RTC .

I am using linux 2.6.30.4 Kernel.Usually hwclock reads time from onchip RTC.I am using both onchip RTC and external RTC ds1307.I want hwclock to read time from external RTC.Wat are the options I should enable during configure linux kernel.

Thanks and Regards
Raajesh.JT

this is a dupe of:
http://www.linuxquestions.org/questi.../rtc-.-766117/
so respond there to keep the conversation in one place.