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author | Imre Kaloz <kaloz@openwrt.org> | 2015-01-25 15:20:39 +0000 |
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committer | Imre Kaloz <kaloz@openwrt.org> | 2015-01-25 15:20:39 +0000 |
commit | d26694243af236fed09a4b38f3cc68e40ad063b5 (patch) | |
tree | df356ae59718ae0996986ccb61155243098dbc3f /target/linux/generic/patches-3.19/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch | |
parent | a46bb6ec6a0ed6eb56dc2f4551a57e63a7292753 (diff) | |
download | upstream-d26694243af236fed09a4b38f3cc68e40ad063b5.tar.gz upstream-d26694243af236fed09a4b38f3cc68e40ad063b5.tar.bz2 upstream-d26694243af236fed09a4b38f3cc68e40ad063b5.zip |
generic: add preliminary 3.19 support
Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
SVN-Revision: 44126
Diffstat (limited to 'target/linux/generic/patches-3.19/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch')
-rw-r--r-- | target/linux/generic/patches-3.19/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.19/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch b/target/linux/generic/patches-3.19/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch new file mode 100644 index 0000000000..4d994221c5 --- /dev/null +++ b/target/linux/generic/patches-3.19/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch @@ -0,0 +1,72 @@ +--- a/drivers/mtd/mtdpart.c ++++ b/drivers/mtd/mtdpart.c +@@ -641,6 +641,37 @@ 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; ++} ++ + #ifdef CONFIG_MTD_SPLIT_FIRMWARE_NAME + #define SPLIT_FIRMWARE_NAME CONFIG_MTD_SPLIT_FIRMWARE_NAME + #else +@@ -649,6 +680,7 @@ EXPORT_SYMBOL_GPL(mtd_del_partition); + + static void split_firmware(struct mtd_info *master, struct mtd_part *part) + { ++ run_parsers_by_type(part, MTD_PARSER_TYPE_FIRMWARE); + } + + void __weak arch_split_mtd_part(struct mtd_info *master, const char *name, +@@ -663,6 +695,12 @@ static void mtd_partition_split(struct m + if (rootfs_found) + return; + ++ if (!strcmp(part->mtd.name, "rootfs")) { ++ run_parsers_by_type(part, MTD_PARSER_TYPE_ROOTFS); ++ ++ rootfs_found = 1; ++ } ++ + if (!strcmp(part->mtd.name, SPLIT_FIRMWARE_NAME) && + config_enabled(CONFIG_MTD_SPLIT_FIRMWARE)) + split_firmware(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 { |