--- linux-2.6.22.14/arch/powerpc/kernel/pci_32.c	2008-01-22 13:59:14.000000000 +0200
+++ linux/arch/powerpc/kernel/pci_32.c	2008-01-15 10:59:50.000000000 +0200
@@ -1401,8 +1401,7 @@ char __init *pcibios_setup(char *str)
 }
 
 /* the next one is stolen from the alpha port... */
-void __init
-pcibios_update_irq(struct pci_dev *dev, int irq)
+void pcibios_update_irq(struct pci_dev *dev, int irq)
 {
 	pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
 	/* XXX FIXME - update OF device tree node interrupt property */
@@ -1459,6 +1458,7 @@ int pci_read_irq_line(struct pci_dev *pc
 		DBG(" -> failed to map !\n");
 		return -1;
 	}
+	pcibios_update_irq(pci_dev, virq);
 	pci_dev->irq = virq;
 
 	return 0;