linux-kernel - [tip: irq/drivers] irqchip/loongson-pch-msi.c: Switch to msi_create_parent_irq

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Message-ID: <175155123463.406.10335790228131090981.tip-bot2@tip-bot2>
Date: Thu, 03 Jul 2025 14:00:34 -0000
From: "tip-bot2 for Thomas Gleixner" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Thomas Gleixner <tglx@...utronix.de>, Nam Cao <namcao@...utronix.de>,
 x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [tip: irq/drivers] irqchip/loongson-pch-msi.c: Switch to
 msi_create_parent_irq_domain()

The following commit has been merged into the irq/drivers branch of tip:

Commit-ID:     7f91d608cc43ea7f417caf097a87d2619a0e2747
Gitweb:        https://git.kernel.org/tip/7f91d608cc43ea7f417caf097a87d2619a0e2747
Author:        Thomas Gleixner <tglx@...utronix.de>
AuthorDate:    Thu, 26 Jun 2025 16:49:02 +02:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Thu, 03 Jul 2025 15:49:24 +02:00

irqchip/loongson-pch-msi.c: 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@...utronix.de>
Signed-off-by: Nam Cao <namcao@...utronix.de>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Link: https://lore.kernel.org/all/7ae78d7b7e33ad8ca1ec2ba28957546c81ba86f7.1750860131.git.namcao@linutronix.de

---
 drivers/irqchip/irq-loongson-pch-msi.c | 25 ++++++++++---------------
 1 file changed, 10 insertions(+), 15 deletions(-)

diff --git a/drivers/irqchip/irq-loongson-pch-msi.c b/drivers/irqchip/irq-loongson-pch-msi.c
index a0257c7..4aedc9b 100644
--- a/drivers/irqchip/irq-loongson-pch-msi.c
+++ b/drivers/irqchip/irq-loongson-pch-msi.c
@@ -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;
-
-	middle_domain = irq_domain_create_hierarchy(parent, 0, priv->num_irqs,
-						    domain_handle,
-						    &pch_msi_middle_domain_ops,
-						    priv);
-	if (!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,
+	};
+
+	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;
 }