linux-kernel - [PATCH v3 01/11] hwmon: (ds1621) Convert to use devm_hwmon_device_register_with

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Date:	Sat, 14 Sep 2013 10:13:42 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	Jean Delvare <khali@...ux-fr.org>
Cc:	lm-sensors@...sensors.org, linux-kernel@...r.kernel.org,
	Guenter Roeck <linux@...ck-us.net>
Subject: [PATCH v3 01/11] hwmon: (ds1621) Convert to use devm_hwmon_device_register_with_groups

Also use new macro __ATTRIBUTE_GROUPS to declare attribute groups.

Signed-off-by: Guenter Roeck <linux@...ck-us.net>
---
v3: Use __ATTRIBUTE_GROUPS

 drivers/hwmon/ds1621.c |   24 ++++--------------------
 1 file changed, 4 insertions(+), 20 deletions(-)

diff --git a/drivers/hwmon/ds1621.c b/drivers/hwmon/ds1621.c
index 595f4ef..5e398c9 100644
--- a/drivers/hwmon/ds1621.c
+++ b/drivers/hwmon/ds1621.c
@@ -354,11 +354,7 @@ static const struct attribute_group ds1621_group = {
 	.attrs = ds1621_attributes,
 	.is_visible = ds1621_attribute_visible
 };
-
-static const struct attribute_group *ds1621_groups[] = {
-	&ds1621_group,
-	NULL
-};
+__ATTRIBUTE_GROUPS(ds1621);
 
 static int ds1621_probe(struct i2c_client *client,
 			const struct i2c_device_id *id)
@@ -379,23 +375,12 @@ static int ds1621_probe(struct i2c_client *client,
 	/* Initialize the DS1621 chip */
 	ds1621_init_client(data, client);
 
-	hwmon_dev = hwmon_device_register_with_groups(&client->dev,
-						      client->name, data,
-						      ds1621_groups);
+	hwmon_dev = devm_hwmon_device_register_with_groups(&client->dev,
+							   client->name, data,
+							   ds1621_groups);
 	if (IS_ERR(hwmon_dev))
 		return PTR_ERR(hwmon_dev);
 
-	i2c_set_clientdata(client, hwmon_dev);
-
-	return 0;
-}
-
-static int ds1621_remove(struct i2c_client *client)
-{
-	struct device *hwmon_dev = i2c_get_clientdata(client);
-
-	hwmon_device_unregister(hwmon_dev);
-
 	return 0;
 }
 
@@ -416,7 +401,6 @@ static struct i2c_driver ds1621_driver = {
 		.name	= "ds1621",
 	},
 	.probe		= ds1621_probe,
-	.remove		= ds1621_remove,
 	.id_table	= ds1621_id,
 };
 
-- 
1.7.9.7

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