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kernel: create bootfs partition when parsing on BCM4908

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It's helpful for accessing booting data (DTS, kernel, etc.). It has to
be used carefully as CFE's JFFS2 support is quite dumb. It doesn't
recognize deleted files and has problems handling 0 inode.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
(cherry picked from commit 6dd727ac24fa36ac3f23e9a5cf6781a7d1c6b797)
This commit is contained in:
Rafał Miłecki 2021-03-24 18:20:13 +01:00
parent cb16581df5
commit 76423e2364
1 changed files with 9 additions and 5 deletions
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14
target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_cfe_bootfs.c
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@ -17,7 +17,7 @@
#define je16_to_cpu(x) ((x).v16)
#define je32_to_cpu(x) ((x).v32)
#define NR_PARTS 1
#define NR_PARTS 2
static int mtdsplit_cfe_bootfs_parse(struct mtd_info *mtd,
const struct mtd_partition **pparts,
@ -58,12 +58,16 @@ static int mtdsplit_cfe_bootfs_parse(struct mtd_info *mtd,
if (!parts)
return -ENOMEM;
parts[0].name = "bootfs";
parts[0].offset = 0;
parts[0].size = rootfs_offset;
if (type == MTDSPLIT_PART_TYPE_UBI)
parts[0].name = UBI_PART_NAME;
parts[1].name = UBI_PART_NAME;
else
parts[0].name = ROOTFS_PART_NAME;
parts[0].offset = rootfs_offset;
parts[0].size = mtd->size - rootfs_offset;
parts[1].name = ROOTFS_PART_NAME;
parts[1].offset = rootfs_offset;
parts[1].size = mtd->size - rootfs_offset;
*pparts = parts;