cpufreq: s3c24xx: Change to use DEFINE_SHOW_ATTRIBUTE macro

PATCH In review Yangtao Li 3 participants 3 messages Nov 7, 2018 – Dec 11, 2018

Subsystems (2)

Arm Samsung Exynos CPU frequency scaling framework

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Yangtao Li

author

2018-11-07 16:13 UTC #0 lore raw

PATCH 1/1 cpufreq: s3c24xx: Change to use DEFINE_SHOW_ATTRIBUTE macro

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by Yangtao Li <[email protected]>

---
 drivers/cpufreq/s3c24xx-cpufreq-debugfs.c | 46 +++--------------------
 1 file changed, 6 insertions(+), 40 deletions(-)

drivers/cpufreq/s3c24xx-cpufreq-debugfs.c +6 ~~-40~~

index 4d976e8dbb2f..0df87b6480fe 100644
@@ -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;
 }

Signature · 1 line

2.17.0

Viresh Kumar

maintainer Acked-by on v1 1/1

2018-11-08 04:45 UTC #1 lore raw

Quoted 79 lines · Yangtao Li

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by Yangtao Li <[email protected]>

---
 drivers/cpufreq/s3c24xx-cpufreq-debugfs.c | 46 +++--------------------
 1 file changed, 6 insertions(+), 40 deletions(-)

drivers/cpufreq/s3c24xx-cpufreq-debugfs.c +4 ~~-38~~

index 4d976e8dbb2f..0df87b6480fe 100644
@@ -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);

drivers/cpufreq/s3c24xx-cpufreq-debugfs.c static int __init s3c_freq_debugfs_init(void) · line 163

Quoted 10 lines

drivers/cpufreq/s3c24xx-cpufreq-debugfs.c +2 -2

 	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;
 }

Acked-by Viresh Kumar <[email protected]>

Signature · 1 line

viresh

Rafael J. Wysocki

2018-12-11 10:45 UTC #2 lore raw

Quoted 84 lines · CET Viresh Kumar

Quoted 83 lines · Yangtao Li

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by Yangtao Li <[email protected]>

---
 drivers/cpufreq/s3c24xx-cpufreq-debugfs.c | 46 +++--------------------
 1 file changed, 6 insertions(+), 40 deletions(-)

drivers/cpufreq/s3c24xx-cpufreq-debugfs.c +5 ~~-39~~

index 4d976e8dbb2f..0df87b6480fe 100644
@@ -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);

Quoted 8 lines

drivers/cpufreq/s3c24xx-cpufreq-debugfs.c static int __init s3c_freq_debugfs_init(void) · line 163
Quoted 6 lines
drivers/cpufreq/s3c24xx-cpufreq-debugfs.c +1 -1
 	dbgfs_file_board = debugfs_create_file("board", S_IRUGO, dbgfs_root,
-					       NULL, &fops_board);
+					       NULL, &board_fops);
 
 	return 0;
 }
Acked-by Viresh Kumar <[email protected]>

Patch applied, thanks!