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authorAlexandre Belloni <alexandre.belloni@bootlin.com>2022-03-09 17:22:47 +0100
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2022-03-23 19:58:39 +0100
commitcf4521ed7ba5b5b0c72f74f180b6e9557f130522 (patch)
tree4fb82880265454724ac395bdaec28e97112d2593 /drivers
parente51cdef0819e171abdf4ceaea0385f21e29df46b (diff)
rtc: pcf8563: 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/20220309162301.61679-16-alexandre.belloni@bootlin.com
Diffstat (limited to 'drivers')
-rw-r--r--drivers/rtc/rtc-pcf8563.c14
1 files changed, 1 insertions, 13 deletions
diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c
index c8bddfb94129..530f06c810fa 100644
--- a/drivers/rtc/rtc-pcf8563.c
+++ b/drivers/rtc/rtc-pcf8563.c
@@ -330,19 +330,6 @@ static int pcf8563_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *tm)
unsigned char buf[4];
int 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);
- }
-
- dev_dbg(dev, "%s, min=%d hour=%d wday=%d mday=%d "
- "enabled=%d pending=%d\n", __func__,
- tm->time.tm_min, tm->time.tm_hour, tm->time.tm_wday,
- tm->time.tm_mday, tm->enabled, tm->pending);
-
buf[0] = bin2bcd(tm->time.tm_min);
buf[1] = bin2bcd(tm->time.tm_hour);
buf[2] = bin2bcd(tm->time.tm_mday);
@@ -566,6 +553,7 @@ static int pcf8563_probe(struct i2c_client *client,
pcf8563->rtc->ops = &pcf8563_rtc_ops;
/* the pcf8563 alarm only supports a minute accuracy */
pcf8563->rtc->uie_unsupported = 1;
+ set_bit(RTC_FEATURE_ALARM_RES_MINUTE, pcf8563->rtc->features);
pcf8563->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
pcf8563->rtc->range_max = RTC_TIMESTAMP_END_2099;
pcf8563->rtc->set_start_time = true;