linux-kernel - [PATCH 07/11] irqchip/loongson-pch-msi: Convert to msi_create_parent_irq

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Message-Id: <20241204124549.607054-8-maz@kernel.org>
Date: Wed,  4 Dec 2024 12:45:45 +0000
From: Marc Zyngier <maz@...nel.org>
To: iommu@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	loongarch@...ts.linux.dev,
	linux-riscv@...ts.infradead.org,
	linux-pci@...r.kernel.org
Cc: Joerg Roedel <joro@...tes.org>,
	Suravee Suthikulpanit <suravee.suthikulpanit@....com>,
	David Woodhouse <dwmw2@...radead.org>,
	Lu Baolu <baolu.lu@...ux.intel.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Huacai Chen <chenhuacai@...nel.org>,
	WANG Xuerui <kernel@...0n.name>,
	Jiaxun Yang <jiaxun.yang@...goat.com>,
	Andrew Lunn <andrew@...n.ch>,
	Gregory Clement <gregory.clement@...tlin.com>,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	Anup Patel <anup@...infault.org>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	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>
Subject: [PATCH 07/11] irqchip/loongson-pch-msi: Convert to msi_create_parent_irq_domain() helper

Now that we have a concise helper to create an MSI parent domain,
switch the Loongson MSI stuff over to that.

Signed-off-by: Marc Zyngier <maz@...nel.org>
---
 drivers/irqchip/irq-loongson-pch-msi.c | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/drivers/irqchip/irq-loongson-pch-msi.c b/drivers/irqchip/irq-loongson-pch-msi.c
index 3f6f4e9887c53..f15528f76a647 100644
--- a/drivers/irqchip/irq-loongson-pch-msi.c
+++ b/drivers/irqchip/irq-loongson-pch-msi.c
@@ -158,20 +158,15 @@ static int pch_msi_init_domains(struct pch_msi_data *priv,
 {
 	struct irq_domain *middle_domain;
 
-	middle_domain = irq_domain_create_hierarchy(parent, 0, priv->num_irqs,
-						    domain_handle,
-						    &pch_msi_middle_domain_ops,
-						    priv);
+	middle_domain = msi_create_parent_irq_domain(domain_handle,
+						     &pch_msi_parent_ops,
+						     &pch_msi_middle_domain_ops, 0,
+						     priv->num_irqs, priv, parent);
 	if (!middle_domain) {
 		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;
 }
 
-- 
2.39.2