linux-kernel - Re: [PATCH v9 19/21] ARM64 / ACPI: Enable ARM64 in Kconfig

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Message-ID: <1797670.bIRcmDHebW@vostro.rjw.lan>
Date:	Wed, 04 Mar 2015 23:52:34 +0100
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Hanjun Guo <hanjun.guo@...aro.org>
Cc:	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Olof Johansson <olof@...om.net>,
	Grant Likely <grant.likely@...aro.org>,
	Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
	Arnd Bergmann <arnd@...db.de>,
	Mark Rutland <mark.rutland@....com>,
	Graeme Gregory <graeme.gregory@...aro.org>,
	Sudeep Holla <Sudeep.Holla@....com>,
	Jon Masters <jcm@...hat.com>,
	Marc Zyngier <marc.zyngier@....com>,
	Mark Brown <broonie@...nel.org>,
	Robert Richter <rric@...nel.org>,
	Timur Tabi <timur@...eaurora.org>,
	Ashwin Chaugule <ashwinc@...eaurora.org>,
	suravee.suthikulpanit@....com, linux-acpi@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linaro-acpi@...ts.linaro.org, Al Stone <al.stone@...aro.org>
Subject: Re: [PATCH v9 19/21] ARM64 / ACPI: Enable ARM64 in Kconfig

On Wednesday, February 25, 2015 04:39:59 PM Hanjun Guo wrote:
> From: Graeme Gregory <graeme.gregory@...aro.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@...ysocki.net>
> CC: Catalin Marinas <catalin.marinas@....com>
> CC: Will Deacon <will.deacon@....com>
> Reviewed-by: Grant Likely <grant.likely@...aro.org>
> Tested-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@....com>
> Tested-by: Yijing Wang <wangyijing@...wei.com>
> Tested-by: Mark Langsdorf <mlangsdo@...hat.com>
> Tested-by: Jon Masters <jcm@...hat.com>
> Tested-by: Timur Tabi <timur@...eaurora.org>
> Tested-by: Robert Richter <rrichter@...ium.com>
> Acked-by: Robert Richter <rrichter@...ium.com>
> 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>

For the changes in drivers/acpi/Kconfig:

Acked-by: Rafael J. Wysocki <rafael.j.wysocki@...el.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.
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