linux-kernel - [PATCH -next] mtd: mtdcore: Convert to DEFINE_SHOW

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Message-ID: <20200716090220.12983-1-miaoqinglang@huawei.com>
Date:   Thu, 16 Jul 2020 17:02:20 +0800
From:   Qinglang Miao <miaoqinglang@...wei.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        "Vignesh Raghavendra" <vigneshr@...com>
CC:     <linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH -next] mtd: mtdcore: Convert to DEFINE_SHOW_ATTRIBUTE

From: Yongqiang Liu <liuyongqiang13@...wei.com>

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yongqiang Liu <liuyongqiang13@...wei.com>
---
 drivers/mtd/mtdcore.c | 28 ++++------------------------
 1 file changed, 4 insertions(+), 24 deletions(-)

diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index e10ff132b..a88fe9fc0 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -335,7 +335,7 @@ static const struct device_type mtd_devtype = {
 	.release	= mtd_release,
 };
 
-static int mtd_partid_show(struct seq_file *s, void *p)
+static int mtd_partid_debug_show(struct seq_file *s, void *p)
 {
 	struct mtd_info *mtd = s->private;
 
@@ -344,19 +344,9 @@ static int mtd_partid_show(struct seq_file *s, void *p)
 	return 0;
 }
 
-static int mtd_partid_debugfs_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, mtd_partid_show, inode->i_private);
-}
-
-static const struct file_operations mtd_partid_debug_fops = {
-	.open           = mtd_partid_debugfs_open,
-	.read_iter           = seq_read_iter,
-	.llseek         = seq_lseek,
-	.release        = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(mtd_partid_debug);
 
-static int mtd_partname_show(struct seq_file *s, void *p)
+static int mtd_partname_debug_show(struct seq_file *s, void *p)
 {
 	struct mtd_info *mtd = s->private;
 
@@ -365,17 +355,7 @@ static int mtd_partname_show(struct seq_file *s, void *p)
 	return 0;
 }
 
-static int mtd_partname_debugfs_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, mtd_partname_show, inode->i_private);
-}
-
-static const struct file_operations mtd_partname_debug_fops = {
-	.open           = mtd_partname_debugfs_open,
-	.read_iter           = seq_read_iter,
-	.llseek         = seq_lseek,
-	.release        = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(mtd_partname_debug);
 
 static struct dentry *dfs_dir_mtd;
 
-- 
2.17.1