[PATCH 1/7] rtc: stm32: Use resource managed API to simplify code

[Peng Fan (OSS)]

From: Peng Fan <peng.fan@xxxxxxx>

Use devm_pm_set_wake_irq and devm_device_init_wakeup to cleanup the
error handling code and 'driver.remove()' hook.

Reviewed-by: Antonio Borneo <antonio.borneo@xxxxxxxxxxx>
Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
---
 drivers/rtc/rtc-stm32.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/rtc/rtc-stm32.c b/drivers/rtc/rtc-stm32.c
index a0564d4435690313b86669893ec639af90fd6b68..1b715db47160158b3cfc79c437ea956e301deeb5 100644
--- a/drivers/rtc/rtc-stm32.c
+++ b/drivers/rtc/rtc-stm32.c
@@ -1143,11 +1143,11 @@ static int stm32_rtc_probe(struct platform_device *pdev)
 		goto err;
 	}
 
-	ret = device_init_wakeup(&pdev->dev, true);
+	ret = devm_device_init_wakeup(&pdev->dev);
 	if (ret)
 		goto err;
 
-	ret = dev_pm_set_wake_irq(&pdev->dev, rtc->irq_alarm);
+	ret = devm_pm_set_wake_irq(&pdev->dev, rtc->irq_alarm);
 	if (ret)
 		goto err;
 
@@ -1208,9 +1208,6 @@ static int stm32_rtc_probe(struct platform_device *pdev)
 	if (rtc->data->need_dbp)
 		regmap_update_bits(rtc->dbp, rtc->dbp_reg, rtc->dbp_mask, 0);
 
-	dev_pm_clear_wake_irq(&pdev->dev);
-	device_init_wakeup(&pdev->dev, false);
-
 	return ret;
 }
 
@@ -1237,9 +1234,6 @@ static void stm32_rtc_remove(struct platform_device *pdev)
 	/* Enable backup domain write protection if needed */
 	if (rtc->data->need_dbp)
 		regmap_update_bits(rtc->dbp, rtc->dbp_reg, rtc->dbp_mask, 0);
-
-	dev_pm_clear_wake_irq(&pdev->dev);
-	device_init_wakeup(&pdev->dev, false);
 }
 
 static int stm32_rtc_suspend(struct device *dev)

-- 
2.37.1