add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/cpufreq/s3c24xx-cpufreq-debugfs.c
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@@ -1,13 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (c) 2009 Simtec Electronics
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  *	http://armlinux.simtec.co.uk/
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  *	Ben Dooks <ben@simtec.co.uk>
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  *
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  * S3C24XX CPU Frequency scaling - debugfs status support
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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 */
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 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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@@ -21,7 +18,7 @@
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 #include <linux/seq_file.h>
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 #include <linux/err.h>
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20
 
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-#include <plat/cpu-freq-core.h>
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+#include <linux/soc/samsung/s3c-cpufreq-core.h>
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 static struct dentry *dbgfs_root;
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 static struct dentry *dbgfs_file_io;
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@@ -63,18 +60,7 @@
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 	return 0;
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 }
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-static int fops_board_open(struct inode *inode, struct file *file)
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-{
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-	return single_open(file, board_show, NULL);
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-}
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-
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-static const struct file_operations fops_board = {
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-	.open		= fops_board_open,
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-	.read		= seq_read,
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-	.llseek		= seq_lseek,
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-	.release	= single_release,
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-	.owner		= THIS_MODULE,
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-};
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+DEFINE_SHOW_ATTRIBUTE(board);
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 static int info_show(struct seq_file *seq, void *p)
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 {
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@@ -105,18 +91,7 @@
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 	return 0;
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 }
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-static int fops_info_open(struct inode *inode, struct file *file)
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-{
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-	return single_open(file, info_show, NULL);
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-}
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-
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-static const struct file_operations fops_info = {
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-	.open		= fops_info_open,
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-	.read		= seq_read,
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-	.llseek		= seq_lseek,
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-	.release	= single_release,
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-	.owner		= THIS_MODULE,
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-};
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+DEFINE_SHOW_ATTRIBUTE(info);
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 static int io_show(struct seq_file *seq, void *p)
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 {
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@@ -162,19 +137,7 @@
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 	return 0;
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 }
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-static int fops_io_open(struct inode *inode, struct file *file)
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-{
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-	return single_open(file, io_show, NULL);
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-}
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-
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-static const struct file_operations fops_io = {
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-	.open		= fops_io_open,
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-	.read		= seq_read,
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-	.llseek		= seq_lseek,
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-	.release	= single_release,
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-	.owner		= THIS_MODULE,
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-};
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-
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+DEFINE_SHOW_ATTRIBUTE(io);
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 static int __init s3c_freq_debugfs_init(void)
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 {
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@@ -185,13 +148,13 @@
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 	}
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 	dbgfs_file_io = debugfs_create_file("io-timing", S_IRUGO, dbgfs_root,
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-					    NULL, &fops_io);
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+					    NULL, &io_fops);
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 	dbgfs_file_info = debugfs_create_file("info", S_IRUGO, dbgfs_root,
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-					      NULL, &fops_info);
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+					      NULL, &info_fops);
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 	dbgfs_file_board = debugfs_create_file("board", S_IRUGO, dbgfs_root,
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-					       NULL, &fops_board);
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+					       NULL, &board_fops);
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 	return 0;
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 }