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authorAndy Shevchenko2018-02-14 17:43:17 +0200
committerIngo Molnar2018-02-16 10:10:14 +0100
commita66b86f0026b07b0ea7340e3690ac9fd5ac1499a (patch)
tree7f679afb4254b328c8c2ae845145a1c71141ef5f /arch/x86/platform/intel-quark/imr.c
parent3130451e270960065e8de684c60b898e970c940c (diff)
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>
Diffstat (limited to 'arch/x86/platform/intel-quark/imr.c')
-rw-r--r--arch/x86/platform/intel-quark/imr.c24
1 files changed, 3 insertions, 21 deletions
diff --git a/arch/x86/platform/intel-quark/imr.c b/arch/x86/platform/intel-quark/imr.c
index 17d6d2296e4d..49828c2707ac 100644
--- a/arch/x86/platform/intel-quark/imr.c
+++ b/arch/x86/platform/intel-quark/imr.c
@@ -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);
}