+/*
+ * map_name: the map probe function name
+ * width: width of mapped device
+ * init: method called at driver/device initialisation
+ * exit: method called at driver/device removal
+ * set_vpp: method called to enable or disable VPP
+ * parts: optional array of mtd_partitions for static partitioning
+ * nr_parts: number of mtd_partitions for static partitoning
+ */