diff options
Diffstat (limited to 'drivers/mtd/nand/nand_base.c')
| -rw-r--r-- | drivers/mtd/nand/nand_base.c | 18 |
1 files changed, 1 insertions, 17 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index f45e3bbe5f85..a9060bcb9eb5 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -3825,8 +3825,6 @@ EXPORT_SYMBOL_GPL(nand_decode_ext_id); static void nand_decode_id(struct nand_chip *chip, struct nand_flash_dev *type) { struct mtd_info *mtd = nand_to_mtd(chip); - u8 *id_data = chip->id.data; - int maf_id = id_data[0]; mtd->erasesize = type->erasesize; mtd->writesize = type->pagesize; @@ -3834,19 +3832,6 @@ static void nand_decode_id(struct nand_chip *chip, struct nand_flash_dev *type) /* All legacy ID NAND are small-page, SLC */ chip->bits_per_cell = 1; - - /* - * Check for Spansion/AMD ID + repeating 5th, 6th byte since - * some Spansion chips have erasesize that conflicts with size - * listed in nand_ids table. - * Data sheet (5 byte ID): Spansion S30ML-P ORNAND (p.39) - */ - if (maf_id == NAND_MFR_AMD && id_data[4] != 0x00 && id_data[5] == 0x00 - && id_data[6] == 0x00 && id_data[7] == 0x00 - && mtd->writesize == 512) { - mtd->erasesize = 128 * 1024; - mtd->erasesize <<= ((id_data[3] & 0x03) << 1); - } } /* @@ -3872,8 +3857,7 @@ static void nand_decode_bbm_options(struct nand_chip *chip) * Micron devices with 2KiB pages and on SLC Samsung, Hynix, Toshiba, * AMD/Spansion, and Macronix. All others scan only the first page. */ - if (nand_is_slc(chip) && - (maf_id == NAND_MFR_AMD || maf_id == NAND_MFR_MACRONIX)) + if (nand_is_slc(chip) && maf_id == NAND_MFR_MACRONIX) chip->bbt_options |= NAND_BBT_SCAN2NDPAGE; } |