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b2441318 1// SPDX-License-Identifier: GPL-2.0
7d5905dc 2#include <linux/cpufreq.h>
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3#include <linux/fs.h>
4#include <linux/init.h>
5#include <linux/proc_fs.h>
6#include <linux/seq_file.h>
7
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8__weak void arch_freq_prepare_all(void)
9{
10}
11
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12extern const struct seq_operations cpuinfo_op;
13static int cpuinfo_open(struct inode *inode, struct file *file)
14{
7d5905dc 15 arch_freq_prepare_all();
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16 return seq_open(file, &cpuinfo_op);
17}
18
19static const struct file_operations proc_cpuinfo_operations = {
20 .open = cpuinfo_open,
21 .read = seq_read,
22 .llseek = seq_lseek,
23 .release = seq_release,
24};
25
26static int __init proc_cpuinfo_init(void)
27{
28 proc_create("cpuinfo", 0, NULL, &proc_cpuinfo_operations);
29 return 0;
30}
abaf3787 31fs_initcall(proc_cpuinfo_init);