diff options
| author | David Gwynne <dlg@cvs.openbsd.org> | 2007-04-29 11:28:26 +0000 |
|---|---|---|
| committer | David Gwynne <dlg@cvs.openbsd.org> | 2007-04-29 11:28:26 +0000 |
| commit | 040a5435e573e7f9bdf12eac23ae6aa9c925e4b7 (patch) | |
| tree | 00d6f8166bc0dad5bec3059f5cb7815ba848bcc0 /sys/dev | |
| parent | 0088fa3977f63098f2264735c6a1ffb516195794 (diff) | |
when we post a fifo we're giving the dma mem back to the hardware, so we
need a presync, not a postsync.
another good find by Nadav Shemer at Tehuti Networks
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/pci/if_tht.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/dev/pci/if_tht.c b/sys/dev/pci/if_tht.c index b6e4148678c..82af7eaf292 100644 --- a/sys/dev/pci/if_tht.c +++ b/sys/dev/pci/if_tht.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_tht.c,v 1.81 2007/04/29 08:44:13 dlg Exp $ */ +/* $OpenBSD: if_tht.c,v 1.82 2007/04/29 11:28:25 dlg Exp $ */ /* * Copyright (c) 2007 David Gwynne <dlg@openbsd.org> @@ -1488,7 +1488,7 @@ tht_fifo_post(struct tht_softc *sc, struct tht_fifo *tf) delay(100); /* XXX this is dumb */ bus_dmamap_sync(sc->sc_thtc->sc_dmat, THT_DMA_MAP(tf->tf_mem), - 0, tf->tf_len, THT_FIFO_POST_SYNC(tf->tf_desc)); + 0, tf->tf_len, THT_FIFO_PRE_SYNC(tf->tf_desc)); if (tf->tf_desc->tfd_write) tht_write(sc, tf->tf_desc->tfd_wptr, tf->tf_wptr); else |