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hwmon: (jz4740) use permission-specific DEVICE_ATTR variants 

Use DEVICE_ATTR_RO for read-only attributes. This simplifies the source
code, improves readbility, and reduces the chance of inconsistencies.

The conversion was done automatically using coccinelle. It was validated
by compiling both the old and the new source code and comparing its text,
data, and bss size.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
[groeck: Updated description]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Julia Lawall 2016-12-22 13:04:48 +01:00 committed by Guenter Roeck
parent 3edf03b3c1
commit abf04402b6
1 changed files with 3 additions and 3 deletions
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6
drivers/hwmon/jz4740-hwmon.c
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@ -44,8 +44,8 @@ static irqreturn_t jz4740_hwmon_irq(int irq, void *data)
return IRQ_HANDLED;
}
static ssize_t jz4740_hwmon_read_adcin(struct device *dev,
struct device_attribute *dev_attr, char *buf)
static ssize_t in0_input_show(struct device *dev,
struct device_attribute *dev_attr, char *buf)
{
struct jz4740_hwmon *hwmon = dev_get_drvdata(dev);
struct platform_device *pdev = hwmon->pdev;
@ -79,7 +79,7 @@ static ssize_t jz4740_hwmon_read_adcin(struct device *dev,
return ret;
}
static DEVICE_ATTR(in0_input, S_IRUGO, jz4740_hwmon_read_adcin, NULL);
static DEVICE_ATTR_RO(in0_input);
static struct attribute *jz4740_attrs[] = {
&dev_attr_in0_input.attr,