From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752546AbbHRG46 (ORCPT ); Tue, 18 Aug 2015 02:56:58 -0400 Received: from eu-smtp-delivery-143.mimecast.com ([207.82.80.143]:60213 "EHLO eu-smtp-delivery-143.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751394AbbHRG44 convert rfc822-to-8bit (ORCPT ); Tue, 18 Aug 2015 02:56:56 -0400 Date: Tue, 18 Aug 2015 14:56:49 +0800 From: Huang Shijie To: Han Xu Cc: dwmw2@infradead.org, computersforpeace@gmail.com, boris.brezillon@free-electrons.com, fabio.estevam@freescale.com, hofrat@osadl.org, linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, vinod.koul@intel.com, dan.j.williams@intel.com, dmaengine@vger.kernel.org Subject: Re: [PATCH v2 5/6] mtd: nand: gpmi: correct bitflip for erased NAND page Message-ID: <20150818065649.GC10641@free64-pc.asiapac.arm.com> References: <1439868301-24937-1-git-send-email-b45815@freescale.com> MIME-Version: 1.0 In-Reply-To: <1439868301-24937-1-git-send-email-b45815@freescale.com> User-Agent: Mutt/1.5.23 (2014-03-12) X-OriginalArrivalTime: 18 Aug 2015 06:56:53.0827 (UTC) FILETIME=[10B95930:01D0D983] X-MC-Unique: PWosPtXdSFu-1TRUt6gBpg-1 Content-Type: text/plain; charset=WINDOWS-1252 Content-Transfer-Encoding: 8BIT Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Aug 17, 2015 at 10:25:01PM -0500, Han Xu wrote: > i.MX6QP and i.MX7D BCH module integrated a new feature to detect the > bitflip number for erased NAND page. So for these two platform, set the > erase threshold to gf/2 and if bitflip detected, GPMI driver will > correct the data to all 0xFF. > > Signed-off-by: Han Xu Thanks to the hardware guys! They makes the code much clear and simple. Acked-by: Huang Shijie