diff options
| author | Biju Das <biju.das.jz@bp.renesas.com> | 2024-01-05 14:53:42 +0000 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2024-01-18 01:00:21 +0100 |
| commit | 8681de6457aa071a5982e9b20682e56a7d87e3b6 (patch) | |
| tree | 9b88759a3d82690417f96aded61d1a95e92b1978 /drivers/rtc | |
| parent | dd7fe5d9fd6a27531e985e3812ef4031bd316b01 (diff) | |
| download | linux-8681de6457aa071a5982e9b20682e56a7d87e3b6.tar.gz | |
rtc: da9063: Make IRQ as optional
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>
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-da9063.c | 40 |
1 files changed, 22 insertions, 18 deletions
diff --git a/drivers/rtc/rtc-da9063.c b/drivers/rtc/rtc-da9063.c index 2f5d60622564a..b3a1f852c318b 100644 --- a/drivers/rtc/rtc-da9063.c +++ b/drivers/rtc/rtc-da9063.c @@ -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); } |