On 07-11-18, 11:13, Yangtao Li wrote: > Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code. > > Signed-off-by: Yangtao Li <tiny.windzz@xxxxxxxxx> > --- > 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; > } Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx> -- viresh