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From: Huang Shijie <b32955@freescale.com>
To: Wolfram Sang <w.sang@pengutronix.de>
Cc: baruch@tkos.co.il, koen.beel.barco@gmail.com,
	marek.vasut@gmail.com, linux-mtd@lists.infradead.org,
	Artem.Bityutskiy@intel.com, Huang Shijie <shijie8@gmail.com>,
	linux-arm-kernel@lists.infradead.org, LW@karo-electronics.de
Subject: Re: [PATCH v2] MTD/GPMI bugfix : reset the BCH module when it is not MX23
Date: Wed, 4 Jan 2012 10:43:45 +0800	[thread overview]
Message-ID: <4F03BCE1.80006@freescale.com> (raw)
In-Reply-To: <20120103111114.GA9083@pengutronix.de>

hi,
> Due to Errata #2847 of the MX23, the BCH cannot be soft reset on this
> chip, otherwise it will lock up. So we skip resetting BCH on the MX23.
> On the other hand, the MX28 needs the reset, because one case has been
> seen where the BCH produced ECC errors constantly after 10000
> consecutive reboots. The latter case has not been seen on the MX23 yet,
> still we don't if it could happen there as well.
>
> ===
>
> What do you think?
>
ok, thanks. I will add this comment to the patch.

Huang Shijie

      reply	other threads:[~2012-01-04  2:43 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-12-30  8:27 [PATCH v2] MTD/GPMI bugfix : reset the BCH module when it is not MX23 Huang Shijie
2011-12-30 14:01 ` Marek Vasut
2011-12-30 14:36 ` Wolfram Sang
2011-12-31  2:23   ` Huang Shijie
2011-12-31  3:15     ` Marek Vasut
2011-12-31  3:31       ` Huang Shijie
2011-12-31  4:45         ` Marek Vasut
2011-12-31 15:43     ` Wolfram Sang
2012-01-01 15:23       ` Huang Shijie
2012-01-01 22:33         ` Wolfram Sang
2012-01-03  2:30           ` Huang Shijie
2012-01-03 11:11             ` Wolfram Sang
2012-01-04  2:43               ` Huang Shijie [this message]

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