> Modified Files: > src/sys/dev/i2o: iop.c > > Log Message: > Fix bus_dmamap_sync(): it should be a BUS_DMASYNC_POSTWRITE after > writing to DMA memory. > Found by code inspection.
> *sw = htole32(0); > bus_dmamap_sync(sc->sc_dmat, sc->sc_scr_dmamap, 0, sizeof(*sw), > - BUS_DMASYNC_PREWRITE|BUS_DMASYNC_PREREAD); > + BUS_DMASYNC_POSTWRITE); This looks wrong. POSTWRITE should be used after xfer from host to device is complete. It looks bus_dmamap_sync() before *sw = htole32(0) statement should be POSTWRITE (for the previous xfer) instead. (POLL() macro with bus_dmamap_sync() seems also wrong..) --- Izumi Tsutsui
