On 04/20/2020 08:13 PM, Jiaxun Yang wrote: > Hi Bibi, > > Thanks for your review. > > Pretty sure. It is mc146818 specified, it can never work on LS7A/LS2K > which have another RTC implementation. > > I have performed boot test with this patch. > Kernel have safety fallback on platforms without this callback. Although it boots ok, the wall time will be 0 for every boot since it does not read from rtc regards bibo, mao