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Re: [ts-7000] 2.6 derevo18 patch -- success!

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Subject: Re: [ts-7000] 2.6 derevo18 patch -- success!
From: Andrew Gaylard <>
Date: Sat, 24 Jun 2006 22:55:23 +0200
Matthieu Crapet wrote:

>You seems to have two hardware clocks: ep93xx-rtc and rtc-m48t86.
>That's not illegal but one will be primary (ln -s /dev/rtc0 /dev/rtc)
>
>The TS5620 is far away better than the embedded ep93xx rtc because it 
>has a battery !
>  
>
I wish... but my board is already over hardware budget!

>My bootlog:
>
>rtc-m48t86 rtc-m48t86: rtc intf: dev (254:0)
>rtc-m48t86 rtc-m48t86: rtc core: registered m48t86 as rtc0
>rtc-m48t86 rtc-m48t86: battery ok
>
>Tell me if you can speak correctly to your RTC by trying this:
>
>  
>
OK, I tried this.  But hwclock fails.
Problem 1: no /dev/rtc.  So I make one, copying the major/minor
numbers from my gentoo/Alpha system: "mknod rtc c 10 135"
Problem 2: hwclock still fails. This is the relevant line from strace:
open("/dev/rtc", O_RDONLY|O_LARGEFILE)  = -1 ENOENT (No such file or
directory)

But there is,  I promise.  Perhaps I need different device numbers?
I've checked in Documentation/devices.txt, and these look OK.

So I have two RTCs, and can't use either of them...
Andrew.


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