Messages in this thread Patch in this message | | | From | Adam Ward <> | Date | Wed, 4 Mar 2015 16:13:13 +0000 | Subject | [PATCH v1 2/3] rtc: da9052: Add constraints to set valid year |
| |
Signed-off-by: Adam Ward <adam.ward.opensource@diasemi.com> Tested-by: Adam Ward <adam.ward.opensource@diasemi.com> --- drivers/rtc/rtc-da9052.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/rtc/rtc-da9052.c b/drivers/rtc/rtc-da9052.c index ead02fa..acc3e5a 100644 --- a/drivers/rtc/rtc-da9052.c +++ b/drivers/rtc/rtc-da9052.c @@ -206,6 +206,10 @@ static int da9052_rtc_set_time(struct device *dev, struct rtc_time *tm) uint8_t v[6]; int ret;
+ /* DA9052 only has 6 bits for year - to represent 2000-2063 */ + if ((tm->tm_year < 100) || (tm->tm_year > 163)) + return -EINVAL; + rtc = dev_get_drvdata(dev);
v[0] = tm->tm_sec; @@ -243,6 +247,10 @@ static int da9052_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) struct rtc_time *tm = &alrm->time; struct da9052_rtc *rtc = dev_get_drvdata(dev);
+ /* DA9052 only has 6 bits for year - to represent 2000-2063 */ + if ((tm->tm_year < 100) || (tm->tm_year > 163)) + return -EINVAL; + ret = da9052_rtc_enable_alarm(rtc, 0); if (ret < 0) return ret; -- end-of-patch for rtc: da9052: Corrections to access, validation and capability
| |