regulator: userspace-consumer: use DEVICE_ATTR_RO/RW macro
Use DEVICE_ATTR_RO/RW 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> Link: https://lore.kernel.org/r/20210602080526.11117-1-thunder.leizhen@huawei.com Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -29,7 +29,7 @@ struct userspace_consumer_data {
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struct regulator_bulk_data *supplies;
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};
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static ssize_t reg_show_name(struct device *dev,
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static ssize_t name_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct userspace_consumer_data *data = dev_get_drvdata(dev);
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@ -37,7 +37,7 @@ static ssize_t reg_show_name(struct device *dev,
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return sprintf(buf, "%s\n", data->name);
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}
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static ssize_t reg_show_state(struct device *dev,
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static ssize_t state_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct userspace_consumer_data *data = dev_get_drvdata(dev);
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@ -48,7 +48,7 @@ static ssize_t reg_show_state(struct device *dev,
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return sprintf(buf, "disabled\n");
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}
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static ssize_t reg_set_state(struct device *dev, struct device_attribute *attr,
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static ssize_t state_store(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count)
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{
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struct userspace_consumer_data *data = dev_get_drvdata(dev);
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@ -87,8 +87,8 @@ static ssize_t reg_set_state(struct device *dev, struct device_attribute *attr,
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return count;
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}
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static DEVICE_ATTR(name, 0444, reg_show_name, NULL);
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static DEVICE_ATTR(state, 0644, reg_show_state, reg_set_state);
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static DEVICE_ATTR_RO(name);
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static DEVICE_ATTR_RW(state);
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static struct attribute *attributes[] = {
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&dev_attr_name.attr,
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