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


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