diff options
| author | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2019-04-02 12:26:36 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-05-08 07:20:49 +0200 |
| commit | 8217b8ee7b2143db7fa5d934f320e198fd16cdc5 (patch) | |
| tree | d1659b221e7d460301271cff96fdc827c90b7906 | |
| parent | c49cf5c84735c8b72a62ea779ef517def26c3783 (diff) | |
| download | linux-stable-8217b8ee7b2143db7fa5d934f320e198fd16cdc5.tar.gz linux-stable-8217b8ee7b2143db7fa5d934f320e198fd16cdc5.tar.bz2 linux-stable-8217b8ee7b2143db7fa5d934f320e198fd16cdc5.zip | |
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 <sashal@kernel.org>
| -rw-r--r-- | drivers/rtc/rtc-da9063.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/rtc/rtc-da9063.c b/drivers/rtc/rtc-da9063.c index f85cae240f12..7e92e491c2e7 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, |