Re: [RFC Part2 v1 02/21] genirq: Introduce helper functions to support stacked irq_chip

Thomas Gleixner
2014-09-16T17:45:26Z

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