diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/irq.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/acpi/irq.c b/drivers/acpi/irq.c index 89690a471360..e209081d644b 100644 --- a/drivers/acpi/irq.c +++ b/drivers/acpi/irq.c @@ -292,3 +292,29 @@ void __init acpi_set_irq_model(enum acpi_irq_model_id model, acpi_irq_model = model; acpi_gsi_domain_id = fwnode; } + +/** + * acpi_irq_create_hierarchy - Create a hierarchical IRQ domain with the default + * GSI domain as its parent. + * @flags: Irq domain flags associated with the domain + * @size: Size of the domain. + * @fwnode: Optional fwnode of the interrupt controller + * @ops: Pointer to the interrupt domain callbacks + * @host_data: Controller private data pointer + */ +struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags, + unsigned int size, + struct fwnode_handle *fwnode, + const struct irq_domain_ops *ops, + void *host_data) +{ + struct irq_domain *d = irq_find_matching_fwnode(acpi_gsi_domain_id, + DOMAIN_BUS_ANY); + + if (!d) + return NULL; + + return irq_domain_create_hierarchy(d, flags, size, fwnode, ops, + host_data); +} +EXPORT_SYMBOL_GPL(acpi_irq_create_hierarchy); |