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rtc: da9063: Make IRQ as optional

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On some platforms (eg: RZ/{G2UL,Five} SMARC EVK), there is no IRQ
populated by default. Add irq optional support.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240105145344.204453-2-biju.das.jz@bp.renesas.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Biju Das 2024-01-05 14:53:42 +00:00 committed by Alexandre Belloni
parent dd7fe5d9fd
commit 8681de6457
1 changed files with 22 additions and 18 deletions
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40
drivers/rtc/rtc-da9063.c
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@ -485,25 +485,29 @@ static int da9063_rtc_probe(struct platform_device *pdev)
clear_bit(RTC_FEATURE_UPDATE_INTERRUPT, rtc->rtc_dev->features);
}
irq_alarm = platform_get_irq_byname(pdev, "ALARM");
if (irq_alarm < 0)
irq_alarm = platform_get_irq_byname_optional(pdev, "ALARM");
if (irq_alarm >= 0) {
ret = devm_request_threaded_irq(&pdev->dev, irq_alarm, NULL,
da9063_alarm_event,
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
"ALARM", rtc);
if (ret)
dev_err(&pdev->dev,
"Failed to request ALARM IRQ %d: %d\n",
irq_alarm, ret);
ret = dev_pm_set_wake_irq(&pdev->dev, irq_alarm);
if (ret)
dev_warn(&pdev->dev,
"Failed to set IRQ %d as a wake IRQ: %d\n",
irq_alarm, ret);
device_init_wakeup(&pdev->dev, true);
} else if (irq_alarm != -ENXIO) {
return irq_alarm;
ret = devm_request_threaded_irq(&pdev->dev, irq_alarm, NULL,
da9063_alarm_event,
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
"ALARM", rtc);
if (ret)
dev_err(&pdev->dev, "Failed to request ALARM IRQ %d: %d\n",
irq_alarm, ret);
ret = dev_pm_set_wake_irq(&pdev->dev, irq_alarm);
if (ret)
dev_warn(&pdev->dev,
"Failed to set IRQ %d as a wake IRQ: %d\n",
irq_alarm, ret);
device_init_wakeup(&pdev->dev, true);
} else {
clear_bit(RTC_FEATURE_ALARM, rtc->rtc_dev->features);
}
return devm_rtc_register_device(rtc->rtc_dev);
}