Messages in this thread | | | Date | Mon, 9 Dec 2002 09:00:44 -0800 (PST) | From | Linus Torvalds <> | Subject | Re: /proc/pci deprecation? |
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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.
Anyway, to get back on the original discussion, I think we should remove the writing, and then make sure that /sbin/lspci (or some other tool) can be made to easily show either the kernel irq mapping value _or_ the "original PCI config space" value. At that point I'd agree that /proc/pci has outlived its usefulness.
(Although I still think the name database is nice to have - I certainly prefer it over having a lot of drivers having their _own_ name databases for printout purposes).
Linus
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