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rtc: da9063: set uie_unsupported when relevant

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[ Upstream commit 882c5e552ffd06856de42261460f46e18319d259 ]

The DA9063AD doesn't support alarms on any seconds and its granularity is
the minute. Set uie_unsupported in that case.

Reported-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reported-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Steve Twiss <stwiss.opensource@diasemi.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Alexandre Belloni 2019-04-02 12:26:36 +02:00 committed by Greg Kroah-Hartman
parent e5be04ee17
commit ce9e2dc03f
1 changed files with 7 additions and 0 deletions
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7
drivers/rtc/rtc-da9063.c
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@ -480,6 +480,13 @@ static int da9063_rtc_probe(struct platform_device *pdev)
da9063_data_to_tm(data, &rtc->alarm_time, rtc);
rtc->rtc_sync = false;
/*
* TODO: some models have alarms on a minute boundary but still support
* real hardware interrupts. Add this once the core supports it.
*/
if (config->rtc_data_start != RTC_SEC)
rtc->rtc_dev->uie_unsupported = 1;
irq_alarm = platform_get_irq_byname(pdev, "ALARM");
ret = devm_request_threaded_irq(&pdev->dev, irq_alarm, NULL,
da9063_alarm_event,