Use DEFINE_SHOW_ATTRIBUTE helper macro to simplify the code.
Signed-off-by: Liu Shixin <liushixin2@xxxxxxxxxx>
---
arch/mips/cavium-octeon/oct_ilm.c | 17 +++--------------
1 file changed, 3 insertions(+), 14 deletions(-)
diff --git a/arch/mips/cavium-octeon/oct_ilm.c b/arch/mips/cavium-octeon/oct_ilm.c
index 6a4694538bb6..dc05262e85ff 100644
--- a/arch/mips/cavium-octeon/oct_ilm.c
+++ b/arch/mips/cavium-octeon/oct_ilm.c
@@ -28,7 +28,7 @@ struct latency_info {
static struct latency_info li;
static struct dentry *dir;
-static int show_latency(struct seq_file *m, void *v)
+static int oct_ilm_show(struct seq_file *m, void *v)
{
u64 cpuclk, avg, max, min;
struct latency_info curr_li = li;
@@ -43,18 +43,7 @@ static int show_latency(struct seq_file *m, void *v)
curr_li.interrupt_cnt, avg, max, min);
return 0;
}
-
-static int oct_ilm_open(struct inode *inode, struct file *file)
-{
- return single_open(file, show_latency, NULL);
-}
-
-static const struct file_operations oct_ilm_ops = {
- .open = oct_ilm_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(oct_ilm);
static int reset_statistics(void *data, u64 value)
{
@@ -67,7 +56,7 @@ DEFINE_DEBUGFS_ATTRIBUTE(reset_statistics_ops, NULL, reset_statistics, "%llu\n")
static void init_debugfs(void)
{
dir = debugfs_create_dir("oct_ilm", 0);
- debugfs_create_file("statistics", 0222, dir, NULL, &oct_ilm_ops);
+ debugfs_create_file("statistics", 0222, dir, NULL, &oct_ilm_fops);
debugfs_create_file("reset", 0222, dir, NULL, &reset_statistics_ops);
}
--
2.25.1
