From: Bjorn Helgaas <bjorn.helgaas-VXdhtT5mjnY@public.gmane.org>
To: Adam Belay <abelay-Et1tbQHTxzrQT0dZR+AlfA@public.gmane.org>
Cc: Len Brown <len.brown-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
ACPI Developers
<acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>,
Shaohua Li <shaohua.li-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH] PNPACPI: don't complain about vendor-defined resources
Date: Sat, 12 Mar 2005 09:54:09 -0700 [thread overview]
Message-ID: <1110646449.24086.6.camel@eeyore> (raw)
In-Reply-To: <1110587127.12485.236.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
On Fri, 2005-03-11 at 19:25 -0500, Adam Belay wrote:
> On Fri, 2005-03-11 at 17:23 -0700, Bjorn Helgaas wrote:
> > On Fri, 2005-03-11 at 19:07 -0500, Adam Belay wrote:
> > > Just out of curiosity, are we seeing many vendor-defined resources from
> > > ACPI?
> >
> > HP boxes have some. Our host-to-AGP bridge, IOMMU, etc have them to
> > tell you where the device's MMIO CSR space is.
>
> Hmm, interesting. I'm asking because I was considering how necessary it
> would be to pass this information down to actual drivers.
See hp_acpi_csr_space(), used by the sba_iommu and hp-agp drivers.
Which reminds me, I think the idea of using a UUID to label these
vendor-defined resources made it into ACPI 3.0 (section 6.4.3.2).
My plan was to move the infrastructure behind this (everything in
arch/ia64/kernel/acpi-ext.c except the hp_ccsr_descriptor and
hp_acpi_csr_space()) out of arch/ia64 and into drivers/acpi.
Something else for my to-do list, I guess ;-)
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prev parent reply other threads:[~2005-03-12 16:54 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-11 22:14 [PATCH] PNPACPI: don't complain about vendor-defined resources Bjorn Helgaas
2005-03-09 5:09 ` Len Brown
2005-03-12 0:07 ` Adam Belay
[not found] ` <1110586059.12485.225.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2005-03-12 0:23 ` Bjorn Helgaas
2005-03-12 0:25 ` Adam Belay
[not found] ` <1110587127.12485.236.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2005-03-12 16:54 ` Bjorn Helgaas [this message]
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