Re: [PATCH v5 09/14] ACPI: platform: setup MSI domain for ACPI based platform device

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On 2016/12/29 22:44, Sinan Kaya wrote:
> On 12/25/2016 8:31 PM, Hanjun Guo wrote:
>>> A type->setup() would be somewhat cleaner I think, but then it's more
>>> code.  Whichever works better I guess. :-)
>> Agree, I will demo the type->setup() way and send out the patch for review,
>> also I find one minor issue for the IORT code, will update that also for next
>> version.
> Can you provide details on what the minor issue is with the IORT code?

It's about the mapping of NC (named component) -> SMMU -> ITS, we can
describe it as two ID mappings:
 - NC->SMMU
 - NC->ITS
And the code for now can work perfect for such id mappings, but if we
want to support chained mapping NC  -> SMMU -> ITS, we need to add
extra code which in my [PATCH v5 10/14] ACPI: ARM64: IORT: rework
iort_node_get_id() for NC->SMMU->ITS case, but I just scanned the first
id mapping for now, I think I need to scan all the id mappings (but seems
single id mappings don't need to do that, I will investigate it more).

Thanks
Hanjun

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