[PATCH v3 16/19] irqchip/gic-v3-mbi: Use irq_domain_create_hierarchy()

From: Johan Hovold <johan+linaro@kernel.org>
To: Marc Zyngier <maz@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	x86@kernel.org, platform-driver-x86@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Johan Hovold <johan+linaro@kernel.org>
Subject: [PATCH v3 16/19] irqchip/gic-v3-mbi: Use irq_domain_create_hierarchy()
Date: Fri,  9 Dec 2022 15:01:47 +0100	[thread overview]
Message-ID: <20221209140150.1453-17-johan+linaro@kernel.org> (raw)
In-Reply-To: <20221209140150.1453-1-johan+linaro@kernel.org>

Use the irq_domain_create_hierarchy() helper to create the hierarchical
domain, which both serves as documentation and avoids poking at
irqdomain internals.

Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
---
 drivers/irqchip/irq-gic-v3-mbi.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/irqchip/irq-gic-v3-mbi.c b/drivers/irqchip/irq-gic-v3-mbi.c
index e1efdec9e9ac..dbb8b1efda44 100644
--- a/drivers/irqchip/irq-gic-v3-mbi.c
+++ b/drivers/irqchip/irq-gic-v3-mbi.c
@@ -233,13 +233,12 @@ static int mbi_allocate_domains(struct irq_domain *parent)
 	struct irq_domain *nexus_domain, *pci_domain, *plat_domain;
 	int err;
 
-	nexus_domain = irq_domain_create_tree(parent->fwnode,
-					      &mbi_domain_ops, NULL);
+	nexus_domain = irq_domain_create_hierarchy(parent, 0, 0, parent->fwnode,
+						   &mbi_domain_ops, NULL);
 	if (!nexus_domain)
 		return -ENOMEM;
 
 	irq_domain_update_bus_token(nexus_domain, DOMAIN_BUS_NEXUS);
-	nexus_domain->parent = parent;
 
 	err = mbi_allocate_pci_domain(nexus_domain, &pci_domain);
 
-- 
2.37.4

