linux-kernel - [PATCH -next] phy: phy-twl4030-usb: use DEVICE_ATTR

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Message-ID: <20210520135132.37628-1-yuehaibing@huawei.com>
Date:   Thu, 20 May 2021 21:51:32 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <kishon@...com>, <vkoul@...nel.org>, <yuehaibing@...wei.com>
CC:     <linux-phy@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH -next] phy: phy-twl4030-usb: use DEVICE_ATTR_RO macro

Use DEVICE_ATTR_RO helper instead of plain DEVICE_ATTR,
which makes the code a bit shorter and easier to read.

Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 drivers/phy/ti/phy-twl4030-usb.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/phy/ti/phy-twl4030-usb.c b/drivers/phy/ti/phy-twl4030-usb.c
index 812e5409d359..5771e2486a3b 100644
--- a/drivers/phy/ti/phy-twl4030-usb.c
+++ b/drivers/phy/ti/phy-twl4030-usb.c
@@ -544,8 +544,8 @@ static int twl4030_usb_ldo_init(struct twl4030_usb *twl)
 	return 0;
 }
 
-static ssize_t twl4030_usb_vbus_show(struct device *dev,
-		struct device_attribute *attr, char *buf)
+static ssize_t vbus_show(struct device *dev,
+			 struct device_attribute *attr, char *buf)
 {
 	struct twl4030_usb *twl = dev_get_drvdata(dev);
 	int ret = -EINVAL;
@@ -557,7 +557,7 @@ static ssize_t twl4030_usb_vbus_show(struct device *dev,
 
 	return ret;
 }
-static DEVICE_ATTR(vbus, 0444, twl4030_usb_vbus_show, NULL);
+static DEVICE_ATTR_RO(vbus);
 
 static irqreturn_t twl4030_usb_irq(int irq, void *_twl)
 {
-- 
2.17.1