rtc: stm32: Use resource managed API to simplify code

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@foss.st.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/20250205-rtc-cleanup-v1-1-66165678e089@nxp.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/drivers/rtc/rtc-stm32.c b/drivers/rtc/rtc-stm32.c
index a0564d4435690313b86669893ec639af90fd6b68..1b715db47160158b3cfc79c437ea956e301deeb5 100644 (file)
--- 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 @@ err_no_rtc_ck:
        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)