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    SubjectRe: [PATCH 1/2] arm/arm64: ACPI: Introduce CONFIG_ACPI_MUST_HAVE_CCA
    On Thu, Apr 30, 2015 at 02:47:13PM +0100, Hanjun Guo wrote:
    > On 2015年04月29日 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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