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

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

[H Hartley Sweeten]

[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain; charset="utf-8", Size: 2342 bytes --]

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>

---

diff --git a/drivers/rtc/rtc-isl1208.c b/drivers/rtc/rtc-isl1208.c
index 054e052..468200c 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;
ÿôèº{.nÇ+‰·Ÿ®‰­†+%ŠËÿ±éݶ\x17¥Šwÿº{.nÇ+‰·¥Š{±þG«éÿŠ{ayº\x1dʇڙë,j\a­¢f£¢·hšïêÿ‘êçz_è®\x03(­éšŽŠÝ¢j"ú\x1a¶^[m§ÿÿ¾\a«þG«éÿ¢¸?™¨è­Ú&£ø§~á¶iO•æ¬z·švØ^\x14\x04\x1a¶^[m§ÿÿÃ\fÿ¶ìÿ¢¸?–I¥