[PATCH] wireless/cw1200: convert to DEFINE_SHOW_ATTRIBUTE

From: Yangtao Li
Date: Mon Dec 03 2018 - 08:31:55 EST


Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <tiny.windzz@xxxxxxxxx>
---
drivers/net/wireless/st/cw1200/debug.c | 32 ++++----------------------
1 file changed, 4 insertions(+), 28 deletions(-)

diff --git a/drivers/net/wireless/st/cw1200/debug.c b/drivers/net/wireless/st/cw1200/debug.c
index 295cb1a29f25..2231ba08bc1f 100644
--- a/drivers/net/wireless/st/cw1200/debug.c
+++ b/drivers/net/wireless/st/cw1200/debug.c
@@ -289,19 +289,7 @@ static int cw1200_status_show(struct seq_file *seq, void *v)
return 0;
}

-static int cw1200_status_open(struct inode *inode, struct file *file)
-{
- return single_open(file, &cw1200_status_show,
- inode->i_private);
-}
-
-static const struct file_operations fops_status = {
- .open = cw1200_status_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
-};
+DEFINE_SHOW_ATTRIBUTE(cw1200_status);

static int cw1200_counters_show(struct seq_file *seq, void *v)
{
@@ -345,19 +333,7 @@ static int cw1200_counters_show(struct seq_file *seq, void *v)
return 0;
}

-static int cw1200_counters_open(struct inode *inode, struct file *file)
-{
- return single_open(file, &cw1200_counters_show,
- inode->i_private);
-}
-
-static const struct file_operations fops_counters = {
- .open = cw1200_counters_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
-};
+DEFINE_SHOW_ATTRIBUTE(cw1200_counters);

static ssize_t cw1200_wsm_dumps(struct file *file,
const char __user *user_buf, size_t count, loff_t *ppos)
@@ -399,11 +375,11 @@ int cw1200_debug_init(struct cw1200_common *priv)
goto err;

if (!debugfs_create_file("status", 0400, d->debugfs_phy,
- priv, &fops_status))
+ priv, &cw1200_status_fops))
goto err;

if (!debugfs_create_file("counters", 0400, d->debugfs_phy,
- priv, &fops_counters))
+ priv, &cw1200_counters_fops))
goto err;

if (!debugfs_create_file("wsm_dumps", 0200, d->debugfs_phy,
--
2.17.0