linux-kernel - [PATCH v1 2/4] platform/x86: dell-laptop: Re-use DEFINE_SHOW

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Date:   Mon, 22 Jan 2018 18:05:44 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Darren Hart <dvhart@...radead.org>,
        platform-driver-x86@...r.kernel.org,
        Linus Walleij <linus.walleij@...aro.org>,
        Lee Jones <lee.jones@...aro.org>,
        Marcel Holtmann <marcel@...tmann.org>,
        linux-kernel@...r.kernel.org
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v1 2/4] platform/x86: dell-laptop: Re-use DEFINE_SHOW_ATTRIBUTE() macro

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

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/platform/x86/dell-laptop.c | 14 +-------------
 1 file changed, 1 insertion(+), 13 deletions(-)

diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index a94936a5b6c7..7a6e521b93e6 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -594,19 +594,7 @@ static int dell_debugfs_show(struct seq_file *s, void *data)
 
 	return 0;
 }
-
-static int dell_debugfs_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, dell_debugfs_show, inode->i_private);
-}
-
-static const struct file_operations dell_debugfs_fops = {
-	.owner = THIS_MODULE,
-	.open = dell_debugfs_open,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(dell_debugfs);
 
 static void dell_update_rfkill(struct work_struct *ignored)
 {
-- 
2.15.1