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authorRafał Miłecki <zajec5@gmail.com>2014-10-27 18:14:39 +0000
committerRafał Miłecki <zajec5@gmail.com>2014-10-27 18:14:39 +0000
commit1c45c113c4aee13ca5a5cc30f357d2072a14b5e7 (patch)
tree89a6f12673d11ed2a89ac083a6c93ce47dad831c /target/linux/generic/patches-3.18/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch
parentac7e9e859bb08a7d8a9c82bed1d08abbf57b5ace (diff)
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kernel: start working on 3.18 support
This commit: 1) Copies 3.14 patches 2) Drops mainlined stuff 3) Modifies some patches to apply Signed-off-by: Rafał Miłecki <zajec5@gmail.com> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43093 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic/patches-3.18/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch')
-rw-r--r--target/linux/generic/patches-3.18/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch77
1 files changed, 77 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.18/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch b/target/linux/generic/patches-3.18/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch
new file mode 100644
index 0000000000..0c335683ca
--- /dev/null
+++ b/target/linux/generic/patches-3.18/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch
@@ -0,0 +1,77 @@
+--- 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;
++}
++
+ static inline unsigned long
+ mtd_pad_erasesize(struct mtd_info *mtd, int offset, int len)
+ {
+@@ -686,6 +717,12 @@ 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);
+ }
+@@ -702,6 +739,12 @@ 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 {