From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <4F03BCE1.80006@freescale.com> Date: Wed, 4 Jan 2012 10:43:45 +0800 From: Huang Shijie MIME-Version: 1.0 To: Wolfram Sang Subject: Re: [PATCH v2] MTD/GPMI bugfix : reset the BCH module when it is not MX23 References: <1325233646-3343-1-git-send-email-b32955@freescale.com> <20111230143658.GA9141@pengutronix.de> <4EFE7236.10609@freescale.com> <20111231154338.GA27544@pengutronix.de> <20120101223335.GA3756@pengutronix.de> <20120103111114.GA9083@pengutronix.de> In-Reply-To: <20120103111114.GA9083@pengutronix.de> Content-Type: text/plain; charset="GB2312" Content-Transfer-Encoding: 7bit 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 , linux-arm-kernel@lists.infradead.org, LW@karo-electronics.de List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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