[PATCH v1 3/4] platform/x86: ideapad-laptop: Re-use DEFINE_SHOW_ATTRIBUTE() macro

From: Andy Shevchenko
Date: Mon Jan 22 2018 - 11:05:58 EST


...instead of open coding file operations followed by custom ->open()
callbacks per each attribute.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/platform/x86/ideapad-laptop.c | 28 ++--------------------------
1 file changed, 2 insertions(+), 26 deletions(-)

diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c
index 5ab638d4d243..7e9e9bf78f1d 100644
--- a/drivers/platform/x86/ideapad-laptop.c
+++ b/drivers/platform/x86/ideapad-laptop.c
@@ -284,19 +284,7 @@ static int debugfs_status_show(struct seq_file *s, void *data)

return 0;
}
-
-static int debugfs_status_open(struct inode *inode, struct file *file)
-{
- return single_open(file, debugfs_status_show, inode->i_private);
-}
-
-static const struct file_operations debugfs_status_fops = {
- .owner = THIS_MODULE,
- .open = debugfs_status_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(debugfs_status);

static int debugfs_cfg_show(struct seq_file *s, void *data)
{
@@ -337,19 +325,7 @@ static int debugfs_cfg_show(struct seq_file *s, void *data)
}
return 0;
}
-
-static int debugfs_cfg_open(struct inode *inode, struct file *file)
-{
- return single_open(file, debugfs_cfg_show, inode->i_private);
-}
-
-static const struct file_operations debugfs_cfg_fops = {
- .owner = THIS_MODULE,
- .open = debugfs_cfg_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(debugfs_cfg);

static int ideapad_debugfs_init(struct ideapad_private *priv)
{
--
2.15.1