162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 262306a36Sopenharmony_ci#include <linux/cpufreq.h> 362306a36Sopenharmony_ci#include <linux/fs.h> 462306a36Sopenharmony_ci#include <linux/init.h> 562306a36Sopenharmony_ci#include <linux/proc_fs.h> 662306a36Sopenharmony_ci#include <linux/seq_file.h> 762306a36Sopenharmony_ci 862306a36Sopenharmony_ciextern const struct seq_operations cpuinfo_op; 962306a36Sopenharmony_ci 1062306a36Sopenharmony_cistatic int cpuinfo_open(struct inode *inode, struct file *file) 1162306a36Sopenharmony_ci{ 1262306a36Sopenharmony_ci return seq_open(file, &cpuinfo_op); 1362306a36Sopenharmony_ci} 1462306a36Sopenharmony_ci 1562306a36Sopenharmony_cistatic const struct proc_ops cpuinfo_proc_ops = { 1662306a36Sopenharmony_ci .proc_flags = PROC_ENTRY_PERMANENT, 1762306a36Sopenharmony_ci .proc_open = cpuinfo_open, 1862306a36Sopenharmony_ci .proc_read_iter = seq_read_iter, 1962306a36Sopenharmony_ci .proc_lseek = seq_lseek, 2062306a36Sopenharmony_ci .proc_release = seq_release, 2162306a36Sopenharmony_ci}; 2262306a36Sopenharmony_ci 2362306a36Sopenharmony_cistatic int __init proc_cpuinfo_init(void) 2462306a36Sopenharmony_ci{ 2562306a36Sopenharmony_ci proc_create("cpuinfo", 0, NULL, &cpuinfo_proc_ops); 2662306a36Sopenharmony_ci return 0; 2762306a36Sopenharmony_ci} 2862306a36Sopenharmony_cifs_initcall(proc_cpuinfo_init); 29