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Message-Id: <20221209140150.1453-14-johan+linaro@kernel.org>
Date: Fri, 9 Dec 2022 15:01:44 +0100
From: Johan Hovold <johan+linaro@...nel.org>
To: Marc Zyngier <maz@...nel.org>
Cc: Thomas Gleixner <tglx@...utronix.de>, x86@...nel.org,
platform-driver-x86@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-mips@...r.kernel.org,
linux-kernel@...r.kernel.org,
Johan Hovold <johan+linaro@...nel.org>
Subject: [PATCH v3 13/19] irqchip/alpine-msi: Use irq_domain_add_hierarchy()
Use the irq_domain_add_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@...nel.org>
---
drivers/irqchip/irq-alpine-msi.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/irqchip/irq-alpine-msi.c b/drivers/irqchip/irq-alpine-msi.c
index 5ddb8e578ac6..604459372fdd 100644
--- a/drivers/irqchip/irq-alpine-msi.c
+++ b/drivers/irqchip/irq-alpine-msi.c
@@ -204,16 +204,14 @@ static int alpine_msix_init_domains(struct alpine_msix_data *priv,
return -ENXIO;
}
- middle_domain = irq_domain_add_tree(NULL,
- &alpine_msix_middle_domain_ops,
- priv);
+ middle_domain = irq_domain_add_hierarchy(gic_domain, 0, 0, NULL,
+ &alpine_msix_middle_domain_ops,
+ priv);
if (!middle_domain) {
pr_err("Failed to create the MSIX middle domain\n");
return -ENOMEM;
}
- middle_domain->parent = gic_domain;
-
msi_domain = pci_msi_create_irq_domain(of_node_to_fwnode(node),
&alpine_msix_domain_info,
middle_domain);
--
2.37.4
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