-void *vb2_dma_contig_init_ctx_attrs(struct device *dev,
- struct dma_attrs *attrs);
-
-static inline void *vb2_dma_contig_init_ctx(struct device *dev)
-{
- return vb2_dma_contig_init_ctx_attrs(dev, NULL);
-}
-
-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);