From mboxrd@z Thu Jan  1 00:00:00 1970
From: b32955@freescale.com (Huang Shijie)
Date: Tue, 12 Jun 2012 14:17:37 +0800
Subject: [PATCH] MXS: Add DENX M28 dts file
In-Reply-To: <201206111259.36917.marex@denx.de>
References: <1338084735-12083-1-git-send-email-marex@denx.de>
 <20120611054500.GB2552@S2101-09.ap.freescale.net>
 <4FD58891.7050609@freescale.com> <201206111259.36917.marex@denx.de>
Message-ID: <4FD6DF01.4000809@freescale.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

? 2012?06?11? 18:59, Marek Vasut ??:
> Dear Huang Shijie,
>
>> ? 2012?06?11? 13:45, Shawn Guo ??:
>>> On Fri, Jun 08, 2012 at 09:03:09PM +0200, Marek Vasut wrote:
>>>>> I just applied Huang's gpmi changes below.  Can you please rebase the
>>>>> the patch on top of it?  If you have the same pin setup as imx28-evk,
>>>>> we can save above data completely.
>>>>>
>>>>> http://thread.gmane.org/gmane.linux.ports.arm.kernel/169351
>>>> Well, GPMI NAND doens't work for me (AGAIN). Screw this, I'm not
>>>> debuging it for the third damn time only to be told to rebase it again
>>>> and that all I did was for naught. Sorry
>>> Hmm, I was told by Huang that GPMI NAND works for him.  As I do not
>> sorry. It can not works now. :(
>>
>> There is a bug in the GPMI-NAND driver( i guess).
>>
>> The pinmux, clocks, IO resources are all correct.
>> And the ECC read page/ ECC write page are ok too.
>>
>> But the UBIFS can not works.
> I sent you that link ... it might be the problem you're facing. And if it isn't,
> then you should fix that too, since you're depending on undefined behavior
> there.
>
thanks for your link. But it's not the root cause.

The ECC read-page/write-page are _NOT_ stable. They can fail in some 
unknown cases.

Best Regards
Huang Shijie

>> I am debugging it now.
>>
>> Huang Shijie
>>
>>> have NAND device to play, can you guys aligned here?
> Best regards,
> Marek Vasut
>