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Date:	Fri, 8 Aug 2014 16:23:26 +0300
From:	Tuomas Tynkkynen <ttynkkynen@...dia.com>
To:	Thierry Reding <thierry.reding@...il.com>
CC:	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	Stephen Warren <swarren@...dotorg.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Subject: Re: [PATCH 1/3] of: Add of_match_machine helper



On 08/08/14 12:41, Thierry Reding wrote:
> 
>> +const struct of_device_id *of_match_machine(const struct of_device_id *matches)
>> +{
>> +	const struct of_device_id *match;
>> +	struct device_node *root;
>> +
>> +	root = of_find_node_by_path("/");
>> +	if (!root)
>> +		return NULL;
>> +
>> +	match = of_match_node(matches, root);
>> +	of_node_put(root);
>> +	return match;
>> +}
>> +EXPORT_SYMBOL(of_match_machine);
> 
> I wonder if of_find_node_by_path("/") is somewhat overkill here. Perhaps
> simply of_node_get(of_allnodes) would be more appropriate here since the
> function is implemented in the core?

of_machine_is_compatible() uses of_find_node_by_path("/") as well, of_allnodes
seems to be only used when during iterating. So I'd prefer to have them
consistent.

-- 
nvpublic
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