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Tue, 18 Jun 2019 21:44:30 -0700 (PDT) Date: Tue, 18 Jun 2019 22:44:24 -0600 From: Naga Sureshkumar Relli To: Miquel Raynal Subject: Re: [LINUX PATCH v12 3/3] mtd: rawnand: arasan: Add support for Arasan NAND Flash Controller Message-ID: <20190619044424.GB28766@xhdnagasure40.xilinx.com> References: <20181212100931.149b0cac@xps13> <20181212141825.69711c57@xps13> <20181217174114.24196d17@xps13> <20181219152647.76f77711@xps13> <20190128102720.70a52da7@xps13> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190128102720.70a52da7@xps13> User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190618_214432_707897_537170D1 X-CRM114-Status: GOOD ( 14.36 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "robh@kernel.org" , "martin.lund@keep-it-simple.com" , "richard@nod.at" , Michal Simek , "linux-kernel@vger.kernel.org" , Boris Brezillon , Naga Sureshkumar Relli , "nagasuresh12@gmail.com" , "linux-mtd@lists.infradead.org" , "computersforpeace@gmail.com" , "dwmw2@infradead.org" , "marek.vasut@gmail.com" Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org On Mon, Jan 28, 2019 at 10:27:39AM +0100, Miquel Raynal wrote: Hi Miquel, > Hi Naga, > = > Naga Sureshkumar Relli wrote on Mon, 28 Jan 2019 > 06:04:53 +0000: > = > > Hi Boris & Miquel, > > = > > Could you please provide your thoughts on this driver to support HW-ECC? > > As I said previously, there is no way to detect errors beyond N bit. > > I am ok to update the driver based on your inputs. > = > We won't support the ECC engine. It simply cannot be used reliably. > = > I am working on a generic ECC engine object. It's gonna take a few > months until it gets merged but after that you could update the > controller driver to drop any ECC-related function. Although the ECC Could you please let me know that, when can we expect generic ECC engine update in mtd NAND? Based on that, i will plan to update the ARASAN NAND driver along with your comments mentioned above under this update, as you know there is a limiation in ARASAN NAND controller to detect ECC errors. i am following this series https://patchwork.kernel.org/patch/10838705/ Thanks, Naga Sureshkumar Relli > engine part is blocking, raw access still look wrong and the driver > still needs changes. > = > = > Thanks, > Miqu=E8l > = > ______________________________________________________ > Linux MTD discussion mailing list > http://lists.infradead.org/mailman/listinfo/linux-mtd/ ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/