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| author | Felix Fietkau <nbd@nbd.name> | 2021-02-03 20:37:03 +0100 |
|---|---|---|
| committer | Daniel Golle <daniel@makrotopia.org> | 2021-02-28 00:46:11 +0000 |
| commit | 7a6d0748247e23fe976bc400e9802db903d20b47 (patch) | |
| tree | eefdaf6630efb50e17ab5c88feaaa0cfb45ecd96 /target/linux | |
| parent | e230345bbce2f7045989ccf388fa8aa9a9e962d1 (diff) | |
| download | upstream-7a6d0748247e23fe976bc400e9802db903d20b47.tar.gz upstream-7a6d0748247e23fe976bc400e9802db903d20b47.tar.bz2 upstream-7a6d0748247e23fe976bc400e9802db903d20b47.zip | |
kernel: add support for enabling fit firmware partition parser via cmdline
This is useful for dual-boot setups where the loader sets variables depending
on the flash boot partition.
For example the Linksys E8450 sets mtdparts=master for the first partition
and mtdparts=slave for the second one.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'target/linux')
| -rw-r--r-- | target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_fit.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_fit.c b/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_fit.c index 67ee33d085..5cc1658dbd 100644 --- a/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_fit.c +++ b/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_fit.c @@ -49,6 +49,8 @@ mtdsplit_fit_parse(struct mtd_info *mtd, const struct mtd_partition **pparts, struct mtd_part_parser_data *data) { + struct device_node *np = mtd_get_of_node(mtd); + const char *cmdline_match = NULL; struct fdt_header hdr; size_t hdr_len, retlen; size_t offset; @@ -57,6 +59,10 @@ mtdsplit_fit_parse(struct mtd_info *mtd, struct mtd_partition *parts; int ret; + of_property_read_string(np, "openwrt,cmdline-match", &cmdline_match); + if (cmdline_match && !strstr(saved_command_line, cmdline_match)) + return -ENODEV; + hdr_len = sizeof(struct fdt_header); /* Parse the MTD device & search for the FIT image location */ |