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-rw-r--r--target/linux/generic/pending-4.19/401-mtd-add-support-for-different-partition-parser-types.patch142
1 files changed, 0 insertions, 142 deletions
diff --git a/target/linux/generic/pending-4.19/401-mtd-add-support-for-different-partition-parser-types.patch b/target/linux/generic/pending-4.19/401-mtd-add-support-for-different-partition-parser-types.patch
deleted file mode 100644
index a59659cda6..0000000000
--- a/target/linux/generic/pending-4.19/401-mtd-add-support-for-different-partition-parser-types.patch
+++ /dev/null
@@ -1,142 +0,0 @@
-From: Gabor Juhos <juhosg@openwrt.org>
-Subject: mtd: add support for different partition parser types
-
-Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
----
- drivers/mtd/mtdpart.c | 56 ++++++++++++++++++++++++++++++++++++++++
- include/linux/mtd/partitions.h | 11 ++++++++
- 2 files changed, 67 insertions(+)
-
---- a/drivers/mtd/mtdpart.c
-+++ b/drivers/mtd/mtdpart.c
-@@ -55,6 +55,10 @@ struct mtd_part {
- };
-
- static void mtd_partition_split(struct mtd_info *master, struct mtd_part *part);
-+static int parse_mtd_partitions_by_type(struct mtd_info *master,
-+ enum mtd_parser_type type,
-+ const struct mtd_partition **pparts,
-+ struct mtd_part_parser_data *data);
-
- /*
- * Given a pointer to the MTD object in the mtd_part structure, we can retrieve
-@@ -717,6 +721,36 @@ int mtd_del_partition(struct mtd_info *m
- }
- EXPORT_SYMBOL_GPL(mtd_del_partition);
-
-+static int
-+run_parsers_by_type(struct mtd_part *slave, enum mtd_parser_type type)
-+{
-+ struct mtd_partition *parts;
-+ int nr_parts;
-+ int i;
-+
-+ nr_parts = parse_mtd_partitions_by_type(&slave->mtd, type, (const struct mtd_partition **)&parts,
-+ NULL);
-+ if (nr_parts <= 0)
-+ return nr_parts;
-+
-+ if (WARN_ON(!parts))
-+ return 0;
-+
-+ for (i = 0; i < nr_parts; i++) {
-+ /* adjust partition offsets */
-+ parts[i].offset += slave->offset;
-+
-+ mtd_add_partition(slave->parent,
-+ parts[i].name,
-+ parts[i].offset,
-+ parts[i].size);
-+ }
-+
-+ kfree(parts);
-+
-+ return nr_parts;
-+}
-+
- #ifdef CONFIG_MTD_SPLIT_FIRMWARE_NAME
- #define SPLIT_FIRMWARE_NAME CONFIG_MTD_SPLIT_FIRMWARE_NAME
- #else
-@@ -1066,6 +1100,61 @@ void mtd_part_parser_cleanup(struct mtd_
- }
- }
-
-+static struct mtd_part_parser *
-+get_partition_parser_by_type(enum mtd_parser_type type,
-+ struct mtd_part_parser *start)
-+{
-+ struct mtd_part_parser *p, *ret = NULL;
-+
-+ spin_lock(&part_parser_lock);
-+
-+ p = list_prepare_entry(start, &part_parsers, list);
-+ if (start)
-+ mtd_part_parser_put(start);
-+
-+ list_for_each_entry_continue(p, &part_parsers, list) {
-+ if (p->type == type && try_module_get(p->owner)) {
-+ ret = p;
-+ break;
-+ }
-+ }
-+
-+ spin_unlock(&part_parser_lock);
-+
-+ return ret;
-+}
-+
-+static int parse_mtd_partitions_by_type(struct mtd_info *master,
-+ enum mtd_parser_type type,
-+ const struct mtd_partition **pparts,
-+ struct mtd_part_parser_data *data)
-+{
-+ struct mtd_part_parser *prev = NULL;
-+ int ret = 0;
-+
-+ while (1) {
-+ struct mtd_part_parser *parser;
-+
-+ parser = get_partition_parser_by_type(type, prev);
-+ if (!parser)
-+ break;
-+
-+ ret = (*parser->parse_fn)(master, pparts, data);
-+
-+ if (ret > 0) {
-+ mtd_part_parser_put(parser);
-+ printk(KERN_NOTICE
-+ "%d %s partitions found on MTD device %s\n",
-+ ret, parser->name, master->name);
-+ break;
-+ }
-+
-+ prev = parser;
-+ }
-+
-+ return ret;
-+}
-+
- int mtd_is_partition(const struct mtd_info *mtd)
- {
- struct mtd_part *part;
---- a/include/linux/mtd/partitions.h
-+++ b/include/linux/mtd/partitions.h
-@@ -73,6 +73,10 @@ struct mtd_part_parser_data {
- * Functions dealing with the various ways of partitioning the space
- */
-
-+enum mtd_parser_type {
-+ MTD_PARSER_TYPE_DEVICE = 0,
-+};
-+
- struct mtd_part_parser {
- struct list_head list;
- struct module *owner;
-@@ -81,6 +85,7 @@ struct mtd_part_parser {
- 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);
-+ enum mtd_parser_type type;
- };
-
- /* Container for passing around a set of parsed partitions */