entry = ((dma_handle - tbl->table_map_base) >> shift);
dma_4v_iommu_demap(&devhandle, entry, npages);
iommu_tbl_range_free(&iommu->tbl, dma_handle, npages,
entry = ((dma_handle - tbl->table_map_base) >> shift);
dma_4v_iommu_demap(&devhandle, entry, npages);
iommu_tbl_range_free(&iommu->tbl, dma_handle, npages,