Commit bc1bc1b3 authored by Johan Hovold's avatar Johan Hovold Committed by Marc Zyngier
Browse files

x86/ioapic: 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: default avatarPhilippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: default avatarHsin-Yi Wang <hsinyi@chromium.org>
Tested-by: default avatarMark-PK Tsai <mark-pk.tsai@mediatek.com>
Signed-off-by: default avatarJohan Hovold <johan+linaro@kernel.org>
Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230213104302.17307-13-johan+linaro@kernel.org
parent 930a1bbb

arch/x86/kernel/apic/io_apic.c

+2 −5
Original line number Diff line number Diff line
@@ -2364,9 +2364,8 @@ static int mp_irqdomain_create(int ioapic) 
		return -ENODEV;

	}



	ip->irqdomain = irq_domain_create_linear(fn, hwirqs, cfg->ops,

	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 +2373,6 @@ 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,