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Subject[PATCH v1 4/4] platform/x86: samsung-laptop: Re-use DEFINE_SHOW_ATTRIBUTE() macro
Date
...instead of open coding file operations followed by custom ->open()
callbacks per each attribute.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/platform/x86/samsung-laptop.c | 18 +++---------------
1 file changed, 3 insertions(+), 15 deletions(-)

diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
index d3cb26f6df73..03305e0b89ff 100644
--- a/drivers/platform/x86/samsung-laptop.c
+++ b/drivers/platform/x86/samsung-laptop.c
@@ -1252,7 +1252,7 @@ static int __init samsung_sysfs_init(struct samsung_laptop *samsung)

}

-static int show_call(struct seq_file *m, void *data)
+static int samsung_laptop_call_show(struct seq_file *m, void *data)
{
struct samsung_laptop *samsung = m->private;
struct sabi_data *sdata = &samsung->debug.data;
@@ -1274,19 +1274,7 @@ static int show_call(struct seq_file *m, void *data)
sdata->d0, sdata->d1, sdata->d2, sdata->d3);
return 0;
}
-
-static int samsung_debugfs_open(struct inode *inode, struct file *file)
-{
- return single_open(file, show_call, inode->i_private);
-}
-
-static const struct file_operations samsung_laptop_call_io_ops = {
- .owner = THIS_MODULE,
- .open = samsung_debugfs_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(samsung_laptop_call);

static void samsung_debugfs_exit(struct samsung_laptop *samsung)
{
@@ -1351,7 +1339,7 @@ static int samsung_debugfs_init(struct samsung_laptop *samsung)

dent = debugfs_create_file("call", S_IFREG | S_IRUGO,
samsung->debug.root, samsung,
- &samsung_laptop_call_io_ops);
+ &samsung_laptop_call_fops);
if (!dent)
goto error_debugfs;

--
2.15.1
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