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hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/irqchip/irq-bcm6345-l1.c
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@@ -1,12 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Broadcom BCM6345 style Level 1 interrupt controller driver
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  *
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  * Copyright (C) 2014 Broadcom Corporation
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  * Copyright 2015 Simon Arlott
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  *
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  * This is based on the BCM7038 (which supports SMP) but with a single
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  * enable register instead of separate mask/set/clear registers.
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@@ -85,6 +82,7 @@
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 };
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 struct bcm6345_l1_cpu {
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+	struct bcm6345_l1_chip	*intc;
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 	void __iomem		*map_base;
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 	unsigned int		parent_irq;
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 	u32			enable_cache[];
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@@ -118,16 +116,10 @@
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 static void bcm6345_l1_irq_handle(struct irq_desc *desc)
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 {
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-	struct bcm6345_l1_chip *intc = irq_desc_get_handler_data(desc);
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-	struct bcm6345_l1_cpu *cpu;
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+	struct bcm6345_l1_cpu *cpu = irq_desc_get_handler_data(desc);
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+	struct bcm6345_l1_chip *intc = cpu->intc;
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 	struct irq_chip *chip = irq_desc_get_chip(desc);
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 	unsigned int idx;
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-
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-#ifdef CONFIG_SMP
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-	cpu = intc->cpus[cpu_logical_map(smp_processor_id())];
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-#else
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-	cpu = intc->cpus[0];
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-#endif
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 	chained_irq_enter(chip, desc);
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@@ -260,6 +252,7 @@
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 	if (!cpu)
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 		return -ENOMEM;
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+	cpu->intc = intc;
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 	cpu->map_base = ioremap(res.start, sz);
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 	if (!cpu->map_base)
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 		return -ENOMEM;
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@@ -275,7 +268,7 @@
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 		return -EINVAL;
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 	}
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 	irq_set_chained_handler_and_data(cpu->parent_irq,
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-						bcm6345_l1_irq_handle, intc);
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+						bcm6345_l1_irq_handle, cpu);
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 	return 0;
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 }