From mboxrd@z Thu Jan  1 00:00:00 1970
From: tony@atomide.com (Tony Lindgren)
Date: Mon, 8 Feb 2016 12:26:46 -0800
Subject: [PATCH] ARM: OMAP2+: Fix onenand initialization to avoid
 filesystem corruption
In-Reply-To: <56B8F71A.7090102@gmail.com>
References: <linux-kernel@vger.kernel.org>
 <1454683028-4193-1-git-send-email-ivo.g.dimitrov.75@gmail.com>
 <20160208193644.GU19432@atomide.com> <56B8F71A.7090102@gmail.com>
Message-ID: <20160208202646.GA19432@atomide.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

* Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com> [160208 12:15]:
> Hi
> 
> On  8.02.2016 21:36, Tony Lindgren wrote:
> >
> >OK. So probably the INT or RDY polarity made the ECC not work.
> >
> 
> Well, ECC disable bit (ONENAND_SYS_CFG1_NO_ECC) was set as well, so most
> probably it was the bugger :)

Oh OK that explains.

> >Aaro, care to dump out also the nolo configured CFG1 value from
> >n8x0 and n9(50)?
> >
> >You can do it by adding something like this to the beginning
> >of set_onenand_cfg():
> >
> 
> Also, do not forget to restore HWMOD_INIT_NO_RESET in gpmc_hwmod in question
> and (maybe) revert e7b11dc7b77bfce0a351230a5feeadc1d0bba997.

Probably just enabling CONFIG_OMAP_GPMC_DEBUG allows dumping
the GPMC configuration. And it sounds like it's a good idea
to have this patch enabled.

Regards,

Tony