static struct dma_buf_ops dma_buf_ops = {
.map_dma_buf = ion_map_dma_buf, .unmap_dma_buf = ion_unmap_dma_buf, .mmap = ion_mmap,
.release = ion_dma_buf_release,
.begin_cpu_access = ion_dma_buf_begin_cpu_access, .end_cpu_access = ion_dma_buf_end_cpu_access,
.kmap_atomic = ion_dma_buf_kmap, .kunmap_atomic = ion_dma_buf_kunmap, .kmap = ion_dma_buf_kmap, .kunmap = ion_dma_buf_kunmap,
};