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=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_PASS,UNPARSEABLE_RELAY 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 09837C04EB9 for ; Tue, 16 Oct 2018 02:56:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AEFF2208E4 for ; Tue, 16 Oct 2018 02:56:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="2r4fD2Px" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AEFF2208E4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=oracle.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727059AbeJPKoj (ORCPT ); Tue, 16 Oct 2018 06:44:39 -0400 Received: from aserp2120.oracle.com ([141.146.126.78]:37606 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726954AbeJPKoi (ORCPT ); Tue, 16 Oct 2018 06:44:38 -0400 Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.22/8.16.0.22) with SMTP id w9G2rnTP043586; Tue, 16 Oct 2018 02:56:27 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=to : cc : subject : from : references : date : in-reply-to : message-id : mime-version : content-type; s=corp-2018-07-02; bh=FCMvidZtFWeCVEi3zKEgtr+HYrp35lOByi/ivWs0Ju8=; b=2r4fD2PxVoVHVM6nKa2wqPz/2EFaMSucM7vK1IhruQ98C8jlzVKe4ZHO4TXn+cV9o7rM HI1L6E61gS6E5x5mumU9631+zCVcACponzSJoTazWNuaKYJv0C2ey1/1YVRdAu/GClMp 8JUXrbB9I/5I/GWXwIGzZUws8oUXsKz0fqqrGZUxlj+e7Sl92d2D/jJsjIWWuLN/RmKr 00MAp1oS5LQJq+Wdx0DYYVUYI97QS6DxHUOE2CcIFO19maTwaaufbVp8sUZfBnSufe0D xST6AOykAUrP/p6gBKJ3ptEi37AnLWsDIjWJ9o/h2/nKB7kqIBukZZMRzS9kEoOJgLC8 /Q== Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp2120.oracle.com with ESMTP id 2n38npwtny-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 16 Oct 2018 02:56:27 +0000 Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0021.oracle.com (8.14.4/8.14.4) with ESMTP id w9G2uQcG020971 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 16 Oct 2018 02:56:26 GMT Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id w9G2uPk2002703; Tue, 16 Oct 2018 02:56:25 GMT Received: from ca-mkp.ca.oracle.com (/10.159.214.123) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 15 Oct 2018 19:56:25 -0700 To: Can Guo Cc: dianders@chromium.org, subhashj@codeaurora.org, asutoshd@codeaurora.org, vivek.gautam@codeaurora.org, evgreen@chromium.org, rnayak@codeaurora.org, vinholikatti@gmail.com, jejb@linux.vnet.ibm.com, martin.petersen@oracle.com, linux-scsi@vger.kernel.org, linux-arm-msm@vger.kernel.org, Venkat Gopalakrishnan , linux-kernel@vger.kernel.org (open list) Subject: Re: [PATCH v5 1/1] scsi: ufs: make UFS Tx lane1 clock optional for QCOM platforms From: "Martin K. Petersen" Organization: Oracle Corporation References: <1539397502-30120-1-git-send-email-cang@codeaurora.org> Date: Mon, 15 Oct 2018 22:56:22 -0400 In-Reply-To: <1539397502-30120-1-git-send-email-cang@codeaurora.org> (Can Guo's message of "Fri, 12 Oct 2018 19:25:02 -0700") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9047 signatures=668706 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=373 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1807170000 definitions=main-1810160023 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Can, > Per Qcom's UFS host controller HW design, the UFS Tx lane1 clock could > be muxed with Tx lane0 clock, hence keep Tx lane1 clock optional by > ignoring it if it is not provided in device tree. This change also > performs some cleanup to lanes per direction checks when > enable/disable lane clocks just for symmetry. Applied to 4.20/scsi-queue, thanks! -- Martin K. Petersen Oracle Linux Engineering