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From: Doug Anderson <dianders@chromium.org>
To: cang@codeaurora.org
Cc: subhashj@codeaurora.org, Asutosh Das <asutoshd@codeaurora.org>,
	Vivek Gautam <vivek.gautam@codeaurora.org>,
	Evan Green <evgreen@chromium.org>,
	Rajendra Nayak <rnayak@codeaurora.org>,
	Vinayak Holikatti <vinholikatti@gmail.com>,
	jejb@linux.vnet.ibm.com,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	linux-scsi@vger.kernel.org,
	linux-arm-msm <linux-arm-msm@vger.kernel.org>,
	venkatg@codeaurora.org, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3 1/1] scsi: ufs: make UFS Tx lane1 clock optional for QCOM platforms
Date: Fri, 12 Oct 2018 09:55:19 -0700	[thread overview]
Message-ID: <CAD=FV=WjO9YvKHDiEDt8+8TJ_JjnzcVAqB99nhP5LwnWO0fuLw@mail.gmail.com> (raw)
In-Reply-To: <1539306736-9519-1-git-send-email-cang@codeaurora.org>

Hi,

On Thu, Oct 11, 2018 at 6:12 PM Can Guo <cang@codeaurora.org> wrote:
> +       if (err != -EPROBE_DEFER)
> +               dev_err(dev, "failed to get %s err %d",
> +                               name, err);

I wouldn't spin just for this, but if you spin for some other reason
you could move the above "dev_err" onto one line now.  Sorry: I should
have noticed that / done that on my patch...


> @@ -141,24 +147,21 @@ static int ufs_qcom_enable_lane_clks(struct ufs_qcom_host *host)

Idea for a future patch: now that I look at what's left of this
function you're basically re-implementing clk_bulk_prepare_enable()
and clk_bulk_disable_unprepare() now.  I bet your code would be
cleaner / nicer by switching to that.

...possibly you might need to improve the clk_bulk_get() API to allow
for some clock to be optional, but that would be a pretty easy patch
to post up.

In any case I think it's better to do the clk_bulk switch in a future
/ separate patch, so:

Reviewed-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Douglas Anderson <dianders@chromium.org>


-Doug

  parent reply	other threads:[~2018-10-12 16:55 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-12  1:12 [PATCH v3 1/1] scsi: ufs: make UFS Tx lane1 clock optional for QCOM platforms Can Guo
2018-10-12  6:10 ` Vivek Gautam
2018-10-12  6:46   ` cang
2018-10-12 16:55 ` Doug Anderson [this message]
2018-10-13  2:13   ` cang

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