linux-kernel - [PATCH 3/9] mfd: timberdale: use DEVICE_ATTR

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Message-ID: <20210602114339.11223-4-thunder.leizhen@huawei.com>
Date:   Wed, 2 Jun 2021 19:43:33 +0800
From:   Zhen Lei <thunder.leizhen@...wei.com>
To:     Lee Jones <lee.jones@...aro.org>,
        patches <patches@...nsource.cirrus.com>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
CC:     Zhen Lei <thunder.leizhen@...wei.com>
Subject: [PATCH 3/9] mfd: timberdale: use DEVICE_ATTR_RO macro

Use DEVICE_ATTR_RO 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/mfd/timberdale.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/mfd/timberdale.c b/drivers/mfd/timberdale.c
index faecbca6dba3dc0..9393ee60a656cd4 100644
--- a/drivers/mfd/timberdale.c
+++ b/drivers/mfd/timberdale.c
@@ -623,8 +623,8 @@ static const struct mfd_cell timberdale_cells_bar2[] = {
 	},
 };
 
-static ssize_t show_fw_ver(struct device *dev, struct device_attribute *attr,
-	char *buf)
+static ssize_t fw_ver_show(struct device *dev,
+			   struct device_attribute *attr, char *buf)
 {
 	struct timberdale_device *priv = dev_get_drvdata(dev);
 
@@ -632,7 +632,7 @@ static ssize_t show_fw_ver(struct device *dev, struct device_attribute *attr,
 		priv->fw.config);
 }
 
-static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL);
+static DEVICE_ATTR_RO(fw_ver);
 
 /*--------------------------------------------------------------------------*/
 
-- 
2.26.0.106.g9fadedd