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Diffstat (limited to 'freebsd/sys/dev/rtwn/pci/rtwn_pci_tx.c')
-rw-r--r--freebsd/sys/dev/rtwn/pci/rtwn_pci_tx.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/freebsd/sys/dev/rtwn/pci/rtwn_pci_tx.c b/freebsd/sys/dev/rtwn/pci/rtwn_pci_tx.c
index 50e915ee..1d3852ca 100644
--- a/freebsd/sys/dev/rtwn/pci/rtwn_pci_tx.c
+++ b/freebsd/sys/dev/rtwn/pci/rtwn_pci_tx.c
@@ -176,8 +176,8 @@ rtwn_pci_tx_start_frame(struct rtwn_softc *sc, struct ieee80211_node *ni,
rtwn_dump_tx_desc(sc, txd);
bus_dmamap_sync(ring->desc_dmat, ring->desc_map,
- BUS_DMASYNC_POSTWRITE);
- bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_POSTWRITE);
+ BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
+ bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_PREWRITE);
data->m = m;
data->ni = ni;