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rtc: nxp-bbnsm: Use resource managed API to simplify code

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

Signed-off-by: Peng Fan <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Alexandre Belloni <[email protected]>
This commit is contained in:
Peng Fan authored and Alexandre Belloni committed 2025-03-03 22:52:29 +01:00
1 parent 04572d1892
commit 6b296dee3e
1 file changed
+9 -20
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drivers/rtc/rtc-nxp-bbnsm.c
+9 -20
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@@ -189,36 +189,26 @@ static int bbnsm_rtc_probe(struct platform_device *pdev)
/* clear all the pending events */
regmap_write(bbnsm->regmap, BBNSM_EVENTS, 0x7A);
device_init_wakeup(&pdev->dev, true);
dev_pm_set_wake_irq(&pdev->dev, bbnsm->irq);
ret = devm_device_init_wakeup(&pdev->dev);
if (ret)
dev_err(&pdev->dev, "failed to init wakeup, %d\n", ret);
ret = devm_pm_set_wake_irq(&pdev->dev, bbnsm->irq);
if (ret)
dev_err(&pdev->dev, "failed to set wake irq, %d\n", ret);
ret = devm_request_irq(&pdev->dev, bbnsm->irq, bbnsm_rtc_irq_handler,
IRQF_SHARED, "rtc alarm", &pdev->dev);
if (ret) {
dev_err(&pdev->dev, "failed to request irq %d: %d\n",
bbnsm->irq, ret);
goto err;
return ret;
}
bbnsm->rtc->ops = &bbnsm_rtc_ops;
bbnsm->rtc->range_max = U32_MAX;
ret = devm_rtc_register_device(bbnsm->rtc);
if (ret)
goto err;
return 0;
err:
dev_pm_clear_wake_irq(&pdev->dev);
device_init_wakeup(&pdev->dev, false);
return ret;
}
static void bbnsm_rtc_remove(struct platform_device *pdev)
{
dev_pm_clear_wake_irq(&pdev->dev);
device_init_wakeup(&pdev->dev, false);
return devm_rtc_register_device(bbnsm->rtc);
}
static const struct of_device_id bbnsm_dt_ids[] = {
@@ -233,7 +223,6 @@ static struct platform_driver bbnsm_rtc_driver = {
.of_match_table = bbnsm_dt_ids,
},
.probe = bbnsm_rtc_probe,
.remove = bbnsm_rtc_remove,
};
module_platform_driver(bbnsm_rtc_driver);