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mfd: janz-cmodio: Use DEVICE_ATTR_RO macro

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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 19:43:37 +08:00
committed by Lee Jones
parent cd5bde2ce8
commit 24676b3ef8
1 changed files with 3 additions and 3 deletions
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6
drivers/mfd/janz-cmodio.c
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@@ -149,15 +149,15 @@ static int cmodio_probe_submodules(struct cmodio_device *priv)
* SYSFS Attributes * SYSFS Attributes
*/ */
static ssize_t mbus_show(struct device *dev, struct device_attribute *attr, static ssize_t modulbus_number_show(struct device *dev,
char *buf) struct device_attribute *attr, char *buf)
{ {
struct cmodio_device *priv = dev_get_drvdata(dev); struct cmodio_device *priv = dev_get_drvdata(dev);
return snprintf(buf, PAGE_SIZE, "%x\n", priv->hex); return snprintf(buf, PAGE_SIZE, "%x\n", priv->hex);
} }
static DEVICE_ATTR(modulbus_number, S_IRUGO, mbus_show, NULL); static DEVICE_ATTR_RO(modulbus_number);
static struct attribute *cmodio_sysfs_attrs[] = { static struct attribute *cmodio_sysfs_attrs[] = {
&dev_attr_modulbus_number.attr, &dev_attr_modulbus_number.attr,