diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2010-02-09 19:23:20 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2010-02-09 19:23:20 +0000 |
| commit | b928eff7667d94d9cead0ebdc66ffa2216e01f31 (patch) | |
| tree | fce1b720a88f2a0d47a539d17ec18a68215ab561 /sys | |
| parent | e611bb29b2978b5bc3b116ed979a8459ae2fb0b8 (diff) | |
Less aggressive cache ops on BUS_DMASYNC_PREREAD alone (leftover from older
code before I got DMA address computation reliable).
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/loongson/loongson/bus_dma.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/arch/loongson/loongson/bus_dma.c b/sys/arch/loongson/loongson/bus_dma.c index 77134d175ee..936e67bcbcc 100644 --- a/sys/arch/loongson/loongson/bus_dma.c +++ b/sys/arch/loongson/loongson/bus_dma.c @@ -1,4 +1,4 @@ -/* $OpenBSD: bus_dma.c,v 1.2 2010/01/09 23:34:29 miod Exp $ */ +/* $OpenBSD: bus_dma.c,v 1.3 2010/02/09 19:23:19 miod Exp $ */ /* * Copyright (c) 2003-2004 Opsycon AB (www.opsycon.se / www.opsycon.com) @@ -360,7 +360,7 @@ _dmamap_sync(bus_dma_tag_t t, bus_dmamap_t map, bus_addr_t addr, cacheop = SYNC_W; } else { if (op & BUS_DMASYNC_PREREAD) - cacheop = SYNC_X; + cacheop = SYNC_R; else if (op & BUS_DMASYNC_POSTREAD) cacheop = SYNC_R; else |