Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #include <linux/cpufreq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #include <linux/fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <linux/proc_fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #include <linux/seq_file.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) __weak void arch_freq_prepare_all(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) extern const struct seq_operations cpuinfo_op;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) static int cpuinfo_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	arch_freq_prepare_all();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	return seq_open(file, &cpuinfo_op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) static const struct proc_ops cpuinfo_proc_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	.proc_flags	= PROC_ENTRY_PERMANENT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	.proc_open	= cpuinfo_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	.proc_read_iter	= seq_read_iter,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	.proc_lseek	= seq_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	.proc_release	= seq_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) static int __init proc_cpuinfo_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	proc_create("cpuinfo", 0, NULL, &cpuinfo_proc_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) fs_initcall(proc_cpuinfo_init);