diff options
Diffstat (limited to 'drivers/mtd/onenand/onenand_bbt.c')
| -rw-r--r-- | drivers/mtd/onenand/onenand_bbt.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/mtd/onenand/onenand_bbt.c b/drivers/mtd/onenand/onenand_bbt.c index d13d2777e2..dde11ae45f 100644 --- a/drivers/mtd/onenand/onenand_bbt.c +++ b/drivers/mtd/onenand/onenand_bbt.c @@ -68,6 +68,7 @@ static int create_bbt(struct mtd_info *mtd, uint8_t * buf, int startblock; loff_t from; size_t readlen, ooblen; + struct mtd_oob_ops ops; printk(KERN_INFO "Scanning device for bad blocks\n"); @@ -85,25 +86,26 @@ static int create_bbt(struct mtd_info *mtd, uint8_t * buf, startblock = 0; from = 0; + ops.mode = MTD_OOB_PLACE; + ops.ooblen = readlen; + ops.oobbuf = buf; + ops.len = ops.ooboffs = ops.retlen = ops.oobretlen = 0; + for (i = startblock; i < numblocks;) { int ret; for (j = 0; j < len; j++) { - size_t retlen; - /* No need to read pages fully, * just read required OOB bytes */ - ret = onenand_read_oob(mtd, + ret = onenand_bbt_read_oob(mtd, from + j * mtd->writesize + - bd->offs, readlen, &retlen, - &buf[0]); + bd->offs, &ops); - if (ret && ret != -EAGAIN) { - printk("ret = %d\n", ret); - return ret; - } + /* If it is a initial bad block, just ignore it */ + if (ret == ONENAND_BBT_READ_FATAL_ERROR) + return -EIO; - if (check_short_pattern + if (ret || check_short_pattern (&buf[j * scanlen], scanlen, mtd->writesize, bd)) { bbm->bbt[i >> 3] |= 0x03 << (i & 0x6); printk(KERN_WARNING |