Received: by 2002:ab2:1149:0:b0:1f3:1f8c:d0c6 with SMTP id z9csp2836583lqz; Wed, 3 Apr 2024 09:53:05 -0700 (PDT) X-Forwarded-Encrypted: i=3; AJvYcCU7oJGdr0QLScodjQ3q68cfaDcacgLbtDyHCH+UomMTSG6dRT9wZ4gX1QQW/aw91FdCa5CrcsrHytJxY8jzo/MOQHf+SLKRynnelR9Rmg== X-Google-Smtp-Source: AGHT+IHlFQa0hOs2NVnUWu6RZ6aOlWnGZrBgOLrIgahsIiT5PhUm0iNWiyBOc2o82Gezv9Af8erd X-Received: by 2002:a17:90a:fa0e:b0:29b:22d2:9dd5 with SMTP id cm14-20020a17090afa0e00b0029b22d29dd5mr75523pjb.38.1712163184858; Wed, 03 Apr 2024 09:53:04 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1712163184; cv=pass; d=google.com; s=arc-20160816; b=x9gzDDDLDCXaLLebiWFFv5huVCTVbgFS5zFQAIQc97dTV1f3RIbeh5hf+TFBiVPxnb bBz6ZJmdG1R650B4kixh6Gvf4Wr43DTvPVpQZvSyPl4YISNEGwYuDEFePwpIenJu2rZl b6IOKFcg9+JaRwb5Jv2FZ9c6Wb5aGQuOE+c8uf72lPJqsL+lraN17oIeT7+ulhhYEjBH YoxQyIJpC8ye5w3WoxP9hfgp9LX1/3iiok/FNeWg07qoJOWrYMQrqZdN9iMsCFO6CAnc hvLN9Gg39m2KcbLgy6aFUQH0zqmYW+IcAIS/9dM1TKGt5LsK09zeLyiYYDzxgQRe43Ou PayQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:date:message-id:dkim-signature; bh=rJr6c2TsvOVSrSHj9bLAu908h6x2a2x3rAYmyWwx6bo=; fh=Mw2Y6D+6aI+QIZtzvxJyMrBAMUXlc/9TZPXsrW+6iQ8=; b=Fdktr/hiMhSgueP8D4rK4duQL0CJetmcE9BO9aVIS3hm5p3+v+n8yplGo7K4gB8Z9E 9TWoNh2syLM9vVc/lzL9Dt/b4fCH5uA6AM5OvV24kY6LjC3G1HlItntsaCjRqLlgAEWh 3VWhqd/lxJ8ofYiC1MF/9fWR9HXEas2ZjW3R/UxdXpUtkFnqJDXzMd1tcYOGaiARCxOF Mim52GoTbZa+qOZP5+bz2CprEff8nMaxyYxRnWSKvc9/GWVqNyHV6ePFb31R97Elk+Ve UM8EUYoGAztMJQiFpVvTJ43eMmd/KKZwVeqFG/h8Twkb/ymayLQjggJ4LhmQbeEmJDnb RLZg==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@acm.org header.s=mr01 header.b=k+KaayxM; arc=pass (i=1 spf=pass spfdomain=acm.org dkim=pass dkdomain=acm.org dmarc=pass fromdomain=acm.org); spf=pass (google.com: domain of linux-kernel+bounces-130192-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) smtp.mailfrom="linux-kernel+bounces-130192-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=acm.org Return-Path: Received: from sy.mirrors.kernel.org (sy.mirrors.kernel.org. [147.75.48.161]) by mx.google.com with ESMTPS id gw20-20020a17090b0a5400b002a28fc52e0csi1904299pjb.13.2024.04.03.09.53.04 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Apr 2024 09:53:04 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-130192-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) client-ip=147.75.48.161; Authentication-Results: mx.google.com; dkim=pass header.i=@acm.org header.s=mr01 header.b=k+KaayxM; arc=pass (i=1 spf=pass spfdomain=acm.org dkim=pass dkdomain=acm.org dmarc=pass fromdomain=acm.org); spf=pass (google.com: domain of linux-kernel+bounces-130192-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) smtp.mailfrom="linux-kernel+bounces-130192-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=acm.org Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sy.mirrors.kernel.org (Postfix) with ESMTPS id 49497B259C7 for ; Wed, 3 Apr 2024 16:27:11 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 22ABD150997; Wed, 3 Apr 2024 16:27:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=acm.org header.i=@acm.org header.b="k+KaayxM" Received: from 008.lax.mailroute.net (008.lax.mailroute.net [199.89.1.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ACB7C14F9E1; Wed, 3 Apr 2024 16:27:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=199.89.1.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712161622; cv=none; b=CcBE1+L5MK6vG8pkC6VelUHfwL3tlqfm43vKY0pg14ehrECtFh15yrlEotvjtcygo4/uZdqLrMO7nqNeolKvncYpOpMM/zNWc8hOKj7XlApycfSbP26i5UKRBywaZ8hVUkM/20FC3nGuLtCu3uilpMnsGid94/YfIjBdI4rLzXY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712161622; c=relaxed/simple; bh=GQ/Rb2a92J5Ir4blww52T7ahTeQB0Ow+ZtEZv9AjOxk=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=cbzeBOxkb2mniRYaMBD1ZXYnbKmsUtvL7il2r78qmLQAx8BYDVgnGW/aNDLzn9OXDsb9XXUSioEreYIkwSQxA3ZRfBumvKQhXWcWVhgJ4Bp/pX30ubLL88aT9jnJlDNqurYqlt0Yp49D8xYVFR9EIYAQ10m+zwV0iY5Y+HKXn7I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=acm.org; spf=pass smtp.mailfrom=acm.org; dkim=pass (2048-bit key) header.d=acm.org header.i=@acm.org header.b=k+KaayxM; arc=none smtp.client-ip=199.89.1.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=acm.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=acm.org Received: from localhost (localhost [127.0.0.1]) by 008.lax.mailroute.net (Postfix) with ESMTP id 4V8qs008kHz6Cnk8s; Wed, 3 Apr 2024 16:27:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=acm.org; h= content-transfer-encoding:content-type:content-type:in-reply-to :from:from:references:content-language:subject:subject :user-agent:mime-version:date:date:message-id:received:received; s=mr01; t=1712161617; x=1714753618; bh=rJr6c2TsvOVSrSHj9bLAu908 h6x2a2x3rAYmyWwx6bo=; b=k+KaayxMp/CMHphAZmsbICFQjXsFzckonBXBQeAt uCYoQJPhL1Fjz+21DpG5HXoJMTh3RsMfpJ1ebaJ6vEFZCka8qHWGCmmmV7s250bg UcSUqkqLboAai7LcwYTf3IW17NnRWZrDkuhxFZ3/bG6QRj624kNhTi4cHDtNU7gP r4MREbTQt5kbVzIyXskKiGh3xqrlaKNIYzOqKeNJGb5N+7C5ADL1lsEJ73vvn3qT qCk5UM0aJvP+ZqoJ9gew+U7YFeAtzpPzcl/C1g2jmtwZmu1WN84q8XXOth2LbwNU vD6ZFarWxUQlpO+T8iJ/QfBeriG+KwXxJt3x+oGw/YKOLg== X-Virus-Scanned: by MailRoute Received: from 008.lax.mailroute.net ([127.0.0.1]) by localhost (008.lax [127.0.0.1]) (mroute_mailscanner, port 10029) with LMTP id gZSzaLgRLrrU; Wed, 3 Apr 2024 16:26:57 +0000 (UTC) Received: from [100.96.154.173] (unknown [104.132.1.77]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: bvanassche@acm.org) by 008.lax.mailroute.net (Postfix) with ESMTPSA id 4V8qrw10xhz6Cnk8m; Wed, 3 Apr 2024 16:26:55 +0000 (UTC) Message-ID: <66431679-26f0-48eb-8303-35e151481292@acm.org> Date: Wed, 3 Apr 2024 09:26:55 -0700 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/1] scsi: ufs: Remove support for old UFSHCI versions Content-Language: en-US To: Avri Altman , "James E . J . Bottomley" , "Martin K . Petersen" Cc: Christoph Hellwig , Bean Huo , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org References: <20240327071714.757-1-avri.altman@wdc.com> <20240327071714.757-2-avri.altman@wdc.com> From: Bart Van Assche In-Reply-To: <20240327071714.757-2-avri.altman@wdc.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 3/27/24 00:17, Avri Altman wrote: > UFS spec version 2.1 was published more than 10 years ago. It is > vanishingly unlikely that even there are out there platforms that uses > earlier host controllers, let alone that those ancient platforms will > ever run a V6.10 kernel. Thus, remove support of host controllers prior > to UFS2.1. According to this website, Pixel 1 devices have a UFSHCI 2.0 controller: https://www.gsmarena.com/google_pixel-8346.php. There may be other smartphones that have a UFSHCI 2.0 controller. Hence, I'm not sure we can drop support for UFSHCI 2.0 controllers from the kernel. Thanks, Bart.