* [PATCH] IRQ derive fix
@ 2002-10-07 22:53 Ville Syrjälä
0 siblings, 0 replies; only message in thread
From: Ville Syrjälä @ 2002-10-07 22:53 UTC (permalink / raw)
To: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f
This fixes the IRQ routing for my AGP slot. I'm not sure it's correct but
at least it works and the IO APIC code does things this way. Now my G400
get's the IRQ assigned by the BIOS.
--- linux-2.4.20-pre7/drivers/acpi/pci_irq.c~ Thu Sep 19 17:17:58 2002
+++ linux-2.4.20-pre7/drivers/acpi/pci_irq.c Tue Oct 8 01:45:29 2002
@@ -285,7 +285,7 @@
* PCI interrupt routing entry (a.k.a. the "bridge swizzle").
*/
while (!irq && (bridge = bridge->bus->self)) {
- pin = (pin + PCI_SLOT(bridge->devfn)) % 4;
+ pin = (pin + PCI_SLOT(dev->devfn)) % 4;
irq = acpi_pci_irq_lookup(0, bridge->bus->number, PCI_SLOT(bridge->devfn), pin);
}
--
Ville Syrjälä
syrjala-ORSVBvAovxo@public.gmane.org
http://www.sci.fi/~syrjala/
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