From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7CDE1C0044D for ; Thu, 12 Mar 2020 01:55:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9E99320739 for ; Thu, 12 Mar 2020 01:55:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387575AbgCLBz5 convert rfc822-to-8bit (ORCPT ); Wed, 11 Mar 2020 21:55:57 -0400 Received: from twhmllg4.macronix.com ([122.147.135.202]:61305 "EHLO TWHMLLG4.macronix.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387501AbgCLBz5 (ORCPT ); Wed, 11 Mar 2020 21:55:57 -0400 Received: from twhfm1p2.macronix.com (twhfmlp2.macronix.com [172.17.20.92]) by TWHMLLG4.macronix.com with ESMTP id 02C1tnkR070601; Thu, 12 Mar 2020 09:55:49 +0800 (GMT-8) (envelope-from masonccyang@mxic.com.tw) Received: from MXML06C.mxic.com.tw (mxml06c.macronix.com [172.17.14.55]) by Forcepoint Email with ESMTP id 4AE79B81C5CC582C2882; Thu, 12 Mar 2020 09:55:49 +0800 (CST) In-Reply-To: <20200311084541.28ff4829@xps13> References: <1581922600-25461-1-git-send-email-masonccyang@mxic.com.tw> <1581922600-25461-3-git-send-email-masonccyang@mxic.com.tw> <20200311084541.28ff4829@xps13> To: "Miquel Raynal" Cc: allison@lohutok.net, devicetree@vger.kernel.org, frieder.schrempf@kontron.de, juliensu@mxic.com.tw, linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, mark.rutland@arm.com, richard@nod.at, robh+dt@kernel.org, tglx@linutronix.de, vigneshr@ti.com, yuehaibing@huawei.com Subject: Re: [PATCH v5 2/2] dt-bindings: mtd: Document Macronix NAND device bindings MIME-Version: 1.0 X-KeepSent: E7ABBA9B:10FD1630-48258529:000A8752; type=4; name=$KeepSent X-Mailer: Lotus Notes Release 8.5.3FP4 SHF90 June 10, 2013 Message-ID: From: masonccyang@mxic.com.tw Date: Thu, 12 Mar 2020 09:55:49 +0800 X-MIMETrack: Serialize by Router on MXML06C/TAIWAN/MXIC(Release 9.0.1FP10 HF265|July 25, 2018) at 2020/03/12 AM 09:55:49, Serialize complete at 2020/03/12 AM 09:55:49 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 8BIT X-MAIL: TWHMLLG4.macronix.com 02C1tnkR070601 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Hi Miquel, > Mason Yang wrote on Mon, 17 Feb 2020 14:56:40 > +0800: > > > Document the bindings used by the Macronix NAND device. > > > > Signed-off-by: Mason Yang > > Reviewed-by: Rob Herring > > --- > > .../devicetree/bindings/mtd/nand-macronix.txt | 28 ++++++++++++++++++++++ > > 1 file changed, 28 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/mtd/nand-macronix.txt > > > > diff --git a/Documentation/devicetree/bindings/mtd/nand-macronix.txt b/ > Documentation/devicetree/bindings/mtd/nand-macronix.txt > > new file mode 100644 > > index 0000000..1d7a895 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/mtd/nand-macronix.txt > > @@ -0,0 +1,28 @@ > > +Macronix NANDs Device Tree Bindings > > +----------------------------------- > > + > > +Macronix NANDs support randomizer operation for user data scrambled, > > +which can be enabled with a SET_FEATURE. The penalty of randomizer are > > +subpage accesses prohibited and more time period is needed in program > > +operation, i.e., tPROG 300us to 340us(randomizer enabled). > > +Randomizer enabled is a one time persistent and non reversible operatoin. > > + > > +For more high-reliability concern, if subpage write not available with > > +hardware ECC and filesystem and then to enable randomizer is recommended > > +by default. > > + > > +By adding a new specific property in children nodes to enable > > +randomizer function. > > I also reworded slightly this text when applying. ok,sure. > > > Thanks, > Miquèl thanks for your time & review. Mason CONFIDENTIALITY NOTE: This e-mail and any attachments may contain confidential information and/or personal data, which is protected by applicable laws. Please be reminded that duplication, disclosure, distribution, or use of this e-mail (and/or its attachments) or any part thereof is prohibited. 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