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Re: CVS commit: src/sys/dev/acpi

From: "David Young" <>
Sent: Tuesday, April 07, 2009 8:23 PM
To: <>
Subject: CVS commit: src/sys/dev/acpi

Module Name: src
Committed By: dyoung
Date: Wed Apr  8 00:23:30 UTC 2009

Modified Files:
src/sys/dev/acpi: acpi.c acpivar.h

Log Message:
Refactor slightly to create acpi_rescan(), a hook for rescanning the
devices that attach at acpi(4).

Begin deriving an acpi(4) device-detachment hook, acpi_detach(), from
acpi_attach().  The code between #if 0 and #endif still needs to be
turned to the opposite calls (enables to disables, maps to unmaps,
attaches to detaches), which should be run in the opposite order.
Somebody with deep ACPI knowledge can probably finish this off without
too much trouble.

Detaching ACPI is more complicated than this because it is actually used for much more than just device attachment; think about IRQ routing, PCI bus discovery, PCI bus/addr/intr fixups, and CPU attachment as some examples. It's probably not worth the effort.


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