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Commit c402f8ea authored by Alexandre Belloni's avatar Alexandre Belloni
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rtc: ab-b5ze-s3: let the core handle the RTC range 



The ab-b5ze-s3 RTC is storing the year in an 8bit bcd coded register so it
can handle dates from year 2000 to year 2099.

Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
parent 8bde032b

drivers/rtc/rtc-ab-b5ze-s3.c

+2 −9
Original line number Diff line number Diff line
@@ -265,15 +265,6 @@ static int abb5zes3_rtc_set_time(struct device *dev, struct rtc_time *tm) 
	u8 regs[ABB5ZES3_REG_RTC_SC + ABB5ZES3_RTC_SEC_LEN];

	int ret;



	/*

	 * Year register is 8-bit wide and bcd-coded, i.e records values

	 * between 0 and 99. tm_year is an offset from 1900 and we are

	 * interested in the 2000-2099 range, so any value less than 100

	 * is invalid.

	 */

	if (tm->tm_year < 100)

		return -EINVAL;



	regs[ABB5ZES3_REG_RTC_SC] = bin2bcd(tm->tm_sec); /* MSB=0 clears OSC */

	regs[ABB5ZES3_REG_RTC_MN] = bin2bcd(tm->tm_min);

	regs[ABB5ZES3_REG_RTC_HR] = bin2bcd(tm->tm_hour); /* 24-hour format */
@@ -951,6 +942,8 @@ static int abb5zes3_probe(struct i2c_client *client, 
	}



	data->rtc->ops = &rtc_ops;

	data->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;

	data->rtc->range_max = RTC_TIMESTAMP_END_2099;



	/* Enable battery low detection interrupt if battery not already low */

	if (!data->battery_low && data->irq) {