On Thu, 11 Sep 2014, Jiang Liu wrote: > +#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY > +void irq_chip_ack_parent(struct irq_data *data) > +{ > + data = data->parent_data; > + if (data && data->chip && data->chip->irq_ack) > + data->chip->irq_ack(data); Why is this restricted to a single parent level and does not go down the whole stack? Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html