[RFC Part2 v1 02/21] genirq: Introduce helper functions to support stacked irq_chip
From: Thomas Gleixner <hidden>
Date: 2014-09-16 17:46:09
Also in:
linux-acpi, linux-pci, lkml
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