From 419e3778ff295c00aa158d9f2854a70b47ba1136 Mon Sep 17 00:00:00 2001 From: Herve Codina Date: Fri, 14 Jun 2024 19:32:09 +0200 Subject: irqdomain: Handle domain hierarchy parent in irq_domain_instantiate() To use irq_domain_instantiate() from irq_domain_create_hierarchy(), irq_domain_instantiate() needs to handle the domain hierarchy parent. Add the required functionality. Signed-off-by: Herve Codina Signed-off-by: Thomas Gleixner Link: https://lore.kernel.org/r/20240614173232.1184015-9-herve.codina@bootlin.com --- kernel/irq/irqdomain.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'kernel/irq/irqdomain.c') diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index 26ad1ea67998..1269a8104e6c 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c @@ -265,6 +265,13 @@ struct irq_domain *irq_domain_instantiate(const struct irq_domain_info *info) domain->flags |= info->domain_flags; +#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY + if (info->parent) { + domain->root = info->parent->root; + domain->parent = info->parent; + } +#endif + __irq_domain_publish(domain); return domain; -- cgit