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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9A5DEC0032E for ; Thu, 26 Oct 2023 00:25:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229990AbjJZAZj (ORCPT ); Wed, 25 Oct 2023 20:25:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42878 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229596AbjJZAZg (ORCPT ); Wed, 25 Oct 2023 20:25:36 -0400 Received: from mail-qk1-x736.google.com (mail-qk1-x736.google.com [IPv6:2607:f8b0:4864:20::736]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 03AFADC for ; Wed, 25 Oct 2023 17:25:31 -0700 (PDT) Received: by mail-qk1-x736.google.com with SMTP id af79cd13be357-778927f2dd3so23163985a.2 for ; Wed, 25 Oct 2023 17:25:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1698279930; x=1698884730; darn=vger.kernel.org; h=in-reply-to:mime-version:user-agent:date:message-id:from:references :to:subject:from:to:cc:subject:date:message-id:reply-to; bh=a2b/ku1+Sw3xOizaYywQ3EvRci43aeTLTqJr9EggU0M=; b=SqA+5NJNep8eERi7yi07l7+HkIh9F34MMMwLjVkEzNWFgrMlTZTVXoZP8GuPSyTIxy KQys4ageYVBb6O4cUb2tOmXEvwXfqobA2M3cp0EmlVpgGYEMFlJt+wiSOCvH9m2tmA2O RMkHdZVZX/9Uld7ZPfeV91L8JpjdxJndjxykw= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1698279930; x=1698884730; h=in-reply-to:mime-version:user-agent:date:message-id:from:references :to:subject:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=a2b/ku1+Sw3xOizaYywQ3EvRci43aeTLTqJr9EggU0M=; b=J8tjeO0PAvLGmYRy80z6r5B81wKgy/V4jSOZjSaTy+2lpyNFtlyhls4ITKjpU7HKuV 7oV7uauxS3VtBMhm+R1Pe04+Av3w/tHCk0J8Kywa74l2mfrT8bh6rPdqgIzg0dGzHmR7 e43QUp0tWtYwoQXDwed6UokmlS0vzS23Tu3e0dMIThRB4EQHSQAsyyWVKCYczbVf2W6X RzVEXM/Jdca/+meSsBq2lXySaI9wLjrEGOEXfb8v1c4mz2PL8GHKo4Pz+fgs+j4py4ya hRLAiV/hMw0yoFbAzDULJsIcFTd2ToidXUWgWgNjZnlHa4odCdNb+Y0tDNmwmuZ5h97g Crwg== X-Gm-Message-State: AOJu0Yw7MPxtdhXnNKrv3j3xzNr2Thdew6dRRED3oiSfhBmKEjNIijeo l2h2CTgkTJYiK+MDrGfBUKQBXA== X-Google-Smtp-Source: AGHT+IESD2GYwNqM3LnSq8FW1oBWodGUGywL/zCAMUNVVYRQy6OcnTHQSXCbaYiA41h1XO+4KSQq0w== X-Received: by 2002:a05:620a:2444:b0:774:2c5c:557e with SMTP id h4-20020a05620a244400b007742c5c557emr15060750qkn.1.1698279930096; Wed, 25 Oct 2023 17:25:30 -0700 (PDT) Received: from bcacpedev-irv-3.lvn.broadcom.net ([192.19.161.250]) by smtp.gmail.com with ESMTPSA id c6-20020a05620a11a600b007756f60bcacsm4598340qkk.79.2023.10.25.17.25.27 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 25 Oct 2023 17:25:29 -0700 (PDT) Subject: Re: [PATCH v4 1/4] mtd: rawnand: Add destructive operation To: dregan@broadcom.com, bcm-kernel-feedback-list@broadcom.com, linux-mtd@lists.infradead.org, f.fainelli@gmail.com, rafal@milecki.pl, joel.peshkin@broadcom.com, computersforpeace@gmail.com, dan.beygelman@broadcom.com, frieder.schrempf@kontron.de, linux-kernel@vger.kernel.org, vigneshr@ti.com, richard@nod.at, bbrezillon@kernel.org, kdasu.kdev@gmail.com, JaimeLiao , Adam Borowski References: <20231023171444.322311-1-dregan@broadcom.com> From: William Zhang Message-ID: <15d09a16-249b-55a9-55ab-8bfa66c7e4de@broadcom.com> Date: Wed, 25 Oct 2023 17:25:15 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 In-Reply-To: <20231023171444.322311-1-dregan@broadcom.com> Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="000000000000fa9cbe0608939bf1" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --000000000000fa9cbe0608939bf1 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit On 10/23/2023 10:14 AM, dregan@broadcom.com wrote: > From: Boris Brezillon > > Erase and program operations need the write protect (wp) pin to be > de-asserted to take effect. Add the concept of destructive > operation and pass the information to exec_op() so controllers know > when they should de-assert this pin without having to decode > the command opcode. > > Signed-off-by: Boris Brezillon > Signed-off-by: David Regan > --- > Changes in v4: none > > Changes in v3: updated comments and email address > > Changes in v2: gave credit to Boris Brezillon > --- > drivers/mtd/nand/raw/nand_base.c | 6 ++++-- > include/linux/mtd/rawnand.h | 9 +++++++++ > 2 files changed, 13 insertions(+), 2 deletions(-) > Reviewed-by: William Zhang --000000000000fa9cbe0608939bf1 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIIQcAYJKoZIhvcNAQcCoIIQYTCCEF0CAQExDzANBglghkgBZQMEAgEFADALBgkqhkiG9w0BBwGg gg3HMIIFDTCCA/WgAwIBAgIQeEqpED+lv77edQixNJMdADANBgkqhkiG9w0BAQsFADBMMSAwHgYD 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