netdev - [PATCH net-next 22/46] can: at91_can: use DEVICE_ATTR

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Message-Id: <20210726141144.862529-23-mkl@pengutronix.de>
Date:   Mon, 26 Jul 2021 16:11:20 +0200
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, linux-can@...r.kernel.org,
        kernel@...gutronix.de, Zhen Lei <thunder.leizhen@...wei.com>,
        Marc Kleine-Budde <mkl@...gutronix.de>
Subject: [PATCH net-next 22/46] can: at91_can: use DEVICE_ATTR_RW() helper macro

From: Zhen Lei <thunder.leizhen@...wei.com>

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

Link: https://lore.kernel.org/r/20210603100233.11877-1-thunder.leizhen@huawei.com
Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
---
 drivers/net/can/at91_can.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c
index 04d0bb3ffe89..ca736b26e218 100644
--- a/drivers/net/can/at91_can.c
+++ b/drivers/net/can/at91_can.c
@@ -1176,8 +1176,8 @@ static const struct net_device_ops at91_netdev_ops = {
 	.ndo_change_mtu = can_change_mtu,
 };
 
-static ssize_t at91_sysfs_show_mb0_id(struct device *dev,
-		struct device_attribute *attr, char *buf)
+static ssize_t mb0_id_show(struct device *dev,
+			   struct device_attribute *attr, char *buf)
 {
 	struct at91_priv *priv = netdev_priv(to_net_dev(dev));
 
@@ -1187,8 +1187,8 @@ static ssize_t at91_sysfs_show_mb0_id(struct device *dev,
 		return snprintf(buf, PAGE_SIZE, "0x%03x\n", priv->mb0_id);
 }
 
-static ssize_t at91_sysfs_set_mb0_id(struct device *dev,
-		struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t mb0_id_store(struct device *dev,
+			    struct device_attribute *attr, const char *buf, size_t count)
 {
 	struct net_device *ndev = to_net_dev(dev);
 	struct at91_priv *priv = netdev_priv(ndev);
@@ -1222,7 +1222,7 @@ static ssize_t at91_sysfs_set_mb0_id(struct device *dev,
 	return ret;
 }
 
-static DEVICE_ATTR(mb0_id, 0644, at91_sysfs_show_mb0_id, at91_sysfs_set_mb0_id);
+static DEVICE_ATTR_RW(mb0_id);
 
 static struct attribute *at91_sysfs_attrs[] = {
 	&dev_attr_mb0_id.attr,
-- 
2.30.2