Re: [PATCH 0/3] IIO: st_sensors_i2c: improve device enumeration

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On Mon, Jul 2, 2018 at 9:41 AM, Nikolaus Voss
<nikolaus.voss@xxxxxxxxxxxxxxxxxxxxx> wrote:
> On Fri, 29 Jun 2018, Andy Shevchenko wrote:
>
>> I'm not sure I understand how ->probe_new() is supposed to work
>> against i2c_id_table, but I don't care for legacy platform data
>> anyway.
>>
>> What I would like to point to is device_get_match_data() API which
>> should simplify / unify the case how you get driver data.
>
>
> This driver doesn't need any driver data/ platform_data beyond the
> i2c_id_table name (which has already been matched when probe()/ probe_new()
> is called), so strictly neither of_match_table nor apci_match_table would be
> necessary, because i2c DT/ ACPI enumeration also matches against i2c_table
> names.

Looking at the code I see still calls to acpi_match_data() and of_match_data().
Instead nowadays better to use device_get_match_data().

i2c_id_table should be removed from the module device table at least
(though you may continue to use it internally in the driver).

That's my understanding how it should be done.

-- 
With Best Regards,
Andy Shevchenko
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