[PATCH] timekeeping: convert to DEFINE_SHOW_ATTRIBUTE

From: Yangtao Li
Date: Tue Dec 11 2018 - 11:37:50 EST


Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <tiny.windzz@xxxxxxxxx>
---
kernel/time/timekeeping_debug.c | 15 ++-------------
1 file changed, 2 insertions(+), 13 deletions(-)

diff --git a/kernel/time/timekeeping_debug.c b/kernel/time/timekeeping_debug.c
index 238e4be60229..a937300df452 100644
--- a/kernel/time/timekeeping_debug.c
+++ b/kernel/time/timekeeping_debug.c
@@ -28,7 +28,7 @@

static unsigned int sleep_time_bin[NUM_BINS] = {0};

-static int tk_debug_show_sleep_time(struct seq_file *s, void *data)
+static int tk_debug_sleep_time_show(struct seq_file *s, void *data)
{
unsigned int bin;
seq_puts(s, " time (secs) count\n");
@@ -42,18 +42,7 @@ static int tk_debug_show_sleep_time(struct seq_file *s, void *data)
}
return 0;
}
-
-static int tk_debug_sleep_time_open(struct inode *inode, struct file *file)
-{
- return single_open(file, tk_debug_show_sleep_time, NULL);
-}
-
-static const struct file_operations tk_debug_sleep_time_fops = {
- .open = tk_debug_sleep_time_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(tk_debug_sleep_time);

static int __init tk_debug_sleep_time_init(void)
{
--
2.17.0