linux-kernel - Re: [Linaro-acpi] [PATCH v2 00/18] Introduce ACPI for ARM64 based on ACPI 5.1

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Message-ID: <20140818181149.GG2094@xora-yoga-deb.xora.org.uk>
Date:	Mon, 18 Aug 2014 19:11:49 +0100
From:	Graeme Gregory <graeme.gregory@...aro.org>
To:	Alexander Spyridakis <a.spyridakis@...tualopensystems.com>
Cc:	Hanjun Guo <hanjun.guo@...aro.org>, linaro-acpi@...ts.linaro.org,
	Liviu Dudau <Liviu.Dudau@....com>,
	Lv Zheng <lv.zheng@...el.com>, Rob Herring <robh@...nel.org>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Robert Moore <robert.moore@...el.com>,
	linux-acpi@...r.kernel.org,
	Catalin Marinas <catalin.marinas@....com>,
	Robert Richter <rric@...nel.org>,
	Jason Cooper <jason@...edaemon.net>,
	Arnd Bergmann <arnd@...db.de>,
	Marc Zyngier <marc.zyngier@....com>,
	Will Deacon <will.deacon@....com>,
	Mark Brown <broonie@...nel.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Randy Dunlap <rdunlap@...radead.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	linux-kernel@...r.kernel.org, Olof Johansson <olof@...om.net>
Subject: Re: [Linaro-acpi] [PATCH v2 00/18] Introduce ACPI for ARM64 based on
 ACPI 5.1

On Mon, Aug 18, 2014 at 07:08:59PM +0200, Alexander Spyridakis wrote:
> > Yes, I think so. If you meet any problem , please let us know, and we will
> > update the wiki.
> >
> >>
> >> Should I assume that UEFI is mandatory (alternative being the aarch64
> >> bootwrapper), as described in Documentation/arm64/arm-acpi.txt?
> >
> > Yes, UEFI is mandatory if you want to use ACPI.
> 
> Hello Hanjun,
> 
> What tables do you use for the foundation model (or AEMv8)?
> 
> The ones found in this repository:
> git://git.linaro.org/leg/acpi/acpi-asl.git are ACPIv5.0, and when the
> kernel gets pointed to them acpi is disabled because it expects an
> FADT v5.1 or later. Of course building these tables with latest ACPICA
> also fails.
> 
I updated that repository to ACPI 5.1 approximately 4 hours ago.

If you re-fetch you should see 5.1 tables for foundation model.

Graeme

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