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SubjectRe: /proc/pci deprecation?
On Mon, 2002-12-09 at 17:00, Linus Torvalds wrote:
> On 9 Dec 2002, Alan Cox wrote:
> > I wonder if this is why we have all these problems with VIA chipset
> > interrupt handling. According to VIA docs they _do_ use
> > PCI_INTERRUPT_LINE on integrated devices to select the IRQ routing
> > between APIC and PCI/ISA etc, as well as 0 meaning "IRQ disabled"
> Whee.. That sounds like a load of crock in the first place, since the
> PCI_INTERRUPT_LINE thing should be just a scratch register as far as I
> know. However, it doesn't really matter - we definitely should never write
> to it anyway, so the VIA behaviour while strange should still be
> acceptable.

Tested and verified. If I leave it alone non apic mode works. To use
APIC mode I have to write the new IRQ value into that register. I've
shoved that into the driver for now, since its a demented chip specific

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