From: Bo Shen <voice.shen@atmel.com>
To: Raphael Poggi <poggi.raph@gmail.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 1/2] mtd: atmel_nand: increase chip_delay
Date: Thu, 17 Jul 2014 18:02:50 +0800 [thread overview]
Message-ID: <53C79F4A.2030407@atmel.com> (raw)
In-Reply-To: <1405587095-23308-2-git-send-email-poggi.raph@gmail.com>
Hi Raphael,
On 07/17/2014 04:51 PM, Raphael Poggi wrote:
> Some nand like Micron MT29F32G08ABAAAWP need more than 20us.
>
> Signed-off-by: Raphaël Poggi <poggi.raph@gmail.com>
Acked-by: Bo Shen <voice.shen@atmel.com>
> ---
> drivers/mtd/nand/atmel_nand.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
> index 3161e89..a02f38f 100644
> --- a/drivers/mtd/nand/atmel_nand.c
> +++ b/drivers/mtd/nand/atmel_nand.c
> @@ -1162,7 +1162,7 @@ static int __init atmel_nand_probe(struct device_d *dev)
> nand_chip->ecc.mode = NAND_ECC_HW;
> }
>
> - nand_chip->chip_delay = 20; /* 20us command delay time */
> + nand_chip->chip_delay = 40; /* 40us command delay time */
>
> if (IS_ENABLED(CONFIG_NAND_ECC_BCH) &&
> pdata->ecc_mode == NAND_ECC_SOFT_BCH) {
>
Best Regards,
Bo Shen
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next prev parent reply other threads:[~2014-07-17 10:03 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-17 8:51 [PATCH 0/2] mtd: atmel_nand: add support for 8k page nand Raphael Poggi
2014-07-17 8:51 ` [PATCH 1/2] mtd: atmel_nand: increase chip_delay Raphael Poggi
2014-07-17 10:02 ` Bo Shen [this message]
2014-07-17 8:51 ` [PATCH 2/2] mtd: atmel_nand: enable PMECC for 8k page nand Raphael Poggi
2014-07-17 10:05 ` Bo Shen
2014-07-17 11:45 ` Raphaël Poggi
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