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 DF6D0C433EF for ; Sun, 3 Apr 2022 21:51:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235289AbiDCVxC (ORCPT ); Sun, 3 Apr 2022 17:53:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60098 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229637AbiDCVxC (ORCPT ); Sun, 3 Apr 2022 17:53:02 -0400 Received: from mail-pj1-f42.google.com (mail-pj1-f42.google.com [209.85.216.42]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 069BB396AD for ; Sun, 3 Apr 2022 14:51:04 -0700 (PDT) Received: by mail-pj1-f42.google.com with SMTP id u14so3230801pjj.0 for ; Sun, 03 Apr 2022 14:51:04 -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:cc:references:from:in-reply-to :content-transfer-encoding; bh=AKMS8doMOeBOR33NDSE7bHr9Kq4kyupalQp6ymfXvhw=; b=1bAktXAserVPsVmEQeIoVOXPlWMFET1MsQ7JRe/Ul33ob6FDlX+Qvkcws3OKYUrriB 3R6/ohBmTEdEtLN7gQzbX6fHTMagiZUdeai1SXu7/VKuYEH6ZN9HIYY2wXm+l5qLr2tI xEs/xRKQNYNinTpX5dPyviPI29NeDEhZX87eClpjumSKvKcCWlZ/dGCZdfDRd2TCIqnx c/4s5yHBYXATeo30f41FfSM2RgH5w2en1FoTXbe50Pk69u0oKREkSwoYuLEQNavmFJVD xzLY0ctVtsM+O1AwF/FX9cDsblmCW2t7GdSqsWyUpAozzgyr/F9Ndq4nEpx4BHqBHMqk t+TQ== X-Gm-Message-State: AOAM5306kOuUJDaHUpyOjtXuH92kzbKUkKpnCKk665b/MNGrdBsVrfO1 MfP1RL0gwkOL4rVJ3JVaCig= X-Google-Smtp-Source: ABdhPJxhKTmf3P888eN2OcNVEwJK8j3MNbvoMk3WXXjLca1TXJgHSB4RqkmQ6cwFMmjAZVochrOyaA== X-Received: by 2002:a17:90a:af86:b0:1c7:db8e:8589 with SMTP id w6-20020a17090aaf8600b001c7db8e8589mr23115480pjq.94.1649022662780; Sun, 03 Apr 2022 14:51:02 -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 n18-20020a056a0007d200b004fdac35672fsm9275193pfu.68.2022.04.03.14.51.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 03 Apr 2022 14:51:01 -0700 (PDT) Message-ID: Date: Sun, 3 Apr 2022 14:51:00 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [PATCH 15/29] scsi: ufs: Remove the driver version Content-Language: en-US To: Avri Altman , "Martin K . Petersen" Cc: Jaegeuk Kim , Adrian Hunter , "linux-scsi@vger.kernel.org" , "James E.J. Bottomley" , Stanley Chu , Daejun Park , Asutosh Das , Bean Huo , Sergey Shtylyov , Srinivas Kandagatla , Xiaoke Wang , Can Guo References: <20220331223424.1054715-1-bvanassche@acm.org> <20220331223424.1054715-16-bvanassche@acm.org> From: Bart Van Assche In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org On 4/3/22 00:10, Avri Altman wrote: >> Driver version numbers are not useful in upstream kernel code. Hence > Yet still - very common across the stack, and particularly in many scsi low level drivers. > Why the ufs drivers is any different? Some authors of SCSI drivers use the version number to track which version of their driver ends up in Linux distributions like RHEL or SLES. I think that the driver version numbers are not useful in the UFS drivers because the current version number is 0.2 and that version number was assigned in 2013, more than nine years ago. See also commit e0eca63e3421 ("[SCSI] ufs: Separate PCI code into glue driver"). Thanks, Bart.