linux-kernel - Re: [PATCH 0/5][RFC] Physical PCI slot objects

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Message-ID: <20071113213108.GB7541@ldl.fc.hp.com>
Date:	Tue, 13 Nov 2007 14:31:08 -0700
From:	Alex Chiang <achiang@...com>
To:	Matt Domsch <Matt_Domsch@...l.com>
Cc:	Greg KH <greg@...ah.com>, Matthew Wilcox <matthew@....cx>,
	gregkh@...e.de, kristen.c.accardi@...el.com, lenb@...nel.org,
	rick.jones2@...com, linux-kernel@...r.kernel.org,
	linux-pci@...ey.karlin.mff.cuni.cz,
	pcihpd-discuss@...ts.sourceforge.net, linux-acpi@...r.kernel.org
Subject: Re: [PATCH 0/5][RFC] Physical PCI slot objects

* Matt Domsch <Matt_Domsch@...l.com>:
> 
> The only reported _SUN problems on Dell systems were on the
> PE6800 and PE6850 systems, which we've fixed with an updated
> BIOS several months ago.  IIRC the values weren't always unique
> which kind of defeated the purpose.

FWIW, the ACPI 2.0 spec did not require uniqueness for _SUN.
(although there is a strange table that refers to _SUN as the
slot-unique ID (table 6-1 in spec v2.0b), the actual definition
of _SUN does not mention uniqueness).

Uniqueness was first required in the 3.0 spec.

/ac

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