linux-kernel - Re: [PATCH 07/20] ARM64 / ACPI: Enable ARM64 in Kconfig

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Message-ID: <52E27C6F.1070503@linaro.org>
Date:	Fri, 24 Jan 2014 22:45:03 +0800
From:	Hanjun Guo <hanjun.guo@...aro.org>
To:	Catalin Marinas <catalin.marinas@....com>
CC:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Will Deacon <Will.Deacon@....com>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"grant.likely@...aro.org" <grant.likely@...aro.org>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	Olof Johansson <olof@...om.net>,
	Linus Walleij <linus.walleij@...aro.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Rob Herring <robh@...nel.org>,
	Mark Rutland <Mark.Rutland@....com>,
	Arnd Bergmann <arnd@...db.de>,
	"patches@...aro.org" <patches@...aro.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linaro-kernel@...ts.linaro.org" <linaro-kernel@...ts.linaro.org>,
	"linaro-acpi@...ts.linaro.org" <linaro-acpi@...ts.linaro.org>,
	Charles Garcia-Tobin <Charles.Garcia-Tobin@....com>,
	"graeme.gregory@...aro.org" <graeme.gregory@...aro.org>,
	Al Stone <al.stone@...aro.org>
Subject: Re: [PATCH 07/20] ARM64 / ACPI: Enable ARM64 in Kconfig

On 2014年01月24日 00:39, Catalin Marinas wrote:
> On Fri, Jan 17, 2014 at 12:25:01PM +0000, Hanjun Guo wrote:
>> Add Kconfigs to build ACPI on ARM64, and make ACPI runable on ARM64.
>>
>> acpi_idle driver is x86/IA64 dependent now, so make CONFIG_ACPI_PROCESSOR
>> depends on X86 || IA64, and implement it on ARM/ARM64 in the furture.
>>
>> In order to make arm-core.c can both run on ARM and ARM64, introduce
>> CONFIG_ACPI_ARM to support it.
>>
>> Signed-off-by: Graeme Gregory <graeme.gregory@...aro.org>
>> Signed-off-by: Al Stone <al.stone@...aro.org>
>> Signed-off-by: Hanjun Guo <hanjun.guo@...aro.org>
>> ---
>>   arch/arm64/Kconfig         |    2 ++
>>   drivers/acpi/Kconfig       |   11 ++++++++---
>>   drivers/acpi/plat/Makefile |    2 +-
>>   3 files changed, 11 insertions(+), 4 deletions(-)
>>
>> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
>> index 6d4dd22..2b1fb1d 100644
>> --- a/arch/arm64/Kconfig
>> +++ b/arch/arm64/Kconfig
>> @@ -279,6 +279,8 @@ source "net/Kconfig"
>>   
>>   source "drivers/Kconfig"
>>   
>> +source "drivers/acpi/Kconfig"
>> +
>>   source "fs/Kconfig"
>>   
>>   source "arch/arm64/kvm/Kconfig"
>> diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
>> index 4770de5..cae5dc9 100644
>> --- a/drivers/acpi/Kconfig
>> +++ b/drivers/acpi/Kconfig
>> @@ -2,13 +2,16 @@
>>   # ACPI Configuration
>>   #
>>   
>> +config ACPI_ARM
>> +	bool
> Could be better as def_bool ARM64
>
>> +
>>   menuconfig ACPI
>>   	bool "ACPI (Advanced Configuration and Power Interface) Support"
>>   	depends on !IA64_HP_SIM
>> -	depends on IA64 || X86
>> -	depends on PCI
>> +	depends on ((IA64 || X86) && PCI) || ARM64
>>   	select PNP
>> -	default y
>> +	select ACPI_ARM if ARM64
> And remove this select here.

Thanks for the guidance, will update in next version.

>

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