From 070693477a26a40fdf5de2316bc72073dc9930c1 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Sat, 12 May 2018 23:12:32 +0200 Subject: [PATCH] kernel: backport mtd patch for minor partitioning cleanup MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Rafał Miłecki --- ...ding-registering-partitions-to-the-p.patch | 168 ++++++++++++++++++ ...ding-registering-partitions-to-the-p.patch | 168 ++++++++++++++++++ ...-generic-parsing-of-linux-part-probe.patch | 8 +- .../400-mtd-add-rootfs-split-support.patch | 6 +- ...for-different-partition-parser-types.patch | 2 +- ...arsers-for-rootfs-and-firmware-split.patch | 6 +- .../404-mtd-add-more-helper-functions.patch | 4 +- .../411-mtd-partial_eraseblock_write.patch | 2 +- ...-generic-parsing-of-linux-part-probe.patch | 8 +- .../400-mtd-add-rootfs-split-support.patch | 6 +- ...for-different-partition-parser-types.patch | 2 +- ...arsers-for-rootfs-and-firmware-split.patch | 6 +- .../404-mtd-add-more-helper-functions.patch | 4 +- .../411-mtd-partial_eraseblock_write.patch | 2 +- 14 files changed, 364 insertions(+), 28 deletions(-) create mode 100644 target/linux/generic/backport-4.14/042-v4.18-0001-mtd-move-code-adding-registering-partitions-to-the-p.patch create mode 100644 target/linux/generic/backport-4.9/068-v4.18-0001-mtd-move-code-adding-registering-partitions-to-the-p.patch diff --git a/target/linux/generic/backport-4.14/042-v4.18-0001-mtd-move-code-adding-registering-partitions-to-the-p.patch b/target/linux/generic/backport-4.14/042-v4.18-0001-mtd-move-code-adding-registering-partitions-to-the-p.patch new file mode 100644 index 0000000000..83077431b8 --- /dev/null +++ b/target/linux/generic/backport-4.14/042-v4.18-0001-mtd-move-code-adding-registering-partitions-to-the-p.patch @@ -0,0 +1,168 @@ +From 5ac67ce36cfe38b4c104a42ce52c5c8d526f1c95 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Tue, 27 Mar 2018 22:35:41 +0200 +Subject: [PATCH] mtd: move code adding (registering) partitions to the + parse_mtd_partitions() +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +This commit slightly simplifies the code. Every parse_mtd_partitions() +caller (out of two existing ones) had to add partitions & cleanup parser +on its own. This moves that responsibility into the function. + +That change also allows dropping struct mtd_partitions argument. + +There is one minor behavior change caused by this cleanup. If +parse_mtd_partitions() fails to add partitions (add_mtd_partitions() +return an error) then mtd_device_parse_register() will still try to +add (register) fallback partitions. It's a real corner case affecting +one of uncommon error paths and shouldn't cause any harm. + +Signed-off-by: Rafał Miłecki +Signed-off-by: Boris Brezillon +--- + drivers/mtd/mtdcore.c | 14 ++++---------- + drivers/mtd/mtdcore.h | 1 - + drivers/mtd/mtdpart.c | 44 ++++++++++++++++---------------------------- + 3 files changed, 20 insertions(+), 39 deletions(-) + +--- a/drivers/mtd/mtdcore.c ++++ b/drivers/mtd/mtdcore.c +@@ -686,7 +686,6 @@ int mtd_device_parse_register(struct mtd + const struct mtd_partition *parts, + int nr_parts) + { +- struct mtd_partitions parsed = { }; + int ret; + + mtd_set_dev_defaults(mtd); +@@ -698,13 +697,10 @@ int mtd_device_parse_register(struct mtd + } + + /* Prefer parsed partitions over driver-provided fallback */ +- ret = parse_mtd_partitions(mtd, types, &parsed, parser_data); +- if (!ret && parsed.nr_parts) { +- parts = parsed.parts; +- nr_parts = parsed.nr_parts; +- } +- +- if (nr_parts) ++ ret = parse_mtd_partitions(mtd, types, parser_data); ++ if (ret > 0) ++ ret = 0; ++ else if (nr_parts) + ret = add_mtd_partitions(mtd, parts, nr_parts); + else if (!device_is_registered(&mtd->dev)) + ret = add_mtd_device(mtd); +@@ -730,8 +726,6 @@ int mtd_device_parse_register(struct mtd + } + + out: +- /* Cleanup any parsed partitions */ +- mtd_part_parser_cleanup(&parsed); + if (ret && device_is_registered(&mtd->dev)) + del_mtd_device(mtd); + +--- a/drivers/mtd/mtdcore.h ++++ b/drivers/mtd/mtdcore.h +@@ -15,7 +15,6 @@ int del_mtd_partitions(struct mtd_info * + struct mtd_partitions; + + int parse_mtd_partitions(struct mtd_info *master, const char * const *types, +- struct mtd_partitions *pparts, + struct mtd_part_parser_data *data); + + void mtd_part_parser_cleanup(struct mtd_partitions *parts); +--- a/drivers/mtd/mtdpart.c ++++ b/drivers/mtd/mtdpart.c +@@ -383,20 +383,7 @@ static inline void free_partition(struct + */ + static int mtd_parse_part(struct mtd_part *slave, const char *const *types) + { +- struct mtd_partitions parsed; +- int err; +- +- err = parse_mtd_partitions(&slave->mtd, types, &parsed, NULL); +- if (err) +- return err; +- else if (!parsed.nr_parts) +- return -ENOENT; +- +- err = add_mtd_partitions(&slave->mtd, parsed.parts, parsed.nr_parts); +- +- mtd_part_parser_cleanup(&parsed); +- +- return err; ++ return parse_mtd_partitions(&slave->mtd, types, NULL); + } + + static struct mtd_part *allocate_partition(struct mtd_info *parent, +@@ -981,30 +968,27 @@ static int mtd_part_of_parse(struct mtd_ + } + + /** +- * parse_mtd_partitions - parse MTD partitions ++ * parse_mtd_partitions - parse and register MTD partitions ++ * + * @master: the master partition (describes whole MTD device) + * @types: names of partition parsers to try or %NULL +- * @pparts: info about partitions found is returned here + * @data: MTD partition parser-specific data + * +- * This function tries to find partition on MTD device @master. It uses MTD +- * partition parsers, specified in @types. However, if @types is %NULL, then +- * the default list of parsers is used. The default list contains only the ++ * This function tries to find & register partitions on MTD device @master. It ++ * uses MTD partition parsers, specified in @types. However, if @types is %NULL, ++ * then the default list of parsers is used. The default list contains only the + * "cmdlinepart" and "ofpart" parsers ATM. + * Note: If there are more then one parser in @types, the kernel only takes the + * partitions parsed out by the first parser. + * + * This function may return: + * o a negative error code in case of failure +- * o zero otherwise, and @pparts will describe the partitions, number of +- * partitions, and the parser which parsed them. Caller must release +- * resources with mtd_part_parser_cleanup() when finished with the returned +- * data. ++ * o number of found partitions otherwise + */ + int parse_mtd_partitions(struct mtd_info *master, const char *const *types, +- struct mtd_partitions *pparts, + struct mtd_part_parser_data *data) + { ++ struct mtd_partitions pparts = { }; + struct mtd_part_parser *parser; + int ret, err = 0; + +@@ -1018,7 +1002,7 @@ int parse_mtd_partitions(struct mtd_info + * handled in a separated function. + */ + if (!strcmp(*types, "ofpart")) { +- ret = mtd_part_of_parse(master, pparts); ++ ret = mtd_part_of_parse(master, &pparts); + } else { + pr_debug("%s: parsing partitions %s\n", master->name, + *types); +@@ -1029,13 +1013,17 @@ int parse_mtd_partitions(struct mtd_info + parser ? parser->name : NULL); + if (!parser) + continue; +- ret = mtd_part_do_parse(parser, master, pparts, data); ++ ret = mtd_part_do_parse(parser, master, &pparts, data); + if (ret <= 0) + mtd_part_parser_put(parser); + } + /* Found partitions! */ +- if (ret > 0) +- return 0; ++ if (ret > 0) { ++ err = add_mtd_partitions(master, pparts.parts, ++ pparts.nr_parts); ++ mtd_part_parser_cleanup(&pparts); ++ return err ? err : pparts.nr_parts; ++ } + /* + * Stash the first error we see; only report it if no parser + * succeeds diff --git a/target/linux/generic/backport-4.9/068-v4.18-0001-mtd-move-code-adding-registering-partitions-to-the-p.patch b/target/linux/generic/backport-4.9/068-v4.18-0001-mtd-move-code-adding-registering-partitions-to-the-p.patch new file mode 100644 index 0000000000..29aa3b9e8d --- /dev/null +++ b/target/linux/generic/backport-4.9/068-v4.18-0001-mtd-move-code-adding-registering-partitions-to-the-p.patch @@ -0,0 +1,168 @@ +From 5ac67ce36cfe38b4c104a42ce52c5c8d526f1c95 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Tue, 27 Mar 2018 22:35:41 +0200 +Subject: [PATCH] mtd: move code adding (registering) partitions to the + parse_mtd_partitions() +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +This commit slightly simplifies the code. Every parse_mtd_partitions() +caller (out of two existing ones) had to add partitions & cleanup parser +on its own. This moves that responsibility into the function. + +That change also allows dropping struct mtd_partitions argument. + +There is one minor behavior change caused by this cleanup. If +parse_mtd_partitions() fails to add partitions (add_mtd_partitions() +return an error) then mtd_device_parse_register() will still try to +add (register) fallback partitions. It's a real corner case affecting +one of uncommon error paths and shouldn't cause any harm. + +Signed-off-by: Rafał Miłecki +Signed-off-by: Boris Brezillon +--- + drivers/mtd/mtdcore.c | 14 ++++---------- + drivers/mtd/mtdcore.h | 1 - + drivers/mtd/mtdpart.c | 44 ++++++++++++++++---------------------------- + 3 files changed, 20 insertions(+), 39 deletions(-) + +--- a/drivers/mtd/mtdcore.c ++++ b/drivers/mtd/mtdcore.c +@@ -676,7 +676,6 @@ int mtd_device_parse_register(struct mtd + const struct mtd_partition *parts, + int nr_parts) + { +- struct mtd_partitions parsed = { }; + int ret; + + mtd_set_dev_defaults(mtd); +@@ -688,13 +687,10 @@ int mtd_device_parse_register(struct mtd + } + + /* Prefer parsed partitions over driver-provided fallback */ +- ret = parse_mtd_partitions(mtd, types, &parsed, parser_data); +- if (!ret && parsed.nr_parts) { +- parts = parsed.parts; +- nr_parts = parsed.nr_parts; +- } +- +- if (nr_parts) ++ ret = parse_mtd_partitions(mtd, types, parser_data); ++ if (ret > 0) ++ ret = 0; ++ else if (nr_parts) + ret = add_mtd_partitions(mtd, parts, nr_parts); + else if (!device_is_registered(&mtd->dev)) + ret = add_mtd_device(mtd); +@@ -720,8 +716,6 @@ int mtd_device_parse_register(struct mtd + } + + out: +- /* Cleanup any parsed partitions */ +- mtd_part_parser_cleanup(&parsed); + if (ret && device_is_registered(&mtd->dev)) + del_mtd_device(mtd); + +--- a/drivers/mtd/mtdcore.h ++++ b/drivers/mtd/mtdcore.h +@@ -14,7 +14,6 @@ int del_mtd_partitions(struct mtd_info * + struct mtd_partitions; + + int parse_mtd_partitions(struct mtd_info *master, const char * const *types, +- struct mtd_partitions *pparts, + struct mtd_part_parser_data *data); + + void mtd_part_parser_cleanup(struct mtd_partitions *parts); +--- a/drivers/mtd/mtdpart.c ++++ b/drivers/mtd/mtdpart.c +@@ -383,20 +383,7 @@ static inline void free_partition(struct + */ + static int mtd_parse_part(struct mtd_part *slave, const char *const *types) + { +- struct mtd_partitions parsed; +- int err; +- +- err = parse_mtd_partitions(&slave->mtd, types, &parsed, NULL); +- if (err) +- return err; +- else if (!parsed.nr_parts) +- return -ENOENT; +- +- err = add_mtd_partitions(&slave->mtd, parsed.parts, parsed.nr_parts); +- +- mtd_part_parser_cleanup(&parsed); +- +- return err; ++ return parse_mtd_partitions(&slave->mtd, types, NULL); + } + + static struct mtd_part *allocate_partition(struct mtd_info *parent, +@@ -973,30 +960,27 @@ static int mtd_part_of_parse(struct mtd_ + } + + /** +- * parse_mtd_partitions - parse MTD partitions ++ * parse_mtd_partitions - parse and register MTD partitions ++ * + * @master: the master partition (describes whole MTD device) + * @types: names of partition parsers to try or %NULL +- * @pparts: info about partitions found is returned here + * @data: MTD partition parser-specific data + * +- * This function tries to find partition on MTD device @master. It uses MTD +- * partition parsers, specified in @types. However, if @types is %NULL, then +- * the default list of parsers is used. The default list contains only the ++ * This function tries to find & register partitions on MTD device @master. It ++ * uses MTD partition parsers, specified in @types. However, if @types is %NULL, ++ * then the default list of parsers is used. The default list contains only the + * "cmdlinepart" and "ofpart" parsers ATM. + * Note: If there are more then one parser in @types, the kernel only takes the + * partitions parsed out by the first parser. + * + * This function may return: + * o a negative error code in case of failure +- * o zero otherwise, and @pparts will describe the partitions, number of +- * partitions, and the parser which parsed them. Caller must release +- * resources with mtd_part_parser_cleanup() when finished with the returned +- * data. ++ * o number of found partitions otherwise + */ + int parse_mtd_partitions(struct mtd_info *master, const char *const *types, +- struct mtd_partitions *pparts, + struct mtd_part_parser_data *data) + { ++ struct mtd_partitions pparts = { }; + struct mtd_part_parser *parser; + int ret, err = 0; + +@@ -1010,7 +994,7 @@ int parse_mtd_partitions(struct mtd_info + * handled in a separated function. + */ + if (!strcmp(*types, "ofpart")) { +- ret = mtd_part_of_parse(master, pparts); ++ ret = mtd_part_of_parse(master, &pparts); + } else { + pr_debug("%s: parsing partitions %s\n", master->name, + *types); +@@ -1021,13 +1005,17 @@ int parse_mtd_partitions(struct mtd_info + parser ? parser->name : NULL); + if (!parser) + continue; +- ret = mtd_part_do_parse(parser, master, pparts, data); ++ ret = mtd_part_do_parse(parser, master, &pparts, data); + if (ret <= 0) + mtd_part_parser_put(parser); + } + /* Found partitions! */ +- if (ret > 0) +- return 0; ++ if (ret > 0) { ++ err = add_mtd_partitions(master, pparts.parts, ++ pparts.nr_parts); ++ mtd_part_parser_cleanup(&pparts); ++ return err ? err : pparts.nr_parts; ++ } + /* + * Stash the first error we see; only report it if no parser + * succeeds diff --git a/target/linux/generic/pending-4.14/161-mtd-part-add-generic-parsing-of-linux-part-probe.patch b/target/linux/generic/pending-4.14/161-mtd-part-add-generic-parsing-of-linux-part-probe.patch index 6379ff33fd..0e858d93bb 100644 --- a/target/linux/generic/pending-4.14/161-mtd-part-add-generic-parsing-of-linux-part-probe.patch +++ b/target/linux/generic/pending-4.14/161-mtd-part-add-generic-parsing-of-linux-part-probe.patch @@ -104,7 +104,7 @@ Signed-off-by: Hauke Mehrtens #include #include -@@ -864,6 +865,32 @@ void deregister_mtd_parser(struct mtd_pa +@@ -851,6 +852,32 @@ void deregister_mtd_parser(struct mtd_pa EXPORT_SYMBOL_GPL(deregister_mtd_parser); /* @@ -137,8 +137,8 @@ Signed-off-by: Hauke Mehrtens * Do not forget to update 'parse_mtd_partitions()' kerneldoc comment if you * are changing this array! */ -@@ -1007,6 +1034,13 @@ int parse_mtd_partitions(struct mtd_info - { +@@ -991,6 +1018,13 @@ int parse_mtd_partitions(struct mtd_info + struct mtd_partitions pparts = { }; struct mtd_part_parser *parser; int ret, err = 0; + const char *const *types_of = NULL; @@ -151,7 +151,7 @@ Signed-off-by: Hauke Mehrtens if (!types) types = default_mtd_part_types; -@@ -1043,6 +1077,7 @@ int parse_mtd_partitions(struct mtd_info +@@ -1031,6 +1065,7 @@ int parse_mtd_partitions(struct mtd_info if (ret < 0 && !err) err = ret; } diff --git a/target/linux/generic/pending-4.14/400-mtd-add-rootfs-split-support.patch b/target/linux/generic/pending-4.14/400-mtd-add-rootfs-split-support.patch index e722d8ca92..bc2272d26d 100644 --- a/target/linux/generic/pending-4.14/400-mtd-add-rootfs-split-support.patch +++ b/target/linux/generic/pending-4.14/400-mtd-add-rootfs-split-support.patch @@ -60,7 +60,7 @@ Signed-off-by: Felix Fietkau /* * Given a pointer to the MTD object in the mtd_part structure, we can retrieve * the pointer to that structure. -@@ -687,6 +691,7 @@ int mtd_add_partition(struct mtd_info *p +@@ -674,6 +678,7 @@ int mtd_add_partition(struct mtd_info *p mutex_unlock(&mtd_partitions_mutex); add_mtd_device(&new->mtd); @@ -68,7 +68,7 @@ Signed-off-by: Felix Fietkau mtd_add_partition_attrs(new); -@@ -765,6 +770,35 @@ int mtd_del_partition(struct mtd_info *m +@@ -752,6 +757,35 @@ int mtd_del_partition(struct mtd_info *m } EXPORT_SYMBOL_GPL(mtd_del_partition); @@ -104,7 +104,7 @@ Signed-off-by: Felix Fietkau /* * This function, given a master MTD object and a partition table, creates * and registers slave MTD objects which are bound to the master according to -@@ -796,6 +830,7 @@ int add_mtd_partitions(struct mtd_info * +@@ -783,6 +817,7 @@ int add_mtd_partitions(struct mtd_info * mutex_unlock(&mtd_partitions_mutex); add_mtd_device(&slave->mtd); diff --git a/target/linux/generic/pending-4.14/401-mtd-add-support-for-different-partition-parser-types.patch b/target/linux/generic/pending-4.14/401-mtd-add-support-for-different-partition-parser-types.patch index 182d8d4741..7cb336bd18 100644 --- a/target/linux/generic/pending-4.14/401-mtd-add-support-for-different-partition-parser-types.patch +++ b/target/linux/generic/pending-4.14/401-mtd-add-support-for-different-partition-parser-types.patch @@ -9,7 +9,7 @@ Signed-off-by: Gabor Juhos --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c -@@ -1132,6 +1132,62 @@ void mtd_part_parser_cleanup(struct mtd_ +@@ -1120,6 +1120,62 @@ void mtd_part_parser_cleanup(struct mtd_ } } diff --git a/target/linux/generic/pending-4.14/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch b/target/linux/generic/pending-4.14/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch index 26a19b82fd..cfd178e42d 100644 --- a/target/linux/generic/pending-4.14/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch +++ b/target/linux/generic/pending-4.14/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch @@ -10,7 +10,7 @@ Signed-off-by: Gabor Juhos --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c -@@ -770,6 +770,36 @@ int mtd_del_partition(struct mtd_info *m +@@ -757,6 +757,36 @@ int mtd_del_partition(struct mtd_info *m } EXPORT_SYMBOL_GPL(mtd_del_partition); @@ -47,7 +47,7 @@ Signed-off-by: Gabor Juhos #ifdef CONFIG_MTD_SPLIT_FIRMWARE_NAME #define SPLIT_FIRMWARE_NAME CONFIG_MTD_SPLIT_FIRMWARE_NAME #else -@@ -778,6 +808,7 @@ EXPORT_SYMBOL_GPL(mtd_del_partition); +@@ -765,6 +795,7 @@ EXPORT_SYMBOL_GPL(mtd_del_partition); static void split_firmware(struct mtd_info *master, struct mtd_part *part) { @@ -55,7 +55,7 @@ Signed-off-by: Gabor Juhos } void __weak arch_split_mtd_part(struct mtd_info *master, const char *name, -@@ -792,6 +823,12 @@ static void mtd_partition_split(struct m +@@ -779,6 +810,12 @@ static void mtd_partition_split(struct m if (rootfs_found) return; diff --git a/target/linux/generic/pending-4.14/404-mtd-add-more-helper-functions.patch b/target/linux/generic/pending-4.14/404-mtd-add-more-helper-functions.patch index 9b2fcac93d..98732e4c84 100644 --- a/target/linux/generic/pending-4.14/404-mtd-add-more-helper-functions.patch +++ b/target/linux/generic/pending-4.14/404-mtd-add-more-helper-functions.patch @@ -11,7 +11,7 @@ Signed-off-by: Gabor Juhos --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c -@@ -800,6 +800,17 @@ run_parsers_by_type(struct mtd_part *sla +@@ -787,6 +787,17 @@ run_parsers_by_type(struct mtd_part *sla return nr_parts; } @@ -29,7 +29,7 @@ Signed-off-by: Gabor Juhos #ifdef CONFIG_MTD_SPLIT_FIRMWARE_NAME #define SPLIT_FIRMWARE_NAME CONFIG_MTD_SPLIT_FIRMWARE_NAME #else -@@ -1242,6 +1253,24 @@ int mtd_is_partition(const struct mtd_in +@@ -1230,6 +1241,24 @@ int mtd_is_partition(const struct mtd_in } EXPORT_SYMBOL_GPL(mtd_is_partition); diff --git a/target/linux/generic/pending-4.14/411-mtd-partial_eraseblock_write.patch b/target/linux/generic/pending-4.14/411-mtd-partial_eraseblock_write.patch index 9de5fd263c..2fcaec52dc 100644 --- a/target/linux/generic/pending-4.14/411-mtd-partial_eraseblock_write.patch +++ b/target/linux/generic/pending-4.14/411-mtd-partial_eraseblock_write.patch @@ -107,7 +107,7 @@ Signed-off-by: Felix Fietkau if (instr->fail_addr != MTD_FAIL_ADDR_UNKNOWN) instr->fail_addr -= part->offset; -@@ -599,19 +668,22 @@ static struct mtd_part *allocate_partiti +@@ -586,19 +655,22 @@ static struct mtd_part *allocate_partiti remainder = do_div(tmp, wr_alignment); if ((slave->mtd.flags & MTD_WRITEABLE) && remainder) { /* Doesn't start on a boundary of major erase size */ diff --git a/target/linux/generic/pending-4.9/161-mtd-part-add-generic-parsing-of-linux-part-probe.patch b/target/linux/generic/pending-4.9/161-mtd-part-add-generic-parsing-of-linux-part-probe.patch index 5f0fa3a418..e2a0e4887d 100644 --- a/target/linux/generic/pending-4.9/161-mtd-part-add-generic-parsing-of-linux-part-probe.patch +++ b/target/linux/generic/pending-4.9/161-mtd-part-add-generic-parsing-of-linux-part-probe.patch @@ -114,7 +114,7 @@ Signed-off-by: Hauke Mehrtens #include #include -@@ -856,6 +857,42 @@ void deregister_mtd_parser(struct mtd_pa +@@ -843,6 +844,42 @@ void deregister_mtd_parser(struct mtd_pa EXPORT_SYMBOL_GPL(deregister_mtd_parser); /* @@ -157,8 +157,8 @@ Signed-off-by: Hauke Mehrtens * Do not forget to update 'parse_mtd_partitions()' kerneldoc comment if you * are changing this array! */ -@@ -999,6 +1036,13 @@ int parse_mtd_partitions(struct mtd_info - { +@@ -983,6 +1020,13 @@ int parse_mtd_partitions(struct mtd_info + struct mtd_partitions pparts = { }; struct mtd_part_parser *parser; int ret, err = 0; + const char *const *types_of = NULL; @@ -171,7 +171,7 @@ Signed-off-by: Hauke Mehrtens if (!types) types = default_mtd_part_types; -@@ -1035,6 +1079,7 @@ int parse_mtd_partitions(struct mtd_info +@@ -1023,6 +1067,7 @@ int parse_mtd_partitions(struct mtd_info if (ret < 0 && !err) err = ret; } diff --git a/target/linux/generic/pending-4.9/400-mtd-add-rootfs-split-support.patch b/target/linux/generic/pending-4.9/400-mtd-add-rootfs-split-support.patch index ef7a6df3ea..10be7a16ab 100644 --- a/target/linux/generic/pending-4.9/400-mtd-add-rootfs-split-support.patch +++ b/target/linux/generic/pending-4.9/400-mtd-add-rootfs-split-support.patch @@ -60,7 +60,7 @@ Signed-off-by: Felix Fietkau /* * Given a pointer to the MTD object in the mtd_part structure, we can retrieve * the pointer to that structure. -@@ -679,6 +683,7 @@ int mtd_add_partition(struct mtd_info *p +@@ -666,6 +670,7 @@ int mtd_add_partition(struct mtd_info *p mutex_unlock(&mtd_partitions_mutex); add_mtd_device(&new->mtd); @@ -68,7 +68,7 @@ Signed-off-by: Felix Fietkau mtd_add_partition_attrs(new); -@@ -757,6 +762,35 @@ int mtd_del_partition(struct mtd_info *m +@@ -744,6 +749,35 @@ int mtd_del_partition(struct mtd_info *m } EXPORT_SYMBOL_GPL(mtd_del_partition); @@ -104,7 +104,7 @@ Signed-off-by: Felix Fietkau /* * This function, given a master MTD object and a partition table, creates * and registers slave MTD objects which are bound to the master according to -@@ -788,6 +822,7 @@ int add_mtd_partitions(struct mtd_info * +@@ -775,6 +809,7 @@ int add_mtd_partitions(struct mtd_info * mutex_unlock(&mtd_partitions_mutex); add_mtd_device(&slave->mtd); diff --git a/target/linux/generic/pending-4.9/401-mtd-add-support-for-different-partition-parser-types.patch b/target/linux/generic/pending-4.9/401-mtd-add-support-for-different-partition-parser-types.patch index 54cfcb0c36..63affd7eed 100644 --- a/target/linux/generic/pending-4.9/401-mtd-add-support-for-different-partition-parser-types.patch +++ b/target/linux/generic/pending-4.9/401-mtd-add-support-for-different-partition-parser-types.patch @@ -9,7 +9,7 @@ Signed-off-by: Gabor Juhos --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c -@@ -1134,6 +1134,62 @@ void mtd_part_parser_cleanup(struct mtd_ +@@ -1122,6 +1122,62 @@ void mtd_part_parser_cleanup(struct mtd_ } } diff --git a/target/linux/generic/pending-4.9/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch b/target/linux/generic/pending-4.9/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch index 9b406d4688..10d8551482 100644 --- a/target/linux/generic/pending-4.9/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch +++ b/target/linux/generic/pending-4.9/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch @@ -10,7 +10,7 @@ Signed-off-by: Gabor Juhos --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c -@@ -762,6 +762,36 @@ int mtd_del_partition(struct mtd_info *m +@@ -749,6 +749,36 @@ int mtd_del_partition(struct mtd_info *m } EXPORT_SYMBOL_GPL(mtd_del_partition); @@ -47,7 +47,7 @@ Signed-off-by: Gabor Juhos #ifdef CONFIG_MTD_SPLIT_FIRMWARE_NAME #define SPLIT_FIRMWARE_NAME CONFIG_MTD_SPLIT_FIRMWARE_NAME #else -@@ -770,6 +800,7 @@ EXPORT_SYMBOL_GPL(mtd_del_partition); +@@ -757,6 +787,7 @@ EXPORT_SYMBOL_GPL(mtd_del_partition); static void split_firmware(struct mtd_info *master, struct mtd_part *part) { @@ -55,7 +55,7 @@ Signed-off-by: Gabor Juhos } void __weak arch_split_mtd_part(struct mtd_info *master, const char *name, -@@ -784,6 +815,12 @@ static void mtd_partition_split(struct m +@@ -771,6 +802,12 @@ static void mtd_partition_split(struct m if (rootfs_found) return; diff --git a/target/linux/generic/pending-4.9/404-mtd-add-more-helper-functions.patch b/target/linux/generic/pending-4.9/404-mtd-add-more-helper-functions.patch index a08f46c317..076ec314b2 100644 --- a/target/linux/generic/pending-4.9/404-mtd-add-more-helper-functions.patch +++ b/target/linux/generic/pending-4.9/404-mtd-add-more-helper-functions.patch @@ -11,7 +11,7 @@ Signed-off-by: Gabor Juhos --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c -@@ -792,6 +792,17 @@ run_parsers_by_type(struct mtd_part *sla +@@ -779,6 +779,17 @@ run_parsers_by_type(struct mtd_part *sla return nr_parts; } @@ -29,7 +29,7 @@ Signed-off-by: Gabor Juhos #ifdef CONFIG_MTD_SPLIT_FIRMWARE_NAME #define SPLIT_FIRMWARE_NAME CONFIG_MTD_SPLIT_FIRMWARE_NAME #else -@@ -1244,6 +1255,24 @@ int mtd_is_partition(const struct mtd_in +@@ -1232,6 +1243,24 @@ int mtd_is_partition(const struct mtd_in } EXPORT_SYMBOL_GPL(mtd_is_partition); diff --git a/target/linux/generic/pending-4.9/411-mtd-partial_eraseblock_write.patch b/target/linux/generic/pending-4.9/411-mtd-partial_eraseblock_write.patch index 9a585214ed..e925983b30 100644 --- a/target/linux/generic/pending-4.9/411-mtd-partial_eraseblock_write.patch +++ b/target/linux/generic/pending-4.9/411-mtd-partial_eraseblock_write.patch @@ -107,7 +107,7 @@ Signed-off-by: Felix Fietkau if (instr->fail_addr != MTD_FAIL_ADDR_UNKNOWN) instr->fail_addr -= part->offset; -@@ -591,19 +660,22 @@ static struct mtd_part *allocate_partiti +@@ -578,19 +647,22 @@ static struct mtd_part *allocate_partiti remainder = do_div(tmp, wr_alignment); if ((slave->mtd.flags & MTD_WRITEABLE) && remainder) { /* Doesn't start on a boundary of major erase size */ -- 2.30.2