cpufreq: s3c24xx: Change to use DEFINE_SHOW_ATTRIBUTE macro

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/cpufreq/s3c24xx-cpufreq-debugfs.c b/drivers/cpufreq/s3c24xx-cpufreq-debugfs.c
index 4d976e8dbb2f4135819a19bbf4ab4b510f8f3d4d..0df87b6480fe7d54b108f551a36136a245634508 100644 (file)
--- 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;
 }