Re: AMD 8131 MSI quirk called too late, bus_flags not inherited ?

From: Greg KH
Date: Thu May 18 2006 - 12:17:24 EST

On Mon, May 15, 2006 at 11:11:33PM +0200, Brice Goglin wrote:
> Hi Greg,
> While looking at the MSI detection, I noticed that the AMD 8131 quirk
> (quirk_amd_8131_ioapic) is defined as FINAL and thus executed after the
> PCI hierarchy is scanned. So it looks like the bus_flags won't be
> inherited at all. If there's a bridge behind the 8131, then the devices
> behind this bridge won't see the bus flags and thus might try to enable
> MSI anyway.
> I tried to change the AMD 8131 quirk to HEADER so that it is executed
> during PCI scanning. But, I don't get its message in dmesg anymore. Any
> idea?

Michael is the one who added that change, perhaps he can explain how he
tested it?


greg k-h
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