Commit-ID: c7cfc94096db28d3072b402c224eb50349926e24 Gitweb: http://git.kernel.org/tip/c7cfc94096db28d3072b402c224eb50349926e24 Author: Jiang Liu <[email protected]> AuthorDate: Mon, 1 Jun 2015 16:05:10 +0800 Committer: Thomas Gleixner <[email protected]> CommitDate: Tue, 16 Jun 2015 10:10:16 +0200
genirq: Enhance irq_data_to_desc() to support hierarchy irqdomain For irq associated with hierarchy irqdomains, there will be multiple irq_datas for one irq_desc. So enhance irq_data_to_desc() to support hierarchy irqdomain. Also export irq_data_to_desc() as an inline function for later reuse. Signed-off-by: Jiang Liu <[email protected]> Cc: Konrad Rzeszutek Wilk <[email protected]> Cc: Tony Luck <[email protected]> Cc: Bjorn Helgaas <[email protected]> Cc: Benjamin Herrenschmidt <[email protected]> Cc: Randy Dunlap <[email protected]> Cc: Yinghai Lu <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Marc Zyngier <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Thomas Gleixner <[email protected]> --- include/linux/irqdesc.h | 9 +++++++++ kernel/irq/internals.h | 2 -- 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h index dd1109f..a113a8d 100644 --- a/include/linux/irqdesc.h +++ b/include/linux/irqdesc.h @@ -93,6 +93,15 @@ struct irq_desc { extern struct irq_desc irq_desc[NR_IRQS]; #endif +static inline struct irq_desc *irq_data_to_desc(struct irq_data *data) +{ +#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY + return irq_to_desc(data->irq); +#else + return container_of(data, struct irq_desc, irq_data); +#endif +} + static inline struct irq_data *irq_desc_get_irq_data(struct irq_desc *desc) { return &desc->irq_data; diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h index df553b0..b93d434 100644 --- a/kernel/irq/internals.h +++ b/kernel/irq/internals.h @@ -59,8 +59,6 @@ enum { #include "debug.h" #include "settings.h" -#define irq_data_to_desc(data) container_of(data, struct irq_desc, irq_data) - extern int __irq_set_trigger(struct irq_desc *desc, unsigned int irq, unsigned long flags); extern void __disable_irq(struct irq_desc *desc, unsigned int irq); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
