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=-3.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY 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 CD74BC433E2 for ; Wed, 9 Sep 2020 02:04:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8CA5520758 for ; Wed, 9 Sep 2020 02:04:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="bPuFdKyA" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728911AbgIICEU (ORCPT ); Tue, 8 Sep 2020 22:04:20 -0400 Received: from userp2120.oracle.com ([156.151.31.85]:36448 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726489AbgIICER (ORCPT ); Tue, 8 Sep 2020 22:04:17 -0400 Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 0891xvwb146266; Wed, 9 Sep 2020 02:03:59 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=to : cc : subject : from : message-id : references : date : in-reply-to : mime-version : content-type; s=corp-2020-01-29; bh=CwfXHWSMExojBrq5MqRUji39v4s5dmscJT5bDf3eIaE=; b=bPuFdKyAJyZ9Qv4n/FAvjk3aRivD4LICe2rh7PDBMKCWaRKJYJ8Yxc4CgxqqiVImTRjS QMcPCzmeJWmToiu2bJiEc/gO1D+FHIVTetCNzGwUvE+wX3tJjiRnxxdQ8pCyr6YqKkJi 34NZg6oSxAaYOFU3QqYgqxSV9c4YwY1JNFoZz/ShNt/EbT8yTGMAAvkKkZgw13utHP+j mSiZyvndSK16VXCD/jP0iZCpShr/jRw5CD+T/ZVsZW6Y43zMl4ahDABxNkTSX5oSShPj HPuRomtPmQPErcKP6b86CwJ53X1M7wz2xkyfsQEhLlTM8TmxItwq8Vd1AyI45V21us3C 9Q== Received: from userp3020.oracle.com (userp3020.oracle.com [156.151.31.79]) by userp2120.oracle.com with ESMTP id 33c3amxt9j-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 09 Sep 2020 02:03:59 +0000 Received: from pps.filterd (userp3020.oracle.com [127.0.0.1]) by userp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 08921SwF176092; Wed, 9 Sep 2020 02:03:58 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userp3020.oracle.com with ESMTP id 33cmerwwf1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 09 Sep 2020 02:03:58 +0000 Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 08923tIT009003; Wed, 9 Sep 2020 02:03:55 GMT Received: from ca-mkp.ca.oracle.com (/10.159.214.123) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 08 Sep 2020 19:03:54 -0700 To: "Bao D. Nguyen" Cc: cang@codeaurora.org, asutoshd@codeaurora.org, martin.petersen@oracle.com, linux-scsi@vger.kernel.org, linux-arm-msm@vger.kernel.org, Alim Akhtar , Avri Altman , "James E.J. Bottomley" , Stanley Chu , Nitin Rawat , Bean Huo , Bart Van Assche , linux-kernel@vger.kernel.org (open list) Subject: Re: [PATCH v1 1/1] scsi: ufshcd: Allow zero value setting to Auto-Hibernate Timer From: "Martin K. Petersen" Organization: Oracle Corporation Message-ID: References: Date: Tue, 08 Sep 2020 22:03:51 -0400 In-Reply-To: (Bao D. Nguyen's message of "Fri, 28 Aug 2020 18:05:13 -0700") MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9738 signatures=668679 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 suspectscore=1 adultscore=0 bulkscore=0 phishscore=0 malwarescore=0 mlxlogscore=752 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009090017 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9738 signatures=668679 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 priorityscore=1501 clxscore=1011 bulkscore=0 malwarescore=0 lowpriorityscore=0 mlxlogscore=759 suspectscore=1 adultscore=0 mlxscore=0 impostorscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009090017 Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Bao, > The zero value Auto-Hibernate Timer is a valid setting, and it > indicates the Auto-Hibernate feature being disabled. Correctly support > this setting. In addition, when this value is queried from sysfs, read > from the host controller's register and return that value instead of > using the RAM value. Applied to my 5.10 staging tree. Thanks! -- Martin K. Petersen Oracle Linux Engineering