diff options
Diffstat (limited to 'include/linux/irq.h')
| -rw-r--r-- | include/linux/irq.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h index 03f48d936f66..13ba412ce3a0 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -133,6 +133,8 @@ struct irq_domain; * @chip: low level interrupt hardware access * @domain: Interrupt translation domain; responsible for mapping * between hwirq number and linux irq number. + * @parent_data: pointer to parent struct irq_data to support hierarchy + * irq_domain * @handler_data: per-IRQ data for the irq_chip methods * @chip_data: platform-specific per-chip private data for the chip * methods, to allow shared chip implementations @@ -151,6 +153,9 @@ struct irq_data { unsigned int state_use_accessors; struct irq_chip *chip; struct irq_domain *domain; +#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY + struct irq_data *parent_data; +#endif void *handler_data; void *chip_data; struct msi_desc *msi_desc; |