| From cf2862da380f46d575044ffcc2971cb5583f46f0 Mon Sep 17 00:00:00 2001 |
| From: Alexandre Belloni <alexandre.belloni@bootlin.com> |
| Date: Tue, 2 Apr 2019 12:26:36 +0200 |
| Subject: rtc: da9063: set uie_unsupported when relevant |
| |
| [ 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 (Microsoft) <sashal@kernel.org> |
| --- |
| drivers/rtc/rtc-da9063.c | 7 +++++++ |
| 1 file changed, 7 insertions(+) |
| |
| diff --git a/drivers/rtc/rtc-da9063.c b/drivers/rtc/rtc-da9063.c |
| index b4e054c64bad..69b54e5556c0 100644 |
| --- a/drivers/rtc/rtc-da9063.c |
| +++ b/drivers/rtc/rtc-da9063.c |
| @@ -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, |
| -- |
| 2.20.1 |
| |
