target/linux/generic/pending-4.19/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch

   1 From: Gabor Juhos <juhosg@openwrt.org>
   2 Subject: kernel/3.10: allow to use partition parsers for rootfs and firmware split
   3
   4 lede-commit: 3b71cd94bc9517bc25267dccb393b07d4b54564e
   5 Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
   6 ---
   7  drivers/mtd/mtdpart.c          | 37 +++++++++++++++++++++++++++++++++++++
   8  include/linux/mtd/partitions.h |  2 ++
   9  2 files changed, 39 insertions(+)
  10
  11 --- a/drivers/mtd/mtdpart.c
  12 +++ b/drivers/mtd/mtdpart.c
  13 @@ -748,6 +748,7 @@ run_parsers_by_type(struct mtd_part *sla
  14
  15  static void split_firmware(struct mtd_info *master, struct mtd_part *part)
  16  {
  17 +       run_parsers_by_type(part, MTD_PARSER_TYPE_FIRMWARE);
  18  }
  19
  20  static void mtd_partition_split(struct mtd_info *master, struct mtd_part *part)
  21 @@ -757,6 +758,12 @@ static void mtd_partition_split(struct m
  22         if (rootfs_found)
  23                 return;
  24
  25 +       if (!strcmp(part->mtd.name, "rootfs")) {
  26 +               run_parsers_by_type(part, MTD_PARSER_TYPE_ROOTFS);
  27 +
  28 +               rootfs_found = 1;
  29 +       }
  30 +
  31         if (IS_ENABLED(CONFIG_MTD_SPLIT_FIRMWARE) &&
  32             !strcmp(part->mtd.name, SPLIT_FIRMWARE_NAME) &&
  33             !of_find_property(mtd_get_of_node(&part->mtd), "compatible", NULL))
  34 --- a/include/linux/mtd/partitions.h
  35 +++ b/include/linux/mtd/partitions.h
  36 @@ -75,6 +75,8 @@ struct mtd_part_parser_data {
  37
  38  enum mtd_parser_type {
  39         MTD_PARSER_TYPE_DEVICE = 0,
  40 +       MTD_PARSER_TYPE_ROOTFS,
  41 +       MTD_PARSER_TYPE_FIRMWARE,
  42  };
  43
  44  struct mtd_part_parser {