linux-kernel - [PATCH 1/1] sparc64: vcc: use DEVICE_ATTR

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Date:   Wed, 2 Jun 2021 09:48:39 +0800
From:   Zhen Lei <thunder.leizhen@...wei.com>
To:     "David S . Miller" <davem@...emloft.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        sparclinux <sparclinux@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
CC:     Zhen Lei <thunder.leizhen@...wei.com>
Subject: [PATCH 1/1] sparc64: vcc: use DEVICE_ATTR_*() macro

Use DEVICE_ATTR_*() macro helper instead of plain DEVICE_ATTR, which makes
the code a bit shorter and easier to read.

Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
---
 drivers/tty/vcc.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/tty/vcc.c b/drivers/tty/vcc.c
index 0355f4579ecf203..d06bcc3b4c07762 100644
--- a/drivers/tty/vcc.c
+++ b/drivers/tty/vcc.c
@@ -473,9 +473,9 @@ static struct vio_version vcc_versions[] = {
 
 static struct tty_port_operations vcc_port_ops = { 0 };
 
-static ssize_t vcc_sysfs_domain_show(struct device *dev,
-				     struct device_attribute *attr,
-				     char *buf)
+static ssize_t domain_show(struct device *dev,
+			   struct device_attribute *attr,
+			   char *buf)
 {
 	struct vcc_port *port;
 	int rv;
@@ -505,9 +505,9 @@ static int vcc_send_ctl(struct vcc_port *port, int ctl)
 	return rv;
 }
 
-static ssize_t vcc_sysfs_break_store(struct device *dev,
-				     struct device_attribute *attr,
-				     const char *buf, size_t count)
+static ssize_t break_store(struct device *dev,
+			   struct device_attribute *attr,
+			   const char *buf, size_t count)
 {
 	struct vcc_port *port;
 	unsigned long flags;
@@ -530,8 +530,8 @@ static ssize_t vcc_sysfs_break_store(struct device *dev,
 	return rv;
 }
 
-static DEVICE_ATTR(domain, 0400, vcc_sysfs_domain_show, NULL);
-static DEVICE_ATTR(break, 0200, NULL, vcc_sysfs_break_store);
+static DEVICE_ATTR_ADMIN_RO(domain);
+static DEVICE_ATTR_WO(break);
 
 static struct attribute *vcc_sysfs_entries[] = {
 	&dev_attr_domain.attr,
-- 
2.26.0.106.g9fadedd