linux-kernel - [PATCH 02/12] irqchip/bcm2712-mip: Switch to msi_create_parent_irq

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Message-Id: <92a6d68db014e945337c10649a41605da05783da.1750860131.git.namcao@linutronix.de>
Date: Thu, 26 Jun 2025 16:48:59 +0200
From: Nam Cao <namcao@...utronix.de>
To: Marc Zyngier <maz@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Antoine Tenart <atenart@...nel.org>,
	Andrew Lunn <andrew@...n.ch>,
	Gregory Clement <gregory.clement@...tlin.com>,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Huacai Chen <chenhuacai@...nel.org>,
	Jiaxun Yang <jiaxun.yang@...goat.com>,
	Anup Patel <anup@...infault.org>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Alexandre Ghiti <alex@...ti.fr>,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	imx@...ts.linux.dev,
	linux-mips@...r.kernel.org,
	linux-riscv@...ts.infradead.org
Subject: [PATCH 02/12] irqchip/bcm2712-mip: Switch to msi_create_parent_irq_domain()

From: Thomas Gleixner <tglx@...utronix.de>

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 <tglx@...utronix.de>
---
 drivers/irqchip/irq-bcm2712-mip.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/irqchip/irq-bcm2712-mip.c b/drivers/irqchip/irq-bcm2712-mip.c
index 63de5ef6cf2db..9bd7bc0bf6d59 100644
--- a/drivers/irqchip/irq-bcm2712-mip.c
+++ b/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.
 	 */
-- 
2.39.5