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

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>

1 files changed, 11 insertions, 34 deletions

diff --git a/drivers/rtc/rtc-isl1208.c b/drivers/rtc/rtc-isl1208.c
index 054e05294af8..468200c38ecb 100644
--- a/drivers/rtc/rtc-isl1208.c
+++ b/drivers/rtc/rtc-isl1208.c
@@ -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;
-
-        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);
+static struct attribute *isl1208_rtc_attrs[] = {
+        &dev_attr_atrim.attr,
+        &dev_attr_dtrim.attr,
+        &dev_attr_usr.attr,
+        NULL
+};
 
-        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;