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author | Rafał Miłecki <zajec5@gmail.com> | 2015-02-12 07:23:40 +0000 |
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committer | Rafał Miłecki <zajec5@gmail.com> | 2015-02-12 07:23:40 +0000 |
commit | 5673e0b703a1cb5037c8763dc7d9ea8e5c51ced4 (patch) | |
tree | 25d532eda956c07350a7f3017f10c0d013ead834 /target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_uimage.c | |
parent | 1aed104c80567a88bf408401a1cb58309cebbe8a (diff) | |
download | master-31e0f0ae-5673e0b703a1cb5037c8763dc7d9ea8e5c51ced4.tar.gz master-31e0f0ae-5673e0b703a1cb5037c8763dc7d9ea8e5c51ced4.tar.bz2 master-31e0f0ae-5673e0b703a1cb5037c8763dc7d9ea8e5c51ced4.zip |
kernel: mtdsplit_uimage: add parser for Edimax devices
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
SVN-Revision: 44413
Diffstat (limited to 'target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_uimage.c')
-rw-r--r-- | target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_uimage.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_uimage.c b/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_uimage.c index fa89f33ac0..04a0eb47d7 100644 --- a/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_uimage.c +++ b/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_uimage.c @@ -295,10 +295,63 @@ static struct mtd_part_parser uimage_netgear_parser = { .type = MTD_PARSER_TYPE_FIRMWARE, }; +/************************************************** + * Edimax + **************************************************/ + +#define FW_EDIMAX_OFFSET 20 +#define FW_MAGIC_EDIMAX 0x43535953 + +static ssize_t uimage_find_edimax(u_char *buf, size_t len) +{ + struct uimage_header *header; + + if (len < FW_EDIMAX_OFFSET + sizeof(*header)) { + pr_err("Buffer too small for checking Edimax header\n"); + return -ENOSPC; + } + + header = (struct uimage_header *)(buf + FW_EDIMAX_OFFSET); + + switch be32_to_cpu(header->ih_magic) { + case FW_MAGIC_EDIMAX: + break; + default: + return -EINVAL; + } + + if (header->ih_os != IH_OS_LINUX || + header->ih_type != IH_TYPE_FILESYSTEM) + return -EINVAL; + + return FW_EDIMAX_OFFSET; +} + +static int +mtdsplit_uimage_parse_edimax(struct mtd_info *master, + struct mtd_partition **pparts, + struct mtd_part_parser_data *data) +{ + return __mtdsplit_parse_uimage(master, pparts, data, + uimage_find_edimax); +} + +static struct mtd_part_parser uimage_edimax_parser = { + .owner = THIS_MODULE, + .name = "edimax-fw", + .parse_fn = mtdsplit_uimage_parse_edimax, + .type = MTD_PARSER_TYPE_FIRMWARE, +}; + +/************************************************** + * Init + **************************************************/ + static int __init mtdsplit_uimage_init(void) { register_mtd_parser(&uimage_generic_parser); register_mtd_parser(&uimage_netgear_parser); + register_mtd_parser(&uimage_edimax_parser); return 0; } |