22.10.2021 11:46, Wolfram Sang пишет:
>
>> It's I2C driver. I'm not sure about auto-probing because something
>> should provide information about device to Linux. It's possible to
>> detect/scan whether there is device sitting on I2C address, but there is
>> no auto-discovery mechanism, AFAIK.
>
> Well, in general, it could be manually instantiated from userspace...
>
>>
>> TPS80031 device will fail to bind to this driver because it explicitly
>> requires platform data which should be NULL if device is probed solely
>> by I2C ID.
>
> ..but I agree in this case. The driver has this code:
>
> if (!pdata) {
> dev_err(&client->dev, "tps80031 requires platform data\n");
> return -EINVAL;
> }
>
> and git grep shows no user having platform data.
>
> Shouldn't 'drivers/regulator/tps80031-regulator.c' and
> './rtc/rtc-tps80031.c' be removed as well?
>
They are removed by the other 2 patches of this series [1].
[1] https://lore.kernel.org/all/20211021192258.21968-1-digetx@xxxxxxxxx/
