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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS 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 75C05C04EBD for ; Tue, 16 Oct 2018 04:05:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 299532083E for ; Tue, 16 Oct 2018 04:05:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="CKSc2y34"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="ISC1nSpK" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 299532083E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=codeaurora.org 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 S1727473AbeJPLxW (ORCPT ); Tue, 16 Oct 2018 07:53:22 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:51694 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726649AbeJPLxW (ORCPT ); Tue, 16 Oct 2018 07:53:22 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 4915F60BFA; Tue, 16 Oct 2018 04:05:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1539662701; bh=PSJrWXOaHBq6myX08lDVA31+ExmRcoUrsl930KP/+pA=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=CKSc2y34ubGUPLPgqy6HVCYGL/DDlr0oGjH22Fvl2DaNsmArk3ZM341OpYVnvuqzC TdF0klHwRQm2IiVBHNwGIqn7vFrYhcAmCjDwL8uxdCZWM/9Uaosc4KH4C9N2lxnpve vwllr7l7oPZnn1G+vUbsb75OLtQ2S7N8+CHGEXD8= Received: from mail.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.codeaurora.org (Postfix) with ESMTP id C827D604BE; Tue, 16 Oct 2018 04:05:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1539662700; bh=PSJrWXOaHBq6myX08lDVA31+ExmRcoUrsl930KP/+pA=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=ISC1nSpKTEwfc2dOUvSIfeEuOmnsJ0oX7tM43EWwof8mMeNOJIeGmLN5it0mfcry9 3fwZ6wheoSA2nuuJM3wjxjaFI9LeIutLSkl7wKHl1HC16TeAA7zrlPd1g9imm9UqJv CEBKO7X7Kyk/5yn7jvD6sdwTVTWxgopm6QnHjPS0= MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Tue, 16 Oct 2018 12:05:00 +0800 From: cang@codeaurora.org To: "Martin K. Petersen" 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, linux-scsi@vger.kernel.org, linux-arm-msm@vger.kernel.org, Venkat Gopalakrishnan , linux-kernel@vger.kernel.org Subject: Re: [PATCH v5 1/1] scsi: ufs: make UFS Tx lane1 clock optional for QCOM platforms In-Reply-To: References: <1539397502-30120-1-git-send-email-cang@codeaurora.org> Message-ID: <98938b7462e2a90e1b2089d6c6706c52@codeaurora.org> X-Sender: cang@codeaurora.org User-Agent: Roundcube Webmail/1.2.5 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Martin, On 2018-10-16 10:56, Martin K. Petersen wrote: > 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! Thanks a lot! -Can Guo