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Date:   Mon, 23 Jan 2017 08:02:44 -0600
From:   Rob Herring <robh@...nel.org>
To:     Chunfeng Yun <chunfeng.yun@...iatek.com>
Cc:     Mathias Nyman <mathias.nyman@...el.com>,
        Felipe Balbi <felipe.balbi@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Mark Rutland <mark.rutland@....com>,
        Ian Campbell <ijc+devicetree@...lion.org.uk>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Linux USB List <linux-usb@...r.kernel.org>,
        linux-mediatek@...ts.infradead.org,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
Subject: Re: [PATCH 6/6] dt-bindings: mt8173-mtu3: add reference clock

On Sat, Jan 21, 2017 at 7:49 PM, Chunfeng Yun <chunfeng.yun@...iatek.com> wrote:
> Hi,
>
> On Sat, 2017-01-21 at 14:11 -0600, Rob Herring wrote:
>> On Wed, Jan 18, 2017 at 02:08:27PM +0800, Chunfeng Yun wrote:
>> > add a reference clock for compatibility
>>
>> Why? This block suddenly has 2 clocks instead of 1?
> In fact, there is a reference clock which comes from 26M oscillator
> directly. I ignore it because it is a fixed-clock in DTS, and always
> turned on for mt8173. But later, I find that I made a mistake before
> when I bring up it on a new platform whose reference clock comes from
> PLL, and need control it. So here add it, no matter it is a fixed-clock
> or not.

Add this explanation to the changelog.

Rob

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