On Thu, 2006-06-22 at 14:29 -0700, Randy.Dunlap wrote:
> On Thu, 22 Jun 2006 12:56:25 +0100 Sergio Monteiro Basto wrote:
>
> > On Wed, 2006-06-21 at 21:08 -0700, Randy.Dunlap wrote:
> > >
> > > If you have a specific issue/problem, it would probably be
> > > better just to focus on that.
> >
> > on linux-2.6.17/drivers/pci/quirks.c
> >
> > * we must mask the PCI_INTERRUPT_LINE value versus 0xf to get
> > * interrupts delivered properly.
> > */
> >
> > static void quirk_via_irq(struct pci_dev *dev)
> > {
> > u8 irq, new_irq;
> >
> > I want here put something like: if ( dev->irq != XT-PIC) return and don't
> > quirk this dev.
> > else
>
> I don't think the interrupt device mode is known by this code (AFAICT
> with a quick look). The function is only called for certain VIA chipsets.
>
> Do you want the quirk for any particular hardware device?
> You might be able to look at the function's <dev> parameter
> to decide on using the quirk or not.
>
>
> > new_irq = dev->irq & 0xf;
> > pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &irq);
yap, in my opinion this function should back to
--- orig/drivers/pci/quirks.c 2006-06-21 20:25:41.000000000 +1000
+++ linux-2.6.17-rc6-mm2/drivers/pci/quirks.c 2006-06-21 20:25:08.000000000
+1000
@@ -662,13 +662,7 @@
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, new_irq);
}
}
-DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_0,
quirk_via_irq);
-DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_1,
quirk_via_irq);
-DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_2,
quirk_via_irq);
-DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_3,
quirk_via_irq);
-DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686,
quirk_via_irq);
-DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_4,
quirk_via_irq);
-DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_5,
quirk_via_irq);
+DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_ANY_ID, quirk_via_irq);
/*
* VIA VT82C598 has its device ID settable and many BIOSes
But do you know or not ? how I know if dev->irq is XT-pic ?
--
Sérgio M. B.
smime.p7s
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