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=-11.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=ham 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 613FFC433E2 for ; Wed, 9 Sep 2020 02:18:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 314BC216C4 for ; Wed, 9 Sep 2020 02:18:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="TtuiMv01" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728970AbgIICSR (ORCPT ); Tue, 8 Sep 2020 22:18:17 -0400 Received: from userp2120.oracle.com ([156.151.31.85]:44500 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726002AbgIICR4 (ORCPT ); Tue, 8 Sep 2020 22:17:56 -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 0892FS7e170492; Wed, 9 Sep 2020 02:17:46 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=corp-2020-01-29; bh=m/XtdR2vdX0S+4GesAuOfitLWHLAR3IRXFT8oo8F0AQ=; b=TtuiMv01+Bv43iANYfLI4/qp4u69vy/tiSKztF2MpxC4+xcAEF11bnd/PQNNtpa303S4 FzU/hgUPYNuvS7/e/7NaWURLeXGdQek8hWY+FgJSpnHlDMZspUEWq0kwjto11jouk/A4 mAHS1uUIl2R2dI+pa2t6aHGKYbpOwU6B/KsATqDaKl/kALmKvvX4Ki1JUpL8ZfFsSxWH WcOKZSrTONb0jEeqv4AsjQOIm7OE0mddrhbv2cWOaARRXRl/AdsxGh0OtKJ6kWrccUfv LLO9/zHLJeKHC8RZ8wLDM4pgUbcYbUT7RskITvKXanWo+pfmXFa9P1o6LxNxMPbi6hgG cQ== Received: from aserp3020.oracle.com (aserp3020.oracle.com [141.146.126.70]) by userp2120.oracle.com with ESMTP id 33c3amxuaw-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 09 Sep 2020 02:17:46 +0000 Received: from pps.filterd (aserp3020.oracle.com [127.0.0.1]) by aserp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 0892F2qE132062; Wed, 9 Sep 2020 02:17:45 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserp3020.oracle.com with ESMTP id 33cmk53yjy-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 09 Sep 2020 02:17:45 +0000 Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 0892HhGB025760; Wed, 9 Sep 2020 02:17:44 GMT Received: from ca-mkp.ca.oracle.com (/10.156.108.201) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 08 Sep 2020 19:17:43 -0700 From: "Martin K. Petersen" To: alim.akhtar@samsung.com, asutoshd@codeaurora.org, jejb@linux.ibm.com, cang@codeaurora.org, hy50.seo@samsung.com, bvanassche@acm.org, linux-scsi@vger.kernel.org, grant.jung@samsung.com, sc.suh@samsung.com, sh425.lee@samsung.com, Kiwoong Kim , avri.altman@wdc.com, beanhuo@micron.com Cc: "Martin K . Petersen" Subject: Re: [PATCH v4 0/2] ufs: introduce skipping manual flush for wb Date: Tue, 8 Sep 2020 22:17:28 -0400 Message-Id: <159961781205.6233.13227198149445873100.b4-ty@oracle.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9738 signatures=668679 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 malwarescore=0 phishscore=0 mlxlogscore=685 bulkscore=0 adultscore=0 mlxscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009090019 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=1015 bulkscore=0 malwarescore=0 lowpriorityscore=0 mlxlogscore=700 suspectscore=0 adultscore=0 mlxscore=0 impostorscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009090019 Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org On Sat, 5 Sep 2020 15:06:50 +0900, Kiwoong Kim wrote: > v3 -> v4: migrate these to 5.10 > v2 -> v3: modify some commit messages > v1 -> v2: enable the quirk in exynos > > We have two knobs to flush for write booster, i.e. > fWriteBoosterBufferFlushDuringHibernate and fWriteBoosterBufferFlushEn. > However, many product makers uses only fWriteBoosterBufferFlushDuringHibernate, > because this can reportedly cover most scenarios and > there have been some reports that flush by fWriteBoosterBufferFlushEn > could lead to raise power consumption thanks to unexpected internal > operations. So we need a way to enable or disable fWriteBoosterEn > operations. For those case, this quirk will allow to avoid manual flush > > [...] Applied to 5.10/scsi-queue, thanks! [1/2] scsi: ufs: Introduce skipping manual flush for Write Booster https://git.kernel.org/mkp/scsi/c/5df6f2def50c [2/2] scsi: ufs: exynos: Enable UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL https://git.kernel.org/mkp/scsi/c/7973b8ac669e -- Martin K. Petersen Oracle Linux Engineering