linux-kernel - Re: [Linaro-acpi] [RFC part1 PATCH 1/7] ACPI: Make ACPI core running without PCI on ARM64

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Message-ID: <20131209170617.GC30717@srcf.ucam.org>
Date:	Mon, 9 Dec 2013 17:06:17 +0000
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Hanjun Guo <hanjun.guo@...aro.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Tomasz Nowicki <tomasz.nowicki@...aro.org>,
	Mark Rutland <Mark.Rutland@....com>,
	"linaro-kernel@...ts.linaro.org" <linaro-kernel@...ts.linaro.org>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	"patches@...aro.org" <patches@...aro.org>,
	Olof Johansson <olof@...om.net>,
	Linus Walleij <linus.walleij@...aro.org>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Will Deacon <Will.Deacon@....com>,
	"linaro-acpi@...ts.linaro.org" <linaro-acpi@...ts.linaro.org>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"rob.herring@...xeda.com" <rob.herring@...xeda.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [Linaro-acpi] [RFC part1 PATCH 1/7] ACPI: Make ACPI core
 running without PCI on ARM64

On Mon, Dec 09, 2013 at 05:35:04PM +0100, Arnd Bergmann wrote:

> Exactly. In particular we don't want people to get the wrong idea about
> where we are heading, so making it possible to use this code on embedded
> systems for me is a reason *not* to take the patch.

People are trying to deploy ACPI-based embedded x86, and most of the 
ACPI/DT integration discussion seems to have been based on the idea that 
this is a worthwhile thing to support. If we're not interested in doing 
so then we should probably make that a whole kernel decision rather than 
a per architecture one.

-- 
Matthew Garrett | mjg59@...f.ucam.org
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