linux-kernel - Re: Bug in MTD NAND ONFI chipsize detection

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Message-ID: <BANLkTik37R8tSxc9_qmBT5a2m9mAA_2XKQ@mail.gmail.com>
Date:	Thu, 12 May 2011 07:34:26 -0500
From:	Nitin Garg <nitingarg98@...il.com>
To:	Matthieu CASTET <matthieu.castet@...rot.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	"linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
	David Woodhouse <dwmw2@...radead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Bug in MTD NAND ONFI chipsize detection

I do not see any diff for mtd.

Regards,
Nitin

On Thu, May 12, 2011 at 2:47 AM, Matthieu CASTET
<matthieu.castet@...rot.com> wrote:
> 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@...xxxxx>
>> ---
>>  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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