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Date:      Sun, 14 Jan 2001 00:25:37 +0900
From:      Takanori Watanabe <takawata@shidahara1.planet.sci.kobe-u.ac.jp>
To:        Mitsuru IWASAKI <iwasaki@jp.FreeBSD.org>
Cc:        hackers@FreeBSD.ORG
Subject:   Re: CFR: Generalized power-management interface
Message-ID:  <200101131525.AAA05193@shidahara1.planet.sci.kobe-u.ac.jp>
In-Reply-To: Your message of "Sat, 13 Jan 2001 23:15:49 JST." <20010113231549X.iwasaki@jp.FreeBSD.org>

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In message <20010113231549X.iwasaki@jp.FreeBSD.org>, Mitsuru IWASAKI さんいわく
:
>> >I've update the patch based on some comments so far and added wmpm
>> >(actually ACPI support for wmapm which is utility for WindowMaker)
>> >ports files as a example.
>> >
>> >http://people.freebsd.org/~iwasaki/acpi/power-20010113.tar.gz
>> 
>> What about treating it as a part of ioctl in existing device, then 
>> make symbolic link to a generalzed name,instead of consuming new 
>> major number?
>
>Does `existing device' mean APM or ACPI?

Yes .

>We don't know which power management system is enabled on the actual
>system, so it's impossible.  We need one mandatory device for PM to be
>generalized.  I think the opposite way is more reasonable.

Why? Is it bad to check whether the device is available or not in rc? 

Takanori Watanabe
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