linux/drivers/misc/dummy-irq.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Dummy IRQ handler driver.
 *
 * This module only registers itself as a handler that is specified to it
 * by the 'irq' parameter.
 *
 * The sole purpose of this module is to help with debugging of systems on
 * which spurious IRQs would happen on disabled IRQ vector.
 *
 * Copyright (C) 2013 Jiri Kosina
 */

#include <linux/module.h>
#include <linux/irq.h>
#include <linux/interrupt.h>

static int irq = …;

static irqreturn_t dummy_interrupt(int irq, void *dev_id)
{ … }

static int __init dummy_irq_init(void)
{ … }

static void __exit dummy_irq_exit(void)
{ … }

module_init(…) …;
module_exit(dummy_irq_exit);

MODULE_LICENSE(…) …;
MODULE_AUTHOR(…) …;
module_param_hw(irq, uint, irq, 0444);
MODULE_PARM_DESC(…) …;
MODULE_DESCRIPTION(…) …;