From 0323897a88afd4ddb3d44cd6b1b33ccd6a4b76cb Mon Sep 17 00:00:00 2001 From: Lorenzo Pieralisi Date: Thu, 15 Jan 2026 10:50:47 +0100 Subject: irqdomain: Add parent field to struct irqchip_fwid The GICv5 driver IRQ domain hierarchy requires adding a parent field to struct irqchip_fwid so that core code can reference a fwnode_handle parent for a given fwnode. Add a parent field to struct irqchip_fwid and update the related kernel API functions to initialize and handle it. Signed-off-by: Lorenzo Pieralisi Reviewed-by: Jonathan Cameron Acked-by: Thomas Gleixner Link: https://patch.msgid.link/20260115-gicv5-host-acpi-v3-1-c13a9a150388@kernel.org Signed-off-by: Rafael J. Wysocki --- include/linux/irqdomain.h | 30 ++++++++++++++++++++++++++---- 1 file changed, 26 insertions(+), 4 deletions(-) (limited to 'include/linux') diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index 62f81bbeb490..73c25d40846c 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -257,7 +257,8 @@ static inline void irq_domain_set_pm_device(struct irq_domain *d, struct device #ifdef CONFIG_IRQ_DOMAIN struct fwnode_handle *__irq_domain_alloc_fwnode(unsigned int type, int id, - const char *name, phys_addr_t *pa); + const char *name, phys_addr_t *pa, + struct fwnode_handle *parent); enum { IRQCHIP_FWNODE_REAL, @@ -267,18 +268,39 @@ enum { static inline struct fwnode_handle *irq_domain_alloc_named_fwnode(const char *name) { - return __irq_domain_alloc_fwnode(IRQCHIP_FWNODE_NAMED, 0, name, NULL); + return __irq_domain_alloc_fwnode(IRQCHIP_FWNODE_NAMED, 0, name, NULL, NULL); +} + +static inline +struct fwnode_handle *irq_domain_alloc_named_parented_fwnode(const char *name, + struct fwnode_handle *parent) +{ + return __irq_domain_alloc_fwnode(IRQCHIP_FWNODE_NAMED, 0, name, NULL, parent); } static inline struct fwnode_handle *irq_domain_alloc_named_id_fwnode(const char *name, int id) { return __irq_domain_alloc_fwnode(IRQCHIP_FWNODE_NAMED_ID, id, name, - NULL); + NULL, NULL); +} + +static inline +struct fwnode_handle *irq_domain_alloc_named_id_parented_fwnode(const char *name, int id, + struct fwnode_handle *parent) +{ + return __irq_domain_alloc_fwnode(IRQCHIP_FWNODE_NAMED_ID, id, name, + NULL, parent); } static inline struct fwnode_handle *irq_domain_alloc_fwnode(phys_addr_t *pa) { - return __irq_domain_alloc_fwnode(IRQCHIP_FWNODE_REAL, 0, NULL, pa); + return __irq_domain_alloc_fwnode(IRQCHIP_FWNODE_REAL, 0, NULL, pa, NULL); +} + +static inline struct fwnode_handle *irq_domain_alloc_parented_fwnode(phys_addr_t *pa, + struct fwnode_handle *parent) +{ + return __irq_domain_alloc_fwnode(IRQCHIP_FWNODE_REAL, 0, NULL, pa, parent); } void irq_domain_free_fwnode(struct fwnode_handle *fwnode); -- cgit v1.2.3