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Date: Mon, 10 Jan 2005 13:03:27 -0800
From: Nate Lawson <nate@root.org>
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To: "Moore, Robert" <robert.moore@intel.com>
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cc: acpi@FreeBSD.org
cc: ACPI Developers <acpi-devel@lists.sourceforge.net>
Subject: Re: acpi-ca reports \_SB as a device
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Ok, your rationale seems sound.  We'll keep the workaround of skipping 
such namespace system objects when scanning from the root.

-Nate

Moore, Robert wrote:
> For _SB_, this allows the _SB_._INI method to be run.
> 
> For _TZ, this allows notifies on the _TZ object.  Some ASL code does
> this.
> 
> 
> 
>>-----Original Message-----
>>From: Nate Lawson [mailto:nate@root.org]
>>Sent: Saturday, January 08, 2005 1:05 AM
>>To: ACPI Developers
>>Cc: acpi@FreeBSD.org
>>Subject: acpi-ca reports \_SB as a device
>>
>>If you call AcpiGetType on \_SB, you get "device" and \_TZ gives
>>"thermal".  I don't think this is valid since these are system scopes,
>>not devices and thermal zones.
>>
>>I found this while testing a patch that scans the whole namespace (\)
>>for devices.  It turns out some systems put PCI link devices (PNP0C0F)
>>in \, so we weren't probing them.