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(name: "cpuinfo" , mode: 0, NULL, proc_ops: &cpuinfo_proc_ops); |
26 | return 0; |
27 | } |
28 | fs_initcall(proc_cpuinfo_init); |
29 | |