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// SPDX-License-Identifier: GPL-2.0
#include <linux/cpufreq.h>
#include <linux/fs.h>
#include <linux/init.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
__weak void arch_freq_prepare_all(void)
{
}
extern const struct seq_operations cpuinfo_op;
static int cpuinfo_open(struct inode *inode, struct file *file)
{
arch_freq_prepare_all();
return seq_open(file, &cpuinfo_op);
}
static const struct proc_ops cpuinfo_proc_ops = {
.proc_flags = PROC_ENTRY_PERMANENT,
.proc_open = cpuinfo_open,
.proc_read_iter = seq_read_iter,
.proc_lseek = seq_lseek,
.proc_release = seq_release,
};
static int __init proc_cpuinfo_init(void)
{
proc_create("cpuinfo", 0, NULL, &cpuinfo_proc_ops);
return 0;
}
fs_initcall(proc_cpuinfo_init);
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