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 070B9ECAAD5 for ; Tue, 6 Sep 2022 17:55:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229607AbiIFRzd (ORCPT ); Tue, 6 Sep 2022 13:55:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58594 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229969AbiIFRyA (ORCPT ); Tue, 6 Sep 2022 13:54:00 -0400 Received: from mail-pl1-f182.google.com (mail-pl1-f182.google.com [209.85.214.182]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 46AF19C1DF; Tue, 6 Sep 2022 10:53:51 -0700 (PDT) Received: by mail-pl1-f182.google.com with SMTP id x1so7677066plv.5; Tue, 06 Sep 2022 10:53:51 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date; bh=/jlkCt8/HNkpJ8C9EjYNBrsQTfK+Od0un5wI1P6Oahk=; b=QHIPPz3GO60VUF/SDukUT6dYVfHhIcTfwIPbY/9Zw33qXLBGnr4LYeU2+0ztSopWo3 s7QjQi5pmoX9Sol9yu+Ih88NUIfQewwXhbkV7vyH8loUszn2MUzFD2iQ4Q8CLkGmKt+S 5i6PgXscQcVuTBdSqDFFAPo54386JHQm9KoXfpMGe5WQEZ25ml3sNNBDOFjzg7BC6w/3 EyfZcSfe46tKL8XIcx8XoG7hiE2okvG0h3wuN9j1QwTD5Hh7GKEyi0+ePNfWPSTSkdRT 2t/5dCs7OUD5EEfuJ/n/Aq3vIl++gYFZlm74abauNjhDQuyxTnrdnRGCyAIZK8dRtlmB sr5g== X-Gm-Message-State: ACgBeo2thVz52NkmZlegmhRMhotIPiK9nGVks7+0p+CxpIst55XwEZLu 2HKQyuqB5jfNUkmD9i7/+IA= X-Google-Smtp-Source: AA6agR592wrE1WLKmqBuFRYP7O4+NrDTbHexBZVuxFbzpt9TI0ski77jxKlLLuAQUJDJQbhHzmYQGA== X-Received: by 2002:a17:902:b94b:b0:170:c9d6:a06d with SMTP id h11-20020a170902b94b00b00170c9d6a06dmr55680569pls.105.1662486830204; Tue, 06 Sep 2022 10:53:50 -0700 (PDT) Received: from ?IPV6:2620:15c:211:201:4e4a:abd5:5969:d00e? ([2620:15c:211:201:4e4a:abd5:5969:d00e]) by smtp.gmail.com with ESMTPSA id i9-20020a170902c94900b0016ecc7d5297sm10246100pla.292.2022.09.06.10.53.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 06 Sep 2022 10:53:49 -0700 (PDT) Message-ID: Date: Tue, 6 Sep 2022 10:53:46 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Subject: Re: [PATCH v8] ufs: core: print UFSHCD capabilities in controller's sysfs node Content-Language: en-US To: Daniil Lunev , Adrian Hunter , Greg Kroah-Hartman Cc: Alim Akhtar , Avri Altman , Bean Huo , "James E.J. Bottomley" , Keoseong Park , "Martin K. Petersen" , Mauro Carvalho Chehab , Sohaib Mohamed , linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org References: <20220829081845.v8.1.Ibf9efc9be50783eeee55befa2270b7d38552354c@changeid> From: Bart Van Assche In-Reply-To: <20220829081845.v8.1.Ibf9efc9be50783eeee55befa2270b7d38552354c@changeid> 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 8/28/22 15:18, Daniil Lunev wrote: > Userspace may want to manually control when the data should go into > WriteBooster buffer. The control happens via "wb_on" node, but > presently, there is no simple way to check if WriteBooster is supported > and enabled. This change exposes the Write Booster and Clock Scaling > capabilities to be able to determin if the Write Booster is available > and if its manual control is blocked by Clock Scaling mechanism. determin -> determine? Anyway: Reviewed-by: Bart Van Assche