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| author | Gabor Juhos <juhosg@openwrt.org> | 2013-09-21 17:55:30 +0000 |
|---|---|---|
| committer | Gabor Juhos <juhosg@openwrt.org> | 2013-09-21 17:55:30 +0000 |
| commit | 3b71cd94bc9517bc25267dccb393b07d4b54564e (patch) | |
| tree | 51642bd92bfe3d3ed2f331208897fa4170012fcd | |
| parent | 6f2b80dff10c3d70844994fb4b76d3a8e450f22a (diff) | |
| download | upstream-3b71cd94bc9517bc25267dccb393b07d4b54564e.tar.gz upstream-3b71cd94bc9517bc25267dccb393b07d4b54564e.tar.bz2 upstream-3b71cd94bc9517bc25267dccb393b07d4b54564e.zip | |
kernel/3.10: allow to use partition parsers for rootfs and firmware split
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
SVN-Revision: 38108
| -rw-r--r-- | target/linux/generic/patches-3.10/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.10/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch b/target/linux/generic/patches-3.10/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch new file mode 100644 index 0000000000..a614094851 --- /dev/null +++ b/target/linux/generic/patches-3.10/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch @@ -0,0 +1,75 @@ +--- a/drivers/mtd/mtdpart.c ++++ b/drivers/mtd/mtdpart.c +@@ -627,6 +627,37 @@ 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, &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->master, ++ parts[i].name, ++ parts[i].offset, ++ parts[i].size, ++ false); ++ } ++ ++ kfree(parts); ++ ++ return nr_parts; ++} ++ + static inline unsigned long + mtd_pad_erasesize(struct mtd_info *mtd, int offset, int len) + { +@@ -686,6 +717,10 @@ static void split_rootfs_data(struct mtd + unsigned int split_size; + int ret; + ++ ret = run_parsers_by_type(part, MTD_PARSER_TYPE_ROOTFS); ++ if (ret > 0) ++ return; ++ + ret = split_squashfs(master, part->offset, &split_offset); + if (ret) + return; +@@ -735,6 +770,12 @@ static void split_uimage(struct mtd_info + + static void split_firmware(struct mtd_info *master, struct mtd_part *part) + { ++ int ret; ++ ++ ret = run_parsers_by_type(part, MTD_PARSER_TYPE_FIRMWARE); ++ if (ret > 0) ++ return; ++ + if (config_enabled(CONFIG_MTD_UIMAGE_SPLIT)) + split_uimage(master, part); + } +--- a/include/linux/mtd/partitions.h ++++ b/include/linux/mtd/partitions.h +@@ -70,6 +70,8 @@ struct mtd_part_parser_data { + + enum mtd_parser_type { + MTD_PARSER_TYPE_DEVICE = 0, ++ MTD_PARSER_TYPE_ROOTFS, ++ MTD_PARSER_TYPE_FIRMWARE, + }; + + struct mtd_part_parser { |