linux-kernel - Re: [PATCH 4/4] cpufreq, highbank: add support for highbank cpufreq

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Message-ID: <1523559.2KevGvelzH@vostro.rjw.lan>
Date:	Sat, 26 Jan 2013 23:24:12 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Shawn Guo <shawn.guo@...aro.org>
Cc:	Mark Langsdorf <mark.langsdorf@...xeda.com>,
	linux-kernel@...r.kernel.org, cpufreq@...r.kernel.org,
	linux-pm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 4/4] cpufreq, highbank: add support for highbank cpufreq

On Saturday, January 26, 2013 10:39:53 PM Shawn Guo wrote:
> Mark,
> 
> On Fri, Jan 25, 2013 at 01:46:45PM -0600, Mark Langsdorf wrote:
> > +static int hb_cpufreq_driver_init(void)
> > +{
> > +	struct device *cpu_dev;
> > +	struct clk *cpu_clk;
> > +	struct device_node *np;
> > +	int ret;
> > +
> > +	for_each_child_of_node(of_find_node_by_path("/cpus"), np)
> > +		if (of_get_property(np, "operating-points", NULL))
> > +			break;
> > +
> > +	if (!np) {
> > +		pr_err("failed to find highbank cpufreq node\n");
> > +		return -ENOENT;
> > +	}
> > +
> ...
> > +out_put_node:
> > +	of_node_put(np);
> > +	return ret;
> > +}
> > +module_init(hb_cpufreq_driver_init);
> 
> As we are moving to multiplatform build, this init function will run
> on all other platforms built together with highbank.  We should
> probably eliminate that effect.

That change can be made on top of the Mark's patches I think, right?

If so, I'd prefer it that way.  The Mark's patches have been in a limbo for
too long already and that issue doesn't seem to be serious enough to block
them any longer.

Thanks,
Rafael


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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