[PATCH] PM / sleep: convert to DEFINE_SHOW_ATTRIBUTE

From: Yangtao Li
Date: Tue Dec 11 2018 - 11:20:59 EST


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;
}

--
2.17.0