add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/irqchip/irq-brcmstb-l2.c
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@@ -161,6 +161,7 @@
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 					  *init_params)
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 {
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 	unsigned int clr = IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN;
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+	unsigned int set = 0;
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 	struct brcmstb_l2_intc_data *data;
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 	struct irq_chip_type *ct;
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 	int ret;
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@@ -208,9 +209,12 @@
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 	if (IS_ENABLED(CONFIG_MIPS) && IS_ENABLED(CONFIG_CPU_BIG_ENDIAN))
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 		flags |= IRQ_GC_BE_IO;
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+	if (init_params->handler == handle_level_irq)
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+		set |= IRQ_LEVEL;
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+
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 	/* Allocate a single Generic IRQ chip for this node */
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 	ret = irq_alloc_domain_generic_chips(data->domain, 32, 1,
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-			np->full_name, init_params->handler, clr, 0, flags);
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+			np->full_name, init_params->handler, clr, set, flags);
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 	if (ret) {
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 		pr_err("failed to allocate generic irq chip\n");
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 		goto out_free_domain;