Re: [PATCH v6 00/10] acpi, clocksource: add GTDT driver and GTDT support in arm_arch_timer

Will Deacon
2016-07-01T15:23:36Z

On Thu, Jun 30, 2016 at 09:48:02PM +0800, Hanjun Guo wrote:
> On 2016/6/30 21:27, Rafael J. Wysocki wrote:
> >On Thursday, June 30, 2016 10:10:02 AM Hanjun Guo wrote:
> >>GTDT is part of ACPI spec, drivers/acpi/ is for driver code of
> >>ACPI spec, I think it can stay in drivers/acpi/ from this point
> >>of view, am I right?
> >
> >The question is not "Can it?", but "Does it need to?".
> >
> >It is in the spec, but still there's only one architecture needing it.
> >
> >There is no way to test it on any other architecture and no reason to build it
> >for any other architecture, so why does it need to be located in drivers/acpi/ ?
>
> I'm fine to move it to other places such as arch/arm64/kernel/, but I
> would like to ask ARM64 maintainer's suggestion for this.
>
> Will, Catalin, what's your opinion on this?

We don't have any device-tree code for the architected timer under
arch/arm64, so I don't see why we should need anything for ACPI either.

Will