linux-kernel - [PATCH -next] bus: mvebu-mbus: Convert to DEFINE_SHOW

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Message-ID: <20200716090422.13633-1-miaoqinglang@huawei.com>
Date:   Thu, 16 Jul 2020 17:04:22 +0800
From:   Qinglang Miao <miaoqinglang@...wei.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arnd Bergmann <arnd@...db.de>,
        Gregory CLEMENT <gregory.clement@...e-electrons.com>
CC:     <linux-kernel@...r.kernel.org>
Subject: [PATCH -next] bus: mvebu-mbus: Convert to DEFINE_SHOW_ATTRIBUTE

From: Liu Shixin <liushixin2@...wei.com>

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Liu Shixin <liushixin2@...wei.com>
---
 drivers/bus/mvebu-mbus.c | 24 ++----------------------
 1 file changed, 2 insertions(+), 22 deletions(-)

diff --git a/drivers/bus/mvebu-mbus.c b/drivers/bus/mvebu-mbus.c
index e76c866cd..3aaaf4848 100644
--- a/drivers/bus/mvebu-mbus.c
+++ b/drivers/bus/mvebu-mbus.c
@@ -470,17 +470,7 @@ static int mvebu_sdram_debug_show(struct seq_file *seq, void *v)
 	return mbus->soc->show_cpu_target(mbus, seq, v);
 }
 
-static int mvebu_sdram_debug_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, mvebu_sdram_debug_show, inode->i_private);
-}
-
-static const struct file_operations mvebu_sdram_debug_fops = {
-	.open = mvebu_sdram_debug_open,
-	.read_iter = seq_read_iter,
-	.llseek = seq_lseek,
-	.release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(mvebu_sdram_debug);
 
 static int mvebu_devs_debug_show(struct seq_file *seq, void *v)
 {
@@ -520,17 +510,7 @@ static int mvebu_devs_debug_show(struct seq_file *seq, void *v)
 	return 0;
 }
 
-static int mvebu_devs_debug_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, mvebu_devs_debug_show, inode->i_private);
-}
-
-static const struct file_operations mvebu_devs_debug_fops = {
-	.open = mvebu_devs_debug_open,
-	.read_iter = seq_read_iter,
-	.llseek = seq_lseek,
-	.release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(mvebu_devs_debug);
 
 /*
  * SoC-specific functions and definitions
-- 
2.17.1