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SubjectRe: [PATCH v3 3/7] ACPICA: IORT: Add Cavium ThunderX2 SMMUv3 model definition.
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On 05/05/2017 10:58 AM, Will Deacon wrote:
> On Fri, May 05, 2017 at 07:56:17AM -0700, David Daney wrote:
>> On 05/05/2017 06:53 AM, Hanjun Guo wrote:
>>> On 2017/5/5 20:08, Geetha sowjanya wrote:
>>>> From: Linu Cherian <linu.cherian@cavium.com>

>>>> +#define ACPI_IORT_SMMU_V3_CAVIUM_CN99XX 0x00000002 /* Cavium ThunderX2
>>>> SMMUv3 */
>>>
>>> There are some other model numbers in the unreleased spec,
>>> I think we need to wait for the updated IORT spec to
>>> be released.

Indeed. I've synced with the author on this and he's got it in hand.

>> ... or if we are fairly confident that the identifier will not need to
>> change, we can merge this as is and establish a de facto specification that
>> the Real IORT specification will then be forced to follow.

Can't do that - this always causes trouble ;) But if there's any delay
I'll ask that the IDs at least be listed somewhere public or something.

>> Is there anything other than bureaucratic inertia holding up the real
>> specification?
>
> My understanding is that IORT is going to be published imminently (i.e.
> before the next kernel release), so it makes sense to wait rather than fork
> the spec.

Let's track this and get the updated patches posted next week once the
new ID drops. Meanwhile, I suggest reviewing them as-is for other
issues. I'm tracking this for internal purposes and require this to be
upstream asap so I'll be sitting on this thread for updates ;)

Jon.

--
Computer Architect | Sent from my Fedora powered laptop

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