linux-kernel - Re: [PATCH 6/6] dt-bindings: mt8173-mtu3: add reference clock

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Message-ID: <1486364819.3750.7.camel@mhfsdcap03>
Date:   Mon, 6 Feb 2017 15:06:59 +0800
From:   Chunfeng Yun <chunfeng.yun@...iatek.com>
To:     Rob Herring <robh@...nel.org>
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 Mon, 2017-01-23 at 08:02 -0600, Rob Herring wrote:
> 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.
> 
Happy Chinese New Year!

Ok, I'll add it.

Thanks and sorry for later reply.

> Rob