[PATCH 1/3] of: base: add support to get machine compatible string

Sekhar Nori nsekhar at ti.com
Wed Nov 23 04:13:09 PST 2016


On Wednesday 23 November 2016 05:37 PM, Sudeep Holla wrote:
>> So, the if(!of_node_get()) is just an expensive NULL pointer check. I
>> think
>> it is better to be explicit about it by not using of_node_get/put() at
>> all.
>> How about:
>>
> 
> Are we planning to use this in any time sensitive paths? Anyways I am
> fine removing them.

Not worried about the time taken as much as it serving as a bad example
and getting carried over to other places where the impact might actually
be real.

> 
>> +int of_machine_get_model_name(const char **model)
>> +{
>> +       int error;
>> +
>> +       if (!of_root)
>> +               return -EINVAL;
>> +
>> +       error = of_property_read_string(of_root, "model", model);
>> +       if (error)
>> +               error = of_property_read_string_index(of_root,
>> "compatible",
>> +                                                     0, model);
>> +       return error;
>> +}
>> +EXPORT_SYMBOL(of_machine_get_model_name);
>>
>> I know the patch is already in -next so I guess it depends on how
>> strongly
>> Rob feels about this.
> 
> Frank expressed his concerns and it may be reverted.

Didn't notice that. I will check that thread. Thanks!

Regards,
Sekhar




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