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mtd: nand: add the "bits per cell" info for legacy ID NAND 

The legacy ID NAND are all SLC.
This patch sets 1 to the @bits_per_cell for the legacy ID NAND,
which means they are all SLC.

Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
Huang Shijie 2013-09-25 14:58:12 +08:00 committed by Brian Norris
parent 7db906b79f
commit 1c195e909c
1 changed files with 3 additions and 0 deletions
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3
drivers/mtd/nand/nand_base.c
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@ -3238,6 +3238,9 @@ static void nand_decode_id(struct mtd_info *mtd, struct nand_chip *chip,
mtd->oobsize = mtd->writesize / 32;
*busw = type->options & NAND_BUSWIDTH_16;
/* 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