Received: by 2002:a05:6902:102b:0:0:0:0 with SMTP id x11csp1507479ybt; Mon, 15 Jun 2020 02:01:41 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwYCwMmvyN4HHlshfBklrcOJEn96nRu6yxwL33FsYTD6yh/YRupO5zdMm7/4VCHKMi+lJ0K X-Received: by 2002:aa7:c607:: with SMTP id h7mr23456527edq.214.1592211701225; Mon, 15 Jun 2020 02:01:41 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1592211701; cv=none; d=google.com; s=arc-20160816; b=j0HrwLkPxQMDt6zh9dKnBY+8IpGhA328lAE7tAHdIEOSbKbhcKwkMhCj1CuUfrv5oL 2jg9SMXMROg17CVcKI1W9VoiMr+K6nO6lvF9ZMiWBpHWU4FopL3wj3EY3vWC12+auK6k a12SeLWPER0ICWGixOFdyQDH6TnRk1G5cRlIxcaK2pFAm8TBInYyGyK5FZe+ZMszVNBb YQnoQetQu3WuFhaatS1EI+C9laogO5HxQ1O4AOzUVIEIz5KKc+2BnSFVDLpBlQY81Cq0 19V7jE2bCEauFwx4C5446kXQTjeG/qMvwEJsdycutSSnIyKJHwY7srfpL/mUo1suCnY7 Nf0g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=psJlrhgAxs44NqovbyIm8CO9QhEXywBH0aUt8z+wsao=; b=y0gVMo4DIsPIpJMmlegXm8YGrrfmmsIP76y7dN9q1yjXrGAvsrJDbZHUQSr+FzcKnR Lh0XcPFUl4/zkh+F2Sqj5ZU77noMtsymJG5t1WSb9ySKUT0u0lTbwk+RIXZcwEgRXvBA /mpB255yVr415RIRkIHqazg7OmrentQ7pHJM7XIG0tzwPMMxPecha71A8LX8HNuVEML5 H3dnF4Y8X5w567M7Kw4KwyP3BAbeG2UbyqVXQD7g6Dgt3ds/L8cI0fA6WpLRtorapuxz 8wdqDm0jDbb9n6yk+I6/JvsHXZ5CEihYjivVZkVrGzBNQQ2YUh6RCoNlcTpSYtLWX22n 9Mmg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id lh7si9080764ejb.106.2020.06.15.02.01.18; Mon, 15 Jun 2020 02:01:41 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729106AbgFOI7a (ORCPT + 99 others); Mon, 15 Jun 2020 04:59:30 -0400 Received: from relay12.mail.gandi.net ([217.70.178.232]:38947 "EHLO relay12.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728496AbgFOI7a (ORCPT ); Mon, 15 Jun 2020 04:59:30 -0400 Received: from localhost.localdomain (unknown [91.224.148.103]) (Authenticated sender: miquel.raynal@bootlin.com) by relay12.mail.gandi.net (Postfix) with ESMTPSA id 43EF6200015; Mon, 15 Jun 2020 08:59:27 +0000 (UTC) From: Miquel Raynal To: Kamal Dasu , computersforpeace@gmail.com, miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com Cc: bcm-kernel-feedback-list@broadcom.com, linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 2/2] mtd: rawnand: brcmnand: ECC error handling on EDU transfers Date: Mon, 15 Jun 2020 10:59:25 +0200 Message-Id: <20200615085925.22266-1-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200612212902.21347-3-kdasu.kdev@gmail.com> References: MIME-Version: 1.0 X-linux-mtd-patch-notification: thanks X-linux-mtd-patch-commit: 33d5c3d07abfc06a44fba577cec76fe8099a0cdc Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2020-06-12 at 21:29:02 UTC, Kamal Dasu wrote: > Implement ECC correctable and uncorrectable error handling for EDU > reads. If ECC correctable bitflips are encountered on EDU transfer, > read page again using PIO. This is needed due to a NAND controller > limitation where corrected data is not transferred to the DMA buffer > on ECC error. This applies to ECC correctable errors that are reported > by the controller hardware based on set number of bitflips threshold in > the controller threshold register, bitflips below the threshold are > corrected silently and are not reported by the controller hardware. > > Fixes: a5d53ad26a8b ("mtd: rawnand: brcmnand: Add support for flash-edu for dma transfers") > Signed-off-by: Kamal Dasu Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks. Miquel