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

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Date:	Thu, 23 Jan 2014 16:39:39 +0000
From:	Catalin Marinas <catalin.marinas@....com>
To:	Hanjun Guo <hanjun.guo@...aro.org>
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 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.

-- 
Catalin
--
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