diff --git a/sys/dev/mmc/host/dwmmc.c b/sys/dev/mmc/host/dwmmc.c
index f96eff6c6ea..fe08fe96fe8 100644
--- a/sys/dev/mmc/host/dwmmc.c
+++ b/sys/dev/mmc/host/dwmmc.c
@@ -722,6 +722,9 @@ dma_done(struct dwmmc_softc *sc, struct mmc_command *cmd)
 		bus_dmamap_sync(sc->buf_tag, sc->buf_map,
 			BUS_DMASYNC_POSTREAD);
 
+	bus_dmamap_sync(sc->desc_tag, sc->desc_map,
+	    BUS_DMASYNC_POSTWRITE);
+
 	bus_dmamap_unload(sc->buf_tag, sc->buf_map);
 
 	return (0);
@@ -766,6 +769,10 @@ dma_prepare(struct dwmmc_softc *sc, struct mmc_command *cmd)
 	if (err != 0)
 		panic("dmamap_load failed\n");
 
+	/* Ensure the device can see the desc */
+	bus_dmamap_sync(sc->desc_tag, sc->desc_map,
+	    BUS_DMASYNC_PREWRITE);
+
 	if (data->flags & MMC_DATA_WRITE)
 		bus_dmamap_sync(sc->buf_tag, sc->buf_map,
 			BUS_DMASYNC_PREWRITE);