+#ifdef CONFIG_CMD_UBIFS
+ /*
+ * Automatically unmount UBIFS partition when user
+ * changes the UBI device. Otherwise the following
+ * UBIFS commands will crash.
+ */
+ if (ubifs_is_mounted())
+ cmd_ubifs_umount();
+#endif
+
+ /* todo: get dev number for NAND... */
+ ubi_dev.nr = 0;
+
+ /*
+ * Call ubi_exit() before re-initializing the UBI subsystem
+ */
+ if (ubi_initialized) {
+ ubi_exit();
+ del_mtd_partitions(ubi_dev.mtd_info);
+ }
+
+ /*
+ * Search the mtd device number where this partition
+ * is located
+ */
+ if (find_dev_and_part(part_name, &dev, &pnum, &part)) {
+ printf("Partition %s not found!\n", part_name);
+ return 1;
+ }
+ sprintf(mtd_dev, "%s%d", MTD_DEV_TYPE(dev->id->type), dev->id->num);
+ ubi_dev.mtd_info = get_mtd_device_nm(mtd_dev);
+ if (IS_ERR(ubi_dev.mtd_info)) {
+ printf("Partition %s not found on device %s!\n", part_name,
+ mtd_dev);