linux-kernel - Re: [PATCH v2] mtd: nand: support for Toshiba BENAND (Built-in ECC NAND)

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Date:	Tue, 16 Jun 2015 22:37:55 +0900
From:	KOBAYASHI Yoshitake <yoshitake.kobayashi@...hiba.co.jp>
To:	Paul Bolle <pebolle@...cali.nl>
Cc:	dwmw2@...radead.org, computersforpeace@...il.com,
	linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] mtd: nand: support for Toshiba BENAND (Built-in ECC
 NAND)

On 2015/06/12 17:11, Paul Bolle wrote:
> On Fri, 2015-06-12 at 01:00 +0900, KOBAYASHI Yoshitake wrote:
>> diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
>> index 5897d8d..050f0e9 100644
>
>> +config MTD_NAND_BENAND
>> +	tristate
>> +	depends on MTD_NAND_BENAND_ENABLE
>> +	default MTD_NAND
>> +
>> +config MTD_NAND_BENAND_ENABLE
>> +	bool "Support for Toshiba BENAND (Built-in ECC NAND)"
>> +	default y
>
> Why do you default to 'y'?

Setting the config to 'y' will not affect the SLCNAND operation.
I thought it is common to use BENAND and other vendor SLCNAND together
in the same model with same software build.

>> --- /dev/null
>> +++ b/drivers/mtd/nand/nand_benand.c
>
>> +EXPORT_SYMBOL(nand_benand_status_chk);
>
> I didn't spot any users of nand_benand_status_chk() outside of this
> file. Why is this export needed?

I agree with you. Thanks for checking.
I will delete this in next patch.

  -- Yoshi

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