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rtc-isl1208: use sysfs_{create/remove}_group

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Instead of individually creating and removing the sysfs device attribute
files, wrap them in an attribute_group and use
sysfs_{create/remove}_group.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Paul Gortmaker <p_gortmaker@yahoo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
H Hartley Sweeten 2010-05-24 14:33:46 -07:00 committed by Linus Torvalds
parent 5cf8f57d44
commit e17ab5cbed
1 changed files with 11 additions and 34 deletions
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45
drivers/rtc/rtc-isl1208.c
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@ -462,39 +462,16 @@ isl1208_sysfs_store_usr(struct device *dev,
static DEVICE_ATTR(usr, S_IRUGO | S_IWUSR, isl1208_sysfs_show_usr,
isl1208_sysfs_store_usr);
static int
isl1208_sysfs_register(struct device *dev)
{
int err;
static struct attribute *isl1208_rtc_attrs[] = {
&dev_attr_atrim.attr,
&dev_attr_dtrim.attr,
&dev_attr_usr.attr,
NULL
};
err = device_create_file(dev, &dev_attr_atrim);
if (err)
return err;
err = device_create_file(dev, &dev_attr_dtrim);
if (err) {
device_remove_file(dev, &dev_attr_atrim);
return err;
}
err = device_create_file(dev, &dev_attr_usr);
if (err) {
device_remove_file(dev, &dev_attr_atrim);
device_remove_file(dev, &dev_attr_dtrim);
}
return 0;
}
static int
isl1208_sysfs_unregister(struct device *dev)
{
device_remove_file(dev, &dev_attr_dtrim);
device_remove_file(dev, &dev_attr_atrim);
device_remove_file(dev, &dev_attr_usr);
return 0;
}
static const struct attribute_group isl1208_rtc_sysfs_files = {
.attrs = isl1208_rtc_attrs,
};
static int
isl1208_probe(struct i2c_client *client, const struct i2c_device_id *id)
@ -529,7 +506,7 @@ isl1208_probe(struct i2c_client *client, const struct i2c_device_id *id)
dev_warn(&client->dev, "rtc power failure detected, "
"please set clock.\n");
rc = isl1208_sysfs_register(&client->dev);
rc = sysfs_create_group(&client->dev.kobj, &isl1208_rtc_sysfs_files);
if (rc)
goto exit_unregister;
@ -546,7 +523,7 @@ isl1208_remove(struct i2c_client *client)
{
struct rtc_device *rtc = i2c_get_clientdata(client);
isl1208_sysfs_unregister(&client->dev);
sysfs_remove_group(&client->dev.kobj, &isl1208_rtc_sysfs_files);
rtc_device_unregister(rtc);
return 0;