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irqchip/loongson-pch-msi.c: Switch to msi_create_parent_irq_domain()

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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 <namcao@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/7ae78d7b7e33ad8ca1ec2ba28957546c81ba86f7.1750860131.git.namcao@linutronix.de
This commit is contained in:
Thomas Gleixner
2025-06-26 16:49:02 +02:00
parent c7cc7b122a
commit 7f91d608cc
1 changed files with 9 additions and 14 deletions
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23
drivers/irqchip/irq-loongson-pch-msi.c
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@@ -153,26 +153,21 @@ static struct msi_parent_ops pch_msi_parent_ops = {
.init_dev_msi_info = msi_lib_init_dev_msi_info,
};
static int pch_msi_init_domains(struct pch_msi_data *priv,
struct irq_domain *parent,
static int pch_msi_init_domains(struct pch_msi_data *priv, struct irq_domain *parent,
struct fwnode_handle *domain_handle)
{
struct irq_domain *middle_domain;
struct irq_domain_info info = {
.ops = &pch_msi_middle_domain_ops,
.size = priv->num_irqs,
.parent = parent,
.host_data = priv,
.fwnode = domain_handle,
};
middle_domain = irq_domain_create_hierarchy(parent, 0, priv->num_irqs,
domain_handle,
&pch_msi_middle_domain_ops,
priv);
if (!middle_domain) {
if (!msi_create_parent_irq_domain(&info, &pch_msi_parent_ops)) {
pr_err("Failed to create the MSI middle domain\n");
return -ENOMEM;
}
irq_domain_update_bus_token(middle_domain, DOMAIN_BUS_NEXUS);
middle_domain->flags |= IRQ_DOMAIN_FLAG_MSI_PARENT;
middle_domain->msi_parent_ops = &pch_msi_parent_ops;
return 0;
}