Re: [PATCH 1/2] arm/arm64: ACPI: Introduce CONFIG_ACPI_MUST_HAVE_CCA

[Will Deacon]

On Thu, Apr 30, 2015 at 02:47:13PM +0100, Hanjun Guo wrote:
> On 2015å04æ29æ 22:42, Catalin Marinas wrote:
> > On Wed, Apr 29, 2015 at 09:31:03AM -0500, Suravee Suthikulpanit wrote:
> >> On 04/29/2015 09:04 AM, Catalin Marinas wrote:
> >>> On Wed, Apr 29, 2015 at 08:44:08AM -0500, Suravee Suthikulpanit wrote:
> >>> Any plans for ACPI on 32-bit ARM?
> >>
> >> Not that I am aware, but I could be totally wrong. The reason I am adding
> >> this here for 32-bit ARM is because the ACPI spec mentioned this.
> >>
> >> If you think this is not necessary until we introduce ACPI for ARM32, it can
> >> be removed.
> >
> > I think it should be removed (as long as ACPI cannot be selected on
> > arm32).
> 
> I agree.
> 
> Now there is no plan for ARM32 ACPI as I know, ACPI for ARM targets
> for ARM64 based enterprise system at now.

While we're at it, do we *really* need to support CONFIG_ACPI_PROCFS_POWER
on arm64? It's a deprecated /proc/acpi interface and it would be nice to
avoid introducing deprecated behaviour if we can avoid it.

Will
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