diff options
| author | Felix Fietkau <nbd@nbd.name> | 2017-01-27 14:32:10 +0100 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2017-02-04 20:28:14 +0100 |
| commit | f791fb4af45032a653ba7c850f4564923871cb16 (patch) | |
| tree | c1fc4e564c8e27faad582e5b55a9ce91816a241c /target/linux/generic/patches-4.9/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch | |
| parent | 7d00cfe9bb693e376ac9d035e13f8ce8a5ff572c (diff) | |
| download | upstream-f791fb4af45032a653ba7c850f4564923871cb16.tar.gz upstream-f791fb4af45032a653ba7c850f4564923871cb16.tar.bz2 upstream-f791fb4af45032a653ba7c850f4564923871cb16.zip | |
kernel: add linux 4.9 support
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Tim Harvey <tharvey@gateworks.com> [fixes]
Diffstat (limited to 'target/linux/generic/patches-4.9/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch')
| -rw-r--r-- | target/linux/generic/patches-4.9/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.9/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch b/target/linux/generic/patches-4.9/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch new file mode 100644 index 0000000000..5bb69cffa9 --- /dev/null +++ b/target/linux/generic/patches-4.9/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch @@ -0,0 +1,71 @@ +--- a/drivers/mtd/mtdpart.c ++++ b/drivers/mtd/mtdpart.c +@@ -687,6 +687,36 @@ 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->master, ++ 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 +@@ -695,6 +725,7 @@ 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, +@@ -709,6 +740,12 @@ 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) && + IS_ENABLED(CONFIG_MTD_SPLIT_FIRMWARE)) + split_firmware(master, part); +--- a/include/linux/mtd/partitions.h ++++ b/include/linux/mtd/partitions.h +@@ -66,6 +66,8 @@ 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 { |