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From: Yangtao Li <tiny.windzz@gmail.com>
To: kgene@kernel.org, krzk@kernel.org, rjw@rjwysocki.net,
	viresh.kumar@linaro.org
Cc: linux-arm-kernel@lists.infradead.org,
	linux-samsung-soc@vger.kernel.org, linux-pm@vger.kernel.org,
	linux-kernel@vger.kernel.org, Yangtao Li <tiny.windzz@gmail.com>
Subject: [PATCH] cpufreq: s3c24xx: Change to use DEFINE_SHOW_ATTRIBUTE macro
Date: Wed,  7 Nov 2018 11:13:46 -0500	[thread overview]
Message-ID: <20181107161346.9887-1-tiny.windzz@gmail.com> (raw)

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
---
 drivers/cpufreq/s3c24xx-cpufreq-debugfs.c | 46 +++--------------------
 1 file changed, 6 insertions(+), 40 deletions(-)

diff --git a/drivers/cpufreq/s3c24xx-cpufreq-debugfs.c b/drivers/cpufreq/s3c24xx-cpufreq-debugfs.c
index 4d976e8dbb2f..0df87b6480fe 100644
--- a/drivers/cpufreq/s3c24xx-cpufreq-debugfs.c
+++ b/drivers/cpufreq/s3c24xx-cpufreq-debugfs.c
@@ -63,18 +63,7 @@ static int board_show(struct seq_file *seq, void *p)
 	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 +94,7 @@ static int info_show(struct seq_file *seq, void *p)
 	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 +140,7 @@ static int io_show(struct seq_file *seq, void *p)
 	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 +151,13 @@ static int __init s3c_freq_debugfs_init(void)
 	}
 
 	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;
 }
-- 
2.17.0


             reply	other threads:[~2018-11-07 16:13 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-07 16:13 Yangtao Li [this message]
2018-11-08  4:45 ` [PATCH] cpufreq: s3c24xx: Change to use DEFINE_SHOW_ATTRIBUTE macro Viresh Kumar
2018-12-11 10:45   ` Rafael J. Wysocki

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