From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marek Vasut <marek.vasut@gmail.com>
Date: Fri, 4 Nov 2011 14:30:33 +0100
Subject: [U-Boot] [PATCH 09/17 RESEND V5] iMX28: Add GPMI NAND driver
In-Reply-To: <4EB3E4EA.9080509@bluegiga.com>
References: <1315800409-19876-1-git-send-email-marek.vasut@gmail.com>
	<1319237066-14954-10-git-send-email-marek.vasut@gmail.com>
	<4EB3E4EA.9080509@bluegiga.com>
Message-ID: <201111041430.33835.marek.vasut@gmail.com>
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To: u-boot@lists.denx.de

> Hi Marek,
> 
> On 10/22/2011 01:44 AM, Marek Vasut wrote:
> > diff --git a/drivers/mtd/nand/mxs_nand.c b/drivers/mtd/nand/mxs_nand.c
> > new file mode 100644
> > index 0000000..ce2a326
> > --- /dev/null
> > +++ b/drivers/mtd/nand/mxs_nand.c
> 
> <snip>
> 
> > +	nand->options |= NAND_NO_SUBPAGE_WRITE;
> 
> I think we should change this a little bit. Unluckily I don't know what
> is the best way to fix it. As far as I have understood, the
> NAND_NO_SUBPAGE_WRITE is a chip option, not for a driver.
> 
> At nand_base.c is
> chip->options &= ~NAND_CHIPOPTIONS_MSK;
> chip->options |= type->options & NAND_CHIPOPTIONS_MSK;
> so the bit is masked out anyway and subpages are enabled.
> 
> After that UBI tries to read VID header at 512 by default. I had to use
> "ubi part root 2048" to override it. Besides of that driver seems to
> work fine.

Can you please supply me with the commands that trigger such bug and the 
resulting problem you then see? So I can reproduce it and fix it? Thanks!
> 
> --
> Veli-Pekka Peltola
> Bluegiga Technologies