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In-reply-to: Your message of "Thu, 03 Oct 2002 14:03:12 MST."
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From: User Takawata <takawata@axe-inc.co.jp>
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Date: Fri, 04 Oct 2002 11:57:40 +0900
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Subject: [acpi-jp 1872] Re: (FWD) no floppy drive with acpi.ko loaded
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In message <8714F224-D713-11D6-9DDF-0050E4660701@freebsd.org>, Michael Smith wr
ote:
>
>That's to be expected; ACPI is not used to enumerate PCI devices, 
>they're
>found by walking the PCI bus.

But it is required to handle special method to power management for PCI 
devices, to route PCI-PCI bus interrupt, to use ATA bus timing setting
informations, to handle ACPI PCI hotplug device, and etc.

>As for hanging devices enumerated by ACPI off acpi0 - I can't see any
>real reason not to do it, as long as we think we can trust their 
>resource
>claims (probably safe).

There are such cases that both the device driver required to know
ACPI information and parent bus other than ISA.


