Re: [PATCH v3 1/3] cpufreq: kirkwood: Add a cpufreq driver for Marvell Kirkwood SoCs

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On Sun, Jan 27, 2013 at 06:23:58PM +0100, Andrew Lunn wrote:
> > > +	clkspec.np = np;
> > > +	clkspec.args_count = 1;
> > > +	clkspec.args[0] = 1;
> > > +
> > > +	priv.cpu_clk = of_clk_get_from_provider(&clkspec);
> > 
> > Oh, yet another way to get clocks...
> 
> Yep. I didn't like it, but could not find a better way.  It has been
> argued that cpufreq drivers should not have nodes in DT. So the normal
> of_clk_get() does not work. Since the clocks themselves are
> instantiated from DT, there are no clkdev alias, so plain clk_get()
> also does not work.
> 
But you should have a cpu node in DT, and it will be perfectly fine to
have cpu node consume that core_clk.

Shawn

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