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irqchip/mvebu-odmi: Use irq_domain_create_hierarchy() 

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

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Hsin-Yi Wang <hsinyi@chromium.org>
Tested-by: Mark-PK Tsai <mark-pk.tsai@mediatek.com>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230213104302.17307-20-johan+linaro@kernel.org
This commit is contained in:
Johan Hovold 2023-02-13 11:43:01 +01:00 committed by Marc Zyngier
parent 6159c470f8
commit f743f54fa8
1 changed files with 7 additions and 6 deletions
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13
drivers/irqchip/irq-mvebu-odmi.c
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@ -161,7 +161,7 @@ static struct msi_domain_info odmi_msi_domain_info = {
static int __init mvebu_odmi_init(struct device_node *node,
struct device_node *parent)
{
struct irq_domain *inner_domain, *plat_domain;
struct irq_domain *parent_domain, *inner_domain, *plat_domain;
int ret, i;
if (of_property_read_u32(node, "marvell,odmi-frames", &odmis_count))
@ -197,16 +197,17 @@ static int __init mvebu_odmi_init(struct device_node *node,
}
}
inner_domain = irq_domain_create_linear(of_node_to_fwnode(node),
odmis_count * NODMIS_PER_FRAME,
&odmi_domain_ops, NULL);
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);
if (!inner_domain) {
ret = -ENOMEM;
goto err_unmap;
}
inner_domain->parent = irq_find_host(parent);
plat_domain = platform_msi_create_irq_domain(of_node_to_fwnode(node),
&odmi_msi_domain_info,
inner_domain);