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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EB243C46CCD for ; Tue, 19 Dec 2023 10:55:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=C4UJQE9NuIwWdDqQpcclO73Oxt0YNU2cQaVI//PQN3g=; b=DJjmYvUBuwi+wKKtCrkQ66J2ZX MFewDP4CEGcHz9k+9M2bD/GPNf6rJksnh5TzQ2U1J5LuGzoWZROBtY2aQOy4pPbEpyeshAEvW8PwY kdxJjtrqctyIubGKRZuTYIYqQR/0m8TmjhXv5FW7dBsUDNh9YZISFeD0BmuXGLihXZ7pr/v5WWs4Y AfPJ5ExEOrgEtioN6wGZj1pcfqqM2KWR4yJmiJT6HE7lQpcTGdKL2DGPqNEPHymmy68Zyrt+MdV/n jnkh/Soye+J0NGeeludmvFMgtD6Ainl1oF25YB+cTaoisdbw2QBIXAeksc0RxCdVLj0caavXaOJ9q 6AhRZj6w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rFXlB-00Dcdk-2R; Tue, 19 Dec 2023 10:55:37 +0000 Received: from madrid.collaboradmins.com ([46.235.227.194]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rFXl7-00DcdB-2V; Tue, 19 Dec 2023 10:55:35 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1702983332; bh=iOGS8KTi6FaODnR4ZId4OaEZT91XmT9apSzLGmTKjtU=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=X+Km4emorWJJEvkdcSuMCT1aKHzTK9HTmAPLP6D8PPautMVen+tfGNA5449kO29Zv U8+OyfhxoPdJj2TLana6gHOcnYRwCed7T/tPKBrDARAkDmxyFZ/QxQXPl659/sx53l I3MonnRDfPfSZR0kgUX55RPbSMN4/gnR0/NGhjr0XivWpemyINp9NYTR1VaFroyb6e Q3J7s/BM3639dqZrztTJo8Scp1Q15fmWKJDRsEjRrAKmengZ3J4Hyv7JhpOqVIOrKI 0yege23FjUthwxZrSV4NyXOO/hvGaiIWBk9GkCLVQ0Dw6FvzsDE0OfRZNGHzBFezF0 M13iyvff5cCzw== Received: from [100.113.186.2] (cola.collaboradmins.com [195.201.22.229]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madrid.collaboradmins.com (Postfix) with ESMTPSA id 5875A3781476; Tue, 19 Dec 2023 10:55:31 +0000 (UTC) Message-ID: <716db737-940a-4a28-bd54-b1dce76174d2@collabora.com> Date: Tue, 19 Dec 2023 11:55:30 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] mmc: add wp_grp_size node Content-Language: en-US To: Bo Ye , avri.altman@wdc.com, dominique.martinet@atmark-techno.com, rafael.beims@toradex.com, vincent.whitchurch@axis.com, Ulf Hansson , Matthias Brugger Cc: yongdong.zhang@mediatek.com, "lin.gui" , linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org References: <20231218224832.81347-1-bo.ye@mediatek.com> <20231218230532.82427-1-bo.ye@mediatek.com> From: AngeloGioacchino Del Regno In-Reply-To: <20231218230532.82427-1-bo.ye@mediatek.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231219_025533_971524_8762DF78 X-CRM114-Status: UNSURE ( 9.76 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Il 19/12/23 00:05, Bo Ye ha scritto: > From: "lin.gui" > > Detail: > Add node "wp_grp_size", corresponding to WP_GRP_SIZE > (write protect group size) of eMMC's CSD register. > > Scenario: > The eMMC card can be set into write-protected mode to > prevent data from being accidentally modified or deleted. > Wp_grp_size (Write Protect Group Size) refers to an > attribute of the eMMC card, used to manage write protection, > and is the CSD register [36:32] of the eMMC device. > Wp_grp_size (Write Protect Group Size) indicates how many > eMMC blocks are contained in each write protection group on the eMMC card. > > Final rendered file: > "/sys/class/mmc_host/mmc0/mmc0:0001/wp_grp_size" > > Signed-off-by: Lin Gui > Signed-off-by: Bo Ye Reviewed-by: AngeloGioacchino Del Regno