--- zzzz-none-000/linux-5.4.213/include/uapi/mtd/ubi-user.h	2022-09-15 10:04:56.000000000 +0000
+++ alder-5690pro-762/linux-5.4.213/include/uapi/mtd/ubi-user.h	2024-08-14 09:02:11.000000000 +0000
@@ -184,6 +184,7 @@
 #define UBI_IOCATT _IOW(UBI_CTRL_IOC_MAGIC, 64, struct ubi_attach_req)
 /* Detach an MTD device */
 #define UBI_IOCDET _IOW(UBI_CTRL_IOC_MAGIC, 65, __s32)
+#define UBI_IOCFDET _IOW(UBI_CTRL_IOC_MAGIC, 99, __s32)
 
 /* ioctl commands of UBI volume character devices */