diff options
Diffstat (limited to 'include/linux/irqdomain.h')
| -rw-r--r-- | include/linux/irqdomain.h | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index e5e513c2d104..1cbb7413c121 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -75,7 +75,6 @@ struct irq_domain_chip_generic; * @link: Element in global irq_domain list. * @revmap_type: Method used for reverse mapping hwirq numbers to linux irq. This * will be one of the IRQ_DOMAIN_MAP_* values. - * @revmap_data: Revmap method specific data. * @ops: pointer to irq_domain methods * @host_data: private data pointer for use by owner. Not touched by irq_domain * core code. @@ -93,10 +92,9 @@ struct irq_domain { /* type of reverse mapping_technique */ unsigned int revmap_type; - union { + struct { struct { unsigned int size; - unsigned int *revmap; } linear; struct { unsigned int max_irq; @@ -111,11 +109,13 @@ struct irq_domain { struct device_node *of_node; /* Optional pointer to generic interrupt chips */ struct irq_domain_chip_generic *gc; + + /* Linear reverse map */ + unsigned int linear_revmap[]; }; #define IRQ_DOMAIN_MAP_NOMAP 1 /* no fast reverse mapping */ #define IRQ_DOMAIN_MAP_LINEAR 2 /* linear map of interrupts */ -#define IRQ_DOMAIN_MAP_TREE 3 /* radix tree */ #ifdef CONFIG_IRQ_DOMAIN struct irq_domain *irq_domain_add_simple(struct device_node *of_node, @@ -137,10 +137,6 @@ struct irq_domain *irq_domain_add_nomap(struct device_node *of_node, unsigned int max_irq, const struct irq_domain_ops *ops, void *host_data); -struct irq_domain *irq_domain_add_tree(struct device_node *of_node, - const struct irq_domain_ops *ops, - void *host_data); - extern struct irq_domain *irq_find_host(struct device_node *node); extern void irq_set_default_host(struct irq_domain *host); @@ -152,6 +148,12 @@ static inline struct irq_domain *irq_domain_add_legacy_isa( return irq_domain_add_legacy(of_node, NUM_ISA_INTERRUPTS, 0, 0, ops, host_data); } +static inline struct irq_domain *irq_domain_add_tree(struct device_node *of_node, + const struct irq_domain_ops *ops, + void *host_data) +{ + return irq_domain_add_linear(of_node, 0, ops, host_data); +} extern void irq_domain_remove(struct irq_domain *host); |