ATH79_PCI_IRQ_BASE
#define ATH79_PCI_IRQ(_x) (ATH79_PCI_IRQ_BASE + (_x))
#define ATH79_IP2_IRQ_BASE (ATH79_PCI_IRQ_BASE + ATH79_PCI_IRQ_COUNT)
apc->irq_base = ATH79_PCI_IRQ_BASE;
apc->irq_base = ATH79_PCI_IRQ_BASE + (id * AR724X_PCI_IRQ_COUNT);