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irqdomain: Handle additional domain flags in irq_domain_instantiate()

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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.

Add the required infrastructure.

Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240614173232.1184015-8-herve.codina@bootlin.com
This commit is contained in:
Herve Codina 2024-06-14 19:32:08 +02:00 committed by Thomas Gleixner
parent 24a4f4e485
commit 757398541c
2 changed files with 4 additions and 0 deletions
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2
include/linux/irqdomain.h
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@ -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;

2
kernel/irq/irqdomain.c
View File

@ -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;