From f2a7667c6cc09431575a286ec87e823fddd4dd41 Mon Sep 17 00:00:00 2001 From: Andrew Davis Date: Tue, 23 Jan 2024 10:36:46 -0600 Subject: [PATCH] power: supply: wm831x: Use devm_power_supply_register() helper Use the device lifecycle managed register function. This helps prevent mistakes like unregistering out of order in cleanup functions and forgetting to unregister on error paths. Signed-off-by: Andrew Davis Link: https://lore.kernel.org/r/20240123163653.384385-15-afd@ti.com Signed-off-by: Sebastian Reichel --- drivers/power/supply/wm831x_power.c | 24 +++++++++--------------- 1 file changed, 9 insertions(+), 15 deletions(-) diff --git a/drivers/power/supply/wm831x_power.c b/drivers/power/supply/wm831x_power.c index e49b01ee5f3e..d56e499ac59f 100644 --- a/drivers/power/supply/wm831x_power.c +++ b/drivers/power/supply/wm831x_power.c @@ -570,8 +570,9 @@ static int wm831x_power_probe(struct platform_device *pdev) power->wall_desc.properties = wm831x_wall_props; power->wall_desc.num_properties = ARRAY_SIZE(wm831x_wall_props); power->wall_desc.get_property = wm831x_wall_get_prop; - power->wall = power_supply_register(&pdev->dev, &power->wall_desc, - NULL); + power->wall = devm_power_supply_register(&pdev->dev, + &power->wall_desc, + NULL); if (IS_ERR(power->wall)) { ret = PTR_ERR(power->wall); goto err; @@ -582,7 +583,9 @@ static int wm831x_power_probe(struct platform_device *pdev) power->usb_desc.properties = wm831x_usb_props; power->usb_desc.num_properties = ARRAY_SIZE(wm831x_usb_props); power->usb_desc.get_property = wm831x_usb_get_prop; - power->usb = power_supply_register(&pdev->dev, &power->usb_desc, NULL); + power->usb = devm_power_supply_register(&pdev->dev, + &power->usb_desc, + NULL); if (IS_ERR(power->usb)) { ret = PTR_ERR(power->usb); goto err_wall; @@ -599,9 +602,9 @@ static int wm831x_power_probe(struct platform_device *pdev) power->battery_desc.num_properties = ARRAY_SIZE(wm831x_bat_props); power->battery_desc.get_property = wm831x_bat_get_prop; power->battery_desc.use_for_apm = 1; - power->battery = power_supply_register(&pdev->dev, - &power->battery_desc, - NULL); + power->battery = devm_power_supply_register(&pdev->dev, + &power->battery_desc, + NULL); if (IS_ERR(power->battery)) { ret = PTR_ERR(power->battery); goto err_usb; @@ -684,12 +687,8 @@ err_syslo: irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "SYSLO")); free_irq(irq, power); err_battery: - if (power->have_battery) - power_supply_unregister(power->battery); err_usb: - power_supply_unregister(power->usb); err_wall: - power_supply_unregister(power->wall); err: return ret; } @@ -717,11 +716,6 @@ static void wm831x_power_remove(struct platform_device *pdev) irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "SYSLO")); free_irq(irq, wm831x_power); - - if (wm831x_power->have_battery) - power_supply_unregister(wm831x_power->battery); - power_supply_unregister(wm831x_power->wall); - power_supply_unregister(wm831x_power->usb); } static struct platform_driver wm831x_power_driver = { -- 2.25.1