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phy: phy-twl4030-usb: use DEVICE_ATTR_RO macro

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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@huawei.com>
Link: https://lore.kernel.org/r/20210520135132.37628-1-yuehaibing@huawei.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
YueHaibing 2021-05-20 21:51:32 +08:00 committed by Vinod Koul
parent 46923bdb14
commit f0afa23568
1 changed files with 3 additions and 3 deletions
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6
drivers/phy/ti/phy-twl4030-usb.c
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@ -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)
{