From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Martin K. Petersen" Subject: Re: [PATCH v5 1/1] scsi: ufs: make UFS Tx lane1 clock optional for QCOM platforms Date: Mon, 15 Oct 2018 22:56:22 -0400 Message-ID: References: <1539397502-30120-1-git-send-email-cang@codeaurora.org> Mime-Version: 1.0 Content-Type: text/plain Return-path: 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") Sender: linux-kernel-owner@vger.kernel.org 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 , open list List-Id: linux-arm-msm@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