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From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: Hanjun Guo <hanjun.guo@linaro.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will.deacon@arm.com>, Olof Johansson <olof@lixom.net>,
        Grant Likely <grant.likely@linaro.org>,
        Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>,
        Arnd Bergmann <arnd@arndb.de>, Mark Rutland <mark.rutland@arm.com>,
        Graeme Gregory <graeme.gregory@linaro.org>,
        Sudeep Holla <Sudeep.Holla@arm.com>, Jon Masters <jcm@redhat.com>,
        Marc Zyngier <marc.zyngier@arm.com>, Mark Brown <broonie@kernel.org>,
        Robert Richter <rric@kernel.org>, Timur Tabi <timur@codeaurora.org>,
        Ashwin Chaugule <ashwinc@codeaurora.org>,
        suravee.suthikulpanit@amd.com, linux-acpi@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        linaro-acpi@lists.linaro.org, Al Stone <al.stone@linaro.org>
Subject: Re: [PATCH v9 19/21] ARM64 / ACPI: Enable ARM64 in Kconfig
Date: Wed, 04 Mar 2015 23:52:34 +0100
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On Wednesday, February 25, 2015 04:39:59 PM Hanjun Guo wrote:
> From: Graeme Gregory <graeme.gregory@linaro.org>
> 
> Add Kconfigs to build ACPI on ARM64, and make ACPI available on ARM64.
> 
> acpi_idle driver is x86/IA64 dependent now, so make CONFIG_ACPI_PROCESSOR
> depend on X86 || IA64, and implement it on ARM64 in the future.
> 
> CC: Rafael J. Wysocki <rjw@rjwysocki.net>
> CC: Catalin Marinas <catalin.marinas@arm.com>
> CC: Will Deacon <will.deacon@arm.com>
> Reviewed-by: Grant Likely <grant.likely@linaro.org>
> Tested-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
> Tested-by: Yijing Wang <wangyijing@huawei.com>
> Tested-by: Mark Langsdorf <mlangsdo@redhat.com>
> Tested-by: Jon Masters <jcm@redhat.com>
> Tested-by: Timur Tabi <timur@codeaurora.org>
> Tested-by: Robert Richter <rrichter@cavium.com>
> Acked-by: Robert Richter <rrichter@cavium.com>
> Signed-off-by: Graeme Gregory <graeme.gregory@linaro.org>
> Signed-off-by: Al Stone <al.stone@linaro.org>
> Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>

For the changes in drivers/acpi/Kconfig:

Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

> ---
>  arch/arm64/Kconfig   | 2 ++
>  drivers/acpi/Kconfig | 3 ++-
>  2 files changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index d00ab9a..e5aa081 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -713,6 +713,8 @@ source "drivers/Kconfig"
>  
>  source "drivers/firmware/Kconfig"
>  
> +source "drivers/acpi/Kconfig"
> +
>  source "fs/Kconfig"
>  
>  source "arch/arm64/kvm/Kconfig"
> diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
> index e6c3ddd..7aa3288 100644
> --- a/drivers/acpi/Kconfig
> +++ b/drivers/acpi/Kconfig
> @@ -5,7 +5,7 @@
>  menuconfig ACPI
>  	bool "ACPI (Advanced Configuration and Power Interface) Support"
>  	depends on !IA64_HP_SIM
> -	depends on IA64 || X86
> +	depends on IA64 || X86 || (ARM64 && EXPERT)
>  	depends on PCI
>  	select PNP
>  	default y
> @@ -163,6 +163,7 @@ config ACPI_PROCESSOR
>  	tristate "Processor"
>  	select THERMAL
>  	select CPU_IDLE
> +	depends on X86 || IA64
>  	default y
>  	help
>  	  This driver installs ACPI as the idle handler for Linux and uses
> 

-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.