From: Thomas Gleixner <tglx@linutronix.de>
To: Paul <paul@maypaul.com>, linux-mtd@lists.infradead.org
Subject: Re: Restore the bad block flag in OOB of NAND flash
Date: Thu, 17 Apr 2003 21:14:31 +0200 [thread overview]
Message-ID: <200304172114.31896.tglx@linutronix.de> (raw)
In-Reply-To: <001201c30505$c4b83dd0$6c00a8c0@home>
On Thursday 17 April 2003 19:21, Paul wrote:
> Dear All,
>
> How can I restore the 0xFF in the OOB[5]? i understood the oob[5] is
> the bad block indicator. The YAFFS set accidentally the byte to 0x00 . I
> want to use JFFS2 but the eraseall command said they are invalid block. I
> am
> sure that the block is health . So, I want to force set the oob[5] to
> oxFF, pls. how can i do? Thank you.
There is no "legal" way to do so. The only way is to erase it. The sanity
check is in erase function drivers/mtd/nand/nand.c.
But think about, if it's worth do so for 16KiB flash memory :)
--
Thomas
________________________________________________________________________
linutronix - competence in embedded & realtime linux
http://www.linutronix.de
mail: tglx@linutronix.de
next prev parent reply other threads:[~2003-04-17 18:15 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-17 17:21 Restore the bad block flag in OOB of NAND flash Paul
2003-04-17 19:14 ` Thomas Gleixner [this message]
2003-04-17 20:49 ` Charles Manning
2003-04-17 22:20 ` Thomas Gleixner
2003-04-18 3:44 ` Paul Wong
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