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=-7.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 D9DBAC433E0 for ; Tue, 4 Aug 2020 18:43:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CE99521744 for ; Tue, 4 Aug 2020 18:43:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728097AbgHDSnH (ORCPT ); Tue, 4 Aug 2020 14:43:07 -0400 Received: from mail-pj1-f68.google.com ([209.85.216.68]:54526 "EHLO mail-pj1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727812AbgHDSnG (ORCPT ); Tue, 4 Aug 2020 14:43:06 -0400 Received: by mail-pj1-f68.google.com with SMTP id mt12so2929634pjb.4; Tue, 04 Aug 2020 11:43:06 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:autocrypt :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=p9np+eKKP43n3qbBWouR6lSQzP6T8lD1PCULhcRMsYc=; b=SYd9V8PzAb+wTDbRote4MLiSM4G5JQoJwVpyI6j4ijsTSHt81SETiV3F9o7YmeZmYU IHlvRQV+Pr3aaWXJfUx3NfLJz/HqiElQT9ifUClCS7ScwgCCL2W5Yi24RRQ424PH5x1F E1n0MbJprkITSRyYoz7NhIj2k6vrvArTtrsIo5dPbNwQ+RLb94SJla7XrFBYDr850DZ4 l/JhM5plqdT2WbxruF1HqTD4nkGapbrUhIF6boQd3xVu9NaCslGtoDzASTbmma4iazy8 T2coqRYuVdsSMxNu/Z3ckgunKHT3dkgAgtNigY+PEAT+7lI8RvqU17xtVbkQr8mK9FPs fD0Q== X-Gm-Message-State: AOAM531XZI9HetQPQyK3QVpezdSi4cKzvtiZTfNiVjImzOsFtuGOojXM 9NnHorrnX/VmljTl2g7Ocmk= X-Google-Smtp-Source: ABdhPJzK5NDqDIaBe60YIfskP8ilC2R7cAT7BSUhyu5OAx1ZCYsF4HPUKNi0uY9BkmNZBb2ObOGz4g== X-Received: by 2002:a17:90a:5206:: with SMTP id v6mr5559682pjh.202.1596566585944; Tue, 04 Aug 2020 11:43:05 -0700 (PDT) Received: from [192.168.3.217] (c-73-241-217-19.hsd1.ca.comcast.net. [73.241.217.19]) by smtp.gmail.com with ESMTPSA id b24sm21903595pgn.8.2020.08.04.11.43.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 04 Aug 2020 11:43:05 -0700 (PDT) Subject: Re: [PATCH v6 2/5] scsi: ufs: Add UFS-feature layer To: daejun7.park@samsung.com, "Martin K. Petersen" , Christoph Hellwig Cc: "avri.altman@wdc.com" , "jejb@linux.ibm.com" , "asutoshd@codeaurora.org" , "beanhuo@micron.com" , "stanley.chu@mediatek.com" , "cang@codeaurora.org" , "tomas.winkler@intel.com" , ALIM AKHTAR , "linux-scsi@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Sang-yoon Oh , Sung-Jun Park , yongmyung lee , Jinyoung CHOI , Adel Choi , BoRam Shin References: <7bcf45da-233b-0c38-b93a-99d205603e63@acm.org> <231786897.01594636801601.JavaMail.epsvc@epcpadp1> <963815509.21594636682161.JavaMail.epsvc@epcpadp2> <231786897.01594637401708.JavaMail.epsvc@epcpadp1> <20200722064112.GB21117@infradead.org> <963815509.21595830981720.JavaMail.epsvc@epcpadp2> From: Bart Van Assche Autocrypt: addr=bvanassche@acm.org; prefer-encrypt=mutual; keydata= mQENBFSOu4oBCADcRWxVUvkkvRmmwTwIjIJvZOu6wNm+dz5AF4z0FHW2KNZL3oheO3P8UZWr LQOrCfRcK8e/sIs2Y2D3Lg/SL7qqbMehGEYcJptu6mKkywBfoYbtBkVoJ/jQsi2H0vBiiCOy fmxMHIPcYxaJdXxrOG2UO4B60Y/BzE6OrPDT44w4cZA9DH5xialliWU447Bts8TJNa3lZKS1 AvW1ZklbvJfAJJAwzDih35LxU2fcWbmhPa7EO2DCv/LM1B10GBB/oQB5kvlq4aA2PSIWkqz4 3SI5kCPSsygD6wKnbRsvNn2mIACva6VHdm62A7xel5dJRfpQjXj2snd1F/YNoNc66UUTABEB AAG0JEJhcnQgVmFuIEFzc2NoZSA8YnZhbmFzc2NoZUBhY20ub3JnPokBOQQTAQIAIwUCVI67 igIbAwcLCQgHAwIBBhUIAgkKCwQWAgMBAh4BAheAAAoJEHFcPTXFzhAJ8QkH/1AdXblKL65M Y1Zk1bYKnkAb4a98LxCPm/pJBilvci6boefwlBDZ2NZuuYWYgyrehMB5H+q+Kq4P0IBbTqTa jTPAANn62A6jwJ0FnCn6YaM9TZQjM1F7LoDX3v+oAkaoXuq0dQ4hnxQNu792bi6QyVdZUvKc macVFVgfK9n04mL7RzjO3f+X4midKt/s+G+IPr4DGlrq+WH27eDbpUR3aYRk8EgbgGKvQFdD CEBFJi+5ZKOArmJVBSk21RHDpqyz6Vit3rjep7c1SN8s7NhVi9cjkKmMDM7KYhXkWc10lKx2 RTkFI30rkDm4U+JpdAd2+tP3tjGf9AyGGinpzE2XY1K5AQ0EVI67igEIAKiSyd0nECrgz+H5 PcFDGYQpGDMTl8MOPCKw/F3diXPuj2eql4xSbAdbUCJzk2ETif5s3twT2ER8cUTEVOaCEUY3 eOiaFgQ+nGLx4BXqqGewikPJCe+UBjFnH1m2/IFn4T9jPZkV8xlkKmDUqMK5EV9n3eQLkn5g lco+FepTtmbkSCCjd91EfThVbNYpVQ5ZjdBCXN66CKyJDMJ85HVr5rmXG/nqriTh6cv1l1Js T7AFvvPjUPknS6d+BETMhTkbGzoyS+sywEsQAgA+BMCxBH4LvUmHYhpS+W6CiZ3ZMxjO8Hgc ++w1mLeRUvda3i4/U8wDT3SWuHcB3DWlcppECLkAEQEAAYkBHwQYAQIACQUCVI67igIbDAAK CRBxXD01xc4QCZ4dB/0QrnEasxjM0PGeXK5hcZMT9Eo998alUfn5XU0RQDYdwp6/kMEXMdmT oH0F0xB3SQ8WVSXA9rrc4EBvZruWQ+5/zjVrhhfUAx12CzL4oQ9Ro2k45daYaonKTANYG22y //x8dLe2Fv1By4SKGhmzwH87uXxbTJAUxiWIi1np0z3/RDnoVyfmfbbL1DY7zf2hYXLLzsJR mSsED/1nlJ9Oq5fALdNEPgDyPUerqHxcmIub+pF0AzJoYHK5punqpqfGmqPbjxrJLPJfHVKy goMj5DlBMoYqEgpbwdUYkH6QdizJJCur4icy8GUNbisFYABeoJ91pnD4IGei3MTdvINSZI5e Message-ID: <8d0fe031-e941-1b4e-7596-301ebd36f06d@acm.org> Date: Tue, 4 Aug 2020 11:43:03 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <963815509.21595830981720.JavaMail.epsvc@epcpadp2> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org On 2020-07-26 23:18, Daejun Park wrote: >>> I am also not sold on the whole "bus" thing. >> >> How about implementing HPB as a kernel module that calls the functions >> in the UFS core directly, or in other words, get rid completely of the >> new ufsf_bus introduced by this patch? > > OK, I will remove the ufsf_bus and indirect calling functions. Hi Daejun, Any idea how much time this work will take and when a new version will be posted? Thanks, Bart.