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polled commands can read or write, so bus_dmamap_sync properly

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according to the type of request.

Approved by:	re
This commit is contained in:
Paul Saab 2005-06-23 00:21:25 +00:00
parent 9004ded9df
commit ee515ed0d9
1 changed files with 16 additions and 2 deletions
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18
sys/dev/amr/amr.c
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@ -1021,7 +1021,14 @@ amr_setup_polled_dmamap(void *arg, bus_dma_segment_t *segs, int nsegs, int err)
struct amr_softc *sc = ac->ac_sc;
amr_setup_dmamap(arg, segs, nsegs, err);
bus_dmamap_sync(sc->amr_buffer_dmat,ac->ac_dmamap,BUS_DMASYNC_PREREAD);
if (ac->ac_flags & AMR_CMD_DATAIN) {
bus_dmamap_sync(sc->amr_buffer_dmat,ac->ac_dmamap,
BUS_DMASYNC_PREREAD);
}
if (ac->ac_flags & AMR_CMD_DATAOUT) {
bus_dmamap_sync(sc->amr_buffer_dmat,ac->ac_dmamap,
BUS_DMASYNC_PREWRITE);
}
sc->amr_poll_command1(sc, ac);
}
@ -1102,7 +1109,14 @@ amr_quartz_poll_command1(struct amr_softc *sc, struct amr_command *ac)
while(AMR_QGET_IDB(sc) & AMR_QIDB_ACK);
/* unmap the command's data buffer */
bus_dmamap_sync(sc->amr_buffer_dmat, ac->ac_dmamap, BUS_DMASYNC_POSTREAD);
if (ac->ac_flags & AMR_CMD_DATAIN) {
bus_dmamap_sync(sc->amr_buffer_dmat,ac->ac_dmamap,
BUS_DMASYNC_POSTREAD);
}
if (ac->ac_flags & AMR_CMD_DATAOUT) {
bus_dmamap_sync(sc->amr_buffer_dmat,ac->ac_dmamap,
BUS_DMASYNC_POSTWRITE);
}
bus_dmamap_unload(sc->amr_buffer_dmat, ac->ac_dmamap);
return(error);