+ /**
+ * get_cfg() - Get DMA channel configuration for client's use
+ *
+ * @dma: The DMA Channel to manipulate
+ * @cfg_id: DMA provider specific ID to identify what
+ * configuration data client needs
+ * @data: Pointer to store pointer to DMA driver specific
+ * configuration data for the given cfg_id (output param)
+ * @return zero on success, or -ve error code.
+ */
+ int (*get_cfg)(struct dma *dma, u32 cfg_id, void **data);