Hi Alexandre, On 9 November 2017 at 09:26, Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx> wrote: > Hi, > > On 08/11/2017 at 17:16:15 +0800, Baolin Wang wrote: >> +static int sprd_rtc_read_time(struct device *dev, struct rtc_time *tm) >> +{ >> + struct sprd_rtc *rtc = dev_get_drvdata(dev); >> + time64_t secs; >> + int ret; >> + > > I would have expected a check for SPRD_RTC_POWER_RESET_FLAG here. Actually I want to create one separate patch to add this feature. But like you suggested, I can add this checking in here in next version. Thanks for your suggestion. > > >> + ret = sprd_rtc_get_secs(rtc, SPRD_RTC_TIME, &secs); >> + if (ret) >> + return ret; >> + >> + rtc_time64_to_tm(secs, tm); >> + return rtc_valid_tm(tm); >> +} >> + >> +static int sprd_rtc_set_time(struct device *dev, struct rtc_time *tm) >> +{ >> + struct sprd_rtc *rtc = dev_get_drvdata(dev); >> + time64_t secs = rtc_tm_to_time64(tm); >> + > > And you need to reset SPRD_RTC_POWER_RESET_FLAG here > >> + return sprd_rtc_set_secs(rtc, SPRD_RTC_TIME, secs); >> +} >> + -- Baolin.wang Best Regards -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html