[PATCH 07/23] irqdomain: Handle additional domain flags in irq_domain_instantiate()

From: Herve Codina
Date: Fri Jun 14 2024 - 13:34:35 EST


In order to use irq_domain_instantiate() from several places such as
irq_domain_create_hierarchy(), irq_domain_instantiate() needs to handle
additional domain flags.

Handle these additional flags.

Suggested-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Herve Codina <herve.codina@xxxxxxxxxxx>
---
include/linux/irqdomain.h | 2 ++
kernel/irq/irqdomain.c | 2 ++
2 files changed, 4 insertions(+)

diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index a3b43e357009..4683b66eded9 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -260,6 +260,7 @@ void irq_domain_free_fwnode(struct fwnode_handle *fwnode);
/**
* struct irq_domain_info - Domain information structure
* @fwnode: firmware node for the interrupt controller
+ * @domain_flags: Additional flags to add to the domain flags
* @size: Size of linear map; 0 for radix mapping only
* @hwirq_max: Maximum number of interrupts supported by controller
* @direct_max: Maximum value of direct maps;
@@ -269,6 +270,7 @@ void irq_domain_free_fwnode(struct fwnode_handle *fwnode);
*/
struct irq_domain_info {
struct fwnode_handle *fwnode;
+ unsigned int domain_flags;
unsigned int size;
irq_hw_number_t hwirq_max;
int direct_max;
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index 28a463e25d99..34acc2ccfee7 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -263,6 +263,8 @@ struct irq_domain *irq_domain_instantiate(const struct irq_domain_info *info)
if (!domain)
return ERR_PTR(-ENOMEM);

+ domain->flags |= info->domain_flags;
+
__irq_domain_publish(domain);

return domain;
--
2.45.0