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Subject[PATCH 5/6] rtc: 88pm860x: stop mangling alarm time
Date
The RTC core always passes a valid alarm time there is no need to modify
it.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
drivers/rtc/rtc-88pm860x.c | 41 +-------------------------------------
1 file changed, 1 insertion(+), 40 deletions(-)

diff --git a/drivers/rtc/rtc-88pm860x.c b/drivers/rtc/rtc-88pm860x.c
index f5933a08454c..e0b18227514b 100644
--- a/drivers/rtc/rtc-88pm860x.c
+++ b/drivers/rtc/rtc-88pm860x.c
@@ -75,33 +75,6 @@ static int pm860x_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
return 0;
}

-/*
- * Calculate the next alarm time given the requested alarm time mask
- * and the current time.
- */
-static void rtc_next_alarm_time(struct rtc_time *next, struct rtc_time *now,
- struct rtc_time *alrm)
-{
- unsigned long next_time;
- unsigned long now_time;
-
- next->tm_year = now->tm_year;
- next->tm_mon = now->tm_mon;
- next->tm_mday = now->tm_mday;
- next->tm_hour = alrm->tm_hour;
- next->tm_min = alrm->tm_min;
- next->tm_sec = alrm->tm_sec;
-
- rtc_tm_to_time(now, &now_time);
- rtc_tm_to_time(next, &next_time);
-
- if (next_time < now_time) {
- /* Advance one day */
- next_time += 60 * 60 * 24;
- rtc_time_to_tm(next_time, next);
- }
-}
-
static int pm860x_rtc_read_time(struct device *dev, struct rtc_time *tm)
{
struct pm860x_rtc_info *info = dev_get_drvdata(dev);
@@ -187,7 +160,6 @@ static int pm860x_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
static int pm860x_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{
struct pm860x_rtc_info *info = dev_get_drvdata(dev);
- struct rtc_time now_tm, alarm_tm;
unsigned long ticks, base, data;
unsigned char buf[8];
int mask;
@@ -200,18 +172,7 @@ static int pm860x_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
base = ((unsigned long)buf[1] << 24) | (buf[3] << 16) |
(buf[5] << 8) | buf[7];

- /* load 32-bit read-only counter */
- pm860x_bulk_read(info->i2c, PM8607_RTC_COUNTER1, 4, buf);
- data = ((unsigned long)buf[3] << 24) | (buf[2] << 16) |
- (buf[1] << 8) | buf[0];
- ticks = base + data;
- dev_dbg(info->dev, "get base:0x%lx, RO count:0x%lx, ticks:0x%lx\n",
- base, data, ticks);
-
- rtc_time_to_tm(ticks, &now_tm);
- rtc_next_alarm_time(&alarm_tm, &now_tm, &alrm->time);
- /* get new ticks for alarm in 24 hours */
- rtc_tm_to_time(&alarm_tm, &ticks);
+ rtc_tm_to_time(&alrm->time, &ticks);
data = ticks - base;

buf[0] = data & 0xff;
--
2.24.1
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