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Date:      Thu, 31 May 2001 11:25:57 -0700 (PDT)
From:      Matthew Jacob <mjacob@feral.com>
To:        alpha@FreeBSD.ORG
Subject:   Re: PCI Interrupt Routing Broken on my Miata
Message-ID:  <Pine.LNX.4.21.0105311124530.25591-100000@zeppo.feral.com>
In-Reply-To: <15126.35802.41704.920301@grasshopper.cs.duke.edu>

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> 
> OK, it turns out that its not as simple as I thought..
> pcib_route_interrupt() doesn't using my hack.  I had a feeling my hack
> was too simple.
> 
> I think what we'll need to do to make all platforms work is to:
> 
> a) Undo the breakage I just introduced
> 
> b) Undo the platform changes that msmith made earlier this year when
> this intr routing nonsense was introduced.  By this, I mean that the
> platform.pci_intr_map and all its implementations come back exactly as
> they are in -stable
> 
> c) Have all the chipset read_config routines call
> alpha_platform_assign_pciintr() in the case of a read of INTLINE
> alpha_platform_assign_pciintr() conses up cfgregs & calls the relavent
> platform routine, or returns 255
> 
> 
> d) Have have alpha_pci_route_interrupt() call
> alpha_platform_assign_pciintr().  
> 
> Opinions? 

#d, yes- because it's only the specific platforms that know the right thing to
do. Look at NetBSD.


-matt



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