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 E1029C433EF for ; Fri, 8 Jul 2022 21:28:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240496AbiGHV2f (ORCPT ); Fri, 8 Jul 2022 17:28:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44142 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238607AbiGHV2d (ORCPT ); Fri, 8 Jul 2022 17:28:33 -0400 Received: from mail-pl1-f170.google.com (mail-pl1-f170.google.com [209.85.214.170]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8A780263B; Fri, 8 Jul 2022 14:28:32 -0700 (PDT) Received: by mail-pl1-f170.google.com with SMTP id c13so13576321pla.6; Fri, 08 Jul 2022 14:28:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:references:from:in-reply-to :content-transfer-encoding; bh=6NTD4xLbZPqjPWWJ0DuB06V+4hPmWY+3PuoifGzyETc=; b=Zqg3T70GDxUBthTlcq5IomUp7XAxhCuEFrtyqtp35YqzU/wf83BYEUjaYKErkdkdoE gUgCVOfR8hILJoTHCb3hthEd9n0Sxu9JmQb1FHzmrEv4xOqlPNYFctf0on5QCGWAbcS8 KVeCogcVSEzQnRj88C1pgg0EWgNpUGZ9lprGaxFemkjmTJVwRI4xCYWLRclg8Q2tE53g UfNyN9LwdFIjaejOSg55tcBYvhLcBYD40ESSTLauKFBPkQtwRiaTpB6c1BqVefcEgxPf 4MhPpdRCKowNTWLgsIbNN4OabT5ZGjy9EHOl77LU5F3RqsQnbN/P6ZvTm3LrN7FJRQrj 5eEA== X-Gm-Message-State: AJIora8L8QvwnBSvUIvMHwA62hpurmz5EvHC5bY8m4KBH9ZMRRC3rRKf BBTfL5FYOFnX5CZvi9D/WF4= X-Google-Smtp-Source: AGRyM1uPHQMFfBbkYyWzWFmKHmlQ3rKpH7AouQ6slIGmcfHVZNYC3mY3frpm4CTqq5JGLwIryPlAxA== X-Received: by 2002:a17:90b:1805:b0:1ed:1391:c8b7 with SMTP id lw5-20020a17090b180500b001ed1391c8b7mr2127251pjb.193.1657315711864; Fri, 08 Jul 2022 14:28:31 -0700 (PDT) Received: from ?IPV6:2601:647:4000:d7:feaa:14ff:fe9d:6dbd? ([2601:647:4000:d7:feaa:14ff:fe9d:6dbd]) by smtp.gmail.com with ESMTPSA id l21-20020a17090af8d500b001ef7fd7954esm2098453pjd.20.2022.07.08.14.28.30 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 08 Jul 2022 14:28:31 -0700 (PDT) Message-ID: <1ad26d79-9f5c-9b53-6904-7d7fd53fac2f@acm.org> Date: Fri, 8 Jul 2022 14:28:29 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.10.0 Subject: Re: [RESEND PATCH v3] scsi: ufs: exclude UECxx from SFR dump list Content-Language: en-US To: Kiwoong Kim , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, alim.akhtar@samsung.com, avri.altman@wdc.com, jejb@linux.ibm.com, martin.petersen@oracle.com, beanhuo@micron.com, cang@codeaurora.org, adrian.hunter@intel.com, sc.suh@samsung.com, hy50.seo@samsung.com, sh425.lee@samsung.com, bhoon95.kim@samsung.com, vkumar.1997@samsung.com References: <1647338162-75639-1-git-send-email-kwmad.kim@samsung.com> From: Bart Van Assche In-Reply-To: <1647338162-75639-1-git-send-email-kwmad.kim@samsung.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 3/15/22 02:56, Kiwoong Kim wrote: > These are ROC type things that means their values > are cleared when the SFRs are read. Is this behavior specific to the Exynos controller or is this behavior required by the UFSHCI specification? In the latter case, can you tell me where to find this requirement in the UFSHCI specification? I haven't found that requirement yet. Maybe this means that I overlooked something? Thanks, Bart.