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From: Andrew Davis <afd@ti.com>
To: "Sebastian Reichel" <sre@kernel.org>,
	"Support Opensource" <support.opensource@diasemi.com>,
	"Krzysztof Kozlowski" <krzysztof.kozlowski@linaro.org>,
	"Pali Rohár" <pali@kernel.org>
Cc: <linux-pm@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	Andrew Davis <afd@ti.com>
Subject: [PATCH 14/21] power: supply: wm831x: Use devm_power_supply_register() helper
Date: Tue, 23 Jan 2024 10:36:46 -0600	[thread overview]
Message-ID: <20240123163653.384385-15-afd@ti.com> (raw)
In-Reply-To: <20240123163653.384385-1-afd@ti.com>

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 <afd@ti.com>
---
 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 e49b01ee5f3ef..d56e499ac59fb 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 @@ static int wm831x_power_probe(struct platform_device *pdev)
 	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 = {
-- 
2.39.2


  parent reply	other threads:[~2024-01-23 16:37 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-23 16:36 [PATCH 00/21] Power supply register with devm Andrew Davis
2024-01-23 16:36 ` [PATCH 01/21] power: supply: da9030: Use devm_power_supply_register() helper Andrew Davis
2024-01-23 16:36 ` [PATCH 02/21] power: supply: da9052: " Andrew Davis
2024-01-23 16:36 ` [PATCH 03/21] power: supply: ds2760: " Andrew Davis
2024-01-23 16:36 ` [PATCH 04/21] power: supply: goldfish: " Andrew Davis
2024-01-23 16:36 ` [PATCH 05/21] power: supply: lp8727: " Andrew Davis
2024-01-23 16:36 ` [PATCH 06/21] power: supply: lp8788: " Andrew Davis
2024-01-23 16:36 ` [PATCH 07/21] power: supply: max14577: " Andrew Davis
2024-01-23 16:36 ` [PATCH 08/21] power: supply: max77693: " Andrew Davis
2024-01-26 11:56   ` kernel test robot
2024-01-23 16:36 ` [PATCH 09/21] power: supply: max8925: " Andrew Davis
2024-01-26 12:28   ` kernel test robot
2024-01-23 16:36 ` [PATCH 10/21] power: supply: pcf50633: " Andrew Davis
2024-01-23 16:36 ` [PATCH 11/21] power: supply: rt5033: " Andrew Davis
2024-01-23 16:36 ` [PATCH 12/21] power: supply: tps65090: " Andrew Davis
2024-01-23 16:36 ` [PATCH 13/21] power: supply: wm831x: " Andrew Davis
2024-01-23 16:36 ` Andrew Davis [this message]
2024-01-23 16:36 ` [PATCH 15/21] power: supply: wm8350: " Andrew Davis
2024-01-26 13:00   ` kernel test robot
2024-01-23 16:36 ` [PATCH 16/21] power: supply: da9150: Use devm_iio_channel_get() helper Andrew Davis
2024-01-23 16:36 ` [PATCH 17/21] power: supply: da9150: Use devm_power_supply_register() helper Andrew Davis
2024-01-23 16:36 ` [PATCH 18/21] power: supply: rx51: Use devm_iio_channel_get() helper Andrew Davis
2024-01-23 16:36 ` [PATCH 19/21] power: supply: rx51: Use devm_power_supply_register() helper Andrew Davis
2024-01-23 16:36 ` [PATCH 20/21] power: supply: twl4030_madc: Use devm_iio_channel_get() helper Andrew Davis
2024-01-23 16:36 ` [PATCH 21/21] power: supply: twl4030_madc: Use devm_power_supply_register() helper Andrew Davis
2024-01-27  0:48 ` (subset) [PATCH 00/21] Power supply register with devm Sebastian Reichel

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