * UE_GET_SIZE(mps); - atl = min(sc->sc_pagesize, mep); + mep = (UE_GET_TRANS(mps) + 1) * UE_GET_SIZE(mps); + atl = mep; break; case UE_BULK: default: |