Commit-ID: 3130451e270960065e8de684c60b898e970c940c
Gitweb: https://git.kernel.org/tip/3130451e270960065e8de684c60b898e970c940c
Author: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
AuthorDate: Wed, 14 Feb 2018 17:43:16 +0200
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Fri, 16 Feb 2018 10:10:14 +0100
x86/platform/atom: 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@xxxxxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/20180214154317.52290-1-andriy.shevchenko@xxxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/x86/platform/atom/punit_atom_debug.c | 17 +++--------------
1 file changed, 3 insertions(+), 14 deletions(-)
diff --git a/arch/x86/platform/atom/punit_atom_debug.c b/arch/x86/platform/atom/punit_atom_debug.c
index d49d3be..034813d 100644
--- a/arch/x86/platform/atom/punit_atom_debug.c
+++ b/arch/x86/platform/atom/punit_atom_debug.c
@@ -109,18 +109,7 @@ static int punit_dev_state_show(struct seq_file *seq_file, void *unused)
return 0;
}
-
-static int punit_dev_state_open(struct inode *inode, struct file *file)
-{
- return single_open(file, punit_dev_state_show, inode->i_private);
-}
-
-static const struct file_operations punit_dev_state_ops = {
- .open = punit_dev_state_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(punit_dev_state);
static struct dentry *punit_dbg_file;
@@ -132,9 +121,9 @@ static int punit_dbgfs_register(struct punit_device *punit_device)
if (!punit_dbg_file)
return -ENXIO;
- dev_state = debugfs_create_file("dev_power_state", S_IFREG | S_IRUGO,
+ dev_state = debugfs_create_file("dev_power_state", 0444,
punit_dbg_file, punit_device,
- &punit_dev_state_ops);
+ &punit_dev_state_fops);
if (!dev_state) {
pr_err("punit_dev_state register failed\n");
debugfs_remove(punit_dbg_file);
--
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