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authorAlexandre Belloni <alexandre.belloni@bootlin.com>2019-04-02 12:26:36 +0200
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2019-04-02 23:33:09 +0200
commit882c5e552ffd06856de42261460f46e18319d259 (patch)
treea74b42eb5d5f9739287027fd33a5aa34d800b1b5 /drivers/rtc/rtc-da9063.c
parent22e7d5148d9a0b2e5bd20913f55cce89b58cd990 (diff)
rtc: da9063: set uie_unsupported when relevant
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>
Diffstat (limited to 'drivers/rtc/rtc-da9063.c')
-rw-r--r--drivers/rtc/rtc-da9063.c7
1 files changed, 7 insertions, 0 deletions
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,