Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/cpufreq/s3c24xx-cpufreq-debugfs.c b/drivers/cpufreq/s3c24xx-cpufreq-debugfs.c
index 4d976e8..290e353 100644
--- a/drivers/cpufreq/s3c24xx-cpufreq-debugfs.c
+++ b/drivers/cpufreq/s3c24xx-cpufreq-debugfs.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2009 Simtec Electronics
  *	http://armlinux.simtec.co.uk/
  *	Ben Dooks <ben@simtec.co.uk>
  *
  * S3C24XX CPU Frequency scaling - debugfs status support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
 */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -63,18 +60,7 @@
 	return 0;
 }
 
-static int fops_board_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, board_show, NULL);
-}
-
-static const struct file_operations fops_board = {
-	.open		= fops_board_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-	.owner		= THIS_MODULE,
-};
+DEFINE_SHOW_ATTRIBUTE(board);
 
 static int info_show(struct seq_file *seq, void *p)
 {
@@ -105,18 +91,7 @@
 	return 0;
 }
 
-static int fops_info_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, info_show, NULL);
-}
-
-static const struct file_operations fops_info = {
-	.open		= fops_info_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-	.owner		= THIS_MODULE,
-};
+DEFINE_SHOW_ATTRIBUTE(info);
 
 static int io_show(struct seq_file *seq, void *p)
 {
@@ -162,19 +137,7 @@
 	return 0;
 }
 
-static int fops_io_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, io_show, NULL);
-}
-
-static const struct file_operations fops_io = {
-	.open		= fops_io_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-	.owner		= THIS_MODULE,
-};
-
+DEFINE_SHOW_ATTRIBUTE(io);
 
 static int __init s3c_freq_debugfs_init(void)
 {
@@ -185,13 +148,13 @@
 	}
 
 	dbgfs_file_io = debugfs_create_file("io-timing", S_IRUGO, dbgfs_root,
-					    NULL, &fops_io);
+					    NULL, &io_fops);
 
 	dbgfs_file_info = debugfs_create_file("info", S_IRUGO, dbgfs_root,
-					      NULL, &fops_info);
+					      NULL, &info_fops);
 
 	dbgfs_file_board = debugfs_create_file("board", S_IRUGO, dbgfs_root,
-					       NULL, &fops_board);
+					       NULL, &board_fops);
 
 	return 0;
 }