From: Bjorn Helgaas <bjorn_helgaas@hp.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [Linux-ia64] PCI_BUSES_TO_SCAN off by 1?
Date: Tue, 22 Oct 2002 22:20:52 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590709805207@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105590701906005@msgid-missing>
On Friday 30 August 2002 3:11 pm, Bjorn Helgaas wrote:
> Along this line, I had been hoping that if we find any PCI root
> bridges via ACPI, we could skip the blind scanning of buses 0-255.
To complete this thread, it looks like we can't do this. My
i2000 reports PCI root bridges for buses 0, 1, 2, and 3 via
ACPI. The 460GX chipset, including the CSRs for the AGP
bridge, appears in config space on PCI bus 4. ACPI doesn't
tell us about bus 4, so we have to do the blind scan to find
that stuff.
Bjorn
next prev parent reply other threads:[~2002-10-22 22:20 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-30 20:45 [Linux-ia64] PCI_BUSES_TO_SCAN off by 1? Van Maren, Kevin
2002-08-30 21:11 ` Bjorn Helgaas
2002-08-30 21:14 ` Jack Steiner
2002-08-30 22:28 ` KOCHI, Takayoshi
2002-10-22 22:20 ` Bjorn Helgaas [this message]
2002-10-22 22:37 ` David Mosberger
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