linux-kernel - [PATCH v2 4/9] irqchip/mvebu: Convert to msi_create_parent_irq

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Message-Id: <20250513172819.2216709-5-maz@kernel.org>
Date: Tue, 13 May 2025 18:28:14 +0100
From: Marc Zyngier <maz@...nel.org>
To: linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-pci@...r.kernel.org
Cc: Thomas Gleixner <tglx@...utronix.de>,
	Andrew Lunn <andrew@...n.ch>,
	Gregory Clement <gregory.clement@...tlin.com>,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Krzysztof Wilczyński <kw@...ux.com>,
	Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Toan Le <toan@...amperecomputing.com>,
	Alyssa Rosenzweig <alyssa@...enzweig.io>,
	Thierry Reding <thierry.reding@...il.com>,
	Jonathan Hunter <jonathanh@...dia.com>
Subject: [PATCH v2 4/9] irqchip/mvebu: Convert to msi_create_parent_irq_domain() helper

Now that we have a concise helper to create an MSI parent domain,
switch the mvebu family of interrupt controllers over to that.

Signed-off-by: Marc Zyngier <maz@...nel.org>
---
 drivers/irqchip/irq-mvebu-gicp.c | 14 +++++++-------
 drivers/irqchip/irq-mvebu-odmi.c | 14 ++++++--------
 drivers/irqchip/irq-mvebu-sei.c  | 16 +++++++---------
 3 files changed, 20 insertions(+), 24 deletions(-)

diff --git a/drivers/irqchip/irq-mvebu-gicp.c b/drivers/irqchip/irq-mvebu-gicp.c
index 0b2a857b49018..c7c83f8923fcd 100644
--- a/drivers/irqchip/irq-mvebu-gicp.c
+++ b/drivers/irqchip/irq-mvebu-gicp.c
@@ -230,16 +230,16 @@ static int mvebu_gicp_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
-	inner_domain = irq_domain_create_hierarchy(parent_domain, 0,
-						   gicp->spi_cnt,
-						   of_node_to_fwnode(node),
-						   &gicp_domain_ops, gicp);
+	inner_domain = msi_create_parent_irq_domain(&(struct irq_domain_info){
+			.fwnode		= of_node_to_fwnode(node),
+			.ops		= &gicp_domain_ops,
+			.size		= gicp->spi_cnt,
+			.host_data	= gicp,
+			.parent		= parent_domain,
+		}, &gicp_msi_parent_ops);
 	if (!inner_domain)
 		return -ENOMEM;
 
-	irq_domain_update_bus_token(inner_domain, DOMAIN_BUS_GENERIC_MSI);
-	inner_domain->flags |= IRQ_DOMAIN_FLAG_MSI_PARENT;
-	inner_domain->msi_parent_ops = &gicp_msi_parent_ops;
 	return 0;
 }
 
diff --git a/drivers/irqchip/irq-mvebu-odmi.c b/drivers/irqchip/irq-mvebu-odmi.c
index 306a7754e44f8..e6049f647a017 100644
--- a/drivers/irqchip/irq-mvebu-odmi.c
+++ b/drivers/irqchip/irq-mvebu-odmi.c
@@ -205,19 +205,17 @@ static int __init mvebu_odmi_init(struct device_node *node,
 
 	parent_domain = irq_find_host(parent);
 
-	inner_domain = irq_domain_create_hierarchy(parent_domain, 0,
-						   odmis_count * NODMIS_PER_FRAME,
-						   of_node_to_fwnode(node),
-						   &odmi_domain_ops, NULL);
+	inner_domain = msi_create_parent_irq_domain(&(struct irq_domain_info){
+			.fwnode		= of_node_to_fwnode(node),
+			.ops		= &odmi_domain_ops,
+			.size		= odmis_count * NODMIS_PER_FRAME,
+			.parent		= parent_domain,
+		}, &odmi_msi_parent_ops);
 	if (!inner_domain) {
 		ret = -ENOMEM;
 		goto err_unmap;
 	}
 
-	irq_domain_update_bus_token(inner_domain, DOMAIN_BUS_GENERIC_MSI);
-	inner_domain->flags |= IRQ_DOMAIN_FLAG_MSI_PARENT;
-	inner_domain->msi_parent_ops = &odmi_msi_parent_ops;
-
 	return 0;
 
 err_unmap:
diff --git a/drivers/irqchip/irq-mvebu-sei.c b/drivers/irqchip/irq-mvebu-sei.c
index a962ef4977169..cacf88530e444 100644
--- a/drivers/irqchip/irq-mvebu-sei.c
+++ b/drivers/irqchip/irq-mvebu-sei.c
@@ -430,21 +430,19 @@ static int mvebu_sei_probe(struct platform_device *pdev)
 	irq_domain_update_bus_token(sei->ap_domain, DOMAIN_BUS_WIRED);
 
 	/* Create the 'MSI' domain */
-	sei->cp_domain = irq_domain_create_hierarchy(sei->sei_domain, 0,
-						     sei->caps->cp_range.size,
-						     of_node_to_fwnode(node),
-						     &mvebu_sei_cp_domain_ops,
-						     sei);
+	sei->cp_domain = msi_create_parent_irq_domain(&(struct irq_domain_info){
+			.fwnode		= of_node_to_fwnode(node),
+			.ops		= &mvebu_sei_cp_domain_ops,
+			.size		= sei->caps->cp_range.size,
+			.host_data	= sei,
+			.parent		= sei->sei_domain,
+		}, &sei_msi_parent_ops);
 	if (!sei->cp_domain) {
 		pr_err("Failed to create CPs IRQ domain\n");
 		ret = -ENOMEM;
 		goto remove_ap_domain;
 	}
 
-	irq_domain_update_bus_token(sei->cp_domain, DOMAIN_BUS_GENERIC_MSI);
-	sei->cp_domain->flags |= IRQ_DOMAIN_FLAG_MSI_PARENT;
-	sei->cp_domain->msi_parent_ops = &sei_msi_parent_ops;
-
 	mvebu_sei_reset(sei);
 
 	irq_set_chained_handler_and_data(parent_irq, mvebu_sei_handle_cascade_irq, sei);
-- 
2.39.2