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 64DFEC433EF for ; Thu, 28 Apr 2022 20:13:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348441AbiD1URJ (ORCPT ); Thu, 28 Apr 2022 16:17:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44968 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244261AbiD1URI (ORCPT ); Thu, 28 Apr 2022 16:17:08 -0400 Received: from mail-pf1-f175.google.com (mail-pf1-f175.google.com [209.85.210.175]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 446A7BF963 for ; Thu, 28 Apr 2022 13:13:53 -0700 (PDT) Received: by mail-pf1-f175.google.com with SMTP id j17so5153264pfi.9 for ; Thu, 28 Apr 2022 13:13:53 -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=Gzv1ZHmdBPcvnpLgj/HMlh9J1MKXykKH/wz36EyZ9jc=; b=WTqChB4IVYuI9zgUv4mK7FAkqTmxQrGq5YN9gfJQll4wJ1dH5AjlQ+Y2BRci1ebOGa WnfVJSUEYu5HuJ497EiEFzldGGguZoeiKbtZXCDWjfi4vdcQNRGZIpuxFUn3x7JCSvbP m8AR0E3PKfJpESXIl7vmc30YVfT481hgBvMR8aZCYe9mIyxvW7Qqx/7q82Z3en/3yppu 3gV5QsNfJazKehc9s1w21RMPhgZLQP3eF6qoS0mLuF5AKPK0t7OA12n3IwnEFfoktel0 2PDGMliA5sIMOpukj9cWgDIkqV+owd9ms8paoq6nWa6f0gx7nRJ/y82X3M6W+k7CUtvE o8bQ== X-Gm-Message-State: AOAM530weCX6eQQKzQ3HdeDSHkv7JQLGu5/ASYU9rJ1tk8Gi55+73qKG 0AbsLTHP9j21CeDFPy3dVrk= X-Google-Smtp-Source: ABdhPJyfAzTijhFSj4gyELB4k4HexoobJtSCHp+8koRFIpd1B4VKnWrMDiQ07RtBFlX0efeHfgFjwQ== X-Received: by 2002:a63:5219:0:b0:39d:7212:4b3f with SMTP id g25-20020a635219000000b0039d72124b3fmr29437237pgb.255.1651176832592; Thu, 28 Apr 2022 13:13:52 -0700 (PDT) Received: from ?IPV6:2620:15c:211:201:6f14:f527:3ca8:ecbf? ([2620:15c:211:201:6f14:f527:3ca8:ecbf]) by smtp.gmail.com with ESMTPSA id t1-20020a62d141000000b0050d3772b9b0sm659997pfl.94.2022.04.28.13.13.50 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 28 Apr 2022 13:13:51 -0700 (PDT) Message-ID: Date: Thu, 28 Apr 2022 13:13:49 -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 1/4] scsi: ufs: Reduce the clock scaling latency Content-Language: en-US To: Avri Altman , "Martin K . Petersen" Cc: Jaegeuk Kim , Adrian Hunter , "linux-scsi@vger.kernel.org" References: <20220427233855.2685505-1-bvanassche@acm.org> <20220427233855.2685505-2-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 4/28/22 00:09, Avri Altman wrote: > Maybe we should create some linkage to DOORBELL_CLR_TOUT_US? Hi Avri, Do you perhaps want me to change io_schedule_timeout(msecs_to_jiffies(20)); into something like the following? io_schedule_timeout(msecs_to_jiffies(min(20, remaining_time))); Documenting that wait_timeout_us may be exceeded by 20 ms seems like the easier solution to me :-) Thanks, Bart.