On 25/03/2022 15:59, ChiYuan Huang wrote:
> Krzysztof Kozlowski <krzk@xxxxxxxxxx> 於 2022年3月25日 週五 下午10:47寫道：
>>
>>>>> +
>>>>> +static const struct of_device_id __maybe_unused rt5759_device_table[] = {
>>>>
>>>> I don't think this can be __maybe_unused. It is always referenced via
>>>> of_match_table, isn't it?
>>>>
>>> I think it can declared as '__maybe_unused'.
>>> If 'of_device_id' is unused, then in probe stage,
>>> 'of_device_get_match_data' will return NULL.
>>
>> But your of_device_id cannot be unused. It is always referenced.
>>
> I'm not sure, but your assumption is based on 'CONFIG_OF', right?
> Only if 'CONFIG_OF' is not defined, then it'll be really unused.
Is it possible to build this driver without CONFIG_OF? Did you try it?
Best regards,
Krzysztof
