linux-kernel - [PATCH 3/3] hwmon: (ftsteutates) Use devm_watchdog_register

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Date:   Sat, 24 Dec 2022 05:18:55 +0100
From:   Armin Wolf <W_Armin@....de>
To:     jdelvare@...e.com, linux@...ck-us.net
Cc:     linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] hwmon: (ftsteutates) Use devm_watchdog_register_device()

Use devm_watchdog_register_device() to let devres take care
of unregistering the watchdog at device removal. Remove the
now pointless fts_remove() function.

Tested on a Fujitsu DS3401-B1.

Signed-off-by: Armin Wolf <W_Armin@....de>
---
 drivers/hwmon/ftsteutates.c | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/drivers/hwmon/ftsteutates.c b/drivers/hwmon/ftsteutates.c
index 66ff8d69a0de..d8878b8d16bc 100644
--- a/drivers/hwmon/ftsteutates.c
+++ b/drivers/hwmon/ftsteutates.c
@@ -333,7 +333,7 @@ static int fts_watchdog_init(struct fts_data *data)
 	/* max timeout 255 minutes. */
 	data->wdd.max_hw_heartbeat_ms = 0xFF * 60 * MSEC_PER_SEC;

-	return watchdog_register_device(&data->wdd);
+	return devm_watchdog_register_device(&data->client->dev, &data->wdd);
 }

 static umode_t fts_is_visible(const void *devdata, enum hwmon_sensor_types type, u32 attr,
@@ -611,13 +611,6 @@ static int fts_detect(struct i2c_client *client,
 	return 0;
 }

-static void fts_remove(struct i2c_client *client)
-{
-	struct fts_data *data = dev_get_drvdata(&client->dev);
-
-	watchdog_unregister_device(&data->wdd);
-}
-
 static int fts_probe(struct i2c_client *client)
 {
 	u8 revision;
@@ -684,7 +677,6 @@ static struct i2c_driver fts_driver = {
 	},
 	.id_table = fts_id,
 	.probe_new = fts_probe,
-	.remove = fts_remove,
 	.detect = fts_detect,
 	.address_list = normal_i2c,
 };
--
2.30.2