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irqchip: loongarch-cpu: add DT support
LoongArch is coming to support booting with FDT, so DT support of this driver is desired. Signed-off-by: Liu Peibao <liupeibao@loongson.cn> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20221114113824.1880-2-liupeibao@loongson.cn
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@ -92,6 +92,25 @@ static const struct irq_domain_ops loongarch_cpu_intc_irq_domain_ops = {
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.xlate = irq_domain_xlate_onecell,
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.xlate = irq_domain_xlate_onecell,
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};
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};
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#ifdef CONFIG_OF
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int __init loongarch_cpu_irq_of_init(struct device_node *of_node,
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struct device_node *parent)
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{
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cpuintc_handle = of_node_to_fwnode(of_node);
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irq_domain = irq_domain_create_linear(cpuintc_handle, EXCCODE_INT_NUM,
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&loongarch_cpu_intc_irq_domain_ops, NULL);
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if (!irq_domain)
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panic("Failed to add irqdomain for loongarch CPU");
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set_handle_irq(&handle_cpu_irq);
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return 0;
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}
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IRQCHIP_DECLARE(cpu_intc, "loongson,cpu-interrupt-controller",
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loongarch_cpu_irq_of_init);
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#endif
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static int __init
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static int __init
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liointc_parse_madt(union acpi_subtable_headers *header,
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liointc_parse_madt(union acpi_subtable_headers *header,
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const unsigned long end)
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const unsigned long end)
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