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

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Date:   Tue, 16 Oct 2018 12:05:00 +0800
From:   cang@...eaurora.org
To:     "Martin K. Petersen" <martin.petersen@...cle.com>
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,
        linux-scsi@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        Venkat Gopalakrishnan <venkatg@...eaurora.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 1/1] scsi: ufs: make UFS Tx lane1 clock optional for
 QCOM platforms

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