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i2c: core: Use DEVICE_ATTR_*() helper macros 

Convert the i2c core sysfs attributes from DEVICE_ATTR() to
DEVICE_ATTR_*(), to reduce boilerplate.
This requires renaming some functions.

Although no suitable macro exists for the delete_device attribute,
rename i2c_sysfs_delete_device() to delete_device_store() for
consistency.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Luca Ceresoli <luca@lucaceresoli.net>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Geert Uytterhoeven 2019-11-13 16:23:06 +01:00 коммит произвёл Wolfram Sang
Родитель c807da539e
Коммит 54a19fd4a6
1 изменённых файлов: 10 добавлений и 10 удалений
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20
drivers/i2c/i2c-core-base.c
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@ -449,15 +449,15 @@ static void i2c_client_dev_release(struct device *dev)
}
static ssize_t
show_name(struct device *dev, struct device_attribute *attr, char *buf)
name_show(struct device *dev, struct device_attribute *attr, char *buf)
{
return sprintf(buf, "%s\n", dev->type == &i2c_client_type ?
to_i2c_client(dev)->name : to_i2c_adapter(dev)->name);
}
static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
static DEVICE_ATTR_RO(name);
static ssize_t
show_modalias(struct device *dev, struct device_attribute *attr, char *buf)
modalias_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct i2c_client *client = to_i2c_client(dev);
int len;
@ -472,7 +472,7 @@ show_modalias(struct device *dev, struct device_attribute *attr, char *buf)
return sprintf(buf, "%s%s\n", I2C_MODULE_PREFIX, client->name);
}
static DEVICE_ATTR(modalias, S_IRUGO, show_modalias, NULL);
static DEVICE_ATTR_RO(modalias);
static struct attribute *i2c_dev_attrs[] = {
&dev_attr_name.attr,
@ -1016,8 +1016,8 @@ EXPORT_SYMBOL_GPL(i2c_adapter_depth);
* the user to provide incorrect parameters.
*/
static ssize_t
i2c_sysfs_new_device(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
new_device_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct i2c_adapter *adap = to_i2c_adapter(dev);
struct i2c_board_info info;
@ -1072,7 +1072,7 @@ i2c_sysfs_new_device(struct device *dev, struct device_attribute *attr,
return count;
}
static DEVICE_ATTR(new_device, S_IWUSR, NULL, i2c_sysfs_new_device);
static DEVICE_ATTR_WO(new_device);
/*
* And of course let the users delete the devices they instantiated, if
@ -1084,8 +1084,8 @@ static DEVICE_ATTR(new_device, S_IWUSR, NULL, i2c_sysfs_new_device);
* the user to delete the wrong device.
*/
static ssize_t
i2c_sysfs_delete_device(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
delete_device_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct i2c_adapter *adap = to_i2c_adapter(dev);
struct i2c_client *client, *next;
@ -1128,7 +1128,7 @@ i2c_sysfs_delete_device(struct device *dev, struct device_attribute *attr,
return res;
}
static DEVICE_ATTR_IGNORE_LOCKDEP(delete_device, S_IWUSR, NULL,
i2c_sysfs_delete_device);
delete_device_store);
static struct attribute *i2c_adapter_attrs[] = {
&dev_attr_name.attr,