linux-kernel - [PATCH v1 1/2] x86/platform/atom: Re-use DEFINE_SHOW

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Date:   Wed, 14 Feb 2018 17:43:16 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v1 1/2] 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@...ux.intel.com>
---
 arch/x86/platform/atom/punit_atom_debug.c | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/arch/x86/platform/atom/punit_atom_debug.c b/arch/x86/platform/atom/punit_atom_debug.c
index d49d3be81953..156b445bcf4d 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;
 
-- 
2.15.1