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