char devname[32] = { 0 }; /* dp->str is u16[32] long */
char *colon;
-#if defined(CONFIG_BLK) || defined(CONFIG_ISO_PARTITION)
+#if defined(CONFIG_BLK) || CONFIG_IS_ENABLED(ISO_PARTITION)
desc = blk_get_dev(dev, simple_strtol(devnr, NULL, 10));
#endif
colon = strchr(devname, ':');
-#ifdef CONFIG_ISO_PARTITION
+#if CONFIG_IS_ENABLED(ISO_PARTITION)
/* For ISOs we create partition block devices */
if (desc && (desc->type != DEV_TYPE_UNKNOWN) &&
(desc->part_type == PART_TYPE_ISO)) {