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SubjectRe: [PATCH v14 4/9] acpi/arm64: Add GTDT table parse driver
Hi Mark,

Sorry for the late reply.

On 10/21/2016 12:37 AM, Mark Rutland wrote:
> Hi,
> As a heads-up, on v4.9-rc1 I see conflicts at least against
> arch/arm64/Kconfig. Luckily git am -3 seems to be able to fix that up
> automatically, but this will need to be rebased before the next posting
> and/or merging.
> On Thu, Sep 29, 2016 at 02:17:12AM +0800, wrote:
>> +static int __init map_gt_gsi(u32 interrupt, u32 flags)
>> +{
>> + int trigger, polarity;
>> +
>> + if (!interrupt)
>> + return 0;
> Urgh.
> Only the secure interrupt (which we do not need) is optional in this
> manner, and (hilariously), zero appears to also be a valid GSIV, per
> figure 5-24 in the ACPI 6.1 spec.
> So, I think that:
> (a) we should not bother parsing the secure interrupt
> (b) we should drop the check above
> (c) we should report the spec issue to the ASWG

Sorry, I willing to do that, but I need to figure out the issue here.
What kind of issue in detail? do you mean that zero should not be valid
for arch timer interrupts?


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