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SubjectRe: [PATCH 1/2] acpi: arm64: add iort support for PMCG
Hi Robin,
Thank you for the review.

On 8/7/2017 7:17 AM, Robin Murphy wrote:
> Hi Neil,
> On 04/08/17 20:59, Neil Leeder wrote:
>> + res[1].start = pmcg->base_address + SZ_64K;
> Ugh, I see there's a nasty spec hole here - IORT only defines one base
> address, but SMMUv3 says *both* pages have imp-def base addresses. I
> guess this assumption of them being in consecutive 64K regions holds for
> your platform, but as things stand it doesn't appear possible to rely on
> it generally :(
> I'll follow up internally to see if we need to get IORT and/or SBSA
> updated or clarified.
Thanks. I'll wait for the outcome before submitting a new patch.

>> diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
>> index 707dda74..2169b6f 100644
>> --- a/include/acpi/actbl2.h
>> +++ b/include/acpi/actbl2.h
> Hopefully these changes are merely here for reference, but just in case
> it needs to be said, they should go as a separate patch via ACPICA
> (presumably there's also some corresponding iASL stuff to compile PMCG
> nodes in the first place).
Yes, I'll submit this to ACPICA once the IORT addresses get figured out.

Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project.

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