irqchip/bcm2712-mip: Switch to msi_create_parent_irq_domain()

Switch to use the concise helper to create an MSI parent domain.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Nam Cao <tglx@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/92a6d68db014e945337c10649a41605da05783da.1750860131.git.namcao@linutronix.de

Author: KAGA-KOKO

drivers/irqchip/irq-bcm2712-mip.c

@@ -172,18 +172,18 @@ static const struct msi_parent_ops mip_msi_parent_ops = {
 
 static int mip_init_domains(struct mip_priv *mip, struct device_node *np)
 {
-	struct irq_domain *middle;
-
-	middle = irq_domain_create_hierarchy(mip->parent, 0, mip->num_msis, of_fwnode_handle(np),
-					     &mip_middle_domain_ops, mip);
-	if (!middle)
+	struct irq_domain_info info = {
+		.fwnode		= of_fwnode_handle(np),
+		.ops		= &mip_middle_domain_ops,
+		.host_data	= mip,
+		.size		= mip->num_msis,
+		.parent		= mip->parent,
+		.dev		= mip->dev,
+	};
+
+	if (!msi_create_parent_irq_domain(&info, &mip_msi_parent_ops))
 		return -ENOMEM;
 
-	irq_domain_update_bus_token(middle, DOMAIN_BUS_GENERIC_MSI);
-	middle->dev = mip->dev;
-	middle->flags |= IRQ_DOMAIN_FLAG_MSI_PARENT;
-	middle->msi_parent_ops = &mip_msi_parent_ops;
-
 	/*
 	 * All MSI-X unmasked for the host, masked for the VPU, and edge-triggered.
 	 */