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Commit | Line | Data |
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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
7d5905dc | 2 | #include <linux/cpufreq.h> |
8591cf43 AD |
3 | #include <linux/fs.h> |
4 | #include <linux/init.h> | |
5 | #include <linux/proc_fs.h> | |
6 | #include <linux/seq_file.h> | |
7 | ||
7d5905dc RW |
8 | __weak void arch_freq_prepare_all(void) |
9 | { | |
10 | } | |
11 | ||
8591cf43 AD |
12 | extern const struct seq_operations cpuinfo_op; |
13 | static int cpuinfo_open(struct inode *inode, struct file *file) | |
14 | { | |
7d5905dc | 15 | arch_freq_prepare_all(); |
8591cf43 AD |
16 | return seq_open(file, &cpuinfo_op); |
17 | } | |
18 | ||
97a32539 | 19 | static const struct proc_ops cpuinfo_proc_ops = { |
d919b33d | 20 | .proc_flags = PROC_ENTRY_PERMANENT, |
97a32539 | 21 | .proc_open = cpuinfo_open, |
70fce7d2 | 22 | .proc_read_iter = seq_read_iter, |
97a32539 AD |
23 | .proc_lseek = seq_lseek, |
24 | .proc_release = seq_release, | |
8591cf43 AD |
25 | }; |
26 | ||
27 | static int __init proc_cpuinfo_init(void) | |
28 | { | |
97a32539 | 29 | proc_create("cpuinfo", 0, NULL, &cpuinfo_proc_ops); |
8591cf43 AD |
30 | return 0; |
31 | } | |
abaf3787 | 32 | fs_initcall(proc_cpuinfo_init); |