diff options
| author | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2022-03-09 19:22:46 +0300 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2022-03-23 21:58:39 +0300 |
| commit | e51cdef0819e171abdf4ceaea0385f21e29df46b (patch) | |
| tree | fcca93ae8d68fe79ab70f47f82d1cc6c26ebc338 /drivers/rtc | |
| parent | c1325e730caf66b81e629d6587415571ae0c20dc (diff) | |
| download | linux-e51cdef0819e171abdf4ceaea0385f21e29df46b.tar.xz | |
rtc: pcf8523: let the core handle the alarm resolution
Set RTC_FEATURE_ALARM_RES_MINUTE, so the core knows alarms have a
resolution of a minute. Also, the core will properly round down the alarm
instead of up.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20220309162301.61679-15-alexandre.belloni@bootlin.com
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-pcf8523.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/rtc/rtc-pcf8523.c b/drivers/rtc/rtc-pcf8523.c index cd55fdfe1d39..b1b1943de844 100644 --- a/drivers/rtc/rtc-pcf8523.c +++ b/drivers/rtc/rtc-pcf8523.c @@ -212,14 +212,6 @@ static int pcf8523_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *tm) if (err < 0) return err; - /* The alarm has no seconds, round up to nearest minute */ - if (tm->time.tm_sec) { - time64_t alarm_time = rtc_tm_to_time64(&tm->time); - - alarm_time += 60 - tm->time.tm_sec; - rtc_time64_to_tm(alarm_time, &tm->time); - } - regs[0] = bin2bcd(tm->time.tm_min); regs[1] = bin2bcd(tm->time.tm_hour); regs[2] = bin2bcd(tm->time.tm_mday); @@ -450,6 +442,7 @@ static int pcf8523_probe(struct i2c_client *client, rtc->ops = &pcf8523_rtc_ops; rtc->range_min = RTC_TIMESTAMP_BEGIN_2000; rtc->range_max = RTC_TIMESTAMP_END_2099; + set_bit(RTC_FEATURE_ALARM_RES_MINUTE, rtc->features); clear_bit(RTC_FEATURE_UPDATE_INTERRUPT, rtc->features); if (client->irq > 0) { |