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SubjectRe: [PATCH] crypto: picoxcell - Fix module autoload for non-OF registration
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On 01/02/2017 01:24 PM, Arnd Bergmann wrote:
> On Monday, January 2, 2017 1:13:24 PM CET Javier Martinez Canillas wrote:
>> Hello Arnd,
>>
>> On 01/02/2017 01:05 PM, Arnd Bergmann wrote:
>>> On Monday, January 2, 2017 12:38:02 PM CET Javier Martinez Canillas wrote:
>>>> If the driver is built as a module, autoload won't work because the module
>>>> alias information is not filled. So user-space can't match the registered
>>>> device with the corresponding module if the device isn't registered via OF.
>>>>
>>>> Export the module alias information using the MODULE_DEVICE_TABLE() macro.
>>>
>>> I think we can just remove the table, as the platform only supports
>>> booting through DT anyway.
>>>
>>
>> Agreed. I should had checked if mach-picoxcell was DT-only indeed.
>>
>> Should I also make the driver to depend on OF and remove the #ifdefery then?
>
> I don't think we need a dependency, the #ifdef checks in there were needed
> only to make the driver smaller if OF is disabled and it should still build
> fine if someone tries to compile it for CONFIG_COMPILE_TEST without
> CONFIG_OF.
>

OK, the driver doesn't depend on COMPILE_TEST though but I agree with you
since it seems the driver only has runtime but no build time dependencies
with ARCH_PICOXCELL.

> If we remove the platform ID, we can however also remove the
> spacc_is_compatible() function and just call of_device_is_compatible()
> in its place.
>

Yes.

> Arnd
>

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

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