Re: [PATCH 09/13] ARM: dts: mediatek: Enable clock support for Mediatek MT8135.

[Russell King - ARM Linux]

On Mon, Feb 09, 2015 at 12:25:00PM +0100, Sascha Hauer wrote:
> On Mon, Feb 09, 2015 at 10:51:34AM +0000, Russell King - ARM Linux wrote:
> > On Mon, Feb 09, 2015 at 11:47:21AM +0100, Sascha Hauer wrote:
> > > From: James Liao <jamesjj.liao@xxxxxxxxxxxx>
> > > 
> > > This patch adds MT8135 clock controllers into device tree.
> > > @@ -86,6 +87,18 @@
> > >  			clock-frequency = <32000>;
> > >  			#clock-cells = <0>;
> > >  		};
> > > +
> > > +		clk_null: clk_null {
> > > +			compatible = "fixed-clock";
> > > +			#clock-cells = <0>;
> > > +			clock-frequency = <0>;
> > > +		};
> > > +
> > > +		clk26m: clk26m {
> > > +			compatible = "fixed-clock";
> > > +			#clock-cells = <0>;
> > > +			clock-frequency = <26000000>;
> > > +		};
> > 
> > Is this supposed to be here?
> 
> The clock support needs at least the clk26m clk. Do you think it should
> be in another patch or not present at all?

I didn't see anything which referenced either clk_null or clk26m in this
patch.  My main concern was that clk_null, but my concern grew when I
found that clk26m wasn't referenced either.

If the MT8135 needs it, shouldn't something in its description reference
this clock?

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