Messages in this thread | | | Date | Thu, 22 Jun 2006 14:29:02 -0700 | From | "Randy.Dunlap" <> | Subject | Re: how I know if a interrupt is ioapic_edge_type or ioapic_level_type? [Was Re: [Fwd: Re: [Linux-usb-users] Fwd: Re: 2.6.17-rc6-mm2 - USB issues]] |
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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);
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