Hi David,

2017-09-06 11:09 GMT+09:00 David Daney <dda...@caviumnetworks.com>:
> On 09/05/2017 06:40 PM, Masahiro Yamada wrote:
>>
>> IRQ_DOMAIN_HIERARCHY is not user-configurable, but supposed to be
>> selected by drivers that need IRQ domain hierarchy support.
>>
>> GPIO_THUNDERX is the only user of "depends on IRQ_DOMAIN_HIERARCHY".
>> This means, we can not enable GPIO_THUNDERX unless other drivers
>> select IRQ_DOMAIN_HIERARCHY elsewhere.  This is odd.  Flip the logic.
>>
>> Signed-off-by: Masahiro Yamada <yamada.masah...@socionext.com>
>
>
> IRQ_DOMAIN_HIERARCHY is set as a result of ARCH_THUNDER (this SoC hardware),
> so it actually works as-is.


Right, ARCH_THUNDER does not select it directly,
but does it indirectly.  (this is not so clear...)

ARCH_THUNDER  -> ARM64 -> ARM_GIC -> IRQ_DOMAIN_HIERARCHY



>  That said, this looks like a reasonable
> improvement, and will allow the COMPILE_TEST to enable it, so...
>
> Acked-by: David Daney <david.da...@cavium.com>


BTW, I could not understand your intention of
(64BIT && COMPILE_TEST)

Why can COMPILE_TEST be enabled when 64BIT?


-- 
Best Regards
Masahiro Yamada

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