linux-kernel - Re: [PATCH] mtd: kill MTD_NAND_VERIFY_WRITE

Open Source and information security mailing list archives

Date:	Wed, 15 Aug 2012 16:54:05 +0800
From:	Huang Shijie <b32955@...escale.com>
To:	Shmulik Ladkani <shmulik.ladkani@...il.com>
CC:	Huang Shijie <shijie8@...il.com>, <linux-mtd@...ts.infradead.org>,
	<dwmw2@...radead.org>, <linux-kernel@...r.kernel.org>,
	<dedekind1@...il.com>
Subject: Re: [PATCH] mtd: kill MTD_NAND_VERIFY_WRITE

于 2012年08月15日 15:06, Shmulik Ladkani 写道:
> Hi Huang,
>
> On Tue, 14 Aug 2012 22:38:45 -0400 Huang Shijie<shijie8@...il.com>  wrote:
>> diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
>> index 588e989..0ca7257 100644
>> --- a/drivers/mtd/nand/Kconfig
>> +++ b/drivers/mtd/nand/Kconfig
>> @@ -22,15 +22,6 @@ menuconfig MTD_NAND
>>
>>   if MTD_NAND
>>
>> -config MTD_NAND_VERIFY_WRITE
>> -	bool "Verify NAND page writes"
>> -	help
>> -	  This adds an extra check when data is written to the flash. The
>> -	  NAND flash device internally checks only bits transitioning
>> -	  from 1 to 0. There is a rare possibility that even though the
>> -	  device thinks the write was successful, a bit could have been
>> -	  flipped accidentally due to device wear or something else.
>> -
> There are some defconfig files which set CONFIG_MTD_NAND_VERIFY_WRITE.
>
> I guess you should submit an accompanying patch that removes
> CONFIG_MTD_NAND_VERIFY_WRITE from all defconfig files.
>
thanks a lot.

I will send out a separate patch to fix it.

Huang Shijie
> (also, trimmed the CC list for this specific discussion, seems unrelated
> to all of the parties)
>
> Regards,
> Shmulik
>
> ______________________________________________________
> Linux MTD discussion mailing list
> http://lists.infradead.org/mailman/listinfo/linux-mtd/
>

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