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rtc: rx8581: let the core handle rtc range 

Let the core handle offsetting and windowing the RTC range.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Alexandre Belloni 2018-05-17 22:33:27 +02:00
parent 86c54ef6e6
commit c6e3c297a1
1 changed files with 4 additions and 5 deletions
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9
drivers/rtc/rtc-rx8581.c
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@ -153,10 +153,7 @@ static int rx8581_get_datetime(struct i2c_client *client, struct rtc_time *tm)
tm->tm_wday = ilog2(date[RX8581_REG_DW] & 0x7F);
tm->tm_mday = bcd2bin(date[RX8581_REG_DM] & 0x3F);
tm->tm_mon = bcd2bin(date[RX8581_REG_MO] & 0x1F) - 1; /* rtc mn 1-12 */
tm->tm_year = bcd2bin(date[RX8581_REG_YR]);
if (tm->tm_year < 70)
tm->tm_year += 100; /* assume we are in 1970...2069 */
tm->tm_year = bcd2bin(date[RX8581_REG_YR]) + 100;
dev_dbg(&client->dev, "%s: tm is secs=%d, mins=%d, hours=%d, "
"mday=%d, mon=%d, year=%d, wday=%d\n",
@ -190,7 +187,7 @@ static int rx8581_set_datetime(struct i2c_client *client, struct rtc_time *tm)
buf[RX8581_REG_MO] = bin2bcd(tm->tm_mon + 1);
/* year and century */
buf[RX8581_REG_YR] = bin2bcd(tm->tm_year % 100);
buf[RX8581_REG_YR] = bin2bcd(tm->tm_year - 100);
buf[RX8581_REG_DW] = (0x1 << tm->tm_wday);
/* Stop the clock */
@ -293,6 +290,8 @@ static int rx8581_probe(struct i2c_client *client,
rx8581->rtc->ops = &rx8581_rtc_ops;
rx8581->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
rx8581->rtc->range_max = RTC_TIMESTAMP_END_2099;
rx8581->rtc->start_secs = 0;
rx8581->rtc->set_start_time = true;
return rtc_register_device(rx8581->rtc);
}