// SPDX-License-Identifier: GPL-2.0#include <linux/fs.h>#include <linux/init.h>#include <linux/interrupt.h>#include <linux/irqnr.h>#include <linux/proc_fs.h>#include <linux/seq_file.h> /* * /proc/interrupts */static void *int_seq_start(struct seq_file *f, loff_t *pos){	return *pos <= irq_get_nr_irqs() ? pos : NULL;} static void *int_seq_next(struct seq_file *f, void *v, loff_t *pos){	(*pos)++;	if (*pos > irq_get_nr_irqs())		return NULL;	return pos;} static void int_seq_stop(struct seq_file *f, void *v){	/* Nothing to do */} static const struct seq_operations int_seq_ops = {	.start = int_seq_start,	.next  = int_seq_next,	.stop  = int_seq_stop,	.show  = show_interrupts}; static int __init proc_interrupts_init(void){	proc_create_seq("interrupts", 0, NULL, &int_seq_ops);	return 0;}fs_initcall(proc_interrupts_init);