+ /**
+ * Init function for flash driver.
+ *
+ * This macro cannot fail, so no error conditions are reported.
+ *
+ * This macro expands to
+ * - flash_init_2(Flash *fls, flags), the new KBlock API
+ * - flash_init_1(Flash *fls), old API, provided for compatibility
+ *
+ * Do NOT use the above functions directly, use flash_init() instead.
+ * Disable old API if you are not upgrading an existing project.
+ */