From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga03.intel.com ([143.182.124.21]) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UcaS7-0006yp-TI for linux-mtd@lists.infradead.org; Wed, 15 May 2013 12:05:07 +0000 Message-ID: <1368619642.15764.96.camel@sauron.fi.intel.com> Subject: Re: [PATCH v2 0/4] Export the ecc step size to user applications From: Artem Bityutskiy To: Huang Shijie Date: Wed, 15 May 2013 15:07:22 +0300 In-Reply-To: <1368607606-4344-1-git-send-email-b32955@freescale.com> References: <1368607606-4344-1-git-send-email-b32955@freescale.com> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Cc: linux-mtd@lists.infradead.org, computersforpeace@gmail.com, dwmw2@infradead.org, linux-kernel@vger.kernel.org Reply-To: dedekind1@gmail.com List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Wed, 2013-05-15 at 16:46 +0800, Huang Shijie wrote: > In order to implement the NAND boot for some Freescale's chips, such as > imx23/imx28/imx50/imx6, we use a tool (called kobs-ng) to burn the uboot > and some metadata to nand chip. And the ROM code will use the metadata to > configrate the BCH, and to find the uboot. > > The ECC information(ecc step size, ecc strength) which is used to configrate > the BCH is part of the metadata. The kobs-ng can gets the ecc strength from > the sys node /sys/*/mtdX/ecc_strength now. But it can't gets the ecc step size. Looks good to me. Would you please update Documentation/ABI/testing/sysfs-class-mtd as well? -- Best Regards, Artem Bityutskiy