Re: [PATCH 2/4] misc: ds1682: Add OF device ID table

From: Javier Martinez Canillas
Date: Tue Mar 14 2017 - 20:38:52 EST


Hello Arnd,

Thanks a lot for your feedback.

On 03/14/2017 05:46 PM, Arnd Bergmann wrote:
> On Tue, Mar 14, 2017 at 4:16 PM, Javier Martinez Canillas
> <javier@xxxxxxxxxxxxxxx> wrote:
>
>> +static const struct of_device_id ds1682_of_match[] = {
>> + { .compatible = "dallas,ds1682", },
>> + {}
>> +};
>> +MODULE_DEVICE_TABLE(of, ds1682_of_match);
>> +
>> static struct i2c_driver ds1682_driver = {
>> .driver = {
>> .name = "ds1682",
>> + .of_match_table = of_match_ptr(ds1682_of_match),
>> },
>> .probe = ds1682_probe,
>> .remove = ds1682_remove,
>
> This will cause a warning if CONFIG_OF is disabled, since ds1682_of_match
> becomes unused in this case. Please remove the of_match_ptr() around
> the reference to ds1682_of_match.
>

Right, I tested it when CONFIG_OF is disabled with gcc (GCC) 6.3.1 20161221
and I didn't see any warning. But you are right and I'll re-spin the series
without using the macro.

> Arnd
>

Best regards,
--
Javier Martinez Canillas
Open Source Group
Samsung Research America