[PATCH v2 1/4] omapdrm: fix compatible string for td028ttec1
H. Nikolaus Schaller
hns at goldelico.com
Thu Nov 16 08:10:56 PST 2017
Hi Andrew,
> Am 16.11.2017 um 16:53 schrieb Andrew F. Davis <afd at ti.com>:
>
> On 11/16/2017 07:43 AM, H. Nikolaus Schaller wrote:
>>
>>> Am 16.11.2017 um 13:32 schrieb Tomi Valkeinen <tomi.valkeinen at ti.com>:
>>>
>>> On 16/11/17 10:50, H. Nikolaus Schaller wrote:
>>>> The vendor name was "toppoly" but other panels and the vendor list
>>>> have defined it as "tpo". So let's fix it in driver and bindings.
>>>>
>>>> Signed-off-by: H. Nikolaus Schaller <hns at goldelico.com>
>>>> ---
>>>
>>>
>>>> -MODULE_ALIAS("spi:toppoly,td028ttec1");
>>>> +MODULE_ALIAS("spi:tpo,td028ttec1");
>>>
>>> Doesn't this mean that the module won't load if you have old bindings?
>>
>> Hm.
>>
>> Well, I think it can load but doesn't automatically from DT strings which might
>> be unexpected.
>>
>>> Can't we have two module aliases?
>>
>> I think we can. Just a random example:
>> https://elixir.free-electrons.com/linux/latest/source/drivers/w1/slaves/w1_therm.c#L754
>>
>> So we should keep both.
>
> Even better would be to drop both MODULE_ALIAS and let the
> MODULE_DEVICE_TABLE macro define them for your from the SPI id table.
Why would that be better?
As far as I see it will need more code and changes than adding one line of
MODULE_ALIAS.
> Although it doesn't look like this driver has an SPI id table, you
> should probably add one, I be interested to see if this module is always
> being matched through the "spi" or the "of" alias..
Could you please propose how that code should look like, so that I can test?
BR and thanks,
Nikolaus Schaller
>
>>
>> Should I submit a new version?
>>
>> BR,
>> Nikolaus
>>
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