linux-kernel - Re: [PATCH v4 2/4] ACPI: enable ACPI_SPCR

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Message-ID: <56D5D2DD.30105@linaro.org>
Date:	Tue, 1 Mar 2016 20:35:25 +0300
From:	Aleksey Makarov <aleksey.makarov@...aro.org>
To:	Peter Hurley <peter@...leysoftware.com>, linux-acpi@...r.kernel.org
Cc:	linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Russell King <linux@....linux.org.uk>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"Rafael J . Wysocki" <rjw@...ysocki.net>,
	Leif Lindholm <leif.lindholm@...aro.org>,
	Graeme Gregory <graeme.gregory@...aro.org>,
	Al Stone <ahs3@...hat.com>,
	Christopher Covington <cov@...eaurora.org>,
	Yury Norov <ynorov@...iumnetworks.com>,
	"Zheng, Lv" <lv.zheng@...el.com>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>
Subject: Re: [PATCH v4 2/4] ACPI: enable ACPI_SPCR_TABLE on ARM64



On 03/01/2016 06:27 PM, Peter Hurley wrote:
> On 02/29/2016 04:02 AM, Aleksey Makarov wrote:
>> SBBR mentions SPCR as a mandatory ACPI table.
>> So enable it for ARM64
> 
> Why is this opt-in per-arch?

It could depend only on CONFIG_ACPI.
I will do that in the next version, thank you

>> Signed-off-by: Aleksey Makarov <aleksey.makarov@...aro.org>
>> ---
>>  arch/arm64/Kconfig | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
>> index 9dc5209..544af2e 100644
>> --- a/arch/arm64/Kconfig
>> +++ b/arch/arm64/Kconfig
>> @@ -3,6 +3,7 @@ config ARM64
>>  	select ACPI_CCA_REQUIRED if ACPI
>>  	select ACPI_GENERIC_GSI if ACPI
>>  	select ACPI_REDUCED_HARDWARE_ONLY if ACPI
>> +	select ACPI_SPCR_TABLE if ACPI
>>  	select ARCH_HAS_DEVMEM_IS_ALLOWED
>>  	select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
>>  	select ARCH_HAS_ELF_RANDOMIZE
>>
>