diff options
| -rw-r--r-- | drivers/mtd/nand/nand_base.c | 10 | ||||
| -rw-r--r-- | drivers/mtd/nand/nand_bbt.c | 5 | ||||
| -rw-r--r-- | include/linux/mtd/nand.h | 4 |
3 files changed, 11 insertions, 8 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index bb2e24b2d6c..3a9a8fc6a36 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -344,7 +344,7 @@ static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip) struct nand_chip *chip = mtd->priv; u16 bad; - if (chip->options & NAND_BBT_SCANLASTPAGE) + if (chip->bbt_options & NAND_BBT_SCANLASTPAGE) ofs += mtd->erasesize - mtd->writesize; page = (int)(ofs >> chip->page_shift) & chip->pagemask; @@ -396,7 +396,7 @@ static int nand_default_block_markbad(struct mtd_info *mtd, loff_t ofs) uint8_t buf[2] = { 0, 0 }; int block, ret, i = 0; - if (chip->options & NAND_BBT_SCANLASTPAGE) + if (chip->bbt_options & NAND_BBT_SCANLASTPAGE) ofs += mtd->erasesize - mtd->writesize; /* Get block number */ @@ -426,7 +426,7 @@ static int nand_default_block_markbad(struct mtd_info *mtd, loff_t ofs) i++; ofs += mtd->writesize; - } while (!ret && (chip->options & NAND_BBT_SCAN2NDPAGE) && + } while (!ret && (chip->bbt_options & NAND_BBT_SCAN2NDPAGE) && i < 2); nand_release_device(mtd); @@ -3117,7 +3117,7 @@ ident_done: if ((chip->cellinfo & NAND_CI_CELLTYPE_MSK) && (*maf_id == NAND_MFR_SAMSUNG || *maf_id == NAND_MFR_HYNIX)) - chip->options |= NAND_BBT_SCANLASTPAGE; + chip->bbt_options |= NAND_BBT_SCANLASTPAGE; else if ((!(chip->cellinfo & NAND_CI_CELLTYPE_MSK) && (*maf_id == NAND_MFR_SAMSUNG || *maf_id == NAND_MFR_HYNIX || @@ -3125,7 +3125,7 @@ ident_done: *maf_id == NAND_MFR_AMD)) || (mtd->writesize == 2048 && *maf_id == NAND_MFR_MICRON)) - chip->options |= NAND_BBT_SCAN2NDPAGE; + chip->bbt_options |= NAND_BBT_SCAN2NDPAGE; /* Check for AND chips with 4 page planes */ if (chip->options & NAND_4PAGE_ARRAY) diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c index 5ffb9a4632c..5df01d8efd9 100644 --- a/drivers/mtd/nand/nand_bbt.c +++ b/drivers/mtd/nand/nand_bbt.c @@ -517,7 +517,7 @@ static int create_bbt(struct mtd_info *mtd, uint8_t *buf, from = (loff_t)startblock << (this->bbt_erase_shift - 1); } - if (this->options & NAND_BBT_SCANLASTPAGE) + if (this->bbt_options & NAND_BBT_SCANLASTPAGE) from += mtd->erasesize - (mtd->writesize * len); for (i = startblock; i < numblocks;) { @@ -1301,7 +1301,6 @@ static struct nand_bbt_descr bbt_mirror_no_bbt_descr = { .pattern = mirror_pattern }; -#define BBT_SCAN_OPTIONS (NAND_BBT_SCANLASTPAGE | NAND_BBT_SCAN2NDPAGE) /** * nand_create_default_bbt_descr - [Internal] Creates a BBT descriptor structure * @this: NAND chip to create descriptor for @@ -1324,7 +1323,7 @@ static int nand_create_default_bbt_descr(struct nand_chip *this) printk(KERN_ERR "nand_create_default_bbt_descr: Out of memory\n"); return -ENOMEM; } - bd->options = this->options & BBT_SCAN_OPTIONS; + bd->options = this->bbt_options; bd->offs = this->badblockpos; bd->len = (this->options & NAND_BUSWIDTH_16) ? 2 : 1; bd->pattern = scan_ff_pattern; diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index c2b9ac4fbc4..42f70e2d33a 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -449,6 +449,9 @@ struct nand_buffers { * @options: [BOARDSPECIFIC] various chip options. They can partly * be set to inform nand_scan about special functionality. * See the defines for further explanation. + * @bbt_options: [INTERN] bad block specific options. All options used + * here must come from bbm.h. By default, these options + * will be copied to the appropriate nand_bbt_descr's. * @badblockpos: [INTERN] position of the bad block marker in the oob * area. * @badblockbits: [INTERN] number of bits to left-shift the bad block @@ -509,6 +512,7 @@ struct nand_chip { int chip_delay; unsigned int options; + unsigned int bbt_options; int page_shift; int phys_erase_shift; |