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    SubjectRe: /proc/pci deprecation?
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    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
    horror.

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