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platform/x86: samsung-laptop: Re-use DEFINE_SHOW_ATTRIBUTE() macro

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

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This commit is contained in:
Andy Shevchenko 2018-01-22 18:05:46 +02:00
parent 334c4efd29
commit 9a7c551ba7
1 changed files with 3 additions and 15 deletions
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18
drivers/platform/x86/samsung-laptop.c
View file

@ -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 samsung_laptop *samsung = m->private;
struct sabi_data *sdata = &samsung->debug.data; 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); sdata->d0, sdata->d1, sdata->d2, sdata->d3);
return 0; return 0;
} }
DEFINE_SHOW_ATTRIBUTE(samsung_laptop_call);
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,
};
static void samsung_debugfs_exit(struct samsung_laptop *samsung) 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, dent = debugfs_create_file("call", S_IFREG | S_IRUGO,
samsung->debug.root, samsung, samsung->debug.root, samsung,
&samsung_laptop_call_io_ops); &samsung_laptop_call_fops);
if (!dent) if (!dent)
goto error_debugfs; goto error_debugfs;