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mfd: kempld-core: 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@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Zhen Lei 2021-06-02 19:43:36 +08:00 committed by Lee Jones
parent 426d94a914
commit cd5bde2ce8
1 changed files with 9 additions and 10 deletions
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19
drivers/mfd/kempld-core.c
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@ -344,16 +344,16 @@ static const char *kempld_get_type_string(struct kempld_device_data *pld)
return version_type;
}
static ssize_t kempld_version_show(struct device *dev,
struct device_attribute *attr, char *buf)
static ssize_t pld_version_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct kempld_device_data *pld = dev_get_drvdata(dev);
return scnprintf(buf, PAGE_SIZE, "%s\n", pld->info.version);
}
static ssize_t kempld_specification_show(struct device *dev,
struct device_attribute *attr, char *buf)
static ssize_t pld_specification_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct kempld_device_data *pld = dev_get_drvdata(dev);
@ -361,18 +361,17 @@ static ssize_t kempld_specification_show(struct device *dev,
pld->info.spec_minor);
}
static ssize_t kempld_type_show(struct device *dev,
struct device_attribute *attr, char *buf)
static ssize_t pld_type_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct kempld_device_data *pld = dev_get_drvdata(dev);
return scnprintf(buf, PAGE_SIZE, "%s\n", kempld_get_type_string(pld));
}
static DEVICE_ATTR(pld_version, S_IRUGO, kempld_version_show, NULL);
static DEVICE_ATTR(pld_specification, S_IRUGO, kempld_specification_show,
NULL);
static DEVICE_ATTR(pld_type, S_IRUGO, kempld_type_show, NULL);
static DEVICE_ATTR_RO(pld_version);
static DEVICE_ATTR_RO(pld_specification);
static DEVICE_ATTR_RO(pld_type);
static struct attribute *pld_attributes[] = {
&dev_attr_pld_version.attr,