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| author | Álvaro Fernández Rojas <noltari@gmail.com> | 2023-06-14 23:21:34 +0200 |
|---|---|---|
| committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2023-06-15 11:39:09 +0200 |
| commit | 753be3837f80c63f7db62588feeac76fbe433158 (patch) | |
| tree | e7df70f4278b9fabc542f8c1aab8e27428ecba2b | |
| parent | 4a281a778999776b9e4c86288152630c6d3db27b (diff) | |
| download | upstream-753be3837f80c63f7db62588feeac76fbe433158.tar.gz upstream-753be3837f80c63f7db62588feeac76fbe433158.tar.bz2 upstream-753be3837f80c63f7db62588feeac76fbe433158.zip | |
kernel: mtd: bcm-wfi: add cferam name support
Some devices rename cferam bootloader using specific patterns and don't follow
broadcom standards for renaming cferam files. This requires supporting
different cferam file names.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
(cherry picked from commit 8813edd8d9695d4e3939fdaa3c530c682f91de11)
| -rw-r--r-- | target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_bcm_wfi.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_bcm_wfi.c b/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_bcm_wfi.c index 1ddcf6745f..1cafc91fde 100644 --- a/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_bcm_wfi.c +++ b/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_bcm_wfi.c @@ -31,6 +31,7 @@ #define CFERAM_NAME "cferam" #define CFERAM_NAME_LEN (sizeof(CFERAM_NAME) - 1) +#define CFERAM_NAME_MAX_LEN 32 #define KERNEL_NAME "vmlinux.lz" #define KERNEL_NAME_LEN (sizeof(KERNEL_NAME) - 1) #define OPENWRT_NAME "1-openwrt" @@ -157,17 +158,28 @@ static int parse_bcm_wfi(struct mtd_info *master, const struct mtd_partition **pparts, uint8_t *buf, loff_t off, loff_t size, bool cfe_part) { + struct device_node *mtd_node; struct mtd_partition *parts; loff_t cfe_off, kernel_off, rootfs_off; unsigned int num_parts = BCM_WFI_PARTS, cur_part = 0; + const char *cferam_name = CFERAM_NAME; + size_t cferam_name_len; int ret; + mtd_node = mtd_get_of_node(master); + if (mtd_node) + of_property_read_string(mtd_node, "brcm,cferam", &cferam_name); + + cferam_name_len = strnlen(cferam_name, CFERAM_NAME_MAX_LEN); + if (cferam_name_len > 0) + cferam_name_len--; + if (cfe_part) { num_parts++; cfe_off = off; - ret = jffs2_find_file(master, buf, CFERAM_NAME, - CFERAM_NAME_LEN, &cfe_off, + ret = jffs2_find_file(master, buf, cferam_name, + cferam_name_len, &cfe_off, size - (cfe_off - off), NULL, NULL); if (ret) return ret; |