ARM32_DMAMAP_COHERENT
map->_dm_flags |= ARM32_DMAMAP_COHERENT;
map->_dm_flags &= ~ARM32_DMAMAP_COHERENT;
map->_dm_flags |= ARM32_DMAMAP_COHERENT;
map->_dm_flags |= ARM32_DMAMAP_COHERENT;
map->_dm_flags &= ~ARM32_DMAMAP_COHERENT;
if (map->_dm_flags & ARM32_DMAMAP_COHERENT) {
~ARM32_DMAMAP_COHERENT;
~ARM32_DMAMAP_COHERENT;
~ARM32_DMAMAP_COHERENT;
map->_dm_flags &= ~ARM32_DMAMAP_COHERENT;