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SubjectRe: [PATCH v4 13/13] ARM64 / ACPI: Enable ARM64 in Kconfig
On 2014-6-30 18:46, Catalin Marinas wrote:
> On Fri, Jun 27, 2014 at 04:49:36AM +0100, Hanjun Guo wrote:
>> diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
>> index 7de5e3f..33d6dbb 100644
>> --- a/drivers/acpi/Kconfig
>> +++ b/drivers/acpi/Kconfig
>> @@ -8,10 +8,10 @@ config ACPI_SCAN_BIOS_NOT_EFI
>> menuconfig ACPI
>> bool "ACPI (Advanced Configuration and Power Interface) Support"
>> depends on !IA64_HP_SIM
>> - depends on IA64 || X86
>> + depends on IA64 || X86 || ARM64
>
> I still don't understand what the point of enabling ACPI for arm64
> during this series is. Do you get any working arm64 functionality
> (on hardware or model) without subsequent patches? If it's just for
> compilation reasons, the best we could do is depending on (ARM64 &&
> COMPILE_TEST) but even though I would not merge this patch until we have
> most of the arm64 required features in place (some of which are
> introduced by the upcoming ACPI version).

it is ok to me to merge all the patches together, but if Rafael is happy
with the clean up patches (patch 1~3) for ACPI core, they can be merged
first.

>
>> depends on PCI
>> select PNP
>> - default y
>> + default y if !ARM64
>
> For the benefit of single Image, I think you can default to y here.

It ok to me. if we default to y here, devicetree will not be unflattened
in default, is it ok to you? you can refer to "[PATCH 12/13] ARM64 / ACPI: if
we chose to boot from acpi then disable FDT".

Thanks
Hanjun


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