return *addr;
}
-void *vb2_dma_contig_init_ctx(struct device *dev);
-void vb2_dma_contig_cleanup_ctx(void *alloc_ctx);
int vb2_dma_contig_set_max_seg_size(struct device *dev, unsigned int size);
void vb2_dma_contig_clear_max_seg_size(struct device *dev);