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Date: Tue, 5 Aug 2003 18:55:18 +0200
To: Patrick Mochel <mochel@osdl.org>
Cc: Tomas Szepe <szepe@pinerecords.com>, lkml <linux-kernel@vger.kernel.org>
Subject: Re: [TRIVIAL] sanitize power management config menus, take two
Message-ID: <20030805165518.GC1511@poupinou.org>
References: <20030805162604.GF18982@louise.pinerecords.com> <Pine.LNX.4.44.0308050946030.23977-100000@cherise>
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From: Ducrot Bruno <poup@poupinou.org>
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On Tue, Aug 05, 2003 at 09:48:04AM -0700, Patrick Mochel wrote:
> 
> > > > o  only enable cpufreq options if power management is selected
> > > > o  don't put cpufreq options in a separate submenu
> > > 
> > > Yes, but what I do not understand is why cpufreq need power management.
> > 
> > Because it is a power management option. :)
> > 
> > CONFIG_PM is a dummy option, it does not link any code into the kernel
> > by itself.
> 
> Actually, it does:
> 
> ./arch/arm/kernel/Makefile:obj-$(CONFIG_PM)             += pm.o
> ./arch/arm/mach-pxa/Makefile:obj-$(CONFIG_PM) += pm.o sleep.o
> ./arch/arm/mach-sa1100/Makefile:obj-$(CONFIG_PM)                        += pm.o sleep.o
> ./arch/i386/kernel/Makefile:obj-$(CONFIG_PM)            += suspend.o
> ./drivers/pci/Makefile:obj-$(CONFIG_PM)  += power.o
> ./kernel/Makefile:obj-$(CONFIG_PM) += pm.o power/
> 
> 
> But, I agree with your change anyway. 

Then why?  You may want to scale cpu frequency without having power
managements in mind.  Likewise for acpi btw (think HT only or irq routing
via acpi for instance).

-- 
Ducrot Bruno

--  Which is worse:  ignorance or apathy?
--  Don't know.  Don't care.