From: Bjorn Helgaas <bjorn.helgaas@hp.com>
To: Len Brown <lenb@kernel.org>
Cc: linux-acpi@vger.kernel.org, Adam Belay <abelay@mit.edu>
Subject: Re: [PATCH v1] PNPACPI: ignore Consumer/Producer bit; all bridge resources are windows
Date: Tue, 16 Mar 2010 13:29:24 -0700 [thread overview]
Message-ID: <201003161429.24933.bjorn.helgaas@hp.com> (raw)
In-Reply-To: <20100316202627.25544.28033.stgit@bob.kio>
On Tuesday 16 March 2010 02:26:27 pm Bjorn Helgaas wrote:
>
> The Consumer/Producer bit in Address Space Descriptors is useless because
> BIOS vendors don't use it consistently. We have to assume that all
> resources of bridges are really Producers, i.e., windows to the secondary
> bus.
This modifies some code that recently went into 2.6.34, but this
doesn't necessarily have to go in .34 because I don't think anybody
uses PNP window resources yet (they just show up in lspnp output and
/sys/bus/pnp/.../resources).
Bjorn
prev parent reply other threads:[~2010-03-16 20:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-16 20:26 [PATCH v1] PNPACPI: ignore Consumer/Producer bit; all bridge resources are windows Bjorn Helgaas
2010-03-16 20:29 ` Bjorn Helgaas [this message]
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