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 <[email protected]> Reported-by: Geert Uytterhoeven <[email protected]> Reviewed-by: Wolfram Sang <[email protected]> Tested-by: Wolfram Sang <[email protected]> Acked-by: Steve Twiss <[email protected]> Signed-off-by: Alexandre Belloni <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
Huawei-Dev · Apr 9, 2024 · 32de843 · 32de843
1 parent b7e30c4
commit 32de843
Showing 1 changed file with 7 additions and 0 deletions.
diff --git 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,