linux-kernel - [PATCH 04/12] irqchip/imx-mu-msi: Convert to msi_create_parent_irq

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Message-Id: <4f05fff99b6cc5875d2f4dadd31707e2dedaafc8.1750860131.git.namcao@linutronix.de>
Date: Thu, 26 Jun 2025 16:49:01 +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 04/12] irqchip/imx-mu-msi: Convert to msi_create_parent_irq_domain() helper

From: Marc Zyngier <maz@...nel.org>

Now that we have a concise helper to create an MSI parent domain,
switch the IMX letter soup over to that.

Signed-off-by: Marc Zyngier <maz@...nel.org>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Link: https://lore.kernel.org/all/20241204124549.607054-7-maz@kernel.org
---
Cc: Shawn Guo <shawnguo@...nel.org>
Cc: Sascha Hauer <s.hauer@...gutronix.de>
Cc: Pengutronix Kernel Team <kernel@...gutronix.de>
Cc: Fabio Estevam <festevam@...il.com>
Cc: imx@...ts.linux.dev
Cc: linux-arm-kernel@...ts.infradead.org
---
 drivers/irqchip/irq-imx-mu-msi.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/irqchip/irq-imx-mu-msi.c b/drivers/irqchip/irq-imx-mu-msi.c
index 137da1927d144..d2a4e8a61a42b 100644
--- a/drivers/irqchip/irq-imx-mu-msi.c
+++ b/drivers/irqchip/irq-imx-mu-msi.c
@@ -223,21 +223,21 @@ static const struct msi_parent_ops imx_mu_msi_parent_ops = {
 
 static int imx_mu_msi_domains_init(struct imx_mu_msi *msi_data, struct device *dev)
 {
-	struct fwnode_handle *fwnodes = dev_fwnode(dev);
+	struct irq_domain_info info = {
+		.ops		= &imx_mu_msi_domain_ops,
+		.fwnode		= dev_fwnode(dev),
+		.size		= IMX_MU_CHANS,
+		.host_data	= msi_data,
+	};
 	struct irq_domain *parent;
 
 	/* Initialize MSI domain parent */
-	parent = irq_domain_create_linear(fwnodes, IMX_MU_CHANS,
-					  &imx_mu_msi_domain_ops, msi_data);
+	parent = msi_create_parent_irq_domain(&info, &imx_mu_msi_parent_ops);
 	if (!parent) {
 		dev_err(dev, "failed to create IRQ domain\n");
 		return -ENOMEM;
 	}
-
-	irq_domain_update_bus_token(parent, DOMAIN_BUS_NEXUS);
 	parent->dev = parent->pm_dev = dev;
-	parent->flags |= IRQ_DOMAIN_FLAG_MSI_PARENT;
-	parent->msi_parent_ops = &imx_mu_msi_parent_ops;
 	return 0;
 }
 
-- 
2.39.5