[PATCH 1/3] of: Add of_match_machine helper

[Rob Herring]

On Fri, Aug 8, 2014 at 8:23 AM, Tuomas Tynkkynen <ttynkkynen at nvidia.com> wrote:
>
>
> 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.

Agreed.

For the series:

Acked-by: Rob Herring <robh at kernel.org>

Rob