Re: [PATCH] cpufreq: s3c24xx: Change to use DEFINE_SHOW_ATTRIBUTE macro

From: Rafael J. Wysocki
Date: Tue Dec 11 2018 - 05:45:28 EST


On Thursday, November 8, 2018 5:45:03 AM CET Viresh Kumar wrote:
> 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>

Patch applied, thanks!