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Re: [ts-7000] setting system clock on 2.6.29

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Subject: Re: [ts-7000] setting system clock on 2.6.29
From: Petr Štetiar <>
Date: Tue, 16 Jun 2009 11:17:57 +0200
j.chitte <> [2009-06-14 05:36:20]:

> Hi,

Hi,

> I have a 7250 with the ts optional RTC . In the boot log I'm seeing this:
> 
> ep93xx-rtc ep93xx-rtc: rtc core: registered ep93xx as rtc0
> rtc-m48t86 rtc-m48t86: rtc core: registered m48t86 as rtc1
> rtc-m48t86 rtc-m48t86: battery ok
> Registered led device: green
> Registered led device: red
> ...
> rtc-m48t86 rtc-m48t86: setting system clock to 2009-06-14 05:17:03 UTC 
> (1244956623)
> 
> good, but then ...
> 
> mounting local filesystems (in fstab)
> setting system clock
> Thu Jan  1 00:00:57 UTC 1970
> 
> 
> Now I could remove the on-chip rtc since it is pretty redundant but what
> process is resetting to system clock to zero?

You can remove on-chip RTC in you kernel config. It's on-chip RTC resetting
system clock to "zero". Or you can set rtc1 as default rtc using 
RTC_HCTOSYS_DEVICE
kernel config option.

-- ynezz


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