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Subject[PATCH v3 11/19] x86/ioapic: Use irq_domain_create_hierarchy()
Date
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>
---
arch/x86/kernel/apic/io_apic.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index a868b76cd3d4..9cc4c8e0c3c4 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2364,9 +2364,9 @@ static int mp_irqdomain_create(int ioapic)
return -ENODEV;
}

- ip->irqdomain = irq_domain_create_linear(fn, hwirqs, cfg->ops,
- (void *)(long)ioapic);
-
+ ip->irqdomain = irq_domain_create_hierarchy(parent, 0, hwirqs, fn,
+ cfg->ops,
+ (void *)(long)ioapic);
if (!ip->irqdomain) {
/* Release fw handle if it was allocated above */
if (!cfg->dev)
@@ -2374,8 +2374,6 @@ static int mp_irqdomain_create(int ioapic)
return -ENOMEM;
}

- ip->irqdomain->parent = parent;
-
if (cfg->type == IOAPIC_DOMAIN_LEGACY ||
cfg->type == IOAPIC_DOMAIN_STRICT)
ioapic_dynirq_base = max(ioapic_dynirq_base,
--
2.37.4
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