linux-kernel - [PATCH 05/11] irqchip/riscv-imsic: Convert to msi_create_parent_irq

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Message-Id: <20241204124549.607054-6-maz@kernel.org>
Date: Wed,  4 Dec 2024 12:45:43 +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 05/11] irqchip/riscv-imsic: Convert to msi_create_parent_irq_domain() helper

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

Signed-off-by: Marc Zyngier <maz@...nel.org>
---
 drivers/irqchip/irq-riscv-imsic-platform.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/irqchip/irq-riscv-imsic-platform.c b/drivers/irqchip/irq-riscv-imsic-platform.c
index c708780e8760f..3fbc3a8eb3be8 100644
--- a/drivers/irqchip/irq-riscv-imsic-platform.c
+++ b/drivers/irqchip/irq-riscv-imsic-platform.c
@@ -325,16 +325,15 @@ int imsic_irqdomain_init(void)
 	}
 
 	/* Create Base IRQ domain */
-	imsic->base_domain = irq_domain_create_tree(imsic->fwnode,
-						    &imsic_base_domain_ops, imsic);
+	imsic->base_domain = msi_create_parent_irq_domain(imsic->fwnode,
+							  &imsic_msi_parent_ops,
+							  &imsic_base_domain_ops,
+							  0, 0, imsic, NULL);
+	
 	if (!imsic->base_domain) {
 		pr_err("%pfwP: failed to create IMSIC base domain\n", imsic->fwnode);
 		return -ENOMEM;
 	}
-	imsic->base_domain->flags |= IRQ_DOMAIN_FLAG_MSI_PARENT;
-	imsic->base_domain->msi_parent_ops = &imsic_msi_parent_ops;
-
-	irq_domain_update_bus_token(imsic->base_domain, DOMAIN_BUS_NEXUS);
 
 	global = &imsic->global;
 	pr_info("%pfwP:  hart-index-bits: %d,  guest-index-bits: %d\n",
-- 
2.39.2