[PATCH 03/11] irqchip/gic: Convert to msi_create_parent_irq_domain() helper

[Marc Zyngier]

Now that we have a concise helper to create an MSI parent domain,
switch the GIC family over to that.

Signed-off-by: Marc Zyngier <maz at kernel.org>
---
 drivers/irqchip/irq-gic-v2m.c    |  9 ++++-----
 drivers/irqchip/irq-gic-v3-its.c | 14 +++++---------
 drivers/irqchip/irq-gic-v3-mbi.c |  9 ++++-----
 3 files changed, 13 insertions(+), 19 deletions(-)

diff --git a/drivers/irqchip/irq-gic-v2m.c b/drivers/irqchip/irq-gic-v2m.c
index db79ae622f3c4..4916743aed314 100644
--- a/drivers/irqchip/irq-gic-v2m.c
+++ b/drivers/irqchip/irq-gic-v2m.c
@@ -270,16 +270,15 @@ static __init int gicv2m_allocate_domains(struct irq_domain *parent)
 	if (!v2m)
 		return 0;
 
-	inner_domain = irq_domain_create_hierarchy(parent, 0, 0, v2m->fwnode,
-						   &gicv2m_domain_ops, v2m);
+	inner_domain = msi_create_parent_irq_domain(v2m->fwnode,
+						    &gicv2m_msi_parent_ops,
+						    &gicv2m_domain_ops,
+						    0, 0, v2m, parent);
 	if (!inner_domain) {
 		pr_err("Failed to create GICv2m domain\n");
 		return -ENOMEM;
 	}
 
-	irq_domain_update_bus_token(inner_domain, DOMAIN_BUS_NEXUS);
-	inner_domain->flags |= IRQ_DOMAIN_FLAG_MSI_PARENT;
-	inner_domain->msi_parent_ops = &gicv2m_msi_parent_ops;
 	return 0;
 }
 
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 334fd15be1de1..6f61ee7c5d394 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -5114,20 +5114,16 @@ static int its_init_domain(struct its_node *its)
 	info->ops = &its_msi_domain_ops;
 	info->data = its;
 
-	inner_domain = irq_domain_create_hierarchy(its_parent,
-						   its->msi_domain_flags, 0,
-						   its->fwnode_handle, &its_domain_ops,
-						   info);
+	inner_domain = msi_create_parent_irq_domain(its->fwnode_handle,
+						    &gic_v3_its_msi_parent_ops,
+						    &its_domain_ops,
+						    its->msi_domain_flags, 0,
+						    info, its_parent);
 	if (!inner_domain) {
 		kfree(info);
 		return -ENOMEM;
 	}
 
-	irq_domain_update_bus_token(inner_domain, DOMAIN_BUS_NEXUS);
-
-	inner_domain->msi_parent_ops = &gic_v3_its_msi_parent_ops;
-	inner_domain->flags |= IRQ_DOMAIN_FLAG_MSI_PARENT;
-
 	return 0;
 }
 
diff --git a/drivers/irqchip/irq-gic-v3-mbi.c b/drivers/irqchip/irq-gic-v3-mbi.c
index 63c658375fd55..e5f532f95148d 100644
--- a/drivers/irqchip/irq-gic-v3-mbi.c
+++ b/drivers/irqchip/irq-gic-v3-mbi.c
@@ -211,14 +211,13 @@ static int mbi_allocate_domain(struct irq_domain *parent)
 {
 	struct irq_domain *nexus_domain;
 
-	nexus_domain = irq_domain_create_hierarchy(parent, 0, 0, parent->fwnode,
-						   &mbi_domain_ops, NULL);
+	nexus_domain = msi_create_parent_irq_domain(parent->fwnode,
+						    &gic_v3_mbi_msi_parent_ops,
+						    &mbi_domain_ops,
+						    0, 0, NULL, parent);
 	if (!nexus_domain)
 		return -ENOMEM;
 
-	irq_domain_update_bus_token(nexus_domain, DOMAIN_BUS_NEXUS);
-	nexus_domain->flags |= IRQ_DOMAIN_FLAG_MSI_PARENT;
-	nexus_domain->msi_parent_ops = &gic_v3_mbi_msi_parent_ops;
 	return 0;
 }
 
-- 
2.39.2