From e0b5532579eda8b4629f1b4f6e49c3cc60f52237 Mon Sep 17 00:00:00 2001 From: Ilya Yanok Date: Thu, 13 Nov 2008 19:49:32 +0300 Subject: [PATCH] jffs2: add sector_size field to part_info structure This patch adds sector_size field to part_info structure (used by new JFFS2 code). Signed-off-by: Ilya Yanok --- common/cmd_jffs2.c | 20 +++++++++++++++++--- include/jffs2/load_kernel.h | 1 + 2 files changed, 18 insertions(+), 3 deletions(-) diff --git a/common/cmd_jffs2.c b/common/cmd_jffs2.c index c2caade845..7866c808dd 100644 --- a/common/cmd_jffs2.c +++ b/common/cmd_jffs2.c @@ -339,11 +339,15 @@ static int part_validate_nor(struct mtdids *id, struct part_info *part) extern flash_info_t flash_info[]; flash_info_t *flash; int offset_aligned; - u32 end_offset; + u32 end_offset, sector_size = 0; int i; flash = &flash_info[id->num]; + /* size of last sector */ + part->sector_size = flash->size - + (flash->start[flash->sector_count-1] - flash->start[0]); + offset_aligned = 0; for (i = 0; i < flash->sector_count; i++) { if ((flash->start[i] - flash->start[0]) == part->offset) { @@ -358,12 +362,18 @@ static int part_validate_nor(struct mtdids *id, struct part_info *part) } end_offset = part->offset + part->size; + offset_aligned = 0; for (i = 0; i < flash->sector_count; i++) { + if (i) { + sector_size = flash->start[i] - flash->start[i-1]; + if (part->sector_size < sector_size) + part->sector_size = sector_size; + } if ((flash->start[i] - flash->start[0]) == end_offset) - return 0; + offset_aligned = 1; } - if (flash->size == end_offset) + if (offset_aligned || flash->size == end_offset) return 0; printf("%s%d: partition (%s) size alignment incorrect\n", @@ -389,6 +399,8 @@ static int part_validate_nand(struct mtdids *id, struct part_info *part) nand = &nand_info[id->num]; + part->sector_size = nand->erasesize; + if ((unsigned long)(part->offset) % nand->erasesize) { printf("%s%d: partition (%s) start offset alignment incorrect\n", MTD_DEV_TYPE(id->type), id->num, part->name); @@ -424,6 +436,8 @@ static int part_validate_onenand(struct mtdids *id, struct part_info *part) mtd = &onenand_mtd; + part->sector_size = mtd->erasesize; + if ((unsigned long)(part->offset) % mtd->erasesize) { printf("%s%d: partition (%s) start offset" "alignment incorrect\n", diff --git a/include/jffs2/load_kernel.h b/include/jffs2/load_kernel.h index e9b7d6e7c9..8b2720e951 100644 --- a/include/jffs2/load_kernel.h +++ b/include/jffs2/load_kernel.h @@ -50,6 +50,7 @@ struct part_info { u32 offset; /* offset within device */ void *jffs2_priv; /* used internaly by jffs2 */ u32 mask_flags; /* kernel MTD mask flags */ + u32 sector_size; /* size of sector */ struct mtd_device *dev; /* parent device */ }; -- 2.25.1