linux-kernel - Re: [Q] APM depends on PM

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Message-Id: <200710051749.52685.rjw@sisk.pl>
Date:	Fri, 5 Oct 2007 17:49:52 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Guennadi Liakhovetski <g.liakhovetski@....de>
Cc:	linux-kernel@...r.kernel.org, linux-pm@...ts.linux-foundation.org
Subject: Re: [Q] APM depends on PM_SLEEP?

On Friday, 5 October 2007 16:18, Guennadi Liakhovetski wrote:
> Why does APM depend on PM_SLEEP?

Because APM uses the suspend core functions in drivers/base/power .

> So without sleep support you cannot use "Make CPU Idle calls when idle ",
> "Use real mode APM BIOS call to power off" etc? Found in 23-rc9-git of
> yesterday. 

Selecting CONFIG_SUSPEND without ACPI only causes the suspend core (used
by APM) and kernel/power/main.c to be compiled in.

Greetings,
Rafael
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