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From: ttynkkynen@nvidia•com (Tuomas Tynkkynen)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 1/3] of: Add of_match_machine helper
Date: Fri, 8 Aug 2014 16:23:26 +0300	[thread overview]
Message-ID: <53E4CF4E.6010500@nvidia.com> (raw)
In-Reply-To: <20140808094123.GC5387@ulmo>



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

  reply	other threads:[~2014-08-08 13:23 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-07 23:01 [PATCH 0/3] Introduce of_match_machine() helper Tuomas Tynkkynen
2014-08-07 23:01 ` [PATCH 1/3] of: Add of_match_machine helper Tuomas Tynkkynen
2014-08-08  9:41   ` Thierry Reding
2014-08-08 13:23     ` Tuomas Tynkkynen [this message]
2014-08-08 19:01       ` Rob Herring
2014-08-17 15:31         ` Grant Likely
2014-08-17 15:28   ` Grant Likely
2014-08-18 10:10     ` Tuomas Tynkkynen
2014-08-07 23:01 ` [PATCH 2/3] soc/tegra: Use of_match_machine in soc_is_tegra() Tuomas Tynkkynen
2014-08-07 23:28   ` Stephen Warren
2014-08-08  9:43   ` Thierry Reding
2014-08-07 23:01 ` [PATCH 3/3] cpuidle: big.LITTLE: Use of_match_machine Tuomas Tynkkynen
2014-08-08  9:45   ` Thierry Reding
2014-08-25 17:45 ` [PATCH 0/3] Introduce of_match_machine() helper Stephen Warren
2014-09-19 13:12   ` Peter De Schrijver
2014-09-24  7:44     ` Peter De Schrijver

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