diff options
| author |   Alexandre Belloni <alexandre.belloni@bootlin.com> | 2019-10-03 23:35:44 +0200 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2019-10-07 15:49:16 +0200 |
| commit | cf79e7c3c9e9ea820d8795329fb888ec4e3ae4d0 (patch) | |
| tree | a4d77be65adff9393c07d3711ab13c69cf8b67f0 /drivers/rtc/rtc-m41t80.c | |
| parent | rtc: use devm_platform_ioremap_resource() to simplify code (diff) | |
| download | linux-dev-cf79e7c3c9e9ea820d8795329fb888ec4e3ae4d0.tar.xz linux-dev-cf79e7c3c9e9ea820d8795329fb888ec4e3ae4d0.zip | |
rtc: m41t80: set range
This is a standard BCD RTC that will fail in 2100. The century bits don't
help because 2100 will be considered a leap year while it is not.
Link: https://lore.kernel.org/r/20191003213544.5359-1-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/rtc/rtc-m41t80.c')
| -rw-r--r-- | drivers/rtc/rtc-m41t80.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c index 5f46f85f814b..b813295a2eb5 100644 --- a/drivers/rtc/rtc-m41t80.c +++ b/drivers/rtc/rtc-m41t80.c @@ -235,9 +235,6 @@ static int m41t80_rtc_set_time(struct device *dev, struct rtc_time *tm) unsigned char buf[8]; int err, flags; - if (tm->tm_year < 100 || tm->tm_year > 199) - return -EINVAL; - buf[M41T80_REG_SSEC] = 0; buf[M41T80_REG_SEC] = bin2bcd(tm->tm_sec); buf[M41T80_REG_MIN] = bin2bcd(tm->tm_min); @@ -925,6 +922,8 @@ static int m41t80_probe(struct i2c_client *client, } m41t80_data->rtc->ops = &m41t80_rtc_ops; + m41t80_data->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000; + m41t80_data->rtc->range_max = RTC_TIMESTAMP_END_2099; if (client->irq <= 0) { /* We cannot support UIE mode if we do not have an IRQ line */ |