Re: Bug in MTD NAND ONFI chipsize detection

From: Matthieu CASTET
Date: Thu May 12 2011 - 03:54:36 EST


Hi,


What's the difference between one lun and multiple lun for mtd ?

Aren't any command to select the current lun ?

Matthieu


Nitin Garg a écrit :
> Why isn't my patch going through? re-sending again,
>
> Signed-off-by: Nitin Garg <nitingarg98@xxxxxxxx>
> ---
> drivers/mtd/nand/nand_base.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
> index c54a4cb..cdf6015 100644
> --- a/drivers/mtd/nand/nand_base.c
> +++ b/drivers/mtd/nand/nand_base.c
> @@ -2892,7 +2892,7 @@ static int nand_flash_detect_onfi(struct
> mtd_info *mtd, struct nand_chip *chip,
> mtd->writesize = le32_to_cpu(p->byte_per_page);
> mtd->erasesize = le32_to_cpu(p->pages_per_block) * mtd->writesize;
> mtd->oobsize = le16_to_cpu(p->spare_bytes_per_page);
> - chip->chipsize = (uint64_t)le32_to_cpu(p->blocks_per_lun) * mtd->erasesize;
> + chip->chipsize = (uint64_t)le32_to_cpu(p->blocks_per_lun) *
> le32_to_cpu(p->lun_count) * mtd->erasesize;
> busw = 0;
> if (le16_to_cpu(p->features) & 1)
> busw = NAND_BUSWIDTH_16;
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