[PATCHv1 14/14] power: supply: ds2781: switch to devm_power_supply_register

From: Sebastian Reichel
Date: Sun Sep 30 2018 - 18:04:42 EST


Simplify/Cleanup the driver by switching to devm_power_supply_register
and dropping the driver's remove function.

Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>
---
drivers/power/supply/ds2781_battery.c | 15 +++------------
1 file changed, 3 insertions(+), 12 deletions(-)

diff --git a/drivers/power/supply/ds2781_battery.c b/drivers/power/supply/ds2781_battery.c
index ea8c66abf602..b1a4669e1f9b 100644
--- a/drivers/power/supply/ds2781_battery.c
+++ b/drivers/power/supply/ds2781_battery.c
@@ -772,8 +772,9 @@ static int ds2781_battery_probe(struct platform_device *pdev)
psy_cfg.drv_data = dev_info;
psy_cfg.attr_grp = ds2781_sysfs_groups;

- dev_info->bat = power_supply_register(&pdev->dev, &dev_info->bat_desc,
- &psy_cfg);
+ dev_info->bat = devm_power_supply_register(&pdev->dev,
+ &dev_info->bat_desc,
+ &psy_cfg);
if (IS_ERR(dev_info->bat)) {
dev_err(dev_info->dev, "failed to register battery\n");
return PTR_ERR(dev_info->bat);
@@ -782,21 +783,11 @@ static int ds2781_battery_probe(struct platform_device *pdev)
return 0;
}

-static int ds2781_battery_remove(struct platform_device *pdev)
-{
- struct ds2781_device_info *dev_info = platform_get_drvdata(pdev);
-
- power_supply_unregister(dev_info->bat);
-
- return 0;
-}
-
static struct platform_driver ds2781_battery_driver = {
.driver = {
.name = "ds2781-battery",
},
.probe = ds2781_battery_probe,
- .remove = ds2781_battery_remove,
};
module_platform_driver(ds2781_battery_driver);

--
2.19.0