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-rw-r--r--sys/powerpc/powerpc/busdma_machdep.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/sys/powerpc/powerpc/busdma_machdep.c b/sys/powerpc/powerpc/busdma_machdep.c
index d93f251..4bb5f0c 100644
--- a/sys/powerpc/powerpc/busdma_machdep.c
+++ b/sys/powerpc/powerpc/busdma_machdep.c
@@ -509,12 +509,14 @@ bus_dmamap_load_uio(bus_dma_tag_t dmat, bus_dmamap_t map, struct uio *uio,
*/
void
bus_dmamap_unload(bus_dma_tag_t dmat, bus_dmamap_t map)
-{}
+{
+
+ return;
+}
void
bus_dmamap_sync(bus_dma_tag_t dmat, bus_dmamap_t map, bus_dmasync_op_t op)
{
- if ((op == BUS_DMASYNC_PREREAD) || (op == BUS_DMASYNC_PREWRITE))
- powerpc_mb();
+ return;
}
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