add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/irqchip/irq-jcore-aic.c
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@@ -68,6 +68,7 @@
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 	unsigned min_irq = JCORE_AIC2_MIN_HWIRQ;
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 	unsigned dom_sz = JCORE_AIC_MAX_HWIRQ+1;
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 	struct irq_domain *domain;
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+	int ret;
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 	pr_info("Initializing J-Core AIC\n");
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..
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@@ -100,11 +101,17 @@
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 	jcore_aic.irq_unmask = noop;
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 	jcore_aic.name = "AIC";
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-	domain = irq_domain_add_linear(node, dom_sz, &jcore_aic_irqdomain_ops,
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+	ret = irq_alloc_descs(-1, min_irq, dom_sz - min_irq,
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+			      of_node_to_nid(node));
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+
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+	if (ret < 0)
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+		return ret;
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+
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+	domain = irq_domain_add_legacy(node, dom_sz - min_irq, min_irq, min_irq,
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+				       &jcore_aic_irqdomain_ops,
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 				       &jcore_aic);
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 	if (!domain)
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 		return -ENOMEM;
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-	irq_create_strict_mappings(domain, min_irq, min_irq, dom_sz - min_irq);
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 	return 0;
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 }