[linux-block.git] / fs / proc / cpuinfo.c

// 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_open	= cpuinfo_open,
	.proc_read	= seq_read,
	.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);
Commit	Line	Data
b2441318	1	// SPDX-License-Identifier: GPL-2.0
7d5905dc	2	#include <linux/cpufreq.h>
8591cf43 AD	3	#include <linux/fs.h>
	4	#include <linux/init.h>
	5	#include <linux/proc_fs.h>
	6	#include <linux/seq_file.h>
	7
7d5905dc RW	8	__weak void arch_freq_prepare_all(void)
	9	{
	10	}
	11
8591cf43 AD	12	extern const struct seq_operations cpuinfo_op;
	13	static int cpuinfo_open(struct inode inode, struct file file)
	14	{
7d5905dc	15	arch_freq_prepare_all();
8591cf43 AD	16	return seq_open(file, &cpuinfo_op);
	17	}
	18
97a32539 AD	19	static const struct proc_ops cpuinfo_proc_ops = {
	20	.proc_open = cpuinfo_open,
	21	.proc_read = seq_read,
	22	.proc_lseek = seq_lseek,
	23	.proc_release = seq_release,
8591cf43 AD	24	};
	25
	26	static int __init proc_cpuinfo_init(void)
	27	{
97a32539	28	proc_create("cpuinfo", 0, NULL, &cpuinfo_proc_ops);
8591cf43 AD	29	return 0;
8591cf43 AD	30	}
abaf3787	31	fs_initcall(proc_cpuinfo_init);