linux-kernel - Re: [PATCH v4 06/18] ARM64 / ACPI: Introduce early

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Date:	Tue, 16 Sep 2014 06:55:49 +0800
From:	Hanjun Guo <hanjun.guo@...aro.org>
To:	Olof Johansson <olof@...om.net>
CC:	Catalin Marinas <catalin.marinas@....com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Mark Rutland <mark.rutland@....com>,
	Grant Likely <grant.likely@...aro.org>,
	Will Deacon <will.deacon@....com>,
	Graeme Gregory <graeme.gregory@...aro.org>,
	Arnd Bergmann <arnd@...db.de>,
	Sudeep Holla <Sudeep.Holla@....com>,
	Jon Masters <jcm@...hat.com>,
	Jason Cooper <jason@...edaemon.net>,
	Marc Zyngier <marc.zyngier@....com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Mark Brown <broonie@...nel.org>, Rob Herring <robh@...nel.org>,
	Robert Richter <rric@...nel.org>,
	Lv Zheng <lv.zheng@...el.com>,
	Robert Moore <robert.moore@...el.com>,
	Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
	Liviu Dudau <Liviu.Dudau@....com>,
	Randy Dunlap <rdunlap@...radead.org>,
	Charles.Garcia-Tobin@....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 v4 06/18] ARM64 / ACPI: Introduce early_param for "acpi"

On 2014年09月15日 14:28, Olof Johansson wrote:
> On Fri, Sep 12, 2014 at 10:00:04PM +0800, Hanjun Guo wrote:
>> From: Al Stone <al.stone@...aro.org>
>>
>> Introduce one early parameters "off" for "acpi" to disable ACPI on
>> ARM64.
>>
>> This ensures the kernel uses the DT on a platform that provides both
>> ACPI tables and DT.
>>
>> Signed-off-by: Al Stone <al.stone@...aro.org>
>> Signed-off-by: Graeme Gregory <graeme.gregory@...aro.org>
>> Signed-off-by: Hanjun Guo <hanjun.guo@...aro.org>
>> ---
>>  Documentation/kernel-parameters.txt |    3 ++-
>>  arch/arm64/kernel/acpi.c            |   15 +++++++++++++++
>>  2 files changed, 17 insertions(+), 1 deletion(-)
>>
>> diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
>> index 5ae8608..9dfb1d8 100644
>> --- a/Documentation/kernel-parameters.txt
>> +++ b/Documentation/kernel-parameters.txt
>> @@ -165,7 +165,7 @@ multipliers 'Kilo', 'Mega', and 'Giga', equalling 2^10, 2^20, and 2^30
>>  bytes respectively. Such letter suffixes can also be entirely omitted.
>>  
>>  
>> -	acpi=		[HW,ACPI,X86]
>> +	acpi=		[HW,ACPI,X86,ARM]
> ARM64, not ARM.

I will update it.

Thanks
Hanjun
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