Re: [PATCH] PM / sleep: convert to DEFINE_SHOW_ATTRIBUTE

From: Rafael J. Wysocki
Date: Mon Dec 17 2018 - 06:42:53 EST


On Tuesday, December 11, 2018 5:20:48 PM CET Yangtao Li wrote:
> Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.
>
> Signed-off-by: Yangtao Li <tiny.windzz@xxxxxxxxx>
> ---
> kernel/power/main.c | 15 ++-------------
> 1 file changed, 2 insertions(+), 13 deletions(-)
>
> diff --git a/kernel/power/main.c b/kernel/power/main.c
> index 35b50823d83b..98e76cad128b 100644
> --- a/kernel/power/main.c
> +++ b/kernel/power/main.c
> @@ -318,23 +318,12 @@ static int suspend_stats_show(struct seq_file *s, void *unused)
>
> return 0;
> }
> -
> -static int suspend_stats_open(struct inode *inode, struct file *file)
> -{
> - return single_open(file, suspend_stats_show, NULL);
> -}
> -
> -static const struct file_operations suspend_stats_operations = {
> - .open = suspend_stats_open,
> - .read = seq_read,
> - .llseek = seq_lseek,
> - .release = single_release,
> -};
> +DEFINE_SHOW_ATTRIBUTE(suspend_stats);
>
> static int __init pm_debugfs_init(void)
> {
> debugfs_create_file("suspend_stats", S_IFREG | S_IRUGO,
> - NULL, NULL, &suspend_stats_operations);
> + NULL, NULL, &suspend_stats_fops);
> return 0;
> }
>
>

Applied, thanks!