linux-kernel - Re: [PATCH 1/1] cpufreq: eeepc 900 frequency scaling driver

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Message-ID: <20081202161520.GA18252@srcf.ucam.org>
Date:	Tue, 2 Dec 2008 16:15:21 +0000
From:	Matthew Garrett <mjg@...hat.com>
To:	Pavel Machek <pavel@...e.cz>
Cc:	Cristiano Prisciandaro <cristiano.p@...net.ch>,
	Dave Jones <davej@...hat.com>, cpufreq@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] cpufreq: eeepc 900 frequency scaling driver

On Sun, Nov 23, 2008 at 07:04:09PM +0100, Pavel Machek wrote:

> Is this really needed? Could we simply talk to the cpu directly,
> without help of ACPI?

No. The ACPI write ends up talking to the embedded controller and some 
io ports.

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