1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/cpufreq.h>
3 #include <linux/fs.h>
4 #include <linux/init.h>
5 #include <linux/proc_fs.h>
6 #include <linux/seq_file.h>
7
8 extern const struct seq_operations cpuinfo_op;
9
10 static int cpuinfo_open(struct inode *inode, struct file *file)
11 {
12 return seq_open(file, &cpuinfo_op);
13 }
14
15 static const struct proc_ops cpuinfo_proc_ops = {
16 .proc_flags = PROC_ENTRY_PERMANENT,
17 .proc_open = cpuinfo_open,
18 .proc_read_iter = seq_read_iter,
19 .proc_lseek = seq_lseek,
20 .proc_release = seq_release,
21 };
22
23 static int __init proc_cpuinfo_init(void)
24 {
25 proc_create("cpuinfo", 0, NULL, &cpuinfo_proc_ops);
26 return 0;
27 }
28 fs_initcall(proc_cpuinfo_init);
29
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