grpci1_build_device_irq
priv->irq_map[0] = grpci1_build_device_irq(1);
priv->irq_map[1] = grpci1_build_device_irq(2);
priv->irq_map[2] = grpci1_build_device_irq(3);
priv->irq_map[3] = grpci1_build_device_irq(4);
priv->irq_err = grpci1_build_device_irq(5);