UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

x86/platform/quark: Re-use DEFINE_SHOW_ATTRIBUTE() macro 

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

While here, replace permissions by explicit octal value.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20180214154317.52290-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Andy Shevchenko 2018-02-14 17:43:17 +02:00 committed by Ingo Molnar
parent 3130451e27
commit a66b86f002
1 changed files with 3 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
arch/x86/platform/intel-quark/imr.c
View File

@ -224,25 +224,7 @@ static int imr_dbgfs_state_show(struct seq_file *s, void *unused)
mutex_unlock(&idev->lock);
return ret;
}
/**
* imr_state_open - debugfs open callback.
*
* @inode: pointer to struct inode.
* @file: pointer to struct file.
* @return: result of single open.
*/
static int imr_state_open(struct inode *inode, struct file *file)
{
return single_open(file, imr_dbgfs_state_show, inode->i_private);
}
static const struct file_operations imr_state_ops = {
.open = imr_state_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
DEFINE_SHOW_ATTRIBUTE(imr_dbgfs_state);
/**
* imr_debugfs_register - register debugfs hooks.
@ -252,8 +234,8 @@ static const struct file_operations imr_state_ops = {
*/
static int imr_debugfs_register(struct imr_device *idev)
{
idev->file = debugfs_create_file("imr_state", S_IFREG | S_IRUGO, NULL,
idev, &imr_state_ops);
idev->file = debugfs_create_file("imr_state", 0444, NULL, idev,
&imr_dbgfs_state_fops);
return PTR_ERR_OR_ZERO(idev->file);
}