power: supply: max17042_battery: Use devm_work_autocancel()

Use devm_work_autocancel() instead of hand-writing it.
This saves a few lines of code.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

drivers/power/supply/max17042_battery.c

@@ -9,6 +9,7 @@
 // This driver is based on max17040_battery.c
 
 #include <linux/acpi.h>
+#include <linux/devm-helpers.h>
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/slab.h>
@@ -1030,13 +1031,6 @@ static const struct power_supply_desc max17042_no_current_sense_psy_desc = {
 	.num_properties	= ARRAY_SIZE(max17042_battery_props) - 2,
 };
 
-static void max17042_stop_work(void *data)
-{
-	struct max17042_chip *chip = data;
-
-	cancel_work_sync(&chip->work);
-}
-
 static int max17042_probe(struct i2c_client *client,
 			const struct i2c_device_id *id)
 {
@@ -1142,8 +1136,8 @@ static int max17042_probe(struct i2c_client *client,
 
 	regmap_read(chip->regmap, MAX17042_STATUS, &val);
 	if (val & STATUS_POR_BIT) {
-		INIT_WORK(&chip->work, max17042_init_worker);
-		ret = devm_add_action(&client->dev, max17042_stop_work, chip);
+		ret = devm_work_autocancel(&client->dev, &chip->work,
+					   max17042_init_worker);
 		if (ret)
 			return ret;
 		schedule_work(&chip->work);