linux-kernel - [PATCH -next v2] sh: intc: Convert to DEFINE_SHOW

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Date:   Sat, 19 Sep 2020 10:52:06 +0800
From:   Qinglang Miao <miaoqinglang@...wei.com>
To:     Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>
CC:     <linux-sh@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Qinglang Miao <miaoqinglang@...wei.com>
Subject: [PATCH -next v2] sh: intc: Convert to DEFINE_SHOW_ATTRIBUTE

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Qinglang Miao <miaoqinglang@...wei.com>
---
v2: based on linux-next(20200917), and can be applied to
    mainline cleanly now.

 drivers/sh/intc/virq-debugfs.c | 14 ++------------
 1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/drivers/sh/intc/virq-debugfs.c b/drivers/sh/intc/virq-debugfs.c
index 9e62ba931..939915a07 100644
--- a/drivers/sh/intc/virq-debugfs.c
+++ b/drivers/sh/intc/virq-debugfs.c
@@ -16,7 +16,7 @@
 #include <linux/debugfs.h>
 #include "internals.h"
 
-static int intc_irq_xlate_debug(struct seq_file *m, void *priv)
+static int intc_irq_xlate_show(struct seq_file *m, void *priv)
 {
 	int i;
 
@@ -37,17 +37,7 @@ static int intc_irq_xlate_debug(struct seq_file *m, void *priv)
 	return 0;
 }
 
-static int intc_irq_xlate_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, intc_irq_xlate_debug, inode->i_private);
-}
-
-static const struct file_operations intc_irq_xlate_fops = {
-	.open = intc_irq_xlate_open,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(intc_irq_xlate);
 
 static int __init intc_irq_xlate_init(void)
 {
-- 
2.23.0