--- zzzz-none-000/linux-4.9.218/include/linux/mtd/partitions.h	2020-04-02 15:20:41.000000000 +0000
+++ seale-7590ac-750/linux-4.9.218/include/linux/mtd/partitions.h	2022-11-30 09:46:20.000000000 +0000
@@ -11,7 +11,6 @@
 
 #include <linux/types.h>
 
-
 /*
  * Partition definition structure:
  *
@@ -20,6 +19,12 @@
  *
  * For each partition, these fields are available:
  * name: string that will be used to label the partition's MTD device.
+ * types: some partitions can be containers using specific format to describe
+ *	embedded subpartitions / volumes. E.g. many home routers use "firmware"
+ *	partition that contains at least kernel and rootfs. In such case an
+ *	extra parser is needed that will detect these dynamic partitions and
+ *	report them to the MTD subsystem. If set this property stores an array
+ *	of parser names to use when looking for subpartitions.
  * size: the partition size; if defined as MTDPART_SIZ_FULL, the partition
  * 	will extend to the end of the master MTD device.
  * offset: absolute starting position within the master MTD device; if
@@ -38,9 +43,11 @@
 
 struct mtd_partition {
 	const char *name;		/* identifier string */
+	const char *const *types; /* names of parsers to use if any */
 	uint64_t size;			/* partition size */
 	uint64_t offset;		/* offset within the master MTD space */
 	uint32_t mask_flags;		/* master MTD flags to mask out for this partition */
+	struct device_node *of_node;
 };
 
 #define MTDPART_OFS_RETAIN	(-3)
@@ -69,6 +76,7 @@
 	struct list_head list;
 	struct module *owner;
 	const char *name;
+	const struct of_device_id *of_match_table;
 	int (*parse_fn)(struct mtd_info *, const struct mtd_partition **,
 			struct mtd_part_parser_data *);
 	void (*cleanup)(const struct mtd_partition *pparts, int nr_parts);