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author | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2019-10-16 22:12:23 +0200 |
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committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2019-11-08 16:14:09 +0100 |
commit | bb451661db2462709674d156e8ca137fbfd3da6c (patch) | |
tree | d4d0d46376de833dd3cc094dac8d4d9af94d9d3e /drivers/rtc/rtc-fsl-ftm-alarm.c | |
parent | 9323e9631c8502a08a92b831db55ce9c7434d1bd (diff) | |
download | linux-bb451661db2462709674d156e8ca137fbfd3da6c.tar.gz linux-bb451661db2462709674d156e8ca137fbfd3da6c.tar.bz2 linux-bb451661db2462709674d156e8ca137fbfd3da6c.zip |
rtc: fsl-ftm-alarm: avoid struct rtc_time conversions
Directly call ktime_get_real_seconds instead of converting the result to a
struct rtc_time and then back to a time64_t.
Link: https://lore.kernel.org/r/20191016201223.30568-4-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/rtc/rtc-fsl-ftm-alarm.c')
-rw-r--r-- | drivers/rtc/rtc-fsl-ftm-alarm.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/rtc/rtc-fsl-ftm-alarm.c b/drivers/rtc/rtc-fsl-ftm-alarm.c index 039bd2f1a7ee..9e6e994cce99 100644 --- a/drivers/rtc/rtc-fsl-ftm-alarm.c +++ b/drivers/rtc/rtc-fsl-ftm-alarm.c @@ -203,17 +203,14 @@ static int ftm_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alm) */ static int ftm_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm) { - struct rtc_time tm; - time64_t now, alm_time; + time64_t alm_time; unsigned long long cycle; struct ftm_rtc *rtc = dev_get_drvdata(dev); - ftm_rtc_read_time(dev, &tm); - now = rtc_tm_to_time64(&tm); alm_time = rtc_tm_to_time64(&alm->time); ftm_clean_alarm(rtc); - cycle = (alm_time - now) * rtc->alarm_freq; + cycle = (alm_time - ktime_get_real_seconds()) * rtc->alarm_freq; if (cycle > MAX_COUNT_VAL) { pr_err("Out of alarm range {0~262} seconds.\n"); return -ERANGE; |