linux-kernel - Re: [PATCH v5 1/1] scsi: ufs: make UFS Tx lane1 clock optional for QCOM platforms

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Date:   Mon, 15 Oct 2018 22:56:22 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Can Guo <cang@...eaurora.org>
Cc:     dianders@...omium.org, subhashj@...eaurora.org,
        asutoshd@...eaurora.org, vivek.gautam@...eaurora.org,
        evgreen@...omium.org, rnayak@...eaurora.org,
        vinholikatti@...il.com, jejb@...ux.vnet.ibm.com,
        martin.petersen@...cle.com, linux-scsi@...r.kernel.org,
        linux-arm-msm@...r.kernel.org,
        Venkat Gopalakrishnan <venkatg@...eaurora.org>,
        linux-kernel@...r.kernel.org (open list)
Subject: Re: [PATCH v5 1/1] scsi: ufs: make UFS Tx lane1 clock optional for QCOM platforms


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