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Date: Fri, 27 Jun 2008 23:02:43 +0400
From: Anton Vorontsov <avorontsov@ru.mvista.com>
To: Scott Wood <scottwood@freescale.com>
Subject: Re: [PATCH] MTD: NAND: fsl_elbc_nand: implement support for
	flash-based BBT
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Cc: linux-mtd@lists.infradead.org, David Woodhouse <dwmw2@infradead.org>,
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On Fri, Jun 27, 2008 at 11:29:36AM -0500, Scott Wood wrote:
> Anton Vorontsov wrote:
>> On Fri, Jun 27, 2008 at 10:30:34AM -0500, Scott Wood wrote:
>>> Anton Vorontsov wrote:
>>>> Just looked into x16 LP NAND spec, and it says that block should be
>>>> considered as bad when the first _Word_ isn't 0xff. So we indeed should
>>>> not ignore the second byte. Ouch.
>>> The FCM doesn't support 16-bit devices.
>>
>> And will never support? 
>
> It's a hardware limitation in current chips (see the manual description  
> of BRn[PS]), though upon further looking it seems that it may be  
> supported in the future.
>
>> Then maybe, in addition, we could apply the first
>> patch that you've acked so we'll unbreak NANDs for pour souls that tried
>> to reflash the JFFS2 into NAND, so that they'll will not have to
>> "nand scrub" their NANDs?
>
> OK -- we can limit it to 8-bit chips once 16-bit support is added to the  
> driver.

Great. So.. the final patchset.

-- 
Anton Vorontsov
email: cbouatmailru@gmail.com
irc://irc.freenode.net/bd2